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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.16 by root, Wed Jul 13 00:51:47 2005 UTC vs.
Revision 1.146 by root, Sun Dec 14 04:52:10 2014 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) 2003-2011 Marc Lehmann <schmorp@schmorp.de>
7 * Copyright (c) 2011 Emanuele Giaquinta <e.giaquinta@glauco.it>
7 * 8 *
8 * This program is free software; you can redistribute it and/or modify 9 * 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 10 * 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 11 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version. 12 * (at your option) any later version.
12 * 13 *
13 * This program is distributed in the hope that it will be useful, 14 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
22 23
23#include "../config.h" 24#include "../config.h"
24#include <rxvt.h> 25#include <rxvt.h>
25#include <rxvttoolkit.h> 26#include <rxvttoolkit.h>
26 27
28#include <stdlib.h>
29
27#include <unistd.h> 30#include <unistd.h>
28#include <fcntl.h> 31#include <fcntl.h>
29 32
30#ifndef NO_SLOW_LINK_SUPPORT 33#include <sys/utsname.h>
31# include <sys/socket.h> 34#include <sys/socket.h>
32# include <sys/un.h> 35#include <sys/un.h>
36
37#if XFT
38# include <X11/extensions/Xrender.h>
39#endif
40
41static const char *const xa_names[] =
42{
43 "TEXT",
44 "COMPOUND_TEXT",
45 "UTF8_STRING",
46 "MULTIPLE",
47 "TARGETS",
48 "TIMESTAMP",
49 "VT_SELECTION",
50 "INCR",
51 "WM_PROTOCOLS",
52 "WM_DELETE_WINDOW",
53 "CLIPBOARD",
54 "AVERAGE_WIDTH",
55 "WEIGHT_NAME",
56 "SLANT",
57 "CHARSET_REGISTRY",
58 "CHARSET_ENCODING",
59#if ENABLE_FRILLS
60 "_MOTIF_WM_HINTS",
61#endif
62#if ENABLE_EWMH
63 "_NET_WM_PID",
64 "_NET_WM_NAME",
65 "_NET_WM_ICON_NAME",
66 "_NET_WM_PING",
67 "_NET_WM_ICON",
68#endif
69#if USE_XIM
70 "WM_LOCALE_NAME",
71 "XIM_SERVERS",
72#endif
73#if HAVE_IMG || ENABLE_PERL
74 "_XROOTPMAP_ID",
75 "ESETROOT_PMAP_ID",
76#endif
77#if ENABLE_XEMBED
78 "_XEMBED",
79 "_XEMBED_INFO",
80#endif
81#if !ENABLE_MINIMAL
82 "SCREEN_RESOURCES",
83 "XDCCC_LINEAR_RGB_CORRECTION",
84 "XDCCC_LINEAR_RGB_MATRICES",
85 "WM_COLORMAP_WINDOWS",
86 "WM_STATE",
87 "cursor",
88# if USE_XIM
89 "TRANSPORT",
90 "LOCALES",
91 "_XIM_PROTOCOL",
92 "_XIM_XCONNECT",
93 "_XIM_MOREDATA",
33#endif 94# endif
95#endif
96};
97
98/////////////////////////////////////////////////////////////////////////////
34 99
35refcounted::refcounted (const char *id) 100refcounted::refcounted (const char *id)
36{ 101{
37 this->id = strdup (id); 102 this->id = strdup (id);
38} 103}
… …
47{ 112{
48 for (T **i = this->begin (); i < this->end (); ++i) 113 for (T **i = this->begin (); i < this->end (); ++i)
49 { 114 {
50 if (!strcmp (id, (*i)->id)) 115 if (!strcmp (id, (*i)->id))
51 { 116 {
52 (*i)->referenced++; 117 ++(*i)->referenced;
118 (*i)->ref_next ();
53 return *i; 119 return *i;
54 } 120 }
55 } 121 }
56 122
57 T *obj = new T (id); 123 T *obj = new T (id);
58 124
59 obj->referenced = 1;
60
61 if (obj && obj->init ()) 125 if (obj && obj->ref_init ())
62 { 126 {
127 obj->referenced = 1;
63 this->push_back (obj); 128 this->push_back (obj);
64 return obj; 129 return obj;
65 } 130 }
66 else 131 else
67 { 132 {
… …
90 put (*this->begin ()); 155 put (*this->begin ());
91} 156}
92 157
93///////////////////////////////////////////////////////////////////////////// 158/////////////////////////////////////////////////////////////////////////////
94 159
95#ifdef USE_XIM 160#if USE_XIM
161
96static void 162static void
97#if XIMCB_PROTO_BROKEN 163#if XIMCB_PROTO_BROKEN
98im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) 164im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3)
99#else 165#else
100im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3) 166im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3)
… …
107 173
108 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim)); 174 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim));
109 display->im_change_cb (); 175 display->im_change_cb ();
110} 176}
111 177
178bool
112bool rxvt_xim::init () 179rxvt_xim::ref_init ()
113{ 180{
114 display = GET_R->display; //HACK: TODO 181 display = GET_R->display; //HACK: TODO
115 182
116 xim = XOpenIM (display->display, NULL, NULL, NULL); 183 xim = XOpenIM (display->dpy, 0, 0, 0);
117 184
118 if (!xim) 185 if (!xim)
119 return false; 186 return false;
120 187
121 XIMCallback ximcallback; 188 XIMCallback ximcallback;
122 ximcallback.client_data = (XPointer)this; 189 ximcallback.client_data = (XPointer)this;
123 ximcallback.callback = im_destroy_cb; 190 ximcallback.callback = im_destroy_cb;
124 191
125 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 192 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
126 193
127 return true; 194 return true;
128} 195}
129 196
130rxvt_xim::~rxvt_xim () 197rxvt_xim::~rxvt_xim ()
131{ 198{
132 if (xim) 199 if (xim)
133 XCloseIM (xim); 200 XCloseIM (xim);
134} 201}
202
135#endif 203#endif
204
205/////////////////////////////////////////////////////////////////////////////
206
207#if XFT
208rxvt_drawable::~rxvt_drawable ()
209{
210 if (xftdrawable)
211 XftDrawDestroy (xftdrawable);
212}
213
214rxvt_drawable::operator XftDraw *()
215{
216 if (!xftdrawable)
217 xftdrawable = XftDrawCreate (screen->dpy, drawable, screen->visual, screen->cmap);
218
219 return xftdrawable;
220}
221#endif
222
223/////////////////////////////////////////////////////////////////////////////
224
225#if XFT
226
227// not strictly necessary as it is only used with superclass of zero_initialised
228rxvt_screen::rxvt_screen ()
229: scratch_area (0)
230{
231}
232
233rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h)
234{
235 if (!scratch_area || w > scratch_w || h > scratch_h)
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
267#if ENABLE_FRILLS
268
269void
270rxvt_screen::select_visual (int id)
271{
272 XVisualInfo vinfo;
273 vinfo.visualid = id;
274 int n;
275
276 if (XVisualInfo *vi = XGetVisualInfo (dpy, VisualIDMask, &vinfo, &n))
277 {
278 depth = vi->depth;
279 visual = vi->visual;
280
281 XFree (vi);
282
283 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
284 }
285 else
286 rxvt_warn ("no visual found for requested id 0x%02x, using default visual.\n", id);
287}
288
289void
290rxvt_screen::select_depth (int bitdepth)
291{
292 XVisualInfo vinfo;
293
294 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
295 select_visual (vinfo.visualid);
296 else
297 rxvt_warn ("no visual found for requested depth %d, using default visual.\n", bitdepth);
298}
299
300#endif
301
302void
303rxvt_screen::clear ()
304{
305#if XFT
306 if (scratch_area)
307 {
308 XFreePixmap (dpy, scratch_area->drawable);
309 delete scratch_area;
310 }
311#endif
312
313 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
314 XFreeColormap (dpy, cmap);
315}
136 316
137///////////////////////////////////////////////////////////////////////////// 317/////////////////////////////////////////////////////////////////////////////
138 318
139rxvt_display::rxvt_display (const char *id) 319rxvt_display::rxvt_display (const char *id)
140: refcounted (id) 320: refcounted (id)
141, x_ev (this, &rxvt_display::x_cb)
142, selection_owner (0) 321, selection_owner (0)
322, clipboard_owner (0)
143{ 323{
324 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
325 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
144} 326}
145 327
328XrmDatabase
329rxvt_display::get_resources (bool refresh)
330{
331 char *homedir = getenv ("HOME");
332 char fname[1024];
333
334 /*
335 * get resources using the X library function
336 */
337 char *displayResource, *xe;
338 XrmDatabase rdb1, database = 0;
339
340#if !XLIB_ILLEGAL_ACCESS
341 /* work around a bug in XrmSetDatabase where it frees the db, see ref_next */
342 database = XrmGetStringDatabase ("");
343#endif
344
345 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
346 // as opposed to "standard practise", we always read in ~/.Xdefaults
347
348 // 6. System wide per application default file.
349
350 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
351 if ((xe = getenv ("XAPPLRESDIR")))
352 {
353 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
354
355 if ((rdb1 = XrmGetFileDatabase (fname)))
356 XrmMergeDatabases (rdb1, &database);
357 }
358
359 // 5. User's per application default file.
360 // none
361
362 // 4. User's defaults file.
363 if (homedir)
364 {
365 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
366
367 if ((rdb1 = XrmGetFileDatabase (fname)))
368 XrmMergeDatabases (rdb1, &database);
369 }
370
371 /* Get any Xserver defaults */
372 if (refresh)
373 {
374 // fucking xlib keeps a copy of the rm string
375 Atom actual_type;
376 int actual_format;
377 unsigned long nitems, nremaining;
378 char *val = 0;
379
380#if XLIB_ILLEGAL_ACCESS
381 if (dpy->xdefaults)
382 XFree (dpy->xdefaults);
383#endif
384
385 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
386 0L, 100000000L, False,
387 XA_STRING, &actual_type, &actual_format,
388 &nitems, &nremaining,
389 (unsigned char **)&val) == Success
390 && actual_type == XA_STRING
391 && actual_format == 8)
392 displayResource = val;
393 else
394 {
395 displayResource = 0;
396
397 if (val)
398 XFree (val);
399 }
400
401#if XLIB_ILLEGAL_ACCESS
402 dpy->xdefaults = displayResource;
403#endif
404 }
405 else
406 displayResource = XResourceManagerString (dpy);
407
408 if (displayResource)
409 {
410 if ((rdb1 = XrmGetStringDatabase (displayResource)))
411 XrmMergeDatabases (rdb1, &database);
412 }
413
414#if !XLIB_ILLEGAL_ACCESS
415 if (refresh && displayResource)
416 XFree (displayResource);
417#endif
418
419 /* Get screen specific resources */
420 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
421
422 if (displayResource)
423 {
424 if ((rdb1 = XrmGetStringDatabase (displayResource)))
425 /* Merge with screen-independent resources */
426 XrmMergeDatabases (rdb1, &database);
427
428 XFree (displayResource);
429 }
430
431 // 3. User's per host defaults file
432 /* Add in XENVIRONMENT file */
433 if ((xe = getenv ("XENVIRONMENT"))
434 && (rdb1 = XrmGetFileDatabase (xe)))
435 XrmMergeDatabases (rdb1, &database);
436 else if (homedir)
437 {
438 struct utsname un;
439
440 if (!uname (&un))
441 {
442 snprintf (fname, sizeof (fname), "%s/.Xdefaults-%s", homedir, un.nodename);
443
444 if ((rdb1 = XrmGetFileDatabase (fname)))
445 XrmMergeDatabases (rdb1, &database);
446 }
447 }
448
449 return database;
450}
451
146bool rxvt_display::init () 452bool rxvt_display::ref_init ()
147{ 453{
148#ifdef LOCAL_X_IS_UNIX 454#ifdef LOCAL_X_IS_UNIX
149 if (id[0] == ':') 455 if (id[0] == ':')
150 { 456 {
151 val = rxvt_malloc (5 + strlen (id) + 1); 457 char *val = rxvt_temp_buf<char> (5 + strlen (id) + 1);
458
152 strcpy (val, "unix/"); 459 strcpy (val, "unix/");
153 strcat (val, id); 460 strcat (val, id);
461
154 display = XOpenDisplay (val); 462 dpy = XOpenDisplay (val);
155 free (val);
156 } 463 }
157 else 464 else
158#endif 465#endif
159 display = 0; 466 dpy = 0;
160 467
161 if (!display) 468 if (!dpy)
162 display = XOpenDisplay (id); 469 dpy = XOpenDisplay (id);
163 470
164 if (!display) 471 if (!dpy)
165 return false; 472 return false;
166 473
167 screen = DefaultScreen (display); 474 screen = DefaultScreen (dpy);
168 root = DefaultRootWindow (display); 475 root = DefaultRootWindow (dpy);
169 visual = DefaultVisual (display, screen);
170 cmap = DefaultColormap (display, screen);
171 depth = DefaultDepth (display, screen);
172 476
173 int fd = XConnectionNumber (display); 477 assert (ecb_array_length (xa_names) == NUM_XA);
478 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
174 479
175#ifndef NO_SLOW_LINK_SUPPORT 480 XrmSetDatabase (dpy, get_resources (false));
176 // try to detetc 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
186 481
187#ifdef POINTER_BLANK 482#ifdef POINTER_BLANK
188 XColor blackcolour; 483 XColor blackcolour;
189 blackcolour.red = 0; 484 blackcolour.red = 0;
190 blackcolour.green = 0; 485 blackcolour.green = 0;
191 blackcolour.blue = 0; 486 blackcolour.blue = 0;
192 Font f = XLoadFont (display, "fixed"); 487 Font f = XLoadFont (dpy, "fixed");
193 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 488 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
194 &blackcolour, &blackcolour); 489 &blackcolour, &blackcolour);
195 XUnloadFont (display, f); 490 XUnloadFont (dpy, f);
196#endif 491#endif
197 492
198#ifdef PREFER_24BIT 493 flags = 0;
199 /* 494#if XRENDER
200 * If depth is not 24, look for a 24bit visual. 495 int major, minor;
201 */ 496 if (XRenderQueryVersion (dpy, &major, &minor))
202 if (depth != 24) 497 if (major > 0 || (major == 0 && minor >= 11))
203 { 498 {
204 XVisualInfo vinfo; 499 flags |= DISPLAY_HAS_RENDER;
205 500
206 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo)) 501 if (XFilters *filters = XRenderQueryFilters (dpy, root))
207 { 502 {
208 depth = 24; 503 for (int i = 0; i < filters->nfilter; i++)
209 visual = vinfo.visual; 504 if (!strcmp (filters->filter [i], FilterConvolution))
210 cmap = XCreateColormap (display, 505 flags |= DISPLAY_HAS_RENDER_CONV;
211 RootWindow (display, screen), 506
212 visual, AllocNone); 507 XFree (filters);
213 } 508 }
214 } 509 }
215#endif 510#endif
216 511
512 int fd = XConnectionNumber (dpy);
513
514 // try to detect whether we have a local connection.
515 // assume unix domain socket == local, everything else not
516 // TODO: might want to check for inet/127.0.0.1
517 is_local = 0;
518 sockaddr_un sa;
519 socklen_t sl = sizeof (sa);
520
521 if (!getsockname (fd, (sockaddr *)&sa, &sl))
522 is_local = sa.sun_family == AF_UNIX;
523
524 flush_ev.start ();
217 x_ev.start (fd, EVENT_READ); 525 x_ev.start (fd, ev::READ);
218 fcntl (fd, F_SETFD, FD_CLOEXEC); 526 fcntl (fd, F_SETFD, FD_CLOEXEC);
219 527
220 XSelectInput (display, root, PropertyChangeMask); 528 XSelectInput (dpy, root, PropertyChangeMask);
221#ifdef USE_XIM
222 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
223#endif
224 529
225 flush (); 530 flush ();
226 531
227 return true; 532 return true;
228} 533}
229 534
535void
536rxvt_display::ref_next ()
537{
538 // TODO: somehow check whether the database files/resources changed
539 // before affording re-loading/parsing
540 XrmDestroyDatabase (XrmGetDatabase (dpy));
541#if XLIB_ILLEGAL_ACCESS
542 /* work around a bug in XrmSetDatabase where it frees the db */
543 dpy->db = 0;
544#endif
545 XrmSetDatabase (dpy, get_resources (true));
546}
547
230rxvt_display::~rxvt_display () 548rxvt_display::~rxvt_display ()
231{ 549{
550 if (!dpy)
551 return;
552
553#ifdef POINTER_BLANK
554 XFreeCursor (dpy, blank_cursor);
555#endif
232 x_ev.stop (); 556 x_ev.stop ();
557 flush_ev.stop ();
233#ifdef USE_XIM 558#if USE_XIM
234 xims.clear (); 559 xims.clear ();
235#endif 560#endif
236 561 XrmDestroyDatabase (XrmGetDatabase (dpy));
237 if (display)
238 XCloseDisplay (display); 562 XCloseDisplay (dpy);
239} 563}
240 564
241#ifdef USE_XIM 565#if USE_XIM
242void rxvt_display::im_change_cb () 566void rxvt_display::im_change_cb ()
243{ 567{
244 for (im_watcher **i = imw.begin (); i != imw.end (); ++i) 568 for (im_watcher **i = imw.begin (); i != imw.end (); ++i)
245 (*i)->call (); 569 (*i)->call ();
246} 570}
… …
251 // registers, as xlib crashes due to a race otherwise. 575 // registers, as xlib crashes due to a race otherwise.
252 Atom actual_type, *atoms; 576 Atom actual_type, *atoms;
253 int actual_format; 577 int actual_format;
254 unsigned long nitems, bytes_after; 578 unsigned long nitems, bytes_after;
255 579
256 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 580 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
257 False, XA_ATOM, &actual_type, &actual_format, 581 False, XA_ATOM, &actual_type, &actual_format,
258 &nitems, &bytes_after, (unsigned char **)&atoms) 582 &nitems, &bytes_after, (unsigned char **)&atoms)
259 != Success ) 583 != Success)
260 return; 584 return;
261 585
262 if (actual_type == XA_ATOM && actual_format == 32) 586 if (actual_type == XA_ATOM && actual_format == 32)
263 for (int i = 0; i < nitems; i++) 587 for (int i = 0; i < nitems; i++)
264 if (XGetSelectionOwner (display, atoms[i])) 588 if (XGetSelectionOwner (dpy, atoms[i]))
265 { 589 {
266 im_change_cb (); 590 im_change_cb ();
267 break; 591 break;
268 } 592 }
269 593
270 XFree (atoms); 594 XFree (atoms);
271} 595}
272#endif 596#endif
273 597
274void rxvt_display::x_cb (io_watcher &w, short revents) 598void rxvt_display::x_cb (ev::io &w, int revents)
275{ 599{
600 flush_ev.start ();
601}
602
603void rxvt_display::flush_cb (ev::prepare &w, int revents)
604{
605 while (XEventsQueued (dpy, QueuedAfterFlush))
276 do 606 do
277 { 607 {
278 XEvent xev; 608 XEvent xev;
279 XNextEvent (display, &xev); 609 XNextEvent (dpy, &xev);
280 610
281#ifdef USE_XIM 611#if USE_XIM
282 if (!XFilterEvent (&xev, None)) 612 if (!XFilterEvent (&xev, None))
283 { 613 {
284
285 if (xev.type == PropertyNotify 614 if (xev.type == PropertyNotify
286 && xev.xany.window == root 615 && xev.xany.window == root
287 && xev.xproperty.atom == xa_xim_servers) 616 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
288 im_change_check (); 617 im_change_check ();
289#endif 618#endif
619 if (xev.type == MappingNotify)
620 XRefreshKeyboardMapping (&xev.xmapping);
621
290 for (int i = xw.size (); i--; ) 622 for (int i = xw.size (); i--; )
291 { 623 {
292 if (!xw[i]) 624 if (!xw[i])
293 xw.erase_unordered (i); 625 xw.erase_unordered (i);
294 else if (xw[i]->window == xev.xany.window) 626 else if (xw[i]->window == xev.xany.window)
295 xw[i]->call (xev); 627 xw[i]->call (xev);
296 } 628 }
297#ifdef USE_XIM 629#if USE_XIM
298 } 630 }
299#endif 631#endif
300 } 632 }
301 while (XEventsQueued (display, QueuedAlready)); 633 while (XEventsQueued (dpy, QueuedAlready));
302 634
303 XFlush (display); 635 w.stop ();
304}
305
306void rxvt_display::flush ()
307{
308 if (XEventsQueued (display, QueuedAlready))
309 x_cb (x_ev, EVENT_READ);
310
311 XFlush (display);
312} 636}
313 637
314void rxvt_display::reg (xevent_watcher *w) 638void rxvt_display::reg (xevent_watcher *w)
315{ 639{
640 if (!w->active)
641 {
316 xw.push_back (w); 642 xw.push_back (w);
317 w->active = xw.size (); 643 w->active = xw.size ();
644 }
318} 645}
319 646
320void rxvt_display::unreg (xevent_watcher *w) 647void rxvt_display::unreg (xevent_watcher *w)
321{ 648{
322 if (w->active) 649 if (w->active)
650 {
323 xw[w->active - 1] = 0; 651 xw[w->active - 1] = 0;
652 w->active = 0;
653 }
324} 654}
325 655
326void rxvt_display::set_selection_owner (rxvt_term *owner) 656void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
327{ 657{
658 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
659
328 if (selection_owner && selection_owner != owner) 660 if (cur_owner && cur_owner != owner)
329 selection_owner->selection_clear (); 661 {
662 rxvt_term *term = cur_owner;
663 term->selection_clear (clipboard);
664 term->flush ();
665 }
330 666
331 selection_owner = owner; 667 cur_owner = owner;
332} 668}
333 669
334#ifdef USE_XIM 670#if USE_XIM
671
335void rxvt_display::reg (im_watcher *w) 672void rxvt_display::reg (im_watcher *w)
336{ 673{
337 imw.push_back (w); 674 imw.push_back (w);
338} 675}
339 676
… …
348 int l, m; 685 int l, m;
349 686
350 l = strlen (locale); 687 l = strlen (locale);
351 m = strlen (modifiers); 688 m = strlen (modifiers);
352 689
353 if (!(id = (char *)malloc (l + m + 2))) 690 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
354 return 0; 691 return 0;
355 692
356 memcpy (id, locale, l); id[l] = '\n'; 693 memcpy (id, locale, l); id[l] = '\n';
357 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 694 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
358 695
359 rxvt_xim *xim = xims.get (id); 696 rxvt_xim *xim = xims.get (id);
360 697
361 free (id);
362
363 return xim; 698 return xim;
364} 699}
365 700
366void rxvt_display::put_xim (rxvt_xim *xim) 701void rxvt_display::put_xim (rxvt_xim *xim)
367{ 702{
368#if XLIB_IS_RACEFREE 703# if XLIB_IS_RACEFREE
369 xims.put (xim); 704 xims.put (xim);
370#endif 705# endif
371} 706}
707
372#endif 708#endif
373 709
374Atom rxvt_display::atom (const char *name) 710Atom rxvt_display::atom (const char *name)
375{ 711{
376 return XInternAtom (display, name, False); 712 return XInternAtom (dpy, name, False);
713}
714
715Pixmap
716rxvt_display::get_pixmap_property (Atom property)
717{
718 Pixmap pixmap = None;
719
720 int aformat;
721 unsigned long nitems, bytes_after;
722 Atom atype;
723 unsigned char *prop;
724 int result = XGetWindowProperty (dpy, root, property,
725 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
726 &nitems, &bytes_after, &prop);
727 if (result == Success)
728 {
729 if (atype == XA_PIXMAP)
730 pixmap = *(Pixmap *)prop;
731 XFree (prop);
732 }
733
734 return pixmap;
377} 735}
378 736
379///////////////////////////////////////////////////////////////////////////// 737/////////////////////////////////////////////////////////////////////////////
380 738
381template class refcache<rxvt_display>; 739template class refcache<rxvt_display>;
382refcache<rxvt_display> displays; 740refcache<rxvt_display> displays;
383 741
384///////////////////////////////////////////////////////////////////////////// 742/////////////////////////////////////////////////////////////////////////////
385 743//
744
745static unsigned int
746insert_component (unsigned int value, unsigned int mask, unsigned int shift)
747{
748 return (value * (mask + 1) >> 16) << shift;
749}
750
386bool 751bool
387rxvt_color::set (rxvt_display *display, Pixel p) 752rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
388{ 753{
754 //TODO: only supports 24 bit
755 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
756
389#if XFT 757#if XFT
390 XColor xc; 758 XRenderPictFormat *format;
391 759
392 xc.pixel = p; 760 // FUCKING Xft gets it wrong, of course, so work around it.
393 if (!XQueryColor (display->display, display->cmap, &xc)) 761 // Transparency users should eat shit and die, and then
394 return false; 762 // XRenderQueryPictIndexValues themselves plenty.
763 if ((screen->visual->c_class == TrueColor)
764 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
765 {
766 // the fun lies in doing everything manually...
767 c.color.red = color.r;
768 c.color.green = color.g;
769 c.color.blue = color.b;
770 c.color.alpha = alpha;
395 771
772 // Xft wants premultiplied alpha, but abuses the alpha channel
773 // as blend factor, and doesn't allow us to set the alpha channel
774 c.color.red = c.color.red * alpha / 0xffff;
775 c.color.green = c.color.green * alpha / 0xffff;
776 c.color.blue = c.color.blue * alpha / 0xffff;
777
778 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
779 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
780 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
781 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
782
783 return true;
784 }
785 else
786 {
396 XRenderColor d; 787 XRenderColor d;
397 788
398 d.red = xc.red; 789 d.red = color.r;
399 d.green = xc.green; 790 d.green = color.g;
400 d.blue = xc.blue; 791 d.blue = color.b;
401 d.alpha = 0xffff; 792 d.alpha = alpha;
402 793
403 return 794 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
404 XftColorAllocValue (display->display, 795 return true;
405 display->visual, 796 }
406 display->cmap,
407 &d, &c);
408#else 797#else
409 this->p = p; 798 c.red = color.r;
410#endif 799 c.green = color.g;
800 c.blue = color.b;
411 801
802 if (screen->visual->c_class == TrueColor)
803 {
804 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
805 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
806 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
807
808 return true;
809 }
810 else if (XAllocColor (screen->dpy, screen->cmap, &c))
412 return true; 811 return true;
812#endif
813
814 //TODO: set c.color* or c.*
815 c.pixel = (color.r * 2 + color.g * 3 + color.b) >= 0x8000 * 6
816 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
817 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
818
819 return false;
413} 820}
414 821
415bool 822bool
416rxvt_color::set (rxvt_display *display, const char *name) 823rxvt_color::set (rxvt_screen *screen, const char *name)
824{
825 rgba c;
826 char eos;
827 int skip;
828
829 c.a = rgba::MAX_CC;
830
831 // parse the nonstandard "[alphapercent]" prefix
832 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
833 {
834 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
835 name += skip;
836 }
837
838 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
839 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
840 {
841 XColor xc;
842
843 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
844 {
845 c.r = xc.red;
846 c.g = xc.green;
847 c.b = xc.blue;
848 }
849 else
850 {
851 c.r = 0xffff;
852 c.g = 0x6969;
853 c.b = 0xb4b4;
854
855 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
856 }
857 }
858
859 return set (screen, c);
860}
861
862bool
863rxvt_color::set (rxvt_screen *screen, const rgba &color)
864{
865 bool got = alloc (screen, color);
866
867#if !ENABLE_MINIMAL
868 int cmap_size = screen->visual->map_entries;
869
870 if (!got
871 && screen->visual->c_class == PseudoColor
872 && cmap_size < 4096)
873 {
874 XColor *colors = new XColor [screen->visual->map_entries];
875
876 for (int i = 0; i < cmap_size; i++)
877 colors [i].pixel = i;
878
879 // many kilobytes transfer per colour, but pseudocolor isn't worth
880 // many extra optimisations.
881 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
882
883 while (cmap_size)
884 {
885 int diff = 0x7fffffffL;
886 XColor *best = colors;
887
888 for (int i = 0; i < cmap_size; i++)
889 {
890 // simple weighted rgb distance sucks, but keeps it simple
891 int d = abs (color.r - colors [i].red ) * 2
892 + abs (color.g - colors [i].green) * 3
893 + abs (color.b - colors [i].blue );
894
895 if (d < diff)
896 {
897 diff = d;
898 best = colors + i;
899 }
900 }
901
902 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d,%d)\n",
903 // color.r, color.g, color.b, best->red, best->green, best->blue, diff, best - colors);
904
905 got = alloc (screen, rgba (best->red, best->green, best->blue));
906
907 if (got)
908 break;
909
910 *best = colors [--cmap_size];
911 }
912
913 delete [] colors;
914 }
915#endif
916
917 return got;
918}
919
920void
921rxvt_color::get (rgba &color) const
417{ 922{
418#if XFT 923#if XFT
419 return XftColorAllocName (display->display, display->visual, display->cmap, 924 //TODO premultiplied alpha??
420 name, &c); 925 color.r = c.color.red;
926 color.g = c.color.green;
927 color.b = c.color.blue;
928 color.a = c.color.alpha;
421#else 929#else
422 XColor xc; 930 color.r = c.red;
931 color.g = c.green;
932 color.b = c.blue;
933 color.a = rgba::MAX_CC;
934#endif
935}
423 936
424 if (XParseColor (display->display, display->cmap, name, &xc)) 937void
425 return set (display, xc.red, xc.green, xc.blue); 938rxvt_color::get (XColor &color) const
939{
940 rgba c;
941 get (c);
942
943 color.red = c.r;
944 color.green = c.g;
945 color.blue = c.b;
946 color.pixel = (Pixel)*this;
947}
948
949void
950rxvt_color::free (rxvt_screen *screen)
951{
952 if (screen->visual->c_class == TrueColor)
953 return; // nothing to do
954
955#if XFT
956 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
957#else
958 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
959#endif
960}
961
962void
963rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
964{
965 rgba c;
966 get (c);
967
968 result.set (
969 screen,
970 rgba (
971 lerp (c.r, to.r, percent),
972 lerp (c.g, to.g, percent),
973 lerp (c.b, to.b, percent),
974 lerp (c.a, to.a, percent)
975 )
976 );
977}
978
979rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
980: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
981{
982 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
983
984 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
985 timer_ev.repeat = 10.;
986 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
987
988 incr_buf = 0;
989 incr_buf_size = incr_buf_fill = 0;
990 selection_wait = Sel_normal;
991 selection_type = selnum;
992 cb_sv = 0;
993}
994
995void
996rxvt_selection::stop ()
997{
998 free (incr_buf);
999 incr_buf = 0;
1000 timer_ev.stop ();
1001 x_ev.stop (display);
1002}
1003
1004rxvt_selection::~rxvt_selection ()
1005{
1006 stop ();
1007}
1008
1009void
1010rxvt_selection::run ()
1011{
1012 int selnum = selection_type;
1013
1014#if ENABLE_FRILLS
1015 if (selnum == Sel_Primary && display->selection_owner)
1016 {
1017 /* internal selection */
1018 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
1019 finish (str, strlen (str));
1020 free (str);
1021 return;
1022 }
1023#endif
1024
1025#if X_HAVE_UTF8_STRING
1026 selection_type = Sel_UTF8String;
1027 if (request (display->xa[XA_UTF8_STRING], selnum))
1028 return;
1029#else
1030 selection_type = Sel_CompoundText;
1031 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
1032 return;
1033#endif
1034
1035 // fallback to CUT_BUFFER0 if the requested property has no owner
1036 handle_selection (display->root, XA_CUT_BUFFER0, false);
1037}
1038
1039void
1040rxvt_selection::finish (char *data, unsigned int len)
1041{
1042 if (!cb_sv)
1043 {
1044 if (data)
1045 term->paste (data, len);
1046
1047 term->selection_req = 0;
1048 delete this;
1049 }
1050#if ENABLE_PERL
1051 else
1052 {
1053 stop (); // we do not really trust perl callbacks
1054 rxvt_perl.selection_finish (this, data, len);
1055 }
1056#endif
1057}
1058
1059bool
1060rxvt_selection::request (Atom target, int selnum)
1061{
1062 Atom sel;
1063
1064 selection_type |= selnum;
1065
1066 if (selnum == Sel_Primary)
1067 sel = XA_PRIMARY;
1068 else if (selnum == Sel_Secondary)
1069 sel = XA_SECONDARY;
1070 else
1071 sel = display->xa[XA_CLIPBOARD];
1072
1073 if (XGetSelectionOwner (display->dpy, sel) != None)
1074 {
1075 XConvertSelection (display->dpy, sel, target, request_prop,
1076 request_win, request_time);
1077 x_ev.start (display, request_win);
1078 timer_ev.again ();
1079 return true;
1080 }
426 1081
427 return false; 1082 return false;
428#endif
429} 1083}
430 1084
431bool
432rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
433{
434 XColor xc;
435
436 xc.red = cr;
437 xc.green = cg;
438 xc.blue = cb;
439 xc.flags = DoRed | DoGreen | DoBlue;
440
441 if (XAllocColor (display->display, display->cmap, &xc))
442 return set (display, xc.pixel);
443
444 return false;
445}
446
447void 1085void
448rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 1086rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
449{ 1087{
450#if XFT 1088 Display *dpy = display->dpy;
451 cr = c.color.red; 1089 char *data = 0;
452 cg = c.color.green; 1090 unsigned int data_len = 0;
453 cb = c.color.blue; 1091 unsigned long bytes_after;
454#else 1092 XTextProperty ct;
455 XColor c;
456 1093
457 c.pixel = p; 1094 // check for failed XConvertSelection
458 XQueryColor (display->display, display->cmap, &c); 1095 if (prop == None)
1096 {
1097 bool error = true;
1098 int selnum = selection_type & Sel_whereMask;
459 1099
460 cr = c.red; 1100 if (selection_type & Sel_CompoundText)
461 cg = c.green; 1101 {
462 cb = c.blue; 1102 selection_type = 0;
463#endif 1103 error = !request (XA_STRING, selnum);
464} 1104 }
465 1105
1106 if (selection_type & Sel_UTF8String)
1107 {
1108 selection_type = Sel_CompoundText;
1109 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1110 }
1111
1112 if (error)
1113 {
1114 ct.value = 0;
1115 goto bailout;
1116 }
1117
1118 return;
1119 }
1120
1121 // length == (2^31 - 1) / 4, as gdk
1122 if (XGetWindowProperty (dpy, win, prop,
1123 0, 0x1fffffff,
1124 delete_prop, AnyPropertyType,
1125 &ct.encoding, &ct.format,
1126 &ct.nitems, &bytes_after,
1127 &ct.value) != Success)
1128 {
1129 ct.value = 0;
1130 goto bailout;
1131 }
1132
1133 if (ct.encoding == None)
1134 goto bailout;
1135
1136 if (ct.value == 0)
1137 goto bailout;
1138
1139 if (ct.encoding == display->xa[XA_INCR])
1140 {
1141 // INCR selection, start handshake
1142 if (!delete_prop)
1143 XDeleteProperty (dpy, win, prop);
1144
1145 selection_wait = Sel_incr;
1146 timer_ev.again ();
1147
1148 goto bailout;
1149 }
1150
1151 if (ct.nitems == 0)
1152 {
1153 if (selection_wait == Sel_incr)
1154 {
1155 XFree (ct.value);
1156
1157 // finally complete, now paste the whole thing
1158 selection_wait = Sel_normal;
1159 ct.value = (unsigned char *)incr_buf;
1160 ct.nitems = incr_buf_fill;
1161 incr_buf = 0;
1162 timer_ev.stop ();
1163 }
1164 else
1165 {
1166 // avoid recursion
1167 if (win != display->root || prop != XA_CUT_BUFFER0)
1168 {
1169 XFree (ct.value);
1170
1171 // fallback to CUT_BUFFER0 if the requested property
1172 // has an owner but is empty
1173 handle_selection (display->root, XA_CUT_BUFFER0, False);
1174 return;
1175 }
1176
1177 goto bailout;
1178 }
1179 }
1180 else if (selection_wait == Sel_incr)
1181 {
1182 timer_ev.again ();
1183
1184 while (incr_buf_fill + ct.nitems > incr_buf_size)
1185 {
1186 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1187 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1188 }
1189
1190 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1191 incr_buf_fill += ct.nitems;
1192
1193 goto bailout;
1194 }
1195
1196 char **cl;
1197 int cr;
1198
1199 // we honour the first item only
1200
1201#if !ENABLE_MINIMAL
1202 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1203 // so recode it manually
1204 if (ct.encoding == display->xa[XA_UTF8_STRING])
1205 {
1206 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1207 data = rxvt_wcstombs (w);
1208 free (w);
1209 }
1210 else
1211#endif
1212 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1213 && cl)
1214 {
1215 data = strdup (cl[0]);
1216 XFreeStringList (cl);
1217 }
1218 else
1219 {
1220 // paste raw
1221 data = strdup ((const char *)ct.value);
1222 }
1223
1224 data_len = strlen (data);
1225
1226bailout:
1227 XFree (ct.value);
1228
1229 if (selection_wait == Sel_normal)
1230 {
1231 finish (data, data_len);
1232 free (data);
1233 }
1234}
1235
466void 1236void
467rxvt_color::free (rxvt_display *display) 1237rxvt_selection::timer_cb (ev::timer &w, int revents)
468{ 1238{
469#if XFT 1239 if (selection_wait == Sel_incr)
470 XftColorFree (display->display, display->visual, display->cmap, &c); 1240 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
471#else
472 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
473#endif
474}
475 1241
476rxvt_color 1242 finish ();
477rxvt_color::fade (rxvt_display *display, int percent)
478{
479 unsigned short cr, cg, cb;
480 rxvt_color faded;
481
482 get (display, cr, cg, cb);
483 faded.set (display,
484 cr * percent / 100,
485 cg * percent / 100,
486 cb * percent / 100);
487
488 return faded;
489} 1243}
490 1244
1245void
1246rxvt_selection::x_cb (XEvent &xev)
1247{
1248 switch (xev.type)
1249 {
1250 case PropertyNotify:
1251 if (selection_wait == Sel_incr
1252 && xev.xproperty.atom == request_prop
1253 && xev.xproperty.state == PropertyNewValue)
1254 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1255 break;
1256
1257 case SelectionNotify:
1258 if (selection_wait == Sel_normal
1259 && xev.xselection.time == request_time)
1260 {
1261 timer_ev.stop ();
1262 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
1263 }
1264 break;
1265 }
1266}

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