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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.6 by pcg, Tue Dec 2 21:49:46 2003 UTC vs.
Revision 1.400 by sf-exg, Tue Nov 15 02:24:25 2011 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.c 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * $Id: screen.C,v 1.6 2003/12/02 21:49:46 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/* ------------------------------------------------------------------------- */ 42/* ------------------------------------------------------------------------- */
43#define PROP_SIZE 16384
44#define TABSIZE 8 /* default tab size */ 43#define TABSIZE 8 /* default tab size */
45 44
46/* ------------------------------------------------------------------------- * 45/* ------------------------------------------------------------------------- *
47 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 46 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
48 * ------------------------------------------------------------------------- */ 47 * ------------------------------------------------------------------------- */
49#define ZERO_SCROLLBACK(R) \ 48#define ZERO_SCROLLBACK() \
50 if (((R)->Options & Opt_scrollTtyOutput) == Opt_scrollTtyOutput) \ 49 if (option (Opt_scrollTtyOutput)) \
51 (R)->TermWin.view_start = 0 50 view_start = 0
52#define CLEAR_SELECTION(R) \ 51#define CLEAR_SELECTION() \
53 (R)->selection.beg.row = (R)->selection.beg.col \ 52 selection.beg.row = selection.beg.col \
54 = (R)->selection.end.row = (R)->selection.end.col = 0 53 = selection.end.row = selection.end.col = 0
55#define CLEAR_ALL_SELECTION(R) \ 54#define CLEAR_ALL_SELECTION() \
56 (R)->selection.beg.row = (R)->selection.beg.col \ 55 selection.beg.row = selection.beg.col \
57 = (R)->selection.mark.row = (R)->selection.mark.col \ 56 = selection.mark.row = selection.mark.col \
58 = (R)->selection.end.row = (R)->selection.end.col = 0 57 = selection.end.row = selection.end.col = 0
59 58
60#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ 59#define ROW_AND_COL_IS_AFTER(A, B, C, D) \
61 (((A) > (C)) || (((A) == (C)) && ((B) > (D)))) 60 (((A) > (C)) || (((A) == (C)) && ((B) > (D))))
62#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ 61#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
63 (((A) < (C)) || (((A) == (C)) && ((B) < (D)))) 62 (((A) < (C)) || (((A) == (C)) && ((B) < (D))))
64#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ 63#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \
65 (((A) == (C)) && ((B) > (D))) 64 (((A) == (C)) && ((B) > (D)))
66#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) \
67 (((A) == (C)) && ((B) >= (D))) 66 (((A) == (C)) && ((B) >= (D)))
68#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ 67#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \
69 (((A) == (C)) && ((B) < (D))) 68 (((A) == (C)) && ((B) < (D)))
70#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) \
71 (((A) == (C)) && ((B) <= (D))) 70 (((A) == (C)) && ((B) <= (D)))
72 71
73/* these must be row_col_t */ 72/* these must be row_col_t */
74#define ROWCOL_IS_AFTER(X, Y) \ 73#define ROWCOL_IS_AFTER(X, Y) \
75 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)
76#define ROWCOL_IS_BEFORE(X, Y) \ 75#define ROWCOL_IS_BEFORE(X, Y) \
77 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)
78#define ROWCOL_IN_ROW_AFTER(X, Y) \ 77#define ROWCOL_IN_ROW_AFTER(X, Y) \
79 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)
80#define ROWCOL_IN_ROW_BEFORE(X, Y) \ 79#define ROWCOL_IN_ROW_BEFORE(X, Y) \
81 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)
82#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 81#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
83 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)
84#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ 83#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
85 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)
86 85
87/* 86/*
88 * CLEAR_ROWS : clear <num> rows starting from row <row>
89 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 87 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
90 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
91 */ 88 */
92#define drawBuffer (R->TermWin.vt)
93
94#define CLEAR_ROWS(row, num) \
95 if (R->TermWin.mapped) \
96 XClearArea(R->Xdisplay, drawBuffer, R->TermWin.int_bwidth, \
97 Row2Pixel(row), (unsigned int)R->TermWin.width, \
98 (unsigned int)Height2Pixel(num), False)
99
100#define CLEAR_CHARS(x, y, num) \ 89#define CLEAR_CHARS(x, y, num) \
101 if (R->TermWin.mapped) \ 90 if (mapped) \
102 XClearArea(R->Xdisplay, drawBuffer, x, y, \ 91 XClearArea (dpy, vt, x, y, \
103 (unsigned int)Width2Pixel(num), \ 92 (unsigned int)Width2Pixel (num), \
104 (unsigned int)Height2Pixel(1), False) 93 (unsigned int)Height2Pixel (1), False)
105
106#define ERASE_ROWS(row, num) \
107 XFillRectangle(R->Xdisplay, drawBuffer, R->TermWin.gc, \
108 R->TermWin.int_bwidth, Row2Pixel(row), \
109 (unsigned int)R->TermWin.width, \
110 (unsigned int)Height2Pixel(num))
111 94
112/* ------------------------------------------------------------------------- * 95/* ------------------------------------------------------------------------- *
113 * SCREEN `COMMON' ROUTINES * 96 * SCREEN `COMMON' ROUTINES *
114 * ------------------------------------------------------------------------- */ 97 * ------------------------------------------------------------------------- */
98
115/* Fill part/all of a line with blanks. */ 99/* Fill part/all of a line with blanks. */
116/* INTPROTO */
117void 100void
118rxvt_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
119{ 102{
120 efs &= ~RS_baseattrMask; 103 if (!l.t)
104 {
105 lalloc (l);
106 col = 0;
107 width = ncol;
108 }
109
110 l.touch ();
111
112 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
121 efs = SET_FONT (efs, R->TermWin.fontset->find_font (' ')); 113 efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
122 114
115 text_t *et = l.t + col;
116 rend_t *er = l.r + col;
117
123 while (width--) 118 while (width--)
124 { 119 {
125 *et++ = ' '; 120 *et++ = ' ';
126 *er++ = efs; 121 *er++ = efs;
127 } 122 }
128} 123}
129 124
130/* ------------------------------------------------------------------------- */ 125/* ------------------------------------------------------------------------- */
131/* 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 */
132/* INTPROTO */
133void 127void
134rxvt_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
135{ 129{
136 int width = R->TermWin.ncol; 130 scr_blank_line (l, 0, ncol, efs);
137 rend_t *er;
138 131
139#ifdef DEBUG_STRICT 132 l.l = 0;
140 assert((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL)); 133 l.f = 0;
141#endif 134}
142 if (tp[row] == NULL) { 135
143 tp[row] = (text_t *)rxvt_malloc(sizeof(text_t) * width); 136// nuke a single wide character at the given column
144 rp[row] = (rend_t *)rxvt_malloc(sizeof(rend_t) * width); 137void
145 } 138rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW
146 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);
147} 155}
148 156
149/* ------------------------------------------------------------------------- * 157/* ------------------------------------------------------------------------- *
150 * SCREEN INITIALISATION * 158 * SCREEN INITIALISATION *
151 * ------------------------------------------------------------------------- */ 159 * ------------------------------------------------------------------------- */
152/* EXTPROTO */ 160
153void 161void
154rxvt_scr_reset(pR) 162rxvt_term::scr_reset ()
155{ 163{
156 unsigned int ncol, nrow, prev_ncol, prev_nrow, 164#if ENABLE_OVERLAY
157 total_rows, prev_total_rows; 165 scr_overlay_off ();
158 unsigned int p, q; 166#endif
159 int k;
160 rend_t setrstyle;
161 167
162 D_SCREEN((stderr, "rxvt_scr_reset()")); 168 view_start = 0;
163
164 R->TermWin.view_start = 0;
165 R->num_scr = 0; 169 num_scr = 0;
166 170
167 prev_ncol = R->prev_ncol; 171 if (ncol == 0)
168 prev_nrow = R->prev_nrow; 172 ncol = 80;
169 if (R->TermWin.ncol == 0) 173
170 R->TermWin.ncol = 80; 174 if (nrow == 0)
171 if (R->TermWin.nrow == 0) 175 nrow = 24;
172 R->TermWin.nrow = 24; 176
173 ncol = R->TermWin.ncol;
174 nrow = R->TermWin.nrow;
175 if (ncol == prev_ncol && nrow == prev_nrow) 177 if (ncol == prev_ncol && nrow == prev_nrow)
176 return; 178 return;
177 179
180 // we need at least two lines for wrapping to work correctly
181 while (nrow + saveLines < 2)
182 {
183 //TODO//FIXME
184 saveLines++;
185 prev_nrow--;
186 top_row--;
187 }
188
178 R->want_refresh = 1; 189 want_refresh = 1;
179 190
180 total_rows = nrow + R->TermWin.saveLines;
181 prev_total_rows = prev_nrow + R->TermWin.saveLines; 191 int prev_total_rows = prev_nrow + saveLines;
192 total_rows = nrow + saveLines;
182 193
183 R->screen.tscroll = 0; 194 screen.tscroll = 0;
184 R->screen.bscroll = nrow - 1; 195 screen.bscroll = nrow - 1;
185 196
186 if (prev_nrow == 0) { 197 if (!row_buf)
187/* 198 {
199 /*
188 * A: first time called so just malloc everything : don't rely on realloc 200 * first time called so just malloc everything: don't rely on realloc
189 * Note: this is still needed so that all the scrollback lines are NULL 201 */
190 */ 202 top_row = 0;
191 R->screen.text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *)); 203 term_start = 0;
192 R->buf_text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
193 R->drawn_text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
194 R->swap.text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
195 204
196 R->screen.tlen = (int16_t *)rxvt_calloc(total_rows, sizeof(int16_t)); 205 talloc = new rxvt_salloc (ncol * sizeof (text_t));
197 R->swap.tlen = (int16_t *)rxvt_calloc(nrow, sizeof(int16_t)); 206 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
198 207
199 R->screen.rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *)); 208 row_buf = (line_t *)rxvt_calloc (total_rows , sizeof (line_t));
200 R->buf_rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *)); 209 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
201 R->drawn_rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *)); 210 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
202 R->swap.rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
203 211
204 for (p = 0; p < nrow; p++) { 212 for (int row = nrow; row--; )
205 q = p + R->TermWin.saveLines;
206 rxvt_blank_screen_mem(aR_ R->screen.text, R->screen.rend,
207 q, DEFAULT_RSTYLE);
208 rxvt_blank_screen_mem(aR_ R->swap.text, R->swap.rend,
209 p, DEFAULT_RSTYLE);
210 R->screen.tlen[q] = R->swap.tlen[p] = 0;
211 rxvt_blank_screen_mem(aR_ R->drawn_text, R->drawn_rend,
212 p, DEFAULT_RSTYLE);
213 } 213 {
214 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
215 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
216 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
217 }
218
214 MEMSET(R->charsets, 'B', sizeof(R->charsets)); 219 memset (charsets, 'B', sizeof (charsets));
215 R->TermWin.nscrolled = 0; /* no saved lines */
216 R->rstyle = DEFAULT_RSTYLE; 220 rstyle = DEFAULT_RSTYLE;
217 R->screen.flags = Screen_DefaultFlags; 221 screen.flags = Screen_DefaultFlags;
218 R->screen.cur.row = R->screen.cur.col = 0; 222 screen.cur.row = screen.cur.col = 0;
219 R->screen.charset = 0; 223 screen.charset = 0;
220 R->current_screen = PRIMARY; 224 current_screen = PRIMARY;
221 rxvt_scr_cursor(aR_ SAVE); 225 scr_cursor (SAVE);
226
222#if NSCREENS 227#if NSCREENS
223 R->swap.flags = Screen_DefaultFlags; 228 swap.flags = Screen_DefaultFlags;
224 R->swap.cur.row = R->swap.cur.col = 0; 229 swap.cur.row = swap.cur.col = 0;
225 R->swap.charset = 0; 230 swap.charset = 0;
226 R->current_screen = SECONDARY; 231 current_screen = SECONDARY;
227 rxvt_scr_cursor(aR_ SAVE); 232 scr_cursor (SAVE);
228 R->current_screen = PRIMARY; 233 current_screen = PRIMARY;
229#endif 234#endif
235
230 R->selection.text = NULL; 236 selection.text = NULL;
231 R->selection.len = 0; 237 selection.len = 0;
232 R->selection.op = SELECTION_CLEAR; 238 selection.op = SELECTION_CLEAR;
233 R->selection.screen = PRIMARY; 239 selection.screen = PRIMARY;
234 R->selection.clicks = 0; 240 selection.clicks = 0;
235 CLEAR_ALL_SELECTION(R); 241 selection.clip_text = NULL;
236 R->rvideo = 0; 242 selection.clip_len = 0;
237 243 }
238 } else { 244 else
239/* 245 {
246 /*
240 * B1: add or delete rows as appropriate 247 * add or delete rows as appropriate
241 */ 248 */
242 setrstyle = DEFAULT_RSTYLE;
243 249
250 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
251 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
252
253#if 0
244 if (nrow < prev_nrow) { 254 if (nrow < prev_nrow)
245 /* delete rows */ 255 {
246 k = min(R->TermWin.nscrolled, prev_nrow - nrow);
247 rxvt_scroll_text(aR_ 0, (int)prev_nrow - 1, k, 1);
248 for (p = nrow; p < prev_nrow; p++) { 256 for (int row = nrow; row < prev_nrow; row++)
249 q = p + R->TermWin.saveLines; 257 {
250 if (R->screen.text[q]) { 258 lfree (swap_buf [row]);
251#ifdef DEBUG_STRICT 259 lfree (drawn_buf[row]);
252 assert(R->screen.rend[q]); 260 }
261 }
253#endif 262#endif
254 free(R->screen.text[q]); 263
255 free(R->screen.rend[q]); 264 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
265 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
266
267 for (int row = min (nrow, prev_nrow); row--; )
268 {
269 lresize (drawn_buf[row]);
270 lresize (swap_buf [row]);
271 }
272
273 for (int row = prev_nrow; row < nrow; row++)
274 {
275 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
276 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
277 }
278
279 line_t *old_buf = row_buf;
280 row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
281
282 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
283 int pend = MOD (term_start + top_row , prev_total_rows);
284 int q = total_rows; // rewrapped row
285
286 if (top_row)
287 {
288 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
289 // to come up with a lean and mean algorithm.
290 // TODO: maybe optimise when width didn't change
291
292 row_col_t ocur = screen.cur;
293 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
294
295 do
296 {
297 p = MOD (p - 1, prev_total_rows);
298 assert (old_buf [MOD (p, prev_total_rows)].t);
299 int plines = 1;
300 int llen = old_buf [MOD (p, prev_total_rows)].l;
301
302 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())
303 {
304 p = MOD (p - 1, prev_total_rows);
305
306 plines++;
307 llen += prev_ncol;
256 } 308 }
257 if (R->swap.text[p]) { 309
258#ifdef DEBUG_STRICT 310 int qlines = max (0, (llen - 1) / ncol) + 1;
259 assert(R->swap.rend[p]); 311
260#endif 312 // drop partial lines completely
261 free(R->swap.text[p]); 313 if (q < qlines)
262 free(R->swap.rend[p]); 314 break;
315
316 q -= qlines;
317
318 int lofs = 0;
319 line_t *qline;
320
321 // re-assemble the full line by destination lines
322 for (int qrow = q; qlines--; qrow++)
323 {
324 qline = row_buf + qrow;
325 lalloc (*qline);
326 qline->l = ncol;
327 qline->is_longer (1);
328
329 int qcol = 0;
330
331 // see below for cursor adjustment rationale
332 if (p == ocur.row)
333 screen.cur.row = q - (total_rows - nrow);
334
335 // fill a single destination line
336 while (lofs < llen && qcol < ncol)
337 {
338 int prow = lofs / prev_ncol;
339 int pcol = lofs % prev_ncol;
340
341 prow = MOD (p + prow, prev_total_rows);
342
343 // we only adjust the cursor _row_ and put it into
344 // the topmost line of "long line" it was in, as
345 // this seems to upset applications/shells/readline
346 // least.
347 if (prow == ocur.row)
348 screen.cur.row = q - (total_rows - nrow);
349
350 line_t &pline = old_buf [prow];
351
352 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
353
354 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
355 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
356
357 lofs += len;
358 qcol += len;
359 }
263 } 360 }
264#ifdef DEBUG_STRICT 361
265 assert(R->drawn_text[p] && R->drawn_rend[p]); 362 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
266#endif 363 qline->is_longer (0);
267 free(R->drawn_text[p]); 364 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
268 free(R->drawn_rend[p]);
269 } 365 }
270 /* we have fewer rows so fix up cursor position */ 366 while (p != pend && q > 0);
271 MIN_IT(R->screen.cur.row, (int32_t)nrow - 1);
272 MIN_IT(R->swap.cur.row, (int32_t)nrow - 1);
273 367
274 rxvt_scr_reset_realloc(aR); /* realloc _last_ */ 368 term_start = total_rows - nrow;
369 top_row = q - term_start;
275 370
276 } else if (nrow > prev_nrow) { 371 // make sure all terminal lines exist
277 /* add rows */ 372 while (top_row > 0)
278 rxvt_scr_reset_realloc(aR); /* realloc _first_ */ 373 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
374 }
375 else
376 {
377 // if no scrollback exists (yet), wing, instead of wrap
279 378
280 k = min(R->TermWin.nscrolled, nrow - prev_nrow); 379 for (int row = min (nrow, prev_nrow); row--; )
281 for (p = prev_total_rows; p < total_rows; p++) { 380 {
282 R->screen.tlen[p] = 0; 381 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)];
283 R->screen.text[p] = NULL; 382 line_t &qline = row_buf [row];
284 R->screen.rend[p] = NULL; 383
384 qline = pline;
385 lresize (qline);
285 } 386 }
286 for (p = prev_total_rows; p < total_rows - k; p++) 387
287 rxvt_blank_screen_mem(aR_ R->screen.text, R->screen.rend,
288 p, setrstyle);
289 for (p = prev_nrow; p < nrow; p++) { 388 for (int row = prev_nrow; row < nrow; row++)
290 R->swap.tlen[p] = 0; 389 {
291 R->swap.text[p] = NULL; 390 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
292 R->swap.rend[p] = NULL;
293 R->drawn_text[p] = NULL;
294 R->drawn_rend[p] = NULL;
295 rxvt_blank_screen_mem(aR_ R->swap.text, R->swap.rend,
296 p, setrstyle);
297 rxvt_blank_screen_mem(aR_ R->drawn_text, R->drawn_rend,
298 p, setrstyle);
299 } 391 }
300 if (k > 0) { 392
301 rxvt_scroll_text(aR_ 0, (int)nrow - 1, -k, 1); 393 term_start = 0;
302 R->screen.cur.row += k;
303 R->screen.s_cur.row += k;
304 R->TermWin.nscrolled -= k;
305 } 394 }
306#ifdef DEBUG_STRICT
307 assert(R->screen.cur.row < R->TermWin.nrow);
308 assert(R->swap.cur.row < R->TermWin.nrow);
309#else /* drive with your eyes closed */
310 MIN_IT(R->screen.cur.row, nrow - 1);
311 MIN_IT(R->swap.cur.row, nrow - 1);
312#endif
313 }
314/* B2: resize columns */
315 if (ncol != prev_ncol) {
316 for (p = 0; p < total_rows; p++) {
317 if (R->screen.text[p]) {
318 R->screen.text[p] = (text_t *)rxvt_realloc(R->screen.text[p], ncol * sizeof(text_t));
319 R->screen.rend[p] = (rend_t *)rxvt_realloc(R->screen.rend[p], ncol * sizeof(rend_t));
320 MIN_IT(R->screen.tlen[p], (int16_t)ncol);
321 if (ncol > prev_ncol)
322 rxvt_blank_line(aR_
323 &(R->screen.text[p][prev_ncol]),
324 &(R->screen.rend[p][prev_ncol]),
325 ncol - prev_ncol,
326 setrstyle);
327 }
328 }
329 for (p = 0; p < nrow; p++) {
330 R->drawn_text[p] = (text_t *)rxvt_realloc(R->drawn_text[p], ncol * sizeof(text_t));
331 R->drawn_rend[p] = (rend_t *)rxvt_realloc(R->drawn_rend[p], ncol * sizeof(rend_t));
332 if (R->swap.text[p]) {
333 R->swap.text[p] = (text_t *)rxvt_realloc(R->swap.text[p], ncol * sizeof(text_t));
334 R->swap.rend[p] = (rend_t *)rxvt_realloc(R->swap.rend[p], ncol * sizeof(rend_t));
335 MIN_IT(R->swap.tlen[p], (int16_t)ncol);
336 if (ncol > prev_ncol)
337 rxvt_blank_line(aR_
338 &(R->swap.text[p][prev_ncol]),
339 &(R->swap.rend[p][prev_ncol]),
340 ncol - prev_ncol, setrstyle);
341 }
342 if (ncol > prev_ncol)
343 rxvt_blank_line(aR_
344 &(R->drawn_text[p][prev_ncol]),
345 &(R->drawn_rend[p][prev_ncol]),
346 ncol - prev_ncol, setrstyle);
347 }
348 MIN_IT(R->screen.cur.col, (int16_t)ncol - 1);
349 MIN_IT(R->swap.cur.col, (int16_t)ncol - 1);
350 }
351 if (R->tabs)
352 free(R->tabs);
353 }
354 395
396 free (old_buf);
397 delete old_ta;
398 delete old_ra;
399
400 clamp_it (screen.cur.row, 0, nrow - 1);
401 clamp_it (screen.cur.col, 0, ncol - 1);
402 }
403
404 free (tabs);
355 R->tabs = (char *)rxvt_malloc(ncol * sizeof(char)); 405 tabs = (char *)rxvt_malloc (ncol);
356 406
357 for (p = 0; p < ncol; p++) 407 for (int col = ncol; col--; )
358 R->tabs[p] = (p % TABSIZE == 0) ? 1 : 0; 408 tabs [col] = col % TABSIZE == 0;
359 409
410 CLEAR_ALL_SELECTION ();
411
360 R->prev_nrow = nrow; 412 prev_nrow = nrow;
361 R->prev_ncol = ncol; 413 prev_ncol = ncol;
362 414
363 R->tt_winch (); 415 tt_winch ();
364}
365 416
366/* INTPROTO */ 417 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
367void
368rxvt_scr_reset_realloc(pR)
369{
370 uint16_t total_rows, nrow;
371
372 nrow = R->TermWin.nrow;
373 total_rows = nrow + R->TermWin.saveLines;
374/* *INDENT-OFF* */
375 R->screen.text = (text_t **)rxvt_realloc(R->screen.text, total_rows * sizeof(text_t *));
376 R->buf_text = (text_t **)rxvt_realloc(R->buf_text , total_rows * sizeof(text_t *));
377 R->drawn_text = (text_t **)rxvt_realloc(R->drawn_text , nrow * sizeof(text_t *));
378 R->swap.text = (text_t **)rxvt_realloc(R->swap.text , nrow * sizeof(text_t *));
379
380 R->screen.tlen = (int16_t *)rxvt_realloc(R->screen.tlen, total_rows * sizeof(int16_t));
381 R->swap.tlen = (int16_t *)rxvt_realloc(R->swap.tlen , total_rows * sizeof(int16_t));
382
383 R->screen.rend = (rend_t **)rxvt_realloc(R->screen.rend, total_rows * sizeof(rend_t *));
384 R->buf_rend = (rend_t **)rxvt_realloc(R->buf_rend , total_rows * sizeof(rend_t *));
385 R->drawn_rend = (rend_t **)rxvt_realloc(R->drawn_rend , nrow * sizeof(rend_t *));
386 R->swap.rend = (rend_t **)rxvt_realloc(R->swap.rend , nrow * sizeof(rend_t *));
387/* *INDENT-ON* */
388} 418}
389 419
390/* ------------------------------------------------------------------------- */ 420/* ------------------------------------------------------------------------- */
391/* 421/*
392 * Free everything. That way malloc debugging can find leakage. 422 * Free everything. That way malloc debugging can find leakage.
393 */ 423 */
394/* EXTPROTO */
395void 424void
396rxvt_scr_release(pR) 425rxvt_term::scr_release () NOTHROW
397{ 426{
398 uint16_t total_rows; 427 if (row_buf)
399 int i;
400
401 total_rows = R->TermWin.nrow + R->TermWin.saveLines;
402 for (i = 0; i < total_rows; i++) {
403 if (R->screen.text[i]) { /* then so is R->screen.rend[i] */
404 free(R->screen.text[i]);
405#ifdef DEBUG_STRICT
406 assert(R->screen.rend[i]);
407#endif
408 free(R->screen.rend[i]);
409 }
410 } 428 {
411 for (i = 0; i < R->TermWin.nrow; i++) { 429 delete talloc; talloc = 0;
412 free(R->drawn_text[i]); 430 delete ralloc; ralloc = 0;
413 free(R->drawn_rend[i]); 431
414 free(R->swap.text[i]); 432 free (row_buf);
415 free(R->swap.rend[i]); 433 free (swap_buf);
416 } 434 free (drawn_buf);
417 free(R->screen.text); 435 row_buf = 0; // signal that we freed all the arrays above
418 free(R->screen.tlen); 436
419 free(R->screen.rend);
420 free(R->drawn_text);
421 free(R->drawn_rend);
422 free(R->swap.text);
423 free(R->swap.tlen);
424 free(R->swap.rend);
425 free(R->buf_text);
426 free(R->buf_rend);
427 free(R->tabs); 437 free (tabs);
428 438 tabs = 0;
429/* NULL these so if anything tries to use them, we'll know about it */ 439 }
430 R->screen.text = R->drawn_text = R->swap.text = NULL;
431 R->screen.rend = R->drawn_rend = R->swap.rend = NULL;
432 R->screen.tlen = R->swap.tlen = NULL;
433 R->buf_text = NULL;
434 R->buf_rend = NULL;
435 R->tabs = NULL;
436} 440}
437 441
438/* ------------------------------------------------------------------------- */ 442/* ------------------------------------------------------------------------- */
439/* 443/*
440 * Hard reset 444 * Hard/Soft reset
441 */ 445 */
442/* EXTPROTO */
443void 446void
444rxvt_scr_poweron(pR) 447rxvt_term::scr_poweron ()
445{ 448{
446 D_SCREEN((stderr, "rxvt_scr_poweron()"));
447
448 rxvt_scr_release(aR); 449 scr_release ();
449 R->prev_nrow = R->prev_ncol = 0; 450 prev_nrow = prev_ncol = 0;
450 rxvt_scr_reset(aR); 451 rvideo_mode = false;
452 scr_soft_reset ();
453 scr_reset ();
451 454
452 rxvt_scr_clear(aR); 455 scr_clear (true);
453 rxvt_scr_refresh(aR_ SLOW_REFRESH); 456 scr_refresh ();
454#ifdef RXVT_GRAPHICS 457}
455 rxvt_Gr_reset(aR); 458
459void
460rxvt_term::scr_soft_reset ()
461{
462 /* only affects modes, nothing drastic such as clearing the screen */
463#if ENABLE_OVERLAY
464 scr_overlay_off ();
456#endif 465#endif
466
467 if (current_screen != PRIMARY)
468 scr_swap_screen ();
469
470 scr_scroll_region (0, MAX_ROWS - 1);
471 scr_rendition (0, ~RS_None);
472 scr_insert_mode (0);
457} 473}
458 474
459/* ------------------------------------------------------------------------- * 475/* ------------------------------------------------------------------------- *
460 * PROCESS SCREEN COMMANDS * 476 * PROCESS SCREEN COMMANDS *
461 * ------------------------------------------------------------------------- */ 477 * ------------------------------------------------------------------------- */
462/* 478/*
463 * Save and Restore cursor 479 * Save and Restore cursor
464 * XTERM_SEQ: Save cursor : ESC 7 480 * XTERM_SEQ: Save cursor : ESC 7
465 * XTERM_SEQ: Restore cursor: ESC 8 481 * XTERM_SEQ: Restore cursor: ESC 8
466 */ 482 */
467/* EXTPROTO */
468void 483void
469rxvt_scr_cursor(pR_ int mode) 484rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
470{ 485{
471 screen_t *s; 486 screen_t *s;
472
473 D_SCREEN((stderr, "rxvt_scr_cursor(%c)", mode));
474 487
475#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 488#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
476 if (R->current_screen == SECONDARY) 489 if (current_screen == SECONDARY)
477 s = &(R->swap); 490 s = &swap;
478 else 491 else
479#endif 492#endif
480 s = &(R->screen); 493 s = &screen;
494
481 switch (mode) { 495 switch (mode)
496 {
482 case SAVE: 497 case SAVE:
483 s->s_cur.row = s->cur.row; 498 s->s_cur.row = screen.cur.row;
484 s->s_cur.col = s->cur.col; 499 s->s_cur.col = screen.cur.col;
485 s->s_rstyle = R->rstyle; 500 s->s_rstyle = rstyle;
486 s->s_charset = s->charset; 501 s->s_charset = screen.charset;
487 s->s_charset_char = R->charsets[s->charset]; 502 s->s_charset_char = charsets[screen.charset];
488 break; 503 break;
504
489 case RESTORE: 505 case RESTORE:
490 R->want_refresh = 1; 506 want_refresh = 1;
491 s->cur.row = s->s_cur.row; 507 screen.cur.row = s->s_cur.row;
492 s->cur.col = s->s_cur.col; 508 screen.cur.col = s->s_cur.col;
493 s->flags &= ~Screen_WrapNext; 509 screen.flags &= ~Screen_WrapNext;
494 R->rstyle = s->s_rstyle; 510 rstyle = s->s_rstyle;
495 s->charset = s->s_charset; 511 screen.charset = s->s_charset;
496 R->charsets[s->charset] = s->s_charset_char; 512 charsets[screen.charset] = s->s_charset_char;
497 rxvt_set_font_style(aR); 513 set_font_style ();
498 break; 514 break;
499 } 515 }
516
500/* boundary check in case screen size changed between SAVE and RESTORE */ 517 /* boundary check in case screen size changed between SAVE and RESTORE */
501 MIN_IT(s->cur.row, R->TermWin.nrow - 1); 518 min_it (s->cur.row, nrow - 1);
502 MIN_IT(s->cur.col, R->TermWin.ncol - 1); 519 min_it (s->cur.col, ncol - 1);
503#ifdef DEBUG_STRICT
504 assert(s->cur.row >= 0); 520 assert (s->cur.row >= 0);
505 assert(s->cur.col >= 0); 521 assert (s->cur.col >= 0);
506#else /* drive with your eyes closed */ 522}
507 MAX_IT(s->cur.row, 0); 523
508 MAX_IT(s->cur.col, 0); 524void
509#endif 525rxvt_term::scr_swap_screen ()
526{
527 if (!option (Opt_secondaryScreen))
528 return;
529
530 for (int i = prev_nrow; i--; )
531 ::swap (ROW(i), swap_buf [i]);
532
533 ::swap (screen.cur, swap.cur);
534
535 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
536 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
510} 537}
511 538
512/* ------------------------------------------------------------------------- */ 539/* ------------------------------------------------------------------------- */
513/* 540/*
514 * Swap between primary and secondary screens 541 * Swap between primary and secondary screens
515 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 542 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
516 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 543 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
517 */ 544 */
518/* EXTPROTO */ 545void
519int
520rxvt_scr_change_screen(pR_ int scrn) 546rxvt_term::scr_change_screen (int scrn)
521{ 547{
522 int i; 548 if (scrn == current_screen)
549 return;
550
551 want_refresh = 1;
552 view_start = 0;
553
554 selection_check (2); /* check for boundary cross */
555
556 current_screen = scrn;
557
523#if NSCREENS 558#if NSCREENS
524 int offset; 559 if (option (Opt_secondaryScreen))
525#endif 560 {
526
527 R->want_refresh = 1;
528
529 D_SCREEN((stderr, "rxvt_scr_change_screen(%d)", scrn));
530
531 R->TermWin.view_start = 0;
532
533 if (R->current_screen == scrn)
534 return R->current_screen;
535
536 rxvt_selection_check(aR_ 2); /* check for boundary cross */
537
538 SWAP_IT(R->current_screen, scrn, int);
539#if NSCREENS
540 R->num_scr = 0; 561 num_scr = 0;
541 offset = R->TermWin.saveLines; 562
542 for (i = R->prev_nrow; i--;) { 563 scr_swap_screen ();
543 SWAP_IT(R->screen.text[i + offset], R->swap.text[i], text_t *); 564
544 SWAP_IT(R->screen.tlen[i + offset], R->swap.tlen[i], int16_t); 565 ::swap (screen.charset, swap.charset);
545 SWAP_IT(R->screen.rend[i + offset], R->swap.rend[i], rend_t *); 566 ::swap (screen.flags, swap.flags);
546 }
547 SWAP_IT(R->screen.cur.row, R->swap.cur.row, int16_t);
548 SWAP_IT(R->screen.cur.col, R->swap.cur.col, int16_t);
549# ifdef DEBUG_STRICT
550 assert((R->screen.cur.row >= 0) && (R->screen.cur.row < R->prev_nrow));
551 assert((R->screen.cur.col >= 0) && (R->screen.cur.col < R->prev_ncol));
552# else /* drive with your eyes closed */
553 MAX_IT(R->screen.cur.row, 0);
554 MIN_IT(R->screen.cur.row, (int32_t)R->prev_nrow - 1);
555 MAX_IT(R->screen.cur.col, 0);
556 MIN_IT(R->screen.cur.col, (int32_t)R->prev_ncol - 1);
557# endif
558 SWAP_IT(R->screen.charset, R->swap.charset, int16_t);
559 SWAP_IT(R->screen.flags, R->swap.flags, int);
560 R->screen.flags |= Screen_VisibleCursor; 567 screen.flags |= Screen_VisibleCursor;
561 R->swap.flags |= Screen_VisibleCursor; 568 swap.flags |= Screen_VisibleCursor;
562
563# ifdef RXVT_GRAPHICS
564
565 if (rxvt_Gr_Displayed(aR)) {
566 rxvt_Gr_scroll(aR_ 0);
567 rxvt_Gr_ChangeScreen(aR);
568 } 569 }
570 else
569# endif 571#endif
570#else 572 if (option (Opt_secondaryScroll))
571# ifdef SCROLL_ON_NO_SECONDARY
572# ifdef RXVT_GRAPHICS
573 if (rxvt_Gr_Displayed(aR))
574 rxvt_Gr_ClearScreen(aR);
575# endif
576 if (R->current_screen == PRIMARY
577# ifdef RXVT_GRAPHICS
578 && !rxvt_Gr_Displayed(aR)
579# endif
580 )
581 rxvt_scroll_text(aR_ 0, (R->prev_nrow - 1), R->prev_nrow, 0); 573 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
582# endif 574}
583#endif 575
576// clear WrapNext indicator, solidifying position on next line
577void
578rxvt_term::scr_do_wrap () NOTHROW
579{
580 if (!(screen.flags & Screen_WrapNext))
584 return scrn; 581 return;
582
583 screen.flags &= ~Screen_WrapNext;
584
585 screen.cur.col = 0;
586
587 if (screen.cur.row == screen.bscroll)
588 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
589 else if (screen.cur.row < nrow - 1)
590 screen.cur.row++;
585} 591}
586 592
587/* ------------------------------------------------------------------------- */ 593/* ------------------------------------------------------------------------- */
588/* 594/*
589 * Change the colour for following text 595 * Change the colour for following text
590 */ 596 */
591/* EXTPROTO */
592void 597void
593rxvt_scr_color(pR_ unsigned int color, int fgbg) 598rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
594{ 599{
600 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
595 color &= RS_fgMask; 601 color = fgbg;
602
596 if (fgbg == Color_fg) 603 if (fgbg == Color_fg)
597 R->rstyle = SET_FGCOLOR(R->rstyle, color); 604 rstyle = SET_FGCOLOR (rstyle, color);
598 else 605 else
599 R->rstyle = SET_BGCOLOR(R->rstyle, color); 606 rstyle = SET_BGCOLOR (rstyle, color);
600} 607}
601 608
602/* ------------------------------------------------------------------------- */ 609/* ------------------------------------------------------------------------- */
603/* 610/*
604 * Change the rendition style for following text 611 * Change the rendition style for following text
605 */ 612 */
606/* EXTPROTO */
607void 613void
608rxvt_scr_rendition(pR_ int set, int style) 614rxvt_term::scr_rendition (int set, int style) NOTHROW
609{ 615{
610 if (set) 616 if (set)
611 R->rstyle |= style; 617 rstyle |= style;
612 else if (style == ~RS_None) 618 else if (style == ~RS_None)
613 R->rstyle = DEFAULT_RSTYLE; 619 rstyle = DEFAULT_RSTYLE;
614 else 620 else
615 R->rstyle &= ~style; 621 rstyle &= ~style;
616} 622}
617 623
618/* ------------------------------------------------------------------------- */ 624/* ------------------------------------------------------------------------- */
619/* 625/*
620 * Scroll text between <row1> and <row2> inclusive, by <count> lines 626 * Scroll text between <row1> and <row2> inclusive, by <count> lines
621 * count positive ==> scroll up 627 * count positive ==> scroll up
622 * count negative ==> scroll down 628 * count negative ==> scroll down
623 * spec == 0 for normal routines
624 */ 629 */
625/* EXTPROTO */
626int 630int
627rxvt_scroll_text(pR_ int row1, int row2, int count, int spec) 631rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
628{ 632{
629 int i, j;
630 long nscrolled;
631
632 if (count == 0 || (row1 > row2)) 633 if (count == 0 || (row1 > row2))
633 return 0; 634 return 0;
634 635
635 R->want_refresh = 1; 636 want_refresh = 1;
636 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (R->current_screen == PRIMARY) ? "Primary" : "Secondary")); 637 num_scr += count;
637 638
638 if ((count > 0) && (row1 == 0) && (R->current_screen == PRIMARY)) { 639 if (count > 0
639 nscrolled = (long)R->TermWin.nscrolled + (long)count;; 640 && row1 == 0
640 if (nscrolled > (long)R->TermWin.saveLines) 641 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
641 R->TermWin.nscrolled = R->TermWin.saveLines; 642 {
643 min_it (count, total_rows - (nrow - (row2 + 1)));
644
645 top_row = max (top_row - count, -saveLines);
646
647 // sever bottommost line
648 {
649 line_t &l = ROW(row2);
650 l.is_longer (0);
651 l.touch ();
652 }
653
654 // scroll everything up 'count' lines
655 term_start = (term_start + count) % total_rows;
656
657 // now copy lines below the scroll region bottom to the
658 // bottom of the screen again, so they look as if they
659 // hadn't moved.
660 for (int i = nrow; --i > row2; )
661 {
662 line_t &l1 = ROW(i - count);
663 line_t &l2 = ROW(i);
664
665 ::swap (l1, l2);
666 l2.touch ();
667 }
668
669 // erase newly scrolled-in lines
670 for (int i = count; i--; )
671 {
672 line_t &l = ROW(row2 - i);
673
674 // optimise if already cleared, can be significant on slow machines
675 // could be rolled into scr_blank_screen_mem
676 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
677 {
678 scr_blank_line (l, 0, l.l, rstyle);
679 l.l = 0;
680 l.f = 0;
681 }
642 else 682 else
643 R->TermWin.nscrolled = (uint16_t)nscrolled; 683 scr_blank_screen_mem (l, rstyle);
644 if ((R->Options & Opt_scrollWithBuffer) 684 }
645 && R->TermWin.view_start != 0
646 && R->TermWin.view_start != R->TermWin.saveLines)
647 rxvt_scr_page(aR_ UP, count);
648 } else if (!spec)
649 row1 += R->TermWin.saveLines;
650 row2 += R->TermWin.saveLines;
651 685
686 // move and/or clear selection, if any
652 if (R->selection.op && R->current_screen == R->selection.screen) { 687 if (selection.op && current_screen == selection.screen)
653 i = R->selection.beg.row + R->TermWin.saveLines; 688 {
654 j = R->selection.end.row + R->TermWin.saveLines; 689 selection.beg.row -= count;
655 if ((i < row1 && j > row1) 690 selection.end.row -= count;
656 || (i < row2 && j > row2) 691 selection.mark.row -= count;
657 || (i - count < row1 && i >= row1) 692
658 || (i - count > row2 && i <= row2) 693 selection_check (0);
659 || (j - count < row1 && j >= row1) 694 }
660 || (j - count > row2 && j <= row2)) { 695
696 // finally move the view window, if desired
697 if (option (Opt_scrollWithBuffer)
698 && view_start != 0
699 && view_start != -saveLines)
700 scr_page (UP, count);
701
702 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
703 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
704 }
705 else
706 {
707 if (selection.op && current_screen == selection.screen)
708 {
709 if ((selection.beg.row < row1 && selection.end.row > row1)
710 || (selection.beg.row < row2 && selection.end.row > row2)
711 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
712 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
713 || (selection.end.row - count < row1 && selection.end.row >= row1)
714 || (selection.end.row - count > row2 && selection.end.row <= row2))
715 {
661 CLEAR_ALL_SELECTION(R); 716 CLEAR_ALL_SELECTION ();
662 R->selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */ 717 selection.op = SELECTION_CLEAR;
663 } else if (j >= row1 && j <= row2) { 718 }
719 else if (selection.end.row >= row1 && selection.end.row <= row2)
720 {
664 /* move selected region too */ 721 /* move selected region too */
665 R->selection.beg.row -= count; 722 selection.beg.row -= count;
666 R->selection.end.row -= count; 723 selection.end.row -= count;
667 R->selection.mark.row -= count; 724 selection.mark.row -= count;
725
726 selection_check (0);
727 }
728 }
729
730 // use a simple and robust scrolling algorithm, this
731 // part of scr_scroll_text is not time-critical.
732
733 // sever line above scroll region
734 if (row1)
668 } 735 {
669 } 736 line_t &l = ROW(row1 - 1);
670 rxvt_selection_check(aR_ 0); /* _after_ R->TermWin.nscrolled update */ 737 l.is_longer (0);
738 l.touch ();
739 }
671 740
672 R->num_scr += count;
673 j = count;
674 if (count < 0)
675 count = -count;
676 i = row2 - row1 + 1; 741 int rows = row2 - row1 + 1;
677 MIN_IT(count, i);
678 742
679 if (j > 0) { 743 min_it (count, rows);
680/* A: scroll up */
681 744
682/* A1: Copy lines that will get clobbered by the rotation */ 745 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
683 for (i = 0, j = row1; i < count; i++, j++) { 746
684 R->buf_text[i] = R->screen.text[j]; 747 for (int row = 0; row < rows; row++)
685 R->buf_rend[i] = R->screen.rend[j];
686 } 748 {
687/* A2: Rotate lines */ 749 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
688 for (j = row1, i = j + count; i <= row2; i++, j++) { 750
689 R->screen.tlen[j] = R->screen.tlen[i]; 751 if (!IN_RANGE_EXC (row + count, 0, rows))
690 R->screen.text[j] = R->screen.text[i]; 752 scr_blank_screen_mem (temp_buf [row], rstyle);
691 R->screen.rend[j] = R->screen.rend[i]; 753 }
754
755 for (int row = 0; row < rows; row++)
756 ROW(row1 + row) = temp_buf [row];
757
758 // sever bottommost line
759 {
760 line_t &l = ROW(row2);
761 l.is_longer (0);
762 l.touch ();
692 } 763 }
693 j = row2 - count + 1, i = count;
694 } else /* if (j < 0) */ {
695/* B: scroll down */
696
697/* B1: Copy lines that will get clobbered by the rotation */
698 for (i = 0, j = row2; i < count; i++, j--) {
699 R->buf_text[i] = R->screen.text[j];
700 R->buf_rend[i] = R->screen.rend[j];
701 }
702/* B2: Rotate lines */
703 for (j = row2, i = j - count; i >= row1; i--, j--) {
704 R->screen.tlen[j] = R->screen.tlen[i];
705 R->screen.text[j] = R->screen.text[i];
706 R->screen.rend[j] = R->screen.rend[i];
707 }
708 j = row1, i = count;
709 count = -count;
710 } 764 }
711 765
712/* C: Resurrect lines */
713 for (; i--; j++) {
714 R->screen.tlen[j] = 0;
715 R->screen.text[j] = R->buf_text[i];
716 R->screen.rend[j] = R->buf_rend[i];
717 if (!spec) /* line length may not equal TermWin.ncol */
718 rxvt_blank_screen_mem(aR_ R->screen.text, R->screen.rend,
719 (unsigned int)j, R->rstyle);
720 }
721
722#ifdef RXVT_GRAPHICS
723 if (rxvt_Gr_Displayed(aR))
724 rxvt_Gr_scroll(aR_ count);
725#endif
726 return count; 766 return count;
727} 767}
728 768
729/* ------------------------------------------------------------------------- */ 769/* ------------------------------------------------------------------------- */
730/* 770/*
731 * Add text given in <str> of length <len> to screen struct 771 * Add text given in <str> of length <len> to screen struct
732 */ 772 */
733/* EXTPROTO */
734void 773void
735rxvt_scr_add_lines(pR_ const uint32_t *str, int nlines, int len) 774rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
736{ 775{
737 unsigned char checksel, clearsel;
738 uint32_t c;
739 int i, row, last_col;
740 text_t *stp;
741 rend_t *srp;
742
743 if (len <= 0) /* sanity */ 776 if (len <= 0) /* sanity */
744 return; 777 return;
745 778
779 unsigned char checksel;
780 unicode_t c;
781 int ncol = this->ncol;
782 const wchar_t *strend = str + len;
783
746 R->want_refresh = 1; 784 want_refresh = 1;
747 last_col = R->TermWin.ncol;
748
749 D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len));
750 ZERO_SCROLLBACK(R); 785 ZERO_SCROLLBACK ();
786
751 if (nlines > 0) { 787 if (minlines > 0)
788 {
752 nlines += (R->screen.cur.row - R->screen.bscroll); 789 minlines += screen.cur.row - screen.bscroll;
790 min_it (minlines, screen.cur.row - top_row);
791
753 if ((nlines > 0) 792 if (minlines > 0
754 && (R->screen.tscroll == 0) 793 && screen.tscroll == 0
755 && (R->screen.bscroll == (R->TermWin.nrow - 1))) { 794 && screen.bscroll == nrow - 1)
795 {
756 /* _at least_ this many lines need to be scrolled */ 796 /* _at least_ this many lines need to be scrolled */
757 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, nlines, 797 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
758 0);
759 R->screen.cur.row -= nlines; 798 screen.cur.row -= minlines;
760 } 799 }
761 } 800 }
762#ifdef DEBUG_STRICT 801
763 assert(R->screen.cur.col < last_col); 802 assert (screen.cur.col < ncol);
764 assert((R->screen.cur.row < R->TermWin.nrow) 803 assert (screen.cur.row < nrow
765 && (R->screen.cur.row >= -(int32_t)R->TermWin.nscrolled)); 804 && screen.cur.row >= top_row);
766#else /* drive with your eyes closed */ 805 int row = screen.cur.row;
767 MIN_IT(R->screen.cur.col, last_col - 1);
768 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1);
769 MAX_IT(R->screen.cur.row, -(int32_t)R->TermWin.nscrolled);
770#endif
771 row = R->screen.cur.row + R->TermWin.saveLines;
772 806
773 checksel = (R->selection.op 807 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
774 && R->current_screen == R->selection.screen) ? 1 : 0;
775 clearsel = 0;
776 808
777 stp = R->screen.text[row]; 809 line_t *line = &ROW(row);
778 srp = R->screen.rend[row];
779 810
780 for (i = 0; i < len;) { 811 while (str < strend)
781 c = str[i++]; 812 {
782 switch (c) { 813 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
783 case '\t': 814
784 rxvt_scr_tab(aR_ 1); 815 if (ecb_unlikely (c < 0x20))
816 if (c == C0_LF)
817 {
818 max_it (line->l, screen.cur.col);
819
820 screen.flags &= ~Screen_WrapNext;
821
822 if (screen.cur.row == screen.bscroll)
823 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
824 else if (screen.cur.row < (nrow - 1))
825 row = ++screen.cur.row;
826
827 line = &ROW(row); /* _must_ refresh */
785 continue; 828 continue;
786 case '\n': 829 }
787 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 830 else if (c == C0_CR)
788 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 831 {
832 max_it (line->l, screen.cur.col);
833
789 R->screen.flags &= ~Screen_WrapNext; 834 screen.flags &= ~Screen_WrapNext;
790 if (R->screen.cur.row == R->screen.bscroll) 835 screen.cur.col = 0;
791 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, 1, 0);
792 else if (R->screen.cur.row < (R->TermWin.nrow - 1))
793 row = (++R->screen.cur.row) + R->TermWin.saveLines;
794 stp = R->screen.text[row]; /* _must_ refresh */
795 srp = R->screen.rend[row]; /* _must_ refresh */
796 continue; 836 continue;
797 case '\r': 837 }
798 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 838 else if (c == C0_HT)
799 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 839 {
800 R->screen.flags &= ~Screen_WrapNext; 840 scr_tab (1, true);
801 R->screen.cur.col = 0;
802 continue; 841 continue;
803 default:
804 if (c == 127)
805 continue; /* yummmm..... */
806 break;
807 } 842 }
808 843
844 if (ecb_unlikely (
809 if (checksel /* see if we're writing within selection */ 845 checksel /* see if we're writing within selection */
810 && !ROWCOL_IS_BEFORE(R->screen.cur, R->selection.beg) 846 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
811 && ROWCOL_IS_BEFORE(R->screen.cur, R->selection.end)) { 847 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
848 ))
849 {
812 checksel = 0; 850 checksel = 0;
813 clearsel = 1; 851 /*
852 * If we wrote anywhere in the selected area, kill the selection
853 * XXX: should we kill the mark too? Possibly, but maybe that
854 * should be a similar check.
855 */
856 CLEAR_SELECTION ();
857 }
858
859 if (ecb_unlikely (screen.flags & Screen_WrapNext))
814 } 860 {
815 if (R->screen.flags & Screen_WrapNext) { 861 scr_do_wrap ();
816 R->screen.tlen[row] = -1; 862
817 if (R->screen.cur.row == R->screen.bscroll) 863 line->l = ncol;
818 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, 1, 0); 864 line->is_longer (1);
819 else if (R->screen.cur.row < (R->TermWin.nrow - 1)) 865
820 row = (++R->screen.cur.row) + R->TermWin.saveLines; 866 row = screen.cur.row;
821 stp = R->screen.text[row]; /* _must_ refresh */ 867 line = &ROW(row); /* _must_ refresh */
822 srp = R->screen.rend[row]; /* _must_ refresh */ 868 }
823 R->screen.cur.col = 0; 869
824 R->screen.flags &= ~Screen_WrapNext; 870 // some utf-8 decoders "decode" surrogate characters: let's fix this.
871 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
872 c = 0xfffd;
873
874 // rely on wcwidth to tell us the character width, do wcwidth before
875 // further replacements, as wcwidth might return -1 for the line
876 // drawing characters below as they might be invalid in the current
877 // locale.
878 int width = WCWIDTH (c);
879
880 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
825 } 881 {
826 if (R->screen.flags & Screen_Insert) 882 // vt100 special graphics and line drawing
827 rxvt_scr_insdel_chars(aR_ 1, INSERT); 883 // 5f-7e standard vt100
884 // 40-5e rxvt extension for extra curses acs chars
885 static uint16_t vt100_0[62] = { // 41 .. 7e
886 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
887 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
888 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
889 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
890 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
891 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
892 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
893 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
894 };
828 895
829 if (R->charsets[R->screen.charset] == '0') // DEC SPECIAL 896 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
830 switch (c)
831 { 897 {
832 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 898 c = vt100_0[c - 0x41];
833 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 899 width = 1; // vt100 line drawing characters are always single-width
834 case 'a': c = 0x2592; break; case 'f': c = 0x00b0; break; case 'g': c = 0x00b1; break;
835 case 'h': c = 0x2592; break; case 'i': c = 0x2603; break; case 'j': c = 0x2518; break;
836 case 'k': c = 0x2510; break; case 'l': c = 0x250c; break; case 'm': c = 0x2514; break;
837 case 'n': c = 0x253c; break; case 'o': c = 0x23ba; break; case 'p': c = 0x23bb; break;
838 case 'q': c = 0x2500; break; case 'r': c = 0x23bc; break; case 's': c = 0x23bd; break;
839 case 't': c = 0x251c; break; case 'u': c = 0x2524; break; case 'v': c = 0x2534; break;
840 case 'w': c = 0x252c; break; case 'x': c = 0x2502; break; case 'y': c = 0x2264; break;
841 case 'z': c = 0x2265; break; case '{': c = 0x03c0; break; case '|': c = 0x2260; break;
842 case '}': c = 0x00a3; break; case '~': c = 0x00b7; break;
843 } 900 }
901 }
844 902
845 rend_t rend = SET_FONT (R->rstyle, R->TermWin.fontset->find_font (c)); 903 if (ecb_unlikely (screen.flags & Screen_Insert))
904 scr_insdel_chars (width, INSERT);
846 905
847 stp[R->screen.cur.col] = c; 906 if (width != 0)
848 srp[R->screen.cur.col] = rend;
849
850 if (c > 255)
851 { 907 {
852 // rely on wcwidth to tell us the character width, at least for non iso-8859-1 908#if !UNICODE_3
853 int width = wcwidth (c); 909 // trim characters we can't store directly :(
910 if (c >= 0x10000)
911# if ENABLE_COMBINING
912 c = rxvt_composite.compose (c); // map to lower 16 bits
913# else
914 c = 0xfffd;
915# endif
916#endif
917
918 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
919
920 // if the character doesn't fit into the remaining columns...
921 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
854 922 {
855 if (width > 1)
856 {
857 while (--width > 0 && R->screen.cur.col < last_col - 1)
858 {
859
860 srp[R->screen.cur.col] |= RS_wide;
861
862 R->screen.cur.col++;
863 stp[R->screen.cur.col] = NOCHAR;
864 srp[R->screen.cur.col] = rend;
865 }
866 }
867 }
868
869 if (R->screen.cur.col < last_col - 1)
870 R->screen.cur.col++;
871 else {
872 R->screen.tlen[row] = last_col;
873 if (R->screen.flags & Screen_Autowrap) 923 if (screen.flags & Screen_Autowrap)
924 {
925 // ... artificially enlargen the previous one
926 c = NOCHAR;
927 // and try the same character next loop iteration
928 --str;
929 }
930 else
931 screen.cur.col = ncol - width;
932 }
933
934 // nuke the character at this position, if required
935 // due to wonderful coincidences everywhere else in this loop
936 // we never have to check for overwriting a wide char itself,
937 // only its tail.
938 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
939 scr_kill_char (*line, screen.cur.col);
940
941 line->touch ();
942
943 do
944 {
945 line->t[screen.cur.col] = c;
946 line->r[screen.cur.col] = rend;
947
948 if (ecb_likely (screen.cur.col < ncol - 1))
949 screen.cur.col++;
950 else
951 {
952 line->l = ncol;
953 if (screen.flags & Screen_Autowrap)
874 R->screen.flags |= Screen_WrapNext; 954 screen.flags |= Screen_WrapNext;
955
956 goto end_of_line;
957 }
958
959 c = NOCHAR;
960 }
961 while (ecb_unlikely (--width > 0));
962
963 // pad with spaces when overwriting wide character with smaller one
964 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
965 {
966 line->t[c] = ' ';
967 line->r[c] = rend;
968 }
969
970end_of_line:
971 ;
972 }
973#if ENABLE_COMBINING
974 else // width == 0
875 } 975 {
876 } 976 if (c != 0xfeff) // ignore BOM
877 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 977 {
878 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 978 // handle combining characters
979 // we just tag the accent on the previous on-screen character.
980 // this is arguably not correct, but also arguably not wrong.
981 // we don't handle double-width characters nicely yet.
982 line_t *linep;
983 text_t *tp;
984 rend_t *rp;
879 985
880/* 986 if (screen.cur.col > 0)
881 * If we wrote anywhere in the selected area, kill the selection 987 {
882 * XXX: should we kill the mark too? Possibly, but maybe that 988 linep = line;
883 * should be a similar check. 989 tp = line->t + screen.cur.col - 1;
884 */ 990 rp = line->r + screen.cur.col - 1;
885 if (clearsel) 991 }
886 CLEAR_SELECTION(R); 992 else if (screen.cur.row > 0
993 && ROW(screen.cur.row - 1).is_longer ())
994 {
995 linep = &ROW(screen.cur.row - 1);
996 tp = line->t + ncol - 1;
997 rp = line->r + ncol - 1;
998 }
999 else
1000 continue;
887 1001
888#ifdef DEBUG_STRICT 1002 linep->touch ();
1003
1004 while (*tp == NOCHAR && tp > linep->t)
1005 tp--, rp--;
1006
1007 // first try to find a precomposed character
1008 unicode_t n = rxvt_compose (*tp, c);
1009 if (n == NOCHAR)
1010 n = rxvt_composite.compose (*tp, c);
1011
1012 *tp = n;
1013 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1014 }
1015 }
1016#endif
1017 }
1018
1019 max_it (line->l, screen.cur.col);
1020
889 assert(R->screen.cur.row >= 0); 1021 assert (screen.cur.row >= 0);
890#else /* drive with your eyes closed */
891 MAX_IT(R->screen.cur.row, 0);
892#endif
893} 1022}
894 1023
895/* ------------------------------------------------------------------------- */ 1024/* ------------------------------------------------------------------------- */
896/* 1025/*
897 * Process Backspace. Move back the cursor back a position, wrap if have to 1026 * Process Backspace. Move back the cursor back a position, wrap if have to
898 * XTERM_SEQ: CTRL-H 1027 * XTERM_SEQ: CTRL-H
899 */ 1028 */
900/* EXTPROTO */
901void 1029void
902rxvt_scr_backspace(pR) 1030rxvt_term::scr_backspace () NOTHROW
903{ 1031{
904 R->want_refresh = 1;
905 if (R->screen.cur.col == 0) { 1032 if (screen.cur.col == 0)
1033 {
906 if (R->screen.cur.row > 0) { 1034 if (screen.cur.row > 0)
1035 {
907#ifdef TERMCAP_HAS_BW 1036#ifdef TERMCAP_HAS_BW
908 R->screen.cur.col = R->TermWin.ncol - 1; 1037 screen.cur.col = ncol - 1;
909 R->screen.cur.row--; 1038 --screen.cur.row;
910 return; 1039
1040 want_refresh = 1;
911#endif 1041#endif
912 } 1042 }
1043 }
913 } else if ((R->screen.flags & Screen_WrapNext) == 0) 1044 else if (screen.flags & Screen_WrapNext)
914 rxvt_scr_gotorc(aR_ 0, -1, RELATIVE);
915 R->screen.flags &= ~Screen_WrapNext; 1045 screen.flags &= ~Screen_WrapNext;
1046 else
1047 scr_gotorc (0, -1, RELATIVE);
916} 1048}
917 1049
918/* ------------------------------------------------------------------------- */ 1050/* ------------------------------------------------------------------------- */
919/* 1051/*
920 * Process Horizontal Tab 1052 * Process Horizontal Tab
921 * count: +ve = forward; -ve = backwards 1053 * count: +ve = forward; -ve = backwards
922 * XTERM_SEQ: CTRL-I 1054 * XTERM_SEQ: CTRL-I
923 */ 1055 */
924/* EXTPROTO */
925void 1056void
926rxvt_scr_tab(pR_ int count) 1057rxvt_term::scr_tab (int count, bool ht) NOTHROW
927{ 1058{
928 int i, x; 1059 int i, x;
929 1060
930 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
931 R->want_refresh = 1; 1061 want_refresh = 1;
932 i = x = R->screen.cur.col; 1062 i = x = screen.cur.col;
1063
933 if (count == 0) 1064 if (count == 0)
934 return; 1065 return;
935 else if (count > 0) { 1066 else if (count > 0)
1067 {
1068 line_t &l = ROW(screen.cur.row);
1069 rend_t base_rend = l.r[i];
1070 ht &= l.t[i] == ' ';
1071
936 for (; ++i < R->TermWin.ncol; ) 1072 for (; ++i < ncol; )
937 if (R->tabs[i]) { 1073 if (tabs[i])
1074 {
938 x = i; 1075 x = i;
1076
939 if (!--count) 1077 if (!--count)
940 break; 1078 break;
1079 }
1080 else
1081 ht &= l.t[i] == ' '
1082 && RS_SAME (l.r[i], base_rend);
1083
1084 if (count)
1085 x = ncol - 1;
1086
1087 // store horizontal tab commands as characters inside the text
1088 // buffer so they can be selected and pasted.
1089 if (ht && option (Opt_pastableTabs))
1090 {
1091 base_rend = SET_FONT (base_rend, 0);
1092
1093 l.touch (x);
1094
1095 i = screen.cur.col;
1096
1097 l.t[i] = '\t';
1098 l.r[i] = base_rend;
1099
1100 while (++i < x)
1101 {
1102 l.t[i] = NOCHAR;
1103 l.r[i] = base_rend;
941 } 1104 }
942 if (count) 1105 }
943 x = R->TermWin.ncol - 1; 1106 }
944 } else /* if (count < 0) */ { 1107 else /* if (count < 0) */
1108 {
945 for (; --i >= 0; ) 1109 for (; --i >= 0; )
946 if (R->tabs[i]) { 1110 if (tabs[i])
947 x = i;
948 if (!++count)
949 break;
950 } 1111 {
951 if (count)
952 x = 0; 1112 x = i;
1113 if (!++count)
1114 break;
1115 }
1116
1117 if (count)
1118 x = 0;
953 } 1119 }
1120
954 if (x != R->screen.cur.col) 1121 if (x != screen.cur.col)
955 rxvt_scr_gotorc(aR_ 0, x, R_RELATIVE); 1122 scr_gotorc (0, x, R_RELATIVE);
956} 1123}
957 1124
958/* ------------------------------------------------------------------------- */ 1125/* ------------------------------------------------------------------------- */
959/* 1126/*
960 * Process DEC Back Index 1127 * Process DEC Back Index
961 * XTERM_SEQ: ESC 6 1128 * XTERM_SEQ: ESC 6
962 * Move cursor left in row. If we're at the left boundary, shift everything 1129 * Move cursor left in row. If we're at the left boundary, shift everything
963 * in that row right. Clear left column. 1130 * in that row right. Clear left column.
964 */ 1131 */
965#ifndef NO_FRILLS 1132#if !ENABLE_MINIMAL
966/* EXTPROTO */
967void 1133void
968rxvt_scr_backindex(pR) 1134rxvt_term::scr_backindex () NOTHROW
969{ 1135{
970 if (R->screen.cur.col > 0) 1136 if (screen.cur.col > 0)
971 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE); 1137 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
972 else { 1138 else
973 if (R->screen.tlen[R->screen.cur.row + R->TermWin.saveLines] == 0)
974 return; /* um, yeah? */
975 rxvt_scr_insdel_chars(aR_ 1, INSERT); 1139 scr_insdel_chars (1, INSERT);
976 }
977} 1140}
978#endif 1141#endif
979/* ------------------------------------------------------------------------- */ 1142/* ------------------------------------------------------------------------- */
980/* 1143/*
981 * Process DEC Forward Index 1144 * Process DEC Forward Index
982 * XTERM_SEQ: ESC 9 1145 * XTERM_SEQ: ESC 9
983 * Move cursor right in row. If we're at the right boundary, shift everything 1146 * Move cursor right in row. If we're at the right boundary, shift everything
984 * in that row left. Clear right column. 1147 * in that row left. Clear right column.
985 */ 1148 */
986#ifndef NO_FRILLS 1149#if !ENABLE_MINIMAL
987/* EXTPROTO */
988void 1150void
989rxvt_scr_forwardindex(pR) 1151rxvt_term::scr_forwardindex () NOTHROW
990{ 1152{
991 int row;
992
993 if (R->screen.cur.col < R->TermWin.ncol - 1) 1153 if (screen.cur.col < ncol - 1)
994 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE); 1154 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
995 else { 1155 else
996 row = R->screen.cur.row + R->TermWin.saveLines; 1156 {
997 if (R->screen.tlen[row] == 0) 1157 line_t &l = ROW(screen.cur.row);
998 return; /* um, yeah? */ 1158
999 else if (R->screen.tlen[row] == -1) 1159 l.touch ();
1000 R->screen.tlen[row] = R->TermWin.ncol; 1160 l.is_longer (0);
1161
1001 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE); 1162 scr_gotorc (0, 0, R_RELATIVE);
1002 rxvt_scr_insdel_chars(aR_ 1, DELETE); 1163 scr_insdel_chars (1, DELETE);
1003 rxvt_scr_gotorc(aR_ 0, R->TermWin.ncol - 1, R_RELATIVE); 1164 scr_gotorc (0, ncol - 1, R_RELATIVE);
1004 } 1165 }
1005} 1166}
1006#endif 1167#endif
1007 1168
1008/* ------------------------------------------------------------------------- */ 1169/* ------------------------------------------------------------------------- */
1009/* 1170/*
1010 * Goto Row/Column 1171 * Goto Row/Column
1011 */ 1172 */
1012/* EXTPROTO */
1013void 1173void
1014rxvt_scr_gotorc(pR_ int row, int col, int relative) 1174rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1015{ 1175{
1016 R->want_refresh = 1; 1176 want_refresh = 1;
1017 ZERO_SCROLLBACK(R); 1177 ZERO_SCROLLBACK ();
1018#ifdef RXVT_GRAPHICS
1019 if (rxvt_Gr_Displayed(aR))
1020 rxvt_Gr_scroll(aR_ 0);
1021#endif
1022 1178
1023 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));
1024
1025 R->screen.cur.col = ((relative & C_RELATIVE) ? (R->screen.cur.col + col) 1179 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1026 : col); 1180 clamp_it (screen.cur.col, 0, ncol - 1);
1027 MAX_IT(R->screen.cur.col, 0);
1028 MIN_IT(R->screen.cur.col, (int32_t)R->TermWin.ncol - 1);
1029 1181
1030 R->screen.flags &= ~Screen_WrapNext; 1182 screen.flags &= ~Screen_WrapNext;
1183
1031 if (relative & R_RELATIVE) { 1184 if (relative & R_RELATIVE)
1185 {
1032 if (row > 0) { 1186 if (row > 0)
1187 {
1033 if (R->screen.cur.row <= R->screen.bscroll 1188 if (screen.cur.row <= screen.bscroll
1034 && (R->screen.cur.row + row) > R->screen.bscroll) 1189 && (screen.cur.row + row) > screen.bscroll)
1035 R->screen.cur.row = R->screen.bscroll; 1190 screen.cur.row = screen.bscroll;
1036 else 1191 else
1037 R->screen.cur.row += row;
1038 } else if (row < 0) {
1039 if (R->screen.cur.row >= R->screen.tscroll
1040 && (R->screen.cur.row + row) < R->screen.tscroll)
1041 R->screen.cur.row = R->screen.tscroll;
1042 else
1043 R->screen.cur.row += row;
1044 }
1045 } else {
1046 if (R->screen.flags & Screen_Relative) { /* relative origin mode */
1047 R->screen.cur.row = row + R->screen.tscroll;
1048 MIN_IT(R->screen.cur.row, R->screen.bscroll);
1049 } else
1050 R->screen.cur.row = row; 1192 screen.cur.row += row;
1193 }
1194 else if (row < 0)
1195 {
1196 if (screen.cur.row >= screen.tscroll
1197 && (screen.cur.row + row) < screen.tscroll)
1198 screen.cur.row = screen.tscroll;
1199 else
1200 screen.cur.row += row;
1201 }
1202 }
1203 else
1051 } 1204 {
1052 MAX_IT(R->screen.cur.row, 0); 1205 if (screen.flags & Screen_Relative)
1053 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); 1206 {
1054} 1207 /* relative origin mode */
1208 screen.cur.row = row + screen.tscroll;
1209 min_it (screen.cur.row, screen.bscroll);
1210 }
1211 else
1212 screen.cur.row = row;
1213 }
1055 1214
1215 clamp_it (screen.cur.row, 0, nrow - 1);
1216}
1217
1056/* ------------------------------------------------------------------------- */ 1218/* ------------------------------------------------------------------------- */
1057/* 1219/*
1058 * direction should be UP or DN 1220 * direction should be UP or DN
1059 */ 1221 */
1060/* EXTPROTO */
1061void 1222void
1062rxvt_scr_index(pR_ enum page_dirn direction) 1223rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1063{ 1224{
1064 int dirn; 1225 int dirn;
1065 1226
1066 R->want_refresh = 1; 1227 want_refresh = 1;
1228 ZERO_SCROLLBACK ();
1229
1067 dirn = ((direction == UP) ? 1 : -1); 1230 dirn = ((direction == UP) ? 1 : -1);
1068 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1069 1231
1070 ZERO_SCROLLBACK(R);
1071
1072#ifdef RXVT_GRAPHICS
1073 if (rxvt_Gr_Displayed(aR))
1074 rxvt_Gr_scroll(aR_ 0);
1075#endif
1076
1077 R->screen.flags &= ~Screen_WrapNext; 1232 screen.flags &= ~Screen_WrapNext;
1233
1078 if ((R->screen.cur.row == R->screen.bscroll && direction == UP) 1234 if ((screen.cur.row == screen.bscroll && direction == UP)
1079 || (R->screen.cur.row == R->screen.tscroll && direction == DN)) 1235 || (screen.cur.row == screen.tscroll && direction == DN))
1080 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, dirn, 0); 1236 scr_scroll_text (screen.tscroll, screen.bscroll, dirn);
1081 else 1237 else
1082 R->screen.cur.row += dirn; 1238 screen.cur.row += dirn;
1083 MAX_IT(R->screen.cur.row, 0); 1239
1084 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); 1240 clamp_it (screen.cur.row, 0, nrow - 1);
1085 rxvt_selection_check(aR_ 0); 1241 selection_check (0);
1086} 1242}
1087 1243
1088/* ------------------------------------------------------------------------- */ 1244/* ------------------------------------------------------------------------- */
1089/* 1245/*
1090 * Erase part or whole of a line 1246 * Erase part or whole of a line
1091 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1247 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1092 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1248 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1093 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1249 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1250 * extension: clear to right unless wrapped: ESC [ 3 K
1094 */ 1251 */
1095/* EXTPROTO */
1096void 1252void
1097rxvt_scr_erase_line(pR_ int mode) 1253rxvt_term::scr_erase_line (int mode) NOTHROW
1098{ 1254{
1099 unsigned int row, col, num; 1255 unsigned int col, num;
1100 1256
1101 R->want_refresh = 1; 1257 want_refresh = 1;
1102 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, R->screen.cur.row));
1103 ZERO_SCROLLBACK(R); 1258 ZERO_SCROLLBACK ();
1104 1259
1105#ifdef RXVT_GRAPHICS
1106 if (rxvt_Gr_Displayed(aR))
1107 rxvt_Gr_scroll(aR_ 0);
1108#endif
1109
1110 rxvt_selection_check(aR_ 1); 1260 selection_check (1);
1111 1261
1112 R->screen.flags &= ~Screen_WrapNext; 1262 line_t &line = ROW(screen.cur.row);
1113 1263
1114 row = R->TermWin.saveLines + R->screen.cur.row; 1264 line.touch ();
1265 line.is_longer (0);
1266
1115 switch (mode) { 1267 switch (mode)
1268 {
1269 case 3:
1270 if (screen.flags & Screen_WrapNext)
1271 return;
1272
1273 /* fall through */
1274
1116 case 0: /* erase to end of line */ 1275 case 0: /* erase to end of line */
1117 col = R->screen.cur.col; 1276 col = screen.cur.col;
1118 num = R->TermWin.ncol - col; 1277 num = ncol - col;
1119 MIN_IT(R->screen.tlen[row], (int16_t)col); 1278 min_it (line.l, col);
1279
1120 if (ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur) 1280 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1121 || ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.end, R->screen.cur)) 1281 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1122 CLEAR_SELECTION(R); 1282 CLEAR_SELECTION ();
1123 break; 1283 break;
1284
1124 case 1: /* erase to beginning of line */ 1285 case 1: /* erase to beginning of line */
1125 col = 0; 1286 col = 0;
1126 num = R->screen.cur.col + 1; 1287 num = screen.cur.col + 1;
1288
1127 if (ROWCOL_IN_ROW_AT_OR_BEFORE(R->selection.beg, R->screen.cur) 1289 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1128 || ROWCOL_IN_ROW_AT_OR_BEFORE(R->selection.end, R->screen.cur)) 1290 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1129 CLEAR_SELECTION(R); 1291 CLEAR_SELECTION ();
1130 break; 1292 break;
1293
1131 case 2: /* erase whole line */ 1294 case 2: /* erase whole line */
1132 col = 0; 1295 col = 0;
1133 num = R->TermWin.ncol; 1296 num = ncol;
1134 R->screen.tlen[row] = 0; 1297 line.l = 0;
1135 if (R->selection.beg.row <= R->screen.cur.row 1298 if (selection.beg.row <= screen.cur.row
1136 && R->selection.end.row >= R->screen.cur.row) 1299 && selection.end.row >= screen.cur.row)
1137 CLEAR_SELECTION(R); 1300 CLEAR_SELECTION ();
1138 break; 1301 break;
1139 default: 1302 default:
1140 return; 1303 return;
1141 } 1304 }
1142 if (R->screen.text[row]) 1305
1143 rxvt_blank_line(aR_ 1306 scr_blank_line (line, col, num, rstyle);
1144 &(R->screen.text[row][col]),
1145 &(R->screen.rend[row][col]), num, R->rstyle);
1146 else
1147 rxvt_blank_screen_mem(aR_ R->screen.text, R->screen.rend, row,
1148 R->rstyle);
1149} 1307}
1150 1308
1151/* ------------------------------------------------------------------------- */ 1309/* ------------------------------------------------------------------------- */
1152/* 1310/*
1153 * Erase part of whole of the screen 1311 * Erase part of whole of the screen
1154 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1312 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1155 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1313 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1156 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1314 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1157 */ 1315 */
1158/* EXTPROTO */
1159void 1316void
1160rxvt_scr_erase_screen(pR_ int mode) 1317rxvt_term::scr_erase_screen (int mode) NOTHROW
1161{ 1318{
1162 int num; 1319 int num;
1163 int32_t row, row_offset; 1320 int32_t row;
1164 rend_t ren; 1321 rend_t ren;
1165 XGCValues gcvalue; 1322 XGCValues gcvalue;
1166 1323
1167 R->want_refresh = 1; 1324 want_refresh = 1;
1168 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, R->screen.cur.row));
1169 ZERO_SCROLLBACK(R); 1325 ZERO_SCROLLBACK ();
1170 row_offset = (int32_t)R->TermWin.saveLines;
1171 1326
1172 switch (mode) { 1327 switch (mode)
1328 {
1173 case 0: /* erase to end of screen */ 1329 case 0: /* erase to end of screen */
1174 rxvt_selection_check(aR_ 1); 1330 selection_check (1);
1175 rxvt_scr_erase_line(aR_ 0); 1331 scr_erase_line (0);
1176 row = R->screen.cur.row + 1; /* possible OOB */ 1332 row = screen.cur.row + 1; /* possible OOB */
1177 num = R->TermWin.nrow - row; 1333 num = nrow - row;
1178 break; 1334 break;
1179 case 1: /* erase to beginning of screen */ 1335 case 1: /* erase to beginning of screen */
1180 rxvt_selection_check(aR_ 3); 1336 selection_check (3);
1181 rxvt_scr_erase_line(aR_ 1); 1337 scr_erase_line (1);
1182 row = 0; 1338 row = 0;
1183 num = R->screen.cur.row; 1339 num = screen.cur.row;
1184 break; 1340 break;
1185 case 2: /* erase whole screen */ 1341 case 2: /* erase whole screen */
1186 rxvt_selection_check(aR_ 3); 1342 selection_check (3);
1187#ifdef RXVT_GRAPHICS
1188 rxvt_Gr_ClearScreen(aR);
1189#endif
1190 row = 0; 1343 row = 0;
1191 num = R->TermWin.nrow; 1344 num = nrow;
1192 break; 1345 break;
1193 default: 1346 default:
1194 return; 1347 return;
1195 } 1348 }
1196 R->refresh_type |= REFRESH_BOUNDS; 1349
1197 if (R->selection.op && R->current_screen == R->selection.screen 1350 if (selection.op && current_screen == selection.screen
1198 && ((R->selection.beg.row >= row && R->selection.beg.row <= row + num) 1351 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1199 || (R->selection.end.row >= row 1352 || (selection.end.row >= row
1200 && R->selection.end.row <= row + num))) 1353 && selection.end.row <= row + num)))
1201 CLEAR_SELECTION(R); 1354 CLEAR_SELECTION ();
1355
1202 if (row >= R->TermWin.nrow) /* Out Of Bounds */ 1356 if (row >= nrow) /* Out Of Bounds */
1203 return; 1357 return;
1204 MIN_IT(num, (R->TermWin.nrow - row)); 1358
1359 min_it (num, nrow - row);
1360
1205 if (R->rstyle & (RS_RVid | RS_Uline)) 1361 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1206 ren = (rend_t) ~RS_None; 1362 ren = (rend_t) ~RS_None;
1207 else if (GET_BASEBG(R->rstyle) == Color_bg) { 1363 else if (GET_BASEBG (rstyle) == Color_bg)
1364 {
1208 ren = DEFAULT_RSTYLE; 1365 ren = DEFAULT_RSTYLE;
1209 CLEAR_ROWS(row, num); 1366
1210 } else { 1367 if (mapped)
1368 XClearArea (dpy, vt, 0,
1369 Row2Pixel (row - view_start), (unsigned int)width,
1370 (unsigned int)Height2Pixel (num), False);
1371 }
1372 else
1373 {
1211 ren = (R->rstyle & (RS_fgMask | RS_bgMask)); 1374 ren = rstyle & (RS_fgMask | RS_bgMask);
1212 gcvalue.foreground = R->PixColors[GET_BGCOLOR(R->rstyle)]; 1375
1376 if (mapped)
1377 {
1378 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1213 XChangeGC(R->Xdisplay, R->TermWin.gc, GCForeground, &gcvalue); 1379 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1214 ERASE_ROWS(row, num); 1380 XFillRectangle (dpy, vt, gc,
1381 0, Row2Pixel (row - view_start),
1382 (unsigned int)width,
1383 (unsigned int)Height2Pixel (num));
1215 gcvalue.foreground = R->PixColors[Color_fg]; 1384 gcvalue.foreground = pix_colors[Color_fg];
1216 XChangeGC(R->Xdisplay, R->TermWin.gc, GCForeground, &gcvalue); 1385 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1386 }
1217 } 1387 }
1388
1218 for (; num--; row++) { 1389 for (; num--; row++)
1219 rxvt_blank_screen_mem(aR_ R->screen.text, R->screen.rend,
1220 (unsigned int)(row + row_offset), R->rstyle);
1221 R->screen.tlen[row + row_offset] = 0;
1222 rxvt_blank_line(aR_
1223 R->drawn_text[row], R->drawn_rend[row],
1224 (unsigned int)R->TermWin.ncol, ren);
1225 } 1390 {
1391 scr_blank_screen_mem (ROW(row), rstyle);
1392
1393 if (row - view_start < nrow)
1394 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1395 }
1226} 1396}
1397
1398#if !ENABLE_MINIMAL
1399void
1400rxvt_term::scr_erase_savelines () NOTHROW
1401{
1402 want_refresh = 1;
1403 ZERO_SCROLLBACK ();
1404
1405 top_row = 0;
1406}
1407#endif
1227 1408
1228/* ------------------------------------------------------------------------- */ 1409/* ------------------------------------------------------------------------- */
1229/* 1410/*
1230 * Fill the screen with `E's 1411 * Fill the screen with `E's
1231 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1412 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1232 */ 1413 */
1233/* EXTPROTO */
1234void 1414void
1235rxvt_scr_E(pR) 1415rxvt_term::scr_E () NOTHROW
1236{ 1416{
1237 int i, j, k; 1417 rend_t fs;
1238 rend_t *r1, fs;
1239 1418
1240 R->want_refresh = 1; 1419 want_refresh = 1;
1241 R->num_scr_allow = 0;
1242 ZERO_SCROLLBACK(R); 1420 ZERO_SCROLLBACK ();
1421
1422 num_scr_allow = 0;
1243 rxvt_selection_check(aR_ 3); 1423 selection_check (3);
1244 1424
1245 fs = SET_FONT (R->rstyle, R->TermWin.fontset->find_font ('E')); 1425 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1246 for (k = R->TermWin.saveLines, i = R->TermWin.nrow; i--; k++) { 1426 for (int row = nrow; row--; )
1247 R->screen.tlen[k] = R->TermWin.ncol; /* make the `E's selectable */ 1427 {
1248 fill_text (R->screen.text[k], 'E', R->TermWin.ncol); 1428 line_t &line = ROW(row);
1249 for (r1 = R->screen.rend[k], j = R->TermWin.ncol; j--; ) 1429
1430 fill_text (line.t, 'E', ncol);
1431 rend_t *r1 = line.r;
1432
1433 for (int j = ncol; j--; )
1250 *r1++ = fs; 1434 *r1++ = fs;
1435
1436 line.is_longer (0);
1437 line.touch (ncol);
1251 } 1438 }
1252} 1439}
1253 1440
1254/* ------------------------------------------------------------------------- */ 1441/* ------------------------------------------------------------------------- */
1255/* 1442/*
1256 * Insert/Delete <count> lines 1443 * Insert/Delete <count> lines
1257 */ 1444 */
1258/* EXTPROTO */
1259void 1445void
1260rxvt_scr_insdel_lines(pR_ int count, int insdel) 1446rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1261{ 1447{
1262 int end; 1448 int end;
1263 1449
1264 ZERO_SCROLLBACK(R); 1450 ZERO_SCROLLBACK ();
1265 1451
1266#ifdef RXVT_GRAPHICS
1267 if (rxvt_Gr_Displayed(aR))
1268 rxvt_Gr_scroll(aR_ 0);
1269#endif
1270
1271 rxvt_selection_check(aR_ 1); 1452 selection_check (1);
1272 1453
1273 if (R->screen.cur.row > R->screen.bscroll) 1454 if (screen.cur.row > screen.bscroll)
1455 return;
1456
1457 end = screen.bscroll - screen.cur.row + 1;
1458 if (count > end)
1459 {
1460 if (insdel == DELETE)
1274 return; 1461 return;
1275
1276 end = R->screen.bscroll - R->screen.cur.row + 1;
1277 if (count > end) {
1278 if (insdel == DELETE)
1279 return;
1280 else if (insdel == INSERT) 1462 else if (insdel == INSERT)
1281 count = end; 1463 count = end;
1282 } 1464 }
1283 R->screen.flags &= ~Screen_WrapNext;
1284 1465
1466 scr_do_wrap ();
1467
1285 rxvt_scroll_text(aR_ R->screen.cur.row, R->screen.bscroll, insdel * count, 1468 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1286 0);
1287} 1469}
1288 1470
1289/* ------------------------------------------------------------------------- */ 1471/* ------------------------------------------------------------------------- */
1290/* 1472/*
1291 * Insert/Delete <count> characters from the current position 1473 * Insert/Delete <count> characters from the current position
1292 */ 1474 */
1293/* EXTPROTO */
1294void 1475void
1295rxvt_scr_insdel_chars(pR_ int count, int insdel) 1476rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1296{ 1477{
1297 int col, row;
1298 rend_t tr;
1299 text_t *stp;
1300 rend_t *srp;
1301 int16_t *slp;
1302
1303 R->want_refresh = 1; 1478 want_refresh = 1;
1304 ZERO_SCROLLBACK(R); 1479 ZERO_SCROLLBACK ();
1305 1480
1306#ifdef RXVT_GRAPHICS
1307 if (rxvt_Gr_Displayed(aR))
1308 rxvt_Gr_scroll(aR_ 0);
1309#endif
1310
1311 if (count <= 0) 1481 if (count <= 0)
1312 return; 1482 return;
1313 1483
1484 scr_do_wrap ();
1485
1314 rxvt_selection_check(aR_ 1); 1486 selection_check (1);
1315 MIN_IT(count, (R->TermWin.ncol - R->screen.cur.col)); 1487 min_it (count, ncol - screen.cur.col);
1316 1488
1317 row = R->screen.cur.row + R->TermWin.saveLines; 1489 int row = screen.cur.row;
1318 R->screen.flags &= ~Screen_WrapNext;
1319 1490
1320 stp = R->screen.text[row]; 1491 line_t *line = &ROW(row);
1321 srp = R->screen.rend[row]; 1492
1322 slp = &(R->screen.tlen[row]); 1493 line->touch ();
1494 line->is_longer (0);
1495
1496 // nuke wide spanning the start
1497 if (line->t[screen.cur.col] == NOCHAR)
1498 scr_kill_char (*line, screen.cur.col);
1499
1323 switch (insdel) { 1500 switch (insdel)
1501 {
1324 case INSERT: 1502 case INSERT:
1325 for (col = R->TermWin.ncol - 1; (col - count) >= R->screen.cur.col; 1503 line->l = min (line->l + count, ncol);
1326 col--) { 1504
1505 if (line->t[screen.cur.col] == NOCHAR)
1506 scr_kill_char (*line, screen.cur.col);
1507
1508 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1509 {
1327 stp[col] = stp[col - count]; 1510 line->t[col] = line->t[col - count];
1328 srp[col] = srp[col - count]; 1511 line->r[col] = line->r[col - count];
1329 } 1512 }
1330 if (*slp != -1) { 1513
1331 *slp += count;
1332 MIN_IT(*slp, R->TermWin.ncol);
1333 }
1334 if (R->selection.op && R->current_screen == R->selection.screen 1514 if (selection.op && current_screen == selection.screen
1335 && ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur)) { 1515 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1516 {
1336 if (R->selection.end.row != R->screen.cur.row 1517 if (selection.end.row != screen.cur.row
1337 || (R->selection.end.col + count >= R->TermWin.ncol)) 1518 || (selection.end.col + count >= ncol))
1338 CLEAR_SELECTION(R); 1519 CLEAR_SELECTION ();
1520 else
1521 {
1339 else { /* shift selection */ 1522 /* shift selection */
1340 R->selection.beg.col += count; 1523 selection.beg.col += count;
1341 R->selection.mark.col += count; /* XXX: yes? */ 1524 selection.mark.col += count; /* XXX: yes? */
1342 R->selection.end.col += count; 1525 selection.end.col += count;
1343 } 1526 }
1344 } 1527 }
1345 rxvt_blank_line(aR_ &(stp[R->screen.cur.col]), &(srp[R->screen.cur.col]), 1528
1346 (unsigned int)count, R->rstyle); 1529 scr_blank_line (*line, screen.cur.col, count, rstyle);
1347 break; 1530 break;
1531
1348 case ERASE: 1532 case ERASE:
1349 R->screen.cur.col += count; /* don't worry if > R->TermWin.ncol */ 1533 screen.cur.col += count; /* don't worry if > ncol */
1350 rxvt_selection_check(aR_ 1); 1534 selection_check (1);
1351 R->screen.cur.col -= count; 1535 screen.cur.col -= count;
1352 rxvt_blank_line(aR_ &(stp[R->screen.cur.col]), &(srp[R->screen.cur.col]), 1536
1353 (unsigned int)count, R->rstyle); 1537 // nuke wide char after the end
1538 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1539 scr_kill_char (*line, screen.cur.col + count);
1540
1541 scr_blank_line (*line, screen.cur.col, count, rstyle);
1354 break; 1542 break;
1543
1355 case DELETE: 1544 case DELETE:
1356 tr = srp[R->TermWin.ncol - 1] 1545 line->l = max (line->l - count, 0);
1357 & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1546
1547 // nuke wide char spanning the end
1548 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1549 scr_kill_char (*line, screen.cur.col + count);
1550
1358 for (col = R->screen.cur.col; (col + count) < R->TermWin.ncol; col++) { 1551 for (int col = screen.cur.col; (col + count) < ncol; col++)
1552 {
1359 stp[col] = stp[col + count]; 1553 line->t[col] = line->t[col + count];
1360 srp[col] = srp[col + count]; 1554 line->r[col] = line->r[col + count];
1361 } 1555 }
1362 rxvt_blank_line(aR_ 1556
1363 &(stp[R->TermWin.ncol - count]), 1557 scr_blank_line (*line, ncol - count, count, rstyle);
1364 &(srp[R->TermWin.ncol - count]), 1558
1365 (unsigned int)count, tr);
1366 if (*slp == -1) /* break line continuation */
1367 *slp = R->TermWin.ncol;
1368 *slp -= count;
1369 MAX_IT(*slp, 0);
1370 if (R->selection.op && R->current_screen == R->selection.screen 1559 if (selection.op && current_screen == selection.screen
1371 && ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur)) { 1560 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1561 {
1372 if (R->selection.end.row != R->screen.cur.row 1562 if (selection.end.row != screen.cur.row
1373 || (R->screen.cur.col >= R->selection.beg.col - count) 1563 || (screen.cur.col >= selection.beg.col - count)
1374 || R->selection.end.col >= R->TermWin.ncol) 1564 || selection.end.col >= ncol)
1375 CLEAR_SELECTION(R); 1565 CLEAR_SELECTION ();
1376 else { 1566 else
1567 {
1377 /* shift selection */ 1568 /* shift selection */
1378 R->selection.beg.col -= count; 1569 selection.beg.col -= count;
1379 R->selection.mark.col -= count; /* XXX: yes? */ 1570 selection.mark.col -= count; /* XXX: yes? */
1380 R->selection.end.col -= count; 1571 selection.end.col -= count;
1381 } 1572 }
1382 } 1573 }
1574
1383 break; 1575 break;
1384 } 1576 }
1385} 1577}
1386 1578
1387/* ------------------------------------------------------------------------- */ 1579/* ------------------------------------------------------------------------- */
1388/* 1580/*
1389 * Set the scrolling region 1581 * Set the scrolling region
1390 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1582 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1391 */ 1583 */
1392/* EXTPROTO */
1393void 1584void
1394rxvt_scr_scroll_region(pR_ int top, int bot) 1585rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1395{ 1586{
1396 MAX_IT(top, 0); 1587 max_it (top, 0);
1397 MIN_IT(bot, (int)R->TermWin.nrow - 1); 1588 min_it (bot, nrow - 1);
1589
1398 if (top > bot) 1590 if (top > bot)
1399 return; 1591 return;
1592
1400 R->screen.tscroll = top; 1593 screen.tscroll = top;
1401 R->screen.bscroll = bot; 1594 screen.bscroll = bot;
1402 rxvt_scr_gotorc(aR_ 0, 0, 0); 1595 scr_gotorc (0, 0, 0);
1403} 1596}
1404 1597
1405/* ------------------------------------------------------------------------- */ 1598/* ------------------------------------------------------------------------- */
1406/* 1599/*
1407 * Make the cursor visible/invisible 1600 * Make the cursor visible/invisible
1408 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1601 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1409 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1602 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1410 */ 1603 */
1411/* EXTPROTO */
1412void 1604void
1413rxvt_scr_cursor_visible(pR_ int mode) 1605rxvt_term::scr_cursor_visible (int mode) NOTHROW
1414{ 1606{
1415 R->want_refresh = 1; 1607 want_refresh = 1;
1608
1416 if (mode) 1609 if (mode)
1417 R->screen.flags |= Screen_VisibleCursor; 1610 screen.flags |= Screen_VisibleCursor;
1418 else 1611 else
1419 R->screen.flags &= ~Screen_VisibleCursor; 1612 screen.flags &= ~Screen_VisibleCursor;
1420} 1613}
1421 1614
1422/* ------------------------------------------------------------------------- */ 1615/* ------------------------------------------------------------------------- */
1423/* 1616/*
1424 * Set/unset automatic wrapping 1617 * Set/unset automatic wrapping
1425 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1618 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1426 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1619 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1427 */ 1620 */
1428/* EXTPROTO */
1429void 1621void
1430rxvt_scr_autowrap(pR_ int mode) 1622rxvt_term::scr_autowrap (int mode) NOTHROW
1431{ 1623{
1432 if (mode) 1624 if (mode)
1433 R->screen.flags |= Screen_Autowrap; 1625 screen.flags |= Screen_Autowrap;
1434 else 1626 else
1435 R->screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1627 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1436} 1628}
1437 1629
1438/* ------------------------------------------------------------------------- */ 1630/* ------------------------------------------------------------------------- */
1439/* 1631/*
1440 * Set/unset margin origin mode 1632 * Set/unset margin origin mode
… …
1443 * Relative mode: line numbers are relative to top margin of scrolling region 1635 * Relative mode: line numbers are relative to top margin of scrolling region
1444 * and the cursor cannot be moved outside. 1636 * and the cursor cannot be moved outside.
1445 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1637 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1446 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1638 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1447 */ 1639 */
1448/* EXTPROTO */
1449void 1640void
1450rxvt_scr_relative_origin(pR_ int mode) 1641rxvt_term::scr_relative_origin (int mode) NOTHROW
1451{ 1642{
1452 if (mode) 1643 if (mode)
1453 R->screen.flags |= Screen_Relative; 1644 screen.flags |= Screen_Relative;
1454 else 1645 else
1455 R->screen.flags &= ~Screen_Relative; 1646 screen.flags &= ~Screen_Relative;
1647
1456 rxvt_scr_gotorc(aR_ 0, 0, 0); 1648 scr_gotorc (0, 0, 0);
1457} 1649}
1458 1650
1459/* ------------------------------------------------------------------------- */ 1651/* ------------------------------------------------------------------------- */
1460/* 1652/*
1461 * Set insert/replace mode 1653 * Set insert/replace mode
1462 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1654 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1463 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1655 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1464 */ 1656 */
1465/* EXTPROTO */
1466void 1657void
1467rxvt_scr_insert_mode(pR_ int mode) 1658rxvt_term::scr_insert_mode (int mode) NOTHROW
1468{ 1659{
1469 if (mode) 1660 if (mode)
1470 R->screen.flags |= Screen_Insert; 1661 screen.flags |= Screen_Insert;
1471 else 1662 else
1472 R->screen.flags &= ~Screen_Insert; 1663 screen.flags &= ~Screen_Insert;
1473} 1664}
1474 1665
1475/* ------------------------------------------------------------------------- */ 1666/* ------------------------------------------------------------------------- */
1476/* 1667/*
1477 * Set/Unset tabs 1668 * Set/Unset tabs
1478 * XTERM_SEQ: Set tab at current column : ESC H 1669 * XTERM_SEQ: Set tab at current column : ESC H
1479 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1670 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1480 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1671 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1481 */ 1672 */
1482/* EXTPROTO */
1483void 1673void
1484rxvt_scr_set_tab(pR_ int mode) 1674rxvt_term::scr_set_tab (int mode) NOTHROW
1485{ 1675{
1486 if (mode < 0) 1676 if (mode < 0)
1487 MEMSET(R->tabs, 0, R->TermWin.ncol * sizeof(char)); 1677 memset (tabs, 0, ncol);
1488 else if (R->screen.cur.col < R->TermWin.ncol) 1678 else if (screen.cur.col < ncol)
1489 R->tabs[R->screen.cur.col] = (mode ? 1 : 0); 1679 tabs [screen.cur.col] = !!mode;
1490} 1680}
1491 1681
1492/* ------------------------------------------------------------------------- */ 1682/* ------------------------------------------------------------------------- */
1493/* 1683/*
1494 * Set reverse/normal video 1684 * Set reverse/normal video
1495 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1685 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1496 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1686 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1497 */ 1687 */
1498/* EXTPROTO */
1499void 1688void
1500rxvt_scr_rvideo_mode(pR_ int mode) 1689rxvt_term::scr_rvideo_mode (bool on) NOTHROW
1501{ 1690{
1691 rvideo_mode = on;
1692
1693#ifndef NO_BELL
1694 on ^= rvideo_bell;
1695#endif
1696
1697 if (rvideo_state != on)
1698 {
1699 rvideo_state = on;
1700
1701 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1702#ifdef HAVE_BG_PIXMAP
1703 if (bg_pixmap == None)
1704#endif
1705 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1706
1502 XGCValues gcvalue; 1707 XGCValues gcvalue;
1503
1504 if (R->rvideo != mode) {
1505 R->rvideo = mode;
1506 SWAP_IT(R->PixColors[Color_fg], R->PixColors[Color_bg], rxvt_color);
1507#if defined(XPM_BACKGROUND)
1508 if (R->bgPixmap.pixmap == None)
1509#endif
1510#if defined(TRANSPARENT)
1511 if (!(R->Options & Opt_transparent) || R->am_transparent == 0)
1512#endif
1513 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1514 R->PixColors[Color_bg]);
1515
1516 gcvalue.foreground = R->PixColors[Color_fg]; 1708 gcvalue.foreground = pix_colors[Color_fg];
1517 gcvalue.background = R->PixColors[Color_bg]; 1709 gcvalue.background = pix_colors[Color_bg];
1518 XChangeGC(R->Xdisplay, R->TermWin.gc, GCBackground | GCForeground, 1710 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1519 &gcvalue); 1711
1520 rxvt_scr_clear(aR); 1712 scr_clear ();
1521 rxvt_scr_touch(aR_ True); 1713 scr_touch (true);
1522 } 1714 }
1523} 1715}
1524 1716
1525/* ------------------------------------------------------------------------- */ 1717/* ------------------------------------------------------------------------- */
1526/* 1718/*
1527 * Report current cursor position 1719 * Report current cursor position
1528 * XTERM_SEQ: Report position: ESC [ 6 n 1720 * XTERM_SEQ: Report position: ESC [ 6 n
1529 */ 1721 */
1530/* EXTPROTO */
1531void 1722void
1532rxvt_scr_report_position(pR) 1723rxvt_term::scr_report_position () NOTHROW
1533{ 1724{
1534 R->tt_printf("\033[%d;%dR", R->screen.cur.row + 1, R->screen.cur.col + 1); 1725 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1535} 1726}
1536 1727
1537/* ------------------------------------------------------------------------- * 1728/* ------------------------------------------------------------------------- *
1538 * FONTS * 1729 * FONTS *
1539 * ------------------------------------------------------------------------- */ 1730 * ------------------------------------------------------------------------- */
1540 1731
1541/* 1732/*
1542 * Set font style 1733 * Set font style
1543 */ 1734 */
1544/* INTPROTO */
1545void 1735void
1546rxvt_set_font_style(pR) 1736rxvt_term::set_font_style () NOTHROW
1547{ 1737{
1738#if 0
1548 switch (R->charsets[R->screen.charset]) { 1739 switch (charsets [screen.charset])
1740 {
1549 case '0': /* DEC Special Character & Line Drawing Set */ 1741 case '0': /* DEC Special Character & Line Drawing Set */
1550 break; 1742 break;
1551 case 'A': /* United Kingdom (UK) */ 1743 case 'A': /* United Kingdom (UK) */
1552 break; 1744 break;
1553 case 'B': /* United States (USASCII) */ 1745 case 'B': /* United States (USASCII) */
1554 break; 1746 break;
1555 case '<': /* Multinational character set */ 1747 case '<': /* Multinational character set */
1556 break; 1748 break;
1557 case '5': /* Finnish character set */ 1749 case '5': /* Finnish character set */
1558 break; 1750 break;
1559 case 'C': /* Finnish character set */ 1751 case 'C': /* Finnish character set */
1560 break; 1752 break;
1561 case 'K': /* German character set */ 1753 case 'K': /* German character set */
1562 break; 1754 break;
1563 } 1755 }
1756#endif
1564} 1757}
1565 1758
1566/* ------------------------------------------------------------------------- */ 1759/* ------------------------------------------------------------------------- */
1567/* 1760/*
1568 * Choose a font 1761 * Choose a font
1569 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1762 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1570 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1763 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1571 * XTERM_SEQ: Invoke G2 character set: ESC N 1764 * XTERM_SEQ: Invoke G2 character set: ESC N
1572 * XTERM_SEQ: Invoke G3 character set: ESC O 1765 * XTERM_SEQ: Invoke G3 character set: ESC O
1573 */ 1766 */
1574/* EXTPROTO */
1575void 1767void
1576rxvt_scr_charset_choose(pR_ int set) 1768rxvt_term::scr_charset_choose (int set) NOTHROW
1577{ 1769{
1578 R->screen.charset = set; 1770 screen.charset = set;
1579 rxvt_set_font_style(aR); 1771 set_font_style ();
1580} 1772}
1581 1773
1582/* ------------------------------------------------------------------------- */ 1774/* ------------------------------------------------------------------------- */
1583/* 1775/*
1584 * Set a font 1776 * Set a font
… …
1586 * XTERM_SEQ: Set G1 character set: ESC ) <C> 1778 * XTERM_SEQ: Set G1 character set: ESC ) <C>
1587 * XTERM_SEQ: Set G2 character set: ESC * <C> 1779 * XTERM_SEQ: Set G2 character set: ESC * <C>
1588 * XTERM_SEQ: Set G3 character set: ESC + <C> 1780 * XTERM_SEQ: Set G3 character set: ESC + <C>
1589 * See set_font_style for possible values for <C> 1781 * See set_font_style for possible values for <C>
1590 */ 1782 */
1591/* EXTPROTO */
1592void 1783void
1593rxvt_scr_charset_set(pR_ int set, unsigned int ch) 1784rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1594{ 1785{
1595 R->charsets[set] = (unsigned char)ch; 1786 charsets[set] = (unsigned char)ch;
1596 rxvt_set_font_style(aR); 1787 set_font_style ();
1597} 1788}
1598 1789
1599
1600/* ------------------------------------------------------------------------- *
1601 * GRAPHICS COLOURS *
1602 * ------------------------------------------------------------------------- */
1603
1604#ifdef RXVT_GRAPHICS
1605/* EXTPROTO */
1606int
1607rxvt_scr_get_fgcolor(pR)
1608{
1609 return GET_FGCOLOR(R->rstyle);
1610}
1611
1612/* ------------------------------------------------------------------------- */
1613/* EXTPROTO */
1614int
1615rxvt_scr_get_bgcolor(pR)
1616{
1617 return GET_BGCOLOR(R->rstyle);
1618}
1619#endif
1620 1790
1621/* ------------------------------------------------------------------------- * 1791/* ------------------------------------------------------------------------- *
1622 * MAJOR SCREEN MANIPULATION * 1792 * MAJOR SCREEN MANIPULATION *
1623 * ------------------------------------------------------------------------- */ 1793 * ------------------------------------------------------------------------- */
1624 1794
1625/* 1795/*
1796 * refresh matching text.
1797 */
1798bool
1799rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1800{
1801 bool found = false;
1802
1803 for (int i = 0; i < nrow; i++)
1804 {
1805 rend_t *drp = drawn_buf[i].r;
1806
1807 for (int col = 0; col < ncol; col++, drp++)
1808 if ((*drp & mask) == value)
1809 {
1810 found = true;
1811 *drp = ~value;
1812 }
1813 }
1814
1815 return found;
1816}
1817
1818/*
1626 * Refresh an area 1819 * Refresh an area
1627 */ 1820 */
1628enum { 1821enum {
1629 PART_BEG = 0, 1822 PART_BEG = 0,
1630 PART_END, 1823 PART_END,
1631 RC_COUNT 1824 RC_COUNT
1632}; 1825};
1633 1826
1634/* EXTPROTO */
1635void 1827void
1636rxvt_scr_expose(pR_ int x, int y, int width, int height, Bool refresh) 1828rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1637{ 1829{
1638 int i; 1830 int i;
1639 row_col_t rc[RC_COUNT]; 1831 row_col_t rc[RC_COUNT];
1640 1832
1641 if (R->drawn_text == NULL) /* sanity check */ 1833 if (!drawn_buf) /* sanity check */
1642 return; 1834 return;
1643 1835
1644#ifdef DEBUG_STRICT 1836#ifndef NO_SLOW_LINK_SUPPORT
1645 x = max(x, (int)R->TermWin.int_bwidth); 1837 if (refresh_type == FAST_REFRESH && !display->is_local)
1646 x = min(x, (int)R->TermWin.width); 1838 {
1647 y = max(y, (int)R->TermWin.int_bwidth); 1839 y = 0;
1648 y = min(y, (int)R->TermWin.height); 1840 eheight = height;
1841 }
1649#endif 1842#endif
1650 1843
1651/* round down */ 1844 /* round down */
1652 rc[PART_BEG].col = Pixel2Col(x); 1845 rc[PART_BEG].col = Pixel2Col (x);
1653 rc[PART_BEG].row = Pixel2Row(y); 1846 rc[PART_BEG].row = Pixel2Row (y);
1654/* round up */ 1847 /* round up */
1655 rc[PART_END].col = Pixel2Width(x + width + R->TermWin.fwidth - 1); 1848 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1656 rc[PART_END].row = Pixel2Row(y + height + R->TermWin.fheight - 1); 1849 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1657 1850
1658/* sanity checks */ 1851 /* sanity checks */
1659 for (i = PART_BEG; i < RC_COUNT; i++) { 1852 for (i = PART_BEG; i < RC_COUNT; i++)
1660 MIN_IT(rc[i].col, R->TermWin.ncol - 1);
1661 MIN_IT(rc[i].row, R->TermWin.nrow - 1);
1662 } 1853 {
1854 min_it (rc[i].col, ncol - 1);
1855 min_it (rc[i].row, nrow - 1);
1856 }
1663 1857
1664 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));
1665
1666 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1858 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1667 fill_text (&(R->drawn_text[i][rc[PART_BEG].col]), 0, 1859 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1668 (rc[PART_END].col - rc[PART_BEG].col + 1));
1669 1860
1861 num_scr_allow = 0;
1862
1670 if (refresh) 1863 if (refresh)
1671 rxvt_scr_refresh(aR_ SLOW_REFRESH | REFRESH_BOUNDS); 1864 scr_refresh ();
1672} 1865}
1673 1866
1674/* ------------------------------------------------------------------------- */ 1867/* ------------------------------------------------------------------------- */
1675/* 1868/*
1676 * Refresh the entire screen 1869 * Refresh the entire screen
1677 */ 1870 */
1678/* EXTPROTO */
1679void 1871void
1680rxvt_scr_touch(pR_ Bool refresh) 1872rxvt_term::scr_touch (bool refresh) NOTHROW
1681{ 1873{
1682 rxvt_scr_expose(aR_ 0, 0, R->TermWin.width, R->TermWin.height, refresh); 1874 scr_expose (0, 0, width, height, refresh);
1683} 1875}
1684 1876
1685/* ------------------------------------------------------------------------- */ 1877/* ------------------------------------------------------------------------- */
1686/* 1878/*
1687 * Move the display so that the line represented by scrollbar value Y is at 1879 * Move the display so that the line represented by scrollbar value Y is at
1688 * the top of the screen 1880 * the top of the screen
1689 */ 1881 */
1690/* EXTPROTO */ 1882void
1691int
1692rxvt_scr_move_to(pR_ int y, int len) 1883rxvt_term::scr_move_to (int y, int len) NOTHROW
1693{ 1884{
1694 long p = 0; 1885 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1695 uint16_t oldviewstart;
1696
1697 oldviewstart = R->TermWin.view_start;
1698 if (y < len) {
1699 p = (R->TermWin.nrow + R->TermWin.nscrolled) * (len - y) / len;
1700 p -= (long)(R->TermWin.nrow - 1);
1701 p = max(p, 0);
1702 }
1703 R->TermWin.view_start = (uint16_t)min(p, R->TermWin.nscrolled);
1704 D_SCREEN((stderr, "rxvt_scr_move_to(%d, %d) view_start:%d", y, len, R->TermWin.view_start));
1705
1706 return rxvt_scr_changeview(aR_ oldviewstart);
1707} 1886}
1708 1887
1709/* ------------------------------------------------------------------------- */ 1888/* ------------------------------------------------------------------------- */
1710/* 1889/*
1711 * Page the screen up/down nlines 1890 * Page the screen up/down nlines
1712 * direction should be UP or DN 1891 * direction should be UP or DN
1713 */ 1892 */
1714/* EXTPROTO */ 1893bool
1715int
1716rxvt_scr_page(pR_ enum page_dirn direction, int nlines) 1894rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1717{ 1895{
1718 int n; 1896 int new_view_start =
1719 uint16_t oldviewstart; 1897 direction == UP ? view_start - nlines
1898 : view_start + nlines;
1720 1899
1721 D_SCREEN((stderr, "rxvt_scr_page(%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, R->TermWin.view_start));
1722#ifdef DEBUG_STRICT
1723 assert((nlines >= 0) && (nlines <= R->TermWin.nrow));
1724#endif
1725 oldviewstart = R->TermWin.view_start;
1726 if (direction == UP) {
1727 n = R->TermWin.view_start + nlines;
1728 R->TermWin.view_start = min(n, R->TermWin.nscrolled);
1729 } else {
1730 n = R->TermWin.view_start - nlines;
1731 R->TermWin.view_start = max(n, 0);
1732 }
1733 return rxvt_scr_changeview(aR_ oldviewstart); 1900 return scr_changeview (new_view_start);
1734} 1901}
1735 1902
1736/* INTPROTO */ 1903bool
1737int 1904rxvt_term::scr_changeview (int new_view_start) NOTHROW
1738rxvt_scr_changeview(pR_ uint16_t oldviewstart)
1739{ 1905{
1740 if (R->TermWin.view_start != oldviewstart) { 1906 clamp_it (new_view_start, top_row, 0);
1907
1908 if (new_view_start == view_start)
1909 return false;
1910
1911 num_scr += new_view_start - view_start;
1912 view_start = new_view_start;
1741 R->want_refresh = 1; 1913 want_refresh = 1;
1742#ifdef RXVT_GRAPHICS
1743 if (rxvt_Gr_Displayed(aR))
1744 rxvt_Gr_scroll(aR_ 0);
1745#endif
1746 R->num_scr -= (R->TermWin.view_start - oldviewstart);
1747 }
1748 return (int)(R->TermWin.view_start - oldviewstart);
1749}
1750 1914
1751/* ------------------------------------------------------------------------- */ 1915 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1752/* EXTPROTO */ 1916
1753void 1917 return true;
1754rxvt_scr_bell(pR) 1918}
1755{ 1919
1756#ifndef NO_BELL 1920#ifndef NO_BELL
1921void
1922rxvt_term::bell_cb (ev::timer &w, int revents)
1923{
1924 rvideo_bell = false;
1925 scr_rvideo_mode (rvideo_mode);
1926 refresh_check ();
1927}
1928#endif
1929
1930/* ------------------------------------------------------------------------- */
1931void
1932rxvt_term::scr_bell () NOTHROW
1933{
1934#ifndef NO_BELL
1935
1757# ifndef NO_MAPALERT 1936# ifndef NO_MAPALERT
1758# ifdef MAPALERT_OPTION 1937# ifdef MAPALERT_OPTION
1759 if (R->Options & Opt_mapAlert) 1938 if (option (Opt_mapAlert))
1760# endif 1939# endif
1761 XMapWindow(R->Xdisplay, R->TermWin.parent[0]); 1940 XMapWindow (dpy, parent);
1762# endif 1941# endif
1763 if (R->Options & Opt_visualBell) { 1942
1764 rxvt_scr_rvideo_mode(aR_ !R->rvideo); /* refresh also done */ 1943# if ENABLE_FRILLS
1765 rxvt_scr_rvideo_mode(aR_ !R->rvideo); /* refresh also done */ 1944 if (option (Opt_urgentOnBell))
1766 } else 1945 set_urgency (1);
1767 XBell(R->Xdisplay, 0);
1768#endif 1946# endif
1769}
1770 1947
1948 if (option (Opt_visualBell))
1949 {
1950 rvideo_bell = true;
1951 scr_rvideo_mode (rvideo_mode);
1952 flush ();
1953
1954 bell_ev.start (VISUAL_BELL_DURATION);
1955 }
1956 else
1957 XBell (dpy, 0);
1958 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1959#endif
1960}
1961
1771/* ------------------------------------------------------------------------- */ 1962/* ------------------------------------------------------------------------- */
1772/* ARGSUSED */
1773/* EXTPROTO */
1774void 1963void
1775rxvt_scr_printscreen(pR_ int fullhist) 1964rxvt_term::scr_printscreen (int fullhist) NOTHROW
1776{ 1965{
1777#ifdef PRINTPIPE 1966#ifdef PRINTPIPE
1778 int i, r1, nrows, row_offset; 1967 int nrows, row_start;
1779 text_t *t; 1968 FILE *fd = popen_printer ();
1780 FILE *fd;
1781 1969
1782 if ((fd = rxvt_popen_printer(aR)) == NULL) 1970 if (!fd)
1783 return; 1971 return;
1784 nrows = R->TermWin.nrow; 1972
1785 row_offset = R->TermWin.saveLines;
1786 if (!fullhist) 1973 if (fullhist)
1787 row_offset -= R->TermWin.view_start;
1788 else {
1789 nrows += R->TermWin.nscrolled;
1790 row_offset -= R->TermWin.nscrolled;
1791 } 1974 {
1792 1975 nrows = nrow - top_row;
1793 for (r1 = 0; r1 < nrows; r1++) { 1976 row_start = top_row;
1794 t = R->screen.text[r1 + row_offset]; 1977 }
1795 for (i = R->TermWin.ncol - 1; i >= 0; i--) 1978 else
1796 if (!isspace(t[i]))
1797 break;
1798 fprintf(fd, "%.*s\n", (i + 1), t);
1799 } 1979 {
1980 nrows = nrow;
1981 row_start = view_start;
1982 }
1983
1984 wctomb (0, 0);
1985
1986 for (int r1 = row_start; r1 < row_start + nrows; r1++)
1987 {
1988 text_t *tp = ROW(r1).t;
1989 int len = ROW(r1).l;
1990
1991 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
1992 {
1993 char mb[MB_LEN_MAX];
1994 text_t t = *tp++;
1995 if (t == NOCHAR)
1996 continue;
1997
1998 len = wctomb (mb, t);
1999
2000 if (len <= 0)
2001 {
2002 mb[0] = ' ';
2003 len = 1;
2004 }
2005
2006 fwrite (mb, 1, len, fd);
2007 }
2008
2009 fputc ('\n', fd);
2010 }
2011
1800 rxvt_pclose_printer(fd); 2012 pclose_printer (fd);
1801#endif 2013#endif
1802} 2014}
1803 2015
1804/* ------------------------------------------------------------------------- */ 2016/* ------------------------------------------------------------------------- */
1805/* 2017/*
1806 * Refresh the screen 2018 * Refresh the screen
1807 * R->drawn_text/R->drawn_rend contain the screen information before the update. 2019 * drawn_text/drawn_rend contain the screen information before the update.
1808 * R->screen.text/R->screen.rend contain what the screen will change to. 2020 * screen.text/screen.rend contain what the screen will change to.
2021 */
2022void
2023rxvt_term::scr_refresh () NOTHROW
2024{
2025 int16_t col, row, /* column/row we're processing */
2026 ocrow; /* old cursor row */
2027 int i; /* tmp */
2028#ifndef NO_CURSORCOLOR
2029 rend_t cc1; /* store colours at cursor position (s) */
2030#endif
2031 rend_t *crp; // cursor rendition pointer
2032 rend_t ccol1, /* Cursor colour */
2033 ccol2; /* Cursor colour2 */
2034
2035 want_refresh = 0; /* screen is current */
2036
2037 if (refresh_type == NO_REFRESH || !mapped)
2038 return;
2039
2040 /*
2041 * A: set up vars
1809 */ 2042 */
2043 refresh_count = 0;
1810 2044
1811#if defined (NO_BRIGHTCOLOR) || defined (VERYBOLD) 2045 unsigned int old_screen_flags = screen.flags;
1812# define MONO_BOLD(x) ((x) & (RS_Bold|RS_Blink)) 2046 char have_bg = 0;
1813# define MONO_BOLD_FG(x, fg) MONO_BOLD(x) 2047#ifdef HAVE_BG_PIXMAP
2048 have_bg = bg_pixmap != None;
2049#endif
2050 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2051
2052 /*
2053 * B: reverse any characters which are selected
2054 */
2055 scr_reverse_selection ();
2056
2057 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2058#if ENABLE_OVERLAY
2059 scr_swap_overlay ();
2060#endif
2061
2062 char showcursor = screen.flags & Screen_VisibleCursor;
2063
2064 /*
2065 * C: set the cursor character (s)
2066 */
2067 {
2068 unsigned char setoldcursor;
2069
2070#ifdef CURSOR_BLINK
2071 if (hidden_cursor)
2072 showcursor = 0;
2073#endif
2074
2075 if (showcursor)
2076 {
2077 int col = screen.cur.col;
2078
2079 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2080 col--;
2081
2082 crp = &ROW(screen.cur.row).r[col];
2083
2084#ifndef NO_CURSORCOLOR
2085 cc1 = *crp & (RS_fgMask | RS_bgMask);
2086 if (ISSET_PIXCOLOR (Color_cursor))
2087 ccol1 = Color_cursor;
2088 else
2089#endif
2090#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2091 ccol1 = fgcolor_of (rstyle);
1814#else 2092#else
1815# define MONO_BOLD(x) \ 2093 ccol1 = Color_fg;
1816 (((x) & (RS_Bold | RS_fgMask)) == (RS_Bold | Color_fg))
1817# define MONO_BOLD_FG(x, fg) (((x) & RS_Bold) && (fg) == Color_fg)
1818#endif 2094#endif
1819 2095
1820#define FONT_WIDTH(X, Y) \
1821 (X)->per_char[(Y) - (X)->min_char_or_byte2].width
1822#define FONT_RBEAR(X, Y) \
1823 (X)->per_char[(Y) - (X)->min_char_or_byte2].rbearing
1824#define FONT_LBEAR(X, Y) \
1825 (X)->per_char[(Y) - (X)->min_char_or_byte2].lbearing
1826#define IS_FONT_CHAR(X, Y) \
1827 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
1828
1829/* EXTPROTO */
1830void
1831rxvt_scr_refresh(pR_ unsigned char refresh_type)
1832{
1833 unsigned char clearfirst, /* first character writes before cell */
1834 clearlast, /* last character writes beyond cell */
1835 must_clear, /* use draw_string not draw_image_string */
1836#ifndef NO_BOLDFONT
1837 bfont, /* we've changed font to bold font */
1838#endif
1839 rvid, /* reverse video this position */
1840 wbyte, /* we're in multibyte */
1841 showcursor; /* show the cursor */
1842 int fore, back; /* desired foreground/background */
1843 int16_t col, row, /* column/row we're processing */
1844 ocrow; /* old cursor row */
1845 int cursorwidth;
1846 int i, /* tmp */
1847 row_offset; /* basic offset in screen structure */
1848#ifndef NO_CURSORCOLOR 2096#ifndef NO_CURSORCOLOR
1849 rend_t cc1; /* store colours at cursor position(s) */
1850 rend_t cc2; /* store colours at cursor position(s) */
1851#endif
1852 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */
1853 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
1854 char *buffer; /* local copy of R->buffer */
1855
1856 if (refresh_type == NO_REFRESH || !R->TermWin.mapped)
1857 return;
1858
1859 /*
1860 * A: set up vars
1861 */
1862 clearfirst = clearlast = must_clear = wbyte = 0;
1863#ifndef NO_BOLDFONT
1864 bfont = 0;
1865#endif
1866
1867 if (R->currmaxcol < R->TermWin.ncol)
1868 {
1869 R->currmaxcol = R->TermWin.ncol;
1870 R->buffer = (char *)rxvt_realloc (R->buffer,
1871 sizeof(char) * (R->currmaxcol + 1) * MB_CUR_MAX);
1872 }
1873
1874 buffer = R->buffer;
1875 R->refresh_count = 0;
1876
1877 row_offset = R->TermWin.saveLines - R->TermWin.view_start;
1878
1879 if ((refresh_type & REFRESH_BOUNDS))
1880 {
1881 clearfirst = clearlast = 1;
1882 R->refresh_type &= ~REFRESH_BOUNDS;
1883 }
1884
1885#if defined(XPM_BACKGROUND)
1886 must_clear |= (R->bgPixmap.pixmap != None);
1887#endif
1888#if defined(TRANSPARENT)
1889 must_clear |= ((R->Options & Opt_transparent) && R->am_transparent);
1890#endif
1891 ocrow = R->oldcursor.row; /* is there an old outline cursor on screen? */
1892
1893/*
1894 * B: reverse any characters which are selected
1895 */
1896 rxvt_scr_reverse_selection(aR);
1897
1898/*
1899 * C: set the cursor character(s)
1900 */
1901 {
1902 unsigned char setoldcursor;
1903 rend_t ccol1, /* Cursor colour */
1904 ccol2; /* Cursor colour2 */
1905
1906 showcursor = (R->screen.flags & Screen_VisibleCursor);
1907 cursorwidth = 0;
1908#ifdef CURSOR_BLINK
1909 if (R->hidden_cursor)
1910 showcursor = 0;
1911#endif
1912
1913 cursorwidth = 0;
1914
1915 if (showcursor)
1916 {
1917 cursorwidth++;
1918
1919 srp = &(R->screen.rend[R->screen.cur.row + R->TermWin.saveLines]
1920 [R->screen.cur.col]);
1921
1922 if (showcursor && R->TermWin.focus)
1923 {
1924 *srp ^= RS_RVid;
1925#ifndef NO_CURSORCOLOR
1926 cc1 = *srp & (RS_fgMask | RS_bgMask);
1927 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_cursor)) 2097 if (ISSET_PIXCOLOR (Color_cursor2))
1928 ccol1 = Color_cursor; 2098 ccol2 = Color_cursor2;
1929 else 2099 else
2100#endif
1930#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2101#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1931 ccol1 = GET_FGCOLOR(R->rstyle); 2102 ccol2 = bgcolor_of (rstyle);
1932#else 2103#else
1933 ccol1 = Color_fg; 2104 ccol2 = Color_bg;
1934#endif 2105#endif
1935 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_cursor2)) 2106
1936 ccol2 = Color_cursor2; 2107 if (focus)
2108 {
2109 if (option (Opt_cursorUnderline))
2110 *crp ^= RS_Uline;
1937 else 2111 else
1938#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2112 {
1939 ccol2 = GET_BGCOLOR(R->rstyle); 2113 *crp ^= RS_RVid;
1940#else
1941 ccol2 = Color_bg;
1942#endif
1943 *srp = SET_FGCOLOR(*srp, ccol1); 2114 *crp = SET_FGCOLOR (*crp, ccol1);
1944 *srp = SET_BGCOLOR(*srp, ccol2); 2115 *crp = SET_BGCOLOR (*crp, ccol2);
1945#endif
1946 }
1947
1948 while (IS_WIDE (*srp))
1949 cursorwidth++, srp++;
1950 }
1951
1952 /* make sure no outline cursor is left around */
1953 setoldcursor = 0;
1954 if (ocrow != -1) {
1955 if (R->screen.cur.row + R->TermWin.view_start != ocrow
1956 || R->screen.cur.col != R->oldcursor.col) {
1957 if (ocrow < R->TermWin.nrow
1958 && R->oldcursor.col < R->TermWin.ncol) {
1959 R->drawn_rend[ocrow][R->oldcursor.col] ^= (RS_RVid | RS_Uline);
1960 } 2116 }
1961 if (R->TermWin.focus || !showcursor)
1962 R->oldcursor.row = -1;
1963 else
1964 setoldcursor = 1;
1965 }
1966 } else if (!R->TermWin.focus)
1967 setoldcursor = 1;
1968 if (setoldcursor) {
1969 if (R->screen.cur.row + R->TermWin.view_start >= R->TermWin.nrow)
1970 R->oldcursor.row = -1;
1971 else {
1972 R->oldcursor.row = R->screen.cur.row + R->TermWin.view_start;
1973 R->oldcursor.col = R->screen.cur.col;
1974 } 2117 }
1975 } 2118 }
2119
2120 /* make sure no outline cursor is left around */
2121 setoldcursor = 0;
2122 if (ocrow != -1)
2123 {
2124 if (screen.cur.row - view_start != ocrow
2125 || screen.cur.col != oldcursor.col)
2126 {
2127 if (ocrow < nrow
2128 && oldcursor.col < ncol)
2129 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2130
2131 if (focus || !showcursor)
2132 oldcursor.row = -1;
2133 else
2134 setoldcursor = 1;
2135 }
1976 } 2136 }
2137 else if (!focus)
2138 setoldcursor = 1;
2139
2140 if (setoldcursor)
2141 {
2142 if (screen.cur.row - view_start >= nrow)
2143 oldcursor.row = -1;
2144 else
2145 {
2146 oldcursor.row = screen.cur.row - view_start;
2147 oldcursor.col = screen.cur.col;
2148 }
2149 }
2150 }
1977 2151
1978#ifndef NO_SLOW_LINK_SUPPORT 2152#ifndef NO_SLOW_LINK_SUPPORT
1979/* 2153 /*
1980 * D: CopyArea pass - very useful for slower links 2154 * D: CopyArea pass - very useful for slower links
1981 * This has been deliberately kept simple. 2155 * This has been deliberately kept simple.
1982 */ 2156 */
1983 i = R->num_scr; 2157 if (!display->is_local
1984 if (refresh_type == FAST_REFRESH && R->num_scr_allow && i 2158 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
1985 && abs(i) < R->TermWin.nrow && !must_clear) 2159 && abs (num_scr) < nrow && !have_bg)
1986 { 2160 {
1987 int16_t nits; 2161 int16_t nits;
1988 int j; 2162 int i = num_scr;
1989 rend_t *drp2; 2163 int j;
1990 text_t *dtp2; 2164 int len, wlen;
1991 int len, wlen; 2165 dLocal (int, num_scr);
1992 2166
1993 j = R->TermWin.nrow; 2167 j = nrow;
1994 wlen = len = -1; 2168 wlen = len = -1;
1995 row = i > 0 ? 0 : j - 1; 2169 row = i > 0 ? 0 : j - 1;
2170
1996 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2171 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
1997 { 2172 {
1998 if (row + i >= 0 && row + i < R->TermWin.nrow && row + i != ocrow) 2173 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
1999 { 2174 {
2000 stp = R->screen.text[row + row_offset]; 2175 line_t s = ROW(view_start + row);
2001 srp = R->screen.rend[row + row_offset];
2002 dtp = R->drawn_text[row]; 2176 line_t d = drawn_buf[row];
2003 dtp2 = R->drawn_text[row + i]; 2177 line_t d2 = drawn_buf[row + i];
2004 drp = R->drawn_rend[row];
2005 drp2 = R->drawn_rend[row + i];
2006 2178
2007 for (nits = 0, col = R->TermWin.ncol; col--; ) 2179 for (nits = 0, col = ncol; col--; )
2008 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2180 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2009 nits--; 2181 nits--;
2010 else if (stp[col] != dtp[col] || srp[col] != drp[col]) 2182 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
2011 nits++; 2183 nits++;
2012 2184
2013 if (nits > 8) /* XXX: arbitrary choice */ 2185 if (nits > 8) /* XXX: arbitrary choice */
2186 {
2187 for (col = ncol; col--; )
2188 {
2189 *d.t++ = *d2.t++;
2190 *d.r++ = *d2.r++;
2191 }
2192
2193 if (len == -1)
2194 len = row;
2195
2196 wlen = row;
2197 continue;
2198 }
2199 }
2200
2201 if (len >= 0)
2202 {
2203 /* also comes here at end if needed because of >= above */
2204 if (wlen < len)
2205 ::swap (wlen, len);
2206
2207 XGCValues gcv;
2208
2209 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2210 XCopyArea (dpy, vt, vt,
2211 gc, 0, Row2Pixel (len + i),
2212 (unsigned int)this->width,
2213 (unsigned int)Height2Pixel (wlen - len + 1),
2214 0, Row2Pixel (len));
2215 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2216
2217 len = -1;
2218 }
2219 }
2220 }
2221#endif
2222
2223 /*
2224 * E: main pass across every character
2225 */
2226 for (row = 0; row < nrow; row++)
2227 {
2228 text_t *stp = ROW(view_start + row).t;
2229 rend_t *srp = ROW(view_start + row).r;
2230 text_t *dtp = drawn_buf[row].t;
2231 rend_t *drp = drawn_buf[row].r;
2232
2233 /*
2234 * E2: OK, now the real pass
2235 */
2236 int ypixel = (int)Row2Pixel (row);
2237
2238 for (col = 0; col < ncol; col++)
2239 {
2240 /* compare new text with old - if exactly the same then continue */
2241 if (stp[col] == dtp[col] /* Must match characters to skip. */
2242 && (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2243 || (stp[col] == ' ' /* space w/ no background change */
2244 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2245 continue;
2246
2247 // redraw one or more characters
2248
2249 // seek to the beginning of wide characters
2250 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2251 --col;
2252
2253 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2254 text_t *text = stp + col;
2255 int count = 1;
2256
2257 dtp[col] = stp[col];
2258 drp[col] = rend;
2259
2260 int xpixel = Col2Pixel (col);
2261
2262 for (i = 0; ++col < ncol; )
2263 {
2264 if (stp[col] == NOCHAR)
2265 {
2266 dtp[col] = stp[col];
2267 drp[col] = srp[col];
2268
2269 count++;
2270 i++;
2271
2272 continue;
2273 }
2274
2275 if (!RS_SAME (rend, srp[col]))
2276 break;
2277
2278 count++;
2279
2280 if (stp[col] != dtp[col]
2281 || !RS_SAME (srp[col], drp[col]))
2282 {
2283 if (have_bg && (i++ > count / 2))
2284 break;
2285
2286 dtp[col] = stp[col];
2287 drp[col] = rend;
2288 i = 0;
2289 }
2290 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2291 break;
2292 }
2293
2294 col--; /* went one too far. move back */
2295 count -= i; /* dump any matching trailing chars */
2296
2297 // sometimes we optimize away the trailing NOCHAR's, add them back
2298 while (ecb_unlikely (i && text[count] == NOCHAR))
2299 count++, i--;
2300
2301 /*
2302 * Determine the attributes for the string
2303 */
2304 int fore = fgcolor_of (rend); // desired foreground
2305 int back = bgcolor_of (rend); // desired background
2306
2307 // only do special processing if any attributes are set, which is unlikely
2308 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2309 {
2310 bool invert = rend & RS_RVid;
2311
2312#ifndef NO_BOLD_UNDERLINE_REVERSE
2313 if (rend & RS_Bold && fore == Color_fg)
2314 {
2315 if (ISSET_PIXCOLOR (Color_BD))
2316 fore = Color_BD;
2317# if !ENABLE_STYLES
2318 else
2319 invert = !invert;
2320# endif
2321 }
2322
2323 if (rend & RS_Italic && fore == Color_fg)
2324 {
2325 if (ISSET_PIXCOLOR (Color_IT))
2326 fore = Color_IT;
2327# if !ENABLE_STYLES
2328 else
2329 invert = !invert;
2330# endif
2331 }
2332
2333 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2334 fore = Color_UL;
2335#endif
2336
2337#ifdef OPTION_HC
2338 if (rend & RS_Sel)
2339 {
2340 /* invert the column if no highlightColor is set or it is the
2341 * current cursor column */
2342 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2343 && ISSET_PIXCOLOR (Color_HC))
2344 {
2345 if (ISSET_PIXCOLOR (Color_HTC))
2346 fore = Color_HTC;
2347 // if invert is 0 reverse video is set so we use bg color as fg color
2348 else if (!invert)
2349 fore = back;
2350
2351 back = Color_HC;
2352 invert = 0;
2353 }
2354 }
2355#endif
2356
2357 if (invert)
2358 {
2359 ::swap (fore, back);
2360
2361#ifndef NO_BOLD_UNDERLINE_REVERSE
2362 if (fore == back)
2363 {
2364 fore = Color_bg;
2365 back = Color_fg;
2366 }
2367#endif
2368 }
2369
2370#ifdef TEXT_BLINK
2371 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2372 {
2373 if (!text_blink_ev.is_active ())
2374 {
2375 text_blink_ev.again ();
2376 hidden_text = 0;
2377 }
2378 else if (hidden_text)
2379 fore = back;
2380 }
2381#endif
2382
2383#if ENABLE_STYLES
2384 // "careful" (too wide) character handling
2385
2386 // include previous careful character(s) if possible, looks nicer (best effort...)
2387 while (text > stp
2388 && srp[text - stp - 1] & RS_Careful
2389 && RS_SAME (rend, srp[text - stp - 1]))
2390 text--, count++, xpixel -= fwidth;
2391
2392 // force redraw after "careful" characters to avoid pixel droppings
2393 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2394 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2395
2396 // force redraw before "careful" characters to avoid pixel droppings
2397 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2398 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2399#endif
2400 }
2401
2402 /*
2403 * Actually do the drawing of the string here
2404 */
2405 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2406
2407 if (ecb_likely (have_bg && back == Color_bg))
2408 {
2409 // this is very ugly, maybe push it into ->draw?
2410
2411 for (i = 0; i < count; i++) /* don't draw empty strings */
2412 if (text[i] != ' ')
2014 { 2413 {
2015 for (col = R->TermWin.ncol; col--; ) 2414 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2016 { 2415 goto did_clear;
2017 *dtp++ = *dtp2++;
2018 *drp++ = *drp2++;
2019 }
2020
2021 if (len == -1)
2022 len = row;
2023
2024 wlen = row;
2025 continue;
2026 } 2416 }
2417
2418 CLEAR_CHARS (xpixel, ypixel, count);
2419 did_clear: ;
2027 } 2420 }
2421 else
2422 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2028 2423
2029 if (len != -1) 2424 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2030 { 2425 {
2031 /* also comes here at end if needed because of >= above */ 2426#if ENABLE_FRILLS
2032 if (wlen < len) 2427 if (ISSET_PIXCOLOR (Color_underline))
2033 SWAP_IT(wlen, len, int); 2428 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2034 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1));
2035 XCopyArea(R->Xdisplay, R->TermWin.vt, R->TermWin.vt,
2036 R->TermWin.gc, 0, Row2Pixel(len + i),
2037 (unsigned int)TermWin_TotalWidth(),
2038 (unsigned int)Height2Pixel(wlen - len + 1),
2039 0, Row2Pixel(len));
2040 len = -1;
2041 }
2042 }
2043 }
2044#endif
2045
2046/*
2047 * E: main pass across every character
2048 */
2049 for (row = 0; row < R->TermWin.nrow; row++)
2050 {
2051 stp = R->screen.text[row + row_offset];
2052 srp = R->screen.rend[row + row_offset];
2053 dtp = R->drawn_text[row];
2054 drp = R->drawn_rend[row];
2055
2056/*
2057 * E2: OK, now the real pass
2058 */
2059 int ypixel = (int)Row2Pixel(row);
2060
2061 for (col = 0; col < R->TermWin.ncol; col++)
2062 {
2063 /* compare new text with old - if exactly the same then continue */
2064 rend_t rend = srp[col]; /* screen rendition (target rendtion) */
2065
2066 if (stp[col] == dtp[col] /* Must match characters to skip. */
2067 && (rend == drp[col] /* Either rendition the same or */
2068 || (stp[col] == ' ' /* space w/ no background change */
2069 && GET_BGATTR(rend) == GET_BGATTR(drp[col]))))
2070 continue;
2071
2072 text_t *text = stp + col;
2073 int count = 1;
2074
2075 /* redraw one or more characters */
2076
2077 dtp[col] = stp[col];
2078 drp[col] = rend;
2079
2080 if (*text == NOCHAR) // never start redrawing at invisible characters. */
2081 continue;
2082
2083 int xpixel = Col2Pixel(col);
2084
2085 // this loop looks very messy, it can probably be optimized
2086 // and cleaned a bit by you?
2087 for (i = 0; ++col < R->TermWin.ncol; )
2088 {
2089 if (stp[col] == NOCHAR)
2090 {
2091 dtp[col] = stp[col];
2092 drp[col] = rend;
2093 count++;
2094
2095 if (i) // only possible skip if char unchanged
2096 i++;
2097
2098 continue;
2099 }
2100
2101 if (((rend ^ srp[col]) & ~RS_wide) != 0)
2102 break;
2103
2104 count++;
2105
2106 if (stp[col] != dtp[col]
2107 || srp[col] != drp[col])
2108 {
2109 if (must_clear && (i++ > (count / 2)))
2110 break;
2111
2112 dtp[col] = stp[col];
2113 drp[col] = rend;
2114 i = 0;
2115 }
2116 else if (must_clear || (stp[col] != ' ' && ++i >= 32))
2117 break;
2118 }
2119
2120 col--; /* went one too far. move back */
2121 count -= i; /* dump any matching trailing chars */
2122
2123/*
2124 * Determine the attributes for the string
2125 */
2126 int fid = GET_FONT(rend);
2127 fore = GET_FGCOLOR(rend);
2128 back = GET_BGCOLOR(rend);
2129 rend = GET_ATTR(rend);
2130
2131 rvid = (rend & RS_RVid) ? 1 : 0;
2132#ifdef OPTION_HC
2133 if (!rvid && (rend & RS_Blink))
2134 {
2135 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_HC))
2136 back = Color_HC;
2137 else 2429 else
2138 rvid = !rvid; /* fall back */ 2430#endif
2431 XSetForeground (dpy, gc, pix_colors[fore]);
2432
2433 XDrawLine (dpy, vt, gc,
2434 xpixel, ypixel + font->ascent + 1,
2435 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2139 } 2436 }
2140#endif 2437 } /* for (col....) */
2141 if (rvid) 2438 } /* for (row....) */
2439
2440 /*
2441 * G: cleanup cursor and display outline cursor if necessary
2442 */
2443 if (showcursor)
2444 {
2445 if (focus)
2446 {
2447 if (option (Opt_cursorUnderline))
2448 *crp ^= RS_Uline;
2449 else
2142 { 2450 {
2143 SWAP_IT(fore, back, int); 2451 *crp ^= RS_RVid;
2144
2145#ifndef NO_BOLD_UNDERLINE_REVERSE
2146 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_RV)
2147# ifndef NO_CURSORCOLOR 2452#ifndef NO_CURSORCOLOR
2453 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1;
2454#endif
2455 }
2456 }
2457 else if (oldcursor.row >= 0)
2458 {
2459 int cursorwidth = 1;
2460 int col = oldcursor.col;
2461
2462 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2463 col--;
2464
2465 while (col + cursorwidth < ncol
2466 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2467 cursorwidth++;
2468
2469#ifndef NO_CURSORCOLOR
2148 && !ISSET_PIXCOLOR(R, Color_cursor) 2470 if (ISSET_PIXCOLOR (Color_cursor))
2471 XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2472 else
2473#endif
2474 XSetForeground (dpy, gc, pix_colors[ccol1]);
2475
2476 XDrawRectangle (dpy, vt, gc,
2477 Col2Pixel (col),
2478 Row2Pixel (oldcursor.row),
2479 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2480 (unsigned int) (Height2Pixel (1) - lineSpace - 1));
2481 }
2482 }
2483
2484 /*
2485 * H: cleanup selection
2486 */
2487#if ENABLE_OVERLAY
2488 scr_swap_overlay ();
2489#endif
2490 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2491
2492 scr_reverse_selection ();
2493
2494 screen.flags = old_screen_flags;
2495 num_scr = 0;
2496 num_scr_allow = 1;
2497}
2498
2499void
2500rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2501{
2502 if (!l.t)
2503 return;
2504
2505 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2506
2507 for (int i = ncol; i--; )
2508 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2509}
2510
2511void
2512rxvt_term::scr_remap_chars () NOTHROW
2513{
2514 for (int i = total_rows; i--; )
2515 scr_remap_chars (row_buf [i]);
2516
2517 for (int i = nrow; i--; )
2518 {
2519 scr_remap_chars (drawn_buf [i]);
2520 scr_remap_chars (swap_buf [i]);
2521 }
2522}
2523
2524void
2525rxvt_term::scr_recolour (bool refresh) NOTHROW
2526{
2527 bool transparent = false;
2528
2529#ifdef HAVE_BG_PIXMAP
2530 if (bg_pixmap != None)
2531 {
2532# ifdef ENABLE_TRANSPARENCY
2533 if (bg_flags & BG_IS_TRANSPARENT)
2534 {
2535 XSetWindowBackgroundPixmap (dpy, parent, bg_pixmap);
2536 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2537
2538 transparent = true;
2539 }
2540 else
2149# endif 2541# endif
2150 )
2151 back = Color_RV;
2152#endif
2153 }
2154#ifndef NO_BOLD_UNDERLINE_REVERSE
2155 else if (rend & RS_Bold)
2156 { 2542 {
2157 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_BD)) 2543 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2158 { 2544 XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap);
2159 fore = Color_BD; 2545 }
2160# ifndef VERYBOLD 2546 }
2161 rend &= ~RS_Bold; /* we've taken care of it */ 2547 else
2162# endif 2548#endif
2163 }
2164 }
2165 else if (rend & RS_Uline)
2166 {
2167 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_UL))
2168 {
2169 fore = Color_UL;
2170 rend &= ~RS_Uline; /* we've taken care of it */
2171 }
2172 }
2173#endif
2174
2175/*
2176 * Actually do the drawing of the string here
2177 */
2178 rxvt_font *font = (*R->TermWin.fontset)[fid];
2179
2180 if (back == Color_bg)
2181 {
2182 if (must_clear)
2183 {
2184 for (i = 0; i < count; i++) /* don't draw empty strings */
2185 if (text[i] != ' ')
2186 {
2187 font->draw (xpixel, ypixel, text, count, fore, -1);
2188 goto nodraw;
2189 }
2190
2191 CLEAR_CHARS(xpixel, ypixel, count);
2192nodraw: ;
2193 }
2194 else
2195 font->draw (xpixel, ypixel, text, count, fore, Color_bg);
2196 }
2197 else
2198 font->draw (xpixel, ypixel, text, count, fore, back);
2199
2200 if ((rend & RS_Uline) && (font->descent > 1))
2201 XDrawLine(R->Xdisplay, drawBuffer, R->TermWin.gc,
2202 xpixel, ypixel + font->ascent + 1,
2203 xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1);
2204 } /* for (col....) */
2205 } /* for (row....) */
2206
2207/*
2208 * G: cleanup cursor and display outline cursor if necessary
2209 */
2210 if (showcursor) {
2211 if (R->TermWin.focus) {
2212 srp = &(R->screen.rend[R->screen.cur.row + R->TermWin.saveLines]
2213 [R->screen.cur.col]);
2214 *srp ^= RS_RVid;
2215#ifndef NO_CURSORCOLOR
2216 *srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1;
2217#endif
2218 } else if (R->oldcursor.row >= 0) {
2219#ifndef NO_CURSORCOLOR
2220 unsigned long gcmask; /* Graphics Context mask */
2221
2222 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_cursor)) {
2223 XSetForeground (R->Xdisplay, R->TermWin.gc, R->PixColors[Color_cursor]);
2224 }
2225#endif
2226 XDrawRectangle(R->Xdisplay, drawBuffer, R->TermWin.gc,
2227 Col2Pixel(R->oldcursor.col),
2228 Row2Pixel(R->oldcursor.row),
2229 (unsigned int)(Width2Pixel(cursorwidth) - 1),
2230 (unsigned int)(Height2Pixel(1) - R->TermWin.lineSpace - 1));
2231 }
2232 } 2549 {
2233/* 2550 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2234 * H: cleanup selection 2551 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2235 */ 2552 }
2236 rxvt_scr_reverse_selection(aR);
2237 2553
2238/* 2554 XClearWindow (dpy, parent);
2239 * I: other general cleanup
2240 */
2241 if (clearfirst && R->TermWin.int_bwidth)
2242 /*
2243 * clear the whole screen height, note that width == 0 is treated
2244 * specially by XClearArea
2245 */
2246 XClearArea(R->Xdisplay, R->TermWin.vt, 0, 0,
2247 (unsigned int)R->TermWin.int_bwidth,
2248 (unsigned int)TermWin_TotalHeight(), False);
2249 if (clearlast && R->TermWin.int_bwidth)
2250 /*
2251 * clear the whole screen height, note that width == 0 is treated
2252 * specially by XClearArea
2253 */
2254 XClearArea(R->Xdisplay, R->TermWin.vt,
2255 R->TermWin.width + R->TermWin.int_bwidth, 0,
2256 (unsigned int)R->TermWin.int_bwidth,
2257 (unsigned int)TermWin_TotalHeight(), False);
2258 if (refresh_type & SMOOTH_REFRESH)
2259 XSync(R->Xdisplay, False);
2260 2555
2261 R->num_scr = 0; 2556 if (scrollBar.win)
2262 R->num_scr_allow = 1; 2557 {
2263 R->want_refresh = 0; /* screen is current */ 2558 if (transparent)
2264} 2559 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2265/* ------------------------------------------------------------------------- */
2266
2267/* EXTPROTO */
2268void
2269rxvt_scr_clear(pR)
2270{
2271 if (!R->TermWin.mapped)
2272 return;
2273 R->num_scr_allow = 0;
2274 R->want_refresh = 1;
2275#ifdef TRANSPARENT
2276 if ((R->Options & Opt_transparent) && (R->am_pixmap_trans == 0)) {
2277 int i;
2278
2279 if (!(R->Options & Opt_transparent_all))
2280 i = 0;
2281 else 2560 else
2282 i = (int)(sizeof(R->TermWin.parent) / sizeof(Window)); 2561 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);
2283 for (; i--;) 2562 scrollBar.state = SB_STATE_IDLE;
2284 if (R->TermWin.parent[i] != None) 2563 scrollBar.show (0);
2285 XClearWindow(R->Xdisplay, R->TermWin.parent[i]); 2564 }
2565
2566 if (refresh)
2286 } 2567 {
2287#endif 2568 scr_clear ();
2288 XClearWindow(R->Xdisplay, R->TermWin.vt); 2569 scr_touch (true);
2570 }
2571 want_refresh = 1;
2289} 2572}
2290 2573
2291/* ------------------------------------------------------------------------- */ 2574/* ------------------------------------------------------------------------- */
2292/* INTPROTO */
2293void 2575void
2576rxvt_term::scr_clear (bool really) NOTHROW
2577{
2578 if (!mapped)
2579 return;
2580
2581 num_scr_allow = 0;
2582 want_refresh = 1;
2583
2584 if (really)
2585 XClearWindow (dpy, vt);
2586}
2587
2588void
2589rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
2590{
2591 int view_end = view_start + nrow;
2592 int row, col;
2593
2594 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2595 {
2596 text_t *stp = ROW(row).t;
2597 rend_t *srp = ROW(row).r;
2598
2599 for (col = beg_col; col < end_col; col++)
2600 srp[col] ^= rstyle1;
2601
2602 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2603 srp[col] ^= rstyle2;
2604
2605 if (++col < end_col)
2606 srp[col] ^= rstyle2;
2607 }
2608}
2609
2610void
2611rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
2612{
2613 int view_end = view_start + nrow;
2614 int row, col;
2615
2616 if (beg_row >= view_start)
2617 {
2618 col = beg_col;
2619 row = beg_row;
2620 }
2621 else
2622 {
2623 col = 0;
2624 row = view_start;
2625 }
2626
2627 for (; row < min (end_row, view_end); row++, col = 0)
2628 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2629 srp[col] ^= rstyle;
2630
2631 if (row == end_row)
2632 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2633 srp[col] ^= rstyle;
2634}
2635
2636/* ------------------------------------------------------------------------- */
2637void
2294rxvt_scr_reverse_selection(pR) 2638rxvt_term::scr_reverse_selection () NOTHROW
2295{ 2639{
2296 int i, col, row, end_row; 2640 if (selection.op
2297 rend_t *srp; 2641 && current_screen == selection.screen
2298 2642 && selection.end.row >= view_start)
2299 if (R->selection.op && R->current_screen == R->selection.screen) { 2643 {
2300 end_row = R->TermWin.saveLines - R->TermWin.view_start; 2644#if !ENABLE_MINIMAL
2301 i = R->selection.beg.row + R->TermWin.saveLines; 2645 if (selection.rect)
2302 row = R->selection.end.row + R->TermWin.saveLines; 2646 scr_xor_rect (selection.beg.row, selection.beg.col,
2303 if (i >= end_row) 2647 selection.end.row, selection.end.col,
2304 col = R->selection.beg.col; 2648 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2305 else { 2649 else
2306 col = 0;
2307 i = end_row;
2308 }
2309 end_row += R->TermWin.nrow;
2310 for (; i < row && i < end_row; i++, col = 0)
2311 for (srp = R->screen.rend[i]; col < R->TermWin.ncol; col++)
2312#ifndef OPTION_HC
2313 srp[col] ^= RS_RVid;
2314#else
2315 srp[col] ^= RS_Blink;
2316#endif 2650#endif
2317 if (i == row && i < end_row) 2651 scr_xor_span (selection.beg.row, selection.beg.col,
2318 for (srp = R->screen.rend[i]; col < R->selection.end.col; col++) 2652 selection.end.row, selection.end.col,
2319#ifndef OPTION_HC 2653 RS_Sel | RS_RVid);
2320 srp[col] ^= RS_RVid;
2321#else
2322 srp[col] ^= RS_Blink;
2323#endif
2324 } 2654 }
2325} 2655}
2326 2656
2327/* ------------------------------------------------------------------------- */ 2657/* ------------------------------------------------------------------------- */
2328/* 2658/*
2329 * Dump the whole scrollback and screen to the passed filedescriptor. The 2659 * Dump the whole scrollback and screen to the passed filedescriptor. The
2330 * invoking routine must close the fd. 2660 * invoking routine must close the fd.
2331 */ 2661 */
2332#if 0 2662#if 0
2333/* EXTPROTO */
2334void 2663void
2335rxvt_scr_dump(pR_ int fd) 2664rxvt_term::scr_dump (int fd) NOTHROW
2336{ 2665{
2337 int row, wrote; 2666 int row, wrote;
2338 unsigned int width, towrite; 2667 unsigned int width, towrite;
2339 char r1[] = "\n"; 2668 const char r1[] = "\n";
2340 2669
2341 for (row = R->TermWin.saveLines - R->TermWin.nscrolled; 2670 for (row = saveLines + top_row;
2342 row < R->TermWin.saveLines + R->TermWin.nrow - 1; row++) { 2671 row < saveLines + nrow - 1; row++)
2343 width = R->screen.tlen[row] >= 0 ? R->screen.tlen[row] 2672 {
2344 : R->TermWin.ncol; 2673 width = row_buf[row].l >= 0 ? row_buf[row].l
2674 : ncol;
2345 for (towrite = width; towrite; towrite -= wrote) { 2675 for (towrite = width; towrite; towrite -= wrote)
2676 {
2346 wrote = write(fd, &(R->screen.text[row][width - towrite]), 2677 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2347 towrite); 2678 towrite);
2348 if (wrote < 0) 2679 if (wrote < 0)
2349 return; /* XXX: death, no report */ 2680 return; /* XXX: death, no report */
2350 } 2681 }
2351 if (R->screen.tlen[row] >= 0) 2682 if (row_buf[row].l >= 0)
2352 if (write(fd, r1, 1) <= 0) 2683 if (write (fd, r1, 1) <= 0)
2353 return; /* XXX: death, no report */ 2684 return; /* XXX: death, no report */
2354 } 2685 }
2355} 2686}
2356#endif 2687#endif
2357 2688
2358/* ------------------------------------------------------------------------- * 2689/* ------------------------------------------------------------------------- *
2359 * CHARACTER SELECTION * 2690 * CHARACTER SELECTION *
2360 * ------------------------------------------------------------------------- */ 2691 * ------------------------------------------------------------------------- */
2361
2362/*
2363 * -R->TermWin.nscrolled <= (selection row) <= R->TermWin.nrow - 1
2364 */
2365/* EXTPROTO */
2366void 2692void
2367rxvt_selection_check(pR_ int check_more) 2693rxvt_term::selection_check (int check_more) NOTHROW
2368{ 2694{
2369 row_col_t pos;
2370
2371 if (!R->selection.op) 2695 if (!selection.op)
2372 return; 2696 return;
2373 2697
2698 row_col_t pos;
2374 pos.row = pos.col = 0; 2699 pos.row = pos.col = 0;
2375 if ((R->selection.beg.row < -(int32_t)R->TermWin.nscrolled) 2700
2376 || (R->selection.beg.row >= R->TermWin.nrow) 2701 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2377 || (R->selection.mark.row < -(int32_t)R->TermWin.nscrolled) 2702 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2378 || (R->selection.mark.row >= R->TermWin.nrow) 2703 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2379 || (R->selection.end.row < -(int32_t)R->TermWin.nscrolled)
2380 || (R->selection.end.row >= R->TermWin.nrow)
2381 || (check_more == 1 2704 || (check_more == 1
2382 && R->current_screen == R->selection.screen 2705 && current_screen == selection.screen
2383 && !ROWCOL_IS_BEFORE(R->screen.cur, R->selection.beg) 2706 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2384 && ROWCOL_IS_BEFORE(R->screen.cur, R->selection.end)) 2707 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2385 || (check_more == 2 2708 || (check_more == 2
2386 && ROWCOL_IS_BEFORE(R->selection.beg, pos) 2709 && ROWCOL_IS_BEFORE (selection.beg, pos)
2387 && ROWCOL_IS_AFTER(R->selection.end, pos)) 2710 && ROWCOL_IS_AFTER (selection.end, pos))
2388 || (check_more == 3 2711 || (check_more == 3
2389 && ROWCOL_IS_AFTER(R->selection.end, pos)) 2712 && ROWCOL_IS_AFTER (selection.end, pos)))
2390 || (check_more == 4 /* screen width change */
2391 && (R->selection.beg.row != R->selection.end.row
2392 || R->selection.end.col > R->TermWin.ncol)))
2393 CLEAR_SELECTION(R); 2713 CLEAR_ALL_SELECTION ();
2394} 2714}
2395 2715
2396/* ------------------------------------------------------------------------- */ 2716/* ------------------------------------------------------------------------- */
2397/* 2717/*
2398 * Paste a selection direct to the command fd 2718 * Paste a selection direct to the command fd
2399 */ 2719 */
2400/* INTPROTO */
2401void 2720void
2402rxvt_PasteIt (pR_ const unsigned char *data, unsigned int nitems) 2721rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW
2403{ 2722{
2404 unsigned int i, j, n;
2405 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2406
2407 /* convert normal newline chars into common keyboard Return key sequence */ 2723 /* convert normal newline chars into common keyboard Return key sequence */
2408 for (i = 0; i < nitems; i += PROP_SIZE) 2724 for (unsigned int i = 0; i < len; i++)
2409 { 2725 if (data[i] == C0_LF)
2410 n = min (nitems - i, PROP_SIZE); 2726 data[i] = C0_CR;
2411 MEMCPY (ds, data + i, n);
2412 for (j = 0; j < n; j++)
2413 if (ds[j] == '\n')
2414 ds[j] = '\r';
2415 R->tt_write (ds, (int)n);
2416 }
2417 2727
2418 free(ds); 2728 if (priv_modes & PrivMode_BracketPaste)
2419} 2729 tt_printf ("\e[200~");
2420 2730
2421/* ------------------------------------------------------------------------- */ 2731 tt_write (data, len);
2422/*
2423 * Respond to a notification that a primary selection has been sent
2424 * EXT: SelectionNotify
2425 */
2426/* EXTPROTO */
2427int
2428rxvt_selection_paste(pR_ Window win, Atom prop, Bool delete_prop)
2429{
2430 long nread = 0;
2431 unsigned long bytes_after;
2432 XTextProperty ct;
2433#ifdef MULTICHAR_SET
2434 int dummy_count;
2435 char **cl;
2436#endif
2437 2732
2438 D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, R->selection_wait)); 2733 if (priv_modes & PrivMode_BracketPaste)
2439 2734 tt_printf ("\e[201~");
2440 if (prop == None) { /* check for failed XConvertSelection */
2441#ifdef MULTICHAR_SET
2442 if ((R->selection_type & Sel_CompoundText)) {
2443 int selnum = R->selection_type & Sel_whereMask;
2444
2445 R->selection_type = 0;
2446 if (selnum != Sel_direct)
2447 rxvt_selection_request_other(aR_ XA_STRING, selnum);
2448 }
2449#endif
2450 return 0;
2451 }
2452 for (;;) {
2453 if (XGetWindowProperty(R->Xdisplay, win, prop, (long)(nread / 4),
2454 (long)(PROP_SIZE / 4), delete_prop,
2455 AnyPropertyType, &ct.encoding, &ct.format,
2456 &ct.nitems, &bytes_after,
2457 &ct.value) != Success)
2458 break;
2459 if (ct.encoding == 0) {
2460 D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!"));
2461 break;
2462 }
2463 if (ct.value == NULL) {
2464 D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!"));
2465 continue;
2466 }
2467 if (ct.nitems == 0) {
2468 D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2469 if (R->selection_wait == Sel_normal && nread == 0) {
2470 /*
2471 * pass through again trying CUT_BUFFER0 if we've come from
2472 * XConvertSelection() but nothing was presented
2473 */
2474 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2475 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, False);
2476 }
2477 nread = -1; /* discount any previous stuff */
2478 break;
2479 }
2480 nread += ct.nitems;
2481#ifdef MULTICHAR_SET
2482 if (XmbTextPropertyToTextList(R->Xdisplay, &ct, &cl,
2483 &dummy_count) == Success && cl) {
2484 rxvt_PasteIt(aR_ cl[0], STRLEN(cl[0]));
2485 XFreeStringList(cl);
2486 } else
2487#endif
2488 rxvt_PasteIt(aR_ ct.value, (unsigned int)ct.nitems);
2489 if (bytes_after == 0)
2490 break;
2491 XFree(ct.value);
2492 }
2493 if (ct.value)
2494 XFree(ct.value);
2495 if (R->selection_wait == Sel_normal)
2496 R->selection_wait = Sel_none;
2497 D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2498 return (int)nread;
2499} 2735}
2500 2736
2501/*
2502 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2503 */
2504/* EXTPROTO */
2505void 2737void
2506rxvt_selection_property(pR_ Window win, Atom prop) 2738rxvt_term::paste (char *data, unsigned int len) NOTHROW
2507{ 2739{
2508 int reget_time = 0; 2740 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2509
2510 if (prop == None)
2511 return; 2741 return;
2512 D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop));
2513 if (R->selection_wait == Sel_normal) {
2514 int a, afmt;
2515 Atom atype;
2516 unsigned long bytes_after, nitems;
2517 unsigned char *s = NULL;
2518 2742
2519 a = XGetWindowProperty(R->Xdisplay, win, prop, 0L, 1L, False, 2743 tt_paste (data, len);
2520 R->xa[XA_INCR], &atype, &afmt, &nitems,
2521 &bytes_after, &s);
2522 if (s)
2523 XFree(s);
2524 if (a != Success)
2525 return;
2526#ifndef __CYGWIN32__
2527 if (atype == R->xa[XA_INCR]) { /* start an INCR transfer */
2528 D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer"));
2529 XDeleteProperty(R->Xdisplay, win, prop);
2530 XFlush(R->Xdisplay);
2531 reget_time = 1;
2532 R->selection_wait = Sel_incr;
2533 }
2534#endif
2535 } else if (R->selection_wait == Sel_incr) {
2536 reget_time = 1;
2537 if (rxvt_selection_paste(aR_ win, prop, True) == -1) {
2538 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end"));
2539 R->selection_wait = Sel_none;
2540 R->timeout[TIMEOUT_INCR].tv_sec = 0; /* turn off timer */
2541 }
2542 }
2543 if (reget_time) { /* received more data so reget time */
2544 (void)gettimeofday(&(R->timeout[TIMEOUT_INCR]), NULL);
2545 R->timeout[TIMEOUT_INCR].tv_sec += 10; /* ten seconds wait */
2546 }
2547} 2744}
2745
2548/* ------------------------------------------------------------------------- */ 2746/* ------------------------------------------------------------------------- */
2549/* 2747/*
2550 * Request the current selection: 2748 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2551 * Order: > internal selection if available 2749 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2552 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2750 * as fallback
2553 * > CUT_BUFFER0
2554 * (+) if ownership is claimed but property is empty, rxvt_selection_paste()
2555 * will auto fallback to CUT_BUFFER0
2556 * EXT: button 2 release 2751 * EXT: button 2 release
2557 */ 2752 */
2558/* EXTPROTO */
2559void 2753void
2560rxvt_selection_request(pR_ Time tm, int x, int y) 2754rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2561{ 2755{
2562 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2756 if (!selection_req)
2563 if (x < 0 || x >= R->TermWin.width || y < 0 || y >= R->TermWin.height)
2564 return; /* outside window */
2565
2566 if (R->selection.text != NULL) { /* internal selection */
2567 D_SELECT((stderr, "rxvt_selection_request: pasting internal"));
2568 rxvt_PasteIt(aR_ R->selection.text, R->selection.len);
2569 return;
2570 } else {
2571 int i;
2572
2573 R->selection_request_time = tm;
2574 R->selection_wait = Sel_normal;
2575 for (i = Sel_Primary; i <= Sel_Clipboard; i++) {
2576#ifdef MULTICHAR_SET
2577 R->selection_type = Sel_CompoundText;
2578#else
2579 R->selection_type = 0;
2580#endif
2581 if (rxvt_selection_request_other(aR_
2582#ifdef MULTICHAR_SET
2583 R->xa[XA_COMPOUND_TEXT],
2584#else
2585 XA_STRING,
2586#endif
2587 i))
2588 return;
2589 }
2590 } 2757 {
2591 R->selection_wait = Sel_none; /* don't loop in rxvt_selection_paste() */ 2758 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2592 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); 2759 selection_req->run ();
2593 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, False);
2594}
2595
2596/* INTPROTO */
2597int
2598rxvt_selection_request_other(pR_ Atom target, int selnum)
2599{
2600 Atom sel;
2601#ifdef DEBUG_SELECT
2602 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2603#endif
2604
2605 R->selection_type |= selnum;
2606 if (selnum == Sel_Primary)
2607 sel = XA_PRIMARY;
2608 else if (selnum == Sel_Secondary)
2609 sel = XA_SECONDARY;
2610 else
2611 sel = R->xa[XA_CLIPBOARD];
2612 if (XGetSelectionOwner(R->Xdisplay, sel) != None) {
2613 D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2614 XConvertSelection(R->Xdisplay, sel, target, R->xa[XA_VT_SELECTION],
2615 R->TermWin.vt, R->selection_request_time);
2616 return 1;
2617 } 2760 }
2618 return 0;
2619} 2761}
2620 2762
2621/* ------------------------------------------------------------------------- */ 2763/* ------------------------------------------------------------------------- */
2622/* 2764/*
2623 * Clear all selected text 2765 * Clear all selected text
2624 * EXT: SelectionClear 2766 * EXT: SelectionClear
2625 */ 2767 */
2626/* EXTPROTO */
2627void 2768void
2628rxvt_selection_clear(pR) 2769rxvt_term::selection_clear (bool clipboard) NOTHROW
2629{ 2770{
2630 D_SELECT((stderr, "rxvt_selection_clear()")); 2771 if (!clipboard)
2631 2772 {
2632 R->want_refresh = 1; 2773 want_refresh = 1;
2633 if (R->selection.text)
2634 free(R->selection.text); 2774 free (selection.text);
2635 R->selection.text = NULL; 2775 selection.text = NULL;
2636 R->selection.len = 0; 2776 selection.len = 0;
2637 CLEAR_SELECTION(R); 2777 CLEAR_SELECTION ();
2778
2779 if (display->selection_owner == this)
2780 display->selection_owner = 0;
2781 }
2782 else
2783 {
2784 free (selection.clip_text);
2785 selection.clip_text = NULL;
2786 selection.clip_len = 0;
2787
2788 if (display->clipboard_owner == this)
2789 display->clipboard_owner = 0;
2790 }
2638} 2791}
2639 2792
2640/* ------------------------------------------------------------------------- */ 2793/* ------------------------------------------------------------------------- */
2641/* 2794/*
2642 * Copy a selection into the cut buffer 2795 * Copy a selection into the cut buffer
2643 * EXT: button 1 or 3 release 2796 * EXT: button 1 or 3 release
2644 */ 2797 */
2645/* EXTPROTO */
2646void 2798void
2647rxvt_selection_make(pR_ Time tm) 2799rxvt_term::selection_make (Time tm)
2648{ 2800{
2649 int i, col, end_col, row, end_row; 2801 int size;
2650 unsigned char *new_selection_text; 2802 wchar_t *new_selection_text;
2651 char *str; 2803 text_t *t;
2652 text_t *t;
2653#ifdef ACS_ASCII
2654 rend_t *re;
2655#endif
2656 2804
2657 D_SELECT((stderr, "rxvt_selection_make(): R->selection.op=%d, R->selection.clicks=%d", R->selection.op, R->selection.clicks));
2658 switch (R->selection.op) { 2805 switch (selection.op)
2806 {
2659 case SELECTION_CONT: 2807 case SELECTION_CONT:
2660 break; 2808 break;
2661 case SELECTION_INIT: 2809 case SELECTION_INIT:
2662 CLEAR_SELECTION(R); 2810 CLEAR_SELECTION ();
2663 /* FALLTHROUGH */ 2811 /* FALLTHROUGH */
2664 case SELECTION_BEGIN: 2812 case SELECTION_BEGIN:
2665 R->selection.op = SELECTION_DONE; 2813 selection.op = SELECTION_DONE;
2666 /* FALLTHROUGH */ 2814 /* FALLTHROUGH */
2667 default: 2815 default:
2668 return; 2816 return;
2669 } 2817 }
2818
2670 R->selection.op = SELECTION_DONE; 2819 selection.op = SELECTION_DONE;
2671 2820
2672 if (R->selection.clicks == 4) 2821 if (selection.clicks == 4)
2673 return; /* nothing selected, go away */ 2822 return; /* nothing selected, go away */
2674 2823
2824 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2825 return;
2826
2675 i = (R->selection.end.row - R->selection.beg.row + 1) * (R->TermWin.ncol + 1) + 1; 2827 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2676 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2828 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2677 2829
2678 new_selection_text = (unsigned char *)str; 2830 int ofs = 0;
2831 int extra = 0;
2679 2832
2680 col = R->selection.beg.col; 2833 int col = selection.beg.col;
2681 MAX_IT(col, 0); 2834 int row = selection.beg.row;
2682 row = R->selection.beg.row + R->TermWin.saveLines;
2683 end_row = R->selection.end.row + R->TermWin.saveLines;
2684 2835
2836 int end_col;
2837
2685 for (; row <= end_row; row++, col = 0) 2838 for (; row <= selection.end.row; row++, col = 0)
2839 {
2840#if !ENABLE_MINIMAL
2841 if (selection.rect)
2686 { 2842 {
2687 t = &(R->screen.text[row][col]); 2843 col = selection.beg.col;
2688
2689 end_col = R->screen.tlen[row];
2690
2691 if (end_col == -1)
2692 end_col = R->TermWin.ncol; 2844 end_col = selection.end.col;
2845 }
2846 else
2847#endif
2848 end_col = ROW(row).l;
2693 2849
2850 col = max (col, 0);
2851
2694 if (row == end_row) 2852 if (row == selection.end.row)
2695 MIN_IT (end_col, R->selection.end.col); 2853 min_it (end_col, selection.end.col);
2696 2854
2855 t = ROW(row).t + col;
2856
2697 for (; col < end_col; col++) 2857 for (; col < end_col; col++)
2858 {
2698 if (*t == NOCHAR) 2859 if (*t == NOCHAR)
2699 t++; 2860 t++;
2861#if ENABLE_COMBINING
2862 else if (IS_COMPOSE (*t))
2863 {
2864 int len = rxvt_composite.expand (*t, 0);
2865
2866 extra -= (len - 1);
2867
2868 if (extra < 0)
2869 {
2870 extra += size;
2871 size += size;
2872 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2873 }
2874
2875 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2876 }
2877#endif
2700 else 2878 else
2701 { 2879 new_selection_text[ofs++] = *t++;
2702 int len = wctomb (str, *t++);
2703 if (len > 0)
2704 str += len;
2705 }
2706
2707 if (R->screen.tlen[row] != -1 && row != end_row)
2708 *str++ = '\n';
2709 } 2880 }
2710 2881
2711#ifndef NO_OLD_SELECTION 2882#if !ENABLE_MINIMAL
2712 if (R->selection_style == OLD_SELECT) 2883 if (selection.rect)
2713 if (end_col == R->TermWin.ncol)
2714 *str++ = '\n';
2715#endif
2716#ifndef NO_NEW_SELECTION
2717 if (R->selection_style != OLD_SELECT)
2718 if (end_col != R->selection.end.col)
2719 *str++ = '\n';
2720#endif
2721 *str = '\0';
2722
2723 i = str - (char *)new_selection_text;
2724 if (i == 0)
2725 { 2884 {
2885 while (ofs
2886 && new_selection_text[ofs - 1] != C0_LF
2887 && unicode::is_space (new_selection_text[ofs - 1]))
2888 --ofs;
2889
2890 new_selection_text[ofs++] = C0_LF;
2891 }
2892 else
2893#endif
2894 if (!ROW(row).is_longer ()
2895 && (row != selection.end.row || end_col != selection.end.col)
2896 && (row != selection.beg.row || selection.beg.col < ncol))
2897 new_selection_text[ofs++] = C0_LF;
2898 }
2899
2900 new_selection_text[ofs] = 0;
2901
2902 if (ofs == 0)
2903 {
2726 free (new_selection_text); 2904 free (new_selection_text);
2727 return; 2905 return;
2728 } 2906 }
2729 2907
2730 // due to MB_MAX_CUR, selection wastage is usually high
2731 if (str - (char *)new_selection_text > 1024)
2732 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2733
2734 R->selection.len = i;
2735 if (R->selection.text)
2736 free (R->selection.text); 2908 free (selection.text);
2737 2909
2738 R->selection.text = new_selection_text; 2910 // we usually allocate much more than necessary, so realloc it smaller again
2911 selection.len = ofs;
2912 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2739 2913
2740 XSetSelectionOwner(R->Xdisplay, XA_PRIMARY, R->TermWin.vt, tm); 2914 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2741 if (XGetSelectionOwner(R->Xdisplay, XA_PRIMARY) != R->TermWin.vt) 2915 return;
2742 rxvt_print_error("can't get primary selection"); 2916
2743 XChangeProperty(R->Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2917 selection_grab (tm);
2744 PropModeReplace, R->selection.text, (int)R->selection.len); 2918}
2919
2920bool
2921rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW
2922{
2923 Atom sel;
2924
2925 if (!clipboard)
2926 {
2745 R->selection_time = tm; 2927 selection_time = tm;
2746 D_SELECT((stderr, "rxvt_selection_make(): R->selection.len=%d", R->selection.len)); 2928 sel = XA_PRIMARY;
2929 }
2930 else
2931 {
2932 clipboard_time = tm;
2933 sel = xa[XA_CLIPBOARD];
2934 }
2935
2936 XSetSelectionOwner (dpy, sel, vt, tm);
2937 if (XGetSelectionOwner (dpy, sel) == vt)
2938 {
2939 display->set_selection_owner (this, clipboard);
2940 return true;
2941 }
2942 else
2943 {
2944 selection_clear (clipboard);
2945 return false;
2946 }
2947
2948#if 0
2949 XTextProperty ct;
2950
2951 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2952 {
2953 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2954 XFree (ct.value);
2955 }
2956#endif
2747} 2957}
2748 2958
2749/* ------------------------------------------------------------------------- */ 2959/* ------------------------------------------------------------------------- */
2750/* 2960/*
2751 * Mark or select text based upon number of clicks: 1, 2, or 3 2961 * Mark or select text based upon number of clicks: 1, 2, or 3
2752 * EXT: button 1 press 2962 * EXT: button 1 press
2753 */ 2963 */
2754/* EXTPROTO */
2755void 2964void
2756rxvt_selection_click(pR_ int clicks, int x, int y) 2965rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
2757{ 2966{
2758 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2759
2760 clicks = ((clicks - 1) % 3) + 1; 2967 clicks = ((clicks - 1) % 3) + 1;
2761 R->selection.clicks = clicks; /* save clicks so extend will work */ 2968 selection.clicks = clicks; /* save clicks so extend will work */
2762 2969
2970 if (clicks == 2 && !selection.rect
2971 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2972 {
2973 MEvent.clicks = 1; // what a mess
2974 selection.screen = current_screen;
2975 selection.op = SELECTION_CONT;
2976 return;
2977 }
2978
2763 rxvt_selection_start_colrow(aR_ Pixel2Col(x), Pixel2Row(y)); 2979 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2980
2764 if (clicks == 2 || clicks == 3) 2981 if (clicks == 2 || clicks == 3)
2765 rxvt_selection_extend_colrow(aR_ R->selection.mark.col, 2982 selection_extend_colrow (selection.mark.col,
2766 R->selection.mark.row 2983 selection.mark.row - view_start,
2767 + R->TermWin.view_start,
2768 0, /* button 3 */ 2984 0, /* button 3 */
2769 1, /* button press */ 2985 1, /* button press */
2770 0); /* click change */ 2986 0); /* click change */
2771} 2987}
2772 2988
2773/* ------------------------------------------------------------------------- */ 2989/* ------------------------------------------------------------------------- */
2774/* 2990/*
2775 * Mark a selection at the specified col/row 2991 * Mark a selection at the specified col/row
2776 */ 2992 */
2777/* INTPROTO */
2778void 2993void
2779rxvt_selection_start_colrow(pR_ int col, int row) 2994rxvt_term::selection_start_colrow (int col, int row) NOTHROW
2780{ 2995{
2781 R->want_refresh = 1; 2996 want_refresh = 1;
2997
2998 selection.mark.row = row + view_start;
2782 R->selection.mark.col = col; 2999 selection.mark.col = col;
2783 R->selection.mark.row = row - R->TermWin.view_start; 3000
2784 MAX_IT(R->selection.mark.row, -(int32_t)R->TermWin.nscrolled); 3001 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2785 MIN_IT(R->selection.mark.row, (int32_t)R->TermWin.nrow - 1); 3002 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3003
3004 while (selection.mark.col > 0
3005 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2786 MAX_IT(R->selection.mark.col, 0); 3006 --selection.mark.col;
2787 MIN_IT(R->selection.mark.col, (int32_t)R->TermWin.ncol - 1);
2788 3007
2789 if (R->selection.op) { /* clear the old selection */ 3008 if (selection.op)
3009 {
3010 /* clear the old selection */
2790 R->selection.beg.row = R->selection.end.row = R->selection.mark.row; 3011 selection.beg.row = selection.end.row = selection.mark.row;
2791 R->selection.beg.col = R->selection.end.col = R->selection.mark.col; 3012 selection.beg.col = selection.end.col = selection.mark.col;
2792 } 3013 }
3014
2793 R->selection.op = SELECTION_INIT; 3015 selection.op = SELECTION_INIT;
2794 R->selection.screen = R->current_screen; 3016 selection.screen = current_screen;
2795} 3017}
2796 3018
2797/* ------------------------------------------------------------------------- */ 3019/* ------------------------------------------------------------------------- */
2798/* 3020/*
2799 * Word select: select text for 2 clicks 3021 * Word select: select text for 2 clicks
2800 * We now only find out the boundary in one direction 3022 * We now only find out the boundary in one direction
2801 */ 3023 */
2802 3024
2803/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3025/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2804#define DELIMIT_TEXT(x) \ 3026#define DELIMIT_TEXT(x) \
2805 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(R->rs[Rs_cutchars], (x)) != NULL)) 3027 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2806#ifdef MULTICHAR_SET
2807# define DELIMIT_REND(x) (((x) & RS_multiMask) ? 1 : 0)
2808#else
2809# define DELIMIT_REND(x) 1 3028#define DELIMIT_REND(x) 1
2810#endif
2811 3029
2812/* INTPROTO */
2813void 3030void
2814rxvt_selection_delimit_word(pR_ enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3031rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
2815{ 3032{
2816 int col, row, dirnadd, tcol, trow, w1, w2; 3033 int col, row, dirnadd, tcol, trow, w1, w2;
2817 row_col_t bound; 3034 row_col_t bound;
2818 text_t *stp; 3035 text_t *stp;
2819 rend_t *srp; 3036 rend_t *srp;
2820 3037
2821 if (dirn == UP) { 3038 if (dirn == UP)
2822 bound.row = R->TermWin.saveLines - R->TermWin.nscrolled - 1; 3039 {
3040 bound.row = top_row - 1;
2823 bound.col = 0; 3041 bound.col = 0;
2824 dirnadd = -1; 3042 dirnadd = -1;
2825 } else { 3043 }
2826 bound.row = R->TermWin.saveLines + R->TermWin.nrow; 3044 else
3045 {
3046 bound.row = nrow;
2827 bound.col = R->TermWin.ncol - 1; 3047 bound.col = ncol - 1;
2828 dirnadd = 1; 3048 dirnadd = 1;
2829 } 3049 }
2830 row = mark->row + R->TermWin.saveLines; 3050
3051 row = mark->row;
2831 col = mark->col; 3052 col = max (mark->col, 0);
2832 MAX_IT(col, 0); 3053
2833/* find the edge of a word */ 3054 /* find the edge of a word */
2834 stp = &(R->screen.text[row][col]); 3055 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2835 w1 = DELIMIT_TEXT(*stp); 3056 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2836 3057
2837 if (R->selection_style != NEW_SELECT) { 3058 for (;;)
2838 if (w1 == 1) { 3059 {
3060 for (; col != bound.col; col += dirnadd)
3061 {
2839 stp += dirnadd; 3062 stp += dirnadd;
2840 if (DELIMIT_TEXT(*stp) == 1)
2841 goto Old_Word_Selection_You_Die;
2842 col += dirnadd;
2843 }
2844 w1 = 0;
2845 }
2846 srp = (&R->screen.rend[row][col]);
2847 w2 = DELIMIT_REND(*srp);
2848
2849 for (;;) {
2850 for (; col != bound.col; col += dirnadd) {
2851 stp += dirnadd; 3063 srp += dirnadd;
3064
3065 if (*stp == NOCHAR)
3066 continue;
3067
2852 if (DELIMIT_TEXT(*stp) != w1) 3068 if (DELIMIT_TEXT (*stp) != w1)
3069 break;
3070 if (DELIMIT_REND (*srp) != w2)
3071 break;
3072 }
3073
3074 if ((col == bound.col) && (row != bound.row))
3075 {
3076 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3077 {
3078 trow = row + dirnadd;
3079 tcol = dirn == UP ? ncol - 1 : 0;
3080
3081 if (!ROW(trow).t)
2853 break; 3082 break;
2854 srp += dirnadd; 3083
2855 if (DELIMIT_REND(*srp) != w2) 3084 stp = ROW(trow).t + tcol;
3085 srp = ROW(trow).r + tcol;
3086
3087 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
2856 break; 3088 break;
2857 } 3089
2858 if ((col == bound.col) && (row != bound.row)) {
2859 if (R->screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) {
2860 trow = row + dirnadd;
2861 tcol = dirn == UP ? R->TermWin.ncol - 1 : 0;
2862 if (R->screen.text[trow] == NULL)
2863 break;
2864 stp = &(R->screen.text[trow][tcol]);
2865 srp = &(R->screen.rend[trow][tcol]);
2866 if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2)
2867 break;
2868 row = trow; 3090 row = trow;
2869 col = tcol; 3091 col = tcol;
2870 continue; 3092 continue;
2871 } 3093 }
2872 } 3094 }
2873 break; 3095 break;
2874 } 3096 }
2875 Old_Word_Selection_You_Die:
2876 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));
2877 3097
2878 if (dirn == DN) 3098 if (dirn == DN)
2879 col++; /* put us on one past the end */ 3099 col++; /* put us on one past the end */
2880 3100
2881/* Poke the values back in */ 3101 /* Poke the values back in */
2882 ret->row = row - R->TermWin.saveLines; 3102 ret->row = row;
2883 ret->col = col; 3103 ret->col = col;
2884} 3104}
2885 3105
2886/* ------------------------------------------------------------------------- */ 3106/* ------------------------------------------------------------------------- */
2887/* 3107/*
2888 * Extend the selection to the specified x/y pixel location 3108 * Extend the selection to the specified x/y pixel location
2889 * EXT: button 3 press; button 1 or 3 drag 3109 * EXT: button 3 press; button 1 or 3 drag
2890 * flag == 0 ==> button 1 3110 * flag == 0 ==> button 1
2891 * flag == 1 ==> button 3 press 3111 * flag == 1 ==> button 3 press
2892 * flag == 2 ==> button 3 motion 3112 * flag == 2 ==> button 3 motion
2893 */ 3113 */
2894/* EXTPROTO */
2895void 3114void
2896rxvt_selection_extend(pR_ int x, int y, int flag) 3115rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
2897{ 3116{
2898 int col, row; 3117 int col = clamp (Pixel2Col (x), 0, ncol);
3118 int row = clamp (Pixel2Row (y), 0, nrow - 1);
2899 3119
2900 col = Pixel2Col(x); 3120 /*
2901 row = Pixel2Row(y);
2902 MAX_IT(row, 0);
2903 MIN_IT(row, (int)R->TermWin.nrow - 1);
2904 MAX_IT(col, 0);
2905 MIN_IT(col, (int)R->TermWin.ncol);
2906#ifndef NO_NEW_SELECTION
2907/*
2908 * If we're selecting characters (single click) then we must check first 3121 * If we're selecting characters (single click) then we must check first
2909 * if we are at the same place as the original mark. If we are then 3122 * if we are at the same place as the original mark. If we are then
2910 * select nothing. Otherwise, if we're to the right of the mark, you have to 3123 * select nothing. Otherwise, if we're to the right of the mark, you have to
2911 * be _past_ a character for it to be selected. 3124 * be _past_ a character for it to be selected.
2912 */ 3125 */
2913 if (R->selection_style != OLD_SELECT) {
2914 if (((R->selection.clicks % 3) == 1) && !flag 3126 if (((selection.clicks % 3) == 1) && !flag
2915 && (col == R->selection.mark.col 3127 && (col == selection.mark.col
2916 && (row == R->selection.mark.row + R->TermWin.view_start))) { 3128 && (row == selection.mark.row - view_start)))
3129 {
2917 /* select nothing */ 3130 /* select nothing */
2918 R->selection.beg.row = R->selection.end.row = 0; 3131 selection.beg.row = selection.end.row = 0;
2919 R->selection.beg.col = R->selection.end.col = 0; 3132 selection.beg.col = selection.end.col = 0;
2920 R->selection.clicks = 4; 3133 selection.clicks = 4;
2921 R->want_refresh = 1; 3134 want_refresh = 1;
2922 D_SELECT((stderr, "rxvt_selection_extend() R->selection.clicks = 4"));
2923 return; 3135 return;
2924 }
2925 } 3136 }
2926#endif 3137
2927 if (R->selection.clicks == 4) 3138 if (selection.clicks == 4)
2928 R->selection.clicks = 1; 3139 selection.clicks = 1;
3140
2929 rxvt_selection_extend_colrow(aR_ col, row, !!flag, /* ? button 3 */ 3141 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
2930 flag == 1 ? 1 : 0, /* ? button press */ 3142 flag == 1 ? 1 : 0, /* ? button press */
2931 0); /* no click change */ 3143 0); /* no click change */
2932} 3144}
2933 3145
2934/* ------------------------------------------------------------------------- */ 3146/* ------------------------------------------------------------------------- */
2935/* 3147/*
2936 * Extend the selection to the specified col/row 3148 * Extend the selection to the specified col/row
2937 */ 3149 */
2938/* INTPROTO */
2939void 3150void
2940rxvt_selection_extend_colrow(pR_ int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3151rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
2941{ 3152{
2942 int16_t ncol = R->TermWin.ncol;
2943 int end_col;
2944 row_col_t pos; 3153 row_col_t pos;
2945 enum { 3154 enum {
2946 LEFT, RIGHT 3155 LEFT, RIGHT
2947 } closeto = RIGHT; 3156 } closeto = RIGHT;
2948 3157
2949 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));
2950 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));
2951
2952 R->want_refresh = 1; 3158 want_refresh = 1;
3159
2953 switch (R->selection.op) { 3160 switch (selection.op)
3161 {
2954 case SELECTION_INIT: 3162 case SELECTION_INIT:
2955 CLEAR_SELECTION(R); 3163 CLEAR_SELECTION ();
2956 R->selection.op = SELECTION_BEGIN; 3164 selection.op = SELECTION_BEGIN;
2957 /* FALLTHROUGH */ 3165 /* FALLTHROUGH */
2958 case SELECTION_BEGIN: 3166 case SELECTION_BEGIN:
2959 if (row != R->selection.mark.row || col != R->selection.mark.col 3167 if (row != selection.mark.row || col != selection.mark.col
2960 || (!button3 && buttonpress)) 3168 || (!button3 && buttonpress))
2961 R->selection.op = SELECTION_CONT; 3169 selection.op = SELECTION_CONT;
2962 break; 3170 break;
2963 case SELECTION_DONE: 3171 case SELECTION_DONE:
2964 R->selection.op = SELECTION_CONT; 3172 selection.op = SELECTION_CONT;
2965 /* FALLTHROUGH */ 3173 /* FALLTHROUGH */
2966 case SELECTION_CONT: 3174 case SELECTION_CONT:
2967 break; 3175 break;
2968 case SELECTION_CLEAR: 3176 case SELECTION_CLEAR:
2969 rxvt_selection_start_colrow(aR_ col, row); 3177 selection_start_colrow (col, row);
2970 /* FALLTHROUGH */ 3178 /* FALLTHROUGH */
2971 default: 3179 default:
2972 return; 3180 return;
2973 } 3181 }
3182
2974 if (R->selection.beg.col == R->selection.end.col 3183 if (selection.beg.col == selection.end.col
2975 && R->selection.beg.col != R->selection.mark.col 3184 && selection.beg.col != selection.mark.col
2976 && R->selection.beg.row == R->selection.end.row 3185 && selection.beg.row == selection.end.row
2977 && R->selection.beg.row != R->selection.mark.row) { 3186 && selection.beg.row != selection.mark.row)
3187 {
2978 R->selection.beg.col = R->selection.end.col = R->selection.mark.col; 3188 selection.beg.col = selection.end.col = selection.mark.col;
2979 R->selection.beg.row = R->selection.end.row = R->selection.mark.row; 3189 selection.beg.row = selection.end.row = selection.mark.row;
2980 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));
2981 } 3190 }
2982 3191
2983 pos.col = col; 3192 pos.col = col;
2984 pos.row = row; 3193 pos.row = view_start + row;
2985 3194
2986 pos.row -= R->TermWin.view_start; /* adjust for scroll */ 3195 /*
2987 3196 * This is mainly xterm style selection with a couple of differences, mainly
2988#ifndef NO_OLD_SELECTION 3197 * in the way button3 drag extension works.
2989/* 3198 * We're either doing: button1 drag; button3 press; or button3 drag
2990 * This mimics some of the selection behaviour of version 2.20 and before. 3199 * a) button1 drag : select around a midpoint/word/line - that point/word/line
2991 * There are no ``selection modes'', button3 is always character extension. 3200 * is always at the left/right edge of the selection.
2992 * Note: button3 drag is always available, c.f. v2.20 3201 * b) button3 press: extend/contract character/word/line at whichever edge of
2993 * Selection always terminates (left or right as appropriate) at the mark. 3202 * the selection we are closest to.
3203 * c) button3 drag : extend/contract character/word/line - we select around
3204 * a point/word/line which is either the start or end of the selection
3205 * and it was decided by whichever point/word/line was `fixed' at the
3206 * time of the most recent button3 press
2994 */ 3207 */
2995 if (R->selection_style == OLD_SELECT) { 3208 if (button3 && buttonpress)
2996 if (R->selection.clicks == 1 || button3) { 3209 {
2997 if (R->hate_those_clicks) { 3210 /* button3 press */
2998 R->hate_those_clicks = 0; 3211 /*
2999 if (R->selection.clicks == 1) { 3212 * first determine which edge of the selection we are closest to
3000 R->selection.beg.row = R->selection.mark.row; 3213 */
3001 R->selection.beg.col = R->selection.mark.col; 3214 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3002 } else { 3215 || (!ROWCOL_IS_AFTER (pos, selection.end)
3216 && (((pos.col - selection.beg.col)
3217 + ((pos.row - selection.beg.row) * ncol))
3218 < ((selection.end.col - pos.col)
3219 + ((selection.end.row - pos.row) * ncol)))))
3220 closeto = LEFT;
3221
3222 if (closeto == LEFT)
3223 {
3224 selection.beg.row = pos.row;
3225 selection.beg.col = pos.col;
3226 selection.mark.row = selection.end.row;
3227 selection.mark.col = selection.end.col - (selection.clicks == 2);
3228 }
3229 else
3230 {
3231 selection.end.row = pos.row;
3232 selection.end.col = pos.col;
3003 R->selection.mark.row = R->selection.beg.row; 3233 selection.mark.row = selection.beg.row;
3004 R->selection.mark.col = R->selection.beg.col; 3234 selection.mark.col = selection.beg.col;
3235 }
3236 }
3237 else
3238 {
3239 /* button1 drag or button3 drag */
3240 if (ROWCOL_IS_AFTER (selection.mark, pos))
3241 {
3242 if (selection.mark.row == selection.end.row
3243 && selection.mark.col == selection.end.col
3244 && clickchange
3245 && selection.clicks == 2)
3246 selection.mark.col--;
3247
3248 selection.beg.row = pos.row;
3249 selection.beg.col = pos.col;
3250 selection.end.row = selection.mark.row;
3251 selection.end.col = selection.mark.col + (selection.clicks == 2);
3252 }
3253 else
3254 {
3255 selection.beg.row = selection.mark.row;
3256 selection.beg.col = selection.mark.col;
3257 selection.end.row = pos.row;
3258 selection.end.col = pos.col;
3259 }
3260 }
3261
3262 if (selection.clicks == 1)
3263 {
3264 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3265 && !ROW(selection.beg.row).is_longer ()
3266#if !ENABLE_MINIMAL
3267 && !selection.rect
3268#endif
3269 )
3270 selection.beg.col = ncol;
3271
3272 if (
3273 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3274 && !ROW(selection.end.row).is_longer ()
3275#if !ENABLE_MINIMAL
3276 && !selection.rect
3277#endif
3278 )
3279 selection.end.col = ncol;
3280 }
3281 else if (selection.clicks == 2)
3282 {
3283 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3284 selection.end.col--;
3285
3286 selection_delimit_word (UP, &selection.beg, &selection.beg);
3287 selection_delimit_word (DN, &selection.end, &selection.end);
3288 }
3289 else if (selection.clicks == 3)
3290 {
3291#if ENABLE_FRILLS
3292 if (option (Opt_tripleclickwords))
3293 {
3294 selection_delimit_word (UP, &selection.beg, &selection.beg);
3295
3296 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3297 {
3298 if (!ROW(end_row).is_longer ())
3299 {
3300 selection.end.row = end_row;
3301 selection.end.col = ROW(end_row).l;
3302# if !ENABLE_MINIMAL
3303 selection_remove_trailing_spaces ();
3304# endif
3305 break;
3005 } 3306 }
3006 } 3307 }
3007 if (ROWCOL_IS_BEFORE(pos, R->selection.mark)) {
3008 R->selection.end.row = R->selection.mark.row;
3009 R->selection.end.col = R->selection.mark.col + 1;
3010 R->selection.beg.row = pos.row;
3011 R->selection.beg.col = pos.col;
3012 } else {
3013 R->selection.beg.row = R->selection.mark.row;
3014 R->selection.beg.col = R->selection.mark.col;
3015 R->selection.end.row = pos.row;
3016 R->selection.end.col = pos.col + 1;
3017 } 3308 }
3018 } else if (R->selection.clicks == 2) { 3309 else
3019 rxvt_selection_delimit_word(aR_ UP, &(R->selection.mark), 3310#endif
3020 &(R->selection.beg)); 3311 {
3021 rxvt_selection_delimit_word(aR_ DN, &(R->selection.mark), 3312 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3022 &(R->selection.end)); 3313 selection.mark.col++;
3023 R->hate_those_clicks = 1; 3314
3024 } else if (R->selection.clicks == 3) {
3025 R->selection.beg.row = R->selection.end.row = R->selection.mark.row;
3026 R->selection.beg.col = 0; 3315 selection.beg.col = 0;
3027 R->selection.end.col = ncol; 3316 selection.end.col = ncol;
3028 R->hate_those_clicks = 1; 3317
3029 } 3318 // select a complete logical line
3030 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)); 3319 while (selection.beg.row > -saveLines
3031 return; 3320 && ROW(selection.beg.row - 1).is_longer ())
3032 } 3321 selection.beg.row--;
3033#endif /* ! NO_OLD_SELECTION */ 3322
3034#ifndef NO_NEW_SELECTION 3323 while (selection.end.row < nrow
3035/* selection_style must not be OLD_SELECT to get here */ 3324 && ROW(selection.end.row).is_longer ())
3036/* 3325 selection.end.row++;
3037 * This is mainly xterm style selection with a couple of differences, mainly
3038 * in the way button3 drag extension works.
3039 * We're either doing: button1 drag; button3 press; or button3 drag
3040 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3041 * is always at the left/right edge of the R->selection.
3042 * b) button3 press: extend/contract character/word/line at whichever edge of
3043 * the selection we are closest to.
3044 * c) button3 drag : extend/contract character/word/line - we select around
3045 * a point/word/line which is either the start or end of the selection
3046 * and it was decided by whichever point/word/line was `fixed' at the
3047 * time of the most recent button3 press
3048 */
3049 if (button3 && buttonpress) { /* button3 press */
3050 /* 3326 }
3051 * first determine which edge of the selection we are closest to 3327 }
3052 */ 3328
3053 if (ROWCOL_IS_BEFORE(pos, R->selection.beg) 3329 if (button3 && buttonpress)
3054 || (!ROWCOL_IS_AFTER(pos, R->selection.end) 3330 {
3055 && (((pos.col - R->selection.beg.col) 3331 /* mark may need to be changed */
3056 + ((pos.row - R->selection.beg.row) * ncol))
3057 < ((R->selection.end.col - pos.col)
3058 + ((R->selection.end.row - pos.row) * ncol)))))
3059 closeto = LEFT;
3060 if (closeto == LEFT) { 3332 if (closeto == LEFT)
3061 R->selection.beg.row = pos.row; 3333 {
3062 R->selection.beg.col = pos.col;
3063 R->selection.mark.row = R->selection.end.row; 3334 selection.mark.row = selection.end.row;
3064 R->selection.mark.col = R->selection.end.col 3335 selection.mark.col = selection.end.col - (selection.clicks == 2);
3065 - (R->selection.clicks == 2); 3336 }
3066 } else { 3337 else
3067 R->selection.end.row = pos.row; 3338 {
3068 R->selection.end.col = pos.col;
3069 R->selection.mark.row = R->selection.beg.row; 3339 selection.mark.row = selection.beg.row;
3070 R->selection.mark.col = R->selection.beg.col; 3340 selection.mark.col = selection.beg.col;
3071 }
3072 } else { /* button1 drag or button3 drag */
3073 if (ROWCOL_IS_AFTER(R->selection.mark, pos)) {
3074 if ((R->selection.mark.row == R->selection.end.row)
3075 && (R->selection.mark.col == R->selection.end.col)
3076 && clickchange && R->selection.clicks == 2)
3077 R->selection.mark.col--;
3078 R->selection.beg.row = pos.row;
3079 R->selection.beg.col = pos.col;
3080 R->selection.end.row = R->selection.mark.row;
3081 R->selection.end.col = R->selection.mark.col
3082 + (R->selection.clicks == 2);
3083 } else {
3084 R->selection.beg.row = R->selection.mark.row;
3085 R->selection.beg.col = R->selection.mark.col;
3086 R->selection.end.row = pos.row;
3087 R->selection.end.col = pos.col;
3088 }
3089 }
3090
3091 if (R->selection.clicks == 1) {
3092 end_col = R->screen.tlen[R->selection.beg.row + R->TermWin.saveLines];
3093 if (end_col != -1 && R->selection.beg.col > end_col) {
3094#if 1
3095 R->selection.beg.col = ncol;
3096#else
3097 if (R->selection.beg.row != R->selection.end.row)
3098 R->selection.beg.col = ncol;
3099 else
3100 R->selection.beg.col = R->selection.mark.col;
3101#endif
3102 }
3103 end_col = R->screen.tlen[R->selection.end.row + R->TermWin.saveLines];
3104 if (end_col != -1 && R->selection.end.col > end_col)
3105 R->selection.end.col = ncol;
3106
3107 } else if (R->selection.clicks == 2) {
3108 if (ROWCOL_IS_AFTER(R->selection.end, R->selection.beg))
3109 R->selection.end.col--;
3110 rxvt_selection_delimit_word(aR_ UP, &(R->selection.beg),
3111 &(R->selection.beg));
3112 rxvt_selection_delimit_word(aR_ DN, &(R->selection.end),
3113 &(R->selection.end));
3114 } else if (R->selection.clicks == 3) {
3115#ifndef NO_FRILLS
3116 if ((R->Options & Opt_tripleclickwords)) {
3117 int end_row;
3118
3119 rxvt_selection_delimit_word(aR_ UP, &(R->selection.beg),
3120 &(R->selection.beg));
3121 end_row = R->screen.tlen[R->selection.mark.row
3122 + R->TermWin.saveLines];
3123 for (end_row = R->selection.mark.row; end_row < R->TermWin.nrow;
3124 end_row++) {
3125 end_col = R->screen.tlen[end_row + R->TermWin.saveLines];
3126 if (end_col != -1) {
3127 R->selection.end.row = end_row;
3128 R->selection.end.col = end_col;
3129 rxvt_selection_remove_trailing_spaces(aR);
3130 break;
3131 }
3132 }
3133 } else
3134#endif
3135 { 3341 }
3136 if (ROWCOL_IS_AFTER(R->selection.mark, R->selection.beg))
3137 R->selection.mark.col++;
3138 R->selection.beg.col = 0;
3139 R->selection.end.col = ncol;
3140 }
3141 } 3342 }
3142 if (button3 && buttonpress) { /* mark may need to be changed */
3143 if (closeto == LEFT) {
3144 R->selection.mark.row = R->selection.end.row;
3145 R->selection.mark.col = R->selection.end.col
3146 - (R->selection.clicks == 2);
3147 } else {
3148 R->selection.mark.row = R->selection.beg.row;
3149 R->selection.mark.col = R->selection.beg.col;
3150 }
3151 }
3152 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));
3153#endif /* ! NO_NEW_SELECTION */
3154}
3155 3343
3156#ifndef NO_FRILLS 3344#if !ENABLE_MINIMAL
3157/* INTPROTO */ 3345 if (selection.rect && selection.beg.col > selection.end.col)
3346 ::swap (selection.beg.col, selection.end.col);
3347#endif
3348}
3349
3350#if !ENABLE_MINIMAL
3158void 3351void
3159rxvt_selection_remove_trailing_spaces(pR) 3352rxvt_term::selection_remove_trailing_spaces () NOTHROW
3160{ 3353{
3161 int32_t end_col, end_row; 3354 int32_t end_col, end_row;
3162 text_t *stp; 3355 text_t *stp;
3163 3356
3164 end_col = R->selection.end.col; 3357 end_col = selection.end.col;
3165 end_row = R->selection.end.row; 3358 end_row = selection.end.row;
3359
3166 for ( ; end_row >= R->selection.beg.row; ) { 3360 for (; end_row >= selection.beg.row; )
3167 stp = R->screen.text[end_row + R->TermWin.saveLines]; 3361 {
3362 stp = ROW(end_row).t;
3363
3168 while (--end_col >= 0) { 3364 while (--end_col >= 0)
3169 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3170 break;
3171 } 3365 {
3172 if (end_col >= 0 3366 if (stp[end_col] != NOCHAR
3173 || R->screen.tlen[end_row - 1 + R->TermWin.saveLines] != -1) { 3367 && !unicode::is_space (stp[end_col]))
3174 R->selection.end.col = end_col + 1;
3175 R->selection.end.row = end_row;
3176 break; 3368 break;
3177 } 3369 }
3370
3371 if (end_col >= 0
3372 || !ROW(end_row - 1).is_longer ())
3373 {
3374 selection.end.col = end_col + 1;
3375 selection.end.row = end_row;
3376 break;
3377 }
3378
3178 end_row--; 3379 end_row--;
3179 end_col = R->TermWin.ncol; 3380 end_col = ncol;
3180 } 3381 }
3382
3181 if (R->selection.mark.row > R->selection.end.row) { 3383 if (selection.mark.row > selection.end.row)
3384 {
3182 R->selection.mark.row = R->selection.end.row; 3385 selection.mark.row = selection.end.row;
3183 R->selection.mark.col = R->selection.end.col; 3386 selection.mark.col = selection.end.col;
3387 }
3184 } else if (R->selection.mark.row == R->selection.end.row 3388 else if (selection.mark.row == selection.end.row
3185 && R->selection.mark.col > R->selection.end.col) 3389 && selection.mark.col > selection.end.col)
3186 R->selection.mark.col = R->selection.end.col; 3390 selection.mark.col = selection.end.col;
3187} 3391}
3188#endif 3392#endif
3189 3393
3190/* ------------------------------------------------------------------------- */ 3394/* ------------------------------------------------------------------------- */
3191/* 3395/*
3192 * Double click on button 3 when already selected 3396 * Double click on button 3 when already selected
3193 * EXT: button 3 double click 3397 * EXT: button 3 double click
3194 */ 3398 */
3195/* EXTPROTO */
3196void 3399void
3197rxvt_selection_rotate(pR_ int x, int y) 3400rxvt_term::selection_rotate (int x, int y) NOTHROW
3198{ 3401{
3199 R->selection.clicks = R->selection.clicks % 3 + 1; 3402 selection.clicks = selection.clicks % 3 + 1;
3200 rxvt_selection_extend_colrow(aR_ Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3403 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3201} 3404}
3202
3203/* ------------------------------------------------------------------------- */
3204/*
3205 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3206 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3207 * the X11 protocol.
3208 */
3209typedef CARD32 Atom32;
3210 3405
3211/* ------------------------------------------------------------------------- */ 3406/* ------------------------------------------------------------------------- */
3212/* 3407/*
3213 * Respond to a request for our current selection 3408 * Respond to a request for our current selection
3214 * EXT: SelectionRequest 3409 * EXT: SelectionRequest
3215 */ 3410 */
3216/* EXTPROTO */
3217void 3411void
3218rxvt_selection_send(pR_ const XSelectionRequestEvent *rq) 3412rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3219{ 3413{
3414 Atom property = rq.property == None ? rq.target : rq.property;
3220 XSelectionEvent ev; 3415 XSelectionEvent ev;
3416
3417 ev.type = SelectionNotify;
3418 ev.property = None;
3419 ev.display = rq.display;
3420 ev.requestor = rq.requestor;
3421 ev.selection = rq.selection;
3422 ev.target = rq.target;
3423 ev.time = rq.time;
3424
3425 if (rq.target == xa[XA_TARGETS])
3426 {
3427 Atom target_list[6];
3428 Atom *target = target_list;
3429
3430 *target++ = xa[XA_TARGETS];
3431 *target++ = xa[XA_TIMESTAMP];
3432 *target++ = XA_STRING;
3433 *target++ = xa[XA_TEXT];
3434 *target++ = xa[XA_COMPOUND_TEXT];
3435#if X_HAVE_UTF8_STRING
3436 *target++ = xa[XA_UTF8_STRING];
3437#endif
3438
3439 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3440 32, PropModeReplace,
3441 (unsigned char *)target_list, target - target_list);
3442 ev.property = property;
3443 }
3444#if TODO // TODO
3445 else if (rq.target == xa[XA_MULTIPLE])
3446 {
3447 /* TODO: Handle MULTIPLE */
3448 }
3449#endif
3450 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3451 {
3452 XChangeProperty (dpy, rq.requestor, property, rq.target,
3453 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3454 ev.property = property;
3455 }
3456 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3457 {
3458 XChangeProperty (dpy, rq.requestor, property, rq.target,
3459 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3460 ev.property = property;
3461 }
3462 else if (rq.target == XA_STRING
3463 || rq.target == xa[XA_TEXT]
3464 || rq.target == xa[XA_COMPOUND_TEXT]
3465 || rq.target == xa[XA_UTF8_STRING]
3466 )
3467 {
3468 XTextProperty ct;
3469 Atom target = rq.target;
3470 short freect = 0;
3471 int selectlen;
3472 wchar_t *cl;
3473 enum {
3474 enc_string = XStringStyle,
3475 enc_text = XStdICCTextStyle,
3476 enc_compound_text = XCompoundTextStyle,
3477#ifdef X_HAVE_UTF8_STRING
3478 enc_utf8 = XUTF8StringStyle,
3479#else
3480 enc_utf8 = -1,
3481#endif
3482 } style;
3483
3484 if (target == XA_STRING)
3485 // we actually don't do XA_STRING, but who cares, as i18n clients
3486 // will ask for another format anyways.
3487 style = enc_string;
3488 else if (target == xa[XA_TEXT])
3489 style = enc_text;
3490 else if (target == xa[XA_COMPOUND_TEXT])
3491 style = enc_compound_text;
3492#if !ENABLE_MINIMAL
3493 else if (target == xa[XA_UTF8_STRING])
3494 style = enc_utf8;
3495#endif
3496 else
3497 {
3498 target = xa[XA_COMPOUND_TEXT];
3499 style = enc_compound_text;
3500 }
3501
3502 if (rq.selection == XA_PRIMARY && selection.text)
3503 {
3504 cl = selection.text;
3505 selectlen = selection.len;
3506 }
3507 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3508 {
3509 cl = selection.clip_text;
3510 selectlen = selection.clip_len;
3511 }
3512 else
3513 {
3514 cl = L"";
3515 selectlen = 0;
3516 }
3517
3518#if !ENABLE_MINIMAL
3519 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3520 // so recode it manually
3521 if (style == enc_utf8)
3522 {
3523 freect = 1;
3524 ct.encoding = target;
3525 ct.format = 8;
3526 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3527 ct.nitems = strlen ((char *)ct.value);
3528 }
3529 else
3530#endif
3531 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3532 freect = 1;
3533 else
3534 {
3535 /* if we failed to convert then send it raw */
3536 ct.value = (unsigned char *)cl;
3537 ct.nitems = selectlen;
3538 ct.encoding = target;
3539 }
3540
3541 XChangeProperty (dpy, rq.requestor, property,
3542 ct.encoding, 8, PropModeReplace,
3543 ct.value, (int)ct.nitems);
3544 ev.property = property;
3545
3546 if (freect)
3547 XFree (ct.value);
3548 }
3549
3550 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3551}
3552
3553/* ------------------------------------------------------------------------- */
3221#ifdef USE_XIM 3554#ifdef USE_XIM
3222 Atom32 target_list[4]; 3555void
3223#else 3556rxvt_term::im_set_position (XPoint &pos) NOTHROW
3224 Atom32 target_list[3]; 3557{
3225#endif 3558 XWindowAttributes xwa;
3226 Atom target;
3227 XTextProperty ct;
3228 XICCEncodingStyle style;
3229 char *cl[2], dummy[1];
3230 3559
3231 ev.type = SelectionNotify; 3560 XGetWindowAttributes (dpy, vt, &xwa);
3232 ev.property = None;
3233 ev.display = rq->display;
3234 ev.requestor = rq->requestor;
3235 ev.selection = rq->selection;
3236 ev.target = rq->target;
3237 ev.time = rq->time;
3238 3561
3239 if (rq->target == R->xa[XA_TARGETS]) { 3562 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3240 target_list[0] = (Atom32) R->xa[XA_TARGETS]; 3563 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3241 target_list[1] = (Atom32) XA_STRING; 3564}
3242 target_list[2] = (Atom32) R->xa[XA_TEXT];
3243#ifdef USE_XIM
3244 target_list[3] = (Atom32) R->xa[XA_COMPOUND_TEXT];
3245#endif 3565#endif
3246 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, XA_ATOM,
3247 (8 * sizeof(target_list[0])), PropModeReplace,
3248 (unsigned char *)target_list,
3249 (sizeof(target_list) / sizeof(target_list[0])));
3250 ev.property = rq->property;
3251 } else if (rq->target == R->xa[XA_MULTIPLE]) {
3252 /* TODO: Handle MULTIPLE */
3253 } else if (rq->target == R->xa[XA_TIMESTAMP] && R->selection.text) {
3254 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, XA_INTEGER,
3255 (8 * sizeof(Time)), PropModeReplace,
3256 (unsigned char *)&R->selection_time, 1);
3257 ev.property = rq->property;
3258 } else if (rq->target == XA_STRING
3259 || rq->target == R->xa[XA_COMPOUND_TEXT]
3260 || rq->target == R->xa[XA_TEXT]) {
3261#ifdef USE_XIM
3262 short freect = 0;
3263#endif
3264 int selectlen;
3265 3566
3266#ifdef USE_XIM 3567#if ENABLE_OVERLAY
3267 if (rq->target != XA_STRING) { 3568void
3268 target = R->xa[XA_COMPOUND_TEXT]; 3569rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3269 style = (rq->target == R->xa[XA_COMPOUND_TEXT]) 3570{
3270 ? XCompoundTextStyle : XStdICCTextStyle; 3571 if (nrow < 1 || ncol < 1)
3271 } else 3572 return;
3272#endif 3573
3273 { 3574 want_refresh = 1;
3274 target = XA_STRING; 3575
3275 style = XStringStyle; 3576 scr_overlay_off ();
3276 } 3577
3277 if (R->selection.text) { 3578 if (x < 0) x = ncol - w;
3278 cl[0] = (char *)R->selection.text; 3579 if (y < 0) y = nrow - h;
3279 selectlen = R->selection.len; 3580
3280 } else { 3581 // make space for border
3281 cl[0] = dummy; 3582 w += 2; min_it (w, ncol);
3282 *dummy = '\0'; 3583 h += 2; min_it (h, nrow);
3283 selectlen = 0; 3584
3284 } 3585 x -= 1; clamp_it (x, 0, ncol - w);
3285#ifdef USE_XIM 3586 y -= 1; clamp_it (y, 0, nrow - h);
3286 if (XmbTextListToTextProperty(R->Xdisplay, cl, 1, style, &ct) 3587
3287 == Success) /* if we failed to convert then send it raw */ 3588 ov.x = x; ov.y = y;
3288 freect = 1; 3589 ov.w = w; ov.h = h;
3590
3591 ov.text = new text_t *[h];
3592 ov.rend = new rend_t *[h];
3593
3594 for (y = 0; y < h; y++)
3595 {
3596 text_t *tp = ov.text[y] = new text_t[w];
3597 rend_t *rp = ov.rend[y] = new rend_t[w];
3598
3599 text_t t0, t1, t2;
3600 rend_t r = OVERLAY_RSTYLE;
3601
3602 if (y == 0)
3603 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3604 else if (y < h - 1)
3605 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3289 else 3606 else
3290#endif 3607 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3291 { 3608
3292 ct.value = (unsigned char *)cl[0]; 3609 *tp++ = t0;
3293 ct.nitems = selectlen; 3610 *rp++ = r;
3611
3612 for (x = w - 2; x > 0; --x)
3294 } 3613 {
3295 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, 3614 *tp++ = t1;
3296 target, 8, PropModeReplace, 3615 *rp++ = r;
3297 ct.value, (int)ct.nitems); 3616 }
3298 ev.property = rq->property; 3617
3299#ifdef USE_XIM 3618 *tp = t2;
3300 if (freect) 3619 *rp = r;
3301 XFree(ct.value); 3620 }
3302#endif 3621}
3622
3623void
3624rxvt_term::scr_overlay_off () NOTHROW
3625{
3626 if (!ov.text)
3627 return;
3628
3629 want_refresh = 1;
3630
3631 for (int y = 0; y < ov.h; y++)
3303 } 3632 {
3304 XSendEvent(R->Xdisplay, rq->requestor, False, 0L, (XEvent *)&ev); 3633 delete [] ov.text[y];
3634 delete [] ov.rend[y];
3635 }
3636
3637 delete [] ov.text; ov.text = 0;
3638 delete [] ov.rend; ov.rend = 0;
3305} 3639}
3306 3640
3641void
3642rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3643{
3644 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3645 return;
3646
3647 x++, y++;
3648
3649 ov.text[y][x] = text;
3650 ov.rend[y][x] = rend;
3651}
3652
3653void
3654rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3655{
3656 while (*s)
3657 scr_overlay_set (x++, y, *s++);
3658}
3659
3660void
3661rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3662{
3663 while (*s)
3664 {
3665 text_t t = *s++;
3666 int width = WCWIDTH (t);
3667
3668 while (width--)
3669 {
3670 scr_overlay_set (x++, y, t);
3671 t = NOCHAR;
3672 }
3673 }
3674}
3675
3676void
3677rxvt_term::scr_swap_overlay () NOTHROW
3678{
3679 if (!ov.text)
3680 return;
3681
3682 // hide cursor if it is within the overlay area
3683 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3684 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3685 screen.flags &= ~Screen_VisibleCursor;
3686
3687 // swap screen mem with overlay
3688 for (int y = ov.h; y--; )
3689 {
3690 text_t *t1 = ov.text[y];
3691 rend_t *r1 = ov.rend[y];
3692
3693 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3694 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3695
3696 for (int x = ov.w; x--; )
3697 {
3698 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3699 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3700 }
3701 }
3702}
3703
3704#endif
3307/* ------------------------------------------------------------------------- * 3705/* ------------------------------------------------------------------------- */
3308 * MOUSE ROUTINES *
3309 * ------------------------------------------------------------------------- */
3310 3706
3311/*
3312 * return col/row values corresponding to x/y pixel values
3313 */
3314/* EXTPROTO */
3315void
3316rxvt_pixel_position(pR_ int *x, int *y)
3317{
3318 *x = Pixel2Col(*x);
3319/* MAX_IT(*x, 0); MIN_IT(*x, (int)R->TermWin.ncol - 1); */
3320 *y = Pixel2Row(*y);
3321/* MAX_IT(*y, 0); MIN_IT(*y, (int)R->TermWin.nrow - 1); */
3322}
3323/* ------------------------------------------------------------------------- */
3324#ifdef USE_XIM
3325/* EXTPROTO */
3326void
3327rxvt_setPosition(pR_ XPoint *pos)
3328{
3329 XWindowAttributes xwa;
3330
3331 XGetWindowAttributes(R->Xdisplay, R->TermWin.vt, &xwa);
3332 pos->x = Col2Pixel(R->screen.cur.col) + xwa.x;
3333 pos->y = Height2Pixel((R->screen.cur.row + 1)) + xwa.y
3334 - R->TermWin.lineSpace;
3335}
3336#endif
3337/* ------------------------------------------------------------------------- */
3338
3339/* ------------------------------------------------------------------------- *
3340 * DEBUG ROUTINES *
3341 * ------------------------------------------------------------------------- */
3342#if 0
3343/* INTPROTO */
3344void
3345rxvt_debug_colors(void)
3346{
3347 int color;
3348 const char *name[] = {
3349 "fg", "bg",
3350 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3351 };
3352
3353 fprintf(stderr, "Color ( ");
3354 if (R->rstyle & RS_RVid)
3355 fprintf(stderr, "rvid ");
3356 if (R->rstyle & RS_Bold)
3357 fprintf(stderr, "bold ");
3358 if (R->rstyle & RS_Blink)
3359 fprintf(stderr, "blink ");
3360 if (R->rstyle & RS_Uline)
3361 fprintf(stderr, "uline ");
3362 fprintf(stderr, "): ");
3363
3364 color = GET_FGCOLOR(R->rstyle);
3365#ifndef NO_BRIGHTCOLOR
3366 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3367 color -= (minBrightCOLOR - minCOLOR);
3368 fprintf(stderr, "bright ");
3369 }
3370#endif
3371 fprintf(stderr, "%s on ", name[color]);
3372
3373 color = GET_BGCOLOR(R->rstyle);
3374#ifndef NO_BRIGHTCOLOR
3375 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3376 color -= (minBrightCOLOR - minCOLOR);
3377 fprintf(stderr, "bright ");
3378 }
3379#endif
3380 fprintf(stderr, "%s\n", name[color]);
3381}
3382#endif

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