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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.21 by root, Sun Jan 8 07:55:36 2006 UTC vs.
Revision 1.112 by sf-exg, Thu Dec 30 00:35:29 2010 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.
… …
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
38static const 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",
33#endif 91# endif
92#endif
93};
94
95/////////////////////////////////////////////////////////////////////////////
34 96
35refcounted::refcounted (const char *id) 97refcounted::refcounted (const char *id)
36{ 98{
37 this->id = strdup (id); 99 this->id = strdup (id);
38} 100}
… …
47{ 109{
48 for (T **i = this->begin (); i < this->end (); ++i) 110 for (T **i = this->begin (); i < this->end (); ++i)
49 { 111 {
50 if (!strcmp (id, (*i)->id)) 112 if (!strcmp (id, (*i)->id))
51 { 113 {
52 (*i)->referenced++; 114 ++(*i)->referenced;
115 (*i)->ref_next ();
53 return *i; 116 return *i;
54 } 117 }
55 } 118 }
56 119
57 T *obj = new T (id); 120 T *obj = new T (id);
58 121
59 obj->referenced = 1;
60
61 if (obj && obj->init ()) 122 if (obj && obj->ref_init ())
62 { 123 {
124 obj->referenced = 1;
63 this->push_back (obj); 125 this->push_back (obj);
64 return obj; 126 return obj;
65 } 127 }
66 else 128 else
67 { 129 {
… …
91} 153}
92 154
93///////////////////////////////////////////////////////////////////////////// 155/////////////////////////////////////////////////////////////////////////////
94 156
95#ifdef USE_XIM 157#ifdef USE_XIM
158
96static void 159static void
97#if XIMCB_PROTO_BROKEN 160#if XIMCB_PROTO_BROKEN
98im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) 161im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3)
99#else 162#else
100im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3) 163im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3)
… …
107 170
108 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim)); 171 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim));
109 display->im_change_cb (); 172 display->im_change_cb ();
110} 173}
111 174
175bool
112bool rxvt_xim::init () 176rxvt_xim::ref_init ()
113{ 177{
114 display = GET_R->display; //HACK: TODO 178 display = GET_R->display; //HACK: TODO
115 179
116 xim = XOpenIM (display->display, NULL, NULL, NULL); 180 xim = XOpenIM (display->dpy, 0, 0, 0);
117 181
118 if (!xim) 182 if (!xim)
119 return false; 183 return false;
120 184
121 XIMCallback ximcallback; 185 XIMCallback ximcallback;
122 ximcallback.client_data = (XPointer)this; 186 ximcallback.client_data = (XPointer)this;
123 ximcallback.callback = im_destroy_cb; 187 ximcallback.callback = im_destroy_cb;
124 188
125 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 189 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
126 190
127 return true; 191 return true;
128} 192}
129 193
130rxvt_xim::~rxvt_xim () 194rxvt_xim::~rxvt_xim ()
131{ 195{
132 if (xim) 196 if (xim)
133 XCloseIM (xim); 197 XCloseIM (xim);
134} 198}
199
135#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}
136 296
137///////////////////////////////////////////////////////////////////////////// 297/////////////////////////////////////////////////////////////////////////////
138 298
139rxvt_display::rxvt_display (const char *id) 299rxvt_display::rxvt_display (const char *id)
140: refcounted (id) 300: refcounted (id)
141, x_ev (this, &rxvt_display::x_cb)
142, selection_owner (0) 301, selection_owner (0)
302, clipboard_owner (0)
143{ 303{
304 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
305 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
144} 306}
145 307
308XrmDatabase
309rxvt_display::get_resources (bool refresh)
310{
311 char *homedir = getenv ("HOME");
312 char fname[1024];
313
314 /*
315 * get resources using the X library function
316 */
317 char *displayResource, *xe;
318 XrmDatabase rdb1, database = 0;
319
320 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
321 // as opposed to "standard practise", we always read in ~/.Xdefaults
322
323 // 6. System wide per application default file.
324
325 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
326 if ((xe = getenv ("XAPPLRESDIR")))
327 {
328 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
329
330 if ((rdb1 = XrmGetFileDatabase (fname)))
331 XrmMergeDatabases (rdb1, &database);
332 }
333
334 // 5. User's per application default file.
335 // none
336
337 // 4. User's defaults file.
338 if (homedir)
339 {
340 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
341
342 if ((rdb1 = XrmGetFileDatabase (fname)))
343 XrmMergeDatabases (rdb1, &database);
344 }
345
346 /* Get any Xserver defaults */
347 if (refresh)
348 {
349 // fucking xlib keeps a copy of the rm string
350 Atom actual_type;
351 int actual_format;
352 unsigned long nitems, nremaining;
353 char *val = 0;
354
355#if XLIB_ILLEGAL_ACCESS
356 if (dpy->xdefaults)
357 XFree (dpy->xdefaults);
358#endif
359
360 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
361 0L, 100000000L, False,
362 XA_STRING, &actual_type, &actual_format,
363 &nitems, &nremaining,
364 (unsigned char **)&val) == Success
365 && actual_type == XA_STRING
366 && actual_format == 8)
367 displayResource = val;
368 else
369 {
370 displayResource = 0;
371
372 if (val)
373 XFree (val);
374 }
375
376#if XLIB_ILLEGAL_ACCESS
377 dpy->xdefaults = displayResource;
378#endif
379 }
380 else
381 displayResource = XResourceManagerString (dpy);
382
383 if (displayResource)
384 {
385 if ((rdb1 = XrmGetStringDatabase (displayResource)))
386 XrmMergeDatabases (rdb1, &database);
387 }
388
389#if !XLIB_ILLEGAL_ACCESS
390 if (refresh && displayResource)
391 XFree (displayResource);
392#endif
393
394 /* Get screen specific resources */
395 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
396
397 if (displayResource)
398 {
399 if ((rdb1 = XrmGetStringDatabase (displayResource)))
400 /* Merge with screen-independent resources */
401 XrmMergeDatabases (rdb1, &database);
402
403 XFree (displayResource);
404 }
405
406 // 3. User's per host defaults file
407 /* Add in XENVIRONMENT file */
408 if ((xe = getenv ("XENVIRONMENT"))
409 && (rdb1 = XrmGetFileDatabase (xe)))
410 XrmMergeDatabases (rdb1, &database);
411 else if (homedir)
412 {
413 struct utsname un;
414
415 if (!uname (&un))
416 {
417 snprintf (fname, sizeof (fname), "%s/.Xdefaults-%s", homedir, un.nodename);
418
419 if ((rdb1 = XrmGetFileDatabase (fname)))
420 XrmMergeDatabases (rdb1, &database);
421 }
422 }
423
424 return database;
425}
426
146bool rxvt_display::init () 427bool rxvt_display::ref_init ()
147{ 428{
148#ifdef LOCAL_X_IS_UNIX 429#ifdef LOCAL_X_IS_UNIX
149 if (id[0] == ':') 430 if (id[0] == ':')
150 { 431 {
151 val = rxvt_malloc (5 + strlen (id) + 1); 432 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
433 return false;
152 strcpy (val, "unix/"); 434 strcpy (val, "unix/");
153 strcat (val, id); 435 strcat (val, id);
154 display = XOpenDisplay (val); 436 dpy = XOpenDisplay (val);
155 free (val);
156 } 437 }
157 else 438 else
158#endif 439#endif
159 display = 0; 440 dpy = 0;
160 441
161 if (!display) 442 if (!dpy)
162 display = XOpenDisplay (id); 443 dpy = XOpenDisplay (id);
163 444
164 if (!display) 445 if (!dpy)
165 return false; 446 return false;
166 447
167 screen = DefaultScreen (display); 448 screen = DefaultScreen (dpy);
168 root = DefaultRootWindow (display); 449 root = DefaultRootWindow (dpy);
169 visual = DefaultVisual (display, screen);
170 cmap = DefaultColormap (display, screen);
171 depth = DefaultDepth (display, screen);
172 450
173 int fd = XConnectionNumber (display); 451 assert (ARRAY_LENGTH(xa_names) == NUM_XA);
452 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
174 453
175#ifndef NO_SLOW_LINK_SUPPORT 454 XrmSetDatabase (dpy, get_resources (false));
176 // try to detect wether we have a local connection.
177 // assume unix domains socket == local, everything else not
178 // TODO: might want to check for inet/127.0.0.1
179 is_local = 0;
180 sockaddr_un sa;
181 socklen_t sl = sizeof (sa);
182
183 if (!getsockname (fd, (sockaddr *)&sa, &sl))
184 is_local = sa.sun_family == AF_LOCAL;
185#endif
186 455
187#ifdef POINTER_BLANK 456#ifdef POINTER_BLANK
188 XColor blackcolour; 457 XColor blackcolour;
189 blackcolour.red = 0; 458 blackcolour.red = 0;
190 blackcolour.green = 0; 459 blackcolour.green = 0;
191 blackcolour.blue = 0; 460 blackcolour.blue = 0;
192 Font f = XLoadFont (display, "fixed"); 461 Font f = XLoadFont (dpy, "fixed");
193 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 462 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
194 &blackcolour, &blackcolour); 463 &blackcolour, &blackcolour);
195 XUnloadFont (display, f); 464 XUnloadFont (dpy, f);
196#endif 465#endif
197 466
198#ifdef PREFER_24BIT 467 int fd = XConnectionNumber (dpy);
199 /*
200 * If depth is not 24, look for a 24bit visual.
201 */
202 if (depth != 24)
203 {
204 XVisualInfo vinfo;
205 468
206 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo)) 469 // try to detect whether we have a local connection.
207 { 470 // assume unix domain socket == local, everything else not
208 depth = 24; 471 // TODO: might want to check for inet/127.0.0.1
209 visual = vinfo.visual; 472 is_local = 0;
210 cmap = XCreateColormap (display, 473 sockaddr_un sa;
211 RootWindow (display, screen), 474 socklen_t sl = sizeof (sa);
212 visual, AllocNone);
213 }
214 }
215#endif
216 475
476 if (!getsockname (fd, (sockaddr *)&sa, &sl))
477 is_local = sa.sun_family == AF_UNIX;
478
479 flush_ev.start ();
217 x_ev.start (fd, EVENT_READ); 480 x_ev.start (fd, ev::READ);
218 fcntl (fd, F_SETFD, FD_CLOEXEC); 481 fcntl (fd, F_SETFD, FD_CLOEXEC);
219 482
220 XSelectInput (display, root, PropertyChangeMask); 483 XSelectInput (dpy, root, PropertyChangeMask);
221#ifdef USE_XIM
222 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
223#endif
224 484
225 flush (); 485 flush ();
226 486
227 return true; 487 return true;
228} 488}
229 489
490void
491rxvt_display::ref_next ()
492{
493 // TODO: somehow check whether the database files/resources changed
494 // before affording re-loading/parsing
495 XrmDestroyDatabase (XrmGetDatabase (dpy));
496 XrmSetDatabase (dpy, get_resources (true));
497}
498
230rxvt_display::~rxvt_display () 499rxvt_display::~rxvt_display ()
231{ 500{
501 if (!dpy)
502 return;
503
232#ifdef POINTER_BLANK 504#ifdef POINTER_BLANK
233 XFreeCursor (display, blank_cursor); 505 XFreeCursor (dpy, blank_cursor);
234#endif 506#endif
235 x_ev.stop (); 507 x_ev.stop ();
508 flush_ev.stop ();
236#ifdef USE_XIM 509#ifdef USE_XIM
237 xims.clear (); 510 xims.clear ();
238#endif 511#endif
239 512 XrmDestroyDatabase (XrmGetDatabase (dpy));
240 if (display)
241 XCloseDisplay (display); 513 XCloseDisplay (dpy);
242} 514}
243 515
244#ifdef USE_XIM 516#ifdef USE_XIM
245void rxvt_display::im_change_cb () 517void rxvt_display::im_change_cb ()
246{ 518{
… …
254 // registers, as xlib crashes due to a race otherwise. 526 // registers, as xlib crashes due to a race otherwise.
255 Atom actual_type, *atoms; 527 Atom actual_type, *atoms;
256 int actual_format; 528 int actual_format;
257 unsigned long nitems, bytes_after; 529 unsigned long nitems, bytes_after;
258 530
259 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 531 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
260 False, XA_ATOM, &actual_type, &actual_format, 532 False, XA_ATOM, &actual_type, &actual_format,
261 &nitems, &bytes_after, (unsigned char **)&atoms) 533 &nitems, &bytes_after, (unsigned char **)&atoms)
262 != Success ) 534 != Success)
263 return; 535 return;
264 536
265 if (actual_type == XA_ATOM && actual_format == 32) 537 if (actual_type == XA_ATOM && actual_format == 32)
266 for (int i = 0; i < nitems; i++) 538 for (int i = 0; i < nitems; i++)
267 if (XGetSelectionOwner (display, atoms[i])) 539 if (XGetSelectionOwner (dpy, atoms[i]))
268 { 540 {
269 im_change_cb (); 541 im_change_cb ();
270 break; 542 break;
271 } 543 }
272 544
273 XFree (atoms); 545 XFree (atoms);
274} 546}
275#endif 547#endif
276 548
277void rxvt_display::x_cb (io_watcher &w, short revents) 549void rxvt_display::x_cb (ev::io &w, int revents)
278{ 550{
551 flush_ev.start ();
552}
553
554void rxvt_display::flush_cb (ev::prepare &w, int revents)
555{
556 while (XEventsQueued (dpy, QueuedAfterFlush))
279 do 557 do
280 { 558 {
281 XEvent xev; 559 XEvent xev;
282 XNextEvent (display, &xev); 560 XNextEvent (dpy, &xev);
283 561
284#ifdef USE_XIM 562#ifdef USE_XIM
285 if (!XFilterEvent (&xev, None)) 563 if (!XFilterEvent (&xev, None))
286 { 564 {
287 if (xev.type == PropertyNotify 565 if (xev.type == PropertyNotify
288 && xev.xany.window == root 566 && xev.xany.window == root
289 && xev.xproperty.atom == xa_xim_servers) 567 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
290 im_change_check (); 568 im_change_check ();
291#endif 569#endif
570 if (xev.type == MappingNotify)
571 XRefreshKeyboardMapping (&xev.xmapping);
572
292 for (int i = xw.size (); i--; ) 573 for (int i = xw.size (); i--; )
293 { 574 {
294 if (!xw[i]) 575 if (!xw[i])
295 xw.erase_unordered (i); 576 xw.erase_unordered (i);
296 else if (xw[i]->window == xev.xany.window) 577 else if (xw[i]->window == xev.xany.window)
297 xw[i]->call (xev); 578 xw[i]->call (xev);
298 } 579 }
299#ifdef USE_XIM 580#ifdef USE_XIM
300 } 581 }
301#endif 582#endif
302 } 583 }
303 while (XEventsQueued (display, QueuedAlready)); 584 while (XEventsQueued (dpy, QueuedAlready));
304 585
305 XFlush (display); 586 w.stop ();
306}
307
308void rxvt_display::flush ()
309{
310 if (XEventsQueued (display, QueuedAlready))
311 x_cb (x_ev, EVENT_READ);
312
313 XFlush (display);
314} 587}
315 588
316void rxvt_display::reg (xevent_watcher *w) 589void rxvt_display::reg (xevent_watcher *w)
317{ 590{
591 if (!w->active)
592 {
318 xw.push_back (w); 593 xw.push_back (w);
319 w->active = xw.size (); 594 w->active = xw.size ();
595 }
320} 596}
321 597
322void rxvt_display::unreg (xevent_watcher *w) 598void rxvt_display::unreg (xevent_watcher *w)
323{ 599{
324 if (w->active) 600 if (w->active)
601 {
325 xw[w->active - 1] = 0; 602 xw[w->active - 1] = 0;
603 w->active = 0;
604 }
326} 605}
327 606
328void rxvt_display::set_selection_owner (rxvt_term *owner) 607void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
329{ 608{
609 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
610
330 if (selection_owner && selection_owner != owner) 611 if (cur_owner && cur_owner != owner)
331 selection_owner->selection_clear (); 612 {
613 rxvt_term *term = cur_owner;
614 term->selection_clear (clipboard);
615 term->flush ();
616 }
332 617
333 selection_owner = owner; 618 cur_owner = owner;
334} 619}
335 620
336#ifdef USE_XIM 621#ifdef USE_XIM
622
337void rxvt_display::reg (im_watcher *w) 623void rxvt_display::reg (im_watcher *w)
338{ 624{
339 imw.push_back (w); 625 imw.push_back (w);
340} 626}
341 627
… …
350 int l, m; 636 int l, m;
351 637
352 l = strlen (locale); 638 l = strlen (locale);
353 m = strlen (modifiers); 639 m = strlen (modifiers);
354 640
355 if (!(id = (char *)malloc (l + m + 2))) 641 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
356 return 0; 642 return 0;
357 643
358 memcpy (id, locale, l); id[l] = '\n'; 644 memcpy (id, locale, l); id[l] = '\n';
359 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 645 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
360 646
361 rxvt_xim *xim = xims.get (id); 647 rxvt_xim *xim = xims.get (id);
362 648
363 free (id);
364
365 return xim; 649 return xim;
366} 650}
367 651
368void rxvt_display::put_xim (rxvt_xim *xim) 652void rxvt_display::put_xim (rxvt_xim *xim)
369{ 653{
370#if XLIB_IS_RACEFREE 654# if XLIB_IS_RACEFREE
371 xims.put (xim); 655 xims.put (xim);
372#endif 656# endif
373} 657}
658
374#endif 659#endif
375 660
376Atom rxvt_display::atom (const char *name) 661Atom rxvt_display::atom (const char *name)
377{ 662{
378 return XInternAtom (display, name, False); 663 return XInternAtom (dpy, name, False);
379} 664}
380 665
381///////////////////////////////////////////////////////////////////////////// 666/////////////////////////////////////////////////////////////////////////////
382 667
383template class refcache<rxvt_display>; 668template class refcache<rxvt_display>;
384refcache<rxvt_display> displays; 669refcache<rxvt_display> displays;
385 670
386///////////////////////////////////////////////////////////////////////////// 671/////////////////////////////////////////////////////////////////////////////
387 672//
673
674static unsigned int
675insert_component (unsigned int value, unsigned int mask, unsigned int shift)
676{
677 return (value * (mask + 1) >> 16) << shift;
678}
679
388bool 680bool
389rxvt_color::set (rxvt_display *display, Pixel p) 681rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
390{ 682{
683 //TODO: only supports 24 bit
684 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
685
391#if XFT 686#if XFT
392 XColor xc; 687 XRenderPictFormat *format;
393 688
394 xc.pixel = p; 689 // FUCKING Xft gets it wrong, of course, so work around it.
395 if (!XQueryColor (display->display, display->cmap, &xc)) 690 // Transparency users should eat shit and die, and then
396 return false; 691 // XRenderQueryPictIndexValues themselves plenty.
692 if ((screen->visual->c_class == TrueColor)
693 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
694 {
695 // the fun lies in doing everything manually...
696 c.color.red = color.r;
697 c.color.green = color.g;
698 c.color.blue = color.b;
699 c.color.alpha = alpha;
397 700
701 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
702 | insert_component (color.g, format->direct.greenMask, format->direct.green)
703 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
704 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
705
706 return true;
707 }
708 else
709 {
398 XRenderColor d; 710 XRenderColor d;
399 711
400 d.red = xc.red; 712 d.red = color.r;
401 d.green = xc.green; 713 d.green = color.g;
402 d.blue = xc.blue; 714 d.blue = color.b;
403 d.alpha = 0xffff; 715 d.alpha = alpha;
404 716
405 return 717 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
406 XftColorAllocValue (display->display, 718 }
407 display->visual,
408 display->cmap,
409 &d, &c);
410#else 719#else
411 this->p = p; 720 c.red = color.r;
412#endif 721 c.green = color.g;
722 c.blue = color.b;
413 723
724 if (screen->visual->c_class == TrueColor)
725 {
726 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask ))
727 | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask))
728 | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask ));
729
730 return true;
731 }
732 else if (XAllocColor (screen->dpy, screen->cmap, &c))
414 return true; 733 return true;
734 else
735 c.pixel = (color.r + color.g + color.b) > 128*3
736 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
737 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
738#endif
739
740 return false;
415} 741}
416 742
417bool 743bool
418rxvt_color::set (rxvt_display *display, const char *name) 744rxvt_color::set (rxvt_screen *screen, const char *name)
745{
746 rgba c;
747 char eos;
748 int skip;
749
750 c.a = rgba::MAX_CC;
751
752 // parse the nonstandard "[alphapercent]" prefix
753 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
754 {
755 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
756 name += skip;
757 }
758
759 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
760 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
761 {
762 XColor xc;
763
764 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
765 {
766 c.r = xc.red;
767 c.g = xc.green;
768 c.b = xc.blue;
769 }
770 else
771 {
772 c.r = 0xffff;
773 c.g = 0x6969;
774 c.b = 0xb4b4;
775
776 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
777 }
778 }
779
780 return set (screen, c);
781}
782
783bool
784rxvt_color::set (rxvt_screen *screen, const rgba &color)
785{
786 bool got = alloc (screen, color);
787
788#if !ENABLE_MINIMAL
789 int cmap_size = screen->visual->map_entries;
790
791 if (!got
792 && screen->visual->c_class == PseudoColor
793 && cmap_size < 4096)
794 {
795 XColor *colors = new XColor [screen->visual->map_entries];
796
797 for (int i = 0; i < cmap_size; i++)
798 colors [i].pixel = i;
799
800 // many kilobytes transfer per colour, but pseudocolor isn't worth
801 // many extra optimisations.
802 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
803
804 int diff = 0x7fffffffUL;
805 XColor *best = colors;
806
807 for (int i = 0; i < cmap_size; i++)
808 {
809 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
810 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
811 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
812
813 if (d < diff)
814 {
815 diff = d;
816 best = colors + i;
817 }
818 }
819
820 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
821 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
822
823 got = alloc (screen, rgba (best->red, best->green, best->blue));
824
825 delete [] colors;
826 }
827#endif
828
829 return got;
830}
831
832void
833rxvt_color::get (rgba &color)
419{ 834{
420#if XFT 835#if XFT
421 return XftColorAllocName (display->display, display->visual, display->cmap, 836 color.r = c.color.red;
422 name, &c); 837 color.g = c.color.green;
838 color.b = c.color.blue;
839 color.a = c.color.alpha;
423#else 840#else
424 XColor xc; 841 color.r = c.red;
425 842 color.g = c.green;
426 if (XParseColor (display->display, display->cmap, name, &xc)) 843 color.b = c.blue;
427 return set (display, xc.red, xc.green, xc.blue); 844 color.a = rgba::MAX_CC;
428
429 return false;
430#endif 845#endif
431} 846}
432 847
433bool
434rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
435{
436 XColor xc;
437
438 xc.red = cr;
439 xc.green = cg;
440 xc.blue = cb;
441 xc.flags = DoRed | DoGreen | DoBlue;
442
443 if (XAllocColor (display->display, display->cmap, &xc))
444 return set (display, xc.pixel);
445
446 return false;
447}
448
449void 848void
450rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 849rxvt_color::get (XColor &color)
451{ 850{
851 rgba c;
852 get (c);
853
854 color.red = c.r;
855 color.green = c.g;
856 color.blue = c.b;
857 color.pixel = (Pixel)*this;
858}
859
860void
861rxvt_color::free (rxvt_screen *screen)
862{
863 if (screen->visual->c_class == TrueColor)
864 return; // nothing to do
865
452#if XFT 866#if XFT
453 cr = c.color.red; 867 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
454 cg = c.color.green;
455 cb = c.color.blue;
456#else 868#else
457 XColor c; 869 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
458
459 c.pixel = p;
460 XQueryColor (display->display, display->cmap, &c);
461
462 cr = c.red;
463 cg = c.green;
464 cb = c.blue;
465#endif 870#endif
466} 871}
467 872
468void 873void
469rxvt_color::free (rxvt_display *display) 874rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
470{ 875{
471#if XFT 876 rgba c;
472 XftColorFree (display->display, display->visual, display->cmap, &c); 877 get (c);
473#else
474 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
475#endif
476}
477 878
478rxvt_color 879 result.set (
479rxvt_color::fade (rxvt_display *display, int percent) 880 screen,
480{ 881 rgba (
481 percent = 100 - percent; 882 lerp (c.r, to.r, percent),
482 883 lerp (c.g, to.g, percent),
483 unsigned short cr, cg, cb; 884 lerp (c.b, to.b, percent),
484 rxvt_color faded; 885 lerp (c.a, to.a, percent)
485 886 )
486 get (display, cr, cg, cb);
487
488 faded.set (
489 display,
490 cr * percent / 100,
491 cg * percent / 100,
492 cb * percent / 100
493 ); 887 );
494
495 return faded;
496} 888}
497 889
498#define LERP(a,b,p) (a * p + b * (100 - p)) / 100
499
500rxvt_color
501rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
502{
503 percent = 100 - percent;
504
505 unsigned short cr, cg, cb;
506 unsigned short fcr, fcg, fcb;
507 rxvt_color faded;
508
509 get (display, cr, cg, cb);
510 fadeto.get(display, fcr, fcg, fcb);
511
512 faded.set (
513 display,
514 LERP (cr, fcr, percent),
515 LERP (cg, fcg, percent),
516 LERP (cb, fcb, percent)
517 );
518
519 return faded;
520}
521

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