ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/rxvttoolkit.C
(Generate patch)

Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.1 by root, Sun Aug 15 00:37:04 2004 UTC vs.
Revision 1.85 by root, Sun Dec 16 19:44:48 2007 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: rxvtcolor.C 2 * File: rxvttoolkit.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * 4 *
5 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2007 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.
… …
25#include <rxvttoolkit.h> 25#include <rxvttoolkit.h>
26 26
27#include <unistd.h> 27#include <unistd.h>
28#include <fcntl.h> 28#include <fcntl.h>
29 29
30#ifndef NO_SLOW_LINK_SUPPORT 30#include <sys/utsname.h>
31# include <sys/socket.h> 31#include <sys/socket.h>
32# 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#endif
65#if USE_XIM
66 "WM_LOCALE_NAME",
67 "XIM_SERVERS",
68#endif
69#ifdef ENABLE_TRANSPARENCY
70 "_XROOTPMAP_ID",
71 "ESETROOT_PMAP_ID",
72#endif
73#if ENABLE_XEMBED
74 "_XEMBED",
75 "_XEMBED_INFO",
76#endif
77#if !ENABLE_MINIMAL
78 "SCREEN_RESOURCES",
79 "XDCCC_LINEAR_RGB_CORRECTION",
80 "XDCCC_LINEAR_RGB_MATRICES",
81 "WM_COLORMAP_WINDOWS",
82 "WM_STATE",
83 "cursor",
84# if USE_XIM
85 "TRANSPORT",
86 "LOCALES",
87 "_XIM_PROTOCOL",
88 "_XIM_XCONNECT",
89 "_XIM_MOREDATA",
33#endif 90# endif
91#endif
92};
93
94/////////////////////////////////////////////////////////////////////////////
34 95
35refcounted::refcounted (const char *id) 96refcounted::refcounted (const char *id)
36{ 97{
37 this->id = STRDUP (id); 98 this->id = strdup (id);
38} 99}
39 100
40refcounted::~refcounted () 101refcounted::~refcounted ()
41{ 102{
42 free (id); 103 free (id);
… …
47{ 108{
48 for (T **i = this->begin (); i < this->end (); ++i) 109 for (T **i = this->begin (); i < this->end (); ++i)
49 { 110 {
50 if (!strcmp (id, (*i)->id)) 111 if (!strcmp (id, (*i)->id))
51 { 112 {
52 (*i)->referenced++; 113 ++(*i)->referenced;
114 (*i)->ref_next ();
53 return *i; 115 return *i;
54 } 116 }
55 } 117 }
56 118
57 T *obj = new T (id); 119 T *obj = new T (id);
58 120
59 obj->referenced = 1;
60
61 if (obj && obj->init ()) 121 if (obj && obj->ref_init ())
62 { 122 {
123 obj->referenced = 1;
63 this->push_back (obj); 124 this->push_back (obj);
64 return obj; 125 return obj;
65 } 126 }
66 else 127 else
67 { 128 {
… …
82 delete obj; 143 delete obj;
83 } 144 }
84} 145}
85 146
86template<class T> 147template<class T>
87refcache<T>::~refcache () 148void refcache<T>::clear ()
88{ 149{
89 while (this->size ()) 150 while (this->size ())
90 put (*this->begin ()); 151 put (*this->begin ());
91} 152}
92 153
93///////////////////////////////////////////////////////////////////////////// 154/////////////////////////////////////////////////////////////////////////////
94 155
95#ifdef USE_XIM 156#ifdef USE_XIM
157
96static void 158static void
97#if XIMCB_PROTO_BROKEN 159#if XIMCB_PROTO_BROKEN
98im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) 160im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3)
99#else 161#else
100im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3) 162im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3)
101#endif 163#endif
102{ 164{
103 rxvt_xim *xim = (rxvt_xim *)client_data; 165 rxvt_xim *xim = (rxvt_xim *)client_data;
104 rxvt_display *display = xim->display; 166 rxvt_display *display = xim->display;
105 167
168 xim->xim = 0;
169
106 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim)); 170 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim));
107
108 display->im_change_cb (); 171 display->im_change_cb ();
109} 172}
110 173
174bool
111bool rxvt_xim::init () 175rxvt_xim::ref_init ()
112{ 176{
113 display = GET_R->display; //HACK: TODO 177 display = GET_R->display; //HACK: TODO
114 178
115 xim = XOpenIM (display->display, NULL, NULL, NULL); 179 xim = XOpenIM (display->dpy, 0, 0, 0);
116 180
117 if (!xim) 181 if (!xim)
118 return false; 182 return false;
119 183
120 XIMCallback ximcallback; 184 XIMCallback ximcallback;
121 ximcallback.client_data = (XPointer)this; 185 ximcallback.client_data = (XPointer)this;
122 ximcallback.callback = im_destroy_cb; 186 ximcallback.callback = im_destroy_cb;
123 187
124 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 188 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
125 189
126 return true; 190 return true;
127} 191}
128 192
129rxvt_xim::~rxvt_xim () 193rxvt_xim::~rxvt_xim ()
130{ 194{
131 if (xim) 195 if (xim)
132 XCloseIM (xim); 196 XCloseIM (xim);
133} 197}
198
134#endif 199#endif
200
201/////////////////////////////////////////////////////////////////////////////
202
203#if XFT
204rxvt_drawable::~rxvt_drawable ()
205{
206 if (xftdrawable)
207 XftDrawDestroy (xftdrawable);
208}
209
210rxvt_drawable::operator XftDraw *()
211{
212 if (!xftdrawable)
213 xftdrawable = XftDrawCreate (screen->dpy, drawable, screen->visual, screen->cmap);
214
215 return xftdrawable;
216}
217#endif
218
219/////////////////////////////////////////////////////////////////////////////
220
221#if XFT
222
223// not strictly necessary as it is only used with superclass of zero_initialised
224rxvt_screen::rxvt_screen ()
225: scratch_area (0)
226{
227}
228
229rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h)
230{
231 // it's actually faster to re-allocate every time. don't ask me
232 // why, but its likely no big deal there are no roundtrips
233 // (I think/hope).
234 if (!scratch_area || w > scratch_w || h > scratch_h || 1/*D*/)
235 {
236 if (scratch_area)
237 {
238 XFreePixmap (dpy, scratch_area->drawable);
239 delete scratch_area;
240 }
241
242 Pixmap pm = XCreatePixmap (dpy, RootWindowOfScreen (ScreenOfDisplay (dpy, display->screen)),
243 scratch_w = w, scratch_h = h, depth);
244
245 scratch_area = new rxvt_drawable (this, pm);
246 }
247
248 return *scratch_area;
249}
250
251#endif
252
253void
254rxvt_screen::set (rxvt_display *disp)
255{
256 display = disp;
257 dpy = disp->dpy;
258
259 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
260
261 depth = DefaultDepthOfScreen (screen);
262 visual = DefaultVisualOfScreen (screen);
263 cmap = DefaultColormapOfScreen (screen);
264}
265
266void
267rxvt_screen::select_visual (int bitdepth)
268{
269#if XFT
270 XVisualInfo vinfo;
271
272 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
273 {
274 depth = bitdepth;
275 visual = vinfo.visual;
276 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
277 }
278#endif
279}
280
281void
282rxvt_screen::clear ()
283{
284#if XFT
285 if (scratch_area)
286 {
287 XFreePixmap (dpy, scratch_area->drawable);
288 delete scratch_area;
289 }
290#endif
291
292 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
293 XFreeColormap (dpy, cmap);
294}
135 295
136///////////////////////////////////////////////////////////////////////////// 296/////////////////////////////////////////////////////////////////////////////
137 297
138rxvt_display::rxvt_display (const char *id) 298rxvt_display::rxvt_display (const char *id)
139: refcounted (id) 299: refcounted (id)
140, x_ev (this, &rxvt_display::x_cb)
141, selection_owner (0) 300, selection_owner (0)
142{ 301{
302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
143} 304}
144 305
306XrmDatabase
307rxvt_display::get_resources (bool refresh)
308{
309 char *homedir = getenv ("HOME");
310 char fname[1024];
311
312 /*
313 * get resources using the X library function
314 */
315 char *displayResource, *xe;
316 XrmDatabase rdb1, database = 0;
317
318 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
319 // as opposed to "standard practise", we always read in ~/.Xdefaults
320
321 // 6. System wide per application default file.
322
323 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
324 if ((xe = getenv ("XAPPLRESDIR")))
325 {
326 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
327
328 if ((rdb1 = XrmGetFileDatabase (fname)))
329 XrmMergeDatabases (rdb1, &database);
330 }
331
332 // 5. User's per application default file.
333 // none
334
335 // 4. User's defaults file.
336 if (homedir)
337 {
338 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
339
340 if ((rdb1 = XrmGetFileDatabase (fname)))
341 XrmMergeDatabases (rdb1, &database);
342 }
343
344 /* Get any Xserver defaults */
345 if (refresh)
346 {
347 // fucking xlib keeps a copy of the rm string
348 Atom actual_type;
349 int actual_format;
350 unsigned long nitems, nremaining;
351 char *val = 0;
352
353#if XLIB_ILLEGAL_ACCESS
354 if (dpy->xdefaults)
355 XFree (dpy->xdefaults);
356#endif
357
358 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
359 0L, 100000000L, False,
360 XA_STRING, &actual_type, &actual_format,
361 &nitems, &nremaining,
362 (unsigned char **)&val) == Success
363 && actual_type == XA_STRING
364 && actual_format == 8)
365 displayResource = val;
366 else
367 {
368 displayResource = 0;
369
370 if (val)
371 XFree(val);
372 }
373
374#if XLIB_ILLEGAL_ACCESS
375 dpy->xdefaults = displayResource;
376#endif
377 }
378 else
379 displayResource = XResourceManagerString (dpy);
380
381 if (displayResource)
382 {
383 if ((rdb1 = XrmGetStringDatabase (displayResource)))
384 XrmMergeDatabases (rdb1, &database);
385 }
386
387#if !XLIB_ILLEGAL_ACCESS
388 if (refresh && displayResource)
389 XFree (displayResource);
390#endif
391
392 /* Get screen specific resources */
393 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
394
395 if (displayResource)
396 {
397 if ((rdb1 = XrmGetStringDatabase (displayResource)))
398 /* Merge with screen-independent resources */
399 XrmMergeDatabases (rdb1, &database);
400
401 XFree (displayResource);
402 }
403
404 // 3. User's per host defaults file
405 /* Add in XENVIRONMENT file */
406 if ((xe = getenv ("XENVIRONMENT"))
407 && (rdb1 = XrmGetFileDatabase (xe)))
408 XrmMergeDatabases (rdb1, &database);
409 else if (homedir)
410 {
411 struct utsname un;
412
413 if (!uname (&un))
414 {
415 snprintf (fname, sizeof (fname), "%s/.Xdefaults-%s", homedir, un.nodename);
416
417 if ((rdb1 = XrmGetFileDatabase (fname)))
418 XrmMergeDatabases (rdb1, &database);
419 }
420 }
421
422 return database;
423}
424
145bool rxvt_display::init () 425bool rxvt_display::ref_init ()
146{ 426{
427#ifdef LOCAL_X_IS_UNIX
428 if (id[0] == ':')
429 {
430 val = rxvt_malloc (5 + strlen (id) + 1);
431 strcpy (val, "unix/");
432 strcat (val, id);
433 dpy = XOpenDisplay (val);
434 free (val);
435 }
436 else
437#endif
438 dpy = 0;
439
440 if (!dpy)
147 display = XOpenDisplay (id); 441 dpy = XOpenDisplay (id);
148 442
149 if (!display) 443 if (!dpy)
150 return false; 444 return false;
151 445
152 screen = DefaultScreen (display); 446 screen = DefaultScreen (dpy);
153 root = DefaultRootWindow (display); 447 root = DefaultRootWindow (dpy);
154 visual = DefaultVisual (display, screen);
155 cmap = DefaultColormap (display, screen);
156 depth = DefaultDepth (display, screen);
157 448
449 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
450 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
451
452 XrmSetDatabase (dpy, get_resources (false));
453
454#ifdef POINTER_BLANK
455 XColor blackcolour;
456 blackcolour.red = 0;
457 blackcolour.green = 0;
458 blackcolour.blue = 0;
459 Font f = XLoadFont (dpy, "fixed");
460 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
461 &blackcolour, &blackcolour);
462 XUnloadFont (dpy, f);
463#endif
464
158 int fd = XConnectionNumber (display); 465 int fd = XConnectionNumber (dpy);
159 466
160#ifndef NO_SLOW_LINK_SUPPORT
161 // try to detetc wether we have a local connection. 467 // try to detect wether we have a local connection.
162 // assume unix domains socket == local, everything else not 468 // assume unix domain socket == local, everything else not
163 // TODO: might want to check for inet/127.0.0.1 469 // TODO: might want to check for inet/127.0.0.1
164 is_local = 0; 470 is_local = 0;
165 sockaddr_un sa; 471 sockaddr_un sa;
166 socklen_t sl = sizeof (sa); 472 socklen_t sl = sizeof (sa);
167 473
168 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 474 if (!getsockname (fd, (sockaddr *)&sa, &sl))
169 is_local = sa.sun_family == AF_LOCAL; 475 is_local = sa.sun_family == AF_UNIX;
170#endif
171 476
172#ifdef PREFER_24BIT 477 flush_ev.start ();
173 /*
174 * If depth is not 24, look for a 24bit visual.
175 */
176 if (depth != 24)
177 {
178 XVisualInfo vinfo;
179
180 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
181 {
182 depth = 24;
183 visual = vinfo.visual;
184 cmap = XCreateColormap (display,
185 RootWindow (display, screen),
186 visual, AllocNone);
187 }
188 }
189#endif
190
191 x_ev.start (fd, EVENT_READ); 478 x_ev.start (fd, ev::READ);
192 fcntl (fd, F_SETFD, FD_CLOEXEC); 479 fcntl (fd, F_SETFD, FD_CLOEXEC);
193 480
194 XSelectInput (display, root, PropertyChangeMask); 481 XSelectInput (dpy, root, PropertyChangeMask);
482
483 flush ();
484
485 return true;
486}
487
488void
489rxvt_display::ref_next ()
490{
491 // TODO: somehow check wether the database files/resources changed
492 // before affording re-loading/parsing
493 XrmDestroyDatabase (XrmGetDatabase (dpy));
494 XrmSetDatabase (dpy, get_resources (true));
495}
496
497rxvt_display::~rxvt_display ()
498{
499 if (!dpy)
500 return;
501
502#ifdef POINTER_BLANK
503 XFreeCursor (dpy, blank_cursor);
504#endif
505 x_ev.stop ();
506 flush_ev.stop ();
195#ifdef USE_XIM 507#ifdef USE_XIM
196 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0); 508 xims.clear ();
197#endif 509#endif
198
199 flush ();
200
201 return true;
202}
203
204rxvt_display::~rxvt_display ()
205{
206 x_ev.stop ();
207
208 if (display)
209 XCloseDisplay (display); 510 XCloseDisplay (dpy);
210} 511}
211 512
212#ifdef USE_XIM 513#ifdef USE_XIM
213void rxvt_display::im_change_cb () 514void rxvt_display::im_change_cb ()
214{ 515{
215 for (im_watcher **i = imw.begin (); i != imw.end (); ++i) 516 for (im_watcher **i = imw.begin (); i != imw.end (); ++i)
216 (*i)->call (); 517 (*i)->call ();
217} 518}
218#endif
219 519
520void rxvt_display::im_change_check ()
521{
522 // try to only call im_change_cb when a new input method
523 // registers, as xlib crashes due to a race otherwise.
524 Atom actual_type, *atoms;
525 int actual_format;
526 unsigned long nitems, bytes_after;
527
528 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
529 False, XA_ATOM, &actual_type, &actual_format,
530 &nitems, &bytes_after, (unsigned char **)&atoms)
531 != Success )
532 return;
533
534 if (actual_type == XA_ATOM && actual_format == 32)
535 for (int i = 0; i < nitems; i++)
536 if (XGetSelectionOwner (dpy, atoms[i]))
537 {
538 im_change_cb ();
539 break;
540 }
541
542 XFree (atoms);
543}
544#endif
545
220void rxvt_display::x_cb (io_watcher &w, short revents) 546void rxvt_display::x_cb (ev::io &w, int revents)
221{ 547{
222 do 548 while (XEventsQueued (dpy, QueuedAfterReading))
223 { 549 {
224 XEvent xev; 550 XEvent xev;
225 XNextEvent (display, &xev); 551 XNextEvent (dpy, &xev);
226
227 //printf ("T %d w %lx\n", xev.type, xev.xany.window);//D
228 552
229#ifdef USE_XIM 553#ifdef USE_XIM
230 if (xev.type == PropertyNotify 554 if (!XFilterEvent (&xev, None))
231 && xev.xany.window == root
232 && xev.xproperty.atom == xa_xim_servers)
233 im_change_cb ();
234#endif
235
236 for (int i = xw.size (); i--; )
237 { 555 {
556 if (xev.type == PropertyNotify
557 && xev.xany.window == root
558 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
559 im_change_check ();
560#endif
561 if (xev.type == MappingNotify)
562 XRefreshKeyboardMapping (&xev.xmapping);
563
564 for (int i = xw.size (); i--; )
565 {
238 if (!xw[i]) 566 if (!xw[i])
239 xw.erase_unordered (i); 567 xw.erase_unordered (i);
240 else if (xw[i]->window == xev.xany.window) 568 else if (xw[i]->window == xev.xany.window)
241 xw[i]->call (xev); 569 xw[i]->call (xev);
570 }
571#ifdef USE_XIM
242 } 572 }
243 } 573#endif
244 while (XPending (display));
245
246 flush ();
247}
248
249void rxvt_display::flush ()
250{
251 for (;;)
252 { 574 }
253 if (!XPending (display)) 575}
254 break;
255 576
256 x_cb (x_ev, 0); 577void rxvt_display::flush_cb (ev::prepare &w, int revents)
257 } 578{
579 w.stop ();
580 XFlush (dpy);
258} 581}
259 582
260void rxvt_display::reg (xevent_watcher *w) 583void rxvt_display::reg (xevent_watcher *w)
261{ 584{
585 if (!w->active)
586 {
262 xw.push_back (w); 587 xw.push_back (w);
263 w->active = xw.size (); 588 w->active = xw.size ();
589 }
264} 590}
265 591
266void rxvt_display::unreg (xevent_watcher *w) 592void rxvt_display::unreg (xevent_watcher *w)
267{ 593{
268 if (w->active) 594 if (w->active)
595 {
269 xw[w->active - 1] = 0; 596 xw[w->active - 1] = 0;
597 w->active = 0;
598 }
270} 599}
271 600
272void rxvt_display::set_selection_owner (rxvt_term *owner) 601void rxvt_display::set_selection_owner (rxvt_term *owner)
273{ 602{
274 if (selection_owner && selection_owner != owner) 603 if (selection_owner && selection_owner != owner)
… …
276 605
277 selection_owner = owner; 606 selection_owner = owner;
278} 607}
279 608
280#ifdef USE_XIM 609#ifdef USE_XIM
610
281void rxvt_display::reg (im_watcher *w) 611void rxvt_display::reg (im_watcher *w)
282{ 612{
283 imw.push_back (w); 613 imw.push_back (w);
284} 614}
285 615
… …
309 return xim; 639 return xim;
310} 640}
311 641
312void rxvt_display::put_xim (rxvt_xim *xim) 642void rxvt_display::put_xim (rxvt_xim *xim)
313{ 643{
644# if XLIB_IS_RACEFREE
314 xims.put (xim); 645 xims.put (xim);
646# endif
315} 647}
648
316#endif 649#endif
317 650
318Atom rxvt_display::atom (const char *name) 651Atom rxvt_display::atom (const char *name)
319{ 652{
320 return XInternAtom (display, name, False); 653 return XInternAtom (dpy, name, False);
321} 654}
322 655
323///////////////////////////////////////////////////////////////////////////// 656/////////////////////////////////////////////////////////////////////////////
324 657
325template class refcache<rxvt_display>; 658template class refcache<rxvt_display>;
326refcache<rxvt_display> displays; 659refcache<rxvt_display> displays;
327 660
328///////////////////////////////////////////////////////////////////////////// 661/////////////////////////////////////////////////////////////////////////////
329 662//
663
664static unsigned int
665insert_component (unsigned int value, unsigned int mask, unsigned int shift)
666{
667 return (value * (mask + 1) >> 16) << shift;
668}
669
330bool 670bool
331rxvt_color::set (rxvt_display *display, Pixel p) 671rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
332{ 672{
333#if XFT 673#if XFT
334 XColor xc; 674 XRenderPictFormat *format;
335 675
336 xc.pixel = p; 676 // FUCKING Xft gets it wrong, of course, so work around it.
337 if (!XQueryColor (display->display, display->cmap, &xc)) 677 // Transparency users should eat shit and die, and then
338 return false; 678 // XRenderQueryPictIndexValues themselves plenty.
679 if ((screen->visual->c_class == TrueColor)
680 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
681 {
682 // the fun lies in doing everything manually...
683 c.color.red = color.r;
684 c.color.green = color.g;
685 c.color.blue = color.b;
686 c.color.alpha = color.a;
339 687
688 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
689 | insert_component (color.g, format->direct.greenMask, format->direct.green)
690 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
691 | insert_component (color.a, format->direct.alphaMask, format->direct.alpha);
692
693 return true;
694 }
695 else
696 {
340 XRenderColor d; 697 XRenderColor d;
341 698
342 d.red = xc.red; 699 d.red = color.r;
343 d.green = xc.green; 700 d.green = color.g;
344 d.blue = xc.blue; 701 d.blue = color.b;
345 d.alpha = 0xffff; 702 d.alpha = color.a;
346 703
347 return 704 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
348 XftColorAllocValue (display->display, 705 }
349 display->visual,
350 display->cmap,
351 &d, &c);
352#else 706#else
353 this->p = p; 707 c.red = color.r;
354#endif 708 c.green = color.g;
709 c.blue = color.b;
355 710
711 if (screen->visual->c_class == TrueColor)
712 {
713 c.pixel = (color.r >> (16 - popcount (screen->visual->red_mask )) << ctz (screen->visual->red_mask ))
714 | (color.g >> (16 - popcount (screen->visual->green_mask)) << ctz (screen->visual->green_mask))
715 | (color.b >> (16 - popcount (screen->visual->blue_mask )) << ctz (screen->visual->blue_mask ));
716
717 return true;
718 }
719 else if (XAllocColor (screen->dpy, screen->cmap, &c))
356 return true; 720 return true;
721 else
722 c.pixel = (color.r + color.g + color.b) > 128*3
723 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
724 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
725#endif
726
727 return false;
357} 728}
358 729
359bool 730bool
360rxvt_color::set (rxvt_display *display, const char *name) 731rxvt_color::set (rxvt_screen *screen, const char *name)
361{ 732{
733 rgba c;
734 char eos;
735 int skip;
736
737 // parse the nonstandard "[alphapercent]" prefix
738 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
739 {
740 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
741 name += skip;
742 }
743 else
744 c.a = rgba::MAX_CC;
745
746 // parse the non-standard "#aarrggbb" format
747 if (name[0] == '#' && strlen (name) == 1+2+2+2+2 && 4 == sscanf (name+1, "%2hx%2hx%2hx%2hx%c", &c.a, &c.r, &c.g, &c.b, &eos))
748 {
749 if (c.r)
750 c.r = (c.r << 8) | 0x0ff;
751 if (c.g)
752 c.g = (c.g << 8) | 0x0ff;
753 if (c.b)
754 c.b = (c.b << 8) | 0x0ff;
755 if (c.a)
756 c.a = (c.a << 8) | 0x0ff;
757 }
758 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
759 else 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 {
362 XColor xc; 761 XColor xc;
363 762
364 if (XParseColor (display->display, display->cmap, name, &xc)) 763 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
365 return set (display, xc.red, xc.green, xc.blue); 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;
366 774
367 return false; 775 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
776 }
777 }
778
779 return set (screen, c);
368} 780}
369 781
370bool 782bool
371rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb) 783rxvt_color::set (rxvt_screen *screen, const rgba &color)
372{ 784{
373 XColor xc; 785 bool got = alloc (screen, color);
374 786
375 xc.red = cr; 787#if !ENABLE_MINIMAL
376 xc.green = cg; 788 int cmap_size = screen->visual->map_entries;
377 xc.blue = cb;
378 xc.flags = DoRed | DoGreen | DoBlue;
379 789
380 if (XAllocColor (display->display, display->cmap, &xc)) 790 if (!got
381 return set (display, xc.pixel); 791 && screen->visual->c_class == PseudoColor
792 && cmap_size < 4096)
793 {
794 XColor *colors = new XColor [screen->visual->map_entries];
382 795
383 return false; 796 for (int i = 0; i < cmap_size; i++)
384} 797 colors [i].pixel = i;
385 798
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
386void 831void
387rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 832rxvt_color::get (rgba &color)
388{ 833{
389#if XFT 834#if XFT
390 cr = c.color.red; 835 color.r = c.color.red;
391 cg = c.color.green; 836 color.g = c.color.green;
392 cb = c.color.blue; 837 color.b = c.color.blue;
838 color.a = c.color.alpha;
393#else 839#else
394 XColor c;
395
396 c.pixel = p;
397 XQueryColor (display->display, display->cmap, &c);
398
399 cr = c.red; 840 color.r = c.red;
400 cg = c.green; 841 color.g = c.green;
401 cb = c.blue; 842 color.b = c.blue;
843 color.a = rgba::MAX_CC;
402#endif 844#endif
403} 845}
404 846
405void 847void
406rxvt_color::free (rxvt_display *display) 848rxvt_color::get (XColor &color)
407{ 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
408#if XFT 865#if XFT
409 XftColorFree (display->display, display->visual, display->cmap, &c); 866 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
410#else 867#else
411 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes); 868 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
412#endif 869#endif
413} 870}
414 871
415rxvt_color 872void
416rxvt_color::fade (rxvt_display *display, int percent) 873rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
417{ 874{
418 unsigned short cr, cg, cb; 875 rgba c;
419 rxvt_color faded; 876 get (c);
420 877
421 get (display, cr, cg, cb); 878 result.set (
422 faded.set (display, 879 screen,
423 cr * percent / 100, 880 rgba (
424 cg * percent / 100, 881 lerp (c.r, to.r, percent),
425 cb * percent / 100); 882 lerp (c.g, to.g, percent),
883 lerp (c.b, to.b, percent),
884 lerp (c.a, to.a, percent)
885 )
886 );
887}
426 888
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);
427 return faded; 896 return res;
428} 897}
429 898
899void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p)
900{
901 fprintf (stderr, "%s:%d: XFreePixmap (%p,%lX)\n", file, line, dpy, p);
902 XFreePixmap (dpy,p);
903}
904#endif

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines