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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.4 by pcg, Tue Nov 25 15:25:17 2003 UTC vs.
Revision 1.415 by root, Mon May 28 14:25:16 2012 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.c 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * $Id: screen.C,v 1.4 2003/11/25 15:25:17 pcg Exp $
5 * 4 *
6 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> 5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
… …
17 * 17 *
18 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software 19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *--------------------------------------------------------------------------*/ 21 *--------------------------------------------------------------------------*/
22
22/* 23/*
23 * We handle _all_ screen updates and selections 24 * This file handles _all_ screen updates and selections
24 */ 25 */
25 26
26#include "../config.h" /* NECESSARY */ 27#include "../config.h" /* NECESSARY */
27#define INTERN_SCREEN
28#include "rxvt.h" /* NECESSARY */ 28#include "rxvt.h" /* NECESSARY */
29#include "screen.intpro" /* PROTOS for internal routines */ 29#include "rxvtperl.h" /* NECESSARY */
30 30
31#include <X11/Xmd.h> /* get the typedef for CARD32 */
32
33#include <stdint.h> 31#include <inttypes.h>
34#include <wchar.h>
35 32
33#include "salloc.C" // HACK, should be a separate compile!
34
35static inline void
36inline void fill_text (text_t *start, text_t value, int len) 36fill_text (text_t *start, text_t value, int len)
37{ 37{
38 while (len--) 38 while (len--)
39 *start++ = value; 39 *start++ = value;
40} 40}
41 41
42#define RESET_CHSTAT(H) \
43 if ((H)->chstat == WBYTE) \
44 (H)->chstat = SBYTE, (H)->lost_multi = 1
45
46/* ------------------------------------------------------------------------- */ 42/* ------------------------------------------------------------------------- */
47#define PROP_SIZE 16384
48#define TABSIZE 8 /* default tab size */ 43#define TABSIZE 8 /* default tab size */
49 44
50/* ------------------------------------------------------------------------- * 45/* ------------------------------------------------------------------------- *
51 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 46 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
52 * ------------------------------------------------------------------------- */ 47 * ------------------------------------------------------------------------- */
53#define ZERO_SCROLLBACK(R) \ 48#define ZERO_SCROLLBACK() \
54 if (((R)->Options & Opt_scrollTtyOutput) == Opt_scrollTtyOutput) \ 49 if (option (Opt_scrollTtyOutput)) \
55 (R)->TermWin.view_start = 0 50 view_start = 0
56#define CLEAR_SELECTION(R) \ 51#define CLEAR_SELECTION() \
57 (R)->selection.beg.row = (R)->selection.beg.col \ 52 selection.beg.row = selection.beg.col \
58 = (R)->selection.end.row = (R)->selection.end.col = 0 53 = selection.end.row = selection.end.col = 0
59#define CLEAR_ALL_SELECTION(R) \ 54#define CLEAR_ALL_SELECTION() \
60 (R)->selection.beg.row = (R)->selection.beg.col \ 55 selection.beg.row = selection.beg.col \
61 = (R)->selection.mark.row = (R)->selection.mark.col \ 56 = selection.mark.row = selection.mark.col \
62 = (R)->selection.end.row = (R)->selection.end.col = 0 57 = selection.end.row = selection.end.col = 0
63 58
64#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ 59#define ROW_AND_COL_IS_AFTER(A, B, C, D) \
65 (((A) > (C)) || (((A) == (C)) && ((B) > (D)))) 60 (((A) > (C)) || (((A) == (C)) && ((B) > (D))))
66#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ 61#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
67 (((A) < (C)) || (((A) == (C)) && ((B) < (D)))) 62 (((A) < (C)) || (((A) == (C)) && ((B) < (D))))
68#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ 63#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \
69 (((A) == (C)) && ((B) > (D))) 64 (((A) == (C)) && ((B) > (D)))
70#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \ 65#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \
71 (((A) == (C)) && ((B) >= (D))) 66 (((A) == (C)) && ((B) >= (D)))
72#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ 67#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \
73 (((A) == (C)) && ((B) < (D))) 68 (((A) == (C)) && ((B) < (D)))
74#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \ 69#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \
75 (((A) == (C)) && ((B) <= (D))) 70 (((A) == (C)) && ((B) <= (D)))
76 71
77/* these must be row_col_t */ 72/* these must be row_col_t */
78#define ROWCOL_IS_AFTER(X, Y) \ 73#define ROWCOL_IS_AFTER(X, Y) \
79 ROW_AND_COL_IS_AFTER((X).row, (X).col, (Y).row, (Y).col) 74 ROW_AND_COL_IS_AFTER ((X).row, (X).col, (Y).row, (Y).col)
80#define ROWCOL_IS_BEFORE(X, Y) \ 75#define ROWCOL_IS_BEFORE(X, Y) \
81 ROW_AND_COL_IS_BEFORE((X).row, (X).col, (Y).row, (Y).col) 76 ROW_AND_COL_IS_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
82#define ROWCOL_IN_ROW_AFTER(X, Y) \ 77#define ROWCOL_IN_ROW_AFTER(X, Y) \
83 ROW_AND_COL_IN_ROW_AFTER((X).row, (X).col, (Y).row, (Y).col) 78 ROW_AND_COL_IN_ROW_AFTER ((X).row, (X).col, (Y).row, (Y).col)
84#define ROWCOL_IN_ROW_BEFORE(X, Y) \ 79#define ROWCOL_IN_ROW_BEFORE(X, Y) \
85 ROW_AND_COL_IN_ROW_BEFORE((X).row, (X).col, (Y).row, (Y).col) 80 ROW_AND_COL_IN_ROW_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
86#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 81#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
87 ROW_AND_COL_IN_ROW_AT_OR_AFTER((X).row, (X).col, (Y).row, (Y).col) 82 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
88#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ 83#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
89 ROW_AND_COL_IN_ROW_AT_OR_BEFORE((X).row, (X).col, (Y).row, (Y).col) 84 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
90 85
91/* 86/*
92 * CLEAR_ROWS : clear <num> rows starting from row <row>
93 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 87 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
94 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
95 */ 88 */
96#define drawBuffer (R->TermWin.vt)
97
98#define CLEAR_ROWS(row, num) \
99 if (R->TermWin.mapped) \
100 XClearArea(R->Xdisplay, drawBuffer, R->TermWin.int_bwidth, \
101 Row2Pixel(row), (unsigned int)R->TermWin.width, \
102 (unsigned int)Height2Pixel(num), False)
103
104#define CLEAR_CHARS(x, y, num) \ 89#define CLEAR_CHARS(x, y, num) \
105 if (R->TermWin.mapped) \ 90 if (mapped) \
106 XClearArea(R->Xdisplay, drawBuffer, x, y, \ 91 XClearArea (dpy, vt, x, y, \
107 (unsigned int)Width2Pixel(num), \ 92 (unsigned int)Width2Pixel (num), \
108 (unsigned int)Height2Pixel(1), False) 93 (unsigned int)Height2Pixel (1), False)
109
110#define ERASE_ROWS(row, num) \
111 XFillRectangle(R->Xdisplay, drawBuffer, R->TermWin.gc, \
112 R->TermWin.int_bwidth, Row2Pixel(row), \
113 (unsigned int)R->TermWin.width, \
114 (unsigned int)Height2Pixel(num))
115 94
116/* ------------------------------------------------------------------------- * 95/* ------------------------------------------------------------------------- *
117 * SCREEN `COMMON' ROUTINES * 96 * SCREEN `COMMON' ROUTINES *
118 * ------------------------------------------------------------------------- */ 97 * ------------------------------------------------------------------------- */
98
119/* Fill part/all of a line with blanks. */ 99/* Fill part/all of a line with blanks. */
120/* INTPROTO */
121void 100void
122rxvt_blank_line(pR_ text_t *et, rend_t *er, unsigned int width, rend_t efs) 101rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW
123{ 102{
124 efs &= ~RS_baseattrMask; 103 if (!l.valid ())
104 {
105 l.alloc ();
106 col = 0;
107 width = ncol;
108 }
109
110 l.touch ();
111
112 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
125 efs = SET_FONT (efs, R->TermWin.fontset->find_font (' ')); 113 efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
126 114
115 text_t *et = l.t + col;
116 rend_t *er = l.r + col;
117
127 while (width--) 118 while (width--)
128 { 119 {
129 *et++ = ' '; 120 *et++ = ' ';
130 *er++ = efs; 121 *er++ = efs;
131 } 122 }
132} 123}
133 124
134/* ------------------------------------------------------------------------- */ 125/* ------------------------------------------------------------------------- */
135/* Fill a full line with blanks - make sure it is allocated first */ 126/* Fill a full line with blanks - make sure it is allocated first */
136/* INTPROTO */
137void 127void
138rxvt_blank_screen_mem(pR_ text_t **tp, rend_t **rp, unsigned int row, rend_t efs) 128rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW
139{ 129{
140 int width = R->TermWin.ncol; 130 scr_blank_line (l, 0, ncol, efs);
141 rend_t *er;
142 131
143#ifdef DEBUG_STRICT 132 l.l = 0;
144 assert((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL)); 133 l.f = 0;
145#endif 134}
146 if (tp[row] == NULL) { 135
147 tp[row] = (text_t *)rxvt_malloc(sizeof(text_t) * width); 136// nuke a single wide character at the given column
148 rp[row] = (rend_t *)rxvt_malloc(sizeof(rend_t) * width); 137void
149 } 138rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW
150 rxvt_blank_line (aR_ tp[row], rp[row], width, efs); 139{
140 // find begin
141 while (col > 0 && l.t[col] == NOCHAR)
142 col--;
143
144 rend_t rend = l.r[col] & ~RS_baseattrMask;
145 rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));
146
147 l.touch ();
148
149 // found start, nuke
150 do {
151 l.t[col] = ' ';
152 l.r[col] = rend;
153 col++;
154 } while (col < ncol && l.t[col] == NOCHAR);
151} 155}
152 156
153/* ------------------------------------------------------------------------- * 157/* ------------------------------------------------------------------------- *
154 * SCREEN INITIALISATION * 158 * SCREEN INITIALISATION *
155 * ------------------------------------------------------------------------- */ 159 * ------------------------------------------------------------------------- */
156/* EXTPROTO */ 160
157void 161void
162rxvt_term::scr_alloc ()
163{
164 int tsize = sizeof (text_t) * ncol;
165 int rsize = sizeof (rend_t) * ncol;
166
167 // we assume that rend_t size is a sufficient alignment
168 // factor for tetx_t and line_t values, and we only
169 // need to adjust tsize.
170 tsize = (tsize + sizeof (rend_t) - 1);
171 tsize -= tsize % sizeof (rend_t);
172
173 int all_rows = total_rows + nrow + nrow;
174
175 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
176 chunk = rxvt_malloc (chunk_size);
177
178 char *base = (char *)chunk + sizeof (line_t) * all_rows;
179
180 for (int row = 0; row < all_rows; ++row)
181 {
182 line_t &l = ((line_t *)chunk) [row];
183
184 l.t = (text_t *)base; base += tsize;
185 l.r = (rend_t *)base; base += rsize;
186 l.l = -1;
187 l.f = 0;
188 }
189
190 drawn_buf = (line_t *)chunk;
191 swap_buf = drawn_buf + nrow;
192 row_buf = swap_buf + nrow;
193}
194
195void
158rxvt_scr_reset(pR) 196rxvt_term::scr_reset ()
159{ 197{
160 unsigned int ncol, nrow, prev_ncol, prev_nrow, 198#if ENABLE_OVERLAY
161 total_rows, prev_total_rows; 199 scr_overlay_off ();
162 unsigned int p, q; 200#endif
163 int k;
164 rend_t setrstyle;
165 201
166 D_SCREEN((stderr, "rxvt_scr_reset()")); 202 view_start = 0;
167
168 R->TermWin.view_start = 0;
169 RESET_CHSTAT(R);
170 R->num_scr = 0; 203 num_scr = 0;
171 204
172 prev_ncol = R->prev_ncol; 205 if (ncol == 0)
173 prev_nrow = R->prev_nrow; 206 ncol = 80;
174 if (R->TermWin.ncol == 0) 207
175 R->TermWin.ncol = 80; 208 if (nrow == 0)
176 if (R->TermWin.nrow == 0) 209 nrow = 24;
177 R->TermWin.nrow = 24; 210
178 ncol = R->TermWin.ncol;
179 nrow = R->TermWin.nrow;
180 if (ncol == prev_ncol && nrow == prev_nrow) 211 if (ncol == prev_ncol && nrow == prev_nrow)
181 return; 212 return;
182 213
214 // we need at least two lines for wrapping to work correctly
215 while (nrow + saveLines < 2)
216 {
217 //TODO//FIXME
218 saveLines++;
219 prev_nrow--;
220 top_row--;
221 }
222
183 R->want_refresh = 1; 223 want_refresh = 1;
184 224
185 total_rows = nrow + R->TermWin.saveLines;
186 prev_total_rows = prev_nrow + R->TermWin.saveLines; 225 int prev_total_rows = prev_nrow + saveLines;
226 total_rows = nrow + saveLines;
187 227
188 R->screen.tscroll = 0; 228 screen.tscroll = 0;
189 R->screen.bscroll = nrow - 1; 229 screen.bscroll = nrow - 1;
190 230
191 if (prev_nrow == 0) { 231 void *prev_chunk = chunk;
192/* 232 line_t *prev_drawn_buf = drawn_buf;
233 line_t *prev_swap_buf = swap_buf;
234 line_t *prev_row_buf = row_buf;
235
236 int common_col = min (prev_ncol, ncol);
237
238 scr_alloc ();
239
240 if (!prev_row_buf)
241 {
242 /*
193 * A: first time called so just malloc everything : don't rely on realloc 243 * first time called so just malloc everything: don't rely on realloc
194 * Note: this is still needed so that all the scrollback lines are NULL
195 */
196 R->screen.text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
197 R->buf_text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
198 R->drawn_text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
199 R->swap.text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
200
201 R->screen.tlen = (int16_t *)rxvt_calloc(total_rows, sizeof(int16_t));
202 R->swap.tlen = (int16_t *)rxvt_calloc(nrow, sizeof(int16_t));
203
204 R->screen.rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
205 R->buf_rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
206 R->drawn_rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
207 R->swap.rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
208
209 for (p = 0; p < nrow; p++) {
210 q = p + R->TermWin.saveLines;
211 rxvt_blank_screen_mem(aR_ R->screen.text, R->screen.rend,
212 q, DEFAULT_RSTYLE);
213 rxvt_blank_screen_mem(aR_ R->swap.text, R->swap.rend,
214 p, DEFAULT_RSTYLE);
215 R->screen.tlen[q] = R->swap.tlen[p] = 0;
216 rxvt_blank_screen_mem(aR_ R->drawn_text, R->drawn_rend,
217 p, DEFAULT_RSTYLE);
218 } 244 */
245 top_row = 0;
246 term_start = 0;
247
219 MEMSET(R->charsets, 'B', sizeof(R->charsets)); 248 memset (charsets, 'B', sizeof (charsets));
220 R->TermWin.nscrolled = 0; /* no saved lines */
221 R->rstyle = DEFAULT_RSTYLE; 249 rstyle = DEFAULT_RSTYLE;
222 R->screen.flags = Screen_DefaultFlags; 250 screen.flags = Screen_DefaultFlags;
223 R->screen.cur.row = R->screen.cur.col = 0; 251 screen.cur.row = screen.cur.col = 0;
224 R->screen.charset = 0; 252 screen.charset = 0;
225 R->current_screen = PRIMARY; 253 current_screen = PRIMARY;
226 rxvt_scr_cursor(aR_ SAVE); 254 scr_cursor (SAVE);
255
227#if NSCREENS 256#if NSCREENS
228 R->swap.flags = Screen_DefaultFlags; 257 swap.flags = Screen_DefaultFlags;
229 R->swap.cur.row = R->swap.cur.col = 0; 258 swap.cur.row = swap.cur.col = 0;
230 R->swap.charset = 0; 259 swap.charset = 0;
231 R->current_screen = SECONDARY; 260 current_screen = SECONDARY;
232 rxvt_scr_cursor(aR_ SAVE); 261 scr_cursor (SAVE);
233 R->current_screen = PRIMARY; 262 current_screen = PRIMARY;
234#endif 263#endif
264
235 R->selection.text = NULL; 265 selection.text = NULL;
236 R->selection.len = 0; 266 selection.len = 0;
237 R->selection.op = SELECTION_CLEAR; 267 selection.op = SELECTION_CLEAR;
238 R->selection.screen = PRIMARY; 268 selection.screen = PRIMARY;
239 R->selection.clicks = 0; 269 selection.clicks = 0;
240 CLEAR_ALL_SELECTION(R); 270 selection.clip_text = NULL;
241 R->rvideo = 0; 271 selection.clip_len = 0;
242 272 }
243 } else { 273 else
244/* 274 {
275 /*
245 * B1: add or delete rows as appropriate 276 * add or delete rows as appropriate
246 */ 277 */
247 setrstyle = DEFAULT_RSTYLE;
248 278
249 if (nrow < prev_nrow) { 279 for (int row = min (nrow, prev_nrow); row--; )
250 /* delete rows */ 280 {
251 k = min(R->TermWin.nscrolled, prev_nrow - nrow); 281 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
252 rxvt_scroll_text(aR_ 0, (int)prev_nrow - 1, k, 1); 282 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
253 for (p = nrow; p < prev_nrow; p++) { 283
254 q = p + R->TermWin.saveLines; 284 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
255 if (R->screen.text[q]) { 285 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
256#ifdef DEBUG_STRICT 286 memcpy (swap_buf [row].t, prev_swap_buf [row].t, sizeof (text_t) * common_col);
257 assert(R->screen.rend[q]); 287 memcpy (swap_buf [row].r, prev_swap_buf [row].r, sizeof (rend_t) * common_col);
258#endif 288 }
259 free(R->screen.text[q]); 289
260 free(R->screen.rend[q]); 290 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
291 int pend = MOD (term_start + top_row , prev_total_rows);
292 int q = total_rows; // rewrapped row
293
294 if (top_row)
295 {
296 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
297 // to come up with a lean and mean algorithm.
298 // TODO: maybe optimise when width didn't change
299
300 row_col_t ocur = screen.cur;
301 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
302
303 do
304 {
305 p = MOD (p - 1, prev_total_rows);
306 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
307 int plines = 1;
308 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
309
310 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
311 {
312 p = MOD (p - 1, prev_total_rows);
313
314 plines++;
315 llen += prev_ncol;
261 } 316 }
262 if (R->swap.text[p]) { 317
263#ifdef DEBUG_STRICT 318 int qlines = max (0, (llen - 1) / ncol) + 1;
264 assert(R->swap.rend[p]); 319
265#endif 320 // drop partial lines completely
266 free(R->swap.text[p]); 321 if (q < qlines)
267 free(R->swap.rend[p]); 322 break;
323
324 q -= qlines;
325
326 int lofs = 0;
327 line_t *qline;
328
329 // re-assemble the full line by destination lines
330 for (int qrow = q; qlines--; qrow++)
331 {
332 qline = row_buf + qrow;
333 qline->alloc (); // redundant with next line
334 qline->l = ncol;
335 qline->is_longer (1);
336
337 int qcol = 0;
338
339 // see below for cursor adjustment rationale
340 if (p == ocur.row)
341 screen.cur.row = q - (total_rows - nrow);
342
343 // fill a single destination line
344 while (lofs < llen && qcol < ncol)
345 {
346 int prow = lofs / prev_ncol;
347 int pcol = lofs % prev_ncol;
348
349 prow = MOD (p + prow, prev_total_rows);
350
351 // we only adjust the cursor _row_ and put it into
352 // the topmost line of "long line" it was in, as
353 // this seems to upset applications/shells/readline
354 // least.
355 if (prow == ocur.row)
356 screen.cur.row = q - (total_rows - nrow);
357
358 line_t &pline = prev_row_buf [prow];
359
360 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
361
362 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
363 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
364
365 lofs += len;
366 qcol += len;
367 }
268 } 368 }
269#ifdef DEBUG_STRICT 369
270 assert(R->drawn_text[p] && R->drawn_rend[p]); 370 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
271#endif 371 qline->is_longer (0);
272 free(R->drawn_text[p]); 372 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
273 free(R->drawn_rend[p]);
274 } 373 }
275 /* we have fewer rows so fix up cursor position */ 374 while (p != pend && q > 0);
276 MIN_IT(R->screen.cur.row, (int32_t)nrow - 1);
277 MIN_IT(R->swap.cur.row, (int32_t)nrow - 1);
278 375
279 rxvt_scr_reset_realloc(aR); /* realloc _last_ */ 376 term_start = total_rows - nrow;
377 top_row = q - term_start;
280 378
281 } else if (nrow > prev_nrow) { 379 // make sure all terminal lines exist
282 /* add rows */ 380 while (top_row > 0)
283 rxvt_scr_reset_realloc(aR); /* realloc _first_ */ 381 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
382 }
383 else
384 {
385 // if no scrollback exists (yet), wing, instead of wrap
284 386
285 k = min(R->TermWin.nscrolled, nrow - prev_nrow); 387 for (int row = min (nrow, prev_nrow); row--; )
286 for (p = prev_total_rows; p < total_rows; p++) { 388 {
287 R->screen.tlen[p] = 0; 389 line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
288 R->screen.text[p] = NULL; 390 line_t &dst = row_buf [row];
289 R->screen.rend[p] = NULL; 391
392 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
393
394 memcpy (dst.t, src.t, sizeof (text_t) * common_col);
395 memcpy (dst.r, src.r, sizeof (rend_t) * common_col);
290 } 396 }
291 for (p = prev_total_rows; p < total_rows - k; p++) 397
292 rxvt_blank_screen_mem(aR_ R->screen.text, R->screen.rend,
293 p, setrstyle);
294 for (p = prev_nrow; p < nrow; p++) { 398 for (int row = prev_nrow; row < nrow; row++)
295 R->swap.tlen[p] = 0; 399 scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
296 R->swap.text[p] = NULL; 400
297 R->swap.rend[p] = NULL; 401 term_start = 0;
298 R->drawn_text[p] = NULL;
299 R->drawn_rend[p] = NULL;
300 rxvt_blank_screen_mem(aR_ R->swap.text, R->swap.rend,
301 p, setrstyle);
302 rxvt_blank_screen_mem(aR_ R->drawn_text, R->drawn_rend,
303 p, setrstyle);
304 } 402 }
305 if (k > 0) { 403
306 rxvt_scroll_text(aR_ 0, (int)nrow - 1, -k, 1); 404 clamp_it (screen.cur.row, 0, nrow - 1);
307 R->screen.cur.row += k; 405 clamp_it (screen.cur.col, 0, ncol - 1);
308 R->screen.s_cur.row += k; 406 }
309 R->TermWin.nscrolled -= k; 407
310 } 408 for (int row = nrow; row--; )
311#ifdef DEBUG_STRICT
312 assert(R->screen.cur.row < R->TermWin.nrow);
313 assert(R->swap.cur.row < R->TermWin.nrow);
314#else /* drive with your eyes closed */
315 MIN_IT(R->screen.cur.row, nrow - 1);
316 MIN_IT(R->swap.cur.row, nrow - 1);
317#endif
318 }
319/* B2: resize columns */
320 if (ncol != prev_ncol) {
321 for (p = 0; p < total_rows; p++) {
322 if (R->screen.text[p]) {
323 R->screen.text[p] = (text_t *)rxvt_realloc(R->screen.text[p], ncol * sizeof(text_t));
324 R->screen.rend[p] = (rend_t *)rxvt_realloc(R->screen.rend[p], ncol * sizeof(rend_t));
325 MIN_IT(R->screen.tlen[p], (int16_t)ncol);
326 if (ncol > prev_ncol)
327 rxvt_blank_line(aR_
328 &(R->screen.text[p][prev_ncol]),
329 &(R->screen.rend[p][prev_ncol]),
330 ncol - prev_ncol,
331 setrstyle);
332 }
333 }
334 for (p = 0; p < nrow; p++) {
335 R->drawn_text[p] = (text_t *)rxvt_realloc(R->drawn_text[p], ncol * sizeof(text_t));
336 R->drawn_rend[p] = (rend_t *)rxvt_realloc(R->drawn_rend[p], ncol * sizeof(rend_t));
337 if (R->swap.text[p]) {
338 R->swap.text[p] = (text_t *)rxvt_realloc(R->swap.text[p], ncol * sizeof(text_t));
339 R->swap.rend[p] = (rend_t *)rxvt_realloc(R->swap.rend[p], ncol * sizeof(rend_t));
340 MIN_IT(R->swap.tlen[p], (int16_t)ncol);
341 if (ncol > prev_ncol)
342 rxvt_blank_line(aR_
343 &(R->swap.text[p][prev_ncol]),
344 &(R->swap.rend[p][prev_ncol]),
345 ncol - prev_ncol, setrstyle);
346 }
347 if (ncol > prev_ncol)
348 rxvt_blank_line(aR_
349 &(R->drawn_text[p][prev_ncol]),
350 &(R->drawn_rend[p][prev_ncol]),
351 ncol - prev_ncol, setrstyle);
352 }
353 MIN_IT(R->screen.cur.col, (int16_t)ncol - 1);
354 MIN_IT(R->swap.cur.col, (int16_t)ncol - 1);
355 }
356 if (R->tabs)
357 free(R->tabs);
358 } 409 {
410 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
411 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
412 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
413 }
359 414
415 free (prev_chunk);
416
417 free (tabs);
360 R->tabs = (char *)rxvt_malloc(ncol * sizeof(char)); 418 tabs = (char *)rxvt_malloc (ncol);
361 419
362 for (p = 0; p < ncol; p++) 420 for (int col = ncol; col--; )
363 R->tabs[p] = (p % TABSIZE == 0) ? 1 : 0; 421 tabs [col] = col % TABSIZE == 0;
364 422
423 CLEAR_ALL_SELECTION ();
424
365 R->prev_nrow = nrow; 425 prev_nrow = nrow;
366 R->prev_ncol = ncol; 426 prev_ncol = ncol;
367 427
368 rxvt_tt_winsize(R->cmd_fd, R->TermWin.ncol, R->TermWin.nrow, R->cmd_pid); 428 tt_winch ();
369}
370 429
371/* INTPROTO */ 430 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
372void
373rxvt_scr_reset_realloc(pR)
374{
375 uint16_t total_rows, nrow;
376
377 nrow = R->TermWin.nrow;
378 total_rows = nrow + R->TermWin.saveLines;
379/* *INDENT-OFF* */
380 R->screen.text = (text_t **)rxvt_realloc(R->screen.text, total_rows * sizeof(text_t *));
381 R->buf_text = (text_t **)rxvt_realloc(R->buf_text , total_rows * sizeof(text_t *));
382 R->drawn_text = (text_t **)rxvt_realloc(R->drawn_text , nrow * sizeof(text_t *));
383 R->swap.text = (text_t **)rxvt_realloc(R->swap.text , nrow * sizeof(text_t *));
384
385 R->screen.tlen = (int16_t *)rxvt_realloc(R->screen.tlen, total_rows * sizeof(int16_t));
386 R->swap.tlen = (int16_t *)rxvt_realloc(R->swap.tlen , total_rows * sizeof(int16_t));
387
388 R->screen.rend = (rend_t **)rxvt_realloc(R->screen.rend, total_rows * sizeof(rend_t *));
389 R->buf_rend = (rend_t **)rxvt_realloc(R->buf_rend , total_rows * sizeof(rend_t *));
390 R->drawn_rend = (rend_t **)rxvt_realloc(R->drawn_rend , nrow * sizeof(rend_t *));
391 R->swap.rend = (rend_t **)rxvt_realloc(R->swap.rend , nrow * sizeof(rend_t *));
392/* *INDENT-ON* */
393} 431}
394 432
395/* ------------------------------------------------------------------------- */ 433/* ------------------------------------------------------------------------- */
396/* 434/*
397 * Free everything. That way malloc debugging can find leakage. 435 * Free everything. That way malloc debugging can find leakage.
398 */ 436 */
399/* EXTPROTO */
400void 437void
401rxvt_scr_release(pR) 438rxvt_term::scr_release () NOTHROW
402{ 439{
403 uint16_t total_rows; 440 free (chunk);
404 int i;
405
406 total_rows = R->TermWin.nrow + R->TermWin.saveLines;
407 for (i = 0; i < total_rows; i++) {
408 if (R->screen.text[i]) { /* then so is R->screen.rend[i] */
409 free(R->screen.text[i]);
410#ifdef DEBUG_STRICT
411 assert(R->screen.rend[i]);
412#endif
413 free(R->screen.rend[i]);
414 }
415 }
416 for (i = 0; i < R->TermWin.nrow; i++) {
417 free(R->drawn_text[i]);
418 free(R->drawn_rend[i]);
419 free(R->swap.text[i]);
420 free(R->swap.rend[i]);
421 }
422 free(R->screen.text);
423 free(R->screen.tlen);
424 free(R->screen.rend);
425 free(R->drawn_text);
426 free(R->drawn_rend);
427 free(R->swap.text);
428 free(R->swap.tlen);
429 free(R->swap.rend);
430 free(R->buf_text);
431 free(R->buf_rend);
432 free(R->tabs); 441 free (tabs);
433
434/* NULL these so if anything tries to use them, we'll know about it */
435 R->screen.text = R->drawn_text = R->swap.text = NULL;
436 R->screen.rend = R->drawn_rend = R->swap.rend = NULL;
437 R->screen.tlen = R->swap.tlen = NULL;
438 R->buf_text = NULL;
439 R->buf_rend = NULL;
440 R->tabs = NULL;
441} 442}
442 443
443/* ------------------------------------------------------------------------- */ 444/* ------------------------------------------------------------------------- */
444/* 445/*
445 * Hard reset 446 * Hard/Soft reset
446 */ 447 */
447/* EXTPROTO */
448void 448void
449rxvt_scr_poweron(pR) 449rxvt_term::scr_poweron ()
450{ 450{
451 D_SCREEN((stderr, "rxvt_scr_poweron()"));
452
453 rxvt_scr_release(aR); 451 scr_release ();
452
453 row_buf = 0;
454 tabs = 0;
454 R->prev_nrow = R->prev_ncol = 0; 455 prev_nrow = prev_ncol = 0;
455 rxvt_scr_reset(aR); 456 rvideo_mode = false;
457 scr_soft_reset ();
458 scr_reset ();
456 459
457 rxvt_scr_clear(aR); 460 scr_clear (true);
458 rxvt_scr_refresh(aR_ SLOW_REFRESH); 461 scr_refresh ();
459#ifdef RXVT_GRAPHICS 462}
460 rxvt_Gr_reset(aR); 463
464void
465rxvt_term::scr_soft_reset () NOTHROW
466{
467 /* only affects modes, nothing drastic such as clearing the screen */
468#if ENABLE_OVERLAY
469 scr_overlay_off ();
461#endif 470#endif
471
472 if (current_screen != PRIMARY)
473 scr_swap_screen ();
474
475 scr_scroll_region (0, MAX_ROWS - 1);
476 scr_rendition (0, ~RS_None);
477 scr_insert_mode (0);
462} 478}
463 479
464/* ------------------------------------------------------------------------- * 480/* ------------------------------------------------------------------------- *
465 * PROCESS SCREEN COMMANDS * 481 * PROCESS SCREEN COMMANDS *
466 * ------------------------------------------------------------------------- */ 482 * ------------------------------------------------------------------------- */
467/* 483/*
468 * Save and Restore cursor 484 * Save and Restore cursor
469 * XTERM_SEQ: Save cursor : ESC 7 485 * XTERM_SEQ: Save cursor : ESC 7
470 * XTERM_SEQ: Restore cursor: ESC 8 486 * XTERM_SEQ: Restore cursor: ESC 8
471 */ 487 */
472/* EXTPROTO */
473void 488void
474rxvt_scr_cursor(pR_ int mode) 489rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
475{ 490{
476 screen_t *s; 491 screen_t *s;
477
478 D_SCREEN((stderr, "rxvt_scr_cursor(%c)", mode));
479 492
480#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 493#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
481 if (R->current_screen == SECONDARY) 494 if (current_screen == SECONDARY)
482 s = &(R->swap); 495 s = &swap;
483 else 496 else
484#endif 497#endif
485 s = &(R->screen); 498 s = &screen;
499
486 switch (mode) { 500 switch (mode)
501 {
487 case SAVE: 502 case SAVE:
488 s->s_cur.row = s->cur.row; 503 s->s_cur.row = screen.cur.row;
489 s->s_cur.col = s->cur.col; 504 s->s_cur.col = screen.cur.col;
490 s->s_rstyle = R->rstyle; 505 s->s_rstyle = rstyle;
491 s->s_charset = s->charset; 506 s->s_charset = screen.charset;
492 s->s_charset_char = R->charsets[s->charset]; 507 s->s_charset_char = charsets[screen.charset];
493 break; 508 break;
509
494 case RESTORE: 510 case RESTORE:
495 R->want_refresh = 1; 511 want_refresh = 1;
496 s->cur.row = s->s_cur.row; 512 screen.cur.row = s->s_cur.row;
497 s->cur.col = s->s_cur.col; 513 screen.cur.col = s->s_cur.col;
498 s->flags &= ~Screen_WrapNext; 514 screen.flags &= ~Screen_WrapNext;
499 R->rstyle = s->s_rstyle; 515 rstyle = s->s_rstyle;
500 s->charset = s->s_charset; 516 screen.charset = s->s_charset;
501 R->charsets[s->charset] = s->s_charset_char; 517 charsets[screen.charset] = s->s_charset_char;
502 rxvt_set_font_style(aR); 518 set_font_style ();
503 break; 519 break;
504 } 520 }
521
505/* boundary check in case screen size changed between SAVE and RESTORE */ 522 /* boundary check in case screen size changed between SAVE and RESTORE */
506 MIN_IT(s->cur.row, R->TermWin.nrow - 1); 523 min_it (s->cur.row, nrow - 1);
507 MIN_IT(s->cur.col, R->TermWin.ncol - 1); 524 min_it (s->cur.col, ncol - 1);
508#ifdef DEBUG_STRICT
509 assert(s->cur.row >= 0); 525 assert (s->cur.row >= 0);
510 assert(s->cur.col >= 0); 526 assert (s->cur.col >= 0);
511#else /* drive with your eyes closed */ 527}
512 MAX_IT(s->cur.row, 0); 528
513 MAX_IT(s->cur.col, 0); 529void
514#endif 530rxvt_term::scr_swap_screen () NOTHROW
531{
532 if (!option (Opt_secondaryScreen))
533 return;
534
535 for (int i = prev_nrow; i--; )
536 ::swap (ROW(i), swap_buf [i]);
537
538 ::swap (screen.cur, swap.cur);
539
540 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
541 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
515} 542}
516 543
517/* ------------------------------------------------------------------------- */ 544/* ------------------------------------------------------------------------- */
518/* 545/*
519 * Swap between primary and secondary screens 546 * Swap between primary and secondary screens
520 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 547 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
521 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 548 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
522 */ 549 */
523/* EXTPROTO */ 550void
524int
525rxvt_scr_change_screen(pR_ int scrn) 551rxvt_term::scr_change_screen (int scrn)
526{ 552{
527 int i; 553 if (scrn == current_screen)
554 return;
555
556 want_refresh = 1;
557 view_start = 0;
558
559 /* check for boundary cross */
560 row_col_t pos;
561 pos.row = pos.col = 0;
562 if (ROWCOL_IS_BEFORE (selection.beg, pos)
563 && ROWCOL_IS_AFTER (selection.end, pos))
564 CLEAR_SELECTION ();
565
566 current_screen = scrn;
567
528#if NSCREENS 568#if NSCREENS
529 int offset; 569 if (option (Opt_secondaryScreen))
530#endif 570 {
531
532 R->want_refresh = 1;
533
534 D_SCREEN((stderr, "rxvt_scr_change_screen(%d)", scrn));
535
536 R->TermWin.view_start = 0;
537 RESET_CHSTAT(R);
538
539 if (R->current_screen == scrn)
540 return R->current_screen;
541
542 rxvt_selection_check(aR_ 2); /* check for boundary cross */
543
544 SWAP_IT(R->current_screen, scrn, int);
545#if NSCREENS
546 R->num_scr = 0; 571 num_scr = 0;
547 offset = R->TermWin.saveLines; 572
548 for (i = R->prev_nrow; i--;) { 573 scr_swap_screen ();
549 SWAP_IT(R->screen.text[i + offset], R->swap.text[i], text_t *); 574
550 SWAP_IT(R->screen.tlen[i + offset], R->swap.tlen[i], int16_t); 575 ::swap (screen.charset, swap.charset);
551 SWAP_IT(R->screen.rend[i + offset], R->swap.rend[i], rend_t *); 576 ::swap (screen.flags, swap.flags);
552 }
553 SWAP_IT(R->screen.cur.row, R->swap.cur.row, int16_t);
554 SWAP_IT(R->screen.cur.col, R->swap.cur.col, int16_t);
555# ifdef DEBUG_STRICT
556 assert((R->screen.cur.row >= 0) && (R->screen.cur.row < R->prev_nrow));
557 assert((R->screen.cur.col >= 0) && (R->screen.cur.col < R->prev_ncol));
558# else /* drive with your eyes closed */
559 MAX_IT(R->screen.cur.row, 0);
560 MIN_IT(R->screen.cur.row, (int32_t)R->prev_nrow - 1);
561 MAX_IT(R->screen.cur.col, 0);
562 MIN_IT(R->screen.cur.col, (int32_t)R->prev_ncol - 1);
563# endif
564 SWAP_IT(R->screen.charset, R->swap.charset, int16_t);
565 SWAP_IT(R->screen.flags, R->swap.flags, int);
566 R->screen.flags |= Screen_VisibleCursor; 577 screen.flags |= Screen_VisibleCursor;
567 R->swap.flags |= Screen_VisibleCursor; 578 swap.flags |= Screen_VisibleCursor;
568
569# ifdef RXVT_GRAPHICS
570
571 if (rxvt_Gr_Displayed(aR)) {
572 rxvt_Gr_scroll(aR_ 0);
573 rxvt_Gr_ChangeScreen(aR);
574 } 579 }
580 else
575# endif 581#endif
576#else 582 if (option (Opt_secondaryScroll))
577# ifdef SCROLL_ON_NO_SECONDARY
578# ifdef RXVT_GRAPHICS
579 if (rxvt_Gr_Displayed(aR))
580 rxvt_Gr_ClearScreen(aR);
581# endif
582 if (R->current_screen == PRIMARY
583# ifdef RXVT_GRAPHICS
584 && !rxvt_Gr_Displayed(aR)
585# endif
586 )
587 rxvt_scroll_text(aR_ 0, (R->prev_nrow - 1), R->prev_nrow, 0); 583 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
588# endif 584}
589#endif 585
586// clear WrapNext indicator, solidifying position on next line
587void
588rxvt_term::scr_do_wrap () NOTHROW
589{
590 if (!(screen.flags & Screen_WrapNext))
590 return scrn; 591 return;
592
593 screen.flags &= ~Screen_WrapNext;
594
595 screen.cur.col = 0;
596
597 if (screen.cur.row == screen.bscroll)
598 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
599 else if (screen.cur.row < nrow - 1)
600 screen.cur.row++;
591} 601}
592 602
593/* ------------------------------------------------------------------------- */ 603/* ------------------------------------------------------------------------- */
594/* 604/*
595 * Change the colour for following text 605 * Change the colour for following text
596 */ 606 */
597/* EXTPROTO */
598void 607void
599rxvt_scr_color(pR_ unsigned int color, int fgbg) 608rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
600{ 609{
610 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
601 color &= RS_fgMask; 611 color = fgbg;
612
602 if (fgbg == Color_fg) 613 if (fgbg == Color_fg)
603 R->rstyle = SET_FGCOLOR(R->rstyle, color); 614 rstyle = SET_FGCOLOR (rstyle, color);
604 else 615 else
605 R->rstyle = SET_BGCOLOR(R->rstyle, color); 616 rstyle = SET_BGCOLOR (rstyle, color);
606} 617}
607 618
608/* ------------------------------------------------------------------------- */ 619/* ------------------------------------------------------------------------- */
609/* 620/*
610 * Change the rendition style for following text 621 * Change the rendition style for following text
611 */ 622 */
612/* EXTPROTO */
613void 623void
614rxvt_scr_rendition(pR_ int set, int style) 624rxvt_term::scr_rendition (int set, int style) NOTHROW
615{ 625{
616 if (set) 626 if (set)
617 R->rstyle |= style; 627 rstyle |= style;
618 else if (style == ~RS_None) 628 else if (style == ~RS_None)
619 R->rstyle = DEFAULT_RSTYLE; 629 rstyle = DEFAULT_RSTYLE;
620 else 630 else
621 R->rstyle &= ~style; 631 rstyle &= ~style;
622} 632}
623 633
624/* ------------------------------------------------------------------------- */ 634/* ------------------------------------------------------------------------- */
625/* 635/*
626 * Scroll text between <row1> and <row2> inclusive, by <count> lines 636 * Scroll text between <row1> and <row2> inclusive, by <count> lines
627 * count positive ==> scroll up 637 * count positive ==> scroll up
628 * count negative ==> scroll down 638 * count negative ==> scroll down
629 * spec == 0 for normal routines
630 */ 639 */
631/* EXTPROTO */
632int 640int
633rxvt_scroll_text(pR_ int row1, int row2, int count, int spec) 641rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
634{ 642{
635 int i, j;
636 long nscrolled;
637
638 if (count == 0 || (row1 > row2)) 643 if (count == 0 || (row1 > row2))
639 return 0; 644 return 0;
640 645
641 R->want_refresh = 1; 646 want_refresh = 1;
642 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (R->current_screen == PRIMARY) ? "Primary" : "Secondary")); 647 num_scr += count;
643 648
644 if ((count > 0) && (row1 == 0) && (R->current_screen == PRIMARY)) { 649 if (count > 0
645 nscrolled = (long)R->TermWin.nscrolled + (long)count;; 650 && row1 == 0
646 if (nscrolled > (long)R->TermWin.saveLines) 651 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
647 R->TermWin.nscrolled = R->TermWin.saveLines; 652 {
653 min_it (count, total_rows - (nrow - (row2 + 1)));
654
655 top_row = max (top_row - count, -saveLines);
656
657 // sever bottommost line
658 {
659 line_t &l = ROW(row2);
660 l.is_longer (0);
661 l.touch ();
662 }
663
664 // scroll everything up 'count' lines
665 term_start = (term_start + count) % total_rows;
666
667 // now copy lines below the scroll region bottom to the
668 // bottom of the screen again, so they look as if they
669 // hadn't moved.
670 for (int i = nrow; --i > row2; )
671 {
672 line_t &l1 = ROW(i - count);
673 line_t &l2 = ROW(i);
674
675 ::swap (l1, l2);
676 l2.touch ();
677 }
678
679 // erase newly scrolled-in lines
680 for (int i = count; i--; )
681 {
682 line_t &l = ROW(row2 - i);
683
684 // optimise if already cleared, can be significant on slow machines
685 // could be rolled into scr_blank_screen_mem
686 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
687 {
688 scr_blank_line (l, 0, l.l, rstyle);
689 l.l = 0;
690 l.f = 0;
691 }
648 else 692 else
649 R->TermWin.nscrolled = (uint16_t)nscrolled; 693 scr_blank_screen_mem (l, rstyle);
694 }
695
696 // move and/or clear selection, if any
697 if (selection.op && current_screen == selection.screen
698 && selection.beg.row <= row2)
699 {
700 selection.beg.row -= count;
701 selection.end.row -= count;
702 selection.mark.row -= count;
703
704 selection_check (0);
705 }
706
707 // finally move the view window, if desired
650 if ((R->Options & Opt_scrollWithBuffer) 708 if (option (Opt_scrollWithBuffer)
651 && R->TermWin.view_start != 0 709 && view_start != 0
652 && R->TermWin.view_start != R->TermWin.saveLines) 710 && view_start != -saveLines)
653 rxvt_scr_page(aR_ UP, count); 711 scr_page (UP, count);
654 } else if (!spec)
655 row1 += R->TermWin.saveLines;
656 row2 += R->TermWin.saveLines;
657 712
713 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
714 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
715 }
716 else
717 {
658 if (R->selection.op && R->current_screen == R->selection.screen) { 718 if (selection.op && current_screen == selection.screen)
659 i = R->selection.beg.row + R->TermWin.saveLines; 719 {
660 j = R->selection.end.row + R->TermWin.saveLines; 720 if ((selection.beg.row < row1 && selection.end.row > row1)
661 if ((i < row1 && j > row1) 721 || (selection.beg.row < row2 && selection.end.row > row2)
662 || (i < row2 && j > row2) 722 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
663 || (i - count < row1 && i >= row1) 723 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
664 || (i - count > row2 && i <= row2) 724 || (selection.end.row - count < row1 && selection.end.row >= row1)
665 || (j - count < row1 && j >= row1) 725 || (selection.end.row - count > row2 && selection.end.row <= row2))
666 || (j - count > row2 && j <= row2)) { 726 {
667 CLEAR_ALL_SELECTION(R); 727 CLEAR_ALL_SELECTION ();
668 R->selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */ 728 selection.op = SELECTION_CLEAR;
669 } else if (j >= row1 && j <= row2) { 729 }
730 else if (selection.end.row >= row1 && selection.end.row <= row2)
731 {
670 /* move selected region too */ 732 /* move selected region too */
671 R->selection.beg.row -= count; 733 selection.beg.row -= count;
672 R->selection.end.row -= count; 734 selection.end.row -= count;
673 R->selection.mark.row -= count; 735 selection.mark.row -= count;
736
737 selection_check (0);
738 }
739 }
740
741 // use a simple and robust scrolling algorithm, this
742 // part of scr_scroll_text is not time-critical.
743
744 // sever line above scroll region
745 if (row1)
674 } 746 {
675 } 747 line_t &l = ROW(row1 - 1);
676 rxvt_selection_check(aR_ 0); /* _after_ R->TermWin.nscrolled update */ 748 l.is_longer (0);
749 l.touch ();
750 }
677 751
678 R->num_scr += count;
679 j = count;
680 if (count < 0)
681 count = -count;
682 i = row2 - row1 + 1; 752 int rows = row2 - row1 + 1;
683 MIN_IT(count, i);
684 753
685 if (j > 0) { 754 min_it (count, rows);
686/* A: scroll up */
687 755
688/* A1: Copy lines that will get clobbered by the rotation */ 756 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
689 for (i = 0, j = row1; i < count; i++, j++) { 757
690 R->buf_text[i] = R->screen.text[j]; 758 for (int row = 0; row < rows; row++)
691 R->buf_rend[i] = R->screen.rend[j];
692 } 759 {
693/* A2: Rotate lines */ 760 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
694 for (j = row1, i = j + count; i <= row2; i++, j++) { 761
695 R->screen.tlen[j] = R->screen.tlen[i]; 762 if (!IN_RANGE_EXC (row + count, 0, rows))
696 R->screen.text[j] = R->screen.text[i]; 763 scr_blank_screen_mem (temp_buf [row], rstyle);
697 R->screen.rend[j] = R->screen.rend[i]; 764 }
765
766 for (int row = 0; row < rows; row++)
767 ROW(row1 + row) = temp_buf [row];
768
769 // sever bottommost line
770 {
771 line_t &l = ROW(row2);
772 l.is_longer (0);
773 l.touch ();
698 } 774 }
699 j = row2 - count + 1, i = count;
700 } else /* if (j < 0) */ {
701/* B: scroll down */
702
703/* B1: Copy lines that will get clobbered by the rotation */
704 for (i = 0, j = row2; i < count; i++, j--) {
705 R->buf_text[i] = R->screen.text[j];
706 R->buf_rend[i] = R->screen.rend[j];
707 }
708/* B2: Rotate lines */
709 for (j = row2, i = j - count; i >= row1; i--, j--) {
710 R->screen.tlen[j] = R->screen.tlen[i];
711 R->screen.text[j] = R->screen.text[i];
712 R->screen.rend[j] = R->screen.rend[i];
713 }
714 j = row1, i = count;
715 count = -count;
716 } 775 }
717 776
718/* C: Resurrect lines */
719 for (; i--; j++) {
720 R->screen.tlen[j] = 0;
721 R->screen.text[j] = R->buf_text[i];
722 R->screen.rend[j] = R->buf_rend[i];
723 if (!spec) /* line length may not equal TermWin.ncol */
724 rxvt_blank_screen_mem(aR_ R->screen.text, R->screen.rend,
725 (unsigned int)j, R->rstyle);
726 }
727
728#ifdef RXVT_GRAPHICS
729 if (rxvt_Gr_Displayed(aR))
730 rxvt_Gr_scroll(aR_ count);
731#endif
732 return count; 777 return count;
733} 778}
734 779
735/* ------------------------------------------------------------------------- */ 780/* ------------------------------------------------------------------------- */
736/* 781/*
737 * Add text given in <str> of length <len> to screen struct 782 * Add text given in <str> of length <len> to screen struct
738 */ 783 */
739/* EXTPROTO */
740void 784void
741rxvt_scr_add_lines(pR_ const uint32_t *str, int nlines, int len) 785rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
742{ 786{
743 unsigned char checksel, clearsel;
744 uint32_t c;
745 int i, row, last_col;
746 text_t *stp;
747 rend_t *srp;
748
749 if (len <= 0) /* sanity */ 787 if (len <= 0) /* sanity */
750 return; 788 return;
751 789
790 bool checksel;
791 unicode_t c;
792 int ncol = this->ncol;
793 const wchar_t *strend = str + len;
794
752 R->want_refresh = 1; 795 want_refresh = 1;
753 last_col = R->TermWin.ncol;
754
755 D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len));
756 ZERO_SCROLLBACK(R); 796 ZERO_SCROLLBACK ();
797
757 if (nlines > 0) { 798 if (minlines > 0)
799 {
758 nlines += (R->screen.cur.row - R->screen.bscroll); 800 minlines += screen.cur.row - screen.bscroll;
801 min_it (minlines, screen.cur.row - top_row);
802
759 if ((nlines > 0) 803 if (minlines > 0
760 && (R->screen.tscroll == 0) 804 && screen.tscroll == 0
761 && (R->screen.bscroll == (R->TermWin.nrow - 1))) { 805 && screen.bscroll == nrow - 1)
806 {
762 /* _at least_ this many lines need to be scrolled */ 807 /* _at least_ this many lines need to be scrolled */
763 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, nlines, 808 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
764 0);
765 R->screen.cur.row -= nlines; 809 screen.cur.row -= minlines;
766 } 810 }
767 } 811 }
768#ifdef DEBUG_STRICT 812
769 assert(R->screen.cur.col < last_col); 813 assert (screen.cur.col < ncol);
770 assert((R->screen.cur.row < R->TermWin.nrow) 814 assert (screen.cur.row < nrow
771 && (R->screen.cur.row >= -(int32_t)R->TermWin.nscrolled)); 815 && screen.cur.row >= top_row);
772#else /* drive with your eyes closed */ 816 int row = screen.cur.row;
773 MIN_IT(R->screen.cur.col, last_col - 1);
774 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1);
775 MAX_IT(R->screen.cur.row, -(int32_t)R->TermWin.nscrolled);
776#endif
777 row = R->screen.cur.row + R->TermWin.saveLines;
778 817
779 checksel = (R->selection.op 818 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
780 && R->current_screen == R->selection.screen) ? 1 : 0;
781 clearsel = 0;
782 819
783 stp = R->screen.text[row]; 820 line_t *line = &ROW(row);
784 srp = R->screen.rend[row];
785 821
786 for (i = 0; i < len;) { 822 while (str < strend)
787 c = str[i++]; 823 {
788 switch (c) { 824 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
789 case '\t': 825
790 rxvt_scr_tab(aR_ 1); 826 if (ecb_unlikely (c < 0x20))
827 if (c == C0_LF)
828 {
829 max_it (line->l, screen.cur.col);
830
831 screen.flags &= ~Screen_WrapNext;
832
833 if (screen.cur.row == screen.bscroll)
834 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
835 else if (screen.cur.row < (nrow - 1))
836 row = ++screen.cur.row;
837
838 line = &ROW(row); /* _must_ refresh */
791 continue; 839 continue;
792 case '\n': 840 }
793 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 841 else if (c == C0_CR)
794 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 842 {
843 max_it (line->l, screen.cur.col);
844
795 R->screen.flags &= ~Screen_WrapNext; 845 screen.flags &= ~Screen_WrapNext;
796 if (R->screen.cur.row == R->screen.bscroll) 846 screen.cur.col = 0;
797 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, 1, 0);
798 else if (R->screen.cur.row < (R->TermWin.nrow - 1))
799 row = (++R->screen.cur.row) + R->TermWin.saveLines;
800 stp = R->screen.text[row]; /* _must_ refresh */
801 srp = R->screen.rend[row]; /* _must_ refresh */
802 RESET_CHSTAT(R);
803 continue; 847 continue;
804 case '\r': 848 }
805 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 849 else if (c == C0_HT)
806 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 850 {
807 R->screen.flags &= ~Screen_WrapNext; 851 scr_tab (1, true);
808 R->screen.cur.col = 0;
809 RESET_CHSTAT(R);
810 continue; 852 continue;
811 default:
812 if (c == 127)
813 continue; /* yummmm..... */
814 break;
815 } 853 }
816 854
855 if (ecb_unlikely (
817 if (checksel /* see if we're writing within selection */ 856 checksel /* see if we're writing within selection */
818 && !ROWCOL_IS_BEFORE(R->screen.cur, R->selection.beg) 857 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
819 && ROWCOL_IS_BEFORE(R->screen.cur, R->selection.end)) { 858 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
859 ))
860 {
820 checksel = 0; 861 checksel = 0;
821 clearsel = 1; 862 /*
863 * If we wrote anywhere in the selected area, kill the selection
864 * XXX: should we kill the mark too? Possibly, but maybe that
865 * should be a similar check.
866 */
867 CLEAR_SELECTION ();
868 }
869
870 if (ecb_unlikely (screen.flags & Screen_WrapNext))
822 } 871 {
823 if (R->screen.flags & Screen_WrapNext) { 872 scr_do_wrap ();
824 R->screen.tlen[row] = -1; 873
825 if (R->screen.cur.row == R->screen.bscroll) 874 line->l = ncol;
826 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, 1, 0); 875 line->is_longer (1);
827 else if (R->screen.cur.row < (R->TermWin.nrow - 1)) 876
828 row = (++R->screen.cur.row) + R->TermWin.saveLines; 877 row = screen.cur.row;
829 stp = R->screen.text[row]; /* _must_ refresh */ 878 line = &ROW(row); /* _must_ refresh */
830 srp = R->screen.rend[row]; /* _must_ refresh */ 879 }
831 R->screen.cur.col = 0; 880
832 R->screen.flags &= ~Screen_WrapNext; 881 // some utf-8 decoders "decode" surrogate characters: let's fix this.
882 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
883 c = 0xfffd;
884
885 // rely on wcwidth to tell us the character width, do wcwidth before
886 // further replacements, as wcwidth might return -1 for the line
887 // drawing characters below as they might be invalid in the current
888 // locale.
889 int width = WCWIDTH (c);
890
891 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
833 } 892 {
834 if (R->screen.flags & Screen_Insert) 893 // vt100 special graphics and line drawing
835 rxvt_scr_insdel_chars(aR_ 1, INSERT); 894 // 5f-7e standard vt100
895 // 40-5e rxvt extension for extra curses acs chars
896 static uint16_t vt100_0[62] = { // 41 .. 7e
897 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
898 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
899 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
900 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
901 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
902 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
903 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
904 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
905 };
836 906
837 if (R->charsets[R->screen.charset] == '0') // DEC SPECIAL 907 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
838 switch (c)
839 { 908 {
840 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 909 c = vt100_0[c - 0x41];
841 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 910 width = 1; // vt100 line drawing characters are always single-width
842 case 'a': c = 0x2592; break; case 'f': c = 0x00b0; break; case 'g': c = 0x00b1; break;
843 case 'h': c = 0x2592; break; case 'i': c = 0x2603; break; case 'j': c = 0x2518; break;
844 case 'k': c = 0x2510; break; case 'l': c = 0x250c; break; case 'm': c = 0x2514; break;
845 case 'n': c = 0x253c; break; case 'o': c = 0x23ba; break; case 'p': c = 0x23bb; break;
846 case 'q': c = 0x2500; break; case 'r': c = 0x23bc; break; case 's': c = 0x23bd; break;
847 case 't': c = 0x251c; break; case 'u': c = 0x2524; break; case 'v': c = 0x2534; break;
848 case 'w': c = 0x252c; break; case 'x': c = 0x2502; break; case 'y': c = 0x2264; break;
849 case 'z': c = 0x2265; break; case '{': c = 0x03c0; break; case '|': c = 0x2260; break;
850 case '}': c = 0x00a3; break; case '~': c = 0x00b7; break;
851 } 911 }
912 }
852 913
853 rend_t rend = SET_FONT (R->rstyle, R->TermWin.fontset->find_font (c)); 914 if (ecb_unlikely (screen.flags & Screen_Insert))
915 scr_insdel_chars (width, INSERT);
854 916
855 stp[R->screen.cur.col] = c; 917 if (width != 0)
856 srp[R->screen.cur.col] = rend;
857
858 if (c > 255)
859 { 918 {
860 // rely on wcwidth to tell us the character width, at least for non iso-8859-1 919#if !UNICODE_3
861 int width = wcwidth (c); 920 // trim characters we can't store directly :(
921 if (c >= 0x10000)
922# if ENABLE_COMBINING
923 c = rxvt_composite.compose (c); // map to lower 16 bits
924# else
925 c = 0xfffd;
926# endif
927#endif
928
929 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
930
931 // if the character doesn't fit into the remaining columns...
932 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
862 933 {
863 if (width > 1)
864 {
865 while (--width > 0 && R->screen.cur.col < last_col - 1)
866 {
867
868 srp[R->screen.cur.col] |= RS_wide;
869
870 R->screen.cur.col++;
871 stp[R->screen.cur.col] = NOCHAR;
872 srp[R->screen.cur.col] = rend;
873 }
874 }
875 }
876
877 if (R->screen.cur.col < last_col - 1)
878 R->screen.cur.col++;
879 else {
880 R->screen.tlen[row] = last_col;
881 if (R->screen.flags & Screen_Autowrap) 934 if (screen.flags & Screen_Autowrap)
935 {
936 // ... artificially enlargen the previous one
937 c = NOCHAR;
938 // and try the same character next loop iteration
939 --str;
940 }
941 else
942 screen.cur.col = ncol - width;
943 }
944
945 // nuke the character at this position, if required
946 // due to wonderful coincidences everywhere else in this loop
947 // we never have to check for overwriting a wide char itself,
948 // only its tail.
949 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
950 scr_kill_char (*line, screen.cur.col);
951
952 line->touch ();
953
954 do
955 {
956 line->t[screen.cur.col] = c;
957 line->r[screen.cur.col] = rend;
958
959 if (ecb_likely (screen.cur.col < ncol - 1))
960 screen.cur.col++;
961 else
962 {
963 line->l = ncol;
964 if (screen.flags & Screen_Autowrap)
882 R->screen.flags |= Screen_WrapNext; 965 screen.flags |= Screen_WrapNext;
966
967 goto end_of_line;
968 }
969
970 c = NOCHAR;
971 }
972 while (ecb_unlikely (--width > 0));
973
974 // pad with spaces when overwriting wide character with smaller one
975 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
976 {
977 line->t[c] = ' ';
978 line->r[c] = rend;
979 }
980
981end_of_line:
982 ;
983 }
984#if ENABLE_COMBINING
985 else // width == 0
883 } 986 {
884 } 987 if (c != 0xfeff) // ignore BOM
885 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 988 {
886 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 989 // handle combining characters
990 // we just tag the accent on the previous on-screen character.
991 // this is arguably not correct, but also arguably not wrong.
992 // we don't handle double-width characters nicely yet.
993 line_t *linep;
994 text_t *tp;
995 rend_t *rp;
887 996
888/* 997 if (screen.cur.col > 0)
889 * If we wrote anywhere in the selected area, kill the selection 998 {
890 * XXX: should we kill the mark too? Possibly, but maybe that 999 linep = line;
891 * should be a similar check. 1000 tp = line->t + screen.cur.col - 1;
892 */ 1001 rp = line->r + screen.cur.col - 1;
893 if (clearsel) 1002 }
894 CLEAR_SELECTION(R); 1003 else if (screen.cur.row > 0
1004 && ROW(screen.cur.row - 1).is_longer ())
1005 {
1006 linep = &ROW(screen.cur.row - 1);
1007 tp = line->t + ncol - 1;
1008 rp = line->r + ncol - 1;
1009 }
1010 else
1011 continue;
895 1012
896#ifdef DEBUG_STRICT 1013 linep->touch ();
1014
1015 while (*tp == NOCHAR && tp > linep->t)
1016 tp--, rp--;
1017
1018 // first try to find a precomposed character
1019 unicode_t n = rxvt_compose (*tp, c);
1020 if (n == NOCHAR)
1021 n = rxvt_composite.compose (*tp, c);
1022
1023 *tp = n;
1024 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1025 }
1026 }
1027#endif
1028 }
1029
1030 max_it (line->l, screen.cur.col);
1031
897 assert(R->screen.cur.row >= 0); 1032 assert (screen.cur.row >= 0);
898#else /* drive with your eyes closed */
899 MAX_IT(R->screen.cur.row, 0);
900#endif
901} 1033}
902 1034
903/* ------------------------------------------------------------------------- */ 1035/* ------------------------------------------------------------------------- */
904/* 1036/*
905 * Process Backspace. Move back the cursor back a position, wrap if have to 1037 * Process Backspace. Move back the cursor back a position, wrap if have to
906 * XTERM_SEQ: CTRL-H 1038 * XTERM_SEQ: CTRL-H
907 */ 1039 */
908/* EXTPROTO */
909void 1040void
910rxvt_scr_backspace(pR) 1041rxvt_term::scr_backspace () NOTHROW
911{ 1042{
912 RESET_CHSTAT(R);
913 R->want_refresh = 1;
914 if (R->screen.cur.col == 0) { 1043 if (screen.cur.col == 0)
1044 {
915 if (R->screen.cur.row > 0) { 1045 if (screen.cur.row > 0)
1046 {
916#ifdef TERMCAP_HAS_BW 1047#ifdef TERMCAP_HAS_BW
917 R->screen.cur.col = R->TermWin.ncol - 1; 1048 screen.cur.col = ncol - 1;
918 R->screen.cur.row--; 1049 --screen.cur.row;
919 return; 1050
1051 want_refresh = 1;
920#endif 1052#endif
921 } 1053 }
1054 }
922 } else if ((R->screen.flags & Screen_WrapNext) == 0) 1055 else if (screen.flags & Screen_WrapNext)
923 rxvt_scr_gotorc(aR_ 0, -1, RELATIVE);
924 R->screen.flags &= ~Screen_WrapNext; 1056 screen.flags &= ~Screen_WrapNext;
1057 else
1058 scr_gotorc (0, -1, RELATIVE);
925} 1059}
926 1060
927/* ------------------------------------------------------------------------- */ 1061/* ------------------------------------------------------------------------- */
928/* 1062/*
929 * Process Horizontal Tab 1063 * Process Horizontal Tab
930 * count: +ve = forward; -ve = backwards 1064 * count: +ve = forward; -ve = backwards
931 * XTERM_SEQ: CTRL-I 1065 * XTERM_SEQ: CTRL-I
932 */ 1066 */
933/* EXTPROTO */
934void 1067void
935rxvt_scr_tab(pR_ int count) 1068rxvt_term::scr_tab (int count, bool ht) NOTHROW
936{ 1069{
937 int i, x; 1070 int i, x;
938 1071
939 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
940 R->want_refresh = 1; 1072 want_refresh = 1;
941 RESET_CHSTAT(R);
942 i = x = R->screen.cur.col; 1073 i = x = screen.cur.col;
1074
943 if (count == 0) 1075 if (count == 0)
944 return; 1076 return;
945 else if (count > 0) { 1077 else if (count > 0)
1078 {
1079 line_t &l = ROW(screen.cur.row);
1080 rend_t base_rend = l.r[i];
1081 ht &= l.t[i] == ' ';
1082
946 for (; ++i < R->TermWin.ncol; ) 1083 for (; ++i < ncol; )
947 if (R->tabs[i]) { 1084 if (tabs[i])
1085 {
948 x = i; 1086 x = i;
1087
949 if (!--count) 1088 if (!--count)
950 break; 1089 break;
1090 }
1091 else
1092 ht &= l.t[i] == ' '
1093 && RS_SAME (l.r[i], base_rend);
1094
1095 if (count)
1096 x = ncol - 1;
1097
1098 // store horizontal tab commands as characters inside the text
1099 // buffer so they can be selected and pasted.
1100 if (ht && option (Opt_pastableTabs))
1101 {
1102 base_rend = SET_FONT (base_rend, 0);
1103
1104 l.touch (x);
1105
1106 i = screen.cur.col;
1107
1108 l.t[i] = '\t';
1109 l.r[i] = base_rend;
1110
1111 while (++i < x)
1112 {
1113 l.t[i] = NOCHAR;
1114 l.r[i] = base_rend;
951 } 1115 }
952 if (count) 1116 }
953 x = R->TermWin.ncol - 1; 1117 }
954 } else /* if (count < 0) */ { 1118 else /* if (count < 0) */
1119 {
955 for (; --i >= 0; ) 1120 for (; --i >= 0; )
956 if (R->tabs[i]) { 1121 if (tabs[i])
957 x = i;
958 if (!++count)
959 break;
960 } 1122 {
961 if (count)
962 x = 0; 1123 x = i;
1124 if (!++count)
1125 break;
1126 }
1127
1128 if (count)
1129 x = 0;
963 } 1130 }
1131
964 if (x != R->screen.cur.col) 1132 if (x != screen.cur.col)
965 rxvt_scr_gotorc(aR_ 0, x, R_RELATIVE); 1133 scr_gotorc (0, x, R_RELATIVE);
966} 1134}
967 1135
968/* ------------------------------------------------------------------------- */ 1136/* ------------------------------------------------------------------------- */
969/* 1137/*
970 * Process DEC Back Index 1138 * Process DEC Back Index
971 * XTERM_SEQ: ESC 6 1139 * XTERM_SEQ: ESC 6
972 * Move cursor left in row. If we're at the left boundary, shift everything 1140 * Move cursor left in row. If we're at the left boundary, shift everything
973 * in that row right. Clear left column. 1141 * in that row right. Clear left column.
974 */ 1142 */
975#ifndef NO_FRILLS 1143#if !ENABLE_MINIMAL
976/* EXTPROTO */
977void 1144void
978rxvt_scr_backindex(pR) 1145rxvt_term::scr_backindex () NOTHROW
979{ 1146{
980 if (R->screen.cur.col > 0) 1147 if (screen.cur.col > 0)
981 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE); 1148 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
982 else { 1149 else
983 if (R->screen.tlen[R->screen.cur.row + R->TermWin.saveLines] == 0)
984 return; /* um, yeah? */
985 rxvt_scr_insdel_chars(aR_ 1, INSERT); 1150 scr_insdel_chars (1, INSERT);
986 }
987} 1151}
988#endif 1152#endif
989/* ------------------------------------------------------------------------- */ 1153/* ------------------------------------------------------------------------- */
990/* 1154/*
991 * Process DEC Forward Index 1155 * Process DEC Forward Index
992 * XTERM_SEQ: ESC 9 1156 * XTERM_SEQ: ESC 9
993 * Move cursor right in row. If we're at the right boundary, shift everything 1157 * Move cursor right in row. If we're at the right boundary, shift everything
994 * in that row left. Clear right column. 1158 * in that row left. Clear right column.
995 */ 1159 */
996#ifndef NO_FRILLS 1160#if !ENABLE_MINIMAL
997/* EXTPROTO */
998void 1161void
999rxvt_scr_forwardindex(pR) 1162rxvt_term::scr_forwardindex () NOTHROW
1000{ 1163{
1001 int row;
1002
1003 if (R->screen.cur.col < R->TermWin.ncol - 1) 1164 if (screen.cur.col < ncol - 1)
1004 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE); 1165 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1005 else { 1166 else
1006 row = R->screen.cur.row + R->TermWin.saveLines; 1167 {
1007 if (R->screen.tlen[row] == 0) 1168 line_t &l = ROW(screen.cur.row);
1008 return; /* um, yeah? */ 1169
1009 else if (R->screen.tlen[row] == -1) 1170 l.touch ();
1010 R->screen.tlen[row] = R->TermWin.ncol; 1171 l.is_longer (0);
1172
1011 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE); 1173 scr_gotorc (0, 0, R_RELATIVE);
1012 rxvt_scr_insdel_chars(aR_ 1, DELETE); 1174 scr_insdel_chars (1, DELETE);
1013 rxvt_scr_gotorc(aR_ 0, R->TermWin.ncol - 1, R_RELATIVE); 1175 scr_gotorc (0, ncol - 1, R_RELATIVE);
1014 } 1176 }
1015} 1177}
1016#endif 1178#endif
1017 1179
1018/* ------------------------------------------------------------------------- */ 1180/* ------------------------------------------------------------------------- */
1019/* 1181/*
1020 * Goto Row/Column 1182 * Goto Row/Column
1021 */ 1183 */
1022/* EXTPROTO */
1023void 1184void
1024rxvt_scr_gotorc(pR_ int row, int col, int relative) 1185rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1025{ 1186{
1026 R->want_refresh = 1; 1187 want_refresh = 1;
1027 ZERO_SCROLLBACK(R); 1188 ZERO_SCROLLBACK ();
1028 RESET_CHSTAT(R);
1029#ifdef RXVT_GRAPHICS
1030 if (rxvt_Gr_Displayed(aR))
1031 rxvt_Gr_scroll(aR_ 0);
1032#endif
1033 1189
1034 D_SCREEN((stderr, "rxvt_scr_gotorc(r:%s%d,c:%s%d): from (r:%d,c:%d)", (relative & R_RELATIVE ? "+" : ""), row, (relative & C_RELATIVE ? "+" : ""), col, R->screen.cur.row, R->screen.cur.col));
1035
1036 R->screen.cur.col = ((relative & C_RELATIVE) ? (R->screen.cur.col + col) 1190 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1037 : col); 1191 clamp_it (screen.cur.col, 0, ncol - 1);
1038 MAX_IT(R->screen.cur.col, 0);
1039 MIN_IT(R->screen.cur.col, (int32_t)R->TermWin.ncol - 1);
1040 1192
1041 R->screen.flags &= ~Screen_WrapNext; 1193 screen.flags &= ~Screen_WrapNext;
1194
1042 if (relative & R_RELATIVE) { 1195 if (relative & R_RELATIVE)
1196 {
1043 if (row > 0) { 1197 if (row > 0)
1198 {
1044 if (R->screen.cur.row <= R->screen.bscroll 1199 if (screen.cur.row <= screen.bscroll
1045 && (R->screen.cur.row + row) > R->screen.bscroll) 1200 && (screen.cur.row + row) > screen.bscroll)
1046 R->screen.cur.row = R->screen.bscroll; 1201 screen.cur.row = screen.bscroll;
1047 else 1202 else
1048 R->screen.cur.row += row;
1049 } else if (row < 0) {
1050 if (R->screen.cur.row >= R->screen.tscroll
1051 && (R->screen.cur.row + row) < R->screen.tscroll)
1052 R->screen.cur.row = R->screen.tscroll;
1053 else
1054 R->screen.cur.row += row;
1055 }
1056 } else {
1057 if (R->screen.flags & Screen_Relative) { /* relative origin mode */
1058 R->screen.cur.row = row + R->screen.tscroll;
1059 MIN_IT(R->screen.cur.row, R->screen.bscroll);
1060 } else
1061 R->screen.cur.row = row; 1203 screen.cur.row += row;
1204 }
1205 else if (row < 0)
1206 {
1207 if (screen.cur.row >= screen.tscroll
1208 && (screen.cur.row + row) < screen.tscroll)
1209 screen.cur.row = screen.tscroll;
1210 else
1211 screen.cur.row += row;
1212 }
1213 }
1214 else
1062 } 1215 {
1063 MAX_IT(R->screen.cur.row, 0); 1216 if (screen.flags & Screen_Relative)
1064 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); 1217 {
1065} 1218 /* relative origin mode */
1219 screen.cur.row = row + screen.tscroll;
1220 min_it (screen.cur.row, screen.bscroll);
1221 }
1222 else
1223 screen.cur.row = row;
1224 }
1066 1225
1226 clamp_it (screen.cur.row, 0, nrow - 1);
1227}
1228
1067/* ------------------------------------------------------------------------- */ 1229/* ------------------------------------------------------------------------- */
1068/* 1230/*
1069 * direction should be UP or DN 1231 * direction should be UP or DN
1070 */ 1232 */
1071/* EXTPROTO */
1072void 1233void
1073rxvt_scr_index(pR_ enum page_dirn direction) 1234rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1074{ 1235{
1075 int dirn; 1236 int dirn;
1076 1237
1077 R->want_refresh = 1; 1238 want_refresh = 1;
1239 ZERO_SCROLLBACK ();
1240
1078 dirn = ((direction == UP) ? 1 : -1); 1241 dirn = ((direction == UP) ? 1 : -1);
1079 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1080 1242
1081 ZERO_SCROLLBACK(R);
1082 RESET_CHSTAT(R);
1083
1084#ifdef RXVT_GRAPHICS
1085 if (rxvt_Gr_Displayed(aR))
1086 rxvt_Gr_scroll(aR_ 0);
1087#endif
1088
1089 R->screen.flags &= ~Screen_WrapNext; 1243 screen.flags &= ~Screen_WrapNext;
1244
1090 if ((R->screen.cur.row == R->screen.bscroll && direction == UP) 1245 if ((screen.cur.row == screen.bscroll && direction == UP)
1091 || (R->screen.cur.row == R->screen.tscroll && direction == DN)) 1246 || (screen.cur.row == screen.tscroll && direction == DN))
1092 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, dirn, 0); 1247 scr_scroll_text (screen.tscroll, screen.bscroll, dirn);
1093 else 1248 else
1094 R->screen.cur.row += dirn; 1249 screen.cur.row += dirn;
1095 MAX_IT(R->screen.cur.row, 0); 1250
1096 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); 1251 clamp_it (screen.cur.row, 0, nrow - 1);
1097 rxvt_selection_check(aR_ 0); 1252 selection_check (0);
1098} 1253}
1099 1254
1100/* ------------------------------------------------------------------------- */ 1255/* ------------------------------------------------------------------------- */
1101/* 1256/*
1102 * Erase part or whole of a line 1257 * Erase part or whole of a line
1103 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1258 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1104 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1259 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1105 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1260 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1261 * extension: clear to right unless wrapped: ESC [ 3 K
1106 */ 1262 */
1107/* EXTPROTO */
1108void 1263void
1109rxvt_scr_erase_line(pR_ int mode) 1264rxvt_term::scr_erase_line (int mode) NOTHROW
1110{ 1265{
1111 unsigned int row, col, num; 1266 unsigned int col, num;
1112 1267
1113 R->want_refresh = 1; 1268 want_refresh = 1;
1114 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, R->screen.cur.row));
1115 ZERO_SCROLLBACK(R); 1269 ZERO_SCROLLBACK ();
1116 RESET_CHSTAT(R);
1117 1270
1118#ifdef RXVT_GRAPHICS
1119 if (rxvt_Gr_Displayed(aR))
1120 rxvt_Gr_scroll(aR_ 0);
1121#endif
1122
1123 rxvt_selection_check(aR_ 1); 1271 selection_check (1);
1124 1272
1125 R->screen.flags &= ~Screen_WrapNext; 1273 line_t &line = ROW(screen.cur.row);
1126 1274
1127 row = R->TermWin.saveLines + R->screen.cur.row; 1275 line.touch ();
1276 line.is_longer (0);
1277
1128 switch (mode) { 1278 switch (mode)
1279 {
1280 case 3:
1281 if (screen.flags & Screen_WrapNext)
1282 return;
1283
1284 /* fall through */
1285
1129 case 0: /* erase to end of line */ 1286 case 0: /* erase to end of line */
1130 col = R->screen.cur.col; 1287 col = screen.cur.col;
1131 num = R->TermWin.ncol - col; 1288 num = ncol - col;
1132 MIN_IT(R->screen.tlen[row], (int16_t)col); 1289 min_it (line.l, col);
1290
1133 if (ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur) 1291 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1134 || ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.end, R->screen.cur)) 1292 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1135 CLEAR_SELECTION(R); 1293 CLEAR_SELECTION ();
1136 break; 1294 break;
1295
1137 case 1: /* erase to beginning of line */ 1296 case 1: /* erase to beginning of line */
1138 col = 0; 1297 col = 0;
1139 num = R->screen.cur.col + 1; 1298 num = screen.cur.col + 1;
1299
1140 if (ROWCOL_IN_ROW_AT_OR_BEFORE(R->selection.beg, R->screen.cur) 1300 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1141 || ROWCOL_IN_ROW_AT_OR_BEFORE(R->selection.end, R->screen.cur)) 1301 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1142 CLEAR_SELECTION(R); 1302 CLEAR_SELECTION ();
1143 break; 1303 break;
1304
1144 case 2: /* erase whole line */ 1305 case 2: /* erase whole line */
1145 col = 0; 1306 col = 0;
1146 num = R->TermWin.ncol; 1307 num = ncol;
1147 R->screen.tlen[row] = 0; 1308 line.l = 0;
1148 if (R->selection.beg.row <= R->screen.cur.row 1309 if (selection.beg.row <= screen.cur.row
1149 && R->selection.end.row >= R->screen.cur.row) 1310 && selection.end.row >= screen.cur.row)
1150 CLEAR_SELECTION(R); 1311 CLEAR_SELECTION ();
1151 break; 1312 break;
1152 default: 1313 default:
1153 return; 1314 return;
1154 } 1315 }
1155 if (R->screen.text[row])
1156 rxvt_blank_line(aR_
1157 &(R->screen.text[row][col]),
1158 &(R->screen.rend[row][col]), num, R->rstyle);
1159 else
1160 rxvt_blank_screen_mem(aR_ R->screen.text, R->screen.rend, row,
1161 R->rstyle);
1162}
1163 1316
1317 scr_blank_line (line, col, num, rstyle);
1318}
1319
1164/* ------------------------------------------------------------------------- */ 1320/* ------------------------------------------------------------------------- */
1165/* 1321/*
1166 * Erase part of whole of the screen 1322 * Erase part or whole of the screen
1167 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1323 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1168 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1324 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1169 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1325 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1170 */ 1326 */
1171/* EXTPROTO */
1172void 1327void
1173rxvt_scr_erase_screen(pR_ int mode) 1328rxvt_term::scr_erase_screen (int mode) NOTHROW
1174{ 1329{
1175 int num; 1330 int num;
1176 int32_t row, row_offset; 1331 int32_t row;
1177 rend_t ren; 1332 rend_t ren;
1178 XGCValues gcvalue; 1333 XGCValues gcvalue;
1179 1334
1180 R->want_refresh = 1; 1335 want_refresh = 1;
1181 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, R->screen.cur.row));
1182 ZERO_SCROLLBACK(R); 1336 ZERO_SCROLLBACK ();
1183 RESET_CHSTAT(R);
1184 row_offset = (int32_t)R->TermWin.saveLines;
1185 1337
1186 switch (mode) { 1338 switch (mode)
1339 {
1187 case 0: /* erase to end of screen */ 1340 case 0: /* erase to end of screen */
1188 rxvt_selection_check(aR_ 1);
1189 rxvt_scr_erase_line(aR_ 0); 1341 scr_erase_line (0);
1190 row = R->screen.cur.row + 1; /* possible OOB */ 1342 row = screen.cur.row + 1; /* possible OOB */
1191 num = R->TermWin.nrow - row; 1343 num = nrow - row;
1192 break; 1344 break;
1193 case 1: /* erase to beginning of screen */ 1345 case 1: /* erase to beginning of screen */
1194 rxvt_selection_check(aR_ 3);
1195 rxvt_scr_erase_line(aR_ 1); 1346 scr_erase_line (1);
1196 row = 0; 1347 row = 0;
1197 num = R->screen.cur.row; 1348 num = screen.cur.row;
1198 break; 1349 break;
1199 case 2: /* erase whole screen */ 1350 case 2: /* erase whole screen */
1200 rxvt_selection_check(aR_ 3);
1201#ifdef RXVT_GRAPHICS
1202 rxvt_Gr_ClearScreen(aR);
1203#endif
1204 row = 0; 1351 row = 0;
1205 num = R->TermWin.nrow; 1352 num = nrow;
1206 break; 1353 break;
1207 default: 1354 default:
1208 return; 1355 return;
1209 } 1356 }
1210 R->refresh_type |= REFRESH_BOUNDS; 1357
1211 if (R->selection.op && R->current_screen == R->selection.screen 1358 if (selection.op && current_screen == selection.screen
1212 && ((R->selection.beg.row >= row && R->selection.beg.row <= row + num) 1359 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1213 || (R->selection.end.row >= row 1360 || (selection.end.row >= row
1214 && R->selection.end.row <= row + num))) 1361 && selection.end.row <= row + num)))
1215 CLEAR_SELECTION(R); 1362 CLEAR_SELECTION ();
1363
1216 if (row >= R->TermWin.nrow) /* Out Of Bounds */ 1364 if (row >= nrow) /* Out Of Bounds */
1217 return; 1365 return;
1218 MIN_IT(num, (R->TermWin.nrow - row)); 1366
1367 min_it (num, nrow - row);
1368
1219 if (R->rstyle & (RS_RVid | RS_Uline)) 1369 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1220 ren = (rend_t) ~RS_None; 1370 ren = (rend_t) ~RS_None;
1221 else if (GET_BASEBG(R->rstyle) == Color_bg) { 1371 else if (GET_BASEBG (rstyle) == Color_bg)
1372 {
1222 ren = DEFAULT_RSTYLE; 1373 ren = DEFAULT_RSTYLE;
1223 CLEAR_ROWS(row, num); 1374
1224 } else { 1375 if (mapped)
1376 XClearArea (dpy, vt, 0,
1377 Row2Pixel (row - view_start), (unsigned int)vt_width,
1378 (unsigned int)Height2Pixel (num), False);
1379 }
1380 else
1381 {
1225 ren = (R->rstyle & (RS_fgMask | RS_bgMask)); 1382 ren = rstyle & (RS_fgMask | RS_bgMask);
1226 gcvalue.foreground = R->PixColors[GET_BGCOLOR(R->rstyle)]; 1383
1384 if (mapped)
1385 {
1386 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1227 XChangeGC(R->Xdisplay, R->TermWin.gc, GCForeground, &gcvalue); 1387 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1228 ERASE_ROWS(row, num); 1388 XFillRectangle (dpy, vt, gc,
1389 0, Row2Pixel (row - view_start),
1390 (unsigned int)vt_width,
1391 (unsigned int)Height2Pixel (num));
1229 gcvalue.foreground = R->PixColors[Color_fg]; 1392 gcvalue.foreground = pix_colors[Color_fg];
1230 XChangeGC(R->Xdisplay, R->TermWin.gc, GCForeground, &gcvalue); 1393 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1394 }
1231 } 1395 }
1396
1232 for (; num--; row++) { 1397 for (; num--; row++)
1233 rxvt_blank_screen_mem(aR_ R->screen.text, R->screen.rend,
1234 (unsigned int)(row + row_offset), R->rstyle);
1235 R->screen.tlen[row + row_offset] = 0;
1236 rxvt_blank_line(aR_
1237 R->drawn_text[row], R->drawn_rend[row],
1238 (unsigned int)R->TermWin.ncol, ren);
1239 } 1398 {
1399 scr_blank_screen_mem (ROW(row), rstyle);
1400
1401 if (row - view_start < nrow)
1402 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1403 }
1240} 1404}
1405
1406#if !ENABLE_MINIMAL
1407void
1408rxvt_term::scr_erase_savelines () NOTHROW
1409{
1410 want_refresh = 1;
1411 ZERO_SCROLLBACK ();
1412
1413 top_row = 0;
1414}
1415#endif
1241 1416
1242/* ------------------------------------------------------------------------- */ 1417/* ------------------------------------------------------------------------- */
1243/* 1418/*
1244 * Fill the screen with `E's 1419 * Fill the screen with `E's
1245 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1420 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1246 */ 1421 */
1247/* EXTPROTO */
1248void 1422void
1249rxvt_scr_E(pR) 1423rxvt_term::scr_E () NOTHROW
1250{ 1424{
1251 int i, j, k; 1425 rend_t fs;
1252 rend_t *r1, fs;
1253 1426
1254 R->want_refresh = 1; 1427 want_refresh = 1;
1255 R->num_scr_allow = 0;
1256 ZERO_SCROLLBACK(R); 1428 ZERO_SCROLLBACK ();
1257 RESET_CHSTAT(R);
1258 rxvt_selection_check(aR_ 3);
1259 1429
1260 fs = SET_FONT (R->rstyle, R->TermWin.fontset->find_font ('E')); 1430 num_scr_allow = 0;
1261 for (k = R->TermWin.saveLines, i = R->TermWin.nrow; i--; k++) { 1431
1262 R->screen.tlen[k] = R->TermWin.ncol; /* make the `E's selectable */ 1432 row_col_t pos;
1263 fill_text (R->screen.text[k], 'E', R->TermWin.ncol); 1433 pos.row = pos.col = 0;
1264 for (r1 = R->screen.rend[k], j = R->TermWin.ncol; j--; ) 1434 if (ROWCOL_IS_AFTER (selection.end, pos))
1435 CLEAR_SELECTION ();
1436
1437 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1438 for (int row = nrow; row--; )
1439 {
1440 line_t &line = ROW(row);
1441
1442 fill_text (line.t, 'E', ncol);
1443 rend_t *r1 = line.r;
1444
1445 for (int j = ncol; j--; )
1265 *r1++ = fs; 1446 *r1++ = fs;
1447
1448 line.is_longer (0);
1449 line.touch (ncol);
1266 } 1450 }
1267} 1451}
1268 1452
1269/* ------------------------------------------------------------------------- */ 1453/* ------------------------------------------------------------------------- */
1270/* 1454/*
1271 * Insert/Delete <count> lines 1455 * Insert/Delete <count> lines
1272 */ 1456 */
1273/* EXTPROTO */
1274void 1457void
1275rxvt_scr_insdel_lines(pR_ int count, int insdel) 1458rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1276{ 1459{
1277 int end; 1460 int end;
1278 1461
1279 ZERO_SCROLLBACK(R); 1462 ZERO_SCROLLBACK ();
1280 RESET_CHSTAT(R);
1281 1463
1282#ifdef RXVT_GRAPHICS
1283 if (rxvt_Gr_Displayed(aR))
1284 rxvt_Gr_scroll(aR_ 0);
1285#endif
1286
1287 rxvt_selection_check(aR_ 1); 1464 selection_check (1);
1288 1465
1289 if (R->screen.cur.row > R->screen.bscroll) 1466 if (screen.cur.row > screen.bscroll)
1467 return;
1468
1469 end = screen.bscroll - screen.cur.row + 1;
1470 if (count > end)
1471 {
1472 if (insdel == DELETE)
1290 return; 1473 return;
1291
1292 end = R->screen.bscroll - R->screen.cur.row + 1;
1293 if (count > end) {
1294 if (insdel == DELETE)
1295 return;
1296 else if (insdel == INSERT) 1474 else if (insdel == INSERT)
1297 count = end; 1475 count = end;
1298 } 1476 }
1299 R->screen.flags &= ~Screen_WrapNext;
1300 1477
1478 scr_do_wrap ();
1479
1301 rxvt_scroll_text(aR_ R->screen.cur.row, R->screen.bscroll, insdel * count, 1480 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1302 0);
1303} 1481}
1304 1482
1305/* ------------------------------------------------------------------------- */ 1483/* ------------------------------------------------------------------------- */
1306/* 1484/*
1307 * Insert/Delete <count> characters from the current position 1485 * Insert/Delete <count> characters from the current position
1308 */ 1486 */
1309/* EXTPROTO */
1310void 1487void
1311rxvt_scr_insdel_chars(pR_ int count, int insdel) 1488rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1312{ 1489{
1313 int col, row;
1314 rend_t tr;
1315 text_t *stp;
1316 rend_t *srp;
1317 int16_t *slp;
1318
1319 R->want_refresh = 1; 1490 want_refresh = 1;
1320 ZERO_SCROLLBACK(R); 1491 ZERO_SCROLLBACK ();
1321#if 0
1322 RESET_CHSTAT(R);
1323#endif
1324 1492
1325#ifdef RXVT_GRAPHICS
1326 if (rxvt_Gr_Displayed(aR))
1327 rxvt_Gr_scroll(aR_ 0);
1328#endif
1329
1330 if (count <= 0) 1493 if (count <= 0)
1331 return; 1494 return;
1332 1495
1496 scr_do_wrap ();
1497
1333 rxvt_selection_check(aR_ 1); 1498 selection_check (1);
1334 MIN_IT(count, (R->TermWin.ncol - R->screen.cur.col)); 1499 min_it (count, ncol - screen.cur.col);
1335 1500
1336 row = R->screen.cur.row + R->TermWin.saveLines; 1501 int row = screen.cur.row;
1337 R->screen.flags &= ~Screen_WrapNext;
1338 1502
1339 stp = R->screen.text[row]; 1503 line_t *line = &ROW(row);
1340 srp = R->screen.rend[row]; 1504
1341 slp = &(R->screen.tlen[row]); 1505 line->touch ();
1506 line->is_longer (0);
1507
1508 // nuke wide spanning the start
1509 if (line->t[screen.cur.col] == NOCHAR)
1510 scr_kill_char (*line, screen.cur.col);
1511
1342 switch (insdel) { 1512 switch (insdel)
1513 {
1343 case INSERT: 1514 case INSERT:
1344 for (col = R->TermWin.ncol - 1; (col - count) >= R->screen.cur.col; 1515 line->l = min (line->l + count, ncol);
1345 col--) { 1516
1517 if (line->t[screen.cur.col] == NOCHAR)
1518 scr_kill_char (*line, screen.cur.col);
1519
1520 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1521 {
1346 stp[col] = stp[col - count]; 1522 line->t[col] = line->t[col - count];
1347 srp[col] = srp[col - count]; 1523 line->r[col] = line->r[col - count];
1348 } 1524 }
1349 if (*slp != -1) { 1525
1350 *slp += count;
1351 MIN_IT(*slp, R->TermWin.ncol);
1352 }
1353 if (R->selection.op && R->current_screen == R->selection.screen 1526 if (selection.op && current_screen == selection.screen
1354 && ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur)) { 1527 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1528 {
1355 if (R->selection.end.row != R->screen.cur.row 1529 if (selection.end.row != screen.cur.row
1356 || (R->selection.end.col + count >= R->TermWin.ncol)) 1530 || (selection.end.col + count >= ncol))
1357 CLEAR_SELECTION(R); 1531 CLEAR_SELECTION ();
1532 else
1533 {
1358 else { /* shift selection */ 1534 /* shift selection */
1359 R->selection.beg.col += count; 1535 selection.beg.col += count;
1360 R->selection.mark.col += count; /* XXX: yes? */ 1536 selection.mark.col += count; /* XXX: yes? */
1361 R->selection.end.col += count; 1537 selection.end.col += count;
1362 } 1538 }
1363 } 1539 }
1364 rxvt_blank_line(aR_ &(stp[R->screen.cur.col]), &(srp[R->screen.cur.col]), 1540
1365 (unsigned int)count, R->rstyle); 1541 scr_blank_line (*line, screen.cur.col, count, rstyle);
1366 break; 1542 break;
1543
1367 case ERASE: 1544 case ERASE:
1368 R->screen.cur.col += count; /* don't worry if > R->TermWin.ncol */ 1545 screen.cur.col += count; /* don't worry if > ncol */
1369 rxvt_selection_check(aR_ 1); 1546 selection_check (1);
1370 R->screen.cur.col -= count; 1547 screen.cur.col -= count;
1371 rxvt_blank_line(aR_ &(stp[R->screen.cur.col]), &(srp[R->screen.cur.col]), 1548
1372 (unsigned int)count, R->rstyle); 1549 // nuke wide char after the end
1550 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1551 scr_kill_char (*line, screen.cur.col + count);
1552
1553 scr_blank_line (*line, screen.cur.col, count, rstyle);
1373 break; 1554 break;
1555
1374 case DELETE: 1556 case DELETE:
1375 tr = srp[R->TermWin.ncol - 1] 1557 line->l = max (line->l - count, 0);
1376 & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1558
1559 // nuke wide char spanning the end
1560 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1561 scr_kill_char (*line, screen.cur.col + count);
1562
1377 for (col = R->screen.cur.col; (col + count) < R->TermWin.ncol; col++) { 1563 for (int col = screen.cur.col; (col + count) < ncol; col++)
1564 {
1378 stp[col] = stp[col + count]; 1565 line->t[col] = line->t[col + count];
1379 srp[col] = srp[col + count]; 1566 line->r[col] = line->r[col + count];
1380 } 1567 }
1381 rxvt_blank_line(aR_ 1568
1382 &(stp[R->TermWin.ncol - count]), 1569 scr_blank_line (*line, ncol - count, count, rstyle);
1383 &(srp[R->TermWin.ncol - count]), 1570
1384 (unsigned int)count, tr);
1385 if (*slp == -1) /* break line continuation */
1386 *slp = R->TermWin.ncol;
1387 *slp -= count;
1388 MAX_IT(*slp, 0);
1389 if (R->selection.op && R->current_screen == R->selection.screen 1571 if (selection.op && current_screen == selection.screen
1390 && ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur)) { 1572 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1573 {
1391 if (R->selection.end.row != R->screen.cur.row 1574 if (selection.end.row != screen.cur.row
1392 || (R->screen.cur.col >= R->selection.beg.col - count) 1575 || (screen.cur.col >= selection.beg.col - count)
1393 || R->selection.end.col >= R->TermWin.ncol) 1576 || selection.end.col >= ncol)
1394 CLEAR_SELECTION(R); 1577 CLEAR_SELECTION ();
1395 else { 1578 else
1579 {
1396 /* shift selection */ 1580 /* shift selection */
1397 R->selection.beg.col -= count; 1581 selection.beg.col -= count;
1398 R->selection.mark.col -= count; /* XXX: yes? */ 1582 selection.mark.col -= count; /* XXX: yes? */
1399 R->selection.end.col -= count; 1583 selection.end.col -= count;
1400 } 1584 }
1401 } 1585 }
1586
1402 break; 1587 break;
1403 } 1588 }
1404} 1589}
1405 1590
1406/* ------------------------------------------------------------------------- */ 1591/* ------------------------------------------------------------------------- */
1407/* 1592/*
1408 * Set the scrolling region 1593 * Set the scrolling region
1409 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1594 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1410 */ 1595 */
1411/* EXTPROTO */
1412void 1596void
1413rxvt_scr_scroll_region(pR_ int top, int bot) 1597rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1414{ 1598{
1415 MAX_IT(top, 0); 1599 max_it (top, 0);
1416 MIN_IT(bot, (int)R->TermWin.nrow - 1); 1600 min_it (bot, nrow - 1);
1601
1417 if (top > bot) 1602 if (top > bot)
1418 return; 1603 return;
1604
1419 R->screen.tscroll = top; 1605 screen.tscroll = top;
1420 R->screen.bscroll = bot; 1606 screen.bscroll = bot;
1421 rxvt_scr_gotorc(aR_ 0, 0, 0); 1607 scr_gotorc (0, 0, 0);
1422} 1608}
1423 1609
1424/* ------------------------------------------------------------------------- */ 1610/* ------------------------------------------------------------------------- */
1425/* 1611/*
1426 * Make the cursor visible/invisible 1612 * Make the cursor visible/invisible
1427 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1613 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1428 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1614 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1429 */ 1615 */
1430/* EXTPROTO */
1431void 1616void
1432rxvt_scr_cursor_visible(pR_ int mode) 1617rxvt_term::scr_cursor_visible (int mode) NOTHROW
1433{ 1618{
1434 R->want_refresh = 1; 1619 want_refresh = 1;
1620
1435 if (mode) 1621 if (mode)
1436 R->screen.flags |= Screen_VisibleCursor; 1622 screen.flags |= Screen_VisibleCursor;
1437 else 1623 else
1438 R->screen.flags &= ~Screen_VisibleCursor; 1624 screen.flags &= ~Screen_VisibleCursor;
1439} 1625}
1440 1626
1441/* ------------------------------------------------------------------------- */ 1627/* ------------------------------------------------------------------------- */
1442/* 1628/*
1443 * Set/unset automatic wrapping 1629 * Set/unset automatic wrapping
1444 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1630 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1445 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1631 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1446 */ 1632 */
1447/* EXTPROTO */
1448void 1633void
1449rxvt_scr_autowrap(pR_ int mode) 1634rxvt_term::scr_autowrap (int mode) NOTHROW
1450{ 1635{
1451 if (mode) 1636 if (mode)
1452 R->screen.flags |= Screen_Autowrap; 1637 screen.flags |= Screen_Autowrap;
1453 else 1638 else
1454 R->screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1639 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1455} 1640}
1456 1641
1457/* ------------------------------------------------------------------------- */ 1642/* ------------------------------------------------------------------------- */
1458/* 1643/*
1459 * Set/unset margin origin mode 1644 * Set/unset margin origin mode
… …
1462 * Relative mode: line numbers are relative to top margin of scrolling region 1647 * Relative mode: line numbers are relative to top margin of scrolling region
1463 * and the cursor cannot be moved outside. 1648 * and the cursor cannot be moved outside.
1464 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1649 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1465 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1650 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1466 */ 1651 */
1467/* EXTPROTO */
1468void 1652void
1469rxvt_scr_relative_origin(pR_ int mode) 1653rxvt_term::scr_relative_origin (int mode) NOTHROW
1470{ 1654{
1471 if (mode) 1655 if (mode)
1472 R->screen.flags |= Screen_Relative; 1656 screen.flags |= Screen_Relative;
1473 else 1657 else
1474 R->screen.flags &= ~Screen_Relative; 1658 screen.flags &= ~Screen_Relative;
1659
1475 rxvt_scr_gotorc(aR_ 0, 0, 0); 1660 scr_gotorc (0, 0, 0);
1476} 1661}
1477 1662
1478/* ------------------------------------------------------------------------- */ 1663/* ------------------------------------------------------------------------- */
1479/* 1664/*
1480 * Set insert/replace mode 1665 * Set insert/replace mode
1481 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1666 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1482 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1667 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1483 */ 1668 */
1484/* EXTPROTO */
1485void 1669void
1486rxvt_scr_insert_mode(pR_ int mode) 1670rxvt_term::scr_insert_mode (int mode) NOTHROW
1487{ 1671{
1488 if (mode) 1672 if (mode)
1489 R->screen.flags |= Screen_Insert; 1673 screen.flags |= Screen_Insert;
1490 else 1674 else
1491 R->screen.flags &= ~Screen_Insert; 1675 screen.flags &= ~Screen_Insert;
1492} 1676}
1493 1677
1494/* ------------------------------------------------------------------------- */ 1678/* ------------------------------------------------------------------------- */
1495/* 1679/*
1496 * Set/Unset tabs 1680 * Set/Unset tabs
1497 * XTERM_SEQ: Set tab at current column : ESC H 1681 * XTERM_SEQ: Set tab at current column : ESC H
1498 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1682 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1499 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1683 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1500 */ 1684 */
1501/* EXTPROTO */
1502void 1685void
1503rxvt_scr_set_tab(pR_ int mode) 1686rxvt_term::scr_set_tab (int mode) NOTHROW
1504{ 1687{
1505 if (mode < 0) 1688 if (mode < 0)
1506 MEMSET(R->tabs, 0, R->TermWin.ncol * sizeof(char)); 1689 memset (tabs, 0, ncol);
1507 else if (R->screen.cur.col < R->TermWin.ncol) 1690 else if (screen.cur.col < ncol)
1508 R->tabs[R->screen.cur.col] = (mode ? 1 : 0); 1691 tabs [screen.cur.col] = !!mode;
1509} 1692}
1510 1693
1511/* ------------------------------------------------------------------------- */ 1694/* ------------------------------------------------------------------------- */
1512/* 1695/*
1513 * Set reverse/normal video 1696 * Set reverse/normal video
1514 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1697 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1515 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1698 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1516 */ 1699 */
1517/* EXTPROTO */
1518void 1700void
1519rxvt_scr_rvideo_mode(pR_ int mode) 1701rxvt_term::scr_rvideo_mode (bool on) NOTHROW
1520{ 1702{
1703 rvideo_mode = on;
1704
1705#ifndef NO_BELL
1706 on ^= rvideo_bell;
1707#endif
1708
1709 if (rvideo_state != on)
1710 {
1711 rvideo_state = on;
1712
1713 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1714#ifdef HAVE_BG_PIXMAP
1715 if (bg_pixmap == None)
1716#endif
1717 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1718
1521 XGCValues gcvalue; 1719 XGCValues gcvalue;
1522
1523 if (R->rvideo != mode) {
1524 R->rvideo = mode;
1525 SWAP_IT(R->PixColors[Color_fg], R->PixColors[Color_bg], rxvt_color);
1526#if defined(XPM_BACKGROUND)
1527 if (R->bgPixmap.pixmap == None)
1528#endif
1529#if defined(TRANSPARENT)
1530 if (!(R->Options & Opt_transparent) || R->am_transparent == 0)
1531#endif
1532 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1533 R->PixColors[Color_bg]);
1534
1535 gcvalue.foreground = R->PixColors[Color_fg]; 1720 gcvalue.foreground = pix_colors[Color_fg];
1536 gcvalue.background = R->PixColors[Color_bg]; 1721 gcvalue.background = pix_colors[Color_bg];
1537 XChangeGC(R->Xdisplay, R->TermWin.gc, GCBackground | GCForeground, 1722 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1538 &gcvalue); 1723
1539 rxvt_scr_clear(aR); 1724 scr_clear ();
1540 rxvt_scr_touch(aR_ True); 1725 scr_touch (true);
1541 } 1726 }
1542} 1727}
1543 1728
1544/* ------------------------------------------------------------------------- */ 1729/* ------------------------------------------------------------------------- */
1545/* 1730/*
1546 * Report current cursor position 1731 * Report current cursor position
1547 * XTERM_SEQ: Report position: ESC [ 6 n 1732 * XTERM_SEQ: Report position: ESC [ 6 n
1548 */ 1733 */
1549/* EXTPROTO */
1550void 1734void
1551rxvt_scr_report_position(pR) 1735rxvt_term::scr_report_position () NOTHROW
1552{ 1736{
1553 rxvt_tt_printf(aR_ "\033[%d;%dR", R->screen.cur.row + 1, 1737 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1554 R->screen.cur.col + 1);
1555} 1738}
1556 1739
1557/* ------------------------------------------------------------------------- * 1740/* ------------------------------------------------------------------------- *
1558 * FONTS * 1741 * FONTS *
1559 * ------------------------------------------------------------------------- */ 1742 * ------------------------------------------------------------------------- */
1560 1743
1561/* 1744/*
1562 * Set font style 1745 * Set font style
1563 */ 1746 */
1564/* INTPROTO */
1565void 1747void
1566rxvt_set_font_style(pR) 1748rxvt_term::set_font_style () NOTHROW
1567{ 1749{
1750#if 0
1568 switch (R->charsets[R->screen.charset]) { 1751 switch (charsets [screen.charset])
1752 {
1569 case '0': /* DEC Special Character & Line Drawing Set */ 1753 case '0': /* DEC Special Character & Line Drawing Set */
1570 break; 1754 break;
1571 case 'A': /* United Kingdom (UK) */ 1755 case 'A': /* United Kingdom (UK) */
1572 break; 1756 break;
1573 case 'B': /* United States (USASCII) */ 1757 case 'B': /* United States (USASCII) */
1574 break; 1758 break;
1575 case '<': /* Multinational character set */ 1759 case '<': /* Multinational character set */
1576 break; 1760 break;
1577 case '5': /* Finnish character set */ 1761 case '5': /* Finnish character set */
1578 break; 1762 break;
1579 case 'C': /* Finnish character set */ 1763 case 'C': /* Finnish character set */
1580 break; 1764 break;
1581 case 'K': /* German character set */ 1765 case 'K': /* German character set */
1582 break; 1766 break;
1583 } 1767 }
1768#endif
1584} 1769}
1585 1770
1586/* ------------------------------------------------------------------------- */ 1771/* ------------------------------------------------------------------------- */
1587/* 1772/*
1588 * Choose a font 1773 * Choose a font
1589 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1774 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1590 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1775 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1591 * XTERM_SEQ: Invoke G2 character set: ESC N 1776 * XTERM_SEQ: Invoke G2 character set: ESC N
1592 * XTERM_SEQ: Invoke G3 character set: ESC O 1777 * XTERM_SEQ: Invoke G3 character set: ESC O
1593 */ 1778 */
1594/* EXTPROTO */
1595void 1779void
1596rxvt_scr_charset_choose(pR_ int set) 1780rxvt_term::scr_charset_choose (int set) NOTHROW
1597{ 1781{
1598 R->screen.charset = set; 1782 screen.charset = set;
1599 rxvt_set_font_style(aR); 1783 set_font_style ();
1600} 1784}
1601 1785
1602/* ------------------------------------------------------------------------- */ 1786/* ------------------------------------------------------------------------- */
1603/* 1787/*
1604 * Set a font 1788 * Set a font
… …
1606 * XTERM_SEQ: Set G1 character set: ESC ) <C> 1790 * XTERM_SEQ: Set G1 character set: ESC ) <C>
1607 * XTERM_SEQ: Set G2 character set: ESC * <C> 1791 * XTERM_SEQ: Set G2 character set: ESC * <C>
1608 * XTERM_SEQ: Set G3 character set: ESC + <C> 1792 * XTERM_SEQ: Set G3 character set: ESC + <C>
1609 * See set_font_style for possible values for <C> 1793 * See set_font_style for possible values for <C>
1610 */ 1794 */
1611/* EXTPROTO */
1612void 1795void
1613rxvt_scr_charset_set(pR_ int set, unsigned int ch) 1796rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1614{ 1797{
1615 R->charsets[set] = (unsigned char)ch; 1798 charsets[set] = (unsigned char)ch;
1616 rxvt_set_font_style(aR); 1799 set_font_style ();
1617} 1800}
1618 1801
1619
1620/* ------------------------------------------------------------------------- *
1621 * GRAPHICS COLOURS *
1622 * ------------------------------------------------------------------------- */
1623
1624#ifdef RXVT_GRAPHICS
1625/* EXTPROTO */
1626int
1627rxvt_scr_get_fgcolor(pR)
1628{
1629 return GET_FGCOLOR(R->rstyle);
1630}
1631
1632/* ------------------------------------------------------------------------- */
1633/* EXTPROTO */
1634int
1635rxvt_scr_get_bgcolor(pR)
1636{
1637 return GET_BGCOLOR(R->rstyle);
1638}
1639#endif
1640 1802
1641/* ------------------------------------------------------------------------- * 1803/* ------------------------------------------------------------------------- *
1642 * MAJOR SCREEN MANIPULATION * 1804 * MAJOR SCREEN MANIPULATION *
1643 * ------------------------------------------------------------------------- */ 1805 * ------------------------------------------------------------------------- */
1644 1806
1645/* 1807/*
1808 * refresh matching text.
1809 */
1810bool
1811rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1812{
1813 bool found = false;
1814
1815 for (int i = 0; i < nrow; i++)
1816 {
1817 rend_t *drp = drawn_buf[i].r;
1818
1819 for (int col = 0; col < ncol; col++, drp++)
1820 if ((*drp & mask) == value)
1821 {
1822 found = true;
1823 *drp = ~value;
1824 }
1825 }
1826
1827 return found;
1828}
1829
1830/*
1646 * Refresh an area 1831 * Refresh an area
1647 */ 1832 */
1648enum { 1833enum {
1649 PART_BEG = 0, 1834 PART_BEG = 0,
1650 PART_END, 1835 PART_END,
1651 RC_COUNT 1836 RC_COUNT
1652}; 1837};
1653 1838
1654/* EXTPROTO */
1655void 1839void
1656rxvt_scr_expose(pR_ int x, int y, int width, int height, Bool refresh) 1840rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1657{ 1841{
1658 int i; 1842 int i;
1659 row_col_t rc[RC_COUNT]; 1843 row_col_t rc[RC_COUNT];
1660 1844
1661 if (R->drawn_text == NULL) /* sanity check */ 1845 if (!drawn_buf) /* sanity check */
1662 return; 1846 return;
1663 1847
1664#ifdef DEBUG_STRICT 1848#ifndef NO_SLOW_LINK_SUPPORT
1665 x = max(x, (int)R->TermWin.int_bwidth); 1849 if (refresh_type == FAST_REFRESH && !display->is_local)
1666 x = min(x, (int)R->TermWin.width); 1850 {
1667 y = max(y, (int)R->TermWin.int_bwidth); 1851 y = 0;
1668 y = min(y, (int)R->TermWin.height); 1852 eheight = height;
1853 }
1669#endif 1854#endif
1670 1855
1671/* round down */ 1856 /* round down */
1672 rc[PART_BEG].col = Pixel2Col(x); 1857 rc[PART_BEG].col = Pixel2Col (x);
1673 rc[PART_BEG].row = Pixel2Row(y); 1858 rc[PART_BEG].row = Pixel2Row (y);
1674/* round up */ 1859 /* round up */
1675 rc[PART_END].col = Pixel2Width(x + width + R->TermWin.fwidth - 1); 1860 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1676 rc[PART_END].row = Pixel2Row(y + height + R->TermWin.fheight - 1); 1861 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1677 1862
1678/* sanity checks */ 1863 /* sanity checks */
1679 for (i = PART_BEG; i < RC_COUNT; i++) { 1864 for (i = PART_BEG; i < RC_COUNT; i++)
1680 MIN_IT(rc[i].col, R->TermWin.ncol - 1);
1681 MIN_IT(rc[i].row, R->TermWin.nrow - 1);
1682 } 1865 {
1866 min_it (rc[i].col, ncol - 1);
1867 min_it (rc[i].row, nrow - 1);
1868 }
1683 1869
1684 D_SCREEN((stderr, "rxvt_scr_expose(x:%d, y:%d, w:%d, h:%d) area (c:%d,r:%d)-(c:%d,r:%d)", x, y, width, height, rc[PART_BEG].col, rc[PART_BEG].row, rc[PART_END].col, rc[PART_END].row));
1685
1686 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1870 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1687 fill_text (&(R->drawn_text[i][rc[PART_BEG].col]), 0, 1871 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1688 (rc[PART_END].col - rc[PART_BEG].col + 1));
1689 1872
1873 num_scr_allow = 0;
1874
1690 if (refresh) 1875 if (refresh)
1691 rxvt_scr_refresh(aR_ SLOW_REFRESH | REFRESH_BOUNDS); 1876 scr_refresh ();
1692} 1877}
1693 1878
1694/* ------------------------------------------------------------------------- */ 1879/* ------------------------------------------------------------------------- */
1695/* 1880/*
1696 * Refresh the entire screen 1881 * Refresh the entire screen
1697 */ 1882 */
1698/* EXTPROTO */
1699void 1883void
1700rxvt_scr_touch(pR_ Bool refresh) 1884rxvt_term::scr_touch (bool refresh) NOTHROW
1701{ 1885{
1702 rxvt_scr_expose(aR_ 0, 0, R->TermWin.width, R->TermWin.height, refresh); 1886 scr_expose (0, 0, vt_width, vt_height, refresh);
1703} 1887}
1704 1888
1705/* ------------------------------------------------------------------------- */ 1889/* ------------------------------------------------------------------------- */
1706/* 1890/*
1707 * Move the display so that the line represented by scrollbar value Y is at 1891 * Move the display so that the line represented by scrollbar value Y is at
1708 * the top of the screen 1892 * the top of the screen
1709 */ 1893 */
1710/* EXTPROTO */ 1894void
1711int
1712rxvt_scr_move_to(pR_ int y, int len) 1895rxvt_term::scr_move_to (int y, int len) NOTHROW
1713{ 1896{
1714 long p = 0; 1897 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1715 uint16_t oldviewstart;
1716
1717 oldviewstart = R->TermWin.view_start;
1718 if (y < len) {
1719 p = (R->TermWin.nrow + R->TermWin.nscrolled) * (len - y) / len;
1720 p -= (long)(R->TermWin.nrow - 1);
1721 p = max(p, 0);
1722 }
1723 R->TermWin.view_start = (uint16_t)min(p, R->TermWin.nscrolled);
1724 D_SCREEN((stderr, "rxvt_scr_move_to(%d, %d) view_start:%d", y, len, R->TermWin.view_start));
1725
1726 return rxvt_scr_changeview(aR_ oldviewstart);
1727} 1898}
1728 1899
1729/* ------------------------------------------------------------------------- */ 1900/* ------------------------------------------------------------------------- */
1730/* 1901/*
1731 * Page the screen up/down nlines 1902 * Page the screen up/down nlines
1732 * direction should be UP or DN 1903 * direction should be UP or DN
1733 */ 1904 */
1734/* EXTPROTO */ 1905bool
1735int
1736rxvt_scr_page(pR_ enum page_dirn direction, int nlines) 1906rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1737{ 1907{
1738 int n; 1908 int new_view_start =
1739 uint16_t oldviewstart; 1909 direction == UP ? view_start - nlines
1910 : view_start + nlines;
1740 1911
1741 D_SCREEN((stderr, "rxvt_scr_page(%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, R->TermWin.view_start));
1742#ifdef DEBUG_STRICT
1743 assert((nlines >= 0) && (nlines <= R->TermWin.nrow));
1744#endif
1745 oldviewstart = R->TermWin.view_start;
1746 if (direction == UP) {
1747 n = R->TermWin.view_start + nlines;
1748 R->TermWin.view_start = min(n, R->TermWin.nscrolled);
1749 } else {
1750 n = R->TermWin.view_start - nlines;
1751 R->TermWin.view_start = max(n, 0);
1752 }
1753 return rxvt_scr_changeview(aR_ oldviewstart); 1912 return scr_changeview (new_view_start);
1754} 1913}
1755 1914
1756/* INTPROTO */ 1915bool
1757int 1916rxvt_term::scr_changeview (int new_view_start) NOTHROW
1758rxvt_scr_changeview(pR_ uint16_t oldviewstart)
1759{ 1917{
1760 if (R->TermWin.view_start != oldviewstart) { 1918 clamp_it (new_view_start, top_row, 0);
1919
1920 if (new_view_start == view_start)
1921 return false;
1922
1923 num_scr += new_view_start - view_start;
1924 view_start = new_view_start;
1761 R->want_refresh = 1; 1925 want_refresh = 1;
1762#ifdef RXVT_GRAPHICS
1763 if (rxvt_Gr_Displayed(aR))
1764 rxvt_Gr_scroll(aR_ 0);
1765#endif
1766 R->num_scr -= (R->TermWin.view_start - oldviewstart);
1767 }
1768 return (int)(R->TermWin.view_start - oldviewstart);
1769}
1770 1926
1771/* ------------------------------------------------------------------------- */ 1927 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1772/* EXTPROTO */ 1928
1773void 1929 return true;
1774rxvt_scr_bell(pR) 1930}
1775{ 1931
1776#ifndef NO_BELL 1932#ifndef NO_BELL
1933void
1934rxvt_term::bell_cb (ev::timer &w, int revents)
1935{
1936 rvideo_bell = false;
1937 scr_rvideo_mode (rvideo_mode);
1938 refresh_check ();
1939}
1940#endif
1941
1942/* ------------------------------------------------------------------------- */
1943void
1944rxvt_term::scr_bell () NOTHROW
1945{
1946#ifndef NO_BELL
1947
1777# ifndef NO_MAPALERT 1948# ifndef NO_MAPALERT
1778# ifdef MAPALERT_OPTION 1949# ifdef MAPALERT_OPTION
1779 if (R->Options & Opt_mapAlert) 1950 if (option (Opt_mapAlert))
1780# endif 1951# endif
1781 XMapWindow(R->Xdisplay, R->TermWin.parent[0]); 1952 XMapWindow (dpy, parent);
1782# endif 1953# endif
1783 if (R->Options & Opt_visualBell) { 1954
1784 rxvt_scr_rvideo_mode(aR_ !R->rvideo); /* refresh also done */ 1955# if ENABLE_FRILLS
1785 rxvt_scr_rvideo_mode(aR_ !R->rvideo); /* refresh also done */ 1956 if (option (Opt_urgentOnBell))
1786 } else 1957 set_urgency (1);
1787 XBell(R->Xdisplay, 0);
1788#endif 1958# endif
1789}
1790 1959
1960 if (option (Opt_visualBell))
1961 {
1962 rvideo_bell = true;
1963 scr_rvideo_mode (rvideo_mode);
1964 flush ();
1965
1966 bell_ev.start (VISUAL_BELL_DURATION);
1967 }
1968 else
1969 XBell (dpy, 0);
1970 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1971#endif
1972}
1973
1791/* ------------------------------------------------------------------------- */ 1974/* ------------------------------------------------------------------------- */
1792/* ARGSUSED */
1793/* EXTPROTO */
1794void 1975void
1795rxvt_scr_printscreen(pR_ int fullhist) 1976rxvt_term::scr_printscreen (int fullhist) NOTHROW
1796{ 1977{
1797#ifdef PRINTPIPE 1978#ifdef PRINTPIPE
1798 int i, r1, nrows, row_offset; 1979 int nrows, row_start;
1799 text_t *t; 1980 FILE *fd = popen_printer ();
1800 FILE *fd;
1801 1981
1802 if ((fd = rxvt_popen_printer(aR)) == NULL) 1982 if (!fd)
1803 return; 1983 return;
1804 nrows = R->TermWin.nrow; 1984
1805 row_offset = R->TermWin.saveLines;
1806 if (!fullhist) 1985 if (fullhist)
1807 row_offset -= R->TermWin.view_start;
1808 else {
1809 nrows += R->TermWin.nscrolled;
1810 row_offset -= R->TermWin.nscrolled;
1811 } 1986 {
1812 1987 nrows = nrow - top_row;
1813 for (r1 = 0; r1 < nrows; r1++) { 1988 row_start = top_row;
1814 t = R->screen.text[r1 + row_offset]; 1989 }
1815 for (i = R->TermWin.ncol - 1; i >= 0; i--) 1990 else
1816 if (!isspace(t[i]))
1817 break;
1818 fprintf(fd, "%.*s\n", (i + 1), t);
1819 } 1991 {
1992 nrows = nrow;
1993 row_start = view_start;
1994 }
1995
1996 wctomb (0, 0);
1997
1998 for (int r1 = row_start; r1 < row_start + nrows; r1++)
1999 {
2000 text_t *tp = ROW(r1).t;
2001 int len = ROW(r1).l;
2002
2003 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
2004 {
2005 char mb[MB_LEN_MAX];
2006 text_t t = *tp++;
2007 if (t == NOCHAR)
2008 continue;
2009
2010 len = wctomb (mb, t);
2011
2012 if (len <= 0)
2013 {
2014 mb[0] = ' ';
2015 len = 1;
2016 }
2017
2018 fwrite (mb, 1, len, fd);
2019 }
2020
2021 fputc ('\n', fd);
2022 }
2023
1820 rxvt_pclose_printer(fd); 2024 pclose_printer (fd);
1821#endif 2025#endif
1822} 2026}
1823 2027
1824/* ------------------------------------------------------------------------- */ 2028/* ------------------------------------------------------------------------- */
1825/* 2029/*
1826 * Refresh the screen 2030 * Refresh the screen
1827 * R->drawn_text/R->drawn_rend contain the screen information before the update. 2031 * drawn_text/drawn_rend contain the screen information before the update.
1828 * R->screen.text/R->screen.rend contain what the screen will change to. 2032 * screen.text/screen.rend contain what the screen will change to.
2033 */
2034void
2035rxvt_term::scr_refresh () NOTHROW
2036{
2037 int16_t col, row, /* column/row we're processing */
2038 ocrow; /* old cursor row */
2039 int i; /* tmp */
2040#ifndef NO_CURSORCOLOR
2041 rend_t cc1; /* store colours at cursor position (s) */
2042#endif
2043 rend_t *crp; // cursor rendition pointer
2044 rend_t ccol1, /* Cursor colour */
2045 ccol2; /* Cursor colour2 */
2046
2047 want_refresh = 0; /* screen is current */
2048
2049 if (refresh_type == NO_REFRESH || !mapped)
2050 return;
2051
2052 /*
2053 * A: set up vars
1829 */ 2054 */
2055 refresh_count = 0;
1830 2056
1831#if defined (NO_BRIGHTCOLOR) || defined (VERYBOLD) 2057 unsigned int old_screen_flags = screen.flags;
1832# define MONO_BOLD(x) ((x) & (RS_Bold|RS_Blink)) 2058 bool have_bg = 0;
1833# define MONO_BOLD_FG(x, fg) MONO_BOLD(x) 2059#ifdef HAVE_BG_PIXMAP
2060 have_bg = bg_pixmap != None;
2061#endif
2062 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2063
2064 /*
2065 * B: reverse any characters which are selected
2066 */
2067 scr_reverse_selection ();
2068
2069 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2070#if ENABLE_OVERLAY
2071 scr_swap_overlay ();
2072#endif
2073
2074 bool showcursor = screen.flags & Screen_VisibleCursor;
2075
2076 /*
2077 * C: set the cursor character (s)
2078 */
2079 {
2080 bool setoldcursor;
2081
2082#ifdef CURSOR_BLINK
2083 if (hidden_cursor)
2084 showcursor = 0;
2085#endif
2086
2087 if (showcursor)
2088 {
2089 int col = screen.cur.col;
2090
2091 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2092 col--;
2093
2094 crp = &ROW(screen.cur.row).r[col];
2095
2096#ifndef NO_CURSORCOLOR
2097 cc1 = *crp & (RS_fgMask | RS_bgMask);
2098 if (ISSET_PIXCOLOR (Color_cursor))
2099 ccol1 = Color_cursor;
2100 else
2101#endif
2102#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2103 ccol1 = fgcolor_of (rstyle);
1834#else 2104#else
1835# define MONO_BOLD(x) \ 2105 ccol1 = Color_fg;
1836 (((x) & (RS_Bold | RS_fgMask)) == (RS_Bold | Color_fg))
1837# define MONO_BOLD_FG(x, fg) (((x) & RS_Bold) && (fg) == Color_fg)
1838#endif 2106#endif
1839 2107
1840#define FONT_WIDTH(X, Y) \
1841 (X)->per_char[(Y) - (X)->min_char_or_byte2].width
1842#define FONT_RBEAR(X, Y) \
1843 (X)->per_char[(Y) - (X)->min_char_or_byte2].rbearing
1844#define FONT_LBEAR(X, Y) \
1845 (X)->per_char[(Y) - (X)->min_char_or_byte2].lbearing
1846#define IS_FONT_CHAR(X, Y) \
1847 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
1848
1849/* EXTPROTO */
1850void
1851rxvt_scr_refresh(pR_ unsigned char refresh_type)
1852{
1853 unsigned char clearfirst, /* first character writes before cell */
1854 clearlast, /* last character writes beyond cell */
1855 must_clear, /* use draw_string not draw_image_string */
1856#ifndef NO_BOLDFONT
1857 bfont, /* we've changed font to bold font */
1858#endif
1859 rvid, /* reverse video this position */
1860 wbyte, /* we're in multibyte */
1861 showcursor; /* show the cursor */
1862 int fore, back; /* desired foreground/background */
1863 int16_t col, row, /* column/row we're processing */
1864 ocrow; /* old cursor row */
1865 int cursorwidth;
1866 int i, /* tmp */
1867 row_offset; /* basic offset in screen structure */
1868#ifndef NO_CURSORCOLOR 2108#ifndef NO_CURSORCOLOR
1869 rend_t cc1; /* store colours at cursor position(s) */
1870 rend_t cc2; /* store colours at cursor position(s) */
1871#endif
1872 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */
1873 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
1874 char *buffer; /* local copy of R->buffer */
1875
1876 if (refresh_type == NO_REFRESH || !R->TermWin.mapped)
1877 return;
1878
1879 /*
1880 * A: set up vars
1881 */
1882 clearfirst = clearlast = must_clear = wbyte = 0;
1883#ifndef NO_BOLDFONT
1884 bfont = 0;
1885#endif
1886
1887 if (R->currmaxcol < R->TermWin.ncol)
1888 {
1889 R->currmaxcol = R->TermWin.ncol;
1890 R->buffer = (char *)rxvt_realloc (R->buffer,
1891 sizeof(char) * (R->currmaxcol + 1) * MB_CUR_MAX);
1892 }
1893
1894 buffer = R->buffer;
1895 R->refresh_count = 0;
1896
1897 row_offset = R->TermWin.saveLines - R->TermWin.view_start;
1898
1899 if ((refresh_type & REFRESH_BOUNDS))
1900 {
1901 clearfirst = clearlast = 1;
1902 R->refresh_type &= ~REFRESH_BOUNDS;
1903 }
1904
1905#if defined(XPM_BACKGROUND)
1906 must_clear |= (R->bgPixmap.pixmap != None);
1907#endif
1908#if defined(TRANSPARENT)
1909 must_clear |= ((R->Options & Opt_transparent) && R->am_transparent);
1910#endif
1911 ocrow = R->oldcursor.row; /* is there an old outline cursor on screen? */
1912
1913/*
1914 * B: reverse any characters which are selected
1915 */
1916 rxvt_scr_reverse_selection(aR);
1917
1918/*
1919 * C: set the cursor character(s)
1920 */
1921 {
1922 unsigned char setoldcursor;
1923 rend_t ccol1, /* Cursor colour */
1924 ccol2; /* Cursor colour2 */
1925
1926 showcursor = (R->screen.flags & Screen_VisibleCursor);
1927 cursorwidth = 0;
1928#ifdef CURSOR_BLINK
1929 if (R->hidden_cursor)
1930 showcursor = 0;
1931#endif
1932
1933 cursorwidth = 0;
1934
1935 if (showcursor)
1936 {
1937 cursorwidth++;
1938
1939 srp = &(R->screen.rend[R->screen.cur.row + R->TermWin.saveLines]
1940 [R->screen.cur.col]);
1941
1942 if (showcursor && R->TermWin.focus)
1943 {
1944 *srp ^= RS_RVid;
1945#ifndef NO_CURSORCOLOR
1946 cc1 = *srp & (RS_fgMask | RS_bgMask);
1947 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_cursor)) 2109 if (ISSET_PIXCOLOR (Color_cursor2))
1948 ccol1 = Color_cursor; 2110 ccol2 = Color_cursor2;
1949 else 2111 else
2112#endif
1950#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2113#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1951 ccol1 = GET_FGCOLOR(R->rstyle); 2114 ccol2 = bgcolor_of (rstyle);
1952#else 2115#else
1953 ccol1 = Color_fg; 2116 ccol2 = Color_bg;
1954#endif 2117#endif
1955 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_cursor2)) 2118
1956 ccol2 = Color_cursor2; 2119 if (focus)
2120 {
2121 if (option (Opt_cursorUnderline))
2122 *crp ^= RS_Uline;
1957 else 2123 else
1958#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2124 {
1959 ccol2 = GET_BGCOLOR(R->rstyle); 2125 *crp ^= RS_RVid;
1960#else
1961 ccol2 = Color_bg;
1962#endif
1963 *srp = SET_FGCOLOR(*srp, ccol1); 2126 *crp = SET_FGCOLOR (*crp, ccol1);
1964 *srp = SET_BGCOLOR(*srp, ccol2); 2127 *crp = SET_BGCOLOR (*crp, ccol2);
1965#endif
1966 }
1967
1968 while (IS_WIDE (*srp))
1969 cursorwidth++, srp++;
1970 }
1971
1972 /* make sure no outline cursor is left around */
1973 setoldcursor = 0;
1974 if (ocrow != -1) {
1975 if (R->screen.cur.row + R->TermWin.view_start != ocrow
1976 || R->screen.cur.col != R->oldcursor.col) {
1977 if (ocrow < R->TermWin.nrow
1978 && R->oldcursor.col < R->TermWin.ncol) {
1979 R->drawn_rend[ocrow][R->oldcursor.col] ^= (RS_RVid | RS_Uline);
1980 } 2128 }
1981 if (R->TermWin.focus || !showcursor)
1982 R->oldcursor.row = -1;
1983 else
1984 setoldcursor = 1;
1985 }
1986 } else if (!R->TermWin.focus)
1987 setoldcursor = 1;
1988 if (setoldcursor) {
1989 if (R->screen.cur.row + R->TermWin.view_start >= R->TermWin.nrow)
1990 R->oldcursor.row = -1;
1991 else {
1992 R->oldcursor.row = R->screen.cur.row + R->TermWin.view_start;
1993 R->oldcursor.col = R->screen.cur.col;
1994 } 2129 }
1995 } 2130 }
2131
2132 /* make sure no outline cursor is left around */
2133 setoldcursor = 0;
2134 if (ocrow != -1)
2135 {
2136 if (screen.cur.row - view_start != ocrow
2137 || screen.cur.col != oldcursor.col)
2138 {
2139 if (ocrow < nrow
2140 && oldcursor.col < ncol)
2141 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2142
2143 if (focus || !showcursor)
2144 oldcursor.row = -1;
2145 else
2146 setoldcursor = 1;
2147 }
1996 } 2148 }
2149 else if (!focus)
2150 setoldcursor = 1;
2151
2152 if (setoldcursor)
2153 {
2154 if (screen.cur.row - view_start >= nrow)
2155 oldcursor.row = -1;
2156 else
2157 {
2158 oldcursor.row = screen.cur.row - view_start;
2159 oldcursor.col = screen.cur.col;
2160 }
2161 }
2162 }
1997 2163
1998#ifndef NO_SLOW_LINK_SUPPORT 2164#ifndef NO_SLOW_LINK_SUPPORT
1999/* 2165 /*
2000 * D: CopyArea pass - very useful for slower links 2166 * D: CopyArea pass - very useful for slower links
2001 * This has been deliberately kept simple. 2167 * This has been deliberately kept simple.
2002 */ 2168 */
2003 i = R->num_scr; 2169 if (!display->is_local
2004 if (refresh_type == FAST_REFRESH && R->num_scr_allow && i 2170 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2005 && abs(i) < R->TermWin.nrow && !must_clear) 2171 && abs (num_scr) < nrow && !have_bg)
2006 { 2172 {
2007 int16_t nits; 2173 int16_t nits;
2008 int j; 2174 int i = num_scr;
2009 rend_t *drp2; 2175 int j;
2010 text_t *dtp2; 2176 int len, wlen;
2011 int len, wlen;
2012 2177
2013 j = R->TermWin.nrow; 2178 j = nrow;
2014 wlen = len = -1; 2179 wlen = len = -1;
2015 row = i > 0 ? 0 : j - 1; 2180 row = i > 0 ? 0 : j - 1;
2181
2016 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2182 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2017 { 2183 {
2018 if (row + i >= 0 && row + i < R->TermWin.nrow && row + i != ocrow) 2184 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2019 { 2185 {
2020 stp = R->screen.text[row + row_offset]; 2186 line_t s = ROW(view_start + row);
2021 srp = R->screen.rend[row + row_offset];
2022 dtp = R->drawn_text[row]; 2187 line_t d = drawn_buf[row];
2023 dtp2 = R->drawn_text[row + i]; 2188 line_t d2 = drawn_buf[row + i];
2024 drp = R->drawn_rend[row];
2025 drp2 = R->drawn_rend[row + i];
2026 2189
2027 for (nits = 0, col = R->TermWin.ncol; col--; ) 2190 for (nits = 0, col = ncol; col--; )
2028 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2191 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2029 nits--; 2192 nits--;
2030 else if (stp[col] != dtp[col] || srp[col] != drp[col]) 2193 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
2031 nits++; 2194 nits++;
2032 2195
2033 if (nits > 8) /* XXX: arbitrary choice */ 2196 if (nits > 8) /* XXX: arbitrary choice */
2197 {
2198 for (col = ncol; col--; )
2199 {
2200 *d.t++ = *d2.t++;
2201 *d.r++ = *d2.r++;
2202 }
2203
2204 if (len == -1)
2205 len = row;
2206
2207 wlen = row;
2208 continue;
2209 }
2210 }
2211
2212 if (len >= 0)
2213 {
2214 /* also comes here at end if needed because of >= above */
2215 if (wlen < len)
2216 ::swap (wlen, len);
2217
2218 XGCValues gcv;
2219
2220 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2221 XCopyArea (dpy, vt, vt,
2222 gc, 0, Row2Pixel (len + i),
2223 (unsigned int)this->width,
2224 (unsigned int)Height2Pixel (wlen - len + 1),
2225 0, Row2Pixel (len));
2226 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2227
2228 len = -1;
2229 }
2230 }
2231 }
2232#endif
2233
2234 /*
2235 * E: main pass across every character
2236 */
2237 for (row = 0; row < nrow; row++)
2238 {
2239 text_t *stp = ROW(view_start + row).t;
2240 rend_t *srp = ROW(view_start + row).r;
2241 text_t *dtp = drawn_buf[row].t;
2242 rend_t *drp = drawn_buf[row].r;
2243
2244 /*
2245 * E2: OK, now the real pass
2246 */
2247 int ypixel = (int)Row2Pixel (row);
2248
2249 for (col = 0; col < ncol; col++)
2250 {
2251 /* compare new text with old - if exactly the same then continue */
2252 if (stp[col] == dtp[col] /* Must match characters to skip. */
2253 && (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2254 || (stp[col] == ' ' /* space w/ no background change */
2255 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2256 continue;
2257
2258 // redraw one or more characters
2259
2260 // seek to the beginning of wide characters
2261 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2262 --col;
2263
2264 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2265 text_t *text = stp + col;
2266 int count = 1;
2267
2268 dtp[col] = stp[col];
2269 drp[col] = rend;
2270
2271 int xpixel = Col2Pixel (col);
2272
2273 for (i = 0; ++col < ncol; )
2274 {
2275 if (stp[col] == NOCHAR)
2276 {
2277 dtp[col] = stp[col];
2278 drp[col] = srp[col];
2279
2280 count++;
2281 i++;
2282
2283 continue;
2284 }
2285
2286 if (!RS_SAME (rend, srp[col]))
2287 break;
2288
2289 count++;
2290
2291 if (stp[col] != dtp[col]
2292 || !RS_SAME (srp[col], drp[col]))
2293 {
2294 if (have_bg && (i++ > count / 2))
2295 break;
2296
2297 dtp[col] = stp[col];
2298 drp[col] = rend;
2299 i = 0;
2300 }
2301 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2302 break;
2303 }
2304
2305 col--; /* went one too far. move back */
2306 count -= i; /* dump any matching trailing chars */
2307
2308 // sometimes we optimize away the trailing NOCHAR's, add them back
2309 while (ecb_unlikely (i && text[count] == NOCHAR))
2310 count++, i--;
2311
2312 /*
2313 * Determine the attributes for the string
2314 */
2315 int fore = fgcolor_of (rend); // desired foreground
2316 int back = bgcolor_of (rend); // desired background
2317
2318 // only do special processing if any attributes are set, which is unlikely
2319 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2320 {
2321 bool invert = rend & RS_RVid;
2322
2323#ifndef NO_BOLD_UNDERLINE_REVERSE
2324 if (rend & RS_Bold && fore == Color_fg)
2325 {
2326 if (ISSET_PIXCOLOR (Color_BD))
2327 fore = Color_BD;
2328# if !ENABLE_STYLES
2329 else
2330 invert = !invert;
2331# endif
2332 }
2333
2334 if (rend & RS_Italic && fore == Color_fg)
2335 {
2336 if (ISSET_PIXCOLOR (Color_IT))
2337 fore = Color_IT;
2338# if !ENABLE_STYLES
2339 else
2340 invert = !invert;
2341# endif
2342 }
2343
2344 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2345 fore = Color_UL;
2346#endif
2347
2348#ifdef OPTION_HC
2349 if (rend & RS_Sel)
2350 {
2351 /* invert the column if no highlightColor is set or it is the
2352 * current cursor column */
2353 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2354 && ISSET_PIXCOLOR (Color_HC))
2355 {
2356 if (ISSET_PIXCOLOR (Color_HTC))
2357 fore = Color_HTC;
2358 // if invert is 0 reverse video is set so we use bg color as fg color
2359 else if (!invert)
2360 fore = back;
2361
2362 back = Color_HC;
2363 invert = 0;
2364 }
2365 }
2366#endif
2367
2368 if (invert)
2369 {
2370 ::swap (fore, back);
2371
2372#ifndef NO_BOLD_UNDERLINE_REVERSE
2373 if (fore == back)
2374 {
2375 fore = Color_bg;
2376 back = Color_fg;
2377 }
2378#endif
2379 }
2380
2381#ifdef TEXT_BLINK
2382 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2383 {
2384 if (!text_blink_ev.is_active ())
2385 {
2386 text_blink_ev.again ();
2387 hidden_text = 0;
2388 }
2389 else if (hidden_text)
2390 fore = back;
2391 }
2392#endif
2393
2394#if ENABLE_STYLES
2395 // "careful" (too wide) character handling
2396
2397 // include previous careful character(s) if possible, looks nicer (best effort...)
2398 while (text > stp
2399 && srp[text - stp - 1] & RS_Careful
2400 && RS_SAME (rend, srp[text - stp - 1]))
2401 text--, count++, xpixel -= fwidth;
2402
2403 // force redraw after "careful" characters to avoid pixel droppings
2404 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2405 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2406
2407 // force redraw before "careful" characters to avoid pixel droppings
2408 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2409 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2410#endif
2411 }
2412
2413 /*
2414 * Actually do the drawing of the string here
2415 */
2416 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2417
2418 if (ecb_likely (have_bg && back == Color_bg))
2419 {
2420 // this is very ugly, maybe push it into ->draw?
2421
2422 for (i = 0; i < count; i++) /* don't draw empty strings */
2423 if (text[i] != ' ')
2034 { 2424 {
2035 for (col = R->TermWin.ncol; col--; ) 2425 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2036 { 2426 goto did_clear;
2037 *dtp++ = *dtp2++;
2038 *drp++ = *drp2++;
2039 }
2040
2041 if (len == -1)
2042 len = row;
2043
2044 wlen = row;
2045 continue;
2046 } 2427 }
2428
2429 CLEAR_CHARS (xpixel, ypixel, count);
2430 did_clear: ;
2047 } 2431 }
2432 else
2433 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2048 2434
2049 if (len != -1) 2435 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2050 { 2436 {
2051 /* also comes here at end if needed because of >= above */ 2437#if ENABLE_FRILLS
2052 if (wlen < len) 2438 if (ISSET_PIXCOLOR (Color_underline))
2053 SWAP_IT(wlen, len, int); 2439 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2054 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1));
2055 XCopyArea(R->Xdisplay, R->TermWin.vt, R->TermWin.vt,
2056 R->TermWin.gc, 0, Row2Pixel(len + i),
2057 (unsigned int)TermWin_TotalWidth(),
2058 (unsigned int)Height2Pixel(wlen - len + 1),
2059 0, Row2Pixel(len));
2060 len = -1;
2061 }
2062 }
2063 }
2064#endif
2065
2066/*
2067 * E: main pass across every character
2068 */
2069 for (row = 0; row < R->TermWin.nrow; row++)
2070 {
2071 stp = R->screen.text[row + row_offset];
2072 srp = R->screen.rend[row + row_offset];
2073 dtp = R->drawn_text[row];
2074 drp = R->drawn_rend[row];
2075
2076/*
2077 * E2: OK, now the real pass
2078 */
2079 int ypixel = (int)Row2Pixel(row);
2080
2081 for (col = 0; col < R->TermWin.ncol; col++)
2082 {
2083 /* compare new text with old - if exactly the same then continue */
2084 rend_t rend = srp[col]; /* screen rendition (target rendtion) */
2085
2086 if (stp[col] == dtp[col] /* Must match characters to skip. */
2087 && (rend == drp[col] /* Either rendition the same or */
2088 || (stp[col] == ' ' /* space w/ no background change */
2089 && GET_BGATTR(rend) == GET_BGATTR(drp[col]))))
2090 continue;
2091
2092 text_t *text = stp + col;
2093 int count = 1;
2094
2095 /* redraw one or more characters */
2096
2097 dtp[col] = stp[col];
2098 drp[col] = rend;
2099
2100 if (*text == NOCHAR) // never start redrawing at invisible characters. */
2101 continue;
2102
2103 int xpixel = Col2Pixel(col);
2104
2105 // this loop looks very messy, it can probably be optimized
2106 // and cleaned a bit by you?
2107 for (i = 0; ++col < R->TermWin.ncol; )
2108 {
2109 if (stp[col] == NOCHAR)
2110 {
2111 dtp[col] = stp[col];
2112 drp[col] = rend;
2113 count++;
2114
2115 if (i) // only possible skip if char unchanged
2116 i++;
2117
2118 continue;
2119 }
2120
2121 if (((rend ^ srp[col]) & ~RS_wide) != 0)
2122 break;
2123
2124 count++;
2125
2126 if (stp[col] != dtp[col]
2127 || srp[col] != drp[col])
2128 {
2129 if (must_clear && (i++ > (count / 2)))
2130 break;
2131
2132 dtp[col] = stp[col];
2133 drp[col] = rend;
2134 i = 0;
2135 }
2136 else if (must_clear || (stp[col] != ' ' && ++i >= 32))
2137 break;
2138 }
2139
2140 col--; /* went one too far. move back */
2141 count -= i; /* dump any matching trailing chars */
2142
2143/*
2144 * Determine the attributes for the string
2145 */
2146 int fid = GET_FONT(rend);
2147 fore = GET_FGCOLOR(rend);
2148 back = GET_BGCOLOR(rend);
2149 rend = GET_ATTR(rend);
2150
2151 rvid = (rend & RS_RVid) ? 1 : 0;
2152#ifdef OPTION_HC
2153 if (!rvid && (rend & RS_Blink))
2154 {
2155 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_HC))
2156 back = Color_HC;
2157 else 2440 else
2158 rvid = !rvid; /* fall back */ 2441#endif
2442 XSetForeground (dpy, gc, pix_colors[fore]);
2443
2444 XDrawLine (dpy, vt, gc,
2445 xpixel, ypixel + font->ascent + 1,
2446 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2159 } 2447 }
2160#endif 2448 } /* for (col....) */
2161 if (rvid) 2449 } /* for (row....) */
2450
2451 /*
2452 * G: cleanup cursor and display outline cursor if necessary
2453 */
2454 if (showcursor)
2455 {
2456 if (focus)
2457 {
2458 if (option (Opt_cursorUnderline))
2459 *crp ^= RS_Uline;
2460 else
2162 { 2461 {
2163 SWAP_IT(fore, back, int); 2462 *crp ^= RS_RVid;
2164
2165#ifndef NO_BOLD_UNDERLINE_REVERSE
2166 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_RV)
2167# ifndef NO_CURSORCOLOR 2463#ifndef NO_CURSORCOLOR
2464 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1;
2465#endif
2466 }
2467 }
2468 else if (oldcursor.row >= 0)
2469 {
2470 int cursorwidth = 1;
2471 int col = oldcursor.col;
2472
2473 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2474 col--;
2475
2476 while (col + cursorwidth < ncol
2477 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2478 cursorwidth++;
2479
2480#ifndef NO_CURSORCOLOR
2168 && !ISSET_PIXCOLOR(R, Color_cursor) 2481 if (ISSET_PIXCOLOR (Color_cursor))
2482 XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2483 else
2484#endif
2485 XSetForeground (dpy, gc, pix_colors[ccol1]);
2486
2487 XDrawRectangle (dpy, vt, gc,
2488 Col2Pixel (col),
2489 Row2Pixel (oldcursor.row),
2490 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2491 (unsigned int) (Height2Pixel (1) - 1));
2492 }
2493 }
2494
2495 /*
2496 * H: cleanup selection
2497 */
2498#if ENABLE_OVERLAY
2499 scr_swap_overlay ();
2500#endif
2501 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2502
2503 scr_reverse_selection ();
2504
2505 screen.flags = old_screen_flags;
2506 num_scr = 0;
2507 num_scr_allow = 1;
2508}
2509
2510void
2511rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2512{
2513 if (!l.valid ())
2514 return;
2515
2516 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2517
2518 for (int i = ncol; i--; )
2519 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2520}
2521
2522void
2523rxvt_term::scr_remap_chars () NOTHROW
2524{
2525 for (int i = total_rows; i--; )
2526 scr_remap_chars (row_buf [i]);
2527
2528 for (int i = nrow; i--; )
2529 {
2530 scr_remap_chars (drawn_buf [i]);
2531 scr_remap_chars (swap_buf [i]);
2532 }
2533}
2534
2535void
2536rxvt_term::scr_recolour (bool refresh) NOTHROW
2537{
2538 bool transparent = false;
2539
2540#ifdef HAVE_BG_PIXMAP
2541 if (bg_pixmap != None)
2542 {
2543# ifdef ENABLE_TRANSPARENCY
2544 if (bg_flags & BG_IS_TRANSPARENT)
2545 {
2546 XSetWindowBackgroundPixmap (dpy, parent, bg_pixmap);
2547 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2548
2549 transparent = true;
2550 }
2551 else
2169# endif 2552# endif
2170 )
2171 back = Color_RV;
2172#endif
2173 }
2174#ifndef NO_BOLD_UNDERLINE_REVERSE
2175 else if (rend & RS_Bold)
2176 { 2553 {
2177 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_BD)) 2554 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2178 { 2555 XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap);
2179 fore = Color_BD; 2556 }
2180# ifndef VERYBOLD 2557 }
2181 rend &= ~RS_Bold; /* we've taken care of it */ 2558 else
2182# endif 2559#endif
2183 }
2184 }
2185 else if (rend & RS_Uline)
2186 {
2187 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_UL))
2188 {
2189 fore = Color_UL;
2190 rend &= ~RS_Uline; /* we've taken care of it */
2191 }
2192 }
2193#endif
2194
2195/*
2196 * Actually do the drawing of the string here
2197 */
2198 rxvt_font *font = (*R->TermWin.fontset)[fid];
2199
2200 if (back == Color_bg)
2201 {
2202 if (must_clear)
2203 {
2204 for (i = 0; i < count; i++) /* don't draw empty strings */
2205 if (text[i] != ' ')
2206 {
2207 font->draw (xpixel, ypixel, text, count, fore, -1);
2208 goto nodraw;
2209 }
2210
2211 CLEAR_CHARS(xpixel, ypixel, count);
2212nodraw: ;
2213 }
2214 else
2215 font->draw (xpixel, ypixel, text, count, fore, Color_bg);
2216 }
2217 else
2218 font->draw (xpixel, ypixel, text, count, fore, back);
2219
2220 if ((rend & RS_Uline) && (font->descent > 1))
2221 XDrawLine(R->Xdisplay, drawBuffer, R->TermWin.gc,
2222 xpixel, ypixel + font->ascent + 1,
2223 xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1);
2224 } /* for (col....) */
2225 } /* for (row....) */
2226
2227/*
2228 * G: cleanup cursor and display outline cursor if necessary
2229 */
2230 if (showcursor) {
2231 if (R->TermWin.focus) {
2232 srp = &(R->screen.rend[R->screen.cur.row + R->TermWin.saveLines]
2233 [R->screen.cur.col]);
2234 *srp ^= RS_RVid;
2235#ifndef NO_CURSORCOLOR
2236 *srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1;
2237#endif
2238 } else if (R->oldcursor.row >= 0) {
2239#ifndef NO_CURSORCOLOR
2240 unsigned long gcmask; /* Graphics Context mask */
2241
2242 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_cursor)) {
2243 XSetForeground (R->Xdisplay, R->TermWin.gc, R->PixColors[Color_cursor]);
2244 }
2245#endif
2246 XDrawRectangle(R->Xdisplay, drawBuffer, R->TermWin.gc,
2247 Col2Pixel(R->oldcursor.col),
2248 Row2Pixel(R->oldcursor.row),
2249 (unsigned int)(Width2Pixel(cursorwidth) - 1),
2250 (unsigned int)(Height2Pixel(1) - R->TermWin.lineSpace - 1));
2251 }
2252 } 2560 {
2253/* 2561 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2254 * H: cleanup selection 2562 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2255 */ 2563 }
2256 rxvt_scr_reverse_selection(aR);
2257 2564
2258/* 2565 XClearWindow (dpy, parent);
2259 * I: other general cleanup
2260 */
2261 if (clearfirst && R->TermWin.int_bwidth)
2262 /*
2263 * clear the whole screen height, note that width == 0 is treated
2264 * specially by XClearArea
2265 */
2266 XClearArea(R->Xdisplay, R->TermWin.vt, 0, 0,
2267 (unsigned int)R->TermWin.int_bwidth,
2268 (unsigned int)TermWin_TotalHeight(), False);
2269 if (clearlast && R->TermWin.int_bwidth)
2270 /*
2271 * clear the whole screen height, note that width == 0 is treated
2272 * specially by XClearArea
2273 */
2274 XClearArea(R->Xdisplay, R->TermWin.vt,
2275 R->TermWin.width + R->TermWin.int_bwidth, 0,
2276 (unsigned int)R->TermWin.int_bwidth,
2277 (unsigned int)TermWin_TotalHeight(), False);
2278 if (refresh_type & SMOOTH_REFRESH)
2279 XSync(R->Xdisplay, False);
2280 2566
2281 R->num_scr = 0; 2567 if (scrollBar.win)
2282 R->num_scr_allow = 1; 2568 {
2283 R->want_refresh = 0; /* screen is current */ 2569 if (transparent)
2284} 2570 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2285/* ------------------------------------------------------------------------- */
2286
2287/* EXTPROTO */
2288void
2289rxvt_scr_clear(pR)
2290{
2291 if (!R->TermWin.mapped)
2292 return;
2293 R->num_scr_allow = 0;
2294 R->want_refresh = 1;
2295#ifdef TRANSPARENT
2296 if ((R->Options & Opt_transparent) && (R->am_pixmap_trans == 0)) {
2297 int i;
2298
2299 if (!(R->Options & Opt_transparent_all))
2300 i = 0;
2301 else 2571 else
2302 i = (int)(sizeof(R->TermWin.parent) / sizeof(Window)); 2572 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);
2303 for (; i--;) 2573 scrollBar.state = SB_STATE_IDLE;
2304 if (R->TermWin.parent[i] != None) 2574 scrollBar.show (0);
2305 XClearWindow(R->Xdisplay, R->TermWin.parent[i]); 2575 }
2576
2577 if (refresh)
2306 } 2578 {
2307#endif 2579 scr_clear ();
2308 XClearWindow(R->Xdisplay, R->TermWin.vt); 2580 scr_touch (true);
2581 }
2582 want_refresh = 1;
2309} 2583}
2310 2584
2311/* ------------------------------------------------------------------------- */ 2585/* ------------------------------------------------------------------------- */
2312/* INTPROTO */
2313void 2586void
2587rxvt_term::scr_clear (bool really) NOTHROW
2588{
2589 if (!mapped)
2590 return;
2591
2592 num_scr_allow = 0;
2593 want_refresh = 1;
2594
2595 if (really)
2596 XClearWindow (dpy, vt);
2597}
2598
2599void
2600rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
2601{
2602 int view_end = view_start + nrow;
2603 int row, col;
2604
2605 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2606 {
2607 text_t *stp = ROW(row).t;
2608 rend_t *srp = ROW(row).r;
2609
2610 for (col = beg_col; col < end_col; col++)
2611 srp[col] ^= rstyle1;
2612
2613 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2614 srp[col] ^= rstyle2;
2615
2616 if (++col < end_col)
2617 srp[col] ^= rstyle2;
2618 }
2619}
2620
2621void
2622rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
2623{
2624 int view_end = view_start + nrow;
2625 int row, col;
2626
2627 if (beg_row >= view_start)
2628 {
2629 col = beg_col;
2630 row = beg_row;
2631 }
2632 else
2633 {
2634 col = 0;
2635 row = view_start;
2636 }
2637
2638 for (; row < min (end_row, view_end); row++, col = 0)
2639 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2640 srp[col] ^= rstyle;
2641
2642 if (row == end_row)
2643 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2644 srp[col] ^= rstyle;
2645}
2646
2647/* ------------------------------------------------------------------------- */
2648void
2314rxvt_scr_reverse_selection(pR) 2649rxvt_term::scr_reverse_selection () NOTHROW
2315{ 2650{
2316 int i, col, row, end_row; 2651 if (selection.op
2317 rend_t *srp; 2652 && current_screen == selection.screen
2318 2653 && selection.end.row >= view_start)
2319 if (R->selection.op && R->current_screen == R->selection.screen) { 2654 {
2320 end_row = R->TermWin.saveLines - R->TermWin.view_start; 2655#if !ENABLE_MINIMAL
2321 i = R->selection.beg.row + R->TermWin.saveLines; 2656 if (selection.rect)
2322 row = R->selection.end.row + R->TermWin.saveLines; 2657 scr_xor_rect (selection.beg.row, selection.beg.col,
2323 if (i >= end_row) 2658 selection.end.row, selection.end.col,
2324 col = R->selection.beg.col; 2659 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2325 else { 2660 else
2326 col = 0;
2327 i = end_row;
2328 }
2329 end_row += R->TermWin.nrow;
2330 for (; i < row && i < end_row; i++, col = 0)
2331 for (srp = R->screen.rend[i]; col < R->TermWin.ncol; col++)
2332#ifndef OPTION_HC
2333 srp[col] ^= RS_RVid;
2334#else
2335 srp[col] ^= RS_Blink;
2336#endif 2661#endif
2337 if (i == row && i < end_row) 2662 scr_xor_span (selection.beg.row, selection.beg.col,
2338 for (srp = R->screen.rend[i]; col < R->selection.end.col; col++) 2663 selection.end.row, selection.end.col,
2339#ifndef OPTION_HC 2664 RS_Sel | RS_RVid);
2340 srp[col] ^= RS_RVid;
2341#else
2342 srp[col] ^= RS_Blink;
2343#endif
2344 } 2665 }
2345} 2666}
2346 2667
2347/* ------------------------------------------------------------------------- */ 2668/* ------------------------------------------------------------------------- */
2348/* 2669/*
2349 * Dump the whole scrollback and screen to the passed filedescriptor. The 2670 * Dump the whole scrollback and screen to the passed filedescriptor. The
2350 * invoking routine must close the fd. 2671 * invoking routine must close the fd.
2351 */ 2672 */
2352#if 0 2673#if 0
2353/* EXTPROTO */
2354void 2674void
2355rxvt_scr_dump(pR_ int fd) 2675rxvt_term::scr_dump (int fd) NOTHROW
2356{ 2676{
2357 int row, wrote; 2677 // if this method is needed, it can be implemented by factoring the
2358 unsigned int width, towrite; 2678 // relevant code in scr_printscreen
2359 char r1[] = "\n";
2360
2361 for (row = R->TermWin.saveLines - R->TermWin.nscrolled;
2362 row < R->TermWin.saveLines + R->TermWin.nrow - 1; row++) {
2363 width = R->screen.tlen[row] >= 0 ? R->screen.tlen[row]
2364 : R->TermWin.ncol;
2365 for (towrite = width; towrite; towrite -= wrote) {
2366 wrote = write(fd, &(R->screen.text[row][width - towrite]),
2367 towrite);
2368 if (wrote < 0)
2369 return; /* XXX: death, no report */
2370 }
2371 if (R->screen.tlen[row] >= 0)
2372 if (write(fd, r1, 1) <= 0)
2373 return; /* XXX: death, no report */
2374 }
2375} 2679}
2376#endif 2680#endif
2377 2681
2378/* ------------------------------------------------------------------------- * 2682/* ------------------------------------------------------------------------- *
2379 * CHARACTER SELECTION * 2683 * CHARACTER SELECTION *
2380 * ------------------------------------------------------------------------- */ 2684 * ------------------------------------------------------------------------- */
2381
2382/*
2383 * -R->TermWin.nscrolled <= (selection row) <= R->TermWin.nrow - 1
2384 */
2385/* EXTPROTO */
2386void 2685void
2387rxvt_selection_check(pR_ int check_more) 2686rxvt_term::selection_check (int check_more) NOTHROW
2388{ 2687{
2389 row_col_t pos;
2390
2391 if (!R->selection.op) 2688 if (!selection.op)
2392 return; 2689 return;
2393 2690
2394 pos.row = pos.col = 0; 2691 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2395 if ((R->selection.beg.row < -(int32_t)R->TermWin.nscrolled) 2692 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2396 || (R->selection.beg.row >= R->TermWin.nrow) 2693 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2397 || (R->selection.mark.row < -(int32_t)R->TermWin.nscrolled)
2398 || (R->selection.mark.row >= R->TermWin.nrow)
2399 || (R->selection.end.row < -(int32_t)R->TermWin.nscrolled)
2400 || (R->selection.end.row >= R->TermWin.nrow)
2401 || (check_more == 1 2694 || (check_more == 1
2402 && R->current_screen == R->selection.screen 2695 && current_screen == selection.screen
2403 && !ROWCOL_IS_BEFORE(R->screen.cur, R->selection.beg) 2696 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2404 && ROWCOL_IS_BEFORE(R->screen.cur, R->selection.end)) 2697 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2405 || (check_more == 2
2406 && ROWCOL_IS_BEFORE(R->selection.beg, pos)
2407 && ROWCOL_IS_AFTER(R->selection.end, pos))
2408 || (check_more == 3
2409 && ROWCOL_IS_AFTER(R->selection.end, pos))
2410 || (check_more == 4 /* screen width change */
2411 && (R->selection.beg.row != R->selection.end.row
2412 || R->selection.end.col > R->TermWin.ncol)))
2413 CLEAR_SELECTION(R); 2698 CLEAR_ALL_SELECTION ();
2414} 2699}
2415 2700
2416/* ------------------------------------------------------------------------- */ 2701/* ------------------------------------------------------------------------- */
2417/* 2702/*
2418 * Paste a selection direct to the command fd 2703 * Paste a selection direct to the command fd
2419 */ 2704 */
2420/* INTPROTO */
2421void 2705void
2422rxvt_PasteIt(pR_ const unsigned char *data, unsigned int nitems) 2706rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW
2423{ 2707{
2424 unsigned int i, j, n;
2425 unsigned char *ds = (unsigned char *)rxvt_malloc(PROP_SIZE);
2426
2427/* convert normal newline chars into common keyboard Return key sequence */ 2708 /* convert normal newline chars into common keyboard Return key sequence */
2428 for (i = 0; i < nitems; i += PROP_SIZE) { 2709 for (unsigned int i = 0; i < len; i++)
2429 n = min(nitems - i, PROP_SIZE); 2710 if (data[i] == C0_LF)
2430 MEMCPY(ds, data + i, n); 2711 data[i] = C0_CR;
2431 for (j = 0; j < n; j++)
2432 if (ds[j] == '\n')
2433 ds[j] = '\r';
2434 rxvt_tt_write(aR_ ds, (int)n);
2435 }
2436 free(ds);
2437}
2438 2712
2439/* ------------------------------------------------------------------------- */ 2713 if (priv_modes & PrivMode_BracketPaste)
2440/* 2714 tt_printf ("\x1b[200~");
2441 * Respond to a notification that a primary selection has been sent
2442 * EXT: SelectionNotify
2443 */
2444/* EXTPROTO */
2445int
2446rxvt_selection_paste(pR_ Window win, Atom prop, Bool delete_prop)
2447{
2448 long nread = 0;
2449 unsigned long bytes_after;
2450 XTextProperty ct;
2451#ifdef MULTICHAR_SET
2452 int dummy_count;
2453 char **cl;
2454#endif
2455 2715
2456 D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, R->selection_wait)); 2716 tt_write (data, len);
2457 2717
2458 if (prop == None) { /* check for failed XConvertSelection */ 2718 if (priv_modes & PrivMode_BracketPaste)
2459#ifdef MULTICHAR_SET 2719 tt_printf ("\x1b[201~");
2460 if ((R->selection_type & Sel_CompoundText)) {
2461 int selnum = R->selection_type & Sel_whereMask;
2462
2463 R->selection_type = 0;
2464 if (selnum != Sel_direct)
2465 rxvt_selection_request_other(aR_ XA_STRING, selnum);
2466 }
2467#endif
2468 return 0;
2469 }
2470 for (;;) {
2471 if (XGetWindowProperty(R->Xdisplay, win, prop, (long)(nread / 4),
2472 (long)(PROP_SIZE / 4), delete_prop,
2473 AnyPropertyType, &ct.encoding, &ct.format,
2474 &ct.nitems, &bytes_after,
2475 &ct.value) != Success)
2476 break;
2477 if (ct.encoding == 0) {
2478 D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!"));
2479 break;
2480 }
2481 if (ct.value == NULL) {
2482 D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!"));
2483 continue;
2484 }
2485 if (ct.nitems == 0) {
2486 D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2487 if (R->selection_wait == Sel_normal && nread == 0) {
2488 /*
2489 * pass through again trying CUT_BUFFER0 if we've come from
2490 * XConvertSelection() but nothing was presented
2491 */
2492 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2493 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, False);
2494 }
2495 nread = -1; /* discount any previous stuff */
2496 break;
2497 }
2498 nread += ct.nitems;
2499#ifdef MULTICHAR_SET
2500 if (XmbTextPropertyToTextList(R->Xdisplay, &ct, &cl,
2501 &dummy_count) == Success && cl) {
2502 rxvt_PasteIt(aR_ cl[0], STRLEN(cl[0]));
2503 XFreeStringList(cl);
2504 } else
2505#endif
2506 rxvt_PasteIt(aR_ ct.value, (unsigned int)ct.nitems);
2507 if (bytes_after == 0)
2508 break;
2509 XFree(ct.value);
2510 }
2511 if (ct.value)
2512 XFree(ct.value);
2513 if (R->selection_wait == Sel_normal)
2514 R->selection_wait = Sel_none;
2515 D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2516 return (int)nread;
2517} 2720}
2518 2721
2519/*
2520 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2521 */
2522/* EXTPROTO */
2523void 2722void
2524rxvt_selection_property(pR_ Window win, Atom prop) 2723rxvt_term::paste (char *data, unsigned int len) NOTHROW
2525{ 2724{
2526 int reget_time = 0; 2725 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2527
2528 if (prop == None)
2529 return; 2726 return;
2530 D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop));
2531 if (R->selection_wait == Sel_normal) {
2532 int a, afmt;
2533 Atom atype;
2534 unsigned long bytes_after, nitems;
2535 unsigned char *s = NULL;
2536 2727
2537 a = XGetWindowProperty(R->Xdisplay, win, prop, 0L, 1L, False, 2728 tt_paste (data, len);
2538 R->xa[XA_INCR], &atype, &afmt, &nitems,
2539 &bytes_after, &s);
2540 if (s)
2541 XFree(s);
2542 if (a != Success)
2543 return;
2544#ifndef __CYGWIN32__
2545 if (atype == R->xa[XA_INCR]) { /* start an INCR transfer */
2546 D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer"));
2547 XDeleteProperty(R->Xdisplay, win, prop);
2548 XFlush(R->Xdisplay);
2549 reget_time = 1;
2550 R->selection_wait = Sel_incr;
2551 }
2552#endif
2553 } else if (R->selection_wait == Sel_incr) {
2554 reget_time = 1;
2555 if (rxvt_selection_paste(aR_ win, prop, True) == -1) {
2556 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end"));
2557 R->selection_wait = Sel_none;
2558 R->timeout[TIMEOUT_INCR].tv_sec = 0; /* turn off timer */
2559 }
2560 }
2561 if (reget_time) { /* received more data so reget time */
2562 (void)gettimeofday(&(R->timeout[TIMEOUT_INCR]), NULL);
2563 R->timeout[TIMEOUT_INCR].tv_sec += 10; /* ten seconds wait */
2564 }
2565} 2729}
2730
2566/* ------------------------------------------------------------------------- */ 2731/* ------------------------------------------------------------------------- */
2567/* 2732/*
2568 * Request the current selection: 2733 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2569 * Order: > internal selection if available 2734 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2570 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2735 * as fallback
2571 * > CUT_BUFFER0
2572 * (+) if ownership is claimed but property is empty, rxvt_selection_paste()
2573 * will auto fallback to CUT_BUFFER0
2574 * EXT: button 2 release 2736 * EXT: button 2 release
2575 */ 2737 */
2576/* EXTPROTO */
2577void 2738void
2578rxvt_selection_request(pR_ Time tm, int x, int y) 2739rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2579{ 2740{
2580 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2741 if (!selection_req)
2581 if (x < 0 || x >= R->TermWin.width || y < 0 || y >= R->TermWin.height)
2582 return; /* outside window */
2583
2584 if (R->selection.text != NULL) { /* internal selection */
2585 D_SELECT((stderr, "rxvt_selection_request: pasting internal"));
2586 rxvt_PasteIt(aR_ R->selection.text, R->selection.len);
2587 return;
2588 } else {
2589 int i;
2590
2591 R->selection_request_time = tm;
2592 R->selection_wait = Sel_normal;
2593 for (i = Sel_Primary; i <= Sel_Clipboard; i++) {
2594#ifdef MULTICHAR_SET
2595 R->selection_type = Sel_CompoundText;
2596#else
2597 R->selection_type = 0;
2598#endif
2599 if (rxvt_selection_request_other(aR_
2600#ifdef MULTICHAR_SET
2601 R->xa[XA_COMPOUND_TEXT],
2602#else
2603 XA_STRING,
2604#endif
2605 i))
2606 return;
2607 }
2608 } 2742 {
2609 R->selection_wait = Sel_none; /* don't loop in rxvt_selection_paste() */ 2743 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2610 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); 2744 selection_req->run ();
2611 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, False);
2612}
2613
2614/* INTPROTO */
2615int
2616rxvt_selection_request_other(pR_ Atom target, int selnum)
2617{
2618 Atom sel;
2619#ifdef DEBUG_SELECT
2620 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2621#endif
2622
2623 R->selection_type |= selnum;
2624 if (selnum == Sel_Primary)
2625 sel = XA_PRIMARY;
2626 else if (selnum == Sel_Secondary)
2627 sel = XA_SECONDARY;
2628 else
2629 sel = R->xa[XA_CLIPBOARD];
2630 if (XGetSelectionOwner(R->Xdisplay, sel) != None) {
2631 D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2632 XConvertSelection(R->Xdisplay, sel, target, R->xa[XA_VT_SELECTION],
2633 R->TermWin.vt, R->selection_request_time);
2634 return 1;
2635 } 2745 }
2636 return 0;
2637} 2746}
2638 2747
2639/* ------------------------------------------------------------------------- */ 2748/* ------------------------------------------------------------------------- */
2640/* 2749/*
2641 * Clear all selected text 2750 * Clear all selected text
2642 * EXT: SelectionClear 2751 * EXT: SelectionClear
2643 */ 2752 */
2644/* EXTPROTO */
2645void 2753void
2646rxvt_selection_clear(pR) 2754rxvt_term::selection_clear (bool clipboard) NOTHROW
2647{ 2755{
2648 D_SELECT((stderr, "rxvt_selection_clear()")); 2756 if (!clipboard)
2649 2757 {
2650 R->want_refresh = 1; 2758 want_refresh = 1;
2651 if (R->selection.text)
2652 free(R->selection.text); 2759 free (selection.text);
2653 R->selection.text = NULL; 2760 selection.text = NULL;
2654 R->selection.len = 0; 2761 selection.len = 0;
2655 CLEAR_SELECTION(R); 2762 CLEAR_SELECTION ();
2763
2764 if (display->selection_owner == this)
2765 display->selection_owner = 0;
2766 }
2767 else
2768 {
2769 free (selection.clip_text);
2770 selection.clip_text = NULL;
2771 selection.clip_len = 0;
2772
2773 if (display->clipboard_owner == this)
2774 display->clipboard_owner = 0;
2775 }
2656} 2776}
2657 2777
2658/* ------------------------------------------------------------------------- */ 2778/* ------------------------------------------------------------------------- */
2659/* 2779/*
2660 * Copy a selection into the cut buffer 2780 * Copy a selection into the cut buffer
2661 * EXT: button 1 or 3 release 2781 * EXT: button 1 or 3 release
2662 */ 2782 */
2663/* EXTPROTO */
2664void 2783void
2665rxvt_selection_make(pR_ Time tm) 2784rxvt_term::selection_make (Time tm)
2666{ 2785{
2667 int i, col, end_col, row, end_row; 2786 int size;
2668 unsigned char *new_selection_text; 2787 wchar_t *new_selection_text;
2669 char *str; 2788 text_t *t;
2670 text_t *t;
2671#ifdef ACS_ASCII
2672 rend_t *re;
2673#endif
2674 2789
2675 D_SELECT((stderr, "rxvt_selection_make(): R->selection.op=%d, R->selection.clicks=%d", R->selection.op, R->selection.clicks));
2676 switch (R->selection.op) { 2790 switch (selection.op)
2791 {
2677 case SELECTION_CONT: 2792 case SELECTION_CONT:
2678 break; 2793 break;
2679 case SELECTION_INIT: 2794 case SELECTION_INIT:
2680 CLEAR_SELECTION(R); 2795 CLEAR_SELECTION ();
2681 /* FALLTHROUGH */ 2796 /* FALLTHROUGH */
2682 case SELECTION_BEGIN: 2797 case SELECTION_BEGIN:
2683 R->selection.op = SELECTION_DONE; 2798 selection.op = SELECTION_DONE;
2684 /* FALLTHROUGH */ 2799 /* FALLTHROUGH */
2685 default: 2800 default:
2686 return; 2801 return;
2687 } 2802 }
2803
2688 R->selection.op = SELECTION_DONE; 2804 selection.op = SELECTION_DONE;
2689 2805
2690 if (R->selection.clicks == 4) 2806 if (selection.clicks == 4)
2691 return; /* nothing selected, go away */ 2807 return; /* nothing selected, go away */
2692 2808
2809 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2810 return;
2811
2693 i = (R->selection.end.row - R->selection.beg.row + 1) * (R->TermWin.ncol + 1) + 1; 2812 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2694 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2813 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2695 2814
2696 new_selection_text = (unsigned char *)str; 2815 int ofs = 0;
2816 int extra = 0;
2697 2817
2698 col = R->selection.beg.col; 2818 int col = selection.beg.col;
2699 MAX_IT(col, 0); 2819 int row = selection.beg.row;
2700 row = R->selection.beg.row + R->TermWin.saveLines;
2701 end_row = R->selection.end.row + R->TermWin.saveLines;
2702 2820
2821 int end_col;
2822
2703 for (; row <= end_row; row++, col = 0) 2823 for (; row <= selection.end.row; row++, col = 0)
2824 {
2825#if !ENABLE_MINIMAL
2826 if (selection.rect)
2704 { 2827 {
2705 t = &(R->screen.text[row][col]); 2828 col = selection.beg.col;
2706
2707 end_col = R->screen.tlen[row];
2708
2709 if (end_col == -1)
2710 end_col = R->TermWin.ncol; 2829 end_col = selection.end.col;
2830 }
2831 else
2832#endif
2833 end_col = ROW(row).l;
2711 2834
2835 col = max (col, 0);
2836
2712 if (row == end_row) 2837 if (row == selection.end.row)
2713 MIN_IT (end_col, R->selection.end.col); 2838 min_it (end_col, selection.end.col);
2714 2839
2840 t = ROW(row).t + col;
2841
2715 for (; col < end_col; col++) 2842 for (; col < end_col; col++)
2843 {
2716 if (*t == NOCHAR) 2844 if (*t == NOCHAR)
2717 t++; 2845 t++;
2846#if ENABLE_COMBINING
2847 else if (IS_COMPOSE (*t))
2848 {
2849 int len = rxvt_composite.expand (*t, 0);
2850
2851 extra -= (len - 1);
2852
2853 if (extra < 0)
2854 {
2855 extra += size;
2856 size += size;
2857 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2858 }
2859
2860 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2861 }
2862#endif
2718 else 2863 else
2719 { 2864 new_selection_text[ofs++] = *t++;
2720 int len = wctomb (str, *t++);
2721 if (len > 0)
2722 str += len;
2723 }
2724
2725 if (R->screen.tlen[row] != -1 && row != end_row)
2726 *str++ = '\n';
2727 } 2865 }
2728 2866
2729#ifndef NO_OLD_SELECTION 2867#if !ENABLE_MINIMAL
2730 if (R->selection_style == OLD_SELECT) 2868 if (selection.rect)
2731 if (end_col == R->TermWin.ncol)
2732 *str++ = '\n';
2733#endif
2734#ifndef NO_NEW_SELECTION
2735 if (R->selection_style != OLD_SELECT)
2736 if (end_col != R->selection.end.col)
2737 *str++ = '\n';
2738#endif
2739 *str = '\0';
2740
2741 i = str - (char *)new_selection_text;
2742 if (i == 0)
2743 { 2869 {
2870 while (ofs
2871 && new_selection_text[ofs - 1] != C0_LF
2872 && unicode::is_space (new_selection_text[ofs - 1]))
2873 --ofs;
2874
2875 new_selection_text[ofs++] = C0_LF;
2876 }
2877 else
2878#endif
2879 if (!ROW(row).is_longer ()
2880 && (row != selection.end.row || end_col != selection.end.col)
2881 && (row != selection.beg.row || selection.beg.col < ncol))
2882 new_selection_text[ofs++] = C0_LF;
2883 }
2884
2885 new_selection_text[ofs] = 0;
2886
2887 if (ofs == 0)
2888 {
2744 free (new_selection_text); 2889 free (new_selection_text);
2745 return; 2890 return;
2746 } 2891 }
2747 2892
2748 // due to MB_MAX_CUR, selection wastage is usually high
2749 if (str - (char *)new_selection_text > 1024)
2750 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2751
2752 R->selection.len = i;
2753 if (R->selection.text)
2754 free (R->selection.text); 2893 free (selection.text);
2755 2894
2756 R->selection.text = new_selection_text; 2895 // we usually allocate much more than necessary, so realloc it smaller again
2896 selection.len = ofs;
2897 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2757 2898
2758 XSetSelectionOwner(R->Xdisplay, XA_PRIMARY, R->TermWin.vt, tm); 2899 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2759 if (XGetSelectionOwner(R->Xdisplay, XA_PRIMARY) != R->TermWin.vt) 2900 return;
2760 rxvt_print_error("can't get primary selection"); 2901
2761 XChangeProperty(R->Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2902 selection_grab (tm);
2762 PropModeReplace, R->selection.text, (int)R->selection.len); 2903}
2904
2905bool
2906rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW
2907{
2908 Atom sel;
2909
2910 if (!clipboard)
2911 {
2763 R->selection_time = tm; 2912 selection_time = tm;
2764 D_SELECT((stderr, "rxvt_selection_make(): R->selection.len=%d", R->selection.len)); 2913 sel = XA_PRIMARY;
2914 }
2915 else
2916 {
2917 clipboard_time = tm;
2918 sel = xa[XA_CLIPBOARD];
2919 }
2920
2921 XSetSelectionOwner (dpy, sel, vt, tm);
2922 if (XGetSelectionOwner (dpy, sel) == vt)
2923 {
2924 display->set_selection_owner (this, clipboard);
2925 return true;
2926 }
2927 else
2928 {
2929 selection_clear (clipboard);
2930 return false;
2931 }
2932
2933#if 0
2934 XTextProperty ct;
2935
2936 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2937 {
2938 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2939 XFree (ct.value);
2940 }
2941#endif
2765} 2942}
2766 2943
2767/* ------------------------------------------------------------------------- */ 2944/* ------------------------------------------------------------------------- */
2768/* 2945/*
2769 * Mark or select text based upon number of clicks: 1, 2, or 3 2946 * Mark or select text based upon number of clicks: 1, 2, or 3
2770 * EXT: button 1 press 2947 * EXT: button 1 press
2771 */ 2948 */
2772/* EXTPROTO */
2773void 2949void
2774rxvt_selection_click(pR_ int clicks, int x, int y) 2950rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
2775{ 2951{
2776 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2777
2778 clicks = ((clicks - 1) % 3) + 1; 2952 clicks = ((clicks - 1) % 3) + 1;
2779 R->selection.clicks = clicks; /* save clicks so extend will work */ 2953 selection.clicks = clicks; /* save clicks so extend will work */
2780 2954
2955 if (clicks == 2 && !selection.rect
2956 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2957 {
2958 MEvent.clicks = 1; // what a mess
2959 selection.screen = current_screen;
2960 selection.op = SELECTION_CONT;
2961 return;
2962 }
2963
2781 rxvt_selection_start_colrow(aR_ Pixel2Col(x), Pixel2Row(y)); 2964 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2965
2782 if (clicks == 2 || clicks == 3) 2966 if (clicks == 2 || clicks == 3)
2783 rxvt_selection_extend_colrow(aR_ R->selection.mark.col, 2967 selection_extend_colrow (selection.mark.col,
2784 R->selection.mark.row 2968 selection.mark.row - view_start,
2785 + R->TermWin.view_start,
2786 0, /* button 3 */ 2969 0, /* button 3 */
2787 1, /* button press */ 2970 1, /* button press */
2788 0); /* click change */ 2971 0); /* click change */
2789} 2972}
2790 2973
2791/* ------------------------------------------------------------------------- */ 2974/* ------------------------------------------------------------------------- */
2792/* 2975/*
2793 * Mark a selection at the specified col/row 2976 * Mark a selection at the specified col/row
2794 */ 2977 */
2795/* INTPROTO */
2796void 2978void
2797rxvt_selection_start_colrow(pR_ int col, int row) 2979rxvt_term::selection_start_colrow (int col, int row) NOTHROW
2798{ 2980{
2799 R->want_refresh = 1; 2981 want_refresh = 1;
2982
2983 selection.mark.row = row + view_start;
2800 R->selection.mark.col = col; 2984 selection.mark.col = col;
2801 R->selection.mark.row = row - R->TermWin.view_start; 2985
2802 MAX_IT(R->selection.mark.row, -(int32_t)R->TermWin.nscrolled); 2986 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2803 MIN_IT(R->selection.mark.row, (int32_t)R->TermWin.nrow - 1); 2987 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
2988
2989 while (selection.mark.col > 0
2990 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2804 MAX_IT(R->selection.mark.col, 0); 2991 --selection.mark.col;
2805 MIN_IT(R->selection.mark.col, (int32_t)R->TermWin.ncol - 1);
2806 2992
2807 if (R->selection.op) { /* clear the old selection */ 2993 if (selection.op)
2994 {
2995 /* clear the old selection */
2808 R->selection.beg.row = R->selection.end.row = R->selection.mark.row; 2996 selection.beg.row = selection.end.row = selection.mark.row;
2809 R->selection.beg.col = R->selection.end.col = R->selection.mark.col; 2997 selection.beg.col = selection.end.col = selection.mark.col;
2810 } 2998 }
2999
2811 R->selection.op = SELECTION_INIT; 3000 selection.op = SELECTION_INIT;
2812 R->selection.screen = R->current_screen; 3001 selection.screen = current_screen;
2813} 3002}
2814 3003
2815/* ------------------------------------------------------------------------- */ 3004/* ------------------------------------------------------------------------- */
2816/* 3005/*
2817 * Word select: select text for 2 clicks 3006 * Word select: select text for 2 clicks
2818 * We now only find out the boundary in one direction 3007 * We now only find out the boundary in one direction
2819 */ 3008 */
2820 3009
2821/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3010/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2822#define DELIMIT_TEXT(x) \ 3011#define DELIMIT_TEXT(x) \
2823 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(R->rs[Rs_cutchars], (x)) != NULL)) 3012 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2824#ifdef MULTICHAR_SET
2825# define DELIMIT_REND(x) (((x) & RS_multiMask) ? 1 : 0)
2826#else
2827# define DELIMIT_REND(x) 1 3013#define DELIMIT_REND(x) 1
2828#endif
2829 3014
2830/* INTPROTO */
2831void 3015void
2832rxvt_selection_delimit_word(pR_ enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3016rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
2833{ 3017{
2834 int col, row, dirnadd, tcol, trow, w1, w2; 3018 int col, row, dirnadd, tcol, trow, w1, w2;
2835 row_col_t bound; 3019 row_col_t bound;
2836 text_t *stp; 3020 text_t *stp;
2837 rend_t *srp; 3021 rend_t *srp;
2838 3022
2839 if (dirn == UP) { 3023 if (dirn == UP)
2840 bound.row = R->TermWin.saveLines - R->TermWin.nscrolled - 1; 3024 {
3025 bound.row = top_row - 1;
2841 bound.col = 0; 3026 bound.col = 0;
2842 dirnadd = -1; 3027 dirnadd = -1;
2843 } else { 3028 }
2844 bound.row = R->TermWin.saveLines + R->TermWin.nrow; 3029 else
3030 {
3031 bound.row = nrow;
2845 bound.col = R->TermWin.ncol - 1; 3032 bound.col = ncol - 1;
2846 dirnadd = 1; 3033 dirnadd = 1;
2847 } 3034 }
2848 row = mark->row + R->TermWin.saveLines; 3035
3036 row = mark->row;
2849 col = mark->col; 3037 col = max (mark->col, 0);
2850 MAX_IT(col, 0); 3038
2851/* find the edge of a word */ 3039 /* find the edge of a word */
2852 stp = &(R->screen.text[row][col]); 3040 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2853 w1 = DELIMIT_TEXT(*stp); 3041 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2854 3042
2855 if (R->selection_style != NEW_SELECT) { 3043 for (;;)
2856 if (w1 == 1) { 3044 {
3045 for (; col != bound.col; col += dirnadd)
3046 {
2857 stp += dirnadd; 3047 stp += dirnadd;
2858 if (DELIMIT_TEXT(*stp) == 1)
2859 goto Old_Word_Selection_You_Die;
2860 col += dirnadd;
2861 }
2862 w1 = 0;
2863 }
2864 srp = (&R->screen.rend[row][col]);
2865 w2 = DELIMIT_REND(*srp);
2866
2867 for (;;) {
2868 for (; col != bound.col; col += dirnadd) {
2869 stp += dirnadd; 3048 srp += dirnadd;
3049
3050 if (*stp == NOCHAR)
3051 continue;
3052
2870 if (DELIMIT_TEXT(*stp) != w1) 3053 if (DELIMIT_TEXT (*stp) != w1)
3054 break;
3055 if (DELIMIT_REND (*srp) != w2)
3056 break;
3057 }
3058
3059 if ((col == bound.col) && (row != bound.row))
3060 {
3061 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3062 {
3063 trow = row + dirnadd;
3064 tcol = dirn == UP ? ncol - 1 : 0;
3065
3066 if (!ROW(trow).t)
2871 break; 3067 break;
2872 srp += dirnadd; 3068
2873 if (DELIMIT_REND(*srp) != w2) 3069 stp = ROW(trow).t + tcol;
3070 srp = ROW(trow).r + tcol;
3071
3072 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
2874 break; 3073 break;
2875 } 3074
2876 if ((col == bound.col) && (row != bound.row)) {
2877 if (R->screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) {
2878 trow = row + dirnadd;
2879 tcol = dirn == UP ? R->TermWin.ncol - 1 : 0;
2880 if (R->screen.text[trow] == NULL)
2881 break;
2882 stp = &(R->screen.text[trow][tcol]);
2883 srp = &(R->screen.rend[trow][tcol]);
2884 if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2)
2885 break;
2886 row = trow; 3075 row = trow;
2887 col = tcol; 3076 col = tcol;
2888 continue; 3077 continue;
2889 } 3078 }
2890 } 3079 }
2891 break; 3080 break;
2892 } 3081 }
2893 Old_Word_Selection_You_Die:
2894 D_SELECT((stderr, "rxvt_selection_delimit_word(%s,...) @ (r:%3d, c:%3d) has boundary (r:%3d, c:%3d)", (dirn == UP ? "up " : "down"), mark->row, mark->col, row - R->TermWin.saveLines, col));
2895 3082
2896 if (dirn == DN) 3083 if (dirn == DN)
2897 col++; /* put us on one past the end */ 3084 col++; /* put us on one past the end */
2898 3085
2899/* Poke the values back in */ 3086 /* Poke the values back in */
2900 ret->row = row - R->TermWin.saveLines; 3087 ret->row = row;
2901 ret->col = col; 3088 ret->col = col;
2902} 3089}
2903 3090
2904/* ------------------------------------------------------------------------- */ 3091/* ------------------------------------------------------------------------- */
2905/* 3092/*
2906 * Extend the selection to the specified x/y pixel location 3093 * Extend the selection to the specified x/y pixel location
2907 * EXT: button 3 press; button 1 or 3 drag 3094 * EXT: button 3 press; button 1 or 3 drag
2908 * flag == 0 ==> button 1 3095 * flag == 0 ==> button 1
2909 * flag == 1 ==> button 3 press 3096 * flag == 1 ==> button 3 press
2910 * flag == 2 ==> button 3 motion 3097 * flag == 2 ==> button 3 motion
2911 */ 3098 */
2912/* EXTPROTO */
2913void 3099void
2914rxvt_selection_extend(pR_ int x, int y, int flag) 3100rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
2915{ 3101{
2916 int col, row; 3102 int col = clamp (Pixel2Col (x), 0, ncol);
3103 int row = clamp (Pixel2Row (y), 0, nrow - 1);
2917 3104
2918 col = Pixel2Col(x); 3105 /*
2919 row = Pixel2Row(y);
2920 MAX_IT(row, 0);
2921 MIN_IT(row, (int)R->TermWin.nrow - 1);
2922 MAX_IT(col, 0);
2923 MIN_IT(col, (int)R->TermWin.ncol);
2924#ifndef NO_NEW_SELECTION
2925/*
2926 * If we're selecting characters (single click) then we must check first 3106 * If we're selecting characters (single click) then we must check first
2927 * if we are at the same place as the original mark. If we are then 3107 * if we are at the same place as the original mark. If we are then
2928 * select nothing. Otherwise, if we're to the right of the mark, you have to 3108 * select nothing. Otherwise, if we're to the right of the mark, you have to
2929 * be _past_ a character for it to be selected. 3109 * be _past_ a character for it to be selected.
2930 */ 3110 */
2931 if (R->selection_style != OLD_SELECT) {
2932 if (((R->selection.clicks % 3) == 1) && !flag 3111 if (((selection.clicks % 3) == 1) && !flag
2933 && (col == R->selection.mark.col 3112 && (col == selection.mark.col
2934 && (row == R->selection.mark.row + R->TermWin.view_start))) { 3113 && (row == selection.mark.row - view_start)))
3114 {
2935 /* select nothing */ 3115 /* select nothing */
2936 R->selection.beg.row = R->selection.end.row = 0; 3116 selection.beg.row = selection.end.row = 0;
2937 R->selection.beg.col = R->selection.end.col = 0; 3117 selection.beg.col = selection.end.col = 0;
2938 R->selection.clicks = 4; 3118 selection.clicks = 4;
2939 R->want_refresh = 1; 3119 want_refresh = 1;
2940 D_SELECT((stderr, "rxvt_selection_extend() R->selection.clicks = 4"));
2941 return; 3120 return;
2942 }
2943 } 3121 }
2944#endif 3122
2945 if (R->selection.clicks == 4) 3123 if (selection.clicks == 4)
2946 R->selection.clicks = 1; 3124 selection.clicks = 1;
3125
2947 rxvt_selection_extend_colrow(aR_ col, row, !!flag, /* ? button 3 */ 3126 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
2948 flag == 1 ? 1 : 0, /* ? button press */ 3127 flag == 1 ? 1 : 0, /* ? button press */
2949 0); /* no click change */ 3128 0); /* no click change */
2950} 3129}
2951 3130
2952/* ------------------------------------------------------------------------- */ 3131/* ------------------------------------------------------------------------- */
2953/* 3132/*
2954 * Extend the selection to the specified col/row 3133 * Extend the selection to the specified col/row
2955 */ 3134 */
2956/* INTPROTO */
2957void 3135void
2958rxvt_selection_extend_colrow(pR_ int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3136rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
2959{ 3137{
2960 int16_t ncol = R->TermWin.ncol;
2961 int end_col;
2962 row_col_t pos; 3138 row_col_t pos;
2963 enum { 3139 enum {
2964 LEFT, RIGHT 3140 LEFT, RIGHT
2965 } closeto = RIGHT; 3141 } closeto = RIGHT;
2966 3142
2967 D_SELECT((stderr, "rxvt_selection_extend_colrow(c:%d, r:%d, %d, %d) clicks:%d, op:%d", col, row, button3, buttonpress, R->selection.clicks, R->selection.op));
2968 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", R->selection.beg.row, R->selection.beg.col, R->selection.mark.row, R->selection.mark.col, R->selection.end.row, R->selection.end.col));
2969
2970 R->want_refresh = 1; 3143 want_refresh = 1;
3144
2971 switch (R->selection.op) { 3145 switch (selection.op)
3146 {
2972 case SELECTION_INIT: 3147 case SELECTION_INIT:
2973 CLEAR_SELECTION(R); 3148 CLEAR_SELECTION ();
2974 R->selection.op = SELECTION_BEGIN; 3149 selection.op = SELECTION_BEGIN;
2975 /* FALLTHROUGH */ 3150 /* FALLTHROUGH */
2976 case SELECTION_BEGIN: 3151 case SELECTION_BEGIN:
2977 if (row != R->selection.mark.row || col != R->selection.mark.col 3152 if (row != selection.mark.row || col != selection.mark.col
2978 || (!button3 && buttonpress)) 3153 || (!button3 && buttonpress))
2979 R->selection.op = SELECTION_CONT; 3154 selection.op = SELECTION_CONT;
2980 break; 3155 break;
2981 case SELECTION_DONE: 3156 case SELECTION_DONE:
2982 R->selection.op = SELECTION_CONT; 3157 selection.op = SELECTION_CONT;
2983 /* FALLTHROUGH */ 3158 /* FALLTHROUGH */
2984 case SELECTION_CONT: 3159 case SELECTION_CONT:
2985 break; 3160 break;
2986 case SELECTION_CLEAR: 3161 case SELECTION_CLEAR:
2987 rxvt_selection_start_colrow(aR_ col, row); 3162 selection_start_colrow (col, row);
2988 /* FALLTHROUGH */ 3163 /* FALLTHROUGH */
2989 default: 3164 default:
2990 return; 3165 return;
2991 } 3166 }
3167
2992 if (R->selection.beg.col == R->selection.end.col 3168 if (selection.beg.col == selection.end.col
2993 && R->selection.beg.col != R->selection.mark.col 3169 && selection.beg.col != selection.mark.col
2994 && R->selection.beg.row == R->selection.end.row 3170 && selection.beg.row == selection.end.row
2995 && R->selection.beg.row != R->selection.mark.row) { 3171 && selection.beg.row != selection.mark.row)
3172 {
2996 R->selection.beg.col = R->selection.end.col = R->selection.mark.col; 3173 selection.beg.col = selection.end.col = selection.mark.col;
2997 R->selection.beg.row = R->selection.end.row = R->selection.mark.row; 3174 selection.beg.row = selection.end.row = selection.mark.row;
2998 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT2 b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", R->selection.beg.row, R->selection.beg.col, R->selection.mark.row, R->selection.mark.col, R->selection.end.row, R->selection.end.col));
2999 } 3175 }
3000 3176
3001 pos.col = col; 3177 pos.col = col;
3002 pos.row = row; 3178 pos.row = view_start + row;
3003 3179
3004 pos.row -= R->TermWin.view_start; /* adjust for scroll */ 3180 /*
3005 3181 * This is mainly xterm style selection with a couple of differences, mainly
3006#ifndef NO_OLD_SELECTION 3182 * in the way button3 drag extension works.
3007/* 3183 * We're either doing: button1 drag; button3 press; or button3 drag
3008 * This mimics some of the selection behaviour of version 2.20 and before. 3184 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3009 * There are no ``selection modes'', button3 is always character extension. 3185 * is always at the left/right edge of the selection.
3010 * Note: button3 drag is always available, c.f. v2.20 3186 * b) button3 press: extend/contract character/word/line at whichever edge of
3011 * Selection always terminates (left or right as appropriate) at the mark. 3187 * the selection we are closest to.
3188 * c) button3 drag : extend/contract character/word/line - we select around
3189 * a point/word/line which is either the start or end of the selection
3190 * and it was decided by whichever point/word/line was `fixed' at the
3191 * time of the most recent button3 press
3012 */ 3192 */
3013 if (R->selection_style == OLD_SELECT) { 3193 if (button3 && buttonpress)
3014 if (R->selection.clicks == 1 || button3) { 3194 {
3015 if (R->hate_those_clicks) { 3195 /* button3 press */
3016 R->hate_those_clicks = 0; 3196 /*
3017 if (R->selection.clicks == 1) { 3197 * first determine which edge of the selection we are closest to
3018 R->selection.beg.row = R->selection.mark.row; 3198 */
3019 R->selection.beg.col = R->selection.mark.col; 3199 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3020 } else { 3200 || (!ROWCOL_IS_AFTER (pos, selection.end)
3201 && (((pos.col - selection.beg.col)
3202 + ((pos.row - selection.beg.row) * ncol))
3203 < ((selection.end.col - pos.col)
3204 + ((selection.end.row - pos.row) * ncol)))))
3205 closeto = LEFT;
3206
3207 if (closeto == LEFT)
3208 {
3209 selection.beg.row = pos.row;
3210 selection.beg.col = pos.col;
3211 selection.mark.row = selection.end.row;
3212 selection.mark.col = selection.end.col - (selection.clicks == 2);
3213 }
3214 else
3215 {
3216 selection.end.row = pos.row;
3217 selection.end.col = pos.col;
3021 R->selection.mark.row = R->selection.beg.row; 3218 selection.mark.row = selection.beg.row;
3022 R->selection.mark.col = R->selection.beg.col; 3219 selection.mark.col = selection.beg.col;
3220 }
3221 }
3222 else
3223 {
3224 /* button1 drag or button3 drag */
3225 if (ROWCOL_IS_AFTER (selection.mark, pos))
3226 {
3227 if (selection.mark.row == selection.end.row
3228 && selection.mark.col == selection.end.col
3229 && clickchange
3230 && selection.clicks == 2)
3231 selection.mark.col--;
3232
3233 selection.beg.row = pos.row;
3234 selection.beg.col = pos.col;
3235 selection.end.row = selection.mark.row;
3236 selection.end.col = selection.mark.col + (selection.clicks == 2);
3237 }
3238 else
3239 {
3240 selection.beg.row = selection.mark.row;
3241 selection.beg.col = selection.mark.col;
3242 selection.end.row = pos.row;
3243 selection.end.col = pos.col;
3244 }
3245 }
3246
3247 if (selection.clicks == 1)
3248 {
3249 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3250 && !ROW(selection.beg.row).is_longer ()
3251#if !ENABLE_MINIMAL
3252 && !selection.rect
3253#endif
3254 )
3255 selection.beg.col = ncol;
3256
3257 if (
3258 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3259 && !ROW(selection.end.row).is_longer ()
3260#if !ENABLE_MINIMAL
3261 && !selection.rect
3262#endif
3263 )
3264 selection.end.col = ncol;
3265 }
3266 else if (selection.clicks == 2)
3267 {
3268 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3269 selection.end.col--;
3270
3271 selection_delimit_word (UP, &selection.beg, &selection.beg);
3272 selection_delimit_word (DN, &selection.end, &selection.end);
3273 }
3274 else if (selection.clicks == 3)
3275 {
3276#if ENABLE_FRILLS
3277 if (option (Opt_tripleclickwords))
3278 {
3279 selection_delimit_word (UP, &selection.beg, &selection.beg);
3280
3281 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3282 {
3283 if (!ROW(end_row).is_longer ())
3284 {
3285 selection.end.row = end_row;
3286 selection.end.col = ROW(end_row).l;
3287# if !ENABLE_MINIMAL
3288 selection_remove_trailing_spaces ();
3289# endif
3290 break;
3023 } 3291 }
3024 } 3292 }
3025 if (ROWCOL_IS_BEFORE(pos, R->selection.mark)) {
3026 R->selection.end.row = R->selection.mark.row;
3027 R->selection.end.col = R->selection.mark.col + 1;
3028 R->selection.beg.row = pos.row;
3029 R->selection.beg.col = pos.col;
3030 } else {
3031 R->selection.beg.row = R->selection.mark.row;
3032 R->selection.beg.col = R->selection.mark.col;
3033 R->selection.end.row = pos.row;
3034 R->selection.end.col = pos.col + 1;
3035 } 3293 }
3036 } else if (R->selection.clicks == 2) { 3294 else
3037 rxvt_selection_delimit_word(aR_ UP, &(R->selection.mark), 3295#endif
3038 &(R->selection.beg)); 3296 {
3039 rxvt_selection_delimit_word(aR_ DN, &(R->selection.mark), 3297 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3040 &(R->selection.end)); 3298 selection.mark.col++;
3041 R->hate_those_clicks = 1; 3299
3042 } else if (R->selection.clicks == 3) {
3043 R->selection.beg.row = R->selection.end.row = R->selection.mark.row;
3044 R->selection.beg.col = 0; 3300 selection.beg.col = 0;
3045 R->selection.end.col = ncol; 3301 selection.end.col = ncol;
3046 R->hate_those_clicks = 1; 3302
3047 } 3303 // select a complete logical line
3048 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", R->selection.beg.row, R->selection.beg.col, R->selection.mark.row, R->selection.mark.col, R->selection.end.row, R->selection.end.col)); 3304 while (selection.beg.row > -saveLines
3049 return; 3305 && ROW(selection.beg.row - 1).is_longer ())
3050 } 3306 selection.beg.row--;
3051#endif /* ! NO_OLD_SELECTION */ 3307
3052#ifndef NO_NEW_SELECTION 3308 while (selection.end.row < nrow
3053/* selection_style must not be OLD_SELECT to get here */ 3309 && ROW(selection.end.row).is_longer ())
3054/* 3310 selection.end.row++;
3055 * This is mainly xterm style selection with a couple of differences, mainly
3056 * in the way button3 drag extension works.
3057 * We're either doing: button1 drag; button3 press; or button3 drag
3058 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3059 * is always at the left/right edge of the R->selection.
3060 * b) button3 press: extend/contract character/word/line at whichever edge of
3061 * the selection we are closest to.
3062 * c) button3 drag : extend/contract character/word/line - we select around
3063 * a point/word/line which is either the start or end of the selection
3064 * and it was decided by whichever point/word/line was `fixed' at the
3065 * time of the most recent button3 press
3066 */
3067 if (button3 && buttonpress) { /* button3 press */
3068 /* 3311 }
3069 * first determine which edge of the selection we are closest to 3312 }
3070 */ 3313
3071 if (ROWCOL_IS_BEFORE(pos, R->selection.beg) 3314 if (button3 && buttonpress)
3072 || (!ROWCOL_IS_AFTER(pos, R->selection.end) 3315 {
3073 && (((pos.col - R->selection.beg.col) 3316 /* mark may need to be changed */
3074 + ((pos.row - R->selection.beg.row) * ncol))
3075 < ((R->selection.end.col - pos.col)
3076 + ((R->selection.end.row - pos.row) * ncol)))))
3077 closeto = LEFT;
3078 if (closeto == LEFT) { 3317 if (closeto == LEFT)
3079 R->selection.beg.row = pos.row; 3318 {
3080 R->selection.beg.col = pos.col;
3081 R->selection.mark.row = R->selection.end.row; 3319 selection.mark.row = selection.end.row;
3082 R->selection.mark.col = R->selection.end.col 3320 selection.mark.col = selection.end.col - (selection.clicks == 2);
3083 - (R->selection.clicks == 2); 3321 }
3084 } else { 3322 else
3085 R->selection.end.row = pos.row; 3323 {
3086 R->selection.end.col = pos.col;
3087 R->selection.mark.row = R->selection.beg.row; 3324 selection.mark.row = selection.beg.row;
3088 R->selection.mark.col = R->selection.beg.col; 3325 selection.mark.col = selection.beg.col;
3089 }
3090 } else { /* button1 drag or button3 drag */
3091 if (ROWCOL_IS_AFTER(R->selection.mark, pos)) {
3092 if ((R->selection.mark.row == R->selection.end.row)
3093 && (R->selection.mark.col == R->selection.end.col)
3094 && clickchange && R->selection.clicks == 2)
3095 R->selection.mark.col--;
3096 R->selection.beg.row = pos.row;
3097 R->selection.beg.col = pos.col;
3098 R->selection.end.row = R->selection.mark.row;
3099 R->selection.end.col = R->selection.mark.col
3100 + (R->selection.clicks == 2);
3101 } else {
3102 R->selection.beg.row = R->selection.mark.row;
3103 R->selection.beg.col = R->selection.mark.col;
3104 R->selection.end.row = pos.row;
3105 R->selection.end.col = pos.col;
3106 }
3107 }
3108
3109 if (R->selection.clicks == 1) {
3110 end_col = R->screen.tlen[R->selection.beg.row + R->TermWin.saveLines];
3111 if (end_col != -1 && R->selection.beg.col > end_col) {
3112#if 1
3113 R->selection.beg.col = ncol;
3114#else
3115 if (R->selection.beg.row != R->selection.end.row)
3116 R->selection.beg.col = ncol;
3117 else
3118 R->selection.beg.col = R->selection.mark.col;
3119#endif
3120 }
3121 end_col = R->screen.tlen[R->selection.end.row + R->TermWin.saveLines];
3122 if (end_col != -1 && R->selection.end.col > end_col)
3123 R->selection.end.col = ncol;
3124
3125 } else if (R->selection.clicks == 2) {
3126 if (ROWCOL_IS_AFTER(R->selection.end, R->selection.beg))
3127 R->selection.end.col--;
3128 rxvt_selection_delimit_word(aR_ UP, &(R->selection.beg),
3129 &(R->selection.beg));
3130 rxvt_selection_delimit_word(aR_ DN, &(R->selection.end),
3131 &(R->selection.end));
3132 } else if (R->selection.clicks == 3) {
3133#ifndef NO_FRILLS
3134 if ((R->Options & Opt_tripleclickwords)) {
3135 int end_row;
3136
3137 rxvt_selection_delimit_word(aR_ UP, &(R->selection.beg),
3138 &(R->selection.beg));
3139 end_row = R->screen.tlen[R->selection.mark.row
3140 + R->TermWin.saveLines];
3141 for (end_row = R->selection.mark.row; end_row < R->TermWin.nrow;
3142 end_row++) {
3143 end_col = R->screen.tlen[end_row + R->TermWin.saveLines];
3144 if (end_col != -1) {
3145 R->selection.end.row = end_row;
3146 R->selection.end.col = end_col;
3147 rxvt_selection_remove_trailing_spaces(aR);
3148 break;
3149 }
3150 }
3151 } else
3152#endif
3153 { 3326 }
3154 if (ROWCOL_IS_AFTER(R->selection.mark, R->selection.beg))
3155 R->selection.mark.col++;
3156 R->selection.beg.col = 0;
3157 R->selection.end.col = ncol;
3158 }
3159 } 3327 }
3160 if (button3 && buttonpress) { /* mark may need to be changed */
3161 if (closeto == LEFT) {
3162 R->selection.mark.row = R->selection.end.row;
3163 R->selection.mark.col = R->selection.end.col
3164 - (R->selection.clicks == 2);
3165 } else {
3166 R->selection.mark.row = R->selection.beg.row;
3167 R->selection.mark.col = R->selection.beg.col;
3168 }
3169 }
3170 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", R->selection.beg.row, R->selection.beg.col, R->selection.mark.row, R->selection.mark.col, R->selection.end.row, R->selection.end.col));
3171#endif /* ! NO_NEW_SELECTION */
3172}
3173 3328
3174#ifndef NO_FRILLS 3329#if !ENABLE_MINIMAL
3175/* INTPROTO */ 3330 if (selection.rect && selection.beg.col > selection.end.col)
3331 ::swap (selection.beg.col, selection.end.col);
3332#endif
3333}
3334
3335#if !ENABLE_MINIMAL
3176void 3336void
3177rxvt_selection_remove_trailing_spaces(pR) 3337rxvt_term::selection_remove_trailing_spaces () NOTHROW
3178{ 3338{
3179 int32_t end_col, end_row; 3339 int32_t end_col, end_row;
3180 text_t *stp; 3340 text_t *stp;
3181 3341
3182 end_col = R->selection.end.col; 3342 end_col = selection.end.col;
3183 end_row = R->selection.end.row; 3343 end_row = selection.end.row;
3344
3184 for ( ; end_row >= R->selection.beg.row; ) { 3345 for (; end_row >= selection.beg.row; )
3185 stp = R->screen.text[end_row + R->TermWin.saveLines]; 3346 {
3347 stp = ROW(end_row).t;
3348
3186 while (--end_col >= 0) { 3349 while (--end_col >= 0)
3187 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3188 break;
3189 } 3350 {
3190 if (end_col >= 0 3351 if (stp[end_col] != NOCHAR
3191 || R->screen.tlen[end_row - 1 + R->TermWin.saveLines] != -1) { 3352 && !unicode::is_space (stp[end_col]))
3192 R->selection.end.col = end_col + 1;
3193 R->selection.end.row = end_row;
3194 break; 3353 break;
3195 } 3354 }
3355
3356 if (end_col >= 0
3357 || !ROW(end_row - 1).is_longer ())
3358 {
3359 selection.end.col = end_col + 1;
3360 selection.end.row = end_row;
3361 break;
3362 }
3363
3196 end_row--; 3364 end_row--;
3197 end_col = R->TermWin.ncol; 3365 end_col = ncol;
3198 } 3366 }
3367
3199 if (R->selection.mark.row > R->selection.end.row) { 3368 if (selection.mark.row > selection.end.row)
3369 {
3200 R->selection.mark.row = R->selection.end.row; 3370 selection.mark.row = selection.end.row;
3201 R->selection.mark.col = R->selection.end.col; 3371 selection.mark.col = selection.end.col;
3372 }
3202 } else if (R->selection.mark.row == R->selection.end.row 3373 else if (selection.mark.row == selection.end.row
3203 && R->selection.mark.col > R->selection.end.col) 3374 && selection.mark.col > selection.end.col)
3204 R->selection.mark.col = R->selection.end.col; 3375 selection.mark.col = selection.end.col;
3205} 3376}
3206#endif 3377#endif
3207 3378
3208/* ------------------------------------------------------------------------- */ 3379/* ------------------------------------------------------------------------- */
3209/* 3380/*
3210 * Double click on button 3 when already selected 3381 * Double click on button 3 when already selected
3211 * EXT: button 3 double click 3382 * EXT: button 3 double click
3212 */ 3383 */
3213/* EXTPROTO */
3214void 3384void
3215rxvt_selection_rotate(pR_ int x, int y) 3385rxvt_term::selection_rotate (int x, int y) NOTHROW
3216{ 3386{
3217 R->selection.clicks = R->selection.clicks % 3 + 1; 3387 selection.clicks = selection.clicks % 3 + 1;
3218 rxvt_selection_extend_colrow(aR_ Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3388 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3219} 3389}
3220
3221/* ------------------------------------------------------------------------- */
3222/*
3223 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3224 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3225 * the X11 protocol.
3226 */
3227typedef CARD32 Atom32;
3228 3390
3229/* ------------------------------------------------------------------------- */ 3391/* ------------------------------------------------------------------------- */
3230/* 3392/*
3231 * Respond to a request for our current selection 3393 * Respond to a request for our current selection
3232 * EXT: SelectionRequest 3394 * EXT: SelectionRequest
3233 */ 3395 */
3234/* EXTPROTO */
3235void 3396void
3236rxvt_selection_send(pR_ const XSelectionRequestEvent *rq) 3397rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3237{ 3398{
3399 Atom property = rq.property == None ? rq.target : rq.property;
3238 XSelectionEvent ev; 3400 XSelectionEvent ev;
3401
3402 ev.type = SelectionNotify;
3403 ev.property = None;
3404 ev.display = rq.display;
3405 ev.requestor = rq.requestor;
3406 ev.selection = rq.selection;
3407 ev.target = rq.target;
3408 ev.time = rq.time;
3409
3410 if (rq.target == xa[XA_TARGETS])
3411 {
3412 Atom target_list[6];
3413 Atom *target = target_list;
3414
3415 *target++ = xa[XA_TARGETS];
3416 *target++ = xa[XA_TIMESTAMP];
3417 *target++ = XA_STRING;
3418 *target++ = xa[XA_TEXT];
3419 *target++ = xa[XA_COMPOUND_TEXT];
3420#if X_HAVE_UTF8_STRING
3421 *target++ = xa[XA_UTF8_STRING];
3422#endif
3423
3424 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3425 32, PropModeReplace,
3426 (unsigned char *)target_list, target - target_list);
3427 ev.property = property;
3428 }
3429#if TODO // TODO
3430 else if (rq.target == xa[XA_MULTIPLE])
3431 {
3432 /* TODO: Handle MULTIPLE */
3433 }
3434#endif
3435 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3436 {
3437 XChangeProperty (dpy, rq.requestor, property, rq.target,
3438 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3439 ev.property = property;
3440 }
3441 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3442 {
3443 XChangeProperty (dpy, rq.requestor, property, rq.target,
3444 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3445 ev.property = property;
3446 }
3447 else if (rq.target == XA_STRING
3448 || rq.target == xa[XA_TEXT]
3449 || rq.target == xa[XA_COMPOUND_TEXT]
3450 || rq.target == xa[XA_UTF8_STRING]
3451 )
3452 {
3453 XTextProperty ct;
3454 Atom target = rq.target;
3455 short freect = 0;
3456 int selectlen;
3457 wchar_t *cl;
3458 enum {
3459 enc_string = XStringStyle,
3460 enc_text = XStdICCTextStyle,
3461 enc_compound_text = XCompoundTextStyle,
3462#ifdef X_HAVE_UTF8_STRING
3463 enc_utf8 = XUTF8StringStyle,
3464#else
3465 enc_utf8 = -1,
3466#endif
3467 } style;
3468
3469 if (target == XA_STRING)
3470 // we actually don't do XA_STRING, but who cares, as i18n clients
3471 // will ask for another format anyways.
3472 style = enc_string;
3473 else if (target == xa[XA_TEXT])
3474 style = enc_text;
3475 else if (target == xa[XA_COMPOUND_TEXT])
3476 style = enc_compound_text;
3477#if !ENABLE_MINIMAL
3478 else if (target == xa[XA_UTF8_STRING])
3479 style = enc_utf8;
3480#endif
3481 else
3482 {
3483 target = xa[XA_COMPOUND_TEXT];
3484 style = enc_compound_text;
3485 }
3486
3487 if (rq.selection == XA_PRIMARY && selection.text)
3488 {
3489 cl = selection.text;
3490 selectlen = selection.len;
3491 }
3492 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3493 {
3494 cl = selection.clip_text;
3495 selectlen = selection.clip_len;
3496 }
3497 else
3498 {
3499 cl = L"";
3500 selectlen = 0;
3501 }
3502
3503#if !ENABLE_MINIMAL
3504 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3505 // so recode it manually
3506 if (style == enc_utf8)
3507 {
3508 freect = 1;
3509 ct.encoding = target;
3510 ct.format = 8;
3511 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3512 ct.nitems = strlen ((char *)ct.value);
3513 }
3514 else
3515#endif
3516 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3517 freect = 1;
3518 else
3519 {
3520 /* if we failed to convert then send it raw */
3521 ct.value = (unsigned char *)cl;
3522 ct.nitems = selectlen;
3523 ct.encoding = target;
3524 }
3525
3526 XChangeProperty (dpy, rq.requestor, property,
3527 ct.encoding, 8, PropModeReplace,
3528 ct.value, (int)ct.nitems);
3529 ev.property = property;
3530
3531 if (freect)
3532 XFree (ct.value);
3533 }
3534
3535 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3536}
3537
3538/* ------------------------------------------------------------------------- */
3239#ifdef USE_XIM 3539#ifdef USE_XIM
3240 Atom32 target_list[4]; 3540void
3241#else 3541rxvt_term::im_set_position (XPoint &pos) NOTHROW
3242 Atom32 target_list[3]; 3542{
3243#endif 3543 XWindowAttributes xwa;
3244 Atom target;
3245 XTextProperty ct;
3246 XICCEncodingStyle style;
3247 char *cl[2], dummy[1];
3248 3544
3249 ev.type = SelectionNotify; 3545 XGetWindowAttributes (dpy, vt, &xwa);
3250 ev.property = None;
3251 ev.display = rq->display;
3252 ev.requestor = rq->requestor;
3253 ev.selection = rq->selection;
3254 ev.target = rq->target;
3255 ev.time = rq->time;
3256 3546
3257 if (rq->target == R->xa[XA_TARGETS]) { 3547 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3258 target_list[0] = (Atom32) R->xa[XA_TARGETS]; 3548 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3259 target_list[1] = (Atom32) XA_STRING; 3549}
3260 target_list[2] = (Atom32) R->xa[XA_TEXT];
3261#ifdef USE_XIM
3262 target_list[3] = (Atom32) R->xa[XA_COMPOUND_TEXT];
3263#endif 3550#endif
3264 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, XA_ATOM,
3265 (8 * sizeof(target_list[0])), PropModeReplace,
3266 (unsigned char *)target_list,
3267 (sizeof(target_list) / sizeof(target_list[0])));
3268 ev.property = rq->property;
3269 } else if (rq->target == R->xa[XA_MULTIPLE]) {
3270 /* TODO: Handle MULTIPLE */
3271 } else if (rq->target == R->xa[XA_TIMESTAMP] && R->selection.text) {
3272 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, XA_INTEGER,
3273 (8 * sizeof(Time)), PropModeReplace,
3274 (unsigned char *)&R->selection_time, 1);
3275 ev.property = rq->property;
3276 } else if (rq->target == XA_STRING
3277 || rq->target == R->xa[XA_COMPOUND_TEXT]
3278 || rq->target == R->xa[XA_TEXT]) {
3279#ifdef USE_XIM
3280 short freect = 0;
3281#endif
3282 int selectlen;
3283 3551
3284#ifdef USE_XIM 3552#if ENABLE_OVERLAY
3285 if (rq->target != XA_STRING) { 3553void
3286 target = R->xa[XA_COMPOUND_TEXT]; 3554rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3287 style = (rq->target == R->xa[XA_COMPOUND_TEXT]) 3555{
3288 ? XCompoundTextStyle : XStdICCTextStyle; 3556 if (nrow < 1 || ncol < 1)
3289 } else 3557 return;
3290#endif 3558
3291 { 3559 want_refresh = 1;
3292 target = XA_STRING; 3560
3293 style = XStringStyle; 3561 scr_overlay_off ();
3294 } 3562
3295 if (R->selection.text) { 3563 if (x < 0) x = ncol - w;
3296 cl[0] = (char *)R->selection.text; 3564 if (y < 0) y = nrow - h;
3297 selectlen = R->selection.len; 3565
3298 } else { 3566 // make space for border
3299 cl[0] = dummy; 3567 w += 2; min_it (w, ncol);
3300 *dummy = '\0'; 3568 h += 2; min_it (h, nrow);
3301 selectlen = 0; 3569
3302 } 3570 x -= 1; clamp_it (x, 0, ncol - w);
3303#ifdef USE_XIM 3571 y -= 1; clamp_it (y, 0, nrow - h);
3304 if (XmbTextListToTextProperty(R->Xdisplay, cl, 1, style, &ct) 3572
3305 == Success) /* if we failed to convert then send it raw */ 3573 ov.x = x; ov.y = y;
3306 freect = 1; 3574 ov.w = w; ov.h = h;
3575
3576 ov.text = new text_t *[h];
3577 ov.rend = new rend_t *[h];
3578
3579 for (y = 0; y < h; y++)
3580 {
3581 text_t *tp = ov.text[y] = new text_t[w];
3582 rend_t *rp = ov.rend[y] = new rend_t[w];
3583
3584 text_t t0, t1, t2;
3585 rend_t r = OVERLAY_RSTYLE;
3586
3587 if (y == 0)
3588 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3589 else if (y < h - 1)
3590 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3307 else 3591 else
3308#endif 3592 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3309 { 3593
3310 ct.value = (unsigned char *)cl[0]; 3594 *tp++ = t0;
3311 ct.nitems = selectlen; 3595 *rp++ = r;
3596
3597 for (x = w - 2; x > 0; --x)
3312 } 3598 {
3313 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, 3599 *tp++ = t1;
3314 target, 8, PropModeReplace, 3600 *rp++ = r;
3315 ct.value, (int)ct.nitems); 3601 }
3316 ev.property = rq->property; 3602
3317#ifdef USE_XIM 3603 *tp = t2;
3318 if (freect) 3604 *rp = r;
3319 XFree(ct.value); 3605 }
3320#endif 3606}
3607
3608void
3609rxvt_term::scr_overlay_off () NOTHROW
3610{
3611 if (!ov.text)
3612 return;
3613
3614 want_refresh = 1;
3615
3616 for (int y = 0; y < ov.h; y++)
3321 } 3617 {
3322 XSendEvent(R->Xdisplay, rq->requestor, False, 0L, (XEvent *)&ev); 3618 delete [] ov.text[y];
3619 delete [] ov.rend[y];
3620 }
3621
3622 delete [] ov.text; ov.text = 0;
3623 delete [] ov.rend; ov.rend = 0;
3323} 3624}
3324 3625
3626void
3627rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3628{
3629 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3630 return;
3631
3632 x++, y++;
3633
3634 ov.text[y][x] = text;
3635 ov.rend[y][x] = rend;
3636}
3637
3638void
3639rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3640{
3641 while (*s)
3642 scr_overlay_set (x++, y, *s++);
3643}
3644
3645void
3646rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3647{
3648 while (*s)
3649 {
3650 text_t t = *s++;
3651 int width = WCWIDTH (t);
3652
3653 while (width--)
3654 {
3655 scr_overlay_set (x++, y, t);
3656 t = NOCHAR;
3657 }
3658 }
3659}
3660
3661void
3662rxvt_term::scr_swap_overlay () NOTHROW
3663{
3664 if (!ov.text)
3665 return;
3666
3667 // hide cursor if it is within the overlay area
3668 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3669 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3670 screen.flags &= ~Screen_VisibleCursor;
3671
3672 // swap screen mem with overlay
3673 for (int y = ov.h; y--; )
3674 {
3675 text_t *t1 = ov.text[y];
3676 rend_t *r1 = ov.rend[y];
3677
3678 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3679 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3680
3681 for (int x = ov.w; x--; )
3682 {
3683 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3684 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3685 }
3686 }
3687}
3688
3689#endif
3325/* ------------------------------------------------------------------------- * 3690/* ------------------------------------------------------------------------- */
3326 * MOUSE ROUTINES *
3327 * ------------------------------------------------------------------------- */
3328 3691
3329/*
3330 * return col/row values corresponding to x/y pixel values
3331 */
3332/* EXTPROTO */
3333void
3334rxvt_pixel_position(pR_ int *x, int *y)
3335{
3336 *x = Pixel2Col(*x);
3337/* MAX_IT(*x, 0); MIN_IT(*x, (int)R->TermWin.ncol - 1); */
3338 *y = Pixel2Row(*y);
3339/* MAX_IT(*y, 0); MIN_IT(*y, (int)R->TermWin.nrow - 1); */
3340}
3341/* ------------------------------------------------------------------------- */
3342#ifdef USE_XIM
3343/* EXTPROTO */
3344void
3345rxvt_setPosition(pR_ XPoint *pos)
3346{
3347 XWindowAttributes xwa;
3348
3349 XGetWindowAttributes(R->Xdisplay, R->TermWin.vt, &xwa);
3350 pos->x = Col2Pixel(R->screen.cur.col) + xwa.x;
3351 pos->y = Height2Pixel((R->screen.cur.row + 1)) + xwa.y
3352 - R->TermWin.lineSpace;
3353}
3354#endif
3355/* ------------------------------------------------------------------------- */
3356
3357/* ------------------------------------------------------------------------- *
3358 * DEBUG ROUTINES *
3359 * ------------------------------------------------------------------------- */
3360#if 0
3361/* INTPROTO */
3362void
3363rxvt_debug_colors(void)
3364{
3365 int color;
3366 const char *name[] = {
3367 "fg", "bg",
3368 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3369 };
3370
3371 fprintf(stderr, "Color ( ");
3372 if (R->rstyle & RS_RVid)
3373 fprintf(stderr, "rvid ");
3374 if (R->rstyle & RS_Bold)
3375 fprintf(stderr, "bold ");
3376 if (R->rstyle & RS_Blink)
3377 fprintf(stderr, "blink ");
3378 if (R->rstyle & RS_Uline)
3379 fprintf(stderr, "uline ");
3380 fprintf(stderr, "): ");
3381
3382 color = GET_FGCOLOR(R->rstyle);
3383#ifndef NO_BRIGHTCOLOR
3384 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3385 color -= (minBrightCOLOR - minCOLOR);
3386 fprintf(stderr, "bright ");
3387 }
3388#endif
3389 fprintf(stderr, "%s on ", name[color]);
3390
3391 color = GET_BGCOLOR(R->rstyle);
3392#ifndef NO_BRIGHTCOLOR
3393 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3394 color -= (minBrightCOLOR - minCOLOR);
3395 fprintf(stderr, "bright ");
3396 }
3397#endif
3398 fprintf(stderr, "%s\n", name[color]);
3399}
3400#endif

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