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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.20 by root, Fri Jan 6 02:11:15 2006 UTC vs.
Revision 1.143 by sf-exg, Sat Nov 1 10:17:55 2014 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: rxvttoolkit.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}
… …
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 {
… …
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)
… …
107 171
108 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim)); 172 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim));
109 display->im_change_cb (); 173 display->im_change_cb ();
110} 174}
111 175
176bool
112bool rxvt_xim::init () 177rxvt_xim::ref_init ()
113{ 178{
114 display = GET_R->display; //HACK: TODO 179 display = GET_R->display; //HACK: TODO
115 180
116 xim = XOpenIM (display->display, NULL, NULL, NULL); 181 xim = XOpenIM (display->dpy, 0, 0, 0);
117 182
118 if (!xim) 183 if (!xim)
119 return false; 184 return false;
120 185
121 XIMCallback ximcallback; 186 XIMCallback ximcallback;
122 ximcallback.client_data = (XPointer)this; 187 ximcallback.client_data = (XPointer)this;
123 ximcallback.callback = im_destroy_cb; 188 ximcallback.callback = im_destroy_cb;
124 189
125 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 190 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
126 191
127 return true; 192 return true;
128} 193}
129 194
130rxvt_xim::~rxvt_xim () 195rxvt_xim::~rxvt_xim ()
131{ 196{
132 if (xim) 197 if (xim)
133 XCloseIM (xim); 198 XCloseIM (xim);
134} 199}
200
135#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}
136 314
137///////////////////////////////////////////////////////////////////////////// 315/////////////////////////////////////////////////////////////////////////////
138 316
139rxvt_display::rxvt_display (const char *id) 317rxvt_display::rxvt_display (const char *id)
140: refcounted (id) 318: refcounted (id)
141, x_ev (this, &rxvt_display::x_cb)
142, selection_owner (0) 319, selection_owner (0)
320, clipboard_owner (0)
143{ 321{
322 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
323 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
144} 324}
145 325
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
146bool rxvt_display::init () 450bool rxvt_display::ref_init ()
147{ 451{
148#ifdef LOCAL_X_IS_UNIX 452#ifdef LOCAL_X_IS_UNIX
149 if (id[0] == ':') 453 if (id[0] == ':')
150 { 454 {
151 val = rxvt_malloc (5 + strlen (id) + 1); 455 char *val = rxvt_temp_buf<char> (5 + strlen (id) + 1);
456
152 strcpy (val, "unix/"); 457 strcpy (val, "unix/");
153 strcat (val, id); 458 strcat (val, id);
459
154 display = XOpenDisplay (val); 460 dpy = XOpenDisplay (val);
155 free (val);
156 } 461 }
157 else 462 else
158#endif 463#endif
159 display = 0; 464 dpy = 0;
160 465
161 if (!display) 466 if (!dpy)
162 display = XOpenDisplay (id); 467 dpy = XOpenDisplay (id);
163 468
164 if (!display) 469 if (!dpy)
165 return false; 470 return false;
166 471
167 screen = DefaultScreen (display); 472 screen = DefaultScreen (dpy);
168 root = DefaultRootWindow (display); 473 root = DefaultRootWindow (dpy);
169 visual = DefaultVisual (display, screen);
170 cmap = DefaultColormap (display, screen);
171 depth = DefaultDepth (display, screen);
172 474
173 int fd = XConnectionNumber (display); 475 assert (ecb_array_length (xa_names) == NUM_XA);
476 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
174 477
175#ifndef NO_SLOW_LINK_SUPPORT 478 XrmSetDatabase (dpy, get_resources (false));
176 // try to detect wether we have a local connection.
177 // assume unix domains socket == local, everything else not
178 // TODO: might want to check for inet/127.0.0.1
179 is_local = 0;
180 sockaddr_un sa;
181 socklen_t sl = sizeof (sa);
182
183 if (!getsockname (fd, (sockaddr *)&sa, &sl))
184 is_local = sa.sun_family == AF_LOCAL;
185#endif
186 479
187#ifdef POINTER_BLANK 480#ifdef POINTER_BLANK
188 XColor blackcolour; 481 XColor blackcolour;
189 blackcolour.red = 0; 482 blackcolour.red = 0;
190 blackcolour.green = 0; 483 blackcolour.green = 0;
191 blackcolour.blue = 0; 484 blackcolour.blue = 0;
192 Font f = XLoadFont (display, "fixed"); 485 Font f = XLoadFont (dpy, "fixed");
193 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 486 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
194 &blackcolour, &blackcolour); 487 &blackcolour, &blackcolour);
195 XUnloadFont (display, f); 488 XUnloadFont (dpy, f);
196#endif 489#endif
197 490
198#ifdef PREFER_24BIT 491 flags = 0;
199 /* 492#if XRENDER
200 * If depth is not 24, look for a 24bit visual. 493 int major, minor;
201 */ 494 if (XRenderQueryVersion (dpy, &major, &minor))
202 if (depth != 24) 495 if (major > 0 || (major == 0 && minor >= 10))
203 { 496 {
204 XVisualInfo vinfo; 497 flags |= DISPLAY_HAS_RENDER;
205 498
206 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo)) 499#if 0
500 if (major > 0 || (major == 0 && minor >= 11))
501 flags |= DISPLAY_HAS_RENDER_MUL;
502#endif
503
504 if (XFilters *filters = XRenderQueryFilters (dpy, root))
207 { 505 {
208 depth = 24; 506 for (int i = 0; i < filters->nfilter; i++)
209 visual = vinfo.visual; 507 if (!strcmp (filters->filter [i], FilterConvolution))
210 cmap = XCreateColormap (display, 508 flags |= DISPLAY_HAS_RENDER_CONV;
211 RootWindow (display, screen), 509
212 visual, AllocNone); 510 XFree (filters);
213 } 511 }
214 } 512 }
215#endif 513#endif
216 514
515 int fd = XConnectionNumber (dpy);
516
517 // try to detect whether we have a local connection.
518 // assume unix domain socket == local, everything else not
519 // TODO: might want to check for inet/127.0.0.1
520 is_local = 0;
521 sockaddr_un sa;
522 socklen_t sl = sizeof (sa);
523
524 if (!getsockname (fd, (sockaddr *)&sa, &sl))
525 is_local = sa.sun_family == AF_UNIX;
526
527 flush_ev.start ();
217 x_ev.start (fd, EVENT_READ); 528 x_ev.start (fd, ev::READ);
218 fcntl (fd, F_SETFD, FD_CLOEXEC); 529 fcntl (fd, F_SETFD, FD_CLOEXEC);
219 530
220 XSelectInput (display, root, PropertyChangeMask); 531 XSelectInput (dpy, root, PropertyChangeMask);
221#ifdef USE_XIM
222 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
223#endif
224 532
225 flush (); 533 flush ();
226 534
227 return true; 535 return true;
228} 536}
229 537
538void
539rxvt_display::ref_next ()
540{
541 // TODO: somehow check whether the database files/resources changed
542 // before affording re-loading/parsing
543 XrmDestroyDatabase (XrmGetDatabase (dpy));
544#if XLIB_ILLEGAL_ACCESS
545 /* work around a bug in XrmSetDatabase where it frees the db */
546 dpy->db = 0;
547#endif
548 XrmSetDatabase (dpy, get_resources (true));
549}
550
230rxvt_display::~rxvt_display () 551rxvt_display::~rxvt_display ()
231{ 552{
553 if (!dpy)
554 return;
555
556#ifdef POINTER_BLANK
557 XFreeCursor (dpy, blank_cursor);
558#endif
232 x_ev.stop (); 559 x_ev.stop ();
560 flush_ev.stop ();
233#ifdef USE_XIM 561#if USE_XIM
234 xims.clear (); 562 xims.clear ();
235#endif 563#endif
236 564 XrmDestroyDatabase (XrmGetDatabase (dpy));
237 if (display)
238 XCloseDisplay (display); 565 XCloseDisplay (dpy);
239} 566}
240 567
241#ifdef USE_XIM 568#if USE_XIM
242void rxvt_display::im_change_cb () 569void rxvt_display::im_change_cb ()
243{ 570{
244 for (im_watcher **i = imw.begin (); i != imw.end (); ++i) 571 for (im_watcher **i = imw.begin (); i != imw.end (); ++i)
245 (*i)->call (); 572 (*i)->call ();
246} 573}
… …
251 // registers, as xlib crashes due to a race otherwise. 578 // registers, as xlib crashes due to a race otherwise.
252 Atom actual_type, *atoms; 579 Atom actual_type, *atoms;
253 int actual_format; 580 int actual_format;
254 unsigned long nitems, bytes_after; 581 unsigned long nitems, bytes_after;
255 582
256 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 583 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
257 False, XA_ATOM, &actual_type, &actual_format, 584 False, XA_ATOM, &actual_type, &actual_format,
258 &nitems, &bytes_after, (unsigned char **)&atoms) 585 &nitems, &bytes_after, (unsigned char **)&atoms)
259 != Success ) 586 != Success)
260 return; 587 return;
261 588
262 if (actual_type == XA_ATOM && actual_format == 32) 589 if (actual_type == XA_ATOM && actual_format == 32)
263 for (int i = 0; i < nitems; i++) 590 for (int i = 0; i < nitems; i++)
264 if (XGetSelectionOwner (display, atoms[i])) 591 if (XGetSelectionOwner (dpy, atoms[i]))
265 { 592 {
266 im_change_cb (); 593 im_change_cb ();
267 break; 594 break;
268 } 595 }
269 596
270 XFree (atoms); 597 XFree (atoms);
271} 598}
272#endif 599#endif
273 600
274void rxvt_display::x_cb (io_watcher &w, short revents) 601void rxvt_display::x_cb (ev::io &w, int revents)
275{ 602{
603 flush_ev.start ();
604}
605
606void rxvt_display::flush_cb (ev::prepare &w, int revents)
607{
608 while (XEventsQueued (dpy, QueuedAfterFlush))
276 do 609 do
277 { 610 {
278 XEvent xev; 611 XEvent xev;
279 XNextEvent (display, &xev); 612 XNextEvent (dpy, &xev);
280 613
281#ifdef USE_XIM 614#if USE_XIM
282 if (!XFilterEvent (&xev, None)) 615 if (!XFilterEvent (&xev, None))
283 { 616 {
284 if (xev.type == PropertyNotify 617 if (xev.type == PropertyNotify
285 && xev.xany.window == root 618 && xev.xany.window == root
286 && xev.xproperty.atom == xa_xim_servers) 619 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
287 im_change_check (); 620 im_change_check ();
288#endif 621#endif
622 if (xev.type == MappingNotify)
623 XRefreshKeyboardMapping (&xev.xmapping);
624
289 for (int i = xw.size (); i--; ) 625 for (int i = xw.size (); i--; )
290 { 626 {
291 if (!xw[i]) 627 if (!xw[i])
292 xw.erase_unordered (i); 628 xw.erase_unordered (i);
293 else if (xw[i]->window == xev.xany.window) 629 else if (xw[i]->window == xev.xany.window)
294 xw[i]->call (xev); 630 xw[i]->call (xev);
295 } 631 }
296#ifdef USE_XIM 632#if USE_XIM
297 } 633 }
298#endif 634#endif
299 } 635 }
300 while (XEventsQueued (display, QueuedAlready)); 636 while (XEventsQueued (dpy, QueuedAlready));
301 637
302 XFlush (display); 638 w.stop ();
303}
304
305void rxvt_display::flush ()
306{
307 if (XEventsQueued (display, QueuedAlready))
308 x_cb (x_ev, EVENT_READ);
309
310 XFlush (display);
311} 639}
312 640
313void rxvt_display::reg (xevent_watcher *w) 641void rxvt_display::reg (xevent_watcher *w)
314{ 642{
643 if (!w->active)
644 {
315 xw.push_back (w); 645 xw.push_back (w);
316 w->active = xw.size (); 646 w->active = xw.size ();
647 }
317} 648}
318 649
319void rxvt_display::unreg (xevent_watcher *w) 650void rxvt_display::unreg (xevent_watcher *w)
320{ 651{
321 if (w->active) 652 if (w->active)
653 {
322 xw[w->active - 1] = 0; 654 xw[w->active - 1] = 0;
655 w->active = 0;
656 }
323} 657}
324 658
325void rxvt_display::set_selection_owner (rxvt_term *owner) 659void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
326{ 660{
661 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
662
327 if (selection_owner && selection_owner != owner) 663 if (cur_owner && cur_owner != owner)
328 selection_owner->selection_clear (); 664 {
665 rxvt_term *term = cur_owner;
666 term->selection_clear (clipboard);
667 term->flush ();
668 }
329 669
330 selection_owner = owner; 670 cur_owner = owner;
331} 671}
332 672
333#ifdef USE_XIM 673#if USE_XIM
674
334void rxvt_display::reg (im_watcher *w) 675void rxvt_display::reg (im_watcher *w)
335{ 676{
336 imw.push_back (w); 677 imw.push_back (w);
337} 678}
338 679
… …
347 int l, m; 688 int l, m;
348 689
349 l = strlen (locale); 690 l = strlen (locale);
350 m = strlen (modifiers); 691 m = strlen (modifiers);
351 692
352 if (!(id = (char *)malloc (l + m + 2))) 693 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
353 return 0; 694 return 0;
354 695
355 memcpy (id, locale, l); id[l] = '\n'; 696 memcpy (id, locale, l); id[l] = '\n';
356 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 697 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
357 698
358 rxvt_xim *xim = xims.get (id); 699 rxvt_xim *xim = xims.get (id);
359 700
360 free (id);
361
362 return xim; 701 return xim;
363} 702}
364 703
365void rxvt_display::put_xim (rxvt_xim *xim) 704void rxvt_display::put_xim (rxvt_xim *xim)
366{ 705{
367#if XLIB_IS_RACEFREE 706# if XLIB_IS_RACEFREE
368 xims.put (xim); 707 xims.put (xim);
369#endif 708# endif
370} 709}
710
371#endif 711#endif
372 712
373Atom rxvt_display::atom (const char *name) 713Atom rxvt_display::atom (const char *name)
374{ 714{
375 return XInternAtom (display, name, False); 715 return XInternAtom (dpy, name, False);
716}
717
718Pixmap
719rxvt_display::get_pixmap_property (Atom property)
720{
721 Pixmap pixmap = None;
722
723 int aformat;
724 unsigned long nitems, bytes_after;
725 Atom atype;
726 unsigned char *prop;
727 int result = XGetWindowProperty (dpy, root, property,
728 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
729 &nitems, &bytes_after, &prop);
730 if (result == Success)
731 {
732 if (atype == XA_PIXMAP)
733 pixmap = *(Pixmap *)prop;
734 XFree (prop);
735 }
736
737 return pixmap;
376} 738}
377 739
378///////////////////////////////////////////////////////////////////////////// 740/////////////////////////////////////////////////////////////////////////////
379 741
380template class refcache<rxvt_display>; 742template class refcache<rxvt_display>;
381refcache<rxvt_display> displays; 743refcache<rxvt_display> displays;
382 744
383///////////////////////////////////////////////////////////////////////////// 745/////////////////////////////////////////////////////////////////////////////
384 746//
747
748static unsigned int
749insert_component (unsigned int value, unsigned int mask, unsigned int shift)
750{
751 return (value * (mask + 1) >> 16) << shift;
752}
753
385bool 754bool
386rxvt_color::set (rxvt_display *display, Pixel p) 755rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
387{ 756{
757 //TODO: only supports 24 bit
758 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
759
388#if XFT 760#if XFT
389 XColor xc; 761 XRenderPictFormat *format;
390 762
391 xc.pixel = p; 763 // FUCKING Xft gets it wrong, of course, so work around it.
392 if (!XQueryColor (display->display, display->cmap, &xc)) 764 // Transparency users should eat shit and die, and then
393 return false; 765 // XRenderQueryPictIndexValues themselves plenty.
766 if ((screen->visual->c_class == TrueColor)
767 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
768 {
769 // the fun lies in doing everything manually...
770 c.color.red = color.r;
771 c.color.green = color.g;
772 c.color.blue = color.b;
773 c.color.alpha = alpha;
394 774
775 // Xft wants premultiplied alpha, but abuses the alpha channel
776 // as blend factor, and doesn't allow us to set the alpha channel
777 c.color.red = c.color.red * alpha / 0xffff;
778 c.color.green = c.color.green * alpha / 0xffff;
779 c.color.blue = c.color.blue * alpha / 0xffff;
780
781 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
782 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
783 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
784 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
785
786 return true;
787 }
788 else
789 {
395 XRenderColor d; 790 XRenderColor d;
396 791
397 d.red = xc.red; 792 d.red = color.r;
398 d.green = xc.green; 793 d.green = color.g;
399 d.blue = xc.blue; 794 d.blue = color.b;
400 d.alpha = 0xffff; 795 d.alpha = alpha;
401 796
402 return 797 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
403 XftColorAllocValue (display->display, 798 return true;
404 display->visual, 799 }
405 display->cmap,
406 &d, &c);
407#else 800#else
408 this->p = p; 801 c.red = color.r;
409#endif 802 c.green = color.g;
803 c.blue = color.b;
410 804
805 if (screen->visual->c_class == TrueColor)
806 {
807 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
808 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
809 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
810
811 return true;
812 }
813 else if (XAllocColor (screen->dpy, screen->cmap, &c))
411 return true; 814 return true;
815#endif
816
817 c.pixel = (color.r + color.g + color.b) > 128*3
818 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
819 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
820
821 return false;
412} 822}
413 823
414bool 824bool
415rxvt_color::set (rxvt_display *display, const char *name) 825rxvt_color::set (rxvt_screen *screen, const char *name)
826{
827 rgba c;
828 char eos;
829 int skip;
830
831 c.a = rgba::MAX_CC;
832
833 // parse the nonstandard "[alphapercent]" prefix
834 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
835 {
836 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
837 name += skip;
838 }
839
840 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
841 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
842 {
843 XColor xc;
844
845 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
846 {
847 c.r = xc.red;
848 c.g = xc.green;
849 c.b = xc.blue;
850 }
851 else
852 {
853 c.r = 0xffff;
854 c.g = 0x6969;
855 c.b = 0xb4b4;
856
857 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
858 }
859 }
860
861 return set (screen, c);
862}
863
864bool
865rxvt_color::set (rxvt_screen *screen, const rgba &color)
866{
867 bool got = alloc (screen, color);
868
869#if !ENABLE_MINIMAL
870 int cmap_size = screen->visual->map_entries;
871
872 if (!got
873 && screen->visual->c_class == PseudoColor
874 && cmap_size < 4096)
875 {
876 XColor *colors = new XColor [screen->visual->map_entries];
877
878 for (int i = 0; i < cmap_size; i++)
879 colors [i].pixel = i;
880
881 // many kilobytes transfer per colour, but pseudocolor isn't worth
882 // many extra optimisations.
883 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
884
885 int diff = 0x7fffffffUL;
886 XColor *best = colors;
887
888 for (int i = 0; i < cmap_size; i++)
889 {
890 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
891 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
892 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
893
894 if (d < diff)
895 {
896 diff = d;
897 best = colors + i;
898 }
899 }
900
901 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
902 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
903
904 got = alloc (screen, rgba (best->red, best->green, best->blue));
905
906 delete [] colors;
907 }
908#endif
909
910 return got;
911}
912
913void
914rxvt_color::get (rgba &color) const
416{ 915{
417#if XFT 916#if XFT
418 return XftColorAllocName (display->display, display->visual, display->cmap, 917 color.r = c.color.red;
419 name, &c); 918 color.g = c.color.green;
919 color.b = c.color.blue;
920 color.a = c.color.alpha;
420#else 921#else
421 XColor xc; 922 color.r = c.red;
923 color.g = c.green;
924 color.b = c.blue;
925 color.a = rgba::MAX_CC;
926#endif
927}
422 928
423 if (XParseColor (display->display, display->cmap, name, &xc)) 929void
424 return set (display, xc.red, xc.green, xc.blue); 930rxvt_color::get (XColor &color) const
931{
932 rgba c;
933 get (c);
934
935 color.red = c.r;
936 color.green = c.g;
937 color.blue = c.b;
938 color.pixel = (Pixel)*this;
939}
940
941void
942rxvt_color::free (rxvt_screen *screen)
943{
944 if (screen->visual->c_class == TrueColor)
945 return; // nothing to do
946
947#if XFT
948 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
949#else
950 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
951#endif
952}
953
954void
955rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
956{
957 rgba c;
958 get (c);
959
960 result.set (
961 screen,
962 rgba (
963 lerp (c.r, to.r, percent),
964 lerp (c.g, to.g, percent),
965 lerp (c.b, to.b, percent),
966 lerp (c.a, to.a, percent)
967 )
968 );
969}
970
971rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
972: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
973{
974 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
975
976 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
977 timer_ev.repeat = 10.;
978 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
979
980 incr_buf = 0;
981 incr_buf_size = incr_buf_fill = 0;
982 selection_wait = Sel_normal;
983 selection_type = selnum;
984 cb_sv = 0;
985}
986
987void
988rxvt_selection::stop ()
989{
990 free (incr_buf);
991 incr_buf = 0;
992 timer_ev.stop ();
993 x_ev.stop (display);
994}
995
996rxvt_selection::~rxvt_selection ()
997{
998 stop ();
999}
1000
1001void
1002rxvt_selection::run ()
1003{
1004 int selnum = selection_type;
1005
1006#if ENABLE_FRILLS
1007 if (selnum == Sel_Primary && display->selection_owner)
1008 {
1009 /* internal selection */
1010 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
1011 finish (str, strlen (str));
1012 free (str);
1013 return;
1014 }
1015#endif
1016
1017#if X_HAVE_UTF8_STRING
1018 selection_type = Sel_UTF8String;
1019 if (request (display->xa[XA_UTF8_STRING], selnum))
1020 return;
1021#else
1022 selection_type = Sel_CompoundText;
1023 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
1024 return;
1025#endif
1026
1027 // fallback to CUT_BUFFER0 if the requested property has no owner
1028 handle_selection (display->root, XA_CUT_BUFFER0, false);
1029}
1030
1031void
1032rxvt_selection::finish (char *data, unsigned int len)
1033{
1034 if (!cb_sv)
1035 {
1036 if (data)
1037 term->paste (data, len);
1038
1039 term->selection_req = 0;
1040 delete this;
1041 }
1042#if ENABLE_PERL
1043 else
1044 {
1045 stop (); // we do not really trust perl callbacks
1046 rxvt_perl.selection_finish (this, data, len);
1047 }
1048#endif
1049}
1050
1051bool
1052rxvt_selection::request (Atom target, int selnum)
1053{
1054 Atom sel;
1055
1056 selection_type |= selnum;
1057
1058 if (selnum == Sel_Primary)
1059 sel = XA_PRIMARY;
1060 else if (selnum == Sel_Secondary)
1061 sel = XA_SECONDARY;
1062 else
1063 sel = display->xa[XA_CLIPBOARD];
1064
1065 if (XGetSelectionOwner (display->dpy, sel) != None)
1066 {
1067 XConvertSelection (display->dpy, sel, target, request_prop,
1068 request_win, request_time);
1069 x_ev.start (display, request_win);
1070 timer_ev.again ();
1071 return true;
1072 }
425 1073
426 return false; 1074 return false;
427#endif
428} 1075}
429 1076
430bool
431rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
432{
433 XColor xc;
434
435 xc.red = cr;
436 xc.green = cg;
437 xc.blue = cb;
438 xc.flags = DoRed | DoGreen | DoBlue;
439
440 if (XAllocColor (display->display, display->cmap, &xc))
441 return set (display, xc.pixel);
442
443 return false;
444}
445
446void 1077void
447rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 1078rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
448{ 1079{
449#if XFT 1080 Display *dpy = display->dpy;
450 cr = c.color.red; 1081 char *data = 0;
451 cg = c.color.green; 1082 unsigned int data_len = 0;
452 cb = c.color.blue; 1083 unsigned long bytes_after;
453#else 1084 XTextProperty ct;
454 XColor c;
455 1085
456 c.pixel = p; 1086 // check for failed XConvertSelection
457 XQueryColor (display->display, display->cmap, &c); 1087 if (prop == None)
1088 {
1089 bool error = true;
1090 int selnum = selection_type & Sel_whereMask;
458 1091
459 cr = c.red; 1092 if (selection_type & Sel_CompoundText)
460 cg = c.green; 1093 {
461 cb = c.blue; 1094 selection_type = 0;
462#endif 1095 error = !request (XA_STRING, selnum);
463} 1096 }
464 1097
1098 if (selection_type & Sel_UTF8String)
1099 {
1100 selection_type = Sel_CompoundText;
1101 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1102 }
1103
1104 if (error)
1105 {
1106 ct.value = 0;
1107 goto bailout;
1108 }
1109
1110 return;
1111 }
1112
1113 // length == (2^31 - 1) / 4, as gdk
1114 if (XGetWindowProperty (dpy, win, prop,
1115 0, 0x1fffffff,
1116 delete_prop, AnyPropertyType,
1117 &ct.encoding, &ct.format,
1118 &ct.nitems, &bytes_after,
1119 &ct.value) != Success)
1120 {
1121 ct.value = 0;
1122 goto bailout;
1123 }
1124
1125 if (ct.encoding == None)
1126 goto bailout;
1127
1128 if (ct.value == 0)
1129 goto bailout;
1130
1131 if (ct.encoding == display->xa[XA_INCR])
1132 {
1133 // INCR selection, start handshake
1134 if (!delete_prop)
1135 XDeleteProperty (dpy, win, prop);
1136
1137 selection_wait = Sel_incr;
1138 timer_ev.again ();
1139
1140 goto bailout;
1141 }
1142
1143 if (ct.nitems == 0)
1144 {
1145 if (selection_wait == Sel_incr)
1146 {
1147 XFree (ct.value);
1148
1149 // finally complete, now paste the whole thing
1150 selection_wait = Sel_normal;
1151 ct.value = (unsigned char *)incr_buf;
1152 ct.nitems = incr_buf_fill;
1153 incr_buf = 0;
1154 timer_ev.stop ();
1155 }
1156 else
1157 {
1158 // avoid recursion
1159 if (win != display->root || prop != XA_CUT_BUFFER0)
1160 {
1161 XFree (ct.value);
1162
1163 // fallback to CUT_BUFFER0 if the requested property
1164 // has an owner but is empty
1165 handle_selection (display->root, XA_CUT_BUFFER0, False);
1166 return;
1167 }
1168
1169 goto bailout;
1170 }
1171 }
1172 else if (selection_wait == Sel_incr)
1173 {
1174 timer_ev.again ();
1175
1176 while (incr_buf_fill + ct.nitems > incr_buf_size)
1177 {
1178 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1179 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1180 }
1181
1182 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1183 incr_buf_fill += ct.nitems;
1184
1185 goto bailout;
1186 }
1187
1188 char **cl;
1189 int cr;
1190
1191 // we honour the first item only
1192
1193#if !ENABLE_MINIMAL
1194 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1195 // so recode it manually
1196 if (ct.encoding == display->xa[XA_UTF8_STRING])
1197 {
1198 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1199 data = rxvt_wcstombs (w);
1200 free (w);
1201 }
1202 else
1203#endif
1204 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1205 && cl)
1206 {
1207 data = strdup (cl[0]);
1208 XFreeStringList (cl);
1209 }
1210 else
1211 {
1212 // paste raw
1213 data = strdup ((const char *)ct.value);
1214 }
1215
1216 data_len = strlen (data);
1217
1218bailout:
1219 XFree (ct.value);
1220
1221 if (selection_wait == Sel_normal)
1222 {
1223 finish (data, data_len);
1224 free (data);
1225 }
1226}
1227
465void 1228void
466rxvt_color::free (rxvt_display *display) 1229rxvt_selection::timer_cb (ev::timer &w, int revents)
467{ 1230{
468#if XFT 1231 if (selection_wait == Sel_incr)
469 XftColorFree (display->display, display->visual, display->cmap, &c); 1232 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
470#else
471 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
472#endif
473}
474 1233
475rxvt_color 1234 finish ();
476rxvt_color::fade (rxvt_display *display, int percent)
477{
478 percent = 100 - percent;
479
480 unsigned short cr, cg, cb;
481 rxvt_color faded;
482
483 get (display, cr, cg, cb);
484
485 faded.set (
486 display,
487 cr * percent / 100,
488 cg * percent / 100,
489 cb * percent / 100
490 );
491
492 return faded;
493} 1235}
494 1236
495#define LERP(a,b,p) (a * p + b * (100 - p)) / 100 1237void
496 1238rxvt_selection::x_cb (XEvent &xev)
497rxvt_color
498rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
499{ 1239{
500 percent = 100 - percent; 1240 switch (xev.type)
1241 {
1242 case PropertyNotify:
1243 if (selection_wait == Sel_incr
1244 && xev.xproperty.atom == request_prop
1245 && xev.xproperty.state == PropertyNewValue)
1246 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1247 break;
501 1248
502 unsigned short cr, cg, cb; 1249 case SelectionNotify:
503 unsigned short fcr, fcg, fcb; 1250 if (selection_wait == Sel_normal
504 rxvt_color faded; 1251 && xev.xselection.time == request_time)
505 1252 {
506 get (display, cr, cg, cb); 1253 timer_ev.stop ();
507 fadeto.get(display, fcr, fcg, fcb); 1254 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
508 1255 }
509 faded.set ( 1256 break;
510 display, 1257 }
511 LERP (cr, fcr, percent),
512 LERP (cg, fcg, percent),
513 LERP (cb, fcb, percent)
514 );
515
516 return faded;
517} 1258}
518

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