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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 1.147 by root, Wed Dec 17 13:16:18 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
… …
22 23
23#include "../config.h" 24#include "../config.h"
24#include <rxvt.h> 25#include <rxvt.h>
25#include <rxvttoolkit.h> 26#include <rxvttoolkit.h>
26 27
28#include <stdlib.h>
29
27#include <unistd.h> 30#include <unistd.h>
28#include <fcntl.h> 31#include <fcntl.h>
29 32
30#ifndef NO_SLOW_LINK_SUPPORT 33#include <sys/utsname.h>
31# include <sys/socket.h> 34#include <sys/socket.h>
32# include <sys/un.h> 35#include <sys/un.h>
36
37#if XFT
38# include <X11/extensions/Xrender.h>
39#endif
40
41static const char *const xa_names[] =
42{
43 "TEXT",
44 "COMPOUND_TEXT",
45 "UTF8_STRING",
46 "MULTIPLE",
47 "TARGETS",
48 "TIMESTAMP",
49 "VT_SELECTION",
50 "INCR",
51 "WM_PROTOCOLS",
52 "WM_DELETE_WINDOW",
53 "CLIPBOARD",
54 "AVERAGE_WIDTH",
55 "WEIGHT_NAME",
56 "SLANT",
57 "CHARSET_REGISTRY",
58 "CHARSET_ENCODING",
59#if ENABLE_FRILLS
60 "_MOTIF_WM_HINTS",
61#endif
62#if ENABLE_EWMH
63 "_NET_WM_PID",
64 "_NET_WM_NAME",
65 "_NET_WM_ICON_NAME",
66 "_NET_WM_PING",
67 "_NET_WM_ICON",
68#endif
69#if USE_XIM
70 "WM_LOCALE_NAME",
71 "XIM_SERVERS",
72#endif
73#if HAVE_IMG || ENABLE_PERL
74 "_XROOTPMAP_ID",
75 "ESETROOT_PMAP_ID",
76#endif
77#if ENABLE_XEMBED
78 "_XEMBED",
79 "_XEMBED_INFO",
80#endif
81#if !ENABLE_MINIMAL
82 "SCREEN_RESOURCES",
83 "XDCCC_LINEAR_RGB_CORRECTION",
84 "XDCCC_LINEAR_RGB_MATRICES",
85 "WM_COLORMAP_WINDOWS",
86 "WM_STATE",
87 "cursor",
88# if USE_XIM
89 "TRANSPORT",
90 "LOCALES",
91 "_XIM_PROTOCOL",
92 "_XIM_XCONNECT",
93 "_XIM_MOREDATA",
33#endif 94# endif
95#endif
96};
97
98/////////////////////////////////////////////////////////////////////////////
34 99
35refcounted::refcounted (const char *id) 100refcounted::refcounted (const char *id)
36{ 101{
37 this->id = strdup (id); 102 this->id = strdup (id);
38} 103}
… …
47{ 112{
48 for (T **i = this->begin (); i < this->end (); ++i) 113 for (T **i = this->begin (); i < this->end (); ++i)
49 { 114 {
50 if (!strcmp (id, (*i)->id)) 115 if (!strcmp (id, (*i)->id))
51 { 116 {
52 (*i)->referenced++; 117 ++(*i)->referenced;
118 (*i)->ref_next ();
53 return *i; 119 return *i;
54 } 120 }
55 } 121 }
56 122
57 T *obj = new T (id); 123 T *obj = new T (id);
58 124
59 obj->referenced = 1;
60
61 if (obj && obj->init ()) 125 if (obj && obj->ref_init ())
62 { 126 {
127 obj->referenced = 1;
63 this->push_back (obj); 128 this->push_back (obj);
64 return obj; 129 return obj;
65 } 130 }
66 else 131 else
67 { 132 {
… …
90 put (*this->begin ()); 155 put (*this->begin ());
91} 156}
92 157
93///////////////////////////////////////////////////////////////////////////// 158/////////////////////////////////////////////////////////////////////////////
94 159
95#ifdef USE_XIM 160#if USE_XIM
161
96static void 162static void
97#if XIMCB_PROTO_BROKEN 163#if XIMCB_PROTO_BROKEN
98im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) 164im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3)
99#else 165#else
100im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3) 166im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3)
… …
107 173
108 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim)); 174 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim));
109 display->im_change_cb (); 175 display->im_change_cb ();
110} 176}
111 177
178bool
112bool rxvt_xim::init () 179rxvt_xim::ref_init ()
113{ 180{
114 display = GET_R->display; //HACK: TODO 181 display = GET_R->display; //HACK: TODO
115 182
116 xim = XOpenIM (display->display, NULL, NULL, NULL); 183 xim = XOpenIM (display->dpy, 0, 0, 0);
117 184
118 if (!xim) 185 if (!xim)
119 return false; 186 return false;
120 187
121 XIMCallback ximcallback; 188 XIMCallback ximcallback;
122 ximcallback.client_data = (XPointer)this; 189 ximcallback.client_data = (XPointer)this;
123 ximcallback.callback = im_destroy_cb; 190 ximcallback.callback = im_destroy_cb;
124 191
125 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 192 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
126 193
127 return true; 194 return true;
128} 195}
129 196
130rxvt_xim::~rxvt_xim () 197rxvt_xim::~rxvt_xim ()
131{ 198{
132 if (xim) 199 if (xim)
133 XCloseIM (xim); 200 XCloseIM (xim);
134} 201}
202
135#endif 203#endif
204
205/////////////////////////////////////////////////////////////////////////////
206
207#if XFT
208rxvt_drawable::~rxvt_drawable ()
209{
210 if (xftdrawable)
211 XftDrawDestroy (xftdrawable);
212}
213
214rxvt_drawable::operator XftDraw *()
215{
216 if (!xftdrawable)
217 xftdrawable = XftDrawCreate (screen->dpy, drawable, screen->visual, screen->cmap);
218
219 return xftdrawable;
220}
221#endif
222
223/////////////////////////////////////////////////////////////////////////////
224
225#if XFT
226
227// not strictly necessary as it is only used with superclass of zero_initialised
228rxvt_screen::rxvt_screen ()
229: scratch_area (0)
230{
231}
232
233rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h)
234{
235 if (!scratch_area || w > scratch_w || h > scratch_h)
236 {
237 if (scratch_area)
238 {
239 XFreePixmap (dpy, scratch_area->drawable);
240 delete scratch_area;
241 }
242
243 Pixmap pm = XCreatePixmap (dpy, RootWindowOfScreen (ScreenOfDisplay (dpy, display->screen)),
244 scratch_w = w, scratch_h = h, depth);
245
246 scratch_area = new rxvt_drawable (this, pm);
247 }
248
249 return *scratch_area;
250}
251
252#endif
253
254void
255rxvt_screen::set (rxvt_display *disp)
256{
257 display = disp;
258 dpy = disp->dpy;
259
260 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
261
262 depth = DefaultDepthOfScreen (screen);
263 visual = DefaultVisualOfScreen (screen);
264 cmap = DefaultColormapOfScreen (screen);
265}
266
267#if ENABLE_FRILLS
268
269void
270rxvt_screen::select_visual (int id)
271{
272 XVisualInfo vinfo;
273 vinfo.visualid = id;
274 int n;
275
276 if (XVisualInfo *vi = XGetVisualInfo (dpy, VisualIDMask, &vinfo, &n))
277 {
278 depth = vi->depth;
279 visual = vi->visual;
280
281 XFree (vi);
282
283 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
284 }
285 else
286 rxvt_warn ("no visual found for requested id 0x%02x, using default visual.\n", id);
287}
288
289void
290rxvt_screen::select_depth (int bitdepth)
291{
292 XVisualInfo vinfo;
293
294 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
295 select_visual (vinfo.visualid);
296 else
297 rxvt_warn ("no visual found for requested depth %d, using default visual.\n", bitdepth);
298}
299
300#endif
301
302void
303rxvt_screen::clear ()
304{
305#if XFT
306 if (scratch_area)
307 {
308 XFreePixmap (dpy, scratch_area->drawable);
309 delete scratch_area;
310 }
311#endif
312
313 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
314 XFreeColormap (dpy, cmap);
315}
136 316
137///////////////////////////////////////////////////////////////////////////// 317/////////////////////////////////////////////////////////////////////////////
138 318
139rxvt_display::rxvt_display (const char *id) 319rxvt_display::rxvt_display (const char *id)
140: refcounted (id) 320: refcounted (id)
141, x_ev (this, &rxvt_display::x_cb)
142, selection_owner (0) 321, selection_owner (0)
322, clipboard_owner (0)
143{ 323{
324 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
325 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
144} 326}
145 327
328XrmDatabase
329rxvt_display::get_resources (bool refresh)
330{
331 char *homedir = getenv ("HOME");
332 char fname[1024];
333
334 /*
335 * get resources using the X library function
336 */
337 char *displayResource, *xe;
338 XrmDatabase rdb1, database = 0;
339
340#if !XLIB_ILLEGAL_ACCESS
341 /* work around a bug in XrmSetDatabase where it frees the db, see ref_next */
342 database = XrmGetStringDatabase ("");
343#endif
344
345 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
346 // as opposed to "standard practise", we always read in ~/.Xdefaults
347
348 // 6. System wide per application default file.
349
350 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
351 if ((xe = getenv ("XAPPLRESDIR")))
352 {
353 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
354
355 if ((rdb1 = XrmGetFileDatabase (fname)))
356 XrmMergeDatabases (rdb1, &database);
357 }
358
359 // 5. User's per application default file.
360 // none
361
362 // 4. User's defaults file.
363 if (homedir)
364 {
365 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
366
367 if ((rdb1 = XrmGetFileDatabase (fname)))
368 XrmMergeDatabases (rdb1, &database);
369 }
370
371 /* Get any Xserver defaults */
372 if (refresh)
373 {
374 // fucking xlib keeps a copy of the rm string
375 Atom actual_type;
376 int actual_format;
377 unsigned long nitems, nremaining;
378 char *val = 0;
379
380#if XLIB_ILLEGAL_ACCESS
381 if (dpy->xdefaults)
382 XFree (dpy->xdefaults);
383#endif
384
385 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
386 0L, 100000000L, False,
387 XA_STRING, &actual_type, &actual_format,
388 &nitems, &nremaining,
389 (unsigned char **)&val) == Success
390 && actual_type == XA_STRING
391 && actual_format == 8)
392 displayResource = val;
393 else
394 {
395 displayResource = 0;
396
397 if (val)
398 XFree (val);
399 }
400
401#if XLIB_ILLEGAL_ACCESS
402 dpy->xdefaults = displayResource;
403#endif
404 }
405 else
406 displayResource = XResourceManagerString (dpy);
407
408 if (displayResource)
409 {
410 if ((rdb1 = XrmGetStringDatabase (displayResource)))
411 XrmMergeDatabases (rdb1, &database);
412 }
413
414#if !XLIB_ILLEGAL_ACCESS
415 if (refresh && displayResource)
416 XFree (displayResource);
417#endif
418
419 /* Get screen specific resources */
420 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
421
422 if (displayResource)
423 {
424 if ((rdb1 = XrmGetStringDatabase (displayResource)))
425 /* Merge with screen-independent resources */
426 XrmMergeDatabases (rdb1, &database);
427
428 XFree (displayResource);
429 }
430
431 // 3. User's per host defaults file
432 /* Add in XENVIRONMENT file */
433 if ((xe = getenv ("XENVIRONMENT"))
434 && (rdb1 = XrmGetFileDatabase (xe)))
435 XrmMergeDatabases (rdb1, &database);
436 else if (homedir)
437 {
438 struct utsname un;
439
440 if (!uname (&un))
441 {
442 snprintf (fname, sizeof (fname), "%s/.Xdefaults-%s", homedir, un.nodename);
443
444 if ((rdb1 = XrmGetFileDatabase (fname)))
445 XrmMergeDatabases (rdb1, &database);
446 }
447 }
448
449 return database;
450}
451
146bool rxvt_display::init () 452bool rxvt_display::ref_init ()
147{ 453{
148#ifdef LOCAL_X_IS_UNIX 454#ifdef LOCAL_X_IS_UNIX
149 if (id[0] == ':') 455 if (id[0] == ':')
150 { 456 {
151 val = rxvt_malloc (5 + strlen (id) + 1); 457 char *val = rxvt_temp_buf<char> (5 + strlen (id) + 1);
458
152 strcpy (val, "unix/"); 459 strcpy (val, "unix/");
153 strcat (val, id); 460 strcat (val, id);
461
154 display = XOpenDisplay (val); 462 dpy = XOpenDisplay (val);
155 free (val);
156 } 463 }
157 else 464 else
158#endif 465#endif
159 display = 0; 466 dpy = 0;
160 467
161 if (!display) 468 if (!dpy)
162 display = XOpenDisplay (id); 469 dpy = XOpenDisplay (id);
163 470
164 if (!display) 471 if (!dpy)
165 return false; 472 return false;
166 473
167 screen = DefaultScreen (display); 474 screen = DefaultScreen (dpy);
168 root = DefaultRootWindow (display); 475 root = DefaultRootWindow (dpy);
169 visual = DefaultVisual (display, screen);
170 cmap = DefaultColormap (display, screen);
171 depth = DefaultDepth (display, screen);
172 476
173 int fd = XConnectionNumber (display); 477 assert (ecb_array_length (xa_names) == NUM_XA);
478 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
174 479
175#ifndef NO_SLOW_LINK_SUPPORT 480 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
186 481
187#ifdef POINTER_BLANK 482#ifdef POINTER_BLANK
188 XColor blackcolour; 483 XColor blackcolour;
189 blackcolour.red = 0; 484 blackcolour.red = 0;
190 blackcolour.green = 0; 485 blackcolour.green = 0;
191 blackcolour.blue = 0; 486 blackcolour.blue = 0;
192 Font f = XLoadFont (display, "fixed"); 487 Font f = XLoadFont (dpy, "fixed");
193 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 488 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
194 &blackcolour, &blackcolour); 489 &blackcolour, &blackcolour);
195 XUnloadFont (display, f); 490 XUnloadFont (dpy, f);
196#endif 491#endif
197 492
198#ifdef PREFER_24BIT 493 flags = 0;
199 /* 494#if XRENDER
200 * If depth is not 24, look for a 24bit visual. 495 int major, minor;
201 */ 496 if (XRenderQueryVersion (dpy, &major, &minor))
202 if (depth != 24) 497 if (major > 0 || (major == 0 && minor >= 11))
203 { 498 {
204 XVisualInfo vinfo; 499 flags |= DISPLAY_HAS_RENDER;
205 500
206 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo)) 501 if (XFilters *filters = XRenderQueryFilters (dpy, root))
207 { 502 {
208 depth = 24; 503 for (int i = 0; i < filters->nfilter; i++)
209 visual = vinfo.visual; 504 if (!strcmp (filters->filter [i], FilterConvolution))
210 cmap = XCreateColormap (display, 505 flags |= DISPLAY_HAS_RENDER_CONV;
211 RootWindow (display, screen), 506
212 visual, AllocNone); 507 XFree (filters);
213 } 508 }
214 } 509 }
215#endif 510#endif
216 511
512 int fd = XConnectionNumber (dpy);
513
514 // try to detect whether we have a local connection.
515 // assume unix domain socket == local, everything else not
516 // TODO: might want to check for inet/127.0.0.1
517 is_local = 0;
518 sockaddr_un sa;
519 socklen_t sl = sizeof (sa);
520
521 if (!getsockname (fd, (sockaddr *)&sa, &sl))
522 is_local = sa.sun_family == AF_UNIX;
523
524 flush_ev.start ();
217 x_ev.start (fd, EVENT_READ); 525 x_ev.start (fd, ev::READ);
218 fcntl (fd, F_SETFD, FD_CLOEXEC); 526 fcntl (fd, F_SETFD, FD_CLOEXEC);
219 527
220 XSelectInput (display, root, PropertyChangeMask); 528 XSelectInput (dpy, root, PropertyChangeMask);
221#ifdef USE_XIM
222 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
223#endif
224 529
225 flush (); 530 flush ();
226 531
227 return true; 532 return true;
228} 533}
229 534
535void
536rxvt_display::ref_next ()
537{
538 // TODO: somehow check whether the database files/resources changed
539 // before affording re-loading/parsing
540 XrmDestroyDatabase (XrmGetDatabase (dpy));
541#if XLIB_ILLEGAL_ACCESS
542 /* work around a bug in XrmSetDatabase where it frees the db */
543 dpy->db = 0;
544#endif
545 XrmSetDatabase (dpy, get_resources (true));
546}
547
230rxvt_display::~rxvt_display () 548rxvt_display::~rxvt_display ()
231{ 549{
550 if (!dpy)
551 return;
552
553#ifdef POINTER_BLANK
554 XFreeCursor (dpy, blank_cursor);
555#endif
232 x_ev.stop (); 556 x_ev.stop ();
557 flush_ev.stop ();
233#ifdef USE_XIM 558#if USE_XIM
234 xims.clear (); 559 xims.clear ();
235#endif 560#endif
236 561 XrmDestroyDatabase (XrmGetDatabase (dpy));
237 if (display)
238 XCloseDisplay (display); 562 XCloseDisplay (dpy);
239} 563}
240 564
241#ifdef USE_XIM 565#if USE_XIM
242void rxvt_display::im_change_cb () 566void rxvt_display::im_change_cb ()
243{ 567{
244 for (im_watcher **i = imw.begin (); i != imw.end (); ++i) 568 for (im_watcher **i = imw.begin (); i != imw.end (); ++i)
245 (*i)->call (); 569 (*i)->call ();
246} 570}
… …
251 // registers, as xlib crashes due to a race otherwise. 575 // registers, as xlib crashes due to a race otherwise.
252 Atom actual_type, *atoms; 576 Atom actual_type, *atoms;
253 int actual_format; 577 int actual_format;
254 unsigned long nitems, bytes_after; 578 unsigned long nitems, bytes_after;
255 579
256 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 580 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
257 False, XA_ATOM, &actual_type, &actual_format, 581 False, XA_ATOM, &actual_type, &actual_format,
258 &nitems, &bytes_after, (unsigned char **)&atoms) 582 &nitems, &bytes_after, (unsigned char **)&atoms)
259 != Success ) 583 != Success)
260 return; 584 return;
261 585
262 if (actual_type == XA_ATOM && actual_format == 32) 586 if (actual_type == XA_ATOM && actual_format == 32)
263 for (int i = 0; i < nitems; i++) 587 for (int i = 0; i < nitems; i++)
264 if (XGetSelectionOwner (display, atoms[i])) 588 if (XGetSelectionOwner (dpy, atoms[i]))
265 { 589 {
266 im_change_cb (); 590 im_change_cb ();
267 break; 591 break;
268 } 592 }
269 593
270 XFree (atoms); 594 XFree (atoms);
271} 595}
272#endif 596#endif
273 597
274void rxvt_display::x_cb (io_watcher &w, short revents) 598void rxvt_display::x_cb (ev::io &w, int revents)
275{ 599{
600 flush_ev.start ();
601}
602
603void rxvt_display::flush_cb (ev::prepare &w, int revents)
604{
605 while (XEventsQueued (dpy, QueuedAfterFlush))
276 do 606 do
277 { 607 {
278 XEvent xev; 608 XEvent xev;
279 XNextEvent (display, &xev); 609 XNextEvent (dpy, &xev);
280 610
281#ifdef USE_XIM 611#if USE_XIM
282 if (!XFilterEvent (&xev, None)) 612 if (!XFilterEvent (&xev, None))
283 { 613 {
284 if (xev.type == PropertyNotify 614 if (xev.type == PropertyNotify
285 && xev.xany.window == root 615 && xev.xany.window == root
286 && xev.xproperty.atom == xa_xim_servers) 616 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
287 im_change_check (); 617 im_change_check ();
288#endif 618#endif
619 if (xev.type == MappingNotify)
620 XRefreshKeyboardMapping (&xev.xmapping);
621
289 for (int i = xw.size (); i--; ) 622 for (int i = xw.size (); i--; )
290 { 623 {
291 if (!xw[i]) 624 if (!xw[i])
292 xw.erase_unordered (i); 625 xw.erase_unordered (i);
293 else if (xw[i]->window == xev.xany.window) 626 else if (xw[i]->window == xev.xany.window)
294 xw[i]->call (xev); 627 xw[i]->call (xev);
295 } 628 }
296#ifdef USE_XIM 629#if USE_XIM
297 } 630 }
298#endif 631#endif
299 } 632 }
300 while (XEventsQueued (display, QueuedAlready)); 633 while (XEventsQueued (dpy, QueuedAlready));
301 634
302 XFlush (display); 635 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} 636}
312 637
313void rxvt_display::reg (xevent_watcher *w) 638void rxvt_display::reg (xevent_watcher *w)
314{ 639{
640 if (!w->active)
641 {
315 xw.push_back (w); 642 xw.push_back (w);
316 w->active = xw.size (); 643 w->active = xw.size ();
644 }
317} 645}
318 646
319void rxvt_display::unreg (xevent_watcher *w) 647void rxvt_display::unreg (xevent_watcher *w)
320{ 648{
321 if (w->active) 649 if (w->active)
650 {
322 xw[w->active - 1] = 0; 651 xw[w->active - 1] = 0;
652 w->active = 0;
653 }
323} 654}
324 655
325void rxvt_display::set_selection_owner (rxvt_term *owner) 656void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
326{ 657{
658 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
659
327 if (selection_owner && selection_owner != owner) 660 if (cur_owner && cur_owner != owner)
328 selection_owner->selection_clear (); 661 {
662 rxvt_term *term = cur_owner;
663 term->selection_clear (clipboard);
664 term->flush ();
665 }
329 666
330 selection_owner = owner; 667 cur_owner = owner;
331} 668}
332 669
333#ifdef USE_XIM 670#if USE_XIM
671
334void rxvt_display::reg (im_watcher *w) 672void rxvt_display::reg (im_watcher *w)
335{ 673{
336 imw.push_back (w); 674 imw.push_back (w);
337} 675}
338 676
… …
347 int l, m; 685 int l, m;
348 686
349 l = strlen (locale); 687 l = strlen (locale);
350 m = strlen (modifiers); 688 m = strlen (modifiers);
351 689
352 if (!(id = (char *)malloc (l + m + 2))) 690 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
353 return 0; 691 return 0;
354 692
355 memcpy (id, locale, l); id[l] = '\n'; 693 memcpy (id, locale, l); id[l] = '\n';
356 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 694 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
357 695
358 rxvt_xim *xim = xims.get (id); 696 rxvt_xim *xim = xims.get (id);
359 697
360 free (id);
361
362 return xim; 698 return xim;
363} 699}
364 700
365void rxvt_display::put_xim (rxvt_xim *xim) 701void rxvt_display::put_xim (rxvt_xim *xim)
366{ 702{
367#if XLIB_IS_RACEFREE 703# if XLIB_IS_RACEFREE
368 xims.put (xim); 704 xims.put (xim);
369#endif 705# endif
370} 706}
707
371#endif 708#endif
372 709
373Atom rxvt_display::atom (const char *name) 710Atom rxvt_display::atom (const char *name)
374{ 711{
375 return XInternAtom (display, name, False); 712 return XInternAtom (dpy, name, False);
713}
714
715Pixmap
716rxvt_display::get_pixmap_property (Atom property)
717{
718 Pixmap pixmap = None;
719
720 int aformat;
721 unsigned long nitems, bytes_after;
722 Atom atype;
723 unsigned char *prop;
724 int result = XGetWindowProperty (dpy, root, property,
725 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
726 &nitems, &bytes_after, &prop);
727 if (result == Success)
728 {
729 if (atype == XA_PIXMAP)
730 pixmap = *(Pixmap *)prop;
731 XFree (prop);
732 }
733
734 return pixmap;
376} 735}
377 736
378///////////////////////////////////////////////////////////////////////////// 737/////////////////////////////////////////////////////////////////////////////
379 738
380template class refcache<rxvt_display>; 739template class refcache<rxvt_display>;
381refcache<rxvt_display> displays; 740refcache<rxvt_display> displays;
382 741
383///////////////////////////////////////////////////////////////////////////// 742/////////////////////////////////////////////////////////////////////////////
384 743//
744
745static unsigned int
746insert_component (unsigned int value, unsigned int mask, unsigned int shift)
747{
748 return (value * (mask + 1) >> 16) << shift;
749}
750
385bool 751bool
386rxvt_color::set (rxvt_display *display, Pixel p) 752rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
387{ 753{
754 //TODO: only supports 24 bit
755 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
756
388#if XFT 757#if XFT
389 XColor xc; 758 XRenderPictFormat *format;
390 759
391 xc.pixel = p; 760 // FUCKING Xft gets it wrong, of course, so work around it.
392 if (!XQueryColor (display->display, display->cmap, &xc)) 761 // Transparency users should eat shit and die, and then
393 return false; 762 // XRenderQueryPictIndexValues themselves plenty.
763 if ((screen->visual->c_class == TrueColor)
764 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
765 {
766 // the fun lies in doing everything manually...
767 c.color.red = color.r;
768 c.color.green = color.g;
769 c.color.blue = color.b;
770 c.color.alpha = alpha;
394 771
772 // Xft wants premultiplied alpha, but abuses the alpha channel
773 // as blend factor, and doesn't allow us to set the alpha channel
774 c.color.red = c.color.red * alpha / 0xffff;
775 c.color.green = c.color.green * alpha / 0xffff;
776 c.color.blue = c.color.blue * alpha / 0xffff;
777
778 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
779 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
780 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
781 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
782
783 return true;
784 }
785 else
786 {
395 XRenderColor d; 787 XRenderColor d;
396 788
397 d.red = xc.red; 789 d.red = color.r;
398 d.green = xc.green; 790 d.green = color.g;
399 d.blue = xc.blue; 791 d.blue = color.b;
400 d.alpha = 0xffff; 792 d.alpha = alpha;
401 793
402 return 794 // XftColorAlloc always returns 100% transparent pixels(!)
403 XftColorAllocValue (display->display, 795 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
404 display->visual, 796 return true;
405 display->cmap, 797 }
406 &d, &c);
407#else 798#else
408 this->p = p; 799 c.red = color.r;
409#endif 800 c.green = color.g;
801 c.blue = color.b;
410 802
803 if (screen->visual->c_class == TrueColor)
804 {
805 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
806 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
807 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
808
809 return true;
810 }
811 else if (XAllocColor (screen->dpy, screen->cmap, &c))
411 return true; 812 return true;
813#endif
814
815 //TODO: set c.color* or c.*
816 c.pixel = (color.r * 2 + color.g * 3 + color.b) >= 0x8000 * 6
817 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
818 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
819
820 return false;
412} 821}
413 822
414bool 823bool
415rxvt_color::set (rxvt_display *display, const char *name) 824rxvt_color::set (rxvt_screen *screen, const char *name)
825{
826 rgba c;
827 char eos;
828 int skip;
829
830 c.a = rgba::MAX_CC;
831
832 // parse the nonstandard "[alphapercent]" prefix
833 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
834 {
835 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
836 name += skip;
837 }
838
839 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
840 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
841 {
842 XColor xc;
843
844 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
845 {
846 c.r = xc.red;
847 c.g = xc.green;
848 c.b = xc.blue;
849 }
850 else
851 {
852 c.r = 0xffff;
853 c.g = 0x6969;
854 c.b = 0xb4b4;
855
856 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
857 }
858 }
859
860 return set (screen, c);
861}
862
863bool
864rxvt_color::set (rxvt_screen *screen, const rgba &color)
865{
866 bool got = alloc (screen, color);
867
868#if !ENABLE_MINIMAL
869 int cmap_size = screen->visual->map_entries;
870
871 if (!got
872 && screen->visual->c_class == PseudoColor
873 && cmap_size < 4096)
874 {
875 XColor *colors = new XColor [screen->visual->map_entries];
876
877 for (int i = 0; i < cmap_size; i++)
878 colors [i].pixel = i;
879
880 // many kilobytes transfer per colour, but pseudocolor isn't worth
881 // many extra optimisations.
882 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
883
884 while (cmap_size)
885 {
886 int diff = 0x7fffffffL;
887 XColor *best = colors;
888
889 for (int i = 0; i < cmap_size; i++)
890 {
891 // simple weighted rgb distance sucks, but keeps it simple
892 int d = abs (color.r - colors [i].red ) * 2
893 + abs (color.g - colors [i].green) * 3
894 + abs (color.b - colors [i].blue );
895
896 if (d < diff)
897 {
898 diff = d;
899 best = colors + i;
900 }
901 }
902
903 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d,%d)\n",
904 // color.r, color.g, color.b, best->red, best->green, best->blue, diff, best - colors);
905
906 got = alloc (screen, rgba (best->red, best->green, best->blue));
907
908 if (got)
909 break;
910
911 *best = colors [--cmap_size];
912 }
913
914 delete [] colors;
915 }
916#endif
917
918 return got;
919}
920
921void
922rxvt_color::get (rgba &color) const
416{ 923{
417#if XFT 924#if XFT
418 return XftColorAllocName (display->display, display->visual, display->cmap, 925 //TODO premultiplied alpha??
419 name, &c); 926 color.r = c.color.red;
927 color.g = c.color.green;
928 color.b = c.color.blue;
929 color.a = c.color.alpha;
420#else 930#else
421 XColor xc; 931 color.r = c.red;
932 color.g = c.green;
933 color.b = c.blue;
934 color.a = rgba::MAX_CC;
935#endif
936}
422 937
423 if (XParseColor (display->display, display->cmap, name, &xc)) 938void
424 return set (display, xc.red, xc.green, xc.blue); 939rxvt_color::get (XColor &color) const
940{
941 rgba c;
942 get (c);
943
944 color.red = c.r;
945 color.green = c.g;
946 color.blue = c.b;
947 color.pixel = (Pixel)*this;
948}
949
950void
951rxvt_color::free (rxvt_screen *screen)
952{
953 if (screen->visual->c_class == TrueColor)
954 return; // nothing to do
955
956#if XFT
957 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
958#else
959 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
960#endif
961}
962
963void
964rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
965{
966 rgba c;
967 get (c);
968
969 result.set (
970 screen,
971 rgba (
972 lerp (c.r, to.r, percent),
973 lerp (c.g, to.g, percent),
974 lerp (c.b, to.b, percent),
975 lerp (c.a, to.a, percent)
976 )
977 );
978}
979
980rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
981: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
982{
983 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
984
985 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
986 timer_ev.repeat = 10.;
987 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
988
989 incr_buf = 0;
990 incr_buf_size = incr_buf_fill = 0;
991 selection_wait = Sel_normal;
992 selection_type = selnum;
993 cb_sv = 0;
994}
995
996void
997rxvt_selection::stop ()
998{
999 free (incr_buf);
1000 incr_buf = 0;
1001 timer_ev.stop ();
1002 x_ev.stop (display);
1003}
1004
1005rxvt_selection::~rxvt_selection ()
1006{
1007 stop ();
1008}
1009
1010void
1011rxvt_selection::run ()
1012{
1013 int selnum = selection_type;
1014
1015#if ENABLE_FRILLS
1016 if (selnum == Sel_Primary && display->selection_owner)
1017 {
1018 /* internal selection */
1019 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
1020 finish (str, strlen (str));
1021 free (str);
1022 return;
1023 }
1024#endif
1025
1026#if X_HAVE_UTF8_STRING
1027 selection_type = Sel_UTF8String;
1028 if (request (display->xa[XA_UTF8_STRING], selnum))
1029 return;
1030#else
1031 selection_type = Sel_CompoundText;
1032 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
1033 return;
1034#endif
1035
1036 // fallback to CUT_BUFFER0 if the requested property has no owner
1037 handle_selection (display->root, XA_CUT_BUFFER0, false);
1038}
1039
1040void
1041rxvt_selection::finish (char *data, unsigned int len)
1042{
1043 if (!cb_sv)
1044 {
1045 if (data)
1046 term->paste (data, len);
1047
1048 term->selection_req = 0;
1049 delete this;
1050 }
1051#if ENABLE_PERL
1052 else
1053 {
1054 stop (); // we do not really trust perl callbacks
1055 rxvt_perl.selection_finish (this, data, len);
1056 }
1057#endif
1058}
1059
1060bool
1061rxvt_selection::request (Atom target, int selnum)
1062{
1063 Atom sel;
1064
1065 selection_type |= selnum;
1066
1067 if (selnum == Sel_Primary)
1068 sel = XA_PRIMARY;
1069 else if (selnum == Sel_Secondary)
1070 sel = XA_SECONDARY;
1071 else
1072 sel = display->xa[XA_CLIPBOARD];
1073
1074 if (XGetSelectionOwner (display->dpy, sel) != None)
1075 {
1076 XConvertSelection (display->dpy, sel, target, request_prop,
1077 request_win, request_time);
1078 x_ev.start (display, request_win);
1079 timer_ev.again ();
1080 return true;
1081 }
425 1082
426 return false; 1083 return false;
427#endif
428} 1084}
429 1085
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 1086void
447rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 1087rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
448{ 1088{
449#if XFT 1089 Display *dpy = display->dpy;
450 cr = c.color.red; 1090 char *data = 0;
451 cg = c.color.green; 1091 unsigned int data_len = 0;
452 cb = c.color.blue; 1092 unsigned long bytes_after;
453#else 1093 XTextProperty ct;
454 XColor c;
455 1094
456 c.pixel = p; 1095 // check for failed XConvertSelection
457 XQueryColor (display->display, display->cmap, &c); 1096 if (prop == None)
1097 {
1098 bool error = true;
1099 int selnum = selection_type & Sel_whereMask;
458 1100
459 cr = c.red; 1101 if (selection_type & Sel_CompoundText)
460 cg = c.green; 1102 {
461 cb = c.blue; 1103 selection_type = 0;
462#endif 1104 error = !request (XA_STRING, selnum);
463} 1105 }
464 1106
1107 if (selection_type & Sel_UTF8String)
1108 {
1109 selection_type = Sel_CompoundText;
1110 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1111 }
1112
1113 if (error)
1114 {
1115 ct.value = 0;
1116 goto bailout;
1117 }
1118
1119 return;
1120 }
1121
1122 // length == (2^31 - 1) / 4, as gdk
1123 if (XGetWindowProperty (dpy, win, prop,
1124 0, 0x1fffffff,
1125 delete_prop, AnyPropertyType,
1126 &ct.encoding, &ct.format,
1127 &ct.nitems, &bytes_after,
1128 &ct.value) != Success)
1129 {
1130 ct.value = 0;
1131 goto bailout;
1132 }
1133
1134 if (ct.encoding == None)
1135 goto bailout;
1136
1137 if (ct.value == 0)
1138 goto bailout;
1139
1140 if (ct.encoding == display->xa[XA_INCR])
1141 {
1142 // INCR selection, start handshake
1143 if (!delete_prop)
1144 XDeleteProperty (dpy, win, prop);
1145
1146 selection_wait = Sel_incr;
1147 timer_ev.again ();
1148
1149 goto bailout;
1150 }
1151
1152 if (ct.nitems == 0)
1153 {
1154 if (selection_wait == Sel_incr)
1155 {
1156 XFree (ct.value);
1157
1158 // finally complete, now paste the whole thing
1159 selection_wait = Sel_normal;
1160 ct.value = (unsigned char *)incr_buf;
1161 ct.nitems = incr_buf_fill;
1162 incr_buf = 0;
1163 timer_ev.stop ();
1164 }
1165 else
1166 {
1167 // avoid recursion
1168 if (win != display->root || prop != XA_CUT_BUFFER0)
1169 {
1170 XFree (ct.value);
1171
1172 // fallback to CUT_BUFFER0 if the requested property
1173 // has an owner but is empty
1174 handle_selection (display->root, XA_CUT_BUFFER0, False);
1175 return;
1176 }
1177
1178 goto bailout;
1179 }
1180 }
1181 else if (selection_wait == Sel_incr)
1182 {
1183 timer_ev.again ();
1184
1185 while (incr_buf_fill + ct.nitems > incr_buf_size)
1186 {
1187 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1188 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1189 }
1190
1191 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1192 incr_buf_fill += ct.nitems;
1193
1194 goto bailout;
1195 }
1196
1197 char **cl;
1198 int cr;
1199
1200 // we honour the first item only
1201
1202#if !ENABLE_MINIMAL
1203 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1204 // so recode it manually
1205 if (ct.encoding == display->xa[XA_UTF8_STRING])
1206 {
1207 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1208 data = rxvt_wcstombs (w);
1209 free (w);
1210 }
1211 else
1212#endif
1213 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1214 && cl)
1215 {
1216 data = strdup (cl[0]);
1217 XFreeStringList (cl);
1218 }
1219 else
1220 {
1221 // paste raw
1222 data = strdup ((const char *)ct.value);
1223 }
1224
1225 data_len = strlen (data);
1226
1227bailout:
1228 XFree (ct.value);
1229
1230 if (selection_wait == Sel_normal)
1231 {
1232 finish (data, data_len);
1233 free (data);
1234 }
1235}
1236
465void 1237void
466rxvt_color::free (rxvt_display *display) 1238rxvt_selection::timer_cb (ev::timer &w, int revents)
467{ 1239{
468#if XFT 1240 if (selection_wait == Sel_incr)
469 XftColorFree (display->display, display->visual, display->cmap, &c); 1241 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 1242
475rxvt_color 1243 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} 1244}
494 1245
495#define LERP(a,b,p) (a * p + b * (100 - p)) / 100 1246void
496 1247rxvt_selection::x_cb (XEvent &xev)
497rxvt_color
498rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
499{ 1248{
500 percent = 100 - percent; 1249 switch (xev.type)
1250 {
1251 case PropertyNotify:
1252 if (selection_wait == Sel_incr
1253 && xev.xproperty.atom == request_prop
1254 && xev.xproperty.state == PropertyNewValue)
1255 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1256 break;
501 1257
502 unsigned short cr, cg, cb; 1258 case SelectionNotify:
503 unsigned short fcr, fcg, fcb; 1259 if (selection_wait == Sel_normal
504 rxvt_color faded; 1260 && xev.xselection.time == request_time)
505 1261 {
506 get (display, cr, cg, cb); 1262 timer_ev.stop ();
507 fadeto.get(display, fcr, fcg, fcb); 1263 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
508 1264 }
509 faded.set ( 1265 break;
510 display, 1266 }
511 LERP (cr, fcr, percent),
512 LERP (cg, fcg, percent),
513 LERP (cb, fcb, percent)
514 );
515
516 return faded;
517} 1267}
518

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