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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.368 by sf-exg, Tue Feb 1 00:41:01 2011 UTC vs.
Revision 1.391 by root, Sun Jul 10 00:39:53 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.
… …
38 while (len--) 38 while (len--)
39 *start++ = value; 39 *start++ = value;
40} 40}
41 41
42/* ------------------------------------------------------------------------- */ 42/* ------------------------------------------------------------------------- */
43#define PROP_SIZE 256*1024
44#define PASTE_SIZE 32768
45#define TABSIZE 8 /* default tab size */ 43#define TABSIZE 8 /* default tab size */
46 44
47/* ------------------------------------------------------------------------- * 45/* ------------------------------------------------------------------------- *
48 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 46 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49 * ------------------------------------------------------------------------- */ 47 * ------------------------------------------------------------------------- */
… …
161 * ------------------------------------------------------------------------- */ 159 * ------------------------------------------------------------------------- */
162 160
163void 161void
164rxvt_term::scr_reset () 162rxvt_term::scr_reset ()
165{ 163{
164#if ENABLE_OVERLAY
165 scr_overlay_off ();
166#endif
167
166 view_start = 0; 168 view_start = 0;
167 num_scr = 0; 169 num_scr = 0;
168 170
169 if (ncol == 0) 171 if (ncol == 0)
170 ncol = 80; 172 ncol = 80;
… …
201 term_start = 0; 203 term_start = 0;
202 204
203 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 205 talloc = new rxvt_salloc (ncol * sizeof (text_t));
204 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 206 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
205 207
206 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t)); 208 row_buf = (line_t *)rxvt_calloc (total_rows , sizeof (line_t));
207 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t)); 209 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
208 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t)); 210 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
209 211
210 for (int row = nrow; row--; ) 212 for (int row = nrow; row--; )
211 { 213 {
… …
273 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE); 275 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
274 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE); 276 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
275 } 277 }
276 278
277 line_t *old_buf = row_buf; 279 line_t *old_buf = row_buf;
278 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t)); 280 row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
279 281
280 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row 282 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
281 int pend = MOD (term_start + top_row , prev_total_rows); 283 int pend = MOD (term_start + top_row , prev_total_rows);
282 int q = total_rows; // rewrapped row 284 int q = total_rows; // rewrapped row
283 285
… …
636 638
637 if (count > 0 639 if (count > 0
638 && row1 == 0 640 && row1 == 0
639 && (current_screen == PRIMARY || option (Opt_secondaryScroll))) 641 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
640 { 642 {
643 min_it (count, total_rows - (nrow - (row2 + 1)));
644
641 top_row = max (top_row - count, -saveLines); 645 top_row = max (top_row - count, -saveLines);
642
643 // scroll everything up 'count' lines
644 term_start = (term_start + count) % total_rows;
645 646
646 // sever bottommost line 647 // sever bottommost line
647 { 648 {
648 line_t &l = ROW(row2 - count); 649 line_t &l = ROW(row2);
649 l.is_longer (0); 650 l.is_longer (0);
650 l.touch (); 651 l.touch ();
651 } 652 }
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
653 // erase newly scrolled-in lines 669 // erase newly scrolled-in lines
654 for (int i = count; i--; ) 670 for (int i = count; i--; )
655 { 671 {
656 line_t &l = ROW(nrow - 1 - i); 672 line_t &l = ROW(row2 - i);
657 673
658 // optimize if already cleared, can be significant on slow machines 674 // optimise if already cleared, can be significant on slow machines
659 // could be rolled into scr_blank_screen_mem 675 // could be rolled into scr_blank_screen_mem
660 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask))) 676 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
661 { 677 {
662 scr_blank_line (l, 0, l.l, rstyle); 678 scr_blank_line (l, 0, l.l, rstyle);
663 l.l = 0; 679 l.l = 0;
664 l.f = 0; 680 l.f = 0;
665 } 681 }
666 else 682 else
667 scr_blank_screen_mem (l, rstyle); 683 scr_blank_screen_mem (l, rstyle);
668 }
669
670 // now copy lines below the scroll region bottom to the
671 // bottom of the screen again, so they look as if they
672 // hadn't moved.
673 for (int i = nrow; --i > row2; )
674 {
675 line_t &l1 = ROW(i - count);
676 line_t &l2 = ROW(i);
677
678 ::swap (l1, l2);
679 l2.touch ();
680 } 684 }
681 685
682 // move and/or clear selection, if any 686 // move and/or clear selection, if any
683 if (selection.op && current_screen == selection.screen) 687 if (selection.op && current_screen == selection.screen)
684 { 688 {
… …
730 } 734 }
731 735
732 // use a simple and robust scrolling algorithm, this 736 // use a simple and robust scrolling algorithm, this
733 // part of scr_scroll_text is not time-critical. 737 // part of scr_scroll_text is not time-critical.
734 738
739 // sever line above scroll region
740 if (row1)
741 {
742 line_t &l = ROW(row1 - 1);
743 l.is_longer (0);
744 l.touch ();
745 }
746
735 int rows = row2 - row1 + 1; 747 int rows = row2 - row1 + 1;
736 748
737 min_it (count, rows); 749 min_it (count, rows);
738 750
739 line_t *temp_buf = row_buf + total_rows; 751 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
740 752
741 for (int row = 0; row < rows; row++) 753 for (int row = 0; row < rows; row++)
742 { 754 {
743 temp_buf [row] = ROW(row1 + (row + count + rows) % rows); 755 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
744 756
… …
746 scr_blank_screen_mem (temp_buf [row], rstyle); 758 scr_blank_screen_mem (temp_buf [row], rstyle);
747 } 759 }
748 760
749 for (int row = 0; row < rows; row++) 761 for (int row = 0; row < rows; row++)
750 ROW(row1 + row) = temp_buf [row]; 762 ROW(row1 + row) = temp_buf [row];
763
764 // sever bottommost line
765 {
766 line_t &l = ROW(row2 - 1);
767 l.is_longer (0);
768 l.touch ();
769 }
770
751 } 771 }
752 772
753 return count; 773 return count;
754} 774}
755 775
… …
797 817
798 while (str < strend) 818 while (str < strend)
799 { 819 {
800 c = (unicode_t)*str++; // convert to rxvt-unicodes representation 820 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
801 821
802 if (expect_false (c < 0x20)) 822 if (ecb_unlikely (c < 0x20))
803 if (c == C0_LF) 823 if (c == C0_LF)
804 { 824 {
805 max_it (line->l, screen.cur.col); 825 max_it (line->l, screen.cur.col);
806 826
807 screen.flags &= ~Screen_WrapNext; 827 screen.flags &= ~Screen_WrapNext;
… …
826 { 846 {
827 scr_tab (1, true); 847 scr_tab (1, true);
828 continue; 848 continue;
829 } 849 }
830 850
831 if (expect_false ( 851 if (ecb_unlikely (
832 checksel /* see if we're writing within selection */ 852 checksel /* see if we're writing within selection */
833 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg) 853 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
834 && ROWCOL_IS_BEFORE (screen.cur, selection.end) 854 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
835 )) 855 ))
836 { 856 {
… …
841 * should be a similar check. 861 * should be a similar check.
842 */ 862 */
843 CLEAR_SELECTION (); 863 CLEAR_SELECTION ();
844 } 864 }
845 865
846 if (expect_false (screen.flags & Screen_WrapNext)) 866 if (ecb_unlikely (screen.flags & Screen_WrapNext))
847 { 867 {
848 scr_do_wrap (); 868 scr_do_wrap ();
849 869
850 line->l = ncol; 870 line->l = ncol;
851 line->is_longer (1); 871 line->is_longer (1);
… …
853 row = screen.cur.row; 873 row = screen.cur.row;
854 line = &ROW(row); /* _must_ refresh */ 874 line = &ROW(row); /* _must_ refresh */
855 } 875 }
856 876
857 // some utf-8 decoders "decode" surrogate characters: let's fix this. 877 // some utf-8 decoders "decode" surrogate characters: let's fix this.
858 if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff))) 878 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
859 c = 0xfffd; 879 c = 0xfffd;
860 880
861 // rely on wcwidth to tell us the character width, do wcwidth before 881 // rely on wcwidth to tell us the character width, do wcwidth before
862 // further replacements, as wcwidth might return -1 for the line 882 // further replacements, as wcwidth might return -1 for the line
863 // drawing characters below as they might be invalid in the current 883 // drawing characters below as they might be invalid in the current
864 // locale. 884 // locale.
865 int width = WCWIDTH (c); 885 int width = WCWIDTH (c);
866 886
867 if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL 887 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
868 { 888 {
869 // vt100 special graphics and line drawing 889 // vt100 special graphics and line drawing
870 // 5f-7e standard vt100 890 // 5f-7e standard vt100
871 // 40-5e rxvt extension for extra curses acs chars 891 // 40-5e rxvt extension for extra curses acs chars
872 static uint16_t vt100_0[62] = { // 41 .. 7e 892 static uint16_t vt100_0[62] = { // 41 .. 7e
… …
885 c = vt100_0[c - 0x41]; 905 c = vt100_0[c - 0x41];
886 width = 1; // vt100 line drawing characters are always single-width 906 width = 1; // vt100 line drawing characters are always single-width
887 } 907 }
888 } 908 }
889 909
890 if (expect_false (screen.flags & Screen_Insert)) 910 if (ecb_unlikely (screen.flags & Screen_Insert))
891 scr_insdel_chars (width, INSERT); 911 scr_insdel_chars (width, INSERT);
892 912
893 if (width != 0) 913 if (width != 0)
894 { 914 {
895#if !UNICODE_3 915#if !UNICODE_3
… …
903#endif 923#endif
904 924
905 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c)); 925 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
906 926
907 // if the character doesn't fit into the remaining columns... 927 // if the character doesn't fit into the remaining columns...
908 if (expect_false (screen.cur.col > ncol - width && ncol >= width)) 928 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
909 { 929 {
910 if (screen.flags & Screen_Autowrap) 930 if (screen.flags & Screen_Autowrap)
911 { 931 {
912 // ... artificially enlargen the previous one 932 // ... artificially enlargen the previous one
913 c = NOCHAR; 933 c = NOCHAR;
… …
920 940
921 // nuke the character at this position, if required 941 // nuke the character at this position, if required
922 // due to wonderful coincidences everywhere else in this loop 942 // due to wonderful coincidences everywhere else in this loop
923 // we never have to check for overwriting a wide char itself, 943 // we never have to check for overwriting a wide char itself,
924 // only its tail. 944 // only its tail.
925 if (expect_false (line->t[screen.cur.col] == NOCHAR)) 945 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
926 scr_kill_char (*line, screen.cur.col); 946 scr_kill_char (*line, screen.cur.col);
927 947
928 line->touch (); 948 line->touch ();
929 949
930 do 950 do
931 { 951 {
932 line->t[screen.cur.col] = c; 952 line->t[screen.cur.col] = c;
933 line->r[screen.cur.col] = rend; 953 line->r[screen.cur.col] = rend;
934 954
935 if (expect_true (screen.cur.col < ncol - 1)) 955 if (ecb_likely (screen.cur.col < ncol - 1))
936 screen.cur.col++; 956 screen.cur.col++;
937 else 957 else
938 { 958 {
939 line->l = ncol; 959 line->l = ncol;
940 if (screen.flags & Screen_Autowrap) 960 if (screen.flags & Screen_Autowrap)
… …
943 goto end_of_line; 963 goto end_of_line;
944 } 964 }
945 965
946 c = NOCHAR; 966 c = NOCHAR;
947 } 967 }
948 while (expect_false (--width > 0)); 968 while (ecb_unlikely (--width > 0));
949 969
950 // pad with spaces when overwriting wide character with smaller one 970 // pad with spaces when overwriting wide character with smaller one
951 for (int c = screen.cur.col; expect_false (c < ncol && line->t[c] == NOCHAR); c++) 971 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
952 { 972 {
953 line->t[c] = ' '; 973 line->t[c] = ' ';
954 line->r[c] = rend; 974 line->r[c] = rend;
955 } 975 }
956 976
… …
1922 1942
1923# ifndef NO_MAPALERT 1943# ifndef NO_MAPALERT
1924# ifdef MAPALERT_OPTION 1944# ifdef MAPALERT_OPTION
1925 if (option (Opt_mapAlert)) 1945 if (option (Opt_mapAlert))
1926# endif 1946# endif
1927 XMapWindow (dpy, parent[0]); 1947 XMapWindow (dpy, parent);
1928# endif 1948# endif
1929 1949
1930# if ENABLE_FRILLS 1950# if ENABLE_FRILLS
1931 if (option (Opt_urgentOnBell)) 1951 if (option (Opt_urgentOnBell))
1932 set_urgency (1); 1952 set_urgency (1);
… …
1945 HOOK_INVOKE ((this, HOOK_BELL, DT_END)); 1965 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1946#endif 1966#endif
1947} 1967}
1948 1968
1949/* ------------------------------------------------------------------------- */ 1969/* ------------------------------------------------------------------------- */
1950/* ARGSUSED */
1951void 1970void
1952rxvt_term::scr_printscreen (int fullhist) NOTHROW 1971rxvt_term::scr_printscreen (int fullhist) NOTHROW
1953{ 1972{
1954#ifdef PRINTPIPE 1973#ifdef PRINTPIPE
1955 int nrows, row_start; 1974 int nrows, row_start;
… …
2233 continue; 2252 continue;
2234 2253
2235 // redraw one or more characters 2254 // redraw one or more characters
2236 2255
2237 // seek to the beginning of wide characters 2256 // seek to the beginning of wide characters
2238 while (expect_false (stp[col] == NOCHAR && col > 0)) 2257 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2239 --col; 2258 --col;
2240 2259
2241 rend_t rend = srp[col]; /* screen rendition (target rendition) */ 2260 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2242 text_t *text = stp + col; 2261 text_t *text = stp + col;
2243 int count = 1; 2262 int count = 1;
… …
2281 2300
2282 col--; /* went one too far. move back */ 2301 col--; /* went one too far. move back */
2283 count -= i; /* dump any matching trailing chars */ 2302 count -= i; /* dump any matching trailing chars */
2284 2303
2285 // sometimes we optimize away the trailing NOCHAR's, add them back 2304 // sometimes we optimize away the trailing NOCHAR's, add them back
2286 while (expect_false (i && text[count] == NOCHAR)) 2305 while (ecb_unlikely (i && text[count] == NOCHAR))
2287 count++, i--; 2306 count++, i--;
2288 2307
2289 /* 2308 /*
2290 * Determine the attributes for the string 2309 * Determine the attributes for the string
2291 */ 2310 */
2292 int fore = fgcolor_of (rend); // desired foreground 2311 int fore = fgcolor_of (rend); // desired foreground
2293 int back = bgcolor_of (rend); // desired background 2312 int back = bgcolor_of (rend); // desired background
2294 2313
2295 // only do special processing if any attributes are set, which is unlikely 2314 // only do special processing if any attributes are set, which is unlikely
2296 if (expect_false (rend & (RS_baseattrMask | RS_Careful | RS_Sel))) 2315 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2297 { 2316 {
2298 bool invert = rend & RS_RVid; 2317 bool invert = rend & RS_RVid;
2299 2318
2300#ifndef NO_BOLD_UNDERLINE_REVERSE 2319#ifndef NO_BOLD_UNDERLINE_REVERSE
2301 if (rend & RS_Bold && fore == Color_fg) 2320 if (rend & RS_Bold && fore == Color_fg)
… …
2390 /* 2409 /*
2391 * Actually do the drawing of the string here 2410 * Actually do the drawing of the string here
2392 */ 2411 */
2393 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)]; 2412 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2394 2413
2395 if (expect_true (have_bg && back == Color_bg)) 2414 if (ecb_likely (have_bg && back == Color_bg))
2396 { 2415 {
2397 // this is very ugly, maybe push it into ->draw? 2416 // this is very ugly, maybe push it into ->draw?
2398 2417
2399 for (i = 0; i < count; i++) /* don't draw empty strings */ 2418 for (i = 0; i < count; i++) /* don't draw empty strings */
2400 if (text[i] != ' ') 2419 if (text[i] != ' ')
… …
2407 did_clear: ; 2426 did_clear: ;
2408 } 2427 }
2409 else 2428 else
2410 font->draw (*drawable, xpixel, ypixel, text, count, fore, back); 2429 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2411 2430
2412 if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back)) 2431 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2413 { 2432 {
2414#if ENABLE_FRILLS 2433#if ENABLE_FRILLS
2415 if (ISSET_PIXCOLOR (Color_underline)) 2434 if (ISSET_PIXCOLOR (Color_underline))
2416 XSetForeground (dpy, gc, pix_colors[Color_underline]); 2435 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2417 else 2436 else
… …
2518 if (bg_pixmap != None) 2537 if (bg_pixmap != None)
2519 { 2538 {
2520# ifdef ENABLE_TRANSPARENCY 2539# ifdef ENABLE_TRANSPARENCY
2521 if (bg_flags & BG_IS_TRANSPARENT) 2540 if (bg_flags & BG_IS_TRANSPARENT)
2522 { 2541 {
2523 XSetWindowBackgroundPixmap (dpy, parent[0], bg_pixmap); 2542 XSetWindowBackgroundPixmap (dpy, parent, bg_pixmap);
2524 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative); 2543 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2525 2544
2526 transparent = true; 2545 transparent = true;
2527 } 2546 }
2528 else 2547 else
2529# endif 2548# endif
2530 { 2549 {
2531 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]); 2550 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2532 XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap); 2551 XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap);
2533 } 2552 }
2534 } 2553 }
2535 else 2554 else
2536#endif 2555#endif
2537 { 2556 {
2538 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]); 2557 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2539 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 2558 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2540 } 2559 }
2541 2560
2542 XClearWindow (dpy, parent[0]); 2561 XClearWindow (dpy, parent);
2543 2562
2544 if (scrollBar.win) 2563 if (scrollBar.win)
2545 { 2564 {
2546 if (transparent) 2565 if (transparent)
2547 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative); 2566 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
… …
2734 tt_paste (data, len); 2753 tt_paste (data, len);
2735} 2754}
2736 2755
2737/* ------------------------------------------------------------------------- */ 2756/* ------------------------------------------------------------------------- */
2738/* 2757/*
2739 * Respond to a notification that a primary selection has been sent 2758 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2740 * EXT: SelectionNotify 2759 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2741 */ 2760 * as fallback
2742void
2743rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2744{
2745 if (prop == None) /* check for failed XConvertSelection */
2746 {
2747 int selnum = selection_type & Sel_whereMask;
2748
2749 if (selnum == Sel_direct)
2750 selection_type = 0;
2751
2752 if ((selection_type & Sel_CompoundText))
2753 {
2754 selection_type = 0;
2755 selection_request_other (XA_STRING, selnum);
2756 }
2757
2758 if ((selection_type & Sel_UTF8String))
2759 {
2760 selection_type = Sel_CompoundText;
2761 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2762 }
2763
2764 return;
2765 }
2766
2767 unsigned long bytes_after;
2768 XTextProperty ct;
2769
2770 if (XGetWindowProperty (dpy, win, prop,
2771 0, PROP_SIZE / 4,
2772 delete_prop, AnyPropertyType,
2773 &ct.encoding, &ct.format,
2774 &ct.nitems, &bytes_after,
2775 &ct.value) != Success)
2776 {
2777 ct.value = 0;
2778 goto bailout;
2779 }
2780
2781 if (ct.encoding == None)
2782 goto bailout;
2783
2784 if (bytes_after)
2785 {
2786 // fetch and append remaining data
2787 XTextProperty ct2;
2788
2789 if (XGetWindowProperty (dpy, win, prop,
2790 ct.nitems / 4, (bytes_after + 3) / 4,
2791 delete_prop, AnyPropertyType,
2792 &ct2.encoding, &ct2.format,
2793 &ct2.nitems, &bytes_after,
2794 &ct2.value) != Success)
2795 goto bailout;
2796
2797 // realloc should be compatible to XFree, here, and elsewhere, too
2798 ct.value = (unsigned char *)rxvt_realloc (ct.value, ct.nitems + ct2.nitems + 1);
2799 memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
2800 ct.nitems += ct2.nitems;
2801
2802 XFree (ct2.value);
2803 }
2804
2805 if (ct.value == 0)
2806 goto bailout;
2807
2808 if (ct.encoding == xa[XA_INCR])
2809 {
2810 // INCR selection, start handshake
2811 if (!delete_prop)
2812 XDeleteProperty (dpy, win, prop);
2813
2814 selection_wait = Sel_incr;
2815 incr_buf_fill = 0;
2816 incr_ev.start (10);
2817
2818 goto bailout;
2819 }
2820
2821 if (ct.nitems == 0)
2822 {
2823 if (selection_wait == Sel_incr)
2824 {
2825 XFree (ct.value);
2826
2827 // finally complete, now paste the whole thing
2828 selection_wait = Sel_normal;
2829 ct.value = (unsigned char *)incr_buf;
2830 ct.nitems = incr_buf_fill;
2831 incr_buf = 0;
2832 incr_buf_size = 0;
2833 incr_ev.stop ();
2834 }
2835 else
2836 {
2837 if (selection_wait == Sel_normal
2838 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2839 {
2840 /*
2841 * pass through again trying CUT_BUFFER0 if we've come from
2842 * XConvertSelection () but nothing was presented
2843 */
2844 selection_paste (display->root, XA_CUT_BUFFER0, false);
2845 }
2846
2847 goto bailout;
2848 }
2849 }
2850 else if (selection_wait == Sel_incr)
2851 {
2852 incr_ev.start (10);
2853
2854 while (incr_buf_fill + ct.nitems > incr_buf_size)
2855 {
2856 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2857 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
2858 }
2859
2860 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2861 incr_buf_fill += ct.nitems;
2862
2863 goto bailout;
2864 }
2865
2866 char **cl;
2867 int cr;
2868
2869#if !ENABLE_MINIMAL
2870 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2871 // so recode it manually
2872 if (ct.encoding == xa[XA_UTF8_STRING])
2873 {
2874 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2875 char *s = rxvt_wcstombs (w);
2876 free (w);
2877 // TODO: strlen == only the first element will be converted. well...
2878 paste (s, strlen (s));
2879 free (s);
2880 }
2881 else
2882#endif
2883 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
2884 && cl)
2885 {
2886 for (int i = 0; i < cr; i++)
2887 paste (cl[i], strlen (cl[i]));
2888
2889 XFreeStringList (cl);
2890 }
2891 else
2892 paste ((char *)ct.value, ct.nitems); // paste raw
2893
2894bailout:
2895 XFree (ct.value);
2896
2897 if (selection_wait == Sel_normal)
2898 selection_wait = Sel_none;
2899}
2900
2901void
2902rxvt_term::incr_cb (ev::timer &w, int revents) NOTHROW
2903{
2904 selection_wait = Sel_none;
2905
2906 incr_buf_size = 0;
2907 free (incr_buf);
2908
2909 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2910}
2911
2912void
2913rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2914{
2915 if (prop == None || selection_wait != Sel_incr)
2916 return;
2917
2918 selection_paste (win, prop, true);
2919}
2920
2921/* ------------------------------------------------------------------------- */
2922/*
2923 * Request the current selection:
2924 * Order: > internal selection if available
2925 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)
2926 * > CUT_BUFFER0
2927 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2928 * will auto fallback to CUT_BUFFER0
2929 * EXT: button 2 release 2761 * EXT: button 2 release
2930 */ 2762 */
2931void 2763void
2932rxvt_term::selection_request (Time tm, int selnum) NOTHROW 2764rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2933{ 2765{
2934 if (selection.text && selnum == Sel_Primary) 2766 if (!selection_req)
2935 {
2936 /* internal selection */
2937 char *str = rxvt_wcstombs (selection.text, selection.len);
2938 paste (str, strlen (str));
2939 free (str);
2940 return;
2941 } 2767 {
2942 else 2768 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2769 selection_req->run ();
2943 { 2770 }
2944 selection_request_time = tm;
2945 selection_wait = Sel_normal;
2946
2947#if X_HAVE_UTF8_STRING
2948 selection_type = Sel_UTF8String;
2949 if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2950 return;
2951#else
2952 selection_type = Sel_CompoundText;
2953 if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2954 return;
2955#endif
2956 }
2957
2958 selection_wait = Sel_none; /* don't loop in selection_paste () */
2959 selection_paste (display->root, XA_CUT_BUFFER0, false);
2960}
2961
2962int
2963rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2964{
2965 Atom sel;
2966
2967 selection_type |= selnum;
2968
2969 if (selnum == Sel_Primary)
2970 sel = XA_PRIMARY;
2971 else if (selnum == Sel_Secondary)
2972 sel = XA_SECONDARY;
2973 else
2974 sel = xa[XA_CLIPBOARD];
2975
2976 if (XGetSelectionOwner (dpy, sel) != None)
2977 {
2978 XConvertSelection (dpy, sel, target, xa[XA_VT_SELECTION],
2979 vt, selection_request_time);
2980 return 1;
2981 }
2982
2983 return 0;
2984} 2771}
2985 2772
2986/* ------------------------------------------------------------------------- */ 2773/* ------------------------------------------------------------------------- */
2987/* 2774/*
2988 * Clear all selected text 2775 * Clear all selected text
… …
3632 * EXT: SelectionRequest 3419 * EXT: SelectionRequest
3633 */ 3420 */
3634void 3421void
3635rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW 3422rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3636{ 3423{
3424 Atom property = rq.property == None ? rq.target : rq.property;
3637 XSelectionEvent ev; 3425 XSelectionEvent ev;
3638 3426
3639 ev.type = SelectionNotify; 3427 ev.type = SelectionNotify;
3640 ev.property = None; 3428 ev.property = None;
3641 ev.display = rq.display; 3429 ev.display = rq.display;
… …
3656 *target++ = xa[XA_COMPOUND_TEXT]; 3444 *target++ = xa[XA_COMPOUND_TEXT];
3657#if X_HAVE_UTF8_STRING 3445#if X_HAVE_UTF8_STRING
3658 *target++ = xa[XA_UTF8_STRING]; 3446 *target++ = xa[XA_UTF8_STRING];
3659#endif 3447#endif
3660 3448
3661 XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM, 3449 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3662 32, PropModeReplace, 3450 32, PropModeReplace,
3663 (unsigned char *)target_list, target - target_list); 3451 (unsigned char *)target_list, target - target_list);
3664 ev.property = rq.property; 3452 ev.property = property;
3665 } 3453 }
3666#if TODO // TODO 3454#if TODO // TODO
3667 else if (rq.target == xa[XA_MULTIPLE]) 3455 else if (rq.target == xa[XA_MULTIPLE])
3668 { 3456 {
3669 /* TODO: Handle MULTIPLE */ 3457 /* TODO: Handle MULTIPLE */
3670 } 3458 }
3671#endif 3459#endif
3672 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text) 3460 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3673 { 3461 {
3674 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3462 XChangeProperty (dpy, rq.requestor, property, rq.target,
3675 32, PropModeReplace, (unsigned char *)&selection_time, 1); 3463 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3676 ev.property = rq.property; 3464 ev.property = property;
3677 } 3465 }
3678 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text) 3466 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3679 { 3467 {
3680 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3468 XChangeProperty (dpy, rq.requestor, property, rq.target,
3681 32, PropModeReplace, (unsigned char *)&clipboard_time, 1); 3469 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3682 ev.property = rq.property; 3470 ev.property = property;
3683 } 3471 }
3684 else if (rq.target == XA_STRING 3472 else if (rq.target == XA_STRING
3685 || rq.target == xa[XA_TEXT] 3473 || rq.target == xa[XA_TEXT]
3686 || rq.target == xa[XA_COMPOUND_TEXT] 3474 || rq.target == xa[XA_COMPOUND_TEXT]
3687 || rq.target == xa[XA_UTF8_STRING] 3475 || rq.target == xa[XA_UTF8_STRING]
… …
3758 ct.value = (unsigned char *)cl; 3546 ct.value = (unsigned char *)cl;
3759 ct.nitems = selectlen; 3547 ct.nitems = selectlen;
3760 ct.encoding = target; 3548 ct.encoding = target;
3761 } 3549 }
3762 3550
3763 XChangeProperty (dpy, rq.requestor, rq.property, 3551 XChangeProperty (dpy, rq.requestor, property,
3764 ct.encoding, 8, PropModeReplace, 3552 ct.encoding, 8, PropModeReplace,
3765 ct.value, (int)ct.nitems); 3553 ct.value, (int)ct.nitems);
3766 ev.property = rq.property; 3554 ev.property = property;
3767 3555
3768 if (freect) 3556 if (freect)
3769 XFree (ct.value); 3557 XFree (ct.value);
3770 } 3558 }
3771 3559

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