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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.13 by root, Sun Feb 13 11:07:57 2005 UTC vs.
Revision 1.115 by sf-exg, Fri Feb 11 01:24:46 2011 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 if (!scratch_area || w > scratch_w || h > scratch_h)
233 {
234 if (scratch_area)
235 {
236 XFreePixmap (dpy, scratch_area->drawable);
237 delete scratch_area;
238 }
239
240 Pixmap pm = XCreatePixmap (dpy, RootWindowOfScreen (ScreenOfDisplay (dpy, display->screen)),
241 scratch_w = w, scratch_h = h, depth);
242
243 scratch_area = new rxvt_drawable (this, pm);
244 }
245
246 return *scratch_area;
247}
248
249#endif
250
251void
252rxvt_screen::set (rxvt_display *disp)
253{
254 display = disp;
255 dpy = disp->dpy;
256
257 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
258
259 depth = DefaultDepthOfScreen (screen);
260 visual = DefaultVisualOfScreen (screen);
261 cmap = DefaultColormapOfScreen (screen);
262}
263
264void
265rxvt_screen::select_visual (int bitdepth)
266{
267#if XFT
268 XVisualInfo vinfo;
269
270 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
271 {
272 depth = bitdepth;
273 visual = vinfo.visual;
274 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
275 }
276#endif
277}
278
279void
280rxvt_screen::clear ()
281{
282#if XFT
283 if (scratch_area)
284 {
285 XFreePixmap (dpy, scratch_area->drawable);
286 delete scratch_area;
287 }
288#endif
289
290 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
291 XFreeColormap (dpy, cmap);
292}
136 293
137///////////////////////////////////////////////////////////////////////////// 294/////////////////////////////////////////////////////////////////////////////
138 295
139rxvt_display::rxvt_display (const char *id) 296rxvt_display::rxvt_display (const char *id)
140: refcounted (id) 297: refcounted (id)
141, x_ev (this, &rxvt_display::x_cb)
142, selection_owner (0) 298, selection_owner (0)
299, clipboard_owner (0)
143{ 300{
301 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
302 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
144} 303}
145 304
305XrmDatabase
306rxvt_display::get_resources (bool refresh)
307{
308 char *homedir = getenv ("HOME");
309 char fname[1024];
310
311 /*
312 * get resources using the X library function
313 */
314 char *displayResource, *xe;
315 XrmDatabase rdb1, database = 0;
316
317#if !XLIB_ILLEGAL_ACCESS
318 /* work around a bug in XrmSetDatabase where it frees the db, see ref_next */
319 database = XrmGetStringDatabase ("");
320#endif
321
322 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
323 // as opposed to "standard practise", we always read in ~/.Xdefaults
324
325 // 6. System wide per application default file.
326
327 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
328 if ((xe = getenv ("XAPPLRESDIR")))
329 {
330 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
331
332 if ((rdb1 = XrmGetFileDatabase (fname)))
333 XrmMergeDatabases (rdb1, &database);
334 }
335
336 // 5. User's per application default file.
337 // none
338
339 // 4. User's defaults file.
340 if (homedir)
341 {
342 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
343
344 if ((rdb1 = XrmGetFileDatabase (fname)))
345 XrmMergeDatabases (rdb1, &database);
346 }
347
348 /* Get any Xserver defaults */
349 if (refresh)
350 {
351 // fucking xlib keeps a copy of the rm string
352 Atom actual_type;
353 int actual_format;
354 unsigned long nitems, nremaining;
355 char *val = 0;
356
357#if XLIB_ILLEGAL_ACCESS
358 if (dpy->xdefaults)
359 XFree (dpy->xdefaults);
360#endif
361
362 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
363 0L, 100000000L, False,
364 XA_STRING, &actual_type, &actual_format,
365 &nitems, &nremaining,
366 (unsigned char **)&val) == Success
367 && actual_type == XA_STRING
368 && actual_format == 8)
369 displayResource = val;
370 else
371 {
372 displayResource = 0;
373
374 if (val)
375 XFree (val);
376 }
377
378#if XLIB_ILLEGAL_ACCESS
379 dpy->xdefaults = displayResource;
380#endif
381 }
382 else
383 displayResource = XResourceManagerString (dpy);
384
385 if (displayResource)
386 {
387 if ((rdb1 = XrmGetStringDatabase (displayResource)))
388 XrmMergeDatabases (rdb1, &database);
389 }
390
391#if !XLIB_ILLEGAL_ACCESS
392 if (refresh && displayResource)
393 XFree (displayResource);
394#endif
395
396 /* Get screen specific resources */
397 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
398
399 if (displayResource)
400 {
401 if ((rdb1 = XrmGetStringDatabase (displayResource)))
402 /* Merge with screen-independent resources */
403 XrmMergeDatabases (rdb1, &database);
404
405 XFree (displayResource);
406 }
407
408 // 3. User's per host defaults file
409 /* Add in XENVIRONMENT file */
410 if ((xe = getenv ("XENVIRONMENT"))
411 && (rdb1 = XrmGetFileDatabase (xe)))
412 XrmMergeDatabases (rdb1, &database);
413 else if (homedir)
414 {
415 struct utsname un;
416
417 if (!uname (&un))
418 {
419 snprintf (fname, sizeof (fname), "%s/.Xdefaults-%s", homedir, un.nodename);
420
421 if ((rdb1 = XrmGetFileDatabase (fname)))
422 XrmMergeDatabases (rdb1, &database);
423 }
424 }
425
426 return database;
427}
428
146bool rxvt_display::init () 429bool rxvt_display::ref_init ()
147{ 430{
431#ifdef LOCAL_X_IS_UNIX
432 if (id[0] == ':')
433 {
434 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
435 return false;
436 strcpy (val, "unix/");
437 strcat (val, id);
438 dpy = XOpenDisplay (val);
439 }
440 else
441#endif
442 dpy = 0;
443
444 if (!dpy)
148 display = XOpenDisplay (id); 445 dpy = XOpenDisplay (id);
149 446
150 if (!display) 447 if (!dpy)
151 return false; 448 return false;
152 449
153 screen = DefaultScreen (display); 450 screen = DefaultScreen (dpy);
154 root = DefaultRootWindow (display); 451 root = DefaultRootWindow (dpy);
155 visual = DefaultVisual (display, screen);
156 cmap = DefaultColormap (display, screen);
157 depth = DefaultDepth (display, screen);
158 452
159 int fd = XConnectionNumber (display); 453 assert (ARRAY_LENGTH(xa_names) == NUM_XA);
454 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
160 455
161#ifndef NO_SLOW_LINK_SUPPORT 456 XrmSetDatabase (dpy, get_resources (false));
162 // try to detetc wether we have a local connection.
163 // assume unix domains socket == local, everything else not
164 // TODO: might want to check for inet/127.0.0.1
165 is_local = 0;
166 sockaddr_un sa;
167 socklen_t sl = sizeof (sa);
168
169 if (!getsockname (fd, (sockaddr *)&sa, &sl))
170 is_local = sa.sun_family == AF_LOCAL;
171#endif
172 457
173#ifdef POINTER_BLANK 458#ifdef POINTER_BLANK
174 XColor blackcolour; 459 XColor blackcolour;
175 blackcolour.red = 0; 460 blackcolour.red = 0;
176 blackcolour.green = 0; 461 blackcolour.green = 0;
177 blackcolour.blue = 0; 462 blackcolour.blue = 0;
178 Font f = XLoadFont (display, "fixed"); 463 Font f = XLoadFont (dpy, "fixed");
179 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 464 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
180 &blackcolour, &blackcolour); 465 &blackcolour, &blackcolour);
181 XUnloadFont (display, f); 466 XUnloadFont (dpy, f);
182#endif 467#endif
183 468
184#ifdef PREFER_24BIT 469 int fd = XConnectionNumber (dpy);
185 /*
186 * If depth is not 24, look for a 24bit visual.
187 */
188 if (depth != 24)
189 {
190 XVisualInfo vinfo;
191 470
192 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo)) 471 // try to detect whether we have a local connection.
193 { 472 // assume unix domain socket == local, everything else not
194 depth = 24; 473 // TODO: might want to check for inet/127.0.0.1
195 visual = vinfo.visual; 474 is_local = 0;
196 cmap = XCreateColormap (display, 475 sockaddr_un sa;
197 RootWindow (display, screen), 476 socklen_t sl = sizeof (sa);
198 visual, AllocNone);
199 }
200 }
201#endif
202 477
478 if (!getsockname (fd, (sockaddr *)&sa, &sl))
479 is_local = sa.sun_family == AF_UNIX;
480
481 flush_ev.start ();
203 x_ev.start (fd, EVENT_READ); 482 x_ev.start (fd, ev::READ);
204 fcntl (fd, F_SETFD, FD_CLOEXEC); 483 fcntl (fd, F_SETFD, FD_CLOEXEC);
205 484
206 XSelectInput (display, root, PropertyChangeMask); 485 XSelectInput (dpy, root, PropertyChangeMask);
207#ifdef USE_XIM
208 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
209#endif
210 486
211 flush (); 487 flush ();
212 488
213 return true; 489 return true;
214} 490}
215 491
492void
493rxvt_display::ref_next ()
494{
495 // TODO: somehow check whether the database files/resources changed
496 // before affording re-loading/parsing
497 XrmDestroyDatabase (XrmGetDatabase (dpy));
498#if XLIB_ILLEGAL_ACCESS
499 /* work around a bug in XrmSetDatabase where it frees the db */
500 dpy->db = 0;
501#endif
502 XrmSetDatabase (dpy, get_resources (true));
503}
504
216rxvt_display::~rxvt_display () 505rxvt_display::~rxvt_display ()
217{ 506{
507 if (!dpy)
508 return;
509
510#ifdef POINTER_BLANK
511 XFreeCursor (dpy, blank_cursor);
512#endif
218 x_ev.stop (); 513 x_ev.stop ();
514 flush_ev.stop ();
219#ifdef USE_XIM 515#ifdef USE_XIM
220 xims.clear (); 516 xims.clear ();
221#endif 517#endif
222 518 XrmDestroyDatabase (XrmGetDatabase (dpy));
223 if (display)
224 XCloseDisplay (display); 519 XCloseDisplay (dpy);
225} 520}
226 521
227#ifdef USE_XIM 522#ifdef USE_XIM
228void rxvt_display::im_change_cb () 523void rxvt_display::im_change_cb ()
229{ 524{
… …
237 // registers, as xlib crashes due to a race otherwise. 532 // registers, as xlib crashes due to a race otherwise.
238 Atom actual_type, *atoms; 533 Atom actual_type, *atoms;
239 int actual_format; 534 int actual_format;
240 unsigned long nitems, bytes_after; 535 unsigned long nitems, bytes_after;
241 536
242 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 537 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
243 False, XA_ATOM, &actual_type, &actual_format, 538 False, XA_ATOM, &actual_type, &actual_format,
244 &nitems, &bytes_after, (unsigned char **)&atoms) 539 &nitems, &bytes_after, (unsigned char **)&atoms)
245 != Success ) 540 != Success)
246 return; 541 return;
247 542
248 if (actual_type == XA_ATOM && actual_format == 32) 543 if (actual_type == XA_ATOM && actual_format == 32)
249 for (int i = 0; i < nitems; i++) 544 for (int i = 0; i < nitems; i++)
250 if (XGetSelectionOwner (display, atoms[i])) 545 if (XGetSelectionOwner (dpy, atoms[i]))
251 { 546 {
252 im_change_cb (); 547 im_change_cb ();
253 break; 548 break;
254 } 549 }
255 550
256 XFree (atoms); 551 XFree (atoms);
257} 552}
258#endif 553#endif
259 554
260void rxvt_display::x_cb (io_watcher &w, short revents) 555void rxvt_display::x_cb (ev::io &w, int revents)
261{ 556{
557 flush_ev.start ();
558}
559
560void rxvt_display::flush_cb (ev::prepare &w, int revents)
561{
562 while (XEventsQueued (dpy, QueuedAfterFlush))
262 do 563 do
263 { 564 {
264 XEvent xev; 565 XEvent xev;
265 XNextEvent (display, &xev); 566 XNextEvent (dpy, &xev);
266 567
267#ifdef USE_XIM 568#ifdef USE_XIM
268 if (!XFilterEvent (&xev, None)) 569 if (!XFilterEvent (&xev, None))
269 { 570 {
270
271 if (xev.type == PropertyNotify 571 if (xev.type == PropertyNotify
272 && xev.xany.window == root 572 && xev.xany.window == root
273 && xev.xproperty.atom == xa_xim_servers) 573 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
274 im_change_check (); 574 im_change_check ();
275#endif 575#endif
576 if (xev.type == MappingNotify)
577 XRefreshKeyboardMapping (&xev.xmapping);
578
276 for (int i = xw.size (); i--; ) 579 for (int i = xw.size (); i--; )
277 { 580 {
278 if (!xw[i]) 581 if (!xw[i])
279 xw.erase_unordered (i); 582 xw.erase_unordered (i);
280 else if (xw[i]->window == xev.xany.window) 583 else if (xw[i]->window == xev.xany.window)
281 xw[i]->call (xev); 584 xw[i]->call (xev);
282 } 585 }
283#ifdef USE_XIM 586#ifdef USE_XIM
284 } 587 }
285#endif 588#endif
286 } 589 }
287 while (XEventsQueued (display, QueuedAlready)); 590 while (XEventsQueued (dpy, QueuedAlready));
288 591
289 XFlush (display); 592 w.stop ();
290}
291
292void rxvt_display::flush ()
293{
294 if (XEventsQueued (display, QueuedAlready))
295 x_cb (x_ev, EVENT_READ);
296
297 XFlush (display);
298} 593}
299 594
300void rxvt_display::reg (xevent_watcher *w) 595void rxvt_display::reg (xevent_watcher *w)
301{ 596{
597 if (!w->active)
598 {
302 xw.push_back (w); 599 xw.push_back (w);
303 w->active = xw.size (); 600 w->active = xw.size ();
601 }
304} 602}
305 603
306void rxvt_display::unreg (xevent_watcher *w) 604void rxvt_display::unreg (xevent_watcher *w)
307{ 605{
308 if (w->active) 606 if (w->active)
607 {
309 xw[w->active - 1] = 0; 608 xw[w->active - 1] = 0;
609 w->active = 0;
610 }
310} 611}
311 612
312void rxvt_display::set_selection_owner (rxvt_term *owner) 613void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
313{ 614{
615 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
616
314 if (selection_owner && selection_owner != owner) 617 if (cur_owner && cur_owner != owner)
315 selection_owner->selection_clear (); 618 {
619 rxvt_term *term = cur_owner;
620 term->selection_clear (clipboard);
621 term->flush ();
622 }
316 623
317 selection_owner = owner; 624 cur_owner = owner;
318} 625}
319 626
320#ifdef USE_XIM 627#ifdef USE_XIM
628
321void rxvt_display::reg (im_watcher *w) 629void rxvt_display::reg (im_watcher *w)
322{ 630{
323 imw.push_back (w); 631 imw.push_back (w);
324} 632}
325 633
… …
334 int l, m; 642 int l, m;
335 643
336 l = strlen (locale); 644 l = strlen (locale);
337 m = strlen (modifiers); 645 m = strlen (modifiers);
338 646
339 if (!(id = (char *)malloc (l + m + 2))) 647 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
340 return 0; 648 return 0;
341 649
342 memcpy (id, locale, l); id[l] = '\n'; 650 memcpy (id, locale, l); id[l] = '\n';
343 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 651 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
344 652
345 rxvt_xim *xim = xims.get (id); 653 rxvt_xim *xim = xims.get (id);
346 654
347 free (id);
348
349 return xim; 655 return xim;
350} 656}
351 657
352void rxvt_display::put_xim (rxvt_xim *xim) 658void rxvt_display::put_xim (rxvt_xim *xim)
353{ 659{
354#if XLIB_IS_RACEFREE 660# if XLIB_IS_RACEFREE
355 xims.put (xim); 661 xims.put (xim);
356#endif 662# endif
357} 663}
664
358#endif 665#endif
359 666
360Atom rxvt_display::atom (const char *name) 667Atom rxvt_display::atom (const char *name)
361{ 668{
362 return XInternAtom (display, name, False); 669 return XInternAtom (dpy, name, False);
363} 670}
364 671
365///////////////////////////////////////////////////////////////////////////// 672/////////////////////////////////////////////////////////////////////////////
366 673
367template class refcache<rxvt_display>; 674template class refcache<rxvt_display>;
368refcache<rxvt_display> displays; 675refcache<rxvt_display> displays;
369 676
370///////////////////////////////////////////////////////////////////////////// 677/////////////////////////////////////////////////////////////////////////////
371 678//
679
680static unsigned int
681insert_component (unsigned int value, unsigned int mask, unsigned int shift)
682{
683 return (value * (mask + 1) >> 16) << shift;
684}
685
372bool 686bool
373rxvt_color::set (rxvt_display *display, Pixel p) 687rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
374{ 688{
689 //TODO: only supports 24 bit
690 int alpha = color.a >= 0xff00 ? 0xffff : color.a;
691
375#if XFT 692#if XFT
376 XColor xc; 693 XRenderPictFormat *format;
377 694
378 xc.pixel = p; 695 // FUCKING Xft gets it wrong, of course, so work around it.
379 if (!XQueryColor (display->display, display->cmap, &xc)) 696 // Transparency users should eat shit and die, and then
380 return false; 697 // XRenderQueryPictIndexValues themselves plenty.
698 if ((screen->visual->c_class == TrueColor)
699 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
700 {
701 // the fun lies in doing everything manually...
702 c.color.red = color.r;
703 c.color.green = color.g;
704 c.color.blue = color.b;
705 c.color.alpha = alpha;
381 706
707 c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
708 | insert_component (color.g, format->direct.greenMask, format->direct.green)
709 | insert_component (color.b, format->direct.blueMask , format->direct.blue )
710 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
711
712 return true;
713 }
714 else
715 {
382 XRenderColor d; 716 XRenderColor d;
383 717
384 d.red = xc.red; 718 d.red = color.r;
385 d.green = xc.green; 719 d.green = color.g;
386 d.blue = xc.blue; 720 d.blue = color.b;
387 d.alpha = 0xffff; 721 d.alpha = alpha;
388 722
389 return 723 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
390 XftColorAllocValue (display->display, 724 }
391 display->visual,
392 display->cmap,
393 &d, &c);
394#else 725#else
395 this->p = p; 726 c.red = color.r;
396#endif 727 c.green = color.g;
728 c.blue = color.b;
397 729
730 if (screen->visual->c_class == TrueColor)
731 {
732 c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask ))
733 | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask))
734 | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask ));
735
736 return true;
737 }
738 else if (XAllocColor (screen->dpy, screen->cmap, &c))
398 return true; 739 return true;
740 else
741 c.pixel = (color.r + color.g + color.b) > 128*3
742 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
743 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
744#endif
745
746 return false;
399} 747}
400 748
401bool 749bool
402rxvt_color::set (rxvt_display *display, const char *name) 750rxvt_color::set (rxvt_screen *screen, const char *name)
751{
752 rgba c;
753 char eos;
754 int skip;
755
756 c.a = rgba::MAX_CC;
757
758 // parse the nonstandard "[alphapercent]" prefix
759 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
760 {
761 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
762 name += skip;
763 }
764
765 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
766 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
767 {
768 XColor xc;
769
770 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
771 {
772 c.r = xc.red;
773 c.g = xc.green;
774 c.b = xc.blue;
775 }
776 else
777 {
778 c.r = 0xffff;
779 c.g = 0x6969;
780 c.b = 0xb4b4;
781
782 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
783 }
784 }
785
786 return set (screen, c);
787}
788
789bool
790rxvt_color::set (rxvt_screen *screen, const rgba &color)
791{
792 bool got = alloc (screen, color);
793
794#if !ENABLE_MINIMAL
795 int cmap_size = screen->visual->map_entries;
796
797 if (!got
798 && screen->visual->c_class == PseudoColor
799 && cmap_size < 4096)
800 {
801 XColor *colors = new XColor [screen->visual->map_entries];
802
803 for (int i = 0; i < cmap_size; i++)
804 colors [i].pixel = i;
805
806 // many kilobytes transfer per colour, but pseudocolor isn't worth
807 // many extra optimisations.
808 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
809
810 int diff = 0x7fffffffUL;
811 XColor *best = colors;
812
813 for (int i = 0; i < cmap_size; i++)
814 {
815 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
816 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
817 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
818
819 if (d < diff)
820 {
821 diff = d;
822 best = colors + i;
823 }
824 }
825
826 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
827 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
828
829 got = alloc (screen, rgba (best->red, best->green, best->blue));
830
831 delete [] colors;
832 }
833#endif
834
835 return got;
836}
837
838void
839rxvt_color::get (rgba &color)
403{ 840{
404#if XFT 841#if XFT
405 return XftColorAllocName (display->display, display->visual, display->cmap, 842 color.r = c.color.red;
406 name, &c); 843 color.g = c.color.green;
844 color.b = c.color.blue;
845 color.a = c.color.alpha;
407#else 846#else
408 XColor xc; 847 color.r = c.red;
848 color.g = c.green;
849 color.b = c.blue;
850 color.a = rgba::MAX_CC;
851#endif
852}
409 853
410 if (XParseColor (display->display, display->cmap, name, &xc)) 854void
411 return set (display, xc.red, xc.green, xc.blue); 855rxvt_color::get (XColor &color)
856{
857 rgba c;
858 get (c);
859
860 color.red = c.r;
861 color.green = c.g;
862 color.blue = c.b;
863 color.pixel = (Pixel)*this;
864}
865
866void
867rxvt_color::free (rxvt_screen *screen)
868{
869 if (screen->visual->c_class == TrueColor)
870 return; // nothing to do
871
872#if XFT
873 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
874#else
875 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
876#endif
877}
878
879void
880rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
881{
882 rgba c;
883 get (c);
884
885 result.set (
886 screen,
887 rgba (
888 lerp (c.r, to.r, percent),
889 lerp (c.g, to.g, percent),
890 lerp (c.b, to.b, percent),
891 lerp (c.a, to.a, percent)
892 )
893 );
894}
895
896rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, sel_cb cb, void *ptr)
897: display (disp), request_time (tm), request_win (win), request_prop (prop), request_cb (cb), user_data (ptr)
898{
899 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
900
901 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
902 timer_ev.repeat = 10.;
903 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
904
905 incr_buf = 0;
906 incr_buf_size = incr_buf_fill = 0;
907 selection_wait = Sel_normal;
908
909#if X_HAVE_UTF8_STRING
910 selection_type = Sel_UTF8String;
911 if (request (display->xa[XA_UTF8_STRING], selnum))
912 return;
913#else
914 selection_type = Sel_CompoundText;
915 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
916 return;
917#endif
918
919 // fallback to CUT_BUFFER0 if the requested property has no owner
920 handle_selection (display->root, XA_CUT_BUFFER0, false);
921}
922
923rxvt_selection::~rxvt_selection ()
924{
925 stop ();
926}
927
928void
929rxvt_selection::stop ()
930{
931 free (incr_buf);
932 incr_buf = 0;
933 timer_ev.stop ();
934 x_ev.stop (display);
935}
936
937bool
938rxvt_selection::request (Atom target, int selnum)
939{
940 Atom sel;
941
942 selection_type |= selnum;
943
944 if (selnum == Sel_Primary)
945 sel = XA_PRIMARY;
946 else if (selnum == Sel_Secondary)
947 sel = XA_SECONDARY;
948 else
949 sel = display->xa[XA_CLIPBOARD];
950
951 if (XGetSelectionOwner (display->dpy, sel) != None)
952 {
953 XConvertSelection (display->dpy, sel, target, request_prop,
954 request_win, request_time);
955 x_ev.start (display, request_win);
956 timer_ev.again ();
957 return true;
958 }
412 959
413 return false; 960 return false;
414#endif
415} 961}
416 962
417bool
418rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
419{
420 XColor xc;
421
422 xc.red = cr;
423 xc.green = cg;
424 xc.blue = cb;
425 xc.flags = DoRed | DoGreen | DoBlue;
426
427 if (XAllocColor (display->display, display->cmap, &xc))
428 return set (display, xc.pixel);
429
430 return false;
431}
432
433void 963void
434rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 964rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
435{ 965{
436#if XFT 966 Display *dpy = display->dpy;
437 cr = c.color.red; 967 char *data = 0;
438 cg = c.color.green; 968 unsigned int data_len = 0;
439 cb = c.color.blue; 969 unsigned long bytes_after;
440#else 970 XTextProperty ct;
441 XColor c;
442 971
443 c.pixel = p; 972 // check for failed XConvertSelection
444 XQueryColor (display->display, display->cmap, &c); 973 if (prop == None)
974 {
975 bool error = true;
976 int selnum = selection_type & Sel_whereMask;
445 977
446 cr = c.red; 978 if (selection_type & Sel_CompoundText)
447 cg = c.green; 979 {
448 cb = c.blue; 980 selection_type = 0;
449#endif 981 error = !request (XA_STRING, selnum);
450} 982 }
451 983
984 if (selection_type & Sel_UTF8String)
985 {
986 selection_type = Sel_CompoundText;
987 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
988 }
989
990 if (error)
991 {
992 ct.value = 0;
993 goto bailout;
994 }
995
996 return;
997 }
998
999 // length == (2^31 - 1) / 4, as gdk
1000 if (XGetWindowProperty (dpy, win, prop,
1001 0, 0x1fffffff,
1002 delete_prop, AnyPropertyType,
1003 &ct.encoding, &ct.format,
1004 &ct.nitems, &bytes_after,
1005 &ct.value) != Success)
1006 {
1007 ct.value = 0;
1008 goto bailout;
1009 }
1010
1011 if (ct.encoding == None)
1012 goto bailout;
1013
1014 if (ct.value == 0)
1015 goto bailout;
1016
1017 if (ct.encoding == display->xa[XA_INCR])
1018 {
1019 // INCR selection, start handshake
1020 if (!delete_prop)
1021 XDeleteProperty (dpy, win, prop);
1022
1023 selection_wait = Sel_incr;
1024 timer_ev.again ();
1025
1026 goto bailout;
1027 }
1028
1029 if (ct.nitems == 0)
1030 {
1031 if (selection_wait == Sel_incr)
1032 {
1033 XFree (ct.value);
1034
1035 // finally complete, now paste the whole thing
1036 selection_wait = Sel_normal;
1037 ct.value = (unsigned char *)incr_buf;
1038 ct.nitems = incr_buf_fill;
1039 incr_buf = 0;
1040 timer_ev.stop ();
1041 }
1042 else
1043 {
1044 // avoid recursion
1045 if (win != display->root || prop != XA_CUT_BUFFER0)
1046 {
1047 XFree (ct.value);
1048
1049 // fallback to CUT_BUFFER0 if the requested property
1050 // has an owner but is empty
1051 handle_selection (display->root, XA_CUT_BUFFER0, False);
1052 return;
1053 }
1054
1055 goto bailout;
1056 }
1057 }
1058 else if (selection_wait == Sel_incr)
1059 {
1060 timer_ev.again ();
1061
1062 while (incr_buf_fill + ct.nitems > incr_buf_size)
1063 {
1064 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1065 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1066 }
1067
1068 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1069 incr_buf_fill += ct.nitems;
1070
1071 goto bailout;
1072 }
1073
1074 char **cl;
1075 int cr;
1076
1077 // we honour the first item only
1078
1079#if !ENABLE_MINIMAL
1080 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1081 // so recode it manually
1082 if (ct.encoding == display->xa[XA_UTF8_STRING])
1083 {
1084 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1085 data = rxvt_wcstombs (w);
1086 free (w);
1087 }
1088 else
1089#endif
1090 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1091 && cl)
1092 {
1093 data = strdup (cl[0]);
1094 XFreeStringList (cl);
1095 }
1096 else
1097 {
1098 // paste raw
1099 data = strdup ((const char *)ct.value);
1100 }
1101
1102 data_len = strlen (data);
1103
1104bailout:
1105 XFree (ct.value);
1106
1107 if (selection_wait == Sel_normal)
1108 {
1109 stop ();
1110 request_cb (data, data_len, this, user_data);
1111 free (data);
1112 }
1113}
1114
452void 1115void
453rxvt_color::free (rxvt_display *display) 1116rxvt_selection::timer_cb (ev::timer &w, int revents)
454{ 1117{
455#if XFT 1118 if (selection_wait == Sel_incr)
456 XftColorFree (display->display, display->visual, display->cmap, &c); 1119 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
457#else
458 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
459#endif
460}
461 1120
462rxvt_color 1121 stop ();
463rxvt_color::fade (rxvt_display *display, int percent) 1122 request_cb (NULL, 0, this, user_data);
464{
465 unsigned short cr, cg, cb;
466 rxvt_color faded;
467
468 get (display, cr, cg, cb);
469 faded.set (display,
470 cr * percent / 100,
471 cg * percent / 100,
472 cb * percent / 100);
473
474 return faded;
475} 1123}
476 1124
1125void
1126rxvt_selection::x_cb (XEvent &xev)
1127{
1128 switch (xev.type)
1129 {
1130 case PropertyNotify:
1131 if (selection_wait == Sel_incr
1132 && xev.xproperty.atom == request_prop
1133 && xev.xproperty.state == PropertyNewValue)
1134 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1135 break;
1136
1137 case SelectionNotify:
1138 if (selection_wait == Sel_normal
1139 && xev.xselection.time == request_time
1140 && xev.xselection.property == request_prop)
1141 {
1142 timer_ev.stop ();
1143 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1144 }
1145 break;
1146 }
1147}

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