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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.1 by root, Sun Aug 15 00:37:04 2004 UTC vs.
Revision 1.95 by root, Sat Jan 26 12:03:36 2008 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 555#endif
235
236 for (int i = xw.size (); i--; )
237 { 556 {
557 if (xev.type == PropertyNotify
558 && xev.xany.window == root
559 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
560 im_change_check ();
561
562 if (xev.type == MappingNotify)
563 XRefreshKeyboardMapping (&xev.xmapping);
564
565 for (int i = xw.size (); i--; )
566 {
238 if (!xw[i]) 567 if (!xw[i])
239 xw.erase_unordered (i); 568 xw.erase_unordered (i);
240 else if (xw[i]->window == xev.xany.window) 569 else if (xw[i]->window == xev.xany.window)
241 xw[i]->call (xev); 570 xw[i]->call (xev);
571 }
242 } 572 }
243 } 573 }
244 while (XPending (display));
245 574
246 flush (); 575 flush_ev.start ();
247} 576}
248 577
249void rxvt_display::flush () 578void rxvt_display::flush_cb (ev::prepare &w, int revents)
250{ 579{
251 for (;;)
252 {
253 if (!XPending (display))
254 break;
255
256 x_cb (x_ev, 0); 580 x_cb(x_ev,0);//D
257 } 581 XFlush (dpy);
582 w.stop ();
258} 583}
259 584
260void rxvt_display::reg (xevent_watcher *w) 585void rxvt_display::reg (xevent_watcher *w)
261{ 586{
587 if (!w->active)
588 {
262 xw.push_back (w); 589 xw.push_back (w);
263 w->active = xw.size (); 590 w->active = xw.size ();
591 }
264} 592}
265 593
266void rxvt_display::unreg (xevent_watcher *w) 594void rxvt_display::unreg (xevent_watcher *w)
267{ 595{
268 if (w->active) 596 if (w->active)
597 {
269 xw[w->active - 1] = 0; 598 xw[w->active - 1] = 0;
599 w->active = 0;
600 }
270} 601}
271 602
272void rxvt_display::set_selection_owner (rxvt_term *owner) 603void rxvt_display::set_selection_owner (rxvt_term *owner)
273{ 604{
274 if (selection_owner && selection_owner != owner) 605 if (selection_owner && selection_owner != owner)
606 {
607 rxvt_term *owner = selection_owner;
608
275 selection_owner->selection_clear (); 609 owner->selection_clear ();
610 owner->flush ();
611 }
276 612
277 selection_owner = owner; 613 selection_owner = owner;
278} 614}
279 615
280#ifdef USE_XIM 616#ifdef USE_XIM
617
281void rxvt_display::reg (im_watcher *w) 618void rxvt_display::reg (im_watcher *w)
282{ 619{
283 imw.push_back (w); 620 imw.push_back (w);
284} 621}
285 622
… …
309 return xim; 646 return xim;
310} 647}
311 648
312void rxvt_display::put_xim (rxvt_xim *xim) 649void rxvt_display::put_xim (rxvt_xim *xim)
313{ 650{
651# if XLIB_IS_RACEFREE
314 xims.put (xim); 652 xims.put (xim);
653# endif
315} 654}
655
316#endif 656#endif
317 657
318Atom rxvt_display::atom (const char *name) 658Atom rxvt_display::atom (const char *name)
319{ 659{
320 return XInternAtom (display, name, False); 660 return XInternAtom (dpy, name, False);
321} 661}
322 662
323///////////////////////////////////////////////////////////////////////////// 663/////////////////////////////////////////////////////////////////////////////
324 664
325template class refcache<rxvt_display>; 665template class refcache<rxvt_display>;
326refcache<rxvt_display> displays; 666refcache<rxvt_display> displays;
327 667
328///////////////////////////////////////////////////////////////////////////// 668/////////////////////////////////////////////////////////////////////////////
329 669//
670
671static unsigned int
672insert_component (unsigned int value, unsigned int mask, unsigned int shift)
673{
674 return (value * (mask + 1) >> 16) << shift;
675}
676
330bool 677bool
331rxvt_color::set (rxvt_display *display, Pixel p) 678rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
332{ 679{
680 //TODO: only supports 24 bit
681 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
682
333#if XFT 683#if XFT
334 XColor xc; 684 XRenderPictFormat *format;
335 685
336 xc.pixel = p; 686 // FUCKING Xft gets it wrong, of course, so work around it.
337 if (!XQueryColor (display->display, display->cmap, &xc)) 687 // Transparency users should eat shit and die, and then
338 return false; 688 // XRenderQueryPictIndexValues themselves plenty.
689 if ((screen->visual->c_class == TrueColor)
690 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
691 {
692 // the fun lies in doing everything manually...
693 c.color.red = color.r;
694 c.color.green = color.g;
695 c.color.blue = color.b;
696 c.color.alpha = alpha;
339 697
698 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
699 | insert_component (color.g, format->direct.greenMask, format->direct.green)
700 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
701 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
702
703 return true;
704 }
705 else
706 {
340 XRenderColor d; 707 XRenderColor d;
341 708
342 d.red = xc.red; 709 d.red = color.r;
343 d.green = xc.green; 710 d.green = color.g;
344 d.blue = xc.blue; 711 d.blue = color.b;
345 d.alpha = 0xffff; 712 d.alpha = alpha;
346 713
347 return 714 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
348 XftColorAllocValue (display->display, 715 }
349 display->visual,
350 display->cmap,
351 &d, &c);
352#else 716#else
353 this->p = p; 717 c.red = color.r;
354#endif 718 c.green = color.g;
719 c.blue = color.b;
355 720
721 if (screen->visual->c_class == TrueColor)
722 {
723 c.pixel = (color.r >> (16 - popcount (screen->visual->red_mask )) << ctz (screen->visual->red_mask ))
724 | (color.g >> (16 - popcount (screen->visual->green_mask)) << ctz (screen->visual->green_mask))
725 | (color.b >> (16 - popcount (screen->visual->blue_mask )) << ctz (screen->visual->blue_mask ));
726
727 return true;
728 }
729 else if (XAllocColor (screen->dpy, screen->cmap, &c))
356 return true; 730 return true;
731 else
732 c.pixel = (color.r + color.g + color.b) > 128*3
733 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
734 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
735#endif
736
737 return false;
357} 738}
358 739
359bool 740bool
360rxvt_color::set (rxvt_display *display, const char *name) 741rxvt_color::set (rxvt_screen *screen, const char *name)
361{ 742{
743 rgba c;
744 char eos;
745 int skip;
746
747 c.a = rgba::MAX_CC;
748
749 // parse the nonstandard "[alphapercent]" prefix
750 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
751 {
752 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
753 name += skip;
754 }
755
756 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
757 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
758 {
362 XColor xc; 759 XColor xc;
363 760
364 if (XParseColor (display->display, display->cmap, name, &xc)) 761 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
365 return set (display, xc.red, xc.green, xc.blue); 762 {
763 c.r = xc.red;
764 c.g = xc.green;
765 c.b = xc.blue;
766 }
767 else
768 {
769 c.r = 0xffff;
770 c.g = 0x6969;
771 c.b = 0xb4b4;
366 772
367 return false; 773 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
774 }
775 }
776
777 return set (screen, c);
368} 778}
369 779
370bool 780bool
371rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb) 781rxvt_color::set (rxvt_screen *screen, const rgba &color)
372{ 782{
373 XColor xc; 783 bool got = alloc (screen, color);
374 784
375 xc.red = cr; 785#if !ENABLE_MINIMAL
376 xc.green = cg; 786 int cmap_size = screen->visual->map_entries;
377 xc.blue = cb;
378 xc.flags = DoRed | DoGreen | DoBlue;
379 787
380 if (XAllocColor (display->display, display->cmap, &xc)) 788 if (!got
381 return set (display, xc.pixel); 789 && screen->visual->c_class == PseudoColor
790 && cmap_size < 4096)
791 {
792 XColor *colors = new XColor [screen->visual->map_entries];
382 793
383 return false; 794 for (int i = 0; i < cmap_size; i++)
384} 795 colors [i].pixel = i;
385 796
797 // many kilobytes transfer per colour, but pseudocolor isn't worth
798 // many extra optimisations.
799 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
800
801 int diff = 0x7fffffffUL;
802 XColor *best = colors;
803
804 for (int i = 0; i < cmap_size; i++)
805 {
806 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
807 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
808 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
809
810 if (d < diff)
811 {
812 diff = d;
813 best = colors + i;
814 }
815 }
816
817 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
818 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
819
820 got = alloc (screen, rgba (best->red, best->green, best->blue));
821
822 delete [] colors;
823 }
824#endif
825
826 return got;
827}
828
386void 829void
387rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 830rxvt_color::get (rgba &color)
388{ 831{
389#if XFT 832#if XFT
390 cr = c.color.red; 833 color.r = c.color.red;
391 cg = c.color.green; 834 color.g = c.color.green;
392 cb = c.color.blue; 835 color.b = c.color.blue;
836 color.a = c.color.alpha;
393#else 837#else
394 XColor c;
395
396 c.pixel = p;
397 XQueryColor (display->display, display->cmap, &c);
398
399 cr = c.red; 838 color.r = c.red;
400 cg = c.green; 839 color.g = c.green;
401 cb = c.blue; 840 color.b = c.blue;
841 color.a = rgba::MAX_CC;
402#endif 842#endif
403} 843}
404 844
405void 845void
406rxvt_color::free (rxvt_display *display) 846rxvt_color::get (XColor &color)
407{ 847{
848 rgba c;
849 get (c);
850
851 color.red = c.r;
852 color.green = c.g;
853 color.blue = c.b;
854 color.pixel = (Pixel)*this;
855}
856
857void
858rxvt_color::free (rxvt_screen *screen)
859{
860 if (screen->visual->c_class == TrueColor)
861 return; // nothing to do
862
408#if XFT 863#if XFT
409 XftColorFree (display->display, display->visual, display->cmap, &c); 864 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
410#else 865#else
411 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes); 866 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
412#endif 867#endif
413} 868}
414 869
415rxvt_color 870void
416rxvt_color::fade (rxvt_display *display, int percent) 871rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
417{ 872{
418 unsigned short cr, cg, cb; 873 rgba c;
419 rxvt_color faded; 874 get (c);
420 875
421 get (display, cr, cg, cb); 876 result.set (
422 faded.set (display, 877 screen,
423 cr * percent / 100, 878 rgba (
424 cg * percent / 100, 879 lerp (c.r, to.r, percent),
425 cb * percent / 100); 880 lerp (c.g, to.g, percent),
881 lerp (c.b, to.b, percent),
882 lerp (c.a, to.a, percent)
883 )
884 );
885}
426 886
887#if TRACE_PIXMAPS
888# undef XCreatePixmap
889# undef XFreePixmap
890Pixmap trace_XCreatePixmap (const char *file, int line, Display *dpy, Window r, unsigned int w, unsigned int h, unsigned int d)
891{
892 Pixmap res = XCreatePixmap (dpy, r, w, h, d);
893 fprintf (stderr, "%s:%d: XCreatePixmap (%p,%lX,%u,%u,%u) returned %lX\n", file, line, dpy, r, w, h, d, res);
427 return faded; 894 return res;
428} 895}
429 896
897void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p)
898{
899 fprintf (stderr, "%s:%d: XFreePixmap (%p,%lX)\n", file, line, dpy, p);
900 XFreePixmap (dpy,p);
901}
902#endif

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