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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.366 by sf-exg, Fri Jan 28 00:08:58 2011 UTC vs.
Revision 1.382 by sf-exg, Tue Apr 26 16:19:45 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;
1922 1924
1923# ifndef NO_MAPALERT 1925# ifndef NO_MAPALERT
1924# ifdef MAPALERT_OPTION 1926# ifdef MAPALERT_OPTION
1925 if (option (Opt_mapAlert)) 1927 if (option (Opt_mapAlert))
1926# endif 1928# endif
1927 XMapWindow (dpy, parent[0]); 1929 XMapWindow (dpy, parent);
1928# endif 1930# endif
1929 1931
1930# if ENABLE_FRILLS 1932# if ENABLE_FRILLS
1931 if (option (Opt_urgentOnBell)) 1933 if (option (Opt_urgentOnBell))
1932 set_urgency (1); 1934 set_urgency (1);
2518 if (bg_pixmap != None) 2520 if (bg_pixmap != None)
2519 { 2521 {
2520# ifdef ENABLE_TRANSPARENCY 2522# ifdef ENABLE_TRANSPARENCY
2521 if (bg_flags & BG_IS_TRANSPARENT) 2523 if (bg_flags & BG_IS_TRANSPARENT)
2522 { 2524 {
2523 XSetWindowBackgroundPixmap (dpy, parent[0], bg_pixmap); 2525 XSetWindowBackgroundPixmap (dpy, parent, bg_pixmap);
2524 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative); 2526 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2525 2527
2526 transparent = true; 2528 transparent = true;
2527 } 2529 }
2528 else 2530 else
2529# endif 2531# endif
2530 { 2532 {
2531 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]); 2533 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2532 XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap); 2534 XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap);
2533 } 2535 }
2534 } 2536 }
2535 else 2537 else
2536#endif 2538#endif
2537 { 2539 {
2538 XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]); 2540 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2539 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 2541 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2540 } 2542 }
2541 2543
2542 XClearWindow (dpy, parent[0]); 2544 XClearWindow (dpy, parent);
2543 2545
2544 if (scrollBar.win) 2546 if (scrollBar.win)
2545 { 2547 {
2546 if (transparent) 2548 if (transparent)
2547 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative); 2549 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2734 tt_paste (data, len); 2736 tt_paste (data, len);
2735} 2737}
2736 2738
2737/* ------------------------------------------------------------------------- */ 2739/* ------------------------------------------------------------------------- */
2738/* 2740/*
2739 * Respond to a notification that a primary selection has been sent 2741 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2740 * EXT: SelectionNotify 2742 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2741 */ 2743 * 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 if ((selection_type & Sel_CompoundText))
2748 {
2749 int selnum = selection_type & Sel_whereMask;
2750
2751 selection_type = 0;
2752 if (selnum != Sel_direct)
2753 selection_request_other (XA_STRING, selnum);
2754 }
2755
2756 if ((selection_type & Sel_UTF8String))
2757 {
2758 int selnum = selection_type & Sel_whereMask;
2759
2760 selection_type = Sel_CompoundText;
2761 if (selnum != Sel_direct)
2762 selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2763 else
2764 selection_type = 0;
2765 }
2766
2767 return;
2768 }
2769
2770 unsigned long bytes_after;
2771 XTextProperty ct;
2772
2773 if (XGetWindowProperty (dpy, win, prop,
2774 0, PROP_SIZE / 4,
2775 delete_prop, AnyPropertyType,
2776 &ct.encoding, &ct.format,
2777 &ct.nitems, &bytes_after,
2778 &ct.value) != Success)
2779 {
2780 ct.value = 0;
2781 goto bailout;
2782 }
2783
2784 if (ct.encoding == None)
2785 goto bailout;
2786
2787 if (bytes_after)
2788 {
2789 // fetch and append remaining data
2790 XTextProperty ct2;
2791
2792 if (XGetWindowProperty (dpy, win, prop,
2793 ct.nitems / 4, (bytes_after + 3) / 4,
2794 delete_prop, AnyPropertyType,
2795 &ct2.encoding, &ct2.format,
2796 &ct2.nitems, &bytes_after,
2797 &ct2.value) != Success)
2798 goto bailout;
2799
2800 // realloc should be compatible to XFree, here, and elsewhere, too
2801 ct.value = (unsigned char *)rxvt_realloc (ct.value, ct.nitems + ct2.nitems + 1);
2802 memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
2803 ct.nitems += ct2.nitems;
2804
2805 XFree (ct2.value);
2806 }
2807
2808 if (ct.value == 0)
2809 goto bailout;
2810
2811 if (ct.encoding == xa[XA_INCR])
2812 {
2813 // INCR selection, start handshake
2814 if (!delete_prop)
2815 XDeleteProperty (dpy, win, prop);
2816
2817 selection_wait = Sel_incr;
2818 incr_buf_fill = 0;
2819 incr_ev.start (10);
2820
2821 goto bailout;
2822 }
2823
2824 if (ct.nitems == 0)
2825 {
2826 if (selection_wait == Sel_incr)
2827 {
2828 XFree (ct.value);
2829
2830 // finally complete, now paste the whole thing
2831 selection_wait = Sel_normal;
2832 ct.value = (unsigned char *)incr_buf;
2833 ct.nitems = incr_buf_fill;
2834 incr_buf = 0;
2835 incr_buf_size = 0;
2836 incr_ev.stop ();
2837 }
2838 else
2839 {
2840 if (selection_wait == Sel_normal
2841 && (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2842 {
2843 /*
2844 * pass through again trying CUT_BUFFER0 if we've come from
2845 * XConvertSelection () but nothing was presented
2846 */
2847 selection_paste (display->root, XA_CUT_BUFFER0, False);
2848 }
2849
2850 goto bailout;
2851 }
2852 }
2853 else if (selection_wait == Sel_incr)
2854 {
2855 incr_ev.start (10);
2856
2857 while (incr_buf_fill + ct.nitems > incr_buf_size)
2858 {
2859 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2860 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
2861 }
2862
2863 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2864 incr_buf_fill += ct.nitems;
2865
2866 goto bailout;
2867 }
2868
2869 char **cl;
2870 int cr;
2871
2872#if !ENABLE_MINIMAL
2873 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2874 // so recode it manually
2875 if (ct.encoding == xa[XA_UTF8_STRING])
2876 {
2877 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2878 char *s = rxvt_wcstombs (w);
2879 free (w);
2880 // TODO: strlen == only the first element will be converted. well...
2881 paste (s, strlen (s));
2882 free (s);
2883 }
2884 else
2885#endif
2886 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
2887 && cl)
2888 {
2889 for (int i = 0; i < cr; i++)
2890 paste (cl[i], strlen (cl[i]));
2891
2892 XFreeStringList (cl);
2893 }
2894 else
2895 paste ((char *)ct.value, ct.nitems); // paste raw
2896
2897bailout:
2898 XFree (ct.value);
2899
2900 if (selection_wait == Sel_normal)
2901 selection_wait = Sel_none;
2902}
2903
2904void
2905rxvt_term::incr_cb (ev::timer &w, int revents) NOTHROW
2906{
2907 selection_wait = Sel_none;
2908
2909 incr_buf_size = 0;
2910 free (incr_buf);
2911
2912 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2913}
2914
2915void
2916rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2917{
2918 if (prop == None || selection_wait != Sel_incr)
2919 return;
2920
2921 selection_paste (win, prop, true);
2922}
2923
2924/* ------------------------------------------------------------------------- */
2925/*
2926 * Request the current selection:
2927 * Order: > internal selection if available
2928 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)
2929 * > CUT_BUFFER0
2930 * (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2931 * will auto fallback to CUT_BUFFER0
2932 * EXT: button 2 release 2744 * EXT: button 2 release
2933 */ 2745 */
2934void 2746void
2935rxvt_term::selection_request (Time tm, int selnum) NOTHROW 2747rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2936{ 2748{
2937 if (selection.text && selnum == Sel_Primary) 2749 if (!selection_req)
2938 {
2939 /* internal selection */
2940 char *str = rxvt_wcstombs (selection.text, selection.len);
2941 paste (str, strlen (str));
2942 free (str);
2943 return;
2944 } 2750 {
2945 else 2751 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2752 selection_req->run ();
2946 { 2753 }
2947 selection_request_time = tm;
2948 selection_wait = Sel_normal;
2949
2950#if X_HAVE_UTF8_STRING
2951 selection_type = Sel_UTF8String;
2952 if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2953 return;
2954#else
2955 selection_type = Sel_CompoundText;
2956 if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2957 return;
2958#endif
2959 }
2960
2961 selection_wait = Sel_none; /* don't loop in selection_paste () */
2962 selection_paste (display->root, XA_CUT_BUFFER0, false);
2963}
2964
2965int
2966rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2967{
2968 Atom sel;
2969
2970 selection_type |= selnum;
2971
2972 if (selnum == Sel_Primary)
2973 sel = XA_PRIMARY;
2974 else if (selnum == Sel_Secondary)
2975 sel = XA_SECONDARY;
2976 else
2977 sel = xa[XA_CLIPBOARD];
2978
2979 if (XGetSelectionOwner (dpy, sel) != None)
2980 {
2981 XConvertSelection (dpy, sel, target, xa[XA_VT_SELECTION],
2982 vt, selection_request_time);
2983 return 1;
2984 }
2985
2986 return 0;
2987} 2754}
2988 2755
2989/* ------------------------------------------------------------------------- */ 2756/* ------------------------------------------------------------------------- */
2990/* 2757/*
2991 * Clear all selected text 2758 * Clear all selected text
3635 * EXT: SelectionRequest 3402 * EXT: SelectionRequest
3636 */ 3403 */
3637void 3404void
3638rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW 3405rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3639{ 3406{
3407 Atom property = rq.property == None ? rq.target : rq.property;
3640 XSelectionEvent ev; 3408 XSelectionEvent ev;
3641 3409
3642 ev.type = SelectionNotify; 3410 ev.type = SelectionNotify;
3643 ev.property = None; 3411 ev.property = None;
3644 ev.display = rq.display; 3412 ev.display = rq.display;
3659 *target++ = xa[XA_COMPOUND_TEXT]; 3427 *target++ = xa[XA_COMPOUND_TEXT];
3660#if X_HAVE_UTF8_STRING 3428#if X_HAVE_UTF8_STRING
3661 *target++ = xa[XA_UTF8_STRING]; 3429 *target++ = xa[XA_UTF8_STRING];
3662#endif 3430#endif
3663 3431
3664 XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM, 3432 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3665 32, PropModeReplace, 3433 32, PropModeReplace,
3666 (unsigned char *)target_list, target - target_list); 3434 (unsigned char *)target_list, target - target_list);
3667 ev.property = rq.property; 3435 ev.property = property;
3668 } 3436 }
3669#if TODO // TODO 3437#if TODO // TODO
3670 else if (rq.target == xa[XA_MULTIPLE]) 3438 else if (rq.target == xa[XA_MULTIPLE])
3671 { 3439 {
3672 /* TODO: Handle MULTIPLE */ 3440 /* TODO: Handle MULTIPLE */
3673 } 3441 }
3674#endif 3442#endif
3675 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text) 3443 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3676 { 3444 {
3677 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3445 XChangeProperty (dpy, rq.requestor, property, rq.target,
3678 32, PropModeReplace, (unsigned char *)&selection_time, 1); 3446 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3679 ev.property = rq.property; 3447 ev.property = property;
3680 } 3448 }
3681 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text) 3449 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3682 { 3450 {
3683 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3451 XChangeProperty (dpy, rq.requestor, property, rq.target,
3684 32, PropModeReplace, (unsigned char *)&clipboard_time, 1); 3452 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3685 ev.property = rq.property; 3453 ev.property = property;
3686 } 3454 }
3687 else if (rq.target == XA_STRING 3455 else if (rq.target == XA_STRING
3688 || rq.target == xa[XA_TEXT] 3456 || rq.target == xa[XA_TEXT]
3689 || rq.target == xa[XA_COMPOUND_TEXT] 3457 || rq.target == xa[XA_COMPOUND_TEXT]
3690 || rq.target == xa[XA_UTF8_STRING] 3458 || rq.target == xa[XA_UTF8_STRING]
3761 ct.value = (unsigned char *)cl; 3529 ct.value = (unsigned char *)cl;
3762 ct.nitems = selectlen; 3530 ct.nitems = selectlen;
3763 ct.encoding = target; 3531 ct.encoding = target;
3764 } 3532 }
3765 3533
3766 XChangeProperty (dpy, rq.requestor, rq.property, 3534 XChangeProperty (dpy, rq.requestor, property,
3767 ct.encoding, 8, PropModeReplace, 3535 ct.encoding, 8, PropModeReplace,
3768 ct.value, (int)ct.nitems); 3536 ct.value, (int)ct.nitems);
3769 ev.property = rq.property; 3537 ev.property = property;
3770 3538
3771 if (freect) 3539 if (freect)
3772 XFree (ct.value); 3540 XFree (ct.value);
3773 } 3541 }
3774 3542

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