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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.12 by root, Mon Jan 17 00:59:24 2005 UTC vs.
Revision 1.58 by root, Wed Jul 5 19:22:15 2006 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) 2003-2006 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 TRANSPARENT
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}
… …
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 {
… …
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)
… …
107 169
108 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim)); 170 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim));
109 display->im_change_cb (); 171 display->im_change_cb ();
110} 172}
111 173
174bool
112bool rxvt_xim::init () 175rxvt_xim::ref_init ()
113{ 176{
114 display = GET_R->display; //HACK: TODO 177 display = GET_R->display; //HACK: TODO
115 178
116 xim = XOpenIM (display->display, NULL, NULL, NULL); 179 xim = XOpenIM (display->dpy, 0, 0, 0);
117 180
118 if (!xim) 181 if (!xim)
119 return false; 182 return false;
120 183
121 XIMCallback ximcallback; 184 XIMCallback ximcallback;
122 ximcallback.client_data = (XPointer)this; 185 ximcallback.client_data = (XPointer)this;
123 ximcallback.callback = im_destroy_cb; 186 ximcallback.callback = im_destroy_cb;
124 187
125 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 188 XSetIMValues (xim, XNDestroyCallback, &ximcallback, 0);
126 189
127 return true; 190 return true;
128} 191}
129 192
130rxvt_xim::~rxvt_xim () 193rxvt_xim::~rxvt_xim ()
131{ 194{
132 if (xim) 195 if (xim)
133 XCloseIM (xim); 196 XCloseIM (xim);
134} 197}
198
135#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::set (rxvt_display *disp, int bitdepth)
268{
269 set (disp);
270
271#if XFT
272 XVisualInfo vinfo;
273
274 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
275 {
276 depth = bitdepth;
277 visual = vinfo.visual;
278 cmap = XCreateColormap (dpy, disp->root, visual, AllocNone);
279 }
280#endif
281}
282
283void
284rxvt_screen::clear ()
285{
286#if XFT
287 if (scratch_area)
288 {
289 XFreePixmap (dpy, scratch_area->drawable);
290 delete scratch_area;
291 }
292#endif
293
294 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
295 XFreeColormap (dpy, cmap);
296}
136 297
137///////////////////////////////////////////////////////////////////////////// 298/////////////////////////////////////////////////////////////////////////////
138 299
139rxvt_display::rxvt_display (const char *id) 300rxvt_display::rxvt_display (const char *id)
140: refcounted (id) 301: refcounted (id)
141, x_ev (this, &rxvt_display::x_cb) 302, x_ev (this, &rxvt_display::x_cb)
142, selection_owner (0) 303, selection_owner (0)
143{ 304{
144} 305}
145 306
307XrmDatabase
308rxvt_display::get_resources (bool refresh)
309{
310 char *homedir = (char *)getenv ("HOME");
311 char fname[1024];
312
313 /*
314 * get resources using the X library function
315 */
316 char *displayResource, *xe;
317 XrmDatabase rdb1, database = 0;
318
319 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
320
321 // 6. System wide per application default file.
322
323 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
324 if ((xe = (char *)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 /* Get any Xserver defaults */
337 if (refresh)
338 {
339 // fucking xlib keeps a copy of the rm string
340 Atom actual_type;
341 int actual_format;
342 unsigned long nitems, nremaining;
343 char *val = 0;
344
345#if XLIB_ILLEGAL_ACCESS
346 if (dpy->xdefaults)
347 XFree (dpy->xdefaults);
348#endif
349
350 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
351 0L, 100000000L, False,
352 XA_STRING, &actual_type, &actual_format,
353 &nitems, &nremaining,
354 (unsigned char **)&val) == Success
355 && actual_type == XA_STRING
356 && actual_format == 8)
357 displayResource = val;
358 else
359 {
360 displayResource = 0;
361 if (val)
362 XFree(val);
363 }
364
365#if XLIB_ILLEGAL_ACCESS
366 dpy->xdefaults = displayResource;
367#endif
368 }
369 else
370 displayResource = XResourceManagerString (dpy);
371
372 if (displayResource)
373 {
374 if ((rdb1 = XrmGetStringDatabase (displayResource)))
375 XrmMergeDatabases (rdb1, &database);
376 }
377 else if (homedir)
378 {
379 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
380
381 if ((rdb1 = XrmGetFileDatabase (fname)))
382 XrmMergeDatabases (rdb1, &database);
383 }
384
385#if !XLIB_ILLEGAL_ACCESS
386 if (refresh && displayResource)
387 XFree (displayResource);
388#endif
389
390 /* Get screen specific resources */
391 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
392
393 if (displayResource)
394 {
395 if ((rdb1 = XrmGetStringDatabase (displayResource)))
396 /* Merge with screen-independent resources */
397 XrmMergeDatabases (rdb1, &database);
398
399 XFree (displayResource);
400 }
401
402 // 3. User's per host defaults file
403 /* Add in XENVIRONMENT file */
404 if ((xe = (char *)getenv ("XENVIRONMENT"))
405 && (rdb1 = XrmGetFileDatabase (xe)))
406 XrmMergeDatabases (rdb1, &database);
407 else if (homedir)
408 {
409 struct utsname un;
410
411 if (!uname (&un))
412 {
413 snprintf (fname, sizeof (fname), "%s/.Xdefaults-%s", homedir, un.nodename);
414
415 if ((rdb1 = XrmGetFileDatabase (fname)))
416 XrmMergeDatabases (rdb1, &database);
417 }
418 }
419
420 return database;
421}
422
146bool rxvt_display::init () 423bool rxvt_display::ref_init ()
147{ 424{
425#ifdef LOCAL_X_IS_UNIX
426 if (id[0] == ':')
427 {
428 val = rxvt_malloc (5 + strlen (id) + 1);
429 strcpy (val, "unix/");
430 strcat (val, id);
431 dpy = XOpenDisplay (val);
432 free (val);
433 }
434 else
435#endif
436 dpy = 0;
437
438 if (!dpy)
148 display = XOpenDisplay (id); 439 dpy = XOpenDisplay (id);
149 440
150 if (!display) 441 if (!dpy)
151 return false; 442 return false;
152 443
153 screen = DefaultScreen (display); 444 screen = DefaultScreen (dpy);
154 root = DefaultRootWindow (display); 445 root = DefaultRootWindow (dpy);
155 visual = DefaultVisual (display, screen);
156 cmap = DefaultColormap (display, screen);
157 depth = DefaultDepth (display, screen);
158 446
447 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
448 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
449
450 XrmSetDatabase (dpy, get_resources (false));
451
452#ifdef POINTER_BLANK
453 XColor blackcolour;
454 blackcolour.red = 0;
455 blackcolour.green = 0;
456 blackcolour.blue = 0;
457 Font f = XLoadFont (dpy, "fixed");
458 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
459 &blackcolour, &blackcolour);
460 XUnloadFont (dpy, f);
461#endif
462
159 int fd = XConnectionNumber (display); 463 int fd = XConnectionNumber (dpy);
160 464
161#ifndef NO_SLOW_LINK_SUPPORT
162 // try to detetc wether we have a local connection. 465 // try to detect wether we have a local connection.
163 // assume unix domains socket == local, everything else not 466 // assume unix domains socket == local, everything else not
164 // TODO: might want to check for inet/127.0.0.1 467 // TODO: might want to check for inet/127.0.0.1
165 is_local = 0; 468 is_local = 0;
166 sockaddr_un sa; 469 sockaddr_un sa;
167 socklen_t sl = sizeof (sa); 470 socklen_t sl = sizeof (sa);
168 471
169 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 472 if (!getsockname (fd, (sockaddr *)&sa, &sl))
170 is_local = sa.sun_family == AF_LOCAL; 473 is_local = sa.sun_family == AF_LOCAL;
171#endif
172
173#ifdef POINTER_BLANK
174 XColor blackcolour;
175 blackcolour.red = 0;
176 blackcolour.green = 0;
177 blackcolour.blue = 0;
178 Font f = XLoadFont (display, "fixed");
179 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ',
180 &blackcolour, &blackcolour);
181 XUnloadFont (display, f);
182#endif
183
184#ifdef PREFER_24BIT
185 /*
186 * If depth is not 24, look for a 24bit visual.
187 */
188 if (depth != 24)
189 {
190 XVisualInfo vinfo;
191
192 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
193 {
194 depth = 24;
195 visual = vinfo.visual;
196 cmap = XCreateColormap (display,
197 RootWindow (display, screen),
198 visual, AllocNone);
199 }
200 }
201#endif
202 474
203 x_ev.start (fd, EVENT_READ); 475 x_ev.start (fd, EVENT_READ);
204 fcntl (fd, F_SETFD, FD_CLOEXEC); 476 fcntl (fd, F_SETFD, FD_CLOEXEC);
205 477
206 XSelectInput (display, root, PropertyChangeMask); 478 XSelectInput (dpy, root, PropertyChangeMask);
207#ifdef USE_XIM
208 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
209#endif
210 479
211 flush (); 480 flush ();
212 481
213 return true; 482 return true;
214} 483}
215 484
485void
486rxvt_display::ref_next ()
487{
488 // TODO: somehow check wether the database files/resources changed
489 // before affording re-loading/parsing
490 XrmDestroyDatabase (XrmGetDatabase (dpy));
491 XrmSetDatabase (dpy, get_resources (true));
492}
493
216rxvt_display::~rxvt_display () 494rxvt_display::~rxvt_display ()
217{ 495{
496 if (!dpy)
497 return;
498
499#ifdef POINTER_BLANK
500 XFreeCursor (dpy, blank_cursor);
501#endif
218 x_ev.stop (); 502 x_ev.stop ();
219#ifdef USE_XIM 503#ifdef USE_XIM
220 xims.clear (); 504 xims.clear ();
221#endif 505#endif
222
223 if (display)
224 XCloseDisplay (display); 506 XCloseDisplay (dpy);
225} 507}
226 508
227#ifdef USE_XIM 509#ifdef USE_XIM
228void rxvt_display::im_change_cb () 510void rxvt_display::im_change_cb ()
229{ 511{
… …
231 (*i)->call (); 513 (*i)->call ();
232} 514}
233 515
234void rxvt_display::im_change_check () 516void rxvt_display::im_change_check ()
235{ 517{
236 // make sure we only call im_change_cb when a new input method 518 // try to only call im_change_cb when a new input method
237 // registers, as xlib crashes due to a race otherwise. 519 // registers, as xlib crashes due to a race otherwise.
238 Atom actual_type, *atoms; 520 Atom actual_type, *atoms;
239 int actual_format; 521 int actual_format;
240 unsigned long nitems, bytes_after; 522 unsigned long nitems, bytes_after;
241 523
242 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 524 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
243 False, XA_ATOM, &actual_type, &actual_format, 525 False, XA_ATOM, &actual_type, &actual_format,
244 &nitems, &bytes_after, (unsigned char **)&atoms) 526 &nitems, &bytes_after, (unsigned char **)&atoms)
245 != Success ) 527 != Success )
246 return; 528 return;
247 529
248 if (actual_type == XA_ATOM && actual_format == 32) 530 if (actual_type == XA_ATOM && actual_format == 32)
249 for (int i = 0; i < nitems; i++) 531 for (int i = 0; i < nitems; i++)
250 if (XGetSelectionOwner (display, atoms[i])) 532 if (XGetSelectionOwner (dpy, atoms[i]))
251 { 533 {
252 im_change_cb (); 534 im_change_cb ();
253 break; 535 break;
254 } 536 }
255 537
… …
260void rxvt_display::x_cb (io_watcher &w, short revents) 542void rxvt_display::x_cb (io_watcher &w, short revents)
261{ 543{
262 do 544 do
263 { 545 {
264 XEvent xev; 546 XEvent xev;
265 XNextEvent (display, &xev); 547 XNextEvent (dpy, &xev);
266 548
267#ifdef USE_XIM 549#ifdef USE_XIM
268 if (!XFilterEvent (&xev, None)) 550 if (!XFilterEvent (&xev, None))
269 { 551 {
270
271 if (xev.type == PropertyNotify 552 if (xev.type == PropertyNotify
272 && xev.xany.window == root 553 && xev.xany.window == root
273 && xev.xproperty.atom == xa_xim_servers) 554 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
274 im_change_check (); 555 im_change_check ();
275#endif 556#endif
276 for (int i = xw.size (); i--; ) 557 for (int i = xw.size (); i--; )
277 { 558 {
278 if (!xw[i]) 559 if (!xw[i])
… …
282 } 563 }
283#ifdef USE_XIM 564#ifdef USE_XIM
284 } 565 }
285#endif 566#endif
286 } 567 }
287 while (XEventsQueued (display, QueuedAlready)); 568 while (XEventsQueued (dpy, QueuedAlready));
288 569
289 XFlush (display); 570 XFlush (dpy);
290} 571}
291 572
292void rxvt_display::flush () 573void rxvt_display::flush ()
293{ 574{
294 if (XEventsQueued (display, QueuedAlready)) 575 if (XEventsQueued (dpy, QueuedAlready))
295 x_cb (x_ev, EVENT_READ); 576 x_cb (x_ev, EVENT_READ);
296 577
297 XFlush (display); 578 XFlush (dpy);
298} 579}
299 580
300void rxvt_display::reg (xevent_watcher *w) 581void rxvt_display::reg (xevent_watcher *w)
301{ 582{
302 xw.push_back (w); 583 xw.push_back (w);
… …
316 597
317 selection_owner = owner; 598 selection_owner = owner;
318} 599}
319 600
320#ifdef USE_XIM 601#ifdef USE_XIM
602
321void rxvt_display::reg (im_watcher *w) 603void rxvt_display::reg (im_watcher *w)
322{ 604{
323 imw.push_back (w); 605 imw.push_back (w);
324} 606}
325 607
… …
349 return xim; 631 return xim;
350} 632}
351 633
352void rxvt_display::put_xim (rxvt_xim *xim) 634void rxvt_display::put_xim (rxvt_xim *xim)
353{ 635{
354#if XLIB_IS_RACEFREE 636# if XLIB_IS_RACEFREE
355 xims.put (xim); 637 xims.put (xim);
356#endif 638# endif
357} 639}
640
358#endif 641#endif
359 642
360Atom rxvt_display::atom (const char *name) 643Atom rxvt_display::atom (const char *name)
361{ 644{
362 return XInternAtom (display, name, False); 645 return XInternAtom (dpy, name, False);
363} 646}
364 647
365///////////////////////////////////////////////////////////////////////////// 648/////////////////////////////////////////////////////////////////////////////
366 649
367template class refcache<rxvt_display>; 650template class refcache<rxvt_display>;
368refcache<rxvt_display> displays; 651refcache<rxvt_display> displays;
369 652
370///////////////////////////////////////////////////////////////////////////// 653/////////////////////////////////////////////////////////////////////////////
371 654//
655
656static unsigned int
657insert_component (unsigned int value, unsigned int mask, unsigned int shift)
658{
659 return (value * (mask + 1) >> 16) << shift;
660}
661
372bool 662bool
373rxvt_color::set (rxvt_display *display, Pixel p) 663rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
374{ 664{
375#if XFT 665#if XFT
376 XColor xc; 666 XRenderPictFormat *format;
377 667
378 xc.pixel = p; 668 // FUCKING Xft gets it wrong, of course, so work around it.
379 if (!XQueryColor (display->display, display->cmap, &xc)) 669 // Transparency users should eat shit and die, and then
380 return false; 670 // XRenderQueryPictIndexValues themselves plenty.
671 if ((screen->visual->c_class == TrueColor)
672 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
673 {
674 // the fun lies in doing everything manually...
675 c.color.red = color.r;
676 c.color.green = color.g;
677 c.color.blue = color.b;
678 c.color.alpha = color.a;
381 679
680 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
681 | insert_component (color.g, format->direct.greenMask, format->direct.green)
682 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
683 | insert_component (color.a, format->direct.alphaMask, format->direct.alpha);
684
685 return true;
686 }
687 else
688 {
382 XRenderColor d; 689 XRenderColor d;
383 690
384 d.red = xc.red; 691 d.red = color.r;
385 d.green = xc.green; 692 d.green = color.g;
386 d.blue = xc.blue; 693 d.blue = color.b;
387 d.alpha = 0xffff; 694 d.alpha = color.a;
388 695
389 return 696 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
390 XftColorAllocValue (display->display, 697 }
391 display->visual,
392 display->cmap,
393 &d, &c);
394#else 698#else
395 this->p = p; 699 c.red = color.r;
396#endif 700 c.green = color.g;
701 c.blue = color.b;
397 702
703 if (screen->visual->c_class == TrueColor)
704 {
705 c.pixel = (color.r * (screen->visual->red_mask >> ctz (screen->visual->red_mask ))
706 / rgba::MAX_CC) << ctz (screen->visual->red_mask )
707 | (color.g * (screen->visual->green_mask >> ctz (screen->visual->green_mask))
708 / rgba::MAX_CC) << ctz (screen->visual->green_mask)
709 | (color.b * (screen->visual->blue_mask >> ctz (screen->visual->blue_mask ))
710 / rgba::MAX_CC) << ctz (screen->visual->blue_mask );
711
712 return true;
713 }
714 else if (XAllocColor (screen->dpy, screen->cmap, &c))
398 return true; 715 return true;
716 else
717 c.pixel = (color.r + color.g + color.b) > 128*3
718 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
719 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
720#endif
721
722 return false;
399} 723}
400 724
401bool 725bool
402rxvt_color::set (rxvt_display *display, const char *name) 726rxvt_color::set (rxvt_screen *screen, const char *name)
727{
728 rgba c;
729 char eos;
730 int skip;
731
732 // parse the nonstandard "[alphapercent]" prefix
733 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
734 {
735 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
736 name += skip;
737 }
738 else
739 c.a = rgba::MAX_CC;
740
741 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
742 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
743 {
744 XColor xc, xc_exact;
745
746 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
747 {
748 c.r = xc.red;
749 c.g = xc.green;
750 c.b = xc.blue;
751 }
752 else
753 {
754 c.r = 0xffff;
755 c.g = 0x6969;
756 c.b = 0xb4b4;
757
758 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
759 }
760 }
761
762 return set (screen, c);
763}
764
765bool
766rxvt_color::set (rxvt_screen *screen, const rgba &color)
767{
768 bool got = alloc (screen, color);
769
770#if !ENABLE_MINIMAL
771 int cmap_size = screen->visual->map_entries;
772
773 if (!got
774 && screen->visual->c_class == PseudoColor
775 && cmap_size < 4096)
776 {
777 XColor *colors = new XColor [screen->visual->map_entries];
778
779 for (int i = 0; i < cmap_size; i++)
780 colors [i].pixel = i;
781
782 // many kilobytes transfer per colour, but pseudocolor isn't worth
783 // many extra optimisations.
784 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
785
786 int diff = 0x7fffffffUL;
787 XColor *best = colors;
788
789 for (int i = 0; i < cmap_size; i++)
790 {
791 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
792 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
793 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
794
795 if (d < diff)
796 {
797 diff = d;
798 best = colors + i;
799 }
800 }
801
802 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
803 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
804
805 got = alloc (screen, rgba (best->red, best->green, best->blue));
806
807 delete colors;
808 }
809#endif
810
811 return got;
812}
813
814void
815rxvt_color::get (rgba &color)
403{ 816{
404#if XFT 817#if XFT
405 return XftColorAllocName (display->display, display->visual, display->cmap, 818 color.r = c.color.red;
406 name, &c); 819 color.g = c.color.green;
820 color.b = c.color.blue;
821 color.a = c.color.alpha;
407#else 822#else
408 XColor xc; 823 color.r = c.red;
409 824 color.g = c.green;
410 if (XParseColor (display->display, display->cmap, name, &xc)) 825 color.b = c.blue;
411 return set (display, xc.red, xc.green, xc.blue); 826 color.a = rgba::MAX_CC;
412
413 return false;
414#endif 827#endif
415} 828}
416 829
417bool 830void
418rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb) 831rxvt_color::get (XColor &color)
419{ 832{
420 XColor xc; 833 rgba c;
834 get (c);
421 835
422 xc.red = cr; 836 color.red = c.r;
423 xc.green = cg; 837 color.green = c.g;
424 xc.blue = cb; 838 color.blue = c.b;
425 xc.flags = DoRed | DoGreen | DoBlue; 839 color.pixel = (Pixel)*this;
426
427 if (XAllocColor (display->display, display->cmap, &xc))
428 return set (display, xc.pixel);
429
430 return false;
431} 840}
432 841
433void 842void
434rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 843rxvt_color::free (rxvt_screen *screen)
435{ 844{
845 if (screen->visual->c_class == TrueColor)
846 return; // nothing to do
847
436#if XFT 848#if XFT
437 cr = c.color.red; 849 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
438 cg = c.color.green;
439 cb = c.color.blue;
440#else 850#else
441 XColor c; 851 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
442
443 c.pixel = p;
444 XQueryColor (display->display, display->cmap, &c);
445
446 cr = c.red;
447 cg = c.green;
448 cb = c.blue;
449#endif 852#endif
450} 853}
451 854
452void 855void
453rxvt_color::free (rxvt_display *display) 856rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
454{ 857{
455#if XFT 858 rgba c;
456 XftColorFree (display->display, display->visual, display->cmap, &c); 859 get (c);
457#else
458 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
459#endif
460}
461 860
462rxvt_color 861 result.set (
463rxvt_color::fade (rxvt_display *display, int percent) 862 screen,
464{ 863 rgba (
465 unsigned short cr, cg, cb; 864 lerp (c.r, to.r, percent),
466 rxvt_color faded; 865 lerp (c.g, to.g, percent),
467 866 lerp (c.b, to.b, percent),
468 get (display, cr, cg, cb); 867 lerp (c.a, to.a, percent)
469 faded.set (display, 868 )
470 cr * percent / 100, 869 );
471 cg * percent / 100,
472 cb * percent / 100);
473
474 return faded;
475} 870}
476 871

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