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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.433 by sf-exg, Thu Jan 31 08:07:14 2013 UTC vs.
Revision 1.449 by sf-exg, Wed Nov 19 12:21:11 2014 UTC

5 * 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> 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 3 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
254 254
255 scr_alloc (); 255 scr_alloc ();
256 256
257 if (!prev_row_buf) 257 if (!prev_row_buf)
258 { 258 {
259 /*
260 * first time called (or after scr_release) so just malloc everything: don't rely on realloc
261 */
262 top_row = 0; 259 top_row = 0;
263 term_start = 0; 260 term_start = 0;
264 261
265 memset (charsets, 'B', sizeof (charsets)); 262 memset (charsets, 'B', sizeof (charsets));
266 rstyle = DEFAULT_RSTYLE; 263 rstyle = DEFAULT_RSTYLE;
291 { 288 {
292 /* 289 /*
293 * add or delete rows as appropriate 290 * add or delete rows as appropriate
294 */ 291 */
295 292
293 int common_col = min (prev_ncol, ncol);
294
296 for (int row = min (nrow, prev_nrow); row--; ) 295 for (int row = min (nrow, prev_nrow); row--; )
297 { 296 {
298 copy_line (drawn_buf [row], prev_drawn_buf [row]); 297 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
298 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
299 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
300
299 copy_line (swap_buf [row], prev_swap_buf [row]); 301 copy_line (swap_buf [row], prev_swap_buf [row]);
300 } 302 }
301 303
302 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row 304 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
303 int pend = MOD (term_start + top_row , prev_total_rows); 305 int pend = MOD (term_start + top_row , prev_total_rows);
713 715
714 // finally move the view window, if desired 716 // finally move the view window, if desired
715 if (option (Opt_scrollWithBuffer) 717 if (option (Opt_scrollWithBuffer)
716 && view_start != 0 718 && view_start != 0
717 && view_start != -saveLines) 719 && view_start != -saveLines)
718 scr_page (UP, count); 720 scr_page (count);
719 721
720 if (SHOULD_INVOKE (HOOK_SCROLL_BACK)) 722 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
721 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END)); 723 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
722 } 724 }
723 else 725 else
1238 * direction should be UP or DN 1240 * direction should be UP or DN
1239 */ 1241 */
1240void 1242void
1241rxvt_term::scr_index (enum page_dirn direction) NOTHROW 1243rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1242{ 1244{
1243 int dirn;
1244
1245 want_refresh = 1; 1245 want_refresh = 1;
1246 ZERO_SCROLLBACK (); 1246 ZERO_SCROLLBACK ();
1247 1247
1248 dirn = ((direction == UP) ? 1 : -1);
1249
1250 screen.flags &= ~Screen_WrapNext; 1248 screen.flags &= ~Screen_WrapNext;
1251 1249
1252 if ((screen.cur.row == screen.bscroll && direction == UP) 1250 if ((screen.cur.row == screen.bscroll && direction == UP)
1253 || (screen.cur.row == screen.tscroll && direction == DN)) 1251 || (screen.cur.row == screen.tscroll && direction == DN))
1254 scr_scroll_text (screen.tscroll, screen.bscroll, dirn); 1252 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1255 else 1253 else
1256 screen.cur.row += dirn; 1254 screen.cur.row += direction;
1257 1255
1258 clamp_it (screen.cur.row, 0, nrow - 1); 1256 clamp_it (screen.cur.row, 0, nrow - 1);
1259 selection_check (0); 1257 selection_check (0);
1260} 1258}
1261 1259
1899 * the top of the screen 1897 * the top of the screen
1900 */ 1898 */
1901void 1899void
1902rxvt_term::scr_move_to (int y, int len) NOTHROW 1900rxvt_term::scr_move_to (int y, int len) NOTHROW
1903{ 1901{
1904 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1)); 1902 // lerp (y, 0, len, top_row, nrow - 1)
1903 scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
1905} 1904}
1906 1905
1907/* ------------------------------------------------------------------------- */ 1906/* ------------------------------------------------------------------------- */
1908/* 1907/*
1909 * Page the screen up/down nlines 1908 * Page the screen up/down nlines
1910 * direction should be UP or DN 1909 * direction should be UP or DN
1911 */ 1910 */
1912bool 1911bool
1913rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW 1912rxvt_term::scr_page (int nlines) NOTHROW
1914{ 1913{
1915 int new_view_start =
1916 direction == UP ? view_start - nlines
1917 : view_start + nlines;
1918
1919 return scr_changeview (new_view_start); 1914 return scr_changeview (view_start - nlines);
1920} 1915}
1921 1916
1922bool 1917bool
1923rxvt_term::scr_changeview (int new_view_start) NOTHROW 1918rxvt_term::scr_changeview (int new_view_start) NOTHROW
1924{ 1919{
2046 int i; /* tmp */ 2041 int i; /* tmp */
2047 rend_t ccol1, /* Cursor colour */ 2042 rend_t ccol1, /* Cursor colour */
2048 ccol2; /* Cursor colour2 */ 2043 ccol2; /* Cursor colour2 */
2049 rend_t cur_rend; 2044 rend_t cur_rend;
2050 int cur_col; 2045 int cur_col;
2046 int cursorwidth;
2051 2047
2052 want_refresh = 0; /* screen is current */ 2048 want_refresh = 0; /* screen is current */
2053 2049
2054 if (refresh_type == NO_REFRESH || !mapped) 2050 if (refresh_type == NO_REFRESH || !mapped)
2055 return; 2051 return;
2080 2076
2081 /* 2077 /*
2082 * C: set the cursor character (s) 2078 * C: set the cursor character (s)
2083 */ 2079 */
2084 { 2080 {
2085 bool setoldcursor;
2086
2087#ifdef CURSOR_BLINK 2081#ifdef CURSOR_BLINK
2088 if (hidden_cursor) 2082 if (hidden_cursor)
2089 showcursor = 0; 2083 showcursor = 0;
2090#endif 2084#endif
2091 2085
2093 { 2087 {
2094 int col = screen.cur.col; 2088 int col = screen.cur.col;
2095 2089
2096 while (col && ROW(screen.cur.row).t[col] == NOCHAR) 2090 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2097 col--; 2091 col--;
2092
2093 cursorwidth = 1;
2094 while (col + cursorwidth < ncol
2095 && ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
2096 cursorwidth++;
2098 2097
2099 cur_rend = ROW(screen.cur.row).r[col]; 2098 cur_rend = ROW(screen.cur.row).r[col];
2100 cur_col = col; 2099 cur_col = col;
2101 2100
2102#ifndef NO_CURSORCOLOR 2101#ifndef NO_CURSORCOLOR
2119 ccol2 = bgcolor_of (rstyle); 2118 ccol2 = bgcolor_of (rstyle);
2120#else 2119#else
2121 ccol2 = Color_bg; 2120 ccol2 = Color_bg;
2122#endif 2121#endif
2123 2122
2124 if (focus) 2123 if (focus && cursor_type != 2)
2125 { 2124 {
2126 rend_t rend = cur_rend; 2125 rend_t rend = cur_rend;
2127 2126
2128 if (option (Opt_cursorUnderline)) 2127 if (cursor_type == 1)
2129 rend ^= RS_Uline; 2128 rend ^= RS_Uline;
2130 else 2129 else
2131 { 2130 {
2132 rend ^= RS_RVid; 2131 rend ^= RS_RVid;
2133 rend = SET_FGCOLOR (rend, ccol1); 2132 rend = SET_FGCOLOR (rend, ccol1);
2137 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend); 2136 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
2138 } 2137 }
2139 } 2138 }
2140 2139
2141 /* make sure no outline cursor is left around */ 2140 /* make sure no outline cursor is left around */
2142 setoldcursor = 0;
2143 if (ocrow != -1) 2141 if (ocrow != -1)
2144 { 2142 {
2145 if (screen.cur.row - view_start != ocrow 2143 if (screen.cur.row - view_start != ocrow
2146 || screen.cur.col != oldcursor.col) 2144 || screen.cur.col != oldcursor.col || !showcursor)
2147 { 2145 {
2148 if (ocrow < nrow 2146 if (ocrow < nrow
2149 && oldcursor.col < ncol) 2147 && oldcursor.col < ncol)
2150 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline); 2148 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2151
2152 if (focus || !showcursor)
2153 oldcursor.row = -1;
2154 else
2155 setoldcursor = 1;
2156 } 2149 }
2157 } 2150 }
2158 else if (!focus)
2159 setoldcursor = 1;
2160 2151
2161 if (setoldcursor) 2152 // save the current cursor coordinates if the cursor is visible
2153 // and either the window is unfocused or the cursor style is
2154 // vertical bar, so as to clear the outline cursor in the next
2155 // refresh if the cursor moves or becomes invisible
2156 if (showcursor && (!focus || cursor_type == 2) && screen.cur.row - view_start < nrow)
2162 { 2157 {
2163 if (screen.cur.row - view_start >= nrow)
2164 oldcursor.row = -1;
2165 else
2166 {
2167 oldcursor.row = screen.cur.row - view_start; 2158 oldcursor.row = screen.cur.row - view_start;
2168 oldcursor.col = screen.cur.col; 2159 oldcursor.col = screen.cur.col;
2169 }
2170 } 2160 }
2161 else
2162 oldcursor.row = -1;
2171 } 2163 }
2172 2164
2173#ifndef NO_SLOW_LINK_SUPPORT 2165#ifndef NO_SLOW_LINK_SUPPORT
2174 /* 2166 /*
2175 * D: CopyArea pass - very useful for slower links 2167 * D: CopyArea pass - very useful for slower links
2256 int ypixel = (int)Row2Pixel (row); 2248 int ypixel = (int)Row2Pixel (row);
2257 2249
2258 for (col = 0; col < ncol; col++) 2250 for (col = 0; col < ncol; col++)
2259 { 2251 {
2260 /* compare new text with old - if exactly the same then continue */ 2252 /* compare new text with old - if exactly the same then continue */
2261 if (stp[col] == dtp[col] /* Must match characters to skip. */ 2253 if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2262 && (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2263 || (stp[col] == ' ' /* space w/ no background change */
2264 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2265 continue; 2254 continue;
2266 2255
2267 // redraw one or more characters 2256 // redraw one or more characters
2268 2257
2269 // seek to the beginning of wide characters 2258 // seek to the beginning of wide characters
2441 else 2430 else
2442 font->draw (*drawable, xpixel, ypixel, text, count, fore, back); 2431 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2443 2432
2444 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back)) 2433 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2445 { 2434 {
2435 if (showcursor && focus && row == screen.cur.row
2436 && IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
2437 XSetForeground (dpy, gc, pix_colors[ccol1]);
2438 else
2446#if ENABLE_FRILLS 2439#if ENABLE_FRILLS
2447 if (ISSET_PIXCOLOR (Color_underline)) 2440 if (ISSET_PIXCOLOR (Color_underline))
2448 XSetForeground (dpy, gc, pix_colors[Color_underline]); 2441 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2449 else 2442 else
2450#endif 2443#endif
2461 * G: cleanup cursor and display outline cursor if necessary 2454 * G: cleanup cursor and display outline cursor if necessary
2462 */ 2455 */
2463 if (showcursor) 2456 if (showcursor)
2464 { 2457 {
2465 if (focus) 2458 if (focus)
2459 {
2460 if (cursor_type != 2)
2466 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend); 2461 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2462 else if (oldcursor.row >= 0)
2463 {
2464 XSetForeground (dpy, gc, pix_colors[ccol1]);
2465 XFillRectangle (dpy, vt, gc,
2466 Col2Pixel (cur_col),
2467 Row2Pixel (oldcursor.row),
2468 1,
2469 Height2Pixel (1));
2470 }
2471 }
2467 else if (oldcursor.row >= 0) 2472 else if (oldcursor.row >= 0)
2468 { 2473 {
2469 int cursorwidth = 1;
2470 int col = oldcursor.col;
2471
2472 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2473 col--;
2474
2475 while (col + cursorwidth < ncol
2476 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2477 cursorwidth++;
2478
2479#ifndef NO_CURSORCOLOR
2480 if (ISSET_PIXCOLOR (Color_cursor))
2481 XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2482 else
2483#endif
2484 XSetForeground (dpy, gc, pix_colors[ccol1]); 2474 XSetForeground (dpy, gc, pix_colors[ccol1]);
2485 2475
2486 XDrawRectangle (dpy, vt, gc, 2476 XDrawRectangle (dpy, vt, gc,
2487 Col2Pixel (col), 2477 Col2Pixel (cur_col),
2488 Row2Pixel (oldcursor.row), 2478 Row2Pixel (oldcursor.row),
2489 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2479 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2490 (unsigned int) (Height2Pixel (1) - 1)); 2480 (unsigned int) (Height2Pixel (1) - 1));
2491 } 2481 }
2492 } 2482 }
2693 || (check_more == 1 2683 || (check_more == 1
2694 && current_screen == selection.screen 2684 && current_screen == selection.screen
2695 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2685 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2696 && ROWCOL_IS_BEFORE (screen.cur, selection.end))) 2686 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2697 CLEAR_ALL_SELECTION (); 2687 CLEAR_ALL_SELECTION ();
2688}
2689
2690void
2691rxvt_term::selection_changed () NOTHROW
2692{
2693 line_t &r1 = ROW (selection.beg.row);
2694 while (selection.beg.col < r1.l && r1.t [selection.beg.col] == NOCHAR)
2695 ++selection.beg.col;
2696
2697 line_t &r2 = ROW (selection.end.row);
2698 while (selection.end.col < r2.l && r2.t [selection.end.col] == NOCHAR)
2699 ++selection.end.col;
2700
2701 want_refresh = 1;
2698} 2702}
2699 2703
2700/* ------------------------------------------------------------------------- */ 2704/* ------------------------------------------------------------------------- */
2701/* 2705/*
2702 * Paste a selection direct to the command fd 2706 * Paste a selection direct to the command fd
3005 * Word select: select text for 2 clicks 3009 * Word select: select text for 2 clicks
3006 * We now only find out the boundary in one direction 3010 * We now only find out the boundary in one direction
3007 */ 3011 */
3008 3012
3009/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3013/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3010#define DELIMIT_TEXT(x) \ 3014#define DELIMIT_TEXT(x) \
3011 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3015 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3012#define DELIMIT_REND(x) 1 3016#define DELIMIT_REND(x) 1
3013 3017
3014void ecb_cold 3018void ecb_cold
3015rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW 3019rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3136{ 3140{
3137 row_col_t pos; 3141 row_col_t pos;
3138 enum { 3142 enum {
3139 LEFT, RIGHT 3143 LEFT, RIGHT
3140 } closeto = RIGHT; 3144 } closeto = RIGHT;
3141
3142 want_refresh = 1;
3143 3145
3144 switch (selection.op) 3146 switch (selection.op)
3145 { 3147 {
3146 case SELECTION_INIT: 3148 case SELECTION_INIT:
3147 CLEAR_SELECTION (); 3149 CLEAR_SELECTION ();
3327 3329
3328#if !ENABLE_MINIMAL 3330#if !ENABLE_MINIMAL
3329 if (selection.rect && selection.beg.col > selection.end.col) 3331 if (selection.rect && selection.beg.col > selection.end.col)
3330 ::swap (selection.beg.col, selection.end.col); 3332 ::swap (selection.beg.col, selection.end.col);
3331#endif 3333#endif
3334
3335 selection_changed ();
3332} 3336}
3333 3337
3334#if !ENABLE_MINIMAL 3338#if !ENABLE_MINIMAL
3335void ecb_cold 3339void ecb_cold
3336rxvt_term::selection_remove_trailing_spaces () NOTHROW 3340rxvt_term::selection_remove_trailing_spaces () NOTHROW

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