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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.1 by root, Sun Aug 15 00:37:04 2004 UTC vs.
Revision 1.145 by root, Sat Dec 13 10:47:32 2014 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: rxvtcolor.C 2 * File: rxvttoolkit.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * 4 *
5 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2011 Marc Lehmann <schmorp@schmorp.de>
7 * Copyright (c) 2011 Emanuele Giaquinta <e.giaquinta@glauco.it>
7 * 8 *
8 * This program is free software; you can redistribute it and/or modify 9 * 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 10 * 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 11 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version. 12 * (at your option) any later version.
12 * 13 *
13 * This program is distributed in the hope that it will be useful, 14 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
25#include <rxvttoolkit.h> 26#include <rxvttoolkit.h>
26 27
27#include <unistd.h> 28#include <unistd.h>
28#include <fcntl.h> 29#include <fcntl.h>
29 30
30#ifndef NO_SLOW_LINK_SUPPORT 31#include <sys/utsname.h>
31# include <sys/socket.h> 32#include <sys/socket.h>
32# include <sys/un.h> 33#include <sys/un.h>
34
35#if XFT
36# include <X11/extensions/Xrender.h>
37#endif
38
39static const char *const xa_names[] =
40{
41 "TEXT",
42 "COMPOUND_TEXT",
43 "UTF8_STRING",
44 "MULTIPLE",
45 "TARGETS",
46 "TIMESTAMP",
47 "VT_SELECTION",
48 "INCR",
49 "WM_PROTOCOLS",
50 "WM_DELETE_WINDOW",
51 "CLIPBOARD",
52 "AVERAGE_WIDTH",
53 "WEIGHT_NAME",
54 "SLANT",
55 "CHARSET_REGISTRY",
56 "CHARSET_ENCODING",
57#if ENABLE_FRILLS
58 "_MOTIF_WM_HINTS",
59#endif
60#if ENABLE_EWMH
61 "_NET_WM_PID",
62 "_NET_WM_NAME",
63 "_NET_WM_ICON_NAME",
64 "_NET_WM_PING",
65 "_NET_WM_ICON",
66#endif
67#if USE_XIM
68 "WM_LOCALE_NAME",
69 "XIM_SERVERS",
70#endif
71#if HAVE_IMG || ENABLE_PERL
72 "_XROOTPMAP_ID",
73 "ESETROOT_PMAP_ID",
74#endif
75#if ENABLE_XEMBED
76 "_XEMBED",
77 "_XEMBED_INFO",
78#endif
79#if !ENABLE_MINIMAL
80 "SCREEN_RESOURCES",
81 "XDCCC_LINEAR_RGB_CORRECTION",
82 "XDCCC_LINEAR_RGB_MATRICES",
83 "WM_COLORMAP_WINDOWS",
84 "WM_STATE",
85 "cursor",
86# if USE_XIM
87 "TRANSPORT",
88 "LOCALES",
89 "_XIM_PROTOCOL",
90 "_XIM_XCONNECT",
91 "_XIM_MOREDATA",
33#endif 92# endif
93#endif
94};
95
96/////////////////////////////////////////////////////////////////////////////
34 97
35refcounted::refcounted (const char *id) 98refcounted::refcounted (const char *id)
36{ 99{
37 this->id = STRDUP (id); 100 this->id = strdup (id);
38} 101}
39 102
40refcounted::~refcounted () 103refcounted::~refcounted ()
41{ 104{
42 free (id); 105 free (id);
… …
47{ 110{
48 for (T **i = this->begin (); i < this->end (); ++i) 111 for (T **i = this->begin (); i < this->end (); ++i)
49 { 112 {
50 if (!strcmp (id, (*i)->id)) 113 if (!strcmp (id, (*i)->id))
51 { 114 {
52 (*i)->referenced++; 115 ++(*i)->referenced;
116 (*i)->ref_next ();
53 return *i; 117 return *i;
54 } 118 }
55 } 119 }
56 120
57 T *obj = new T (id); 121 T *obj = new T (id);
58 122
59 obj->referenced = 1;
60
61 if (obj && obj->init ()) 123 if (obj && obj->ref_init ())
62 { 124 {
125 obj->referenced = 1;
63 this->push_back (obj); 126 this->push_back (obj);
64 return obj; 127 return obj;
65 } 128 }
66 else 129 else
67 { 130 {
… …
82 delete obj; 145 delete obj;
83 } 146 }
84} 147}
85 148
86template<class T> 149template<class T>
87refcache<T>::~refcache () 150void refcache<T>::clear ()
88{ 151{
89 while (this->size ()) 152 while (this->size ())
90 put (*this->begin ()); 153 put (*this->begin ());
91} 154}
92 155
93///////////////////////////////////////////////////////////////////////////// 156/////////////////////////////////////////////////////////////////////////////
94 157
95#ifdef USE_XIM 158#if USE_XIM
159
96static void 160static void
97#if XIMCB_PROTO_BROKEN 161#if XIMCB_PROTO_BROKEN
98im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) 162im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3)
99#else 163#else
100im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3) 164im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3)
101#endif 165#endif
102{ 166{
103 rxvt_xim *xim = (rxvt_xim *)client_data; 167 rxvt_xim *xim = (rxvt_xim *)client_data;
104 rxvt_display *display = xim->display; 168 rxvt_display *display = xim->display;
105 169
170 xim->xim = 0;
171
106 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim)); 172 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim));
107
108 display->im_change_cb (); 173 display->im_change_cb ();
109} 174}
110 175
176bool
111bool rxvt_xim::init () 177rxvt_xim::ref_init ()
112{ 178{
113 display = GET_R->display; //HACK: TODO 179 display = GET_R->display; //HACK: TODO
114 180
115 xim = XOpenIM (display->display, NULL, NULL, NULL); 181 xim = XOpenIM (display->dpy, 0, 0, 0);
116 182
117 if (!xim) 183 if (!xim)
118 return false; 184 return false;
119 185
120 XIMCallback ximcallback; 186 XIMCallback ximcallback;
121 ximcallback.client_data = (XPointer)this; 187 ximcallback.client_data = (XPointer)this;
122 ximcallback.callback = im_destroy_cb; 188 ximcallback.callback = im_destroy_cb;
123 189
124 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 190 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
125 191
126 return true; 192 return true;
127} 193}
128 194
129rxvt_xim::~rxvt_xim () 195rxvt_xim::~rxvt_xim ()
130{ 196{
131 if (xim) 197 if (xim)
132 XCloseIM (xim); 198 XCloseIM (xim);
133} 199}
200
134#endif 201#endif
202
203/////////////////////////////////////////////////////////////////////////////
204
205#if XFT
206rxvt_drawable::~rxvt_drawable ()
207{
208 if (xftdrawable)
209 XftDrawDestroy (xftdrawable);
210}
211
212rxvt_drawable::operator XftDraw *()
213{
214 if (!xftdrawable)
215 xftdrawable = XftDrawCreate (screen->dpy, drawable, screen->visual, screen->cmap);
216
217 return xftdrawable;
218}
219#endif
220
221/////////////////////////////////////////////////////////////////////////////
222
223#if XFT
224
225// not strictly necessary as it is only used with superclass of zero_initialised
226rxvt_screen::rxvt_screen ()
227: scratch_area (0)
228{
229}
230
231rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h)
232{
233 if (!scratch_area || w > scratch_w || h > scratch_h)
234 {
235 if (scratch_area)
236 {
237 XFreePixmap (dpy, scratch_area->drawable);
238 delete scratch_area;
239 }
240
241 Pixmap pm = XCreatePixmap (dpy, RootWindowOfScreen (ScreenOfDisplay (dpy, display->screen)),
242 scratch_w = w, scratch_h = h, depth);
243
244 scratch_area = new rxvt_drawable (this, pm);
245 }
246
247 return *scratch_area;
248}
249
250#endif
251
252void
253rxvt_screen::set (rxvt_display *disp)
254{
255 display = disp;
256 dpy = disp->dpy;
257
258 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
259
260 depth = DefaultDepthOfScreen (screen);
261 visual = DefaultVisualOfScreen (screen);
262 cmap = DefaultColormapOfScreen (screen);
263}
264
265#if ENABLE_FRILLS
266
267void
268rxvt_screen::select_visual (int id)
269{
270 XVisualInfo vinfo;
271 vinfo.visualid = id;
272 int n;
273
274 if (XVisualInfo *vi = XGetVisualInfo (dpy, VisualIDMask, &vinfo, &n))
275 {
276 depth = vi->depth;
277 visual = vi->visual;
278
279 XFree (vi);
280
281 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
282 }
283 else
284 rxvt_warn ("no visual found for requested id 0x%02x, using default visual.\n", id);
285}
286
287void
288rxvt_screen::select_depth (int bitdepth)
289{
290 XVisualInfo vinfo;
291
292 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
293 select_visual (vinfo.visualid);
294 else
295 rxvt_warn ("no visual found for requested depth %d, using default visual.\n", bitdepth);
296}
297
298#endif
299
300void
301rxvt_screen::clear ()
302{
303#if XFT
304 if (scratch_area)
305 {
306 XFreePixmap (dpy, scratch_area->drawable);
307 delete scratch_area;
308 }
309#endif
310
311 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
312 XFreeColormap (dpy, cmap);
313}
135 314
136///////////////////////////////////////////////////////////////////////////// 315/////////////////////////////////////////////////////////////////////////////
137 316
138rxvt_display::rxvt_display (const char *id) 317rxvt_display::rxvt_display (const char *id)
139: refcounted (id) 318: refcounted (id)
140, x_ev (this, &rxvt_display::x_cb)
141, selection_owner (0) 319, selection_owner (0)
320, clipboard_owner (0)
142{ 321{
322 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
323 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
143} 324}
144 325
326XrmDatabase
327rxvt_display::get_resources (bool refresh)
328{
329 char *homedir = getenv ("HOME");
330 char fname[1024];
331
332 /*
333 * get resources using the X library function
334 */
335 char *displayResource, *xe;
336 XrmDatabase rdb1, database = 0;
337
338#if !XLIB_ILLEGAL_ACCESS
339 /* work around a bug in XrmSetDatabase where it frees the db, see ref_next */
340 database = XrmGetStringDatabase ("");
341#endif
342
343 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
344 // as opposed to "standard practise", we always read in ~/.Xdefaults
345
346 // 6. System wide per application default file.
347
348 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
349 if ((xe = getenv ("XAPPLRESDIR")))
350 {
351 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
352
353 if ((rdb1 = XrmGetFileDatabase (fname)))
354 XrmMergeDatabases (rdb1, &database);
355 }
356
357 // 5. User's per application default file.
358 // none
359
360 // 4. User's defaults file.
361 if (homedir)
362 {
363 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
364
365 if ((rdb1 = XrmGetFileDatabase (fname)))
366 XrmMergeDatabases (rdb1, &database);
367 }
368
369 /* Get any Xserver defaults */
370 if (refresh)
371 {
372 // fucking xlib keeps a copy of the rm string
373 Atom actual_type;
374 int actual_format;
375 unsigned long nitems, nremaining;
376 char *val = 0;
377
378#if XLIB_ILLEGAL_ACCESS
379 if (dpy->xdefaults)
380 XFree (dpy->xdefaults);
381#endif
382
383 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
384 0L, 100000000L, False,
385 XA_STRING, &actual_type, &actual_format,
386 &nitems, &nremaining,
387 (unsigned char **)&val) == Success
388 && actual_type == XA_STRING
389 && actual_format == 8)
390 displayResource = val;
391 else
392 {
393 displayResource = 0;
394
395 if (val)
396 XFree (val);
397 }
398
399#if XLIB_ILLEGAL_ACCESS
400 dpy->xdefaults = displayResource;
401#endif
402 }
403 else
404 displayResource = XResourceManagerString (dpy);
405
406 if (displayResource)
407 {
408 if ((rdb1 = XrmGetStringDatabase (displayResource)))
409 XrmMergeDatabases (rdb1, &database);
410 }
411
412#if !XLIB_ILLEGAL_ACCESS
413 if (refresh && displayResource)
414 XFree (displayResource);
415#endif
416
417 /* Get screen specific resources */
418 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
419
420 if (displayResource)
421 {
422 if ((rdb1 = XrmGetStringDatabase (displayResource)))
423 /* Merge with screen-independent resources */
424 XrmMergeDatabases (rdb1, &database);
425
426 XFree (displayResource);
427 }
428
429 // 3. User's per host defaults file
430 /* Add in XENVIRONMENT file */
431 if ((xe = getenv ("XENVIRONMENT"))
432 && (rdb1 = XrmGetFileDatabase (xe)))
433 XrmMergeDatabases (rdb1, &database);
434 else if (homedir)
435 {
436 struct utsname un;
437
438 if (!uname (&un))
439 {
440 snprintf (fname, sizeof (fname), "%s/.Xdefaults-%s", homedir, un.nodename);
441
442 if ((rdb1 = XrmGetFileDatabase (fname)))
443 XrmMergeDatabases (rdb1, &database);
444 }
445 }
446
447 return database;
448}
449
145bool rxvt_display::init () 450bool rxvt_display::ref_init ()
146{ 451{
452#ifdef LOCAL_X_IS_UNIX
453 if (id[0] == ':')
454 {
455 char *val = rxvt_temp_buf<char> (5 + strlen (id) + 1);
456
457 strcpy (val, "unix/");
458 strcat (val, id);
459
460 dpy = XOpenDisplay (val);
461 }
462 else
463#endif
464 dpy = 0;
465
466 if (!dpy)
147 display = XOpenDisplay (id); 467 dpy = XOpenDisplay (id);
148 468
149 if (!display) 469 if (!dpy)
150 return false; 470 return false;
151 471
152 screen = DefaultScreen (display); 472 screen = DefaultScreen (dpy);
153 root = DefaultRootWindow (display); 473 root = DefaultRootWindow (dpy);
154 visual = DefaultVisual (display, screen);
155 cmap = DefaultColormap (display, screen);
156 depth = DefaultDepth (display, screen);
157 474
475 assert (ecb_array_length (xa_names) == NUM_XA);
476 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
477
478 XrmSetDatabase (dpy, get_resources (false));
479
480#ifdef POINTER_BLANK
481 XColor blackcolour;
482 blackcolour.red = 0;
483 blackcolour.green = 0;
484 blackcolour.blue = 0;
485 Font f = XLoadFont (dpy, "fixed");
486 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
487 &blackcolour, &blackcolour);
488 XUnloadFont (dpy, f);
489#endif
490
491 flags = 0;
492#if XRENDER
493 int major, minor;
494 if (XRenderQueryVersion (dpy, &major, &minor))
495 if (major > 0 || (major == 0 && minor >= 11))
496 {
497 flags |= DISPLAY_HAS_RENDER;
498
499 if (XFilters *filters = XRenderQueryFilters (dpy, root))
500 {
501 for (int i = 0; i < filters->nfilter; i++)
502 if (!strcmp (filters->filter [i], FilterConvolution))
503 flags |= DISPLAY_HAS_RENDER_CONV;
504
505 XFree (filters);
506 }
507 }
508#endif
509
158 int fd = XConnectionNumber (display); 510 int fd = XConnectionNumber (dpy);
159 511
160#ifndef NO_SLOW_LINK_SUPPORT
161 // try to detetc wether we have a local connection. 512 // try to detect whether we have a local connection.
162 // assume unix domains socket == local, everything else not 513 // assume unix domain socket == local, everything else not
163 // TODO: might want to check for inet/127.0.0.1 514 // TODO: might want to check for inet/127.0.0.1
164 is_local = 0; 515 is_local = 0;
165 sockaddr_un sa; 516 sockaddr_un sa;
166 socklen_t sl = sizeof (sa); 517 socklen_t sl = sizeof (sa);
167 518
168 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 519 if (!getsockname (fd, (sockaddr *)&sa, &sl))
169 is_local = sa.sun_family == AF_LOCAL; 520 is_local = sa.sun_family == AF_UNIX;
170#endif
171 521
172#ifdef PREFER_24BIT 522 flush_ev.start ();
173 /*
174 * If depth is not 24, look for a 24bit visual.
175 */
176 if (depth != 24)
177 {
178 XVisualInfo vinfo;
179
180 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
181 {
182 depth = 24;
183 visual = vinfo.visual;
184 cmap = XCreateColormap (display,
185 RootWindow (display, screen),
186 visual, AllocNone);
187 }
188 }
189#endif
190
191 x_ev.start (fd, EVENT_READ); 523 x_ev.start (fd, ev::READ);
192 fcntl (fd, F_SETFD, FD_CLOEXEC); 524 fcntl (fd, F_SETFD, FD_CLOEXEC);
193 525
194 XSelectInput (display, root, PropertyChangeMask); 526 XSelectInput (dpy, root, PropertyChangeMask);
195#ifdef USE_XIM
196 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
197#endif
198 527
199 flush (); 528 flush ();
200 529
201 return true; 530 return true;
202} 531}
203 532
533void
534rxvt_display::ref_next ()
535{
536 // TODO: somehow check whether the database files/resources changed
537 // before affording re-loading/parsing
538 XrmDestroyDatabase (XrmGetDatabase (dpy));
539#if XLIB_ILLEGAL_ACCESS
540 /* work around a bug in XrmSetDatabase where it frees the db */
541 dpy->db = 0;
542#endif
543 XrmSetDatabase (dpy, get_resources (true));
544}
545
204rxvt_display::~rxvt_display () 546rxvt_display::~rxvt_display ()
205{ 547{
548 if (!dpy)
549 return;
550
551#ifdef POINTER_BLANK
552 XFreeCursor (dpy, blank_cursor);
553#endif
206 x_ev.stop (); 554 x_ev.stop ();
207 555 flush_ev.stop ();
208 if (display)
209 XCloseDisplay (display);
210}
211
212#ifdef USE_XIM 556#if USE_XIM
557 xims.clear ();
558#endif
559 XrmDestroyDatabase (XrmGetDatabase (dpy));
560 XCloseDisplay (dpy);
561}
562
563#if USE_XIM
213void rxvt_display::im_change_cb () 564void rxvt_display::im_change_cb ()
214{ 565{
215 for (im_watcher **i = imw.begin (); i != imw.end (); ++i) 566 for (im_watcher **i = imw.begin (); i != imw.end (); ++i)
216 (*i)->call (); 567 (*i)->call ();
217} 568}
218#endif
219 569
220void rxvt_display::x_cb (io_watcher &w, short revents) 570void rxvt_display::im_change_check ()
221{ 571{
222 do 572 // try to only call im_change_cb when a new input method
223 { 573 // registers, as xlib crashes due to a race otherwise.
224 XEvent xev; 574 Atom actual_type, *atoms;
225 XNextEvent (display, &xev); 575 int actual_format;
576 unsigned long nitems, bytes_after;
226 577
227 //printf ("T %d w %lx\n", xev.type, xev.xany.window);//D 578 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
579 False, XA_ATOM, &actual_type, &actual_format,
580 &nitems, &bytes_after, (unsigned char **)&atoms)
581 != Success)
582 return;
228 583
229#ifdef USE_XIM 584 if (actual_type == XA_ATOM && actual_format == 32)
230 if (xev.type == PropertyNotify 585 for (int i = 0; i < nitems; i++)
231 && xev.xany.window == root 586 if (XGetSelectionOwner (dpy, atoms[i]))
232 && xev.xproperty.atom == xa_xim_servers) 587 {
233 im_change_cb (); 588 im_change_cb ();
234#endif 589 break;
590 }
235 591
592 XFree (atoms);
593}
594#endif
595
596void rxvt_display::x_cb (ev::io &w, int revents)
597{
598 flush_ev.start ();
599}
600
601void rxvt_display::flush_cb (ev::prepare &w, int revents)
602{
603 while (XEventsQueued (dpy, QueuedAfterFlush))
604 do
605 {
606 XEvent xev;
607 XNextEvent (dpy, &xev);
608
609#if USE_XIM
610 if (!XFilterEvent (&xev, None))
611 {
612 if (xev.type == PropertyNotify
613 && xev.xany.window == root
614 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
615 im_change_check ();
616#endif
617 if (xev.type == MappingNotify)
618 XRefreshKeyboardMapping (&xev.xmapping);
619
236 for (int i = xw.size (); i--; ) 620 for (int i = xw.size (); i--; )
237 { 621 {
238 if (!xw[i]) 622 if (!xw[i])
239 xw.erase_unordered (i); 623 xw.erase_unordered (i);
240 else if (xw[i]->window == xev.xany.window) 624 else if (xw[i]->window == xev.xany.window)
241 xw[i]->call (xev); 625 xw[i]->call (xev);
626 }
627#if USE_XIM
242 } 628 }
629#endif
243 } 630 }
244 while (XPending (display)); 631 while (XEventsQueued (dpy, QueuedAlready));
245 632
246 flush (); 633 w.stop ();
247}
248
249void rxvt_display::flush ()
250{
251 for (;;)
252 {
253 if (!XPending (display))
254 break;
255
256 x_cb (x_ev, 0);
257 }
258} 634}
259 635
260void rxvt_display::reg (xevent_watcher *w) 636void rxvt_display::reg (xevent_watcher *w)
261{ 637{
638 if (!w->active)
639 {
262 xw.push_back (w); 640 xw.push_back (w);
263 w->active = xw.size (); 641 w->active = xw.size ();
642 }
264} 643}
265 644
266void rxvt_display::unreg (xevent_watcher *w) 645void rxvt_display::unreg (xevent_watcher *w)
267{ 646{
268 if (w->active) 647 if (w->active)
648 {
269 xw[w->active - 1] = 0; 649 xw[w->active - 1] = 0;
650 w->active = 0;
651 }
270} 652}
271 653
272void rxvt_display::set_selection_owner (rxvt_term *owner) 654void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
273{ 655{
656 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
657
274 if (selection_owner && selection_owner != owner) 658 if (cur_owner && cur_owner != owner)
275 selection_owner->selection_clear (); 659 {
660 rxvt_term *term = cur_owner;
661 term->selection_clear (clipboard);
662 term->flush ();
663 }
276 664
277 selection_owner = owner; 665 cur_owner = owner;
278} 666}
279 667
280#ifdef USE_XIM 668#if USE_XIM
669
281void rxvt_display::reg (im_watcher *w) 670void rxvt_display::reg (im_watcher *w)
282{ 671{
283 imw.push_back (w); 672 imw.push_back (w);
284} 673}
285 674
… …
294 int l, m; 683 int l, m;
295 684
296 l = strlen (locale); 685 l = strlen (locale);
297 m = strlen (modifiers); 686 m = strlen (modifiers);
298 687
299 if (!(id = (char *)malloc (l + m + 2))) 688 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
300 return 0; 689 return 0;
301 690
302 memcpy (id, locale, l); id[l] = '\n'; 691 memcpy (id, locale, l); id[l] = '\n';
303 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 692 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
304 693
305 rxvt_xim *xim = xims.get (id); 694 rxvt_xim *xim = xims.get (id);
306 695
307 free (id);
308
309 return xim; 696 return xim;
310} 697}
311 698
312void rxvt_display::put_xim (rxvt_xim *xim) 699void rxvt_display::put_xim (rxvt_xim *xim)
313{ 700{
701# if XLIB_IS_RACEFREE
314 xims.put (xim); 702 xims.put (xim);
703# endif
315} 704}
705
316#endif 706#endif
317 707
318Atom rxvt_display::atom (const char *name) 708Atom rxvt_display::atom (const char *name)
319{ 709{
320 return XInternAtom (display, name, False); 710 return XInternAtom (dpy, name, False);
711}
712
713Pixmap
714rxvt_display::get_pixmap_property (Atom property)
715{
716 Pixmap pixmap = None;
717
718 int aformat;
719 unsigned long nitems, bytes_after;
720 Atom atype;
721 unsigned char *prop;
722 int result = XGetWindowProperty (dpy, root, property,
723 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
724 &nitems, &bytes_after, &prop);
725 if (result == Success)
726 {
727 if (atype == XA_PIXMAP)
728 pixmap = *(Pixmap *)prop;
729 XFree (prop);
730 }
731
732 return pixmap;
321} 733}
322 734
323///////////////////////////////////////////////////////////////////////////// 735/////////////////////////////////////////////////////////////////////////////
324 736
325template class refcache<rxvt_display>; 737template class refcache<rxvt_display>;
326refcache<rxvt_display> displays; 738refcache<rxvt_display> displays;
327 739
328///////////////////////////////////////////////////////////////////////////// 740/////////////////////////////////////////////////////////////////////////////
329 741//
742
743static unsigned int
744insert_component (unsigned int value, unsigned int mask, unsigned int shift)
745{
746 return (value * (mask + 1) >> 16) << shift;
747}
748
330bool 749bool
331rxvt_color::set (rxvt_display *display, Pixel p) 750rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
332{ 751{
752 //TODO: only supports 24 bit
753 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
754
333#if XFT 755#if XFT
334 XColor xc; 756 XRenderPictFormat *format;
335 757
336 xc.pixel = p; 758 // FUCKING Xft gets it wrong, of course, so work around it.
337 if (!XQueryColor (display->display, display->cmap, &xc)) 759 // Transparency users should eat shit and die, and then
338 return false; 760 // XRenderQueryPictIndexValues themselves plenty.
761 if ((screen->visual->c_class == TrueColor)
762 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
763 {
764 // the fun lies in doing everything manually...
765 c.color.red = color.r;
766 c.color.green = color.g;
767 c.color.blue = color.b;
768 c.color.alpha = alpha;
339 769
770 // Xft wants premultiplied alpha, but abuses the alpha channel
771 // as blend factor, and doesn't allow us to set the alpha channel
772 c.color.red = c.color.red * alpha / 0xffff;
773 c.color.green = c.color.green * alpha / 0xffff;
774 c.color.blue = c.color.blue * alpha / 0xffff;
775
776 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
777 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
778 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
779 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
780
781 return true;
782 }
783 else
784 {
340 XRenderColor d; 785 XRenderColor d;
341 786
342 d.red = xc.red; 787 d.red = color.r;
343 d.green = xc.green; 788 d.green = color.g;
344 d.blue = xc.blue; 789 d.blue = color.b;
345 d.alpha = 0xffff; 790 d.alpha = alpha;
346 791
347 return 792 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
348 XftColorAllocValue (display->display, 793 return true;
349 display->visual, 794 }
350 display->cmap,
351 &d, &c);
352#else 795#else
353 this->p = p; 796 c.red = color.r;
354#endif 797 c.green = color.g;
798 c.blue = color.b;
355 799
800 if (screen->visual->c_class == TrueColor)
801 {
802 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
803 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
804 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
805
806 return true;
807 }
808 else if (XAllocColor (screen->dpy, screen->cmap, &c))
356 return true; 809 return true;
810#endif
811
812 c.pixel = (color.r + color.g + color.b) > 128*3
813 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
814 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
815
816 return false;
357} 817}
358 818
359bool 819bool
360rxvt_color::set (rxvt_display *display, const char *name) 820rxvt_color::set (rxvt_screen *screen, const char *name)
361{ 821{
822 rgba c;
823 char eos;
824 int skip;
825
826 c.a = rgba::MAX_CC;
827
828 // parse the nonstandard "[alphapercent]" prefix
829 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
830 {
831 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
832 name += skip;
833 }
834
835 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
836 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
837 {
362 XColor xc; 838 XColor xc;
363 839
364 if (XParseColor (display->display, display->cmap, name, &xc)) 840 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
365 return set (display, xc.red, xc.green, xc.blue); 841 {
842 c.r = xc.red;
843 c.g = xc.green;
844 c.b = xc.blue;
845 }
846 else
847 {
848 c.r = 0xffff;
849 c.g = 0x6969;
850 c.b = 0xb4b4;
851
852 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
853 }
854 }
855
856 return set (screen, c);
857}
858
859bool
860rxvt_color::set (rxvt_screen *screen, const rgba &color)
861{
862 bool got = alloc (screen, color);
863
864#if !ENABLE_MINIMAL
865 int cmap_size = screen->visual->map_entries;
866
867 if (!got
868 && screen->visual->c_class == PseudoColor
869 && cmap_size < 4096)
870 {
871 XColor *colors = new XColor [screen->visual->map_entries];
872
873 for (int i = 0; i < cmap_size; i++)
874 colors [i].pixel = i;
875
876 // many kilobytes transfer per colour, but pseudocolor isn't worth
877 // many extra optimisations.
878 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
879
880 while (cmap_size)
881 {
882 int diff = 0x7fffffffUL;
883 XColor *best = colors;
884
885 for (int i = 0; i < cmap_size; i++)
886 {
887 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
888 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
889 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
890
891 if (d < diff)
892 {
893 diff = d;
894 best = colors + i;
895 }
896 }
897
898 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d,%d)\n",
899 // color.r, color.g, color.b, best->red, best->green, best->blue, diff, best - colors);
900
901 got = alloc (screen, rgba (best->red, best->green, best->blue));
902
903 if (got)
904 break;
905
906 *best = colors [--cmap_size];
907 }
908
909 delete [] colors;
910 }
911#endif
912
913 return got;
914}
915
916void
917rxvt_color::get (rgba &color) const
918{
919#if XFT
920 color.r = c.color.red;
921 color.g = c.color.green;
922 color.b = c.color.blue;
923 color.a = c.color.alpha;
924#else
925 color.r = c.red;
926 color.g = c.green;
927 color.b = c.blue;
928 color.a = rgba::MAX_CC;
929#endif
930}
931
932void
933rxvt_color::get (XColor &color) const
934{
935 rgba c;
936 get (c);
937
938 color.red = c.r;
939 color.green = c.g;
940 color.blue = c.b;
941 color.pixel = (Pixel)*this;
942}
943
944void
945rxvt_color::free (rxvt_screen *screen)
946{
947 if (screen->visual->c_class == TrueColor)
948 return; // nothing to do
949
950#if XFT
951 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
952#else
953 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
954#endif
955}
956
957void
958rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
959{
960 rgba c;
961 get (c);
962
963 result.set (
964 screen,
965 rgba (
966 lerp (c.r, to.r, percent),
967 lerp (c.g, to.g, percent),
968 lerp (c.b, to.b, percent),
969 lerp (c.a, to.a, percent)
970 )
971 );
972}
973
974rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
975: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
976{
977 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
978
979 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
980 timer_ev.repeat = 10.;
981 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
982
983 incr_buf = 0;
984 incr_buf_size = incr_buf_fill = 0;
985 selection_wait = Sel_normal;
986 selection_type = selnum;
987 cb_sv = 0;
988}
989
990void
991rxvt_selection::stop ()
992{
993 free (incr_buf);
994 incr_buf = 0;
995 timer_ev.stop ();
996 x_ev.stop (display);
997}
998
999rxvt_selection::~rxvt_selection ()
1000{
1001 stop ();
1002}
1003
1004void
1005rxvt_selection::run ()
1006{
1007 int selnum = selection_type;
1008
1009#if ENABLE_FRILLS
1010 if (selnum == Sel_Primary && display->selection_owner)
1011 {
1012 /* internal selection */
1013 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
1014 finish (str, strlen (str));
1015 free (str);
1016 return;
1017 }
1018#endif
1019
1020#if X_HAVE_UTF8_STRING
1021 selection_type = Sel_UTF8String;
1022 if (request (display->xa[XA_UTF8_STRING], selnum))
1023 return;
1024#else
1025 selection_type = Sel_CompoundText;
1026 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
1027 return;
1028#endif
1029
1030 // fallback to CUT_BUFFER0 if the requested property has no owner
1031 handle_selection (display->root, XA_CUT_BUFFER0, false);
1032}
1033
1034void
1035rxvt_selection::finish (char *data, unsigned int len)
1036{
1037 if (!cb_sv)
1038 {
1039 if (data)
1040 term->paste (data, len);
1041
1042 term->selection_req = 0;
1043 delete this;
1044 }
1045#if ENABLE_PERL
1046 else
1047 {
1048 stop (); // we do not really trust perl callbacks
1049 rxvt_perl.selection_finish (this, data, len);
1050 }
1051#endif
1052}
1053
1054bool
1055rxvt_selection::request (Atom target, int selnum)
1056{
1057 Atom sel;
1058
1059 selection_type |= selnum;
1060
1061 if (selnum == Sel_Primary)
1062 sel = XA_PRIMARY;
1063 else if (selnum == Sel_Secondary)
1064 sel = XA_SECONDARY;
1065 else
1066 sel = display->xa[XA_CLIPBOARD];
1067
1068 if (XGetSelectionOwner (display->dpy, sel) != None)
1069 {
1070 XConvertSelection (display->dpy, sel, target, request_prop,
1071 request_win, request_time);
1072 x_ev.start (display, request_win);
1073 timer_ev.again ();
1074 return true;
1075 }
366 1076
367 return false; 1077 return false;
368} 1078}
369 1079
370bool
371rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
372{
373 XColor xc;
374
375 xc.red = cr;
376 xc.green = cg;
377 xc.blue = cb;
378 xc.flags = DoRed | DoGreen | DoBlue;
379
380 if (XAllocColor (display->display, display->cmap, &xc))
381 return set (display, xc.pixel);
382
383 return false;
384}
385
386void 1080void
387rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 1081rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
388{ 1082{
389#if XFT 1083 Display *dpy = display->dpy;
390 cr = c.color.red; 1084 char *data = 0;
391 cg = c.color.green; 1085 unsigned int data_len = 0;
392 cb = c.color.blue; 1086 unsigned long bytes_after;
393#else 1087 XTextProperty ct;
394 XColor c;
395 1088
396 c.pixel = p; 1089 // check for failed XConvertSelection
397 XQueryColor (display->display, display->cmap, &c); 1090 if (prop == None)
1091 {
1092 bool error = true;
1093 int selnum = selection_type & Sel_whereMask;
398 1094
399 cr = c.red; 1095 if (selection_type & Sel_CompoundText)
400 cg = c.green; 1096 {
401 cb = c.blue; 1097 selection_type = 0;
402#endif 1098 error = !request (XA_STRING, selnum);
403} 1099 }
404 1100
1101 if (selection_type & Sel_UTF8String)
1102 {
1103 selection_type = Sel_CompoundText;
1104 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1105 }
1106
1107 if (error)
1108 {
1109 ct.value = 0;
1110 goto bailout;
1111 }
1112
1113 return;
1114 }
1115
1116 // length == (2^31 - 1) / 4, as gdk
1117 if (XGetWindowProperty (dpy, win, prop,
1118 0, 0x1fffffff,
1119 delete_prop, AnyPropertyType,
1120 &ct.encoding, &ct.format,
1121 &ct.nitems, &bytes_after,
1122 &ct.value) != Success)
1123 {
1124 ct.value = 0;
1125 goto bailout;
1126 }
1127
1128 if (ct.encoding == None)
1129 goto bailout;
1130
1131 if (ct.value == 0)
1132 goto bailout;
1133
1134 if (ct.encoding == display->xa[XA_INCR])
1135 {
1136 // INCR selection, start handshake
1137 if (!delete_prop)
1138 XDeleteProperty (dpy, win, prop);
1139
1140 selection_wait = Sel_incr;
1141 timer_ev.again ();
1142
1143 goto bailout;
1144 }
1145
1146 if (ct.nitems == 0)
1147 {
1148 if (selection_wait == Sel_incr)
1149 {
1150 XFree (ct.value);
1151
1152 // finally complete, now paste the whole thing
1153 selection_wait = Sel_normal;
1154 ct.value = (unsigned char *)incr_buf;
1155 ct.nitems = incr_buf_fill;
1156 incr_buf = 0;
1157 timer_ev.stop ();
1158 }
1159 else
1160 {
1161 // avoid recursion
1162 if (win != display->root || prop != XA_CUT_BUFFER0)
1163 {
1164 XFree (ct.value);
1165
1166 // fallback to CUT_BUFFER0 if the requested property
1167 // has an owner but is empty
1168 handle_selection (display->root, XA_CUT_BUFFER0, False);
1169 return;
1170 }
1171
1172 goto bailout;
1173 }
1174 }
1175 else if (selection_wait == Sel_incr)
1176 {
1177 timer_ev.again ();
1178
1179 while (incr_buf_fill + ct.nitems > incr_buf_size)
1180 {
1181 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1182 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1183 }
1184
1185 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1186 incr_buf_fill += ct.nitems;
1187
1188 goto bailout;
1189 }
1190
1191 char **cl;
1192 int cr;
1193
1194 // we honour the first item only
1195
1196#if !ENABLE_MINIMAL
1197 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1198 // so recode it manually
1199 if (ct.encoding == display->xa[XA_UTF8_STRING])
1200 {
1201 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1202 data = rxvt_wcstombs (w);
1203 free (w);
1204 }
1205 else
1206#endif
1207 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1208 && cl)
1209 {
1210 data = strdup (cl[0]);
1211 XFreeStringList (cl);
1212 }
1213 else
1214 {
1215 // paste raw
1216 data = strdup ((const char *)ct.value);
1217 }
1218
1219 data_len = strlen (data);
1220
1221bailout:
1222 XFree (ct.value);
1223
1224 if (selection_wait == Sel_normal)
1225 {
1226 finish (data, data_len);
1227 free (data);
1228 }
1229}
1230
405void 1231void
406rxvt_color::free (rxvt_display *display) 1232rxvt_selection::timer_cb (ev::timer &w, int revents)
407{ 1233{
408#if XFT 1234 if (selection_wait == Sel_incr)
409 XftColorFree (display->display, display->visual, display->cmap, &c); 1235 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
410#else
411 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
412#endif
413}
414 1236
415rxvt_color 1237 finish ();
416rxvt_color::fade (rxvt_display *display, int percent)
417{
418 unsigned short cr, cg, cb;
419 rxvt_color faded;
420
421 get (display, cr, cg, cb);
422 faded.set (display,
423 cr * percent / 100,
424 cg * percent / 100,
425 cb * percent / 100);
426
427 return faded;
428} 1238}
429 1239
1240void
1241rxvt_selection::x_cb (XEvent &xev)
1242{
1243 switch (xev.type)
1244 {
1245 case PropertyNotify:
1246 if (selection_wait == Sel_incr
1247 && xev.xproperty.atom == request_prop
1248 && xev.xproperty.state == PropertyNewValue)
1249 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1250 break;
1251
1252 case SelectionNotify:
1253 if (selection_wait == Sel_normal
1254 && xev.xselection.time == request_time)
1255 {
1256 timer_ev.stop ();
1257 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1258 }
1259 break;
1260 }
1261}

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