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/cvs/rxvt-unicode/src/screen.C
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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 1.440 by root, Wed Mar 27 17:24:16 2013 UTC

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
1908/* 1910/*
1909 * Page the screen up/down nlines 1911 * Page the screen up/down nlines
1910 * direction should be UP or DN 1912 * direction should be UP or DN
1911 */ 1913 */
1912bool 1914bool
1913rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW 1915rxvt_term::scr_page (int nlines) NOTHROW
1914{ 1916{
1915 int new_view_start =
1916 direction == UP ? view_start - nlines
1917 : view_start + nlines;
1918
1919 return scr_changeview (new_view_start); 1917 return scr_changeview (view_start - nlines);
1920} 1918}
1921 1919
1922bool 1920bool
1923rxvt_term::scr_changeview (int new_view_start) NOTHROW 1921rxvt_term::scr_changeview (int new_view_start) NOTHROW
1924{ 1922{
2046 int i; /* tmp */ 2044 int i; /* tmp */
2047 rend_t ccol1, /* Cursor colour */ 2045 rend_t ccol1, /* Cursor colour */
2048 ccol2; /* Cursor colour2 */ 2046 ccol2; /* Cursor colour2 */
2049 rend_t cur_rend; 2047 rend_t cur_rend;
2050 int cur_col; 2048 int cur_col;
2049 int cursorwidth;
2051 2050
2052 want_refresh = 0; /* screen is current */ 2051 want_refresh = 0; /* screen is current */
2053 2052
2054 if (refresh_type == NO_REFRESH || !mapped) 2053 if (refresh_type == NO_REFRESH || !mapped)
2055 return; 2054 return;
2080 2079
2081 /* 2080 /*
2082 * C: set the cursor character (s) 2081 * C: set the cursor character (s)
2083 */ 2082 */
2084 { 2083 {
2085 bool setoldcursor;
2086
2087#ifdef CURSOR_BLINK 2084#ifdef CURSOR_BLINK
2088 if (hidden_cursor) 2085 if (hidden_cursor)
2089 showcursor = 0; 2086 showcursor = 0;
2090#endif 2087#endif
2091 2088
2093 { 2090 {
2094 int col = screen.cur.col; 2091 int col = screen.cur.col;
2095 2092
2096 while (col && ROW(screen.cur.row).t[col] == NOCHAR) 2093 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2097 col--; 2094 col--;
2095
2096 cursorwidth = 1;
2097 while (col + cursorwidth < ncol
2098 && ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
2099 cursorwidth++;
2098 2100
2099 cur_rend = ROW(screen.cur.row).r[col]; 2101 cur_rend = ROW(screen.cur.row).r[col];
2100 cur_col = col; 2102 cur_col = col;
2101 2103
2102#ifndef NO_CURSORCOLOR 2104#ifndef NO_CURSORCOLOR
2137 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend); 2139 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
2138 } 2140 }
2139 } 2141 }
2140 2142
2141 /* make sure no outline cursor is left around */ 2143 /* make sure no outline cursor is left around */
2142 setoldcursor = 0;
2143 if (ocrow != -1) 2144 if (ocrow != -1)
2144 { 2145 {
2145 if (screen.cur.row - view_start != ocrow 2146 if (screen.cur.row - view_start != ocrow
2146 || screen.cur.col != oldcursor.col) 2147 || screen.cur.col != oldcursor.col)
2147 { 2148 {
2148 if (ocrow < nrow 2149 if (ocrow < nrow
2149 && oldcursor.col < ncol) 2150 && oldcursor.col < ncol)
2150 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline); 2151 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 } 2152 }
2157 } 2153 }
2158 else if (!focus)
2159 setoldcursor = 1;
2160 2154
2161 if (setoldcursor) 2155 // save the current cursor coordinates if the cursor is visible
2156 // and the window is unfocused, so as to clear the outline cursor
2157 // in the next refresh if the cursor moves
2158 if (showcursor && !focus && screen.cur.row - view_start < nrow)
2162 { 2159 {
2163 if (screen.cur.row - view_start >= nrow)
2164 oldcursor.row = -1;
2165 else
2166 {
2167 oldcursor.row = screen.cur.row - view_start; 2160 oldcursor.row = screen.cur.row - view_start;
2168 oldcursor.col = screen.cur.col; 2161 oldcursor.col = screen.cur.col;
2169 }
2170 } 2162 }
2163 else
2164 oldcursor.row = -1;
2171 } 2165 }
2172 2166
2173#ifndef NO_SLOW_LINK_SUPPORT 2167#ifndef NO_SLOW_LINK_SUPPORT
2174 /* 2168 /*
2175 * D: CopyArea pass - very useful for slower links 2169 * D: CopyArea pass - very useful for slower links
2441 else 2435 else
2442 font->draw (*drawable, xpixel, ypixel, text, count, fore, back); 2436 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2443 2437
2444 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back)) 2438 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2445 { 2439 {
2440 if (showcursor && focus && row == screen.cur.row
2441 && IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
2442 XSetForeground (dpy, gc, pix_colors[ccol1]);
2443 else
2446#if ENABLE_FRILLS 2444#if ENABLE_FRILLS
2447 if (ISSET_PIXCOLOR (Color_underline)) 2445 if (ISSET_PIXCOLOR (Color_underline))
2448 XSetForeground (dpy, gc, pix_colors[Color_underline]); 2446 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2449 else 2447 else
2450#endif 2448#endif
2464 { 2462 {
2465 if (focus) 2463 if (focus)
2466 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend); 2464 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2467 else if (oldcursor.row >= 0) 2465 else if (oldcursor.row >= 0)
2468 { 2466 {
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]); 2467 XSetForeground (dpy, gc, pix_colors[ccol1]);
2485 2468
2486 XDrawRectangle (dpy, vt, gc, 2469 XDrawRectangle (dpy, vt, gc,
2487 Col2Pixel (col), 2470 Col2Pixel (cur_col),
2488 Row2Pixel (oldcursor.row), 2471 Row2Pixel (oldcursor.row),
2489 (unsigned int) (Width2Pixel (cursorwidth) - 1), 2472 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2490 (unsigned int) (Height2Pixel (1) - 1)); 2473 (unsigned int) (Height2Pixel (1) - 1));
2491 } 2474 }
2492 } 2475 }
2693 || (check_more == 1 2676 || (check_more == 1
2694 && current_screen == selection.screen 2677 && current_screen == selection.screen
2695 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 2678 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2696 && ROWCOL_IS_BEFORE (screen.cur, selection.end))) 2679 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2697 CLEAR_ALL_SELECTION (); 2680 CLEAR_ALL_SELECTION ();
2681}
2682
2683void
2684rxvt_term::selection_changed () NOTHROW
2685{
2686 line_t &r1 = ROW (selection.beg.row);
2687 while (selection.beg.col > 0 && r1.t [selection.beg.col] == NOCHAR)
2688 --selection.beg.col;
2689
2690 line_t &r2 = ROW (selection.end.row);
2691 while (selection.end.col < r2.l && r2.t [selection.end.col] == NOCHAR)
2692 ++selection.end.col;
2693
2694 want_refresh = 1;
2698} 2695}
2699 2696
2700/* ------------------------------------------------------------------------- */ 2697/* ------------------------------------------------------------------------- */
2701/* 2698/*
2702 * Paste a selection direct to the command fd 2699 * Paste a selection direct to the command fd
3005 * Word select: select text for 2 clicks 3002 * Word select: select text for 2 clicks
3006 * We now only find out the boundary in one direction 3003 * We now only find out the boundary in one direction
3007 */ 3004 */
3008 3005
3009/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3006/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3010#define DELIMIT_TEXT(x) \ 3007#define DELIMIT_TEXT(x) \
3011 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3008 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3012#define DELIMIT_REND(x) 1 3009#define DELIMIT_REND(x) 1
3013 3010
3014void ecb_cold 3011void ecb_cold
3015rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW 3012rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3136{ 3133{
3137 row_col_t pos; 3134 row_col_t pos;
3138 enum { 3135 enum {
3139 LEFT, RIGHT 3136 LEFT, RIGHT
3140 } closeto = RIGHT; 3137 } closeto = RIGHT;
3141
3142 want_refresh = 1;
3143 3138
3144 switch (selection.op) 3139 switch (selection.op)
3145 { 3140 {
3146 case SELECTION_INIT: 3141 case SELECTION_INIT:
3147 CLEAR_SELECTION (); 3142 CLEAR_SELECTION ();
3327 3322
3328#if !ENABLE_MINIMAL 3323#if !ENABLE_MINIMAL
3329 if (selection.rect && selection.beg.col > selection.end.col) 3324 if (selection.rect && selection.beg.col > selection.end.col)
3330 ::swap (selection.beg.col, selection.end.col); 3325 ::swap (selection.beg.col, selection.end.col);
3331#endif 3326#endif
3327
3328 selection_changed ();
3332} 3329}
3333 3330
3334#if !ENABLE_MINIMAL 3331#if !ENABLE_MINIMAL
3335void ecb_cold 3332void ecb_cold
3336rxvt_term::selection_remove_trailing_spaces () NOTHROW 3333rxvt_term::selection_remove_trailing_spaces () NOTHROW

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