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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.23 by root, Wed Jan 11 00:59:58 2006 UTC vs.
Revision 1.103 by root, Fri Sep 4 15:40:13 2009 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) 2003-2007 Marc Lehmann <pcg@goof.com>
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
… …
26 26
27#include <unistd.h> 27#include <unistd.h>
28#include <fcntl.h> 28#include <fcntl.h>
29 29
30#include <sys/utsname.h> 30#include <sys/utsname.h>
31
32#ifndef NO_SLOW_LINK_SUPPORT
33# include <sys/socket.h> 31#include <sys/socket.h>
34# include <sys/un.h> 32#include <sys/un.h>
33
34#if XFT
35# include <X11/extensions/Xrender.h>
36#endif
37
38const char *const xa_names[] =
39{
40 "TEXT",
41 "COMPOUND_TEXT",
42 "UTF8_STRING",
43 "MULTIPLE",
44 "TARGETS",
45 "TIMESTAMP",
46 "VT_SELECTION",
47 "INCR",
48 "WM_PROTOCOLS",
49 "WM_DELETE_WINDOW",
50 "CLIPBOARD",
51 "AVERAGE_WIDTH",
52 "WEIGHT_NAME",
53 "SLANT",
54 "CHARSET_REGISTRY",
55 "CHARSET_ENCODING",
56#if ENABLE_FRILLS
57 "_MOTIF_WM_HINTS",
58#endif
59#if ENABLE_EWMH
60 "_NET_WM_PID",
61 "_NET_WM_NAME",
62 "_NET_WM_ICON_NAME",
63 "_NET_WM_PING",
64 "_NET_WM_ICON",
65#endif
66#if USE_XIM
67 "WM_LOCALE_NAME",
68 "XIM_SERVERS",
69#endif
70#ifdef ENABLE_TRANSPARENCY
71 "_XROOTPMAP_ID",
72 "ESETROOT_PMAP_ID",
73#endif
74#if ENABLE_XEMBED
75 "_XEMBED",
76 "_XEMBED_INFO",
77#endif
78#if !ENABLE_MINIMAL
79 "SCREEN_RESOURCES",
80 "XDCCC_LINEAR_RGB_CORRECTION",
81 "XDCCC_LINEAR_RGB_MATRICES",
82 "WM_COLORMAP_WINDOWS",
83 "WM_STATE",
84 "cursor",
85# if USE_XIM
86 "TRANSPORT",
87 "LOCALES",
88 "_XIM_PROTOCOL",
89 "_XIM_XCONNECT",
90 "_XIM_MOREDATA",
35#endif 91# endif
92#endif
93};
94
95/////////////////////////////////////////////////////////////////////////////
36 96
37refcounted::refcounted (const char *id) 97refcounted::refcounted (const char *id)
38{ 98{
39 this->id = strdup (id); 99 this->id = strdup (id);
40} 100}
… …
93} 153}
94 154
95///////////////////////////////////////////////////////////////////////////// 155/////////////////////////////////////////////////////////////////////////////
96 156
97#ifdef USE_XIM 157#ifdef USE_XIM
158
98static void 159static void
99#if XIMCB_PROTO_BROKEN 160#if XIMCB_PROTO_BROKEN
100im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) 161im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3)
101#else 162#else
102im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3) 163im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3)
… …
114bool 175bool
115rxvt_xim::ref_init () 176rxvt_xim::ref_init ()
116{ 177{
117 display = GET_R->display; //HACK: TODO 178 display = GET_R->display; //HACK: TODO
118 179
119 xim = XOpenIM (display->display, NULL, NULL, NULL); 180 xim = XOpenIM (display->dpy, 0, 0, 0);
120 181
121 if (!xim) 182 if (!xim)
122 return false; 183 return false;
123 184
124 XIMCallback ximcallback; 185 XIMCallback ximcallback;
125 ximcallback.client_data = (XPointer)this; 186 ximcallback.client_data = (XPointer)this;
126 ximcallback.callback = im_destroy_cb; 187 ximcallback.callback = im_destroy_cb;
127 188
128 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 189 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
129 190
130 return true; 191 return true;
131} 192}
132 193
133rxvt_xim::~rxvt_xim () 194rxvt_xim::~rxvt_xim ()
134{ 195{
135 if (xim) 196 if (xim)
136 XCloseIM (xim); 197 XCloseIM (xim);
137} 198}
199
138#endif 200#endif
201
202/////////////////////////////////////////////////////////////////////////////
203
204#if XFT
205rxvt_drawable::~rxvt_drawable ()
206{
207 if (xftdrawable)
208 XftDrawDestroy (xftdrawable);
209}
210
211rxvt_drawable::operator XftDraw *()
212{
213 if (!xftdrawable)
214 xftdrawable = XftDrawCreate (screen->dpy, drawable, screen->visual, screen->cmap);
215
216 return xftdrawable;
217}
218#endif
219
220/////////////////////////////////////////////////////////////////////////////
221
222#if XFT
223
224// not strictly necessary as it is only used with superclass of zero_initialised
225rxvt_screen::rxvt_screen ()
226: scratch_area (0)
227{
228}
229
230rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h)
231{
232 // it's actually faster to re-allocate every time. don't ask me
233 // why, but its likely no big deal there are no roundtrips
234 // (I think/hope).
235 if (!scratch_area || w > scratch_w || h > scratch_h || 1/*D*/)
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
267void
268rxvt_screen::select_visual (int bitdepth)
269{
270#if XFT
271 XVisualInfo vinfo;
272
273 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
274 {
275 depth = bitdepth;
276 visual = vinfo.visual;
277 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
278 }
279#endif
280}
281
282void
283rxvt_screen::clear ()
284{
285#if XFT
286 if (scratch_area)
287 {
288 XFreePixmap (dpy, scratch_area->drawable);
289 delete scratch_area;
290 }
291#endif
292
293 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
294 XFreeColormap (dpy, cmap);
295}
139 296
140///////////////////////////////////////////////////////////////////////////// 297/////////////////////////////////////////////////////////////////////////////
141 298
142rxvt_display::rxvt_display (const char *id) 299rxvt_display::rxvt_display (const char *id)
143: refcounted (id) 300: refcounted (id)
144, x_ev (this, &rxvt_display::x_cb)
145, selection_owner (0) 301, selection_owner (0)
146{ 302{
303 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
304 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
147} 305}
148 306
149XrmDatabase 307XrmDatabase
150rxvt_display::get_resources () 308rxvt_display::get_resources (bool refresh)
151{ 309{
152 char *homedir = (char *)getenv ("HOME"); 310 char *homedir = getenv ("HOME");
153 char fname[1024]; 311 char fname[1024];
154 312
155 /* 313 /*
156 * get resources using the X library function 314 * get resources using the X library function
157 */ 315 */
158 char *displayResource, *xe; 316 char *displayResource, *xe;
159 XrmDatabase database, rdb1; 317 XrmDatabase rdb1, database = 0;
160
161 database = NULL;
162 318
163 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 319 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
320 // as opposed to "standard practise", we always read in ~/.Xdefaults
164 321
165 // 6. System wide per application default file. 322 // 6. System wide per application default file.
166 323
167 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 324 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
168 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 325 if ((xe = getenv ("XAPPLRESDIR")))
169 { 326 {
170 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 327 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
171 328
172 if ((rdb1 = XrmGetFileDatabase (fname))) 329 if ((rdb1 = XrmGetFileDatabase (fname)))
173 XrmMergeDatabases (rdb1, &database); 330 XrmMergeDatabases (rdb1, &database);
… …
175 332
176 // 5. User's per application default file. 333 // 5. User's per application default file.
177 // none 334 // none
178 335
179 // 4. User's defaults file. 336 // 4. User's defaults file.
337 if (homedir)
338 {
339 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
340
341 if ((rdb1 = XrmGetFileDatabase (fname)))
342 XrmMergeDatabases (rdb1, &database);
343 }
344
180 /* Get any Xserver defaults */ 345 /* Get any Xserver defaults */
346 if (refresh)
347 {
348 // fucking xlib keeps a copy of the rm string
349 Atom actual_type;
350 int actual_format;
351 unsigned long nitems, nremaining;
352 char *val = 0;
353
354#if XLIB_ILLEGAL_ACCESS
355 if (dpy->xdefaults)
356 XFree (dpy->xdefaults);
357#endif
358
359 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
360 0L, 100000000L, False,
361 XA_STRING, &actual_type, &actual_format,
362 &nitems, &nremaining,
363 (unsigned char **)&val) == Success
364 && actual_type == XA_STRING
365 && actual_format == 8)
366 displayResource = val;
367 else
368 {
369 displayResource = 0;
370
371 if (val)
372 XFree(val);
373 }
374
375#if XLIB_ILLEGAL_ACCESS
376 dpy->xdefaults = displayResource;
377#endif
378 }
379 else
181 displayResource = XResourceManagerString (display); 380 displayResource = XResourceManagerString (dpy);
182 381
183 if (displayResource != NULL) 382 if (displayResource)
184 { 383 {
185 if ((rdb1 = XrmGetStringDatabase (displayResource))) 384 if ((rdb1 = XrmGetStringDatabase (displayResource)))
186 XrmMergeDatabases (rdb1, &database); 385 XrmMergeDatabases (rdb1, &database);
187 } 386 }
188 else if (homedir)
189 {
190 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
191 387
192 if ((rdb1 = XrmGetFileDatabase (fname))) 388#if !XLIB_ILLEGAL_ACCESS
193 XrmMergeDatabases (rdb1, &database); 389 if (refresh && displayResource)
194 } 390 XFree (displayResource);
391#endif
195 392
196 /* Get screen specific resources */ 393 /* Get screen specific resources */
197 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 394 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
198 395
199 if (displayResource != NULL) 396 if (displayResource)
200 { 397 {
201 if ((rdb1 = XrmGetStringDatabase (displayResource))) 398 if ((rdb1 = XrmGetStringDatabase (displayResource)))
202 /* Merge with screen-independent resources */ 399 /* Merge with screen-independent resources */
203 XrmMergeDatabases (rdb1, &database); 400 XrmMergeDatabases (rdb1, &database);
204 401
205 XFree (displayResource); 402 XFree (displayResource);
206 } 403 }
207 404
208 // 3. User's per host defaults file 405 // 3. User's per host defaults file
209 /* Add in XENVIRONMENT file */ 406 /* Add in XENVIRONMENT file */
210 if ((xe = (char *)getenv ("XENVIRONMENT")) 407 if ((xe = getenv ("XENVIRONMENT"))
211 && (rdb1 = XrmGetFileDatabase (xe))) 408 && (rdb1 = XrmGetFileDatabase (xe)))
212 XrmMergeDatabases (rdb1, &database); 409 XrmMergeDatabases (rdb1, &database);
213 else if (homedir) 410 else if (homedir)
214 { 411 {
215 struct utsname un; 412 struct utsname un;
… …
232 if (id[0] == ':') 429 if (id[0] == ':')
233 { 430 {
234 val = rxvt_malloc (5 + strlen (id) + 1); 431 val = rxvt_malloc (5 + strlen (id) + 1);
235 strcpy (val, "unix/"); 432 strcpy (val, "unix/");
236 strcat (val, id); 433 strcat (val, id);
237 display = XOpenDisplay (val); 434 dpy = XOpenDisplay (val);
238 free (val); 435 free (val);
239 } 436 }
240 else 437 else
241#endif 438#endif
242 display = 0; 439 dpy = 0;
243 440
244 if (!display) 441 if (!dpy)
245 display = XOpenDisplay (id); 442 dpy = XOpenDisplay (id);
246 443
247 if (!display) 444 if (!dpy)
248 return false; 445 return false;
249 446
250 screen = DefaultScreen (display); 447 screen = DefaultScreen (dpy);
251 root = DefaultRootWindow (display); 448 root = DefaultRootWindow (dpy);
252 visual = DefaultVisual (display, screen);
253 cmap = DefaultColormap (display, screen);
254 depth = DefaultDepth (display, screen);
255 449
450 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
451 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
452
256 XrmSetDatabase (display, get_resources ()); 453 XrmSetDatabase (dpy, get_resources (false));
257 454
258#ifdef POINTER_BLANK 455#ifdef POINTER_BLANK
259 XColor blackcolour; 456 XColor blackcolour;
260 blackcolour.red = 0; 457 blackcolour.red = 0;
261 blackcolour.green = 0; 458 blackcolour.green = 0;
262 blackcolour.blue = 0; 459 blackcolour.blue = 0;
263 Font f = XLoadFont (display, "fixed"); 460 Font f = XLoadFont (dpy, "fixed");
264 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 461 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
265 &blackcolour, &blackcolour); 462 &blackcolour, &blackcolour);
266 XUnloadFont (display, f); 463 XUnloadFont (dpy, f);
267#endif 464#endif
268 465
269#ifdef PREFER_24BIT
270 /*
271 * If depth is not 24, look for a 24bit visual.
272 */
273 if (depth != 24)
274 {
275 XVisualInfo vinfo;
276
277 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
278 {
279 depth = 24;
280 visual = vinfo.visual;
281 cmap = XCreateColormap (display,
282 RootWindow (display, screen),
283 visual, AllocNone);
284 }
285 }
286#endif
287
288 int fd = XConnectionNumber (display); 466 int fd = XConnectionNumber (dpy);
289 467
290#ifndef NO_SLOW_LINK_SUPPORT
291 // try to detect wether we have a local connection. 468 // try to detect wether we have a local connection.
292 // assume unix domains socket == local, everything else not 469 // assume unix domain socket == local, everything else not
293 // TODO: might want to check for inet/127.0.0.1 470 // TODO: might want to check for inet/127.0.0.1
294 is_local = 0; 471 is_local = 0;
295 sockaddr_un sa; 472 sockaddr_un sa;
296 socklen_t sl = sizeof (sa); 473 socklen_t sl = sizeof (sa);
297 474
298 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 475 if (!getsockname (fd, (sockaddr *)&sa, &sl))
299 is_local = sa.sun_family == AF_LOCAL; 476 is_local = sa.sun_family == AF_UNIX;
300#endif
301 477
478 flush_ev.start ();
302 x_ev.start (fd, EVENT_READ); 479 x_ev.start (fd, ev::READ);
303 fcntl (fd, F_SETFD, FD_CLOEXEC); 480 fcntl (fd, F_SETFD, FD_CLOEXEC);
304 481
305 XSelectInput (display, root, PropertyChangeMask); 482 XSelectInput (dpy, root, PropertyChangeMask);
306#ifdef USE_XIM
307 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
308#endif
309 483
310 flush (); 484 flush ();
311 485
312 return true; 486 return true;
313} 487}
314 488
315void 489void
316rxvt_display::ref_next () 490rxvt_display::ref_next ()
317{ 491{
318 // TODO: somehow check wether the database files/resources changed 492 // TODO: somehow check wether the database files/resources changed
319 // before re-loading/parsing 493 // before affording re-loading/parsing
320 XrmDestroyDatabase (XrmGetDatabase (display)); 494 XrmDestroyDatabase (XrmGetDatabase (dpy));
321 XrmSetDatabase (display, get_resources ()); 495 XrmSetDatabase (dpy, get_resources (true));
322} 496}
323 497
324rxvt_display::~rxvt_display () 498rxvt_display::~rxvt_display ()
325{ 499{
326 if (!display) 500 if (!dpy)
327 return; 501 return;
328 502
329#ifdef POINTER_BLANK 503#ifdef POINTER_BLANK
330 XFreeCursor (display, blank_cursor); 504 XFreeCursor (dpy, blank_cursor);
331#endif 505#endif
332 x_ev.stop (); 506 x_ev.stop ();
507 flush_ev.stop ();
333#ifdef USE_XIM 508#ifdef USE_XIM
334 xims.clear (); 509 xims.clear ();
335#endif 510#endif
336 XCloseDisplay (display); 511 XCloseDisplay (dpy);
337} 512}
338 513
339#ifdef USE_XIM 514#ifdef USE_XIM
340void rxvt_display::im_change_cb () 515void rxvt_display::im_change_cb ()
341{ 516{
… …
349 // registers, as xlib crashes due to a race otherwise. 524 // registers, as xlib crashes due to a race otherwise.
350 Atom actual_type, *atoms; 525 Atom actual_type, *atoms;
351 int actual_format; 526 int actual_format;
352 unsigned long nitems, bytes_after; 527 unsigned long nitems, bytes_after;
353 528
354 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 529 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
355 False, XA_ATOM, &actual_type, &actual_format, 530 False, XA_ATOM, &actual_type, &actual_format,
356 &nitems, &bytes_after, (unsigned char **)&atoms) 531 &nitems, &bytes_after, (unsigned char **)&atoms)
357 != Success ) 532 != Success )
358 return; 533 return;
359 534
360 if (actual_type == XA_ATOM && actual_format == 32) 535 if (actual_type == XA_ATOM && actual_format == 32)
361 for (int i = 0; i < nitems; i++) 536 for (int i = 0; i < nitems; i++)
362 if (XGetSelectionOwner (display, atoms[i])) 537 if (XGetSelectionOwner (dpy, atoms[i]))
363 { 538 {
364 im_change_cb (); 539 im_change_cb ();
365 break; 540 break;
366 } 541 }
367 542
368 XFree (atoms); 543 XFree (atoms);
369} 544}
370#endif 545#endif
371 546
372void rxvt_display::x_cb (io_watcher &w, short revents) 547void rxvt_display::x_cb (ev::io &w, int revents)
373{ 548{
549 flush_ev.start ();
550}
551
552void rxvt_display::flush_cb (ev::prepare &w, int revents)
553{
554 while (XEventsQueued (dpy, QueuedAfterFlush))
374 do 555 do
375 { 556 {
376 XEvent xev; 557 XEvent xev;
377 XNextEvent (display, &xev); 558 XNextEvent (dpy, &xev);
378 559
379#ifdef USE_XIM 560#ifdef USE_XIM
380 if (!XFilterEvent (&xev, None)) 561 if (!XFilterEvent (&xev, None))
381 { 562 {
382 if (xev.type == PropertyNotify 563 if (xev.type == PropertyNotify
383 && xev.xany.window == root 564 && xev.xany.window == root
384 && xev.xproperty.atom == xa_xim_servers) 565 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
385 im_change_check (); 566 im_change_check ();
386#endif 567#endif
568 if (xev.type == MappingNotify)
569 XRefreshKeyboardMapping (&xev.xmapping);
570
387 for (int i = xw.size (); i--; ) 571 for (int i = xw.size (); i--; )
388 { 572 {
389 if (!xw[i]) 573 if (!xw[i])
390 xw.erase_unordered (i); 574 xw.erase_unordered (i);
391 else if (xw[i]->window == xev.xany.window) 575 else if (xw[i]->window == xev.xany.window)
392 xw[i]->call (xev); 576 xw[i]->call (xev);
393 } 577 }
394#ifdef USE_XIM 578#ifdef USE_XIM
395 } 579 }
396#endif 580#endif
397 } 581 }
398 while (XEventsQueued (display, QueuedAlready)); 582 while (XEventsQueued (dpy, QueuedAlready));
399 583
400 XFlush (display); 584 w.stop ();
401}
402
403void rxvt_display::flush ()
404{
405 if (XEventsQueued (display, QueuedAlready))
406 x_cb (x_ev, EVENT_READ);
407
408 XFlush (display);
409} 585}
410 586
411void rxvt_display::reg (xevent_watcher *w) 587void rxvt_display::reg (xevent_watcher *w)
412{ 588{
589 if (!w->active)
590 {
413 xw.push_back (w); 591 xw.push_back (w);
414 w->active = xw.size (); 592 w->active = xw.size ();
593 }
415} 594}
416 595
417void rxvt_display::unreg (xevent_watcher *w) 596void rxvt_display::unreg (xevent_watcher *w)
418{ 597{
419 if (w->active) 598 if (w->active)
599 {
420 xw[w->active - 1] = 0; 600 xw[w->active - 1] = 0;
601 w->active = 0;
602 }
421} 603}
422 604
423void rxvt_display::set_selection_owner (rxvt_term *owner) 605void rxvt_display::set_selection_owner (rxvt_term *owner)
424{ 606{
425 if (selection_owner && selection_owner != owner) 607 if (selection_owner && selection_owner != owner)
608 {
609 rxvt_term *owner = selection_owner;
610
426 selection_owner->selection_clear (); 611 owner->selection_clear ();
612 owner->flush ();
613 }
427 614
428 selection_owner = owner; 615 selection_owner = owner;
429} 616}
430 617
431#ifdef USE_XIM 618#ifdef USE_XIM
619
432void rxvt_display::reg (im_watcher *w) 620void rxvt_display::reg (im_watcher *w)
433{ 621{
434 imw.push_back (w); 622 imw.push_back (w);
435} 623}
436 624
… …
460 return xim; 648 return xim;
461} 649}
462 650
463void rxvt_display::put_xim (rxvt_xim *xim) 651void rxvt_display::put_xim (rxvt_xim *xim)
464{ 652{
465#if XLIB_IS_RACEFREE 653# if XLIB_IS_RACEFREE
466 xims.put (xim); 654 xims.put (xim);
467#endif 655# endif
468} 656}
657
469#endif 658#endif
470 659
471Atom rxvt_display::atom (const char *name) 660Atom rxvt_display::atom (const char *name)
472{ 661{
473 return XInternAtom (display, name, False); 662 return XInternAtom (dpy, name, False);
474} 663}
475 664
476///////////////////////////////////////////////////////////////////////////// 665/////////////////////////////////////////////////////////////////////////////
477 666
478template class refcache<rxvt_display>; 667template class refcache<rxvt_display>;
479refcache<rxvt_display> displays; 668refcache<rxvt_display> displays;
480 669
481///////////////////////////////////////////////////////////////////////////// 670/////////////////////////////////////////////////////////////////////////////
482 671//
672
673static unsigned int
674insert_component (unsigned int value, unsigned int mask, unsigned int shift)
675{
676 return (value * (mask + 1) >> 16) << shift;
677}
678
483bool 679bool
484rxvt_color::set (rxvt_display *display, Pixel p) 680rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
485{ 681{
682 //TODO: only supports 24 bit
683 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
684
486#if XFT 685#if XFT
487 XColor xc; 686 XRenderPictFormat *format;
488 687
489 xc.pixel = p; 688 // FUCKING Xft gets it wrong, of course, so work around it.
490 if (!XQueryColor (display->display, display->cmap, &xc)) 689 // Transparency users should eat shit and die, and then
491 return false; 690 // XRenderQueryPictIndexValues themselves plenty.
691 if ((screen->visual->c_class == TrueColor)
692 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
693 {
694 // the fun lies in doing everything manually...
695 c.color.red = color.r;
696 c.color.green = color.g;
697 c.color.blue = color.b;
698 c.color.alpha = alpha;
492 699
700 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
701 | insert_component (color.g, format->direct.greenMask, format->direct.green)
702 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
703 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
704
705 return true;
706 }
707 else
708 {
493 XRenderColor d; 709 XRenderColor d;
494 710
495 d.red = xc.red; 711 d.red = color.r;
496 d.green = xc.green; 712 d.green = color.g;
497 d.blue = xc.blue; 713 d.blue = color.b;
498 d.alpha = 0xffff; 714 d.alpha = alpha;
499 715
500 return 716 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
501 XftColorAllocValue (display->display, 717 }
502 display->visual,
503 display->cmap,
504 &d, &c);
505#else 718#else
506 this->p = p; 719 c.red = color.r;
507#endif 720 c.green = color.g;
721 c.blue = color.b;
508 722
723 if (screen->visual->c_class == TrueColor)
724 {
725 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask ))
726 | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask))
727 | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask ));
728
729 return true;
730 }
731 else if (XAllocColor (screen->dpy, screen->cmap, &c))
509 return true; 732 return true;
733 else
734 c.pixel = (color.r + color.g + color.b) > 128*3
735 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
736 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
737#endif
738
739 return false;
510} 740}
511 741
512bool 742bool
513rxvt_color::set (rxvt_display *display, const char *name) 743rxvt_color::set (rxvt_screen *screen, const char *name)
744{
745 rgba c;
746 char eos;
747 int skip;
748
749 c.a = rgba::MAX_CC;
750
751 // parse the nonstandard "[alphapercent]" prefix
752 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
753 {
754 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
755 name += skip;
756 }
757
758 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
759 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
760 {
761 XColor xc;
762
763 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
764 {
765 c.r = xc.red;
766 c.g = xc.green;
767 c.b = xc.blue;
768 }
769 else
770 {
771 c.r = 0xffff;
772 c.g = 0x6969;
773 c.b = 0xb4b4;
774
775 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
776 }
777 }
778
779 return set (screen, c);
780}
781
782bool
783rxvt_color::set (rxvt_screen *screen, const rgba &color)
784{
785 bool got = alloc (screen, color);
786
787#if !ENABLE_MINIMAL
788 int cmap_size = screen->visual->map_entries;
789
790 if (!got
791 && screen->visual->c_class == PseudoColor
792 && cmap_size < 4096)
793 {
794 XColor *colors = new XColor [screen->visual->map_entries];
795
796 for (int i = 0; i < cmap_size; i++)
797 colors [i].pixel = i;
798
799 // many kilobytes transfer per colour, but pseudocolor isn't worth
800 // many extra optimisations.
801 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
802
803 int diff = 0x7fffffffUL;
804 XColor *best = colors;
805
806 for (int i = 0; i < cmap_size; i++)
807 {
808 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
809 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
810 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
811
812 if (d < diff)
813 {
814 diff = d;
815 best = colors + i;
816 }
817 }
818
819 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
820 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
821
822 got = alloc (screen, rgba (best->red, best->green, best->blue));
823
824 delete [] colors;
825 }
826#endif
827
828 return got;
829}
830
831void
832rxvt_color::get (rgba &color)
514{ 833{
515#if XFT 834#if XFT
516 return XftColorAllocName (display->display, display->visual, display->cmap, 835 color.r = c.color.red;
517 name, &c); 836 color.g = c.color.green;
837 color.b = c.color.blue;
838 color.a = c.color.alpha;
518#else 839#else
519 XColor xc; 840 color.r = c.red;
520 841 color.g = c.green;
521 if (XParseColor (display->display, display->cmap, name, &xc)) 842 color.b = c.blue;
522 return set (display, xc.red, xc.green, xc.blue); 843 color.a = rgba::MAX_CC;
523
524 return false;
525#endif 844#endif
526} 845}
527 846
528bool
529rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
530{
531 XColor xc;
532
533 xc.red = cr;
534 xc.green = cg;
535 xc.blue = cb;
536 xc.flags = DoRed | DoGreen | DoBlue;
537
538 if (XAllocColor (display->display, display->cmap, &xc))
539 return set (display, xc.pixel);
540
541 return false;
542}
543
544void 847void
545rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 848rxvt_color::get (XColor &color)
546{ 849{
850 rgba c;
851 get (c);
852
853 color.red = c.r;
854 color.green = c.g;
855 color.blue = c.b;
856 color.pixel = (Pixel)*this;
857}
858
859void
860rxvt_color::free (rxvt_screen *screen)
861{
862 if (screen->visual->c_class == TrueColor)
863 return; // nothing to do
864
547#if XFT 865#if XFT
548 cr = c.color.red; 866 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
549 cg = c.color.green;
550 cb = c.color.blue;
551#else 867#else
552 XColor c; 868 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
553
554 c.pixel = p;
555 XQueryColor (display->display, display->cmap, &c);
556
557 cr = c.red;
558 cg = c.green;
559 cb = c.blue;
560#endif 869#endif
561} 870}
562 871
563void 872void
564rxvt_color::free (rxvt_display *display) 873rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
565{ 874{
566#if XFT 875 rgba c;
567 XftColorFree (display->display, display->visual, display->cmap, &c); 876 get (c);
568#else
569 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
570#endif
571}
572 877
573rxvt_color 878 result.set (
574rxvt_color::fade (rxvt_display *display, int percent) 879 screen,
575{ 880 rgba (
576 percent = 100 - percent; 881 lerp (c.r, to.r, percent),
577 882 lerp (c.g, to.g, percent),
578 unsigned short cr, cg, cb; 883 lerp (c.b, to.b, percent),
579 rxvt_color faded; 884 lerp (c.a, to.a, percent)
580 885 )
581 get (display, cr, cg, cb);
582
583 faded.set (
584 display,
585 cr * percent / 100,
586 cg * percent / 100,
587 cb * percent / 100
588 ); 886 );
887}
589 888
889#if TRACE_PIXMAPS
890# undef XCreatePixmap
891# undef XFreePixmap
892Pixmap trace_XCreatePixmap (const char *file, int line, Display *dpy, Window r, unsigned int w, unsigned int h, unsigned int d)
893{
894 Pixmap res = XCreatePixmap (dpy, r, w, h, d);
895 fprintf (stderr, "%s:%d: XCreatePixmap (%p,%lX,%u,%u,%u) returned %lX\n", file, line, dpy, r, w, h, d, res);
590 return faded; 896 return res;
591} 897}
592 898
593#define LERP(a,b,p) (a * p + b * (100 - p)) / 100 899void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p)
594
595rxvt_color
596rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
597{ 900{
598 percent = 100 - percent; 901 fprintf (stderr, "%s:%d: XFreePixmap (%p,%lX)\n", file, line, dpy, p);
599 902 XFreePixmap (dpy,p);
600 unsigned short cr, cg, cb;
601 unsigned short fcr, fcg, fcb;
602 rxvt_color faded;
603
604 get (display, cr, cg, cb);
605 fadeto.get(display, fcr, fcg, fcb);
606
607 faded.set (
608 display,
609 LERP (cr, fcr, percent),
610 LERP (cg, fcg, percent),
611 LERP (cb, fcb, percent)
612 );
613
614 return faded;
615} 903}
616 904#endif

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