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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.375 by root, Mon Feb 21 07:12:03 2011 UTC vs.
Revision 1.384 by sf-exg, Mon May 30 18:39:04 2011 UTC

1/*---------------------------------------------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.C 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * 4 *
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 <pcg@goof.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.
159 * ------------------------------------------------------------------------- */ 159 * ------------------------------------------------------------------------- */
160 160
161void 161void
162rxvt_term::scr_reset () 162rxvt_term::scr_reset ()
163{ 163{
164#if ENABLE_OVERLAY
165 scr_overlay_off ();
166#endif
167
164 view_start = 0; 168 view_start = 0;
165 num_scr = 0; 169 num_scr = 0;
166 170
167 if (ncol == 0) 171 if (ncol == 0)
168 ncol = 80; 172 ncol = 80;
795 799
796 while (str < strend) 800 while (str < strend)
797 { 801 {
798 c = (unicode_t)*str++; // convert to rxvt-unicodes representation 802 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
799 803
800 if (expect_false (c < 0x20)) 804 if (ecb_unlikely (c < 0x20))
801 if (c == C0_LF) 805 if (c == C0_LF)
802 { 806 {
803 max_it (line->l, screen.cur.col); 807 max_it (line->l, screen.cur.col);
804 808
805 screen.flags &= ~Screen_WrapNext; 809 screen.flags &= ~Screen_WrapNext;
824 { 828 {
825 scr_tab (1, true); 829 scr_tab (1, true);
826 continue; 830 continue;
827 } 831 }
828 832
829 if (expect_false ( 833 if (ecb_unlikely (
830 checksel /* see if we're writing within selection */ 834 checksel /* see if we're writing within selection */
831 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 835 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
832 && ROWCOL_IS_BEFORE (screen.cur, selection.end) 836 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
833 )) 837 ))
834 { 838 {
839 * should be a similar check. 843 * should be a similar check.
840 */ 844 */
841 CLEAR_SELECTION (); 845 CLEAR_SELECTION ();
842 } 846 }
843 847
844 if (expect_false (screen.flags & Screen_WrapNext)) 848 if (ecb_unlikely (screen.flags & Screen_WrapNext))
845 { 849 {
846 scr_do_wrap (); 850 scr_do_wrap ();
847 851
848 line->l = ncol; 852 line->l = ncol;
849 line->is_longer (1); 853 line->is_longer (1);
851 row = screen.cur.row; 855 row = screen.cur.row;
852 line = &ROW(row); /* _must_ refresh */ 856 line = &ROW(row); /* _must_ refresh */
853 } 857 }
854 858
855 // some utf-8 decoders "decode" surrogate characters: let's fix this. 859 // some utf-8 decoders "decode" surrogate characters: let's fix this.
856 if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff))) 860 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
857 c = 0xfffd; 861 c = 0xfffd;
858 862
859 // rely on wcwidth to tell us the character width, do wcwidth before 863 // rely on wcwidth to tell us the character width, do wcwidth before
860 // further replacements, as wcwidth might return -1 for the line 864 // further replacements, as wcwidth might return -1 for the line
861 // drawing characters below as they might be invalid in the current 865 // drawing characters below as they might be invalid in the current
862 // locale. 866 // locale.
863 int width = WCWIDTH (c); 867 int width = WCWIDTH (c);
864 868
865 if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL 869 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
866 { 870 {
867 // vt100 special graphics and line drawing 871 // vt100 special graphics and line drawing
868 // 5f-7e standard vt100 872 // 5f-7e standard vt100
869 // 40-5e rxvt extension for extra curses acs chars 873 // 40-5e rxvt extension for extra curses acs chars
870 static uint16_t vt100_0[62] = { // 41 .. 7e 874 static uint16_t vt100_0[62] = { // 41 .. 7e
883 c = vt100_0[c - 0x41]; 887 c = vt100_0[c - 0x41];
884 width = 1; // vt100 line drawing characters are always single-width 888 width = 1; // vt100 line drawing characters are always single-width
885 } 889 }
886 } 890 }
887 891
888 if (expect_false (screen.flags & Screen_Insert)) 892 if (ecb_unlikely (screen.flags & Screen_Insert))
889 scr_insdel_chars (width, INSERT); 893 scr_insdel_chars (width, INSERT);
890 894
891 if (width != 0) 895 if (width != 0)
892 { 896 {
893#if !UNICODE_3 897#if !UNICODE_3
901#endif 905#endif
902 906
903 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c)); 907 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
904 908
905 // if the character doesn't fit into the remaining columns... 909 // if the character doesn't fit into the remaining columns...
906 if (expect_false (screen.cur.col > ncol - width && ncol >= width)) 910 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
907 { 911 {
908 if (screen.flags & Screen_Autowrap) 912 if (screen.flags & Screen_Autowrap)
909 { 913 {
910 // ... artificially enlargen the previous one 914 // ... artificially enlargen the previous one
911 c = NOCHAR; 915 c = NOCHAR;
918 922
919 // nuke the character at this position, if required 923 // nuke the character at this position, if required
920 // due to wonderful coincidences everywhere else in this loop 924 // due to wonderful coincidences everywhere else in this loop
921 // we never have to check for overwriting a wide char itself, 925 // we never have to check for overwriting a wide char itself,
922 // only its tail. 926 // only its tail.
923 if (expect_false (line->t[screen.cur.col] == NOCHAR)) 927 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
924 scr_kill_char (*line, screen.cur.col); 928 scr_kill_char (*line, screen.cur.col);
925 929
926 line->touch (); 930 line->touch ();
927 931
928 do 932 do
929 { 933 {
930 line->t[screen.cur.col] = c; 934 line->t[screen.cur.col] = c;
931 line->r[screen.cur.col] = rend; 935 line->r[screen.cur.col] = rend;
932 936
933 if (expect_true (screen.cur.col < ncol - 1)) 937 if (ecb_likely (screen.cur.col < ncol - 1))
934 screen.cur.col++; 938 screen.cur.col++;
935 else 939 else
936 { 940 {
937 line->l = ncol; 941 line->l = ncol;
938 if (screen.flags & Screen_Autowrap) 942 if (screen.flags & Screen_Autowrap)
941 goto end_of_line; 945 goto end_of_line;
942 } 946 }
943 947
944 c = NOCHAR; 948 c = NOCHAR;
945 } 949 }
946 while (expect_false (--width > 0)); 950 while (ecb_unlikely (--width > 0));
947 951
948 // pad with spaces when overwriting wide character with smaller one 952 // pad with spaces when overwriting wide character with smaller one
949 for (int c = screen.cur.col; expect_false (c < ncol && line->t[c] == NOCHAR); c++) 953 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
950 { 954 {
951 line->t[c] = ' '; 955 line->t[c] = ' ';
952 line->r[c] = rend; 956 line->r[c] = rend;
953 } 957 }
954 958
1920 1924
1921# ifndef NO_MAPALERT 1925# ifndef NO_MAPALERT
1922# ifdef MAPALERT_OPTION 1926# ifdef MAPALERT_OPTION
1923 if (option (Opt_mapAlert)) 1927 if (option (Opt_mapAlert))
1924# endif 1928# endif
1925 XMapWindow (dpy, parent[0]); 1929 XMapWindow (dpy, parent);
1926# endif 1930# endif
1927 1931
1928# if ENABLE_FRILLS 1932# if ENABLE_FRILLS
1929 if (option (Opt_urgentOnBell)) 1933 if (option (Opt_urgentOnBell))
1930 set_urgency (1); 1934 set_urgency (1);
1943 HOOK_INVOKE ((this, HOOK_BELL, DT_END)); 1947 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1944#endif 1948#endif
1945} 1949}
1946 1950
1947/* ------------------------------------------------------------------------- */ 1951/* ------------------------------------------------------------------------- */
1948/* ARGSUSED */
1949void 1952void
1950rxvt_term::scr_printscreen (int fullhist) NOTHROW 1953rxvt_term::scr_printscreen (int fullhist) NOTHROW
1951{ 1954{
1952#ifdef PRINTPIPE 1955#ifdef PRINTPIPE
1953 int nrows, row_start; 1956 int nrows, row_start;
2231 continue; 2234 continue;
2232 2235
2233 // redraw one or more characters 2236 // redraw one or more characters
2234 2237
2235 // seek to the beginning of wide characters 2238 // seek to the beginning of wide characters
2236 while (expect_false (stp[col] == NOCHAR && col > 0)) 2239 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2237 --col; 2240 --col;
2238 2241
2239 rend_t rend = srp[col]; /* screen rendition (target rendition) */ 2242 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2240 text_t *text = stp + col; 2243 text_t *text = stp + col;
2241 int count = 1; 2244 int count = 1;
2279 2282
2280 col--; /* went one too far. move back */ 2283 col--; /* went one too far. move back */
2281 count -= i; /* dump any matching trailing chars */ 2284 count -= i; /* dump any matching trailing chars */
2282 2285
2283 // sometimes we optimize away the trailing NOCHAR's, add them back 2286 // sometimes we optimize away the trailing NOCHAR's, add them back
2284 while (expect_false (i && text[count] == NOCHAR)) 2287 while (ecb_unlikely (i && text[count] == NOCHAR))
2285 count++, i--; 2288 count++, i--;
2286 2289
2287 /* 2290 /*
2288 * Determine the attributes for the string 2291 * Determine the attributes for the string
2289 */ 2292 */
2290 int fore = fgcolor_of (rend); // desired foreground 2293 int fore = fgcolor_of (rend); // desired foreground
2291 int back = bgcolor_of (rend); // desired background 2294 int back = bgcolor_of (rend); // desired background
2292 2295
2293 // only do special processing if any attributes are set, which is unlikely 2296 // only do special processing if any attributes are set, which is unlikely
2294 if (expect_false (rend & (RS_baseattrMask | RS_Careful | RS_Sel))) 2297 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2295 { 2298 {
2296 bool invert = rend & RS_RVid; 2299 bool invert = rend & RS_RVid;
2297 2300
2298#ifndef NO_BOLD_UNDERLINE_REVERSE 2301#ifndef NO_BOLD_UNDERLINE_REVERSE
2299 if (rend & RS_Bold && fore == Color_fg) 2302 if (rend & RS_Bold && fore == Color_fg)
2388 /* 2391 /*
2389 * Actually do the drawing of the string here 2392 * Actually do the drawing of the string here
2390 */ 2393 */
2391 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)]; 2394 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2392 2395
2393 if (expect_true (have_bg && back == Color_bg)) 2396 if (ecb_likely (have_bg && back == Color_bg))
2394 { 2397 {
2395 // this is very ugly, maybe push it into ->draw? 2398 // this is very ugly, maybe push it into ->draw?
2396 2399
2397 for (i = 0; i < count; i++) /* don't draw empty strings */ 2400 for (i = 0; i < count; i++) /* don't draw empty strings */
2398 if (text[i] != ' ') 2401 if (text[i] != ' ')
2405 did_clear: ; 2408 did_clear: ;
2406 } 2409 }
2407 else 2410 else
2408 font->draw (*drawable, xpixel, ypixel, text, count, fore, back); 2411 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2409 2412
2410 if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back)) 2413 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2411 { 2414 {
2412#if ENABLE_FRILLS 2415#if ENABLE_FRILLS
2413 if (ISSET_PIXCOLOR (Color_underline)) 2416 if (ISSET_PIXCOLOR (Color_underline))
2414 XSetForeground (dpy, gc, pix_colors[Color_underline]); 2417 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2415 else 2418 else
2516 if (bg_pixmap != None) 2519 if (bg_pixmap != None)
2517 { 2520 {
2518# ifdef ENABLE_TRANSPARENCY 2521# ifdef ENABLE_TRANSPARENCY
2519 if (bg_flags & BG_IS_TRANSPARENT) 2522 if (bg_flags & BG_IS_TRANSPARENT)
2520 { 2523 {
2521 XSetWindowBackgroundPixmap (dpy, parent[0], bg_pixmap); 2524 XSetWindowBackgroundPixmap (dpy, parent, bg_pixmap);
2522 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative); 2525 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2523 2526
2524 transparent = true; 2527 transparent = true;
2525 } 2528 }
2526 else 2529 else
2527# endif 2530# endif
2528 { 2531 {
2529 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]); 2532 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2530 XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap); 2533 XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap);
2531 } 2534 }
2532 } 2535 }
2533 else 2536 else
2534#endif 2537#endif
2535 { 2538 {
2536 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]); 2539 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2537 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 2540 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2538 } 2541 }
2539 2542
2540 XClearWindow (dpy, parent[0]); 2543 XClearWindow (dpy, parent);
2541 2544
2542 if (scrollBar.win) 2545 if (scrollBar.win)
2543 { 2546 {
2544 if (transparent) 2547 if (transparent)
2545 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative); 2548 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2732 tt_paste (data, len); 2735 tt_paste (data, len);
2733} 2736}
2734 2737
2735/* ------------------------------------------------------------------------- */ 2738/* ------------------------------------------------------------------------- */
2736/* 2739/*
2737 * Request the current selection: 2740 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2738 * Order: > internal selection if available 2741 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2739 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2742 * as fallback
2740 * > CUT_BUFFER0
2741 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2742 * will auto fallback to CUT_BUFFER0
2743 * EXT: button 2 release 2743 * EXT: button 2 release
2744 */ 2744 */
2745void 2745void
2746rxvt_term::selection_request (Time tm, int selnum) NOTHROW 2746rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2747{ 2747{
2748 if (selection.text && selnum == Sel_Primary)
2749 {
2750 /* internal selection */
2751 char *str = rxvt_wcstombs (selection.text, selection.len);
2752 paste (str, strlen (str));
2753 free (str);
2754 return;
2755 }
2756 else if (!selection_req) 2748 if (!selection_req)
2757 { 2749 {
2758 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this); 2750 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2759 selection_req->run (); 2751 selection_req->run ();
2760 } 2752 }
2761} 2753}
3409 * EXT: SelectionRequest 3401 * EXT: SelectionRequest
3410 */ 3402 */
3411void 3403void
3412rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW 3404rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3413{ 3405{
3406 Atom property = rq.property == None ? rq.target : rq.property;
3414 XSelectionEvent ev; 3407 XSelectionEvent ev;
3415 3408
3416 ev.type = SelectionNotify; 3409 ev.type = SelectionNotify;
3417 ev.property = None; 3410 ev.property = None;
3418 ev.display = rq.display; 3411 ev.display = rq.display;
3433 *target++ = xa[XA_COMPOUND_TEXT]; 3426 *target++ = xa[XA_COMPOUND_TEXT];
3434#if X_HAVE_UTF8_STRING 3427#if X_HAVE_UTF8_STRING
3435 *target++ = xa[XA_UTF8_STRING]; 3428 *target++ = xa[XA_UTF8_STRING];
3436#endif 3429#endif
3437 3430
3438 XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM, 3431 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3439 32, PropModeReplace, 3432 32, PropModeReplace,
3440 (unsigned char *)target_list, target - target_list); 3433 (unsigned char *)target_list, target - target_list);
3441 ev.property = rq.property; 3434 ev.property = property;
3442 } 3435 }
3443#if TODO // TODO 3436#if TODO // TODO
3444 else if (rq.target == xa[XA_MULTIPLE]) 3437 else if (rq.target == xa[XA_MULTIPLE])
3445 { 3438 {
3446 /* TODO: Handle MULTIPLE */ 3439 /* TODO: Handle MULTIPLE */
3447 } 3440 }
3448#endif 3441#endif
3449 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text) 3442 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3450 { 3443 {
3451 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3444 XChangeProperty (dpy, rq.requestor, property, rq.target,
3452 32, PropModeReplace, (unsigned char *)&selection_time, 1); 3445 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3453 ev.property = rq.property; 3446 ev.property = property;
3454 } 3447 }
3455 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text) 3448 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3456 { 3449 {
3457 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3450 XChangeProperty (dpy, rq.requestor, property, rq.target,
3458 32, PropModeReplace, (unsigned char *)&clipboard_time, 1); 3451 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3459 ev.property = rq.property; 3452 ev.property = property;
3460 } 3453 }
3461 else if (rq.target == XA_STRING 3454 else if (rq.target == XA_STRING
3462 || rq.target == xa[XA_TEXT] 3455 || rq.target == xa[XA_TEXT]
3463 || rq.target == xa[XA_COMPOUND_TEXT] 3456 || rq.target == xa[XA_COMPOUND_TEXT]
3464 || rq.target == xa[XA_UTF8_STRING] 3457 || rq.target == xa[XA_UTF8_STRING]
3535 ct.value = (unsigned char *)cl; 3528 ct.value = (unsigned char *)cl;
3536 ct.nitems = selectlen; 3529 ct.nitems = selectlen;
3537 ct.encoding = target; 3530 ct.encoding = target;
3538 } 3531 }
3539 3532
3540 XChangeProperty (dpy, rq.requestor, rq.property, 3533 XChangeProperty (dpy, rq.requestor, property,
3541 ct.encoding, 8, PropModeReplace, 3534 ct.encoding, 8, PropModeReplace,
3542 ct.value, (int)ct.nitems); 3535 ct.value, (int)ct.nitems);
3543 ev.property = rq.property; 3536 ev.property = property;
3544 3537
3545 if (freect) 3538 if (freect)
3546 XFree (ct.value); 3539 XFree (ct.value);
3547 } 3540 }
3548 3541

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