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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 1.382 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 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 2744 * EXT: button 2 release
2930 */ 2745 */
2931void 2746void
2932rxvt_term::selection_request (Time tm, int selnum) NOTHROW 2747rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2933{ 2748{
2934 if (selection.text && selnum == Sel_Primary) 2749 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 } 2750 {
2942 else 2751 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2752 selection_req->run ();
2943 { 2753 }
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} 2754}
2985 2755
2986/* ------------------------------------------------------------------------- */ 2756/* ------------------------------------------------------------------------- */
2987/* 2757/*
2988 * Clear all selected text 2758 * Clear all selected text
… …
3632 * EXT: SelectionRequest 3402 * EXT: SelectionRequest
3633 */ 3403 */
3634void 3404void
3635rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW 3405rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3636{ 3406{
3407 Atom property = rq.property == None ? rq.target : rq.property;
3637 XSelectionEvent ev; 3408 XSelectionEvent ev;
3638 3409
3639 ev.type = SelectionNotify; 3410 ev.type = SelectionNotify;
3640 ev.property = None; 3411 ev.property = None;
3641 ev.display = rq.display; 3412 ev.display = rq.display;
… …
3656 *target++ = xa[XA_COMPOUND_TEXT]; 3427 *target++ = xa[XA_COMPOUND_TEXT];
3657#if X_HAVE_UTF8_STRING 3428#if X_HAVE_UTF8_STRING
3658 *target++ = xa[XA_UTF8_STRING]; 3429 *target++ = xa[XA_UTF8_STRING];
3659#endif 3430#endif
3660 3431
3661 XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM, 3432 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3662 32, PropModeReplace, 3433 32, PropModeReplace,
3663 (unsigned char *)target_list, target - target_list); 3434 (unsigned char *)target_list, target - target_list);
3664 ev.property = rq.property; 3435 ev.property = property;
3665 } 3436 }
3666#if TODO // TODO 3437#if TODO // TODO
3667 else if (rq.target == xa[XA_MULTIPLE]) 3438 else if (rq.target == xa[XA_MULTIPLE])
3668 { 3439 {
3669 /* TODO: Handle MULTIPLE */ 3440 /* TODO: Handle MULTIPLE */
3670 } 3441 }
3671#endif 3442#endif
3672 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)
3673 { 3444 {
3674 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3445 XChangeProperty (dpy, rq.requestor, property, rq.target,
3675 32, PropModeReplace, (unsigned char *)&selection_time, 1); 3446 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3676 ev.property = rq.property; 3447 ev.property = property;
3677 } 3448 }
3678 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)
3679 { 3450 {
3680 XChangeProperty (dpy, rq.requestor, rq.property, rq.target, 3451 XChangeProperty (dpy, rq.requestor, property, rq.target,
3681 32, PropModeReplace, (unsigned char *)&clipboard_time, 1); 3452 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3682 ev.property = rq.property; 3453 ev.property = property;
3683 } 3454 }
3684 else if (rq.target == XA_STRING 3455 else if (rq.target == XA_STRING
3685 || rq.target == xa[XA_TEXT] 3456 || rq.target == xa[XA_TEXT]
3686 || rq.target == xa[XA_COMPOUND_TEXT] 3457 || rq.target == xa[XA_COMPOUND_TEXT]
3687 || rq.target == xa[XA_UTF8_STRING] 3458 || rq.target == xa[XA_UTF8_STRING]
… …
3758 ct.value = (unsigned char *)cl; 3529 ct.value = (unsigned char *)cl;
3759 ct.nitems = selectlen; 3530 ct.nitems = selectlen;
3760 ct.encoding = target; 3531 ct.encoding = target;
3761 } 3532 }
3762 3533
3763 XChangeProperty (dpy, rq.requestor, rq.property, 3534 XChangeProperty (dpy, rq.requestor, property,
3764 ct.encoding, 8, PropModeReplace, 3535 ct.encoding, 8, PropModeReplace,
3765 ct.value, (int)ct.nitems); 3536 ct.value, (int)ct.nitems);
3766 ev.property = rq.property; 3537 ev.property = property;
3767 3538
3768 if (freect) 3539 if (freect)
3769 XFree (ct.value); 3540 XFree (ct.value);
3770 } 3541 }
3771 3542

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