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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.23 by root, Wed Jan 11 00:59:58 2006 UTC vs.
Revision 1.132 by sf-exg, Sun Jun 3 15:50:22 2012 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 2 of the License, or
11 * (at your option) any later version. 12 * (at your option) any later version.
… …
26 27
27#include <unistd.h> 28#include <unistd.h>
28#include <fcntl.h> 29#include <fcntl.h>
29 30
30#include <sys/utsname.h> 31#include <sys/utsname.h>
31
32#ifndef NO_SLOW_LINK_SUPPORT
33# include <sys/socket.h> 32#include <sys/socket.h>
34# include <sys/un.h> 33#include <sys/un.h>
34
35#if XFT
36# include <X11/extensions/Xrender.h>
37#endif
38
39static const char *const xa_names[] =
40{
41 "TEXT",
42 "COMPOUND_TEXT",
43 "UTF8_STRING",
44 "MULTIPLE",
45 "TARGETS",
46 "TIMESTAMP",
47 "VT_SELECTION",
48 "INCR",
49 "WM_PROTOCOLS",
50 "WM_DELETE_WINDOW",
51 "CLIPBOARD",
52 "AVERAGE_WIDTH",
53 "WEIGHT_NAME",
54 "SLANT",
55 "CHARSET_REGISTRY",
56 "CHARSET_ENCODING",
57#if ENABLE_FRILLS
58 "_MOTIF_WM_HINTS",
59#endif
60#if ENABLE_EWMH
61 "_NET_WM_PID",
62 "_NET_WM_NAME",
63 "_NET_WM_ICON_NAME",
64 "_NET_WM_PING",
65 "_NET_WM_ICON",
66#endif
67#if USE_XIM
68 "WM_LOCALE_NAME",
69 "XIM_SERVERS",
70#endif
71#ifdef ENABLE_TRANSPARENCY
72 "_XROOTPMAP_ID",
73 "ESETROOT_PMAP_ID",
74#endif
75#if ENABLE_XEMBED
76 "_XEMBED",
77 "_XEMBED_INFO",
78#endif
79#if !ENABLE_MINIMAL
80 "SCREEN_RESOURCES",
81 "XDCCC_LINEAR_RGB_CORRECTION",
82 "XDCCC_LINEAR_RGB_MATRICES",
83 "WM_COLORMAP_WINDOWS",
84 "WM_STATE",
85 "cursor",
86# if USE_XIM
87 "TRANSPORT",
88 "LOCALES",
89 "_XIM_PROTOCOL",
90 "_XIM_XCONNECT",
91 "_XIM_MOREDATA",
35#endif 92# endif
93#endif
94};
95
96/////////////////////////////////////////////////////////////////////////////
36 97
37refcounted::refcounted (const char *id) 98refcounted::refcounted (const char *id)
38{ 99{
39 this->id = strdup (id); 100 this->id = strdup (id);
40} 101}
… …
93} 154}
94 155
95///////////////////////////////////////////////////////////////////////////// 156/////////////////////////////////////////////////////////////////////////////
96 157
97#ifdef USE_XIM 158#ifdef USE_XIM
159
98static void 160static void
99#if XIMCB_PROTO_BROKEN 161#if XIMCB_PROTO_BROKEN
100im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) 162im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3)
101#else 163#else
102im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3) 164im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3)
… …
114bool 176bool
115rxvt_xim::ref_init () 177rxvt_xim::ref_init ()
116{ 178{
117 display = GET_R->display; //HACK: TODO 179 display = GET_R->display; //HACK: TODO
118 180
119 xim = XOpenIM (display->display, NULL, NULL, NULL); 181 xim = XOpenIM (display->dpy, 0, 0, 0);
120 182
121 if (!xim) 183 if (!xim)
122 return false; 184 return false;
123 185
124 XIMCallback ximcallback; 186 XIMCallback ximcallback;
125 ximcallback.client_data = (XPointer)this; 187 ximcallback.client_data = (XPointer)this;
126 ximcallback.callback = im_destroy_cb; 188 ximcallback.callback = im_destroy_cb;
127 189
128 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 190 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
129 191
130 return true; 192 return true;
131} 193}
132 194
133rxvt_xim::~rxvt_xim () 195rxvt_xim::~rxvt_xim ()
134{ 196{
135 if (xim) 197 if (xim)
136 XCloseIM (xim); 198 XCloseIM (xim);
137} 199}
200
138#endif 201#endif
202
203/////////////////////////////////////////////////////////////////////////////
204
205#if XFT
206rxvt_drawable::~rxvt_drawable ()
207{
208 if (xftdrawable)
209 XftDrawDestroy (xftdrawable);
210}
211
212rxvt_drawable::operator XftDraw *()
213{
214 if (!xftdrawable)
215 xftdrawable = XftDrawCreate (screen->dpy, drawable, screen->visual, screen->cmap);
216
217 return xftdrawable;
218}
219#endif
220
221/////////////////////////////////////////////////////////////////////////////
222
223#if XFT
224
225// not strictly necessary as it is only used with superclass of zero_initialised
226rxvt_screen::rxvt_screen ()
227: scratch_area (0)
228{
229}
230
231rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h)
232{
233 if (!scratch_area || w > scratch_w || h > scratch_h)
234 {
235 if (scratch_area)
236 {
237 XFreePixmap (dpy, scratch_area->drawable);
238 delete scratch_area;
239 }
240
241 Pixmap pm = XCreatePixmap (dpy, RootWindowOfScreen (ScreenOfDisplay (dpy, display->screen)),
242 scratch_w = w, scratch_h = h, depth);
243
244 scratch_area = new rxvt_drawable (this, pm);
245 }
246
247 return *scratch_area;
248}
249
250#endif
251
252void
253rxvt_screen::set (rxvt_display *disp)
254{
255 display = disp;
256 dpy = disp->dpy;
257
258 Screen *screen = ScreenOfDisplay (dpy, disp->screen);
259
260 depth = DefaultDepthOfScreen (screen);
261 visual = DefaultVisualOfScreen (screen);
262 cmap = DefaultColormapOfScreen (screen);
263}
264
265void
266rxvt_screen::select_visual (int bitdepth)
267{
268#if XFT
269 XVisualInfo vinfo;
270
271 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
272 {
273 depth = bitdepth;
274 visual = vinfo.visual;
275 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
276 }
277#endif
278}
279
280void
281rxvt_screen::clear ()
282{
283#if XFT
284 if (scratch_area)
285 {
286 XFreePixmap (dpy, scratch_area->drawable);
287 delete scratch_area;
288 }
289#endif
290
291 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
292 XFreeColormap (dpy, cmap);
293}
139 294
140///////////////////////////////////////////////////////////////////////////// 295/////////////////////////////////////////////////////////////////////////////
141 296
142rxvt_display::rxvt_display (const char *id) 297rxvt_display::rxvt_display (const char *id)
143: refcounted (id) 298: refcounted (id)
144, x_ev (this, &rxvt_display::x_cb)
145, selection_owner (0) 299, selection_owner (0)
300, clipboard_owner (0)
146{ 301{
302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
147} 304}
148 305
149XrmDatabase 306XrmDatabase
150rxvt_display::get_resources () 307rxvt_display::get_resources (bool refresh)
151{ 308{
152 char *homedir = (char *)getenv ("HOME"); 309 char *homedir = getenv ("HOME");
153 char fname[1024]; 310 char fname[1024];
154 311
155 /* 312 /*
156 * get resources using the X library function 313 * get resources using the X library function
157 */ 314 */
158 char *displayResource, *xe; 315 char *displayResource, *xe;
159 XrmDatabase database, rdb1; 316 XrmDatabase rdb1, database = 0;
160 317
161 database = NULL; 318#if !XLIB_ILLEGAL_ACCESS
319 /* work around a bug in XrmSetDatabase where it frees the db, see ref_next */
320 database = XrmGetStringDatabase ("");
321#endif
162 322
163 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 323 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
324 // as opposed to "standard practise", we always read in ~/.Xdefaults
164 325
165 // 6. System wide per application default file. 326 // 6. System wide per application default file.
166 327
167 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ 328 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
168 if ((xe = (char *)getenv ("XAPPLRESDIR"))) 329 if ((xe = getenv ("XAPPLRESDIR")))
169 { 330 {
170 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); 331 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
171 332
172 if ((rdb1 = XrmGetFileDatabase (fname))) 333 if ((rdb1 = XrmGetFileDatabase (fname)))
173 XrmMergeDatabases (rdb1, &database); 334 XrmMergeDatabases (rdb1, &database);
… …
175 336
176 // 5. User's per application default file. 337 // 5. User's per application default file.
177 // none 338 // none
178 339
179 // 4. User's defaults file. 340 // 4. User's defaults file.
341 if (homedir)
342 {
343 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
344
345 if ((rdb1 = XrmGetFileDatabase (fname)))
346 XrmMergeDatabases (rdb1, &database);
347 }
348
180 /* Get any Xserver defaults */ 349 /* Get any Xserver defaults */
350 if (refresh)
351 {
352 // fucking xlib keeps a copy of the rm string
353 Atom actual_type;
354 int actual_format;
355 unsigned long nitems, nremaining;
356 char *val = 0;
357
358#if XLIB_ILLEGAL_ACCESS
359 if (dpy->xdefaults)
360 XFree (dpy->xdefaults);
361#endif
362
363 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
364 0L, 100000000L, False,
365 XA_STRING, &actual_type, &actual_format,
366 &nitems, &nremaining,
367 (unsigned char **)&val) == Success
368 && actual_type == XA_STRING
369 && actual_format == 8)
370 displayResource = val;
371 else
372 {
373 displayResource = 0;
374
375 if (val)
376 XFree (val);
377 }
378
379#if XLIB_ILLEGAL_ACCESS
380 dpy->xdefaults = displayResource;
381#endif
382 }
383 else
181 displayResource = XResourceManagerString (display); 384 displayResource = XResourceManagerString (dpy);
182 385
183 if (displayResource != NULL) 386 if (displayResource)
184 { 387 {
185 if ((rdb1 = XrmGetStringDatabase (displayResource))) 388 if ((rdb1 = XrmGetStringDatabase (displayResource)))
186 XrmMergeDatabases (rdb1, &database); 389 XrmMergeDatabases (rdb1, &database);
187 } 390 }
188 else if (homedir)
189 {
190 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
191 391
192 if ((rdb1 = XrmGetFileDatabase (fname))) 392#if !XLIB_ILLEGAL_ACCESS
193 XrmMergeDatabases (rdb1, &database); 393 if (refresh && displayResource)
194 } 394 XFree (displayResource);
395#endif
195 396
196 /* Get screen specific resources */ 397 /* Get screen specific resources */
197 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); 398 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
198 399
199 if (displayResource != NULL) 400 if (displayResource)
200 { 401 {
201 if ((rdb1 = XrmGetStringDatabase (displayResource))) 402 if ((rdb1 = XrmGetStringDatabase (displayResource)))
202 /* Merge with screen-independent resources */ 403 /* Merge with screen-independent resources */
203 XrmMergeDatabases (rdb1, &database); 404 XrmMergeDatabases (rdb1, &database);
204 405
205 XFree (displayResource); 406 XFree (displayResource);
206 } 407 }
207 408
208 // 3. User's per host defaults file 409 // 3. User's per host defaults file
209 /* Add in XENVIRONMENT file */ 410 /* Add in XENVIRONMENT file */
210 if ((xe = (char *)getenv ("XENVIRONMENT")) 411 if ((xe = getenv ("XENVIRONMENT"))
211 && (rdb1 = XrmGetFileDatabase (xe))) 412 && (rdb1 = XrmGetFileDatabase (xe)))
212 XrmMergeDatabases (rdb1, &database); 413 XrmMergeDatabases (rdb1, &database);
213 else if (homedir) 414 else if (homedir)
214 { 415 {
215 struct utsname un; 416 struct utsname un;
… …
229bool rxvt_display::ref_init () 430bool rxvt_display::ref_init ()
230{ 431{
231#ifdef LOCAL_X_IS_UNIX 432#ifdef LOCAL_X_IS_UNIX
232 if (id[0] == ':') 433 if (id[0] == ':')
233 { 434 {
234 val = rxvt_malloc (5 + strlen (id) + 1); 435 char *val = rxvt_temp_buf<char> (5 + strlen (id) + 1);
436
235 strcpy (val, "unix/"); 437 strcpy (val, "unix/");
236 strcat (val, id); 438 strcat (val, id);
439
237 display = XOpenDisplay (val); 440 dpy = XOpenDisplay (val);
238 free (val);
239 } 441 }
240 else 442 else
241#endif 443#endif
242 display = 0; 444 dpy = 0;
243 445
244 if (!display) 446 if (!dpy)
245 display = XOpenDisplay (id); 447 dpy = XOpenDisplay (id);
246 448
247 if (!display) 449 if (!dpy)
248 return false; 450 return false;
249 451
250 screen = DefaultScreen (display); 452 screen = DefaultScreen (dpy);
251 root = DefaultRootWindow (display); 453 root = DefaultRootWindow (dpy);
252 visual = DefaultVisual (display, screen);
253 cmap = DefaultColormap (display, screen);
254 depth = DefaultDepth (display, screen);
255 454
455 assert (ecb_array_length (xa_names) == NUM_XA);
456 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
457
256 XrmSetDatabase (display, get_resources ()); 458 XrmSetDatabase (dpy, get_resources (false));
257 459
258#ifdef POINTER_BLANK 460#ifdef POINTER_BLANK
259 XColor blackcolour; 461 XColor blackcolour;
260 blackcolour.red = 0; 462 blackcolour.red = 0;
261 blackcolour.green = 0; 463 blackcolour.green = 0;
262 blackcolour.blue = 0; 464 blackcolour.blue = 0;
263 Font f = XLoadFont (display, "fixed"); 465 Font f = XLoadFont (dpy, "fixed");
264 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 466 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
265 &blackcolour, &blackcolour); 467 &blackcolour, &blackcolour);
266 XUnloadFont (display, f); 468 XUnloadFont (dpy, f);
267#endif 469#endif
268 470
269#ifdef PREFER_24BIT 471 flags = 0;
270 /* 472#if XRENDER
271 * If depth is not 24, look for a 24bit visual. 473 int major, minor;
272 */ 474 if (XRenderQueryVersion (dpy, &major, &minor))
273 if (depth != 24)
274 { 475 {
275 XVisualInfo vinfo; 476 flags |= DISPLAY_HAS_RENDER;
276 477
277 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo)) 478 if (major > 0 || (major == 0 && minor >= 11))
278 { 479 flags |= DISPLAY_HAS_RENDER_MUL;
279 depth = 24; 480
280 visual = vinfo.visual; 481 XFilters *filters = XRenderQueryFilters (dpy, root);
281 cmap = XCreateColormap (display, 482 if (filters)
282 RootWindow (display, screen),
283 visual, AllocNone);
284 } 483 {
285 } 484 for (int i = 0; i < filters->nfilter; i++)
286#endif 485 if (!strcmp (filters->filter[i], FilterConvolution))
486 flags |= DISPLAY_HAS_RENDER_CONV;
287 487
488 XFree (filters);
489 }
490 }
491#endif
492
288 int fd = XConnectionNumber (display); 493 int fd = XConnectionNumber (dpy);
289 494
290#ifndef NO_SLOW_LINK_SUPPORT
291 // try to detect wether we have a local connection. 495 // try to detect whether we have a local connection.
292 // assume unix domains socket == local, everything else not 496 // assume unix domain socket == local, everything else not
293 // TODO: might want to check for inet/127.0.0.1 497 // TODO: might want to check for inet/127.0.0.1
294 is_local = 0; 498 is_local = 0;
295 sockaddr_un sa; 499 sockaddr_un sa;
296 socklen_t sl = sizeof (sa); 500 socklen_t sl = sizeof (sa);
297 501
298 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 502 if (!getsockname (fd, (sockaddr *)&sa, &sl))
299 is_local = sa.sun_family == AF_LOCAL; 503 is_local = sa.sun_family == AF_UNIX;
300#endif
301 504
505 flush_ev.start ();
302 x_ev.start (fd, EVENT_READ); 506 x_ev.start (fd, ev::READ);
303 fcntl (fd, F_SETFD, FD_CLOEXEC); 507 fcntl (fd, F_SETFD, FD_CLOEXEC);
304 508
305 XSelectInput (display, root, PropertyChangeMask); 509 XSelectInput (dpy, root, PropertyChangeMask);
306#ifdef USE_XIM
307 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
308#endif
309 510
310 flush (); 511 flush ();
311 512
312 return true; 513 return true;
313} 514}
314 515
315void 516void
316rxvt_display::ref_next () 517rxvt_display::ref_next ()
317{ 518{
318 // TODO: somehow check wether the database files/resources changed 519 // TODO: somehow check whether the database files/resources changed
319 // before re-loading/parsing 520 // before affording re-loading/parsing
320 XrmDestroyDatabase (XrmGetDatabase (display)); 521 XrmDestroyDatabase (XrmGetDatabase (dpy));
522#if XLIB_ILLEGAL_ACCESS
523 /* work around a bug in XrmSetDatabase where it frees the db */
524 dpy->db = 0;
525#endif
321 XrmSetDatabase (display, get_resources ()); 526 XrmSetDatabase (dpy, get_resources (true));
322} 527}
323 528
324rxvt_display::~rxvt_display () 529rxvt_display::~rxvt_display ()
325{ 530{
326 if (!display) 531 if (!dpy)
327 return; 532 return;
328 533
329#ifdef POINTER_BLANK 534#ifdef POINTER_BLANK
330 XFreeCursor (display, blank_cursor); 535 XFreeCursor (dpy, blank_cursor);
331#endif 536#endif
332 x_ev.stop (); 537 x_ev.stop ();
538 flush_ev.stop ();
333#ifdef USE_XIM 539#ifdef USE_XIM
334 xims.clear (); 540 xims.clear ();
335#endif 541#endif
542 XrmDestroyDatabase (XrmGetDatabase (dpy));
336 XCloseDisplay (display); 543 XCloseDisplay (dpy);
337} 544}
338 545
339#ifdef USE_XIM 546#ifdef USE_XIM
340void rxvt_display::im_change_cb () 547void rxvt_display::im_change_cb ()
341{ 548{
… …
349 // registers, as xlib crashes due to a race otherwise. 556 // registers, as xlib crashes due to a race otherwise.
350 Atom actual_type, *atoms; 557 Atom actual_type, *atoms;
351 int actual_format; 558 int actual_format;
352 unsigned long nitems, bytes_after; 559 unsigned long nitems, bytes_after;
353 560
354 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 561 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
355 False, XA_ATOM, &actual_type, &actual_format, 562 False, XA_ATOM, &actual_type, &actual_format,
356 &nitems, &bytes_after, (unsigned char **)&atoms) 563 &nitems, &bytes_after, (unsigned char **)&atoms)
357 != Success ) 564 != Success)
358 return; 565 return;
359 566
360 if (actual_type == XA_ATOM && actual_format == 32) 567 if (actual_type == XA_ATOM && actual_format == 32)
361 for (int i = 0; i < nitems; i++) 568 for (int i = 0; i < nitems; i++)
362 if (XGetSelectionOwner (display, atoms[i])) 569 if (XGetSelectionOwner (dpy, atoms[i]))
363 { 570 {
364 im_change_cb (); 571 im_change_cb ();
365 break; 572 break;
366 } 573 }
367 574
368 XFree (atoms); 575 XFree (atoms);
369} 576}
370#endif 577#endif
371 578
372void rxvt_display::x_cb (io_watcher &w, short revents) 579void rxvt_display::x_cb (ev::io &w, int revents)
373{ 580{
581 flush_ev.start ();
582}
583
584void rxvt_display::flush_cb (ev::prepare &w, int revents)
585{
586 while (XEventsQueued (dpy, QueuedAfterFlush))
374 do 587 do
375 { 588 {
376 XEvent xev; 589 XEvent xev;
377 XNextEvent (display, &xev); 590 XNextEvent (dpy, &xev);
378 591
379#ifdef USE_XIM 592#ifdef USE_XIM
380 if (!XFilterEvent (&xev, None)) 593 if (!XFilterEvent (&xev, None))
381 { 594 {
382 if (xev.type == PropertyNotify 595 if (xev.type == PropertyNotify
383 && xev.xany.window == root 596 && xev.xany.window == root
384 && xev.xproperty.atom == xa_xim_servers) 597 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
385 im_change_check (); 598 im_change_check ();
386#endif 599#endif
600 if (xev.type == MappingNotify)
601 XRefreshKeyboardMapping (&xev.xmapping);
602
387 for (int i = xw.size (); i--; ) 603 for (int i = xw.size (); i--; )
388 { 604 {
389 if (!xw[i]) 605 if (!xw[i])
390 xw.erase_unordered (i); 606 xw.erase_unordered (i);
391 else if (xw[i]->window == xev.xany.window) 607 else if (xw[i]->window == xev.xany.window)
392 xw[i]->call (xev); 608 xw[i]->call (xev);
393 } 609 }
394#ifdef USE_XIM 610#ifdef USE_XIM
395 } 611 }
396#endif 612#endif
397 } 613 }
398 while (XEventsQueued (display, QueuedAlready)); 614 while (XEventsQueued (dpy, QueuedAlready));
399 615
400 XFlush (display); 616 w.stop ();
401}
402
403void rxvt_display::flush ()
404{
405 if (XEventsQueued (display, QueuedAlready))
406 x_cb (x_ev, EVENT_READ);
407
408 XFlush (display);
409} 617}
410 618
411void rxvt_display::reg (xevent_watcher *w) 619void rxvt_display::reg (xevent_watcher *w)
412{ 620{
621 if (!w->active)
622 {
413 xw.push_back (w); 623 xw.push_back (w);
414 w->active = xw.size (); 624 w->active = xw.size ();
625 }
415} 626}
416 627
417void rxvt_display::unreg (xevent_watcher *w) 628void rxvt_display::unreg (xevent_watcher *w)
418{ 629{
419 if (w->active) 630 if (w->active)
631 {
420 xw[w->active - 1] = 0; 632 xw[w->active - 1] = 0;
633 w->active = 0;
634 }
421} 635}
422 636
423void rxvt_display::set_selection_owner (rxvt_term *owner) 637void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
424{ 638{
639 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
640
425 if (selection_owner && selection_owner != owner) 641 if (cur_owner && cur_owner != owner)
426 selection_owner->selection_clear (); 642 {
643 rxvt_term *term = cur_owner;
644 term->selection_clear (clipboard);
645 term->flush ();
646 }
427 647
428 selection_owner = owner; 648 cur_owner = owner;
429} 649}
430 650
431#ifdef USE_XIM 651#ifdef USE_XIM
652
432void rxvt_display::reg (im_watcher *w) 653void rxvt_display::reg (im_watcher *w)
433{ 654{
434 imw.push_back (w); 655 imw.push_back (w);
435} 656}
436 657
… …
445 int l, m; 666 int l, m;
446 667
447 l = strlen (locale); 668 l = strlen (locale);
448 m = strlen (modifiers); 669 m = strlen (modifiers);
449 670
450 if (!(id = (char *)malloc (l + m + 2))) 671 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
451 return 0; 672 return 0;
452 673
453 memcpy (id, locale, l); id[l] = '\n'; 674 memcpy (id, locale, l); id[l] = '\n';
454 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 675 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
455 676
456 rxvt_xim *xim = xims.get (id); 677 rxvt_xim *xim = xims.get (id);
457 678
458 free (id);
459
460 return xim; 679 return xim;
461} 680}
462 681
463void rxvt_display::put_xim (rxvt_xim *xim) 682void rxvt_display::put_xim (rxvt_xim *xim)
464{ 683{
465#if XLIB_IS_RACEFREE 684# if XLIB_IS_RACEFREE
466 xims.put (xim); 685 xims.put (xim);
467#endif 686# endif
468} 687}
688
469#endif 689#endif
470 690
471Atom rxvt_display::atom (const char *name) 691Atom rxvt_display::atom (const char *name)
472{ 692{
473 return XInternAtom (display, name, False); 693 return XInternAtom (dpy, name, False);
474} 694}
475 695
476///////////////////////////////////////////////////////////////////////////// 696/////////////////////////////////////////////////////////////////////////////
477 697
478template class refcache<rxvt_display>; 698template class refcache<rxvt_display>;
479refcache<rxvt_display> displays; 699refcache<rxvt_display> displays;
480 700
481///////////////////////////////////////////////////////////////////////////// 701/////////////////////////////////////////////////////////////////////////////
482 702//
703
704static unsigned int
705insert_component (unsigned int value, unsigned int mask, unsigned int shift)
706{
707 return (value * (mask + 1) >> 16) << shift;
708}
709
483bool 710bool
484rxvt_color::set (rxvt_display *display, Pixel p) 711rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
485{ 712{
713 //TODO: only supports 24 bit
714 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
715
486#if XFT 716#if XFT
487 XColor xc; 717 XRenderPictFormat *format;
488 718
489 xc.pixel = p; 719 // FUCKING Xft gets it wrong, of course, so work around it.
490 if (!XQueryColor (display->display, display->cmap, &xc)) 720 // Transparency users should eat shit and die, and then
491 return false; 721 // XRenderQueryPictIndexValues themselves plenty.
722 if ((screen->visual->c_class == TrueColor)
723 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
724 {
725 // the fun lies in doing everything manually...
726 c.color.red = color.r;
727 c.color.green = color.g;
728 c.color.blue = color.b;
729 c.color.alpha = alpha;
492 730
731 // Xft wants premultiplied alpha, but abuses the alpha channel
732 // as blend factor, and doesn't allow us to set the alpha channel
733 c.color.red = c.color.red * alpha / 0xffff;
734 c.color.green = c.color.green * alpha / 0xffff;
735 c.color.blue = c.color.blue * alpha / 0xffff;
736
737 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
738 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
739 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
740 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
741
742 return true;
743 }
744 else
745 {
493 XRenderColor d; 746 XRenderColor d;
494 747
495 d.red = xc.red; 748 d.red = color.r;
496 d.green = xc.green; 749 d.green = color.g;
497 d.blue = xc.blue; 750 d.blue = color.b;
498 d.alpha = 0xffff; 751 d.alpha = alpha;
499 752
500 return 753 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
501 XftColorAllocValue (display->display, 754 return true;
502 display->visual, 755 }
503 display->cmap,
504 &d, &c);
505#else 756#else
506 this->p = p; 757 c.red = color.r;
507#endif 758 c.green = color.g;
759 c.blue = color.b;
508 760
761 if (screen->visual->c_class == TrueColor)
762 {
763 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
764 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
765 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
766
767 return true;
768 }
769 else if (XAllocColor (screen->dpy, screen->cmap, &c))
509 return true; 770 return true;
771#endif
772
773 c.pixel = (color.r + color.g + color.b) > 128*3
774 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
775 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
776
777 return false;
510} 778}
511 779
512bool 780bool
513rxvt_color::set (rxvt_display *display, const char *name) 781rxvt_color::set (rxvt_screen *screen, const char *name)
782{
783 rgba c;
784 char eos;
785 int skip;
786
787 c.a = rgba::MAX_CC;
788
789 // parse the nonstandard "[alphapercent]" prefix
790 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
791 {
792 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
793 name += skip;
794 }
795
796 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
797 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
798 {
799 XColor xc;
800
801 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
802 {
803 c.r = xc.red;
804 c.g = xc.green;
805 c.b = xc.blue;
806 }
807 else
808 {
809 c.r = 0xffff;
810 c.g = 0x6969;
811 c.b = 0xb4b4;
812
813 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
814 }
815 }
816
817 return set (screen, c);
818}
819
820bool
821rxvt_color::set (rxvt_screen *screen, const rgba &color)
822{
823 bool got = alloc (screen, color);
824
825#if !ENABLE_MINIMAL
826 int cmap_size = screen->visual->map_entries;
827
828 if (!got
829 && screen->visual->c_class == PseudoColor
830 && cmap_size < 4096)
831 {
832 XColor *colors = new XColor [screen->visual->map_entries];
833
834 for (int i = 0; i < cmap_size; i++)
835 colors [i].pixel = i;
836
837 // many kilobytes transfer per colour, but pseudocolor isn't worth
838 // many extra optimisations.
839 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
840
841 int diff = 0x7fffffffUL;
842 XColor *best = colors;
843
844 for (int i = 0; i < cmap_size; i++)
845 {
846 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
847 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
848 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
849
850 if (d < diff)
851 {
852 diff = d;
853 best = colors + i;
854 }
855 }
856
857 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
858 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
859
860 got = alloc (screen, rgba (best->red, best->green, best->blue));
861
862 delete [] colors;
863 }
864#endif
865
866 return got;
867}
868
869void
870rxvt_color::get (rgba &color)
514{ 871{
515#if XFT 872#if XFT
516 return XftColorAllocName (display->display, display->visual, display->cmap, 873 color.r = c.color.red;
517 name, &c); 874 color.g = c.color.green;
875 color.b = c.color.blue;
876 color.a = c.color.alpha;
518#else 877#else
519 XColor xc; 878 color.r = c.red;
879 color.g = c.green;
880 color.b = c.blue;
881 color.a = rgba::MAX_CC;
882#endif
883}
520 884
521 if (XParseColor (display->display, display->cmap, name, &xc)) 885void
522 return set (display, xc.red, xc.green, xc.blue); 886rxvt_color::get (XColor &color)
887{
888 rgba c;
889 get (c);
890
891 color.red = c.r;
892 color.green = c.g;
893 color.blue = c.b;
894 color.pixel = (Pixel)*this;
895}
896
897void
898rxvt_color::free (rxvt_screen *screen)
899{
900 if (screen->visual->c_class == TrueColor)
901 return; // nothing to do
902
903#if XFT
904 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
905#else
906 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
907#endif
908}
909
910void
911rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
912{
913 rgba c;
914 get (c);
915
916 result.set (
917 screen,
918 rgba (
919 lerp (c.r, to.r, percent),
920 lerp (c.g, to.g, percent),
921 lerp (c.b, to.b, percent),
922 lerp (c.a, to.a, percent)
923 )
924 );
925}
926
927rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
928: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
929{
930 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
931
932 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
933 timer_ev.repeat = 10.;
934 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
935
936 incr_buf = 0;
937 incr_buf_size = incr_buf_fill = 0;
938 selection_wait = Sel_normal;
939 selection_type = selnum;
940 cb_sv = 0;
941}
942
943void
944rxvt_selection::stop ()
945{
946 free (incr_buf);
947 incr_buf = 0;
948 timer_ev.stop ();
949 x_ev.stop (display);
950}
951
952rxvt_selection::~rxvt_selection ()
953{
954 stop ();
955}
956
957void
958rxvt_selection::run ()
959{
960 int selnum = selection_type;
961
962#if ENABLE_FRILLS
963 if (selnum == Sel_Primary && display->selection_owner)
964 {
965 /* internal selection */
966 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
967 finish (str, strlen (str));
968 free (str);
969 return;
970 }
971#endif
972
973#if X_HAVE_UTF8_STRING
974 selection_type = Sel_UTF8String;
975 if (request (display->xa[XA_UTF8_STRING], selnum))
976 return;
977#else
978 selection_type = Sel_CompoundText;
979 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
980 return;
981#endif
982
983 // fallback to CUT_BUFFER0 if the requested property has no owner
984 handle_selection (display->root, XA_CUT_BUFFER0, false);
985}
986
987void
988rxvt_selection::finish (char *data, unsigned int len)
989{
990 if (!cb_sv)
991 {
992 if (data)
993 term->paste (data, len);
994
995 term->selection_req = 0;
996 delete this;
997 }
998#if ENABLE_PERL
999 else
1000 {
1001 stop (); // we do not really trust perl callbacks
1002 rxvt_perl.selection_finish (this, data, len);
1003 }
1004#endif
1005}
1006
1007bool
1008rxvt_selection::request (Atom target, int selnum)
1009{
1010 Atom sel;
1011
1012 selection_type |= selnum;
1013
1014 if (selnum == Sel_Primary)
1015 sel = XA_PRIMARY;
1016 else if (selnum == Sel_Secondary)
1017 sel = XA_SECONDARY;
1018 else
1019 sel = display->xa[XA_CLIPBOARD];
1020
1021 if (XGetSelectionOwner (display->dpy, sel) != None)
1022 {
1023 XConvertSelection (display->dpy, sel, target, request_prop,
1024 request_win, request_time);
1025 x_ev.start (display, request_win);
1026 timer_ev.again ();
1027 return true;
1028 }
523 1029
524 return false; 1030 return false;
525#endif
526} 1031}
527 1032
528bool
529rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
530{
531 XColor xc;
532
533 xc.red = cr;
534 xc.green = cg;
535 xc.blue = cb;
536 xc.flags = DoRed | DoGreen | DoBlue;
537
538 if (XAllocColor (display->display, display->cmap, &xc))
539 return set (display, xc.pixel);
540
541 return false;
542}
543
544void 1033void
545rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 1034rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
546{ 1035{
547#if XFT 1036 Display *dpy = display->dpy;
548 cr = c.color.red; 1037 char *data = 0;
549 cg = c.color.green; 1038 unsigned int data_len = 0;
550 cb = c.color.blue; 1039 unsigned long bytes_after;
551#else 1040 XTextProperty ct;
552 XColor c;
553 1041
554 c.pixel = p; 1042 // check for failed XConvertSelection
555 XQueryColor (display->display, display->cmap, &c); 1043 if (prop == None)
1044 {
1045 bool error = true;
1046 int selnum = selection_type & Sel_whereMask;
556 1047
557 cr = c.red; 1048 if (selection_type & Sel_CompoundText)
558 cg = c.green; 1049 {
559 cb = c.blue; 1050 selection_type = 0;
560#endif 1051 error = !request (XA_STRING, selnum);
561} 1052 }
562 1053
1054 if (selection_type & Sel_UTF8String)
1055 {
1056 selection_type = Sel_CompoundText;
1057 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1058 }
1059
1060 if (error)
1061 {
1062 ct.value = 0;
1063 goto bailout;
1064 }
1065
1066 return;
1067 }
1068
1069 // length == (2^31 - 1) / 4, as gdk
1070 if (XGetWindowProperty (dpy, win, prop,
1071 0, 0x1fffffff,
1072 delete_prop, AnyPropertyType,
1073 &ct.encoding, &ct.format,
1074 &ct.nitems, &bytes_after,
1075 &ct.value) != Success)
1076 {
1077 ct.value = 0;
1078 goto bailout;
1079 }
1080
1081 if (ct.encoding == None)
1082 goto bailout;
1083
1084 if (ct.value == 0)
1085 goto bailout;
1086
1087 if (ct.encoding == display->xa[XA_INCR])
1088 {
1089 // INCR selection, start handshake
1090 if (!delete_prop)
1091 XDeleteProperty (dpy, win, prop);
1092
1093 selection_wait = Sel_incr;
1094 timer_ev.again ();
1095
1096 goto bailout;
1097 }
1098
1099 if (ct.nitems == 0)
1100 {
1101 if (selection_wait == Sel_incr)
1102 {
1103 XFree (ct.value);
1104
1105 // finally complete, now paste the whole thing
1106 selection_wait = Sel_normal;
1107 ct.value = (unsigned char *)incr_buf;
1108 ct.nitems = incr_buf_fill;
1109 incr_buf = 0;
1110 timer_ev.stop ();
1111 }
1112 else
1113 {
1114 // avoid recursion
1115 if (win != display->root || prop != XA_CUT_BUFFER0)
1116 {
1117 XFree (ct.value);
1118
1119 // fallback to CUT_BUFFER0 if the requested property
1120 // has an owner but is empty
1121 handle_selection (display->root, XA_CUT_BUFFER0, False);
1122 return;
1123 }
1124
1125 goto bailout;
1126 }
1127 }
1128 else if (selection_wait == Sel_incr)
1129 {
1130 timer_ev.again ();
1131
1132 while (incr_buf_fill + ct.nitems > incr_buf_size)
1133 {
1134 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1135 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1136 }
1137
1138 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1139 incr_buf_fill += ct.nitems;
1140
1141 goto bailout;
1142 }
1143
1144 char **cl;
1145 int cr;
1146
1147 // we honour the first item only
1148
1149#if !ENABLE_MINIMAL
1150 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1151 // so recode it manually
1152 if (ct.encoding == display->xa[XA_UTF8_STRING])
1153 {
1154 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1155 data = rxvt_wcstombs (w);
1156 free (w);
1157 }
1158 else
1159#endif
1160 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1161 && cl)
1162 {
1163 data = strdup (cl[0]);
1164 XFreeStringList (cl);
1165 }
1166 else
1167 {
1168 // paste raw
1169 data = strdup ((const char *)ct.value);
1170 }
1171
1172 data_len = strlen (data);
1173
1174bailout:
1175 XFree (ct.value);
1176
1177 if (selection_wait == Sel_normal)
1178 {
1179 finish (data, data_len);
1180 free (data);
1181 }
1182}
1183
563void 1184void
564rxvt_color::free (rxvt_display *display) 1185rxvt_selection::timer_cb (ev::timer &w, int revents)
565{ 1186{
566#if XFT 1187 if (selection_wait == Sel_incr)
567 XftColorFree (display->display, display->visual, display->cmap, &c); 1188 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
568#else
569 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
570#endif
571}
572 1189
573rxvt_color 1190 finish ();
574rxvt_color::fade (rxvt_display *display, int percent)
575{
576 percent = 100 - percent;
577
578 unsigned short cr, cg, cb;
579 rxvt_color faded;
580
581 get (display, cr, cg, cb);
582
583 faded.set (
584 display,
585 cr * percent / 100,
586 cg * percent / 100,
587 cb * percent / 100
588 );
589
590 return faded;
591} 1191}
592 1192
593#define LERP(a,b,p) (a * p + b * (100 - p)) / 100 1193void
594 1194rxvt_selection::x_cb (XEvent &xev)
595rxvt_color
596rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
597{ 1195{
598 percent = 100 - percent; 1196 switch (xev.type)
1197 {
1198 case PropertyNotify:
1199 if (selection_wait == Sel_incr
1200 && xev.xproperty.atom == request_prop
1201 && xev.xproperty.state == PropertyNewValue)
1202 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1203 break;
599 1204
600 unsigned short cr, cg, cb; 1205 case SelectionNotify:
601 unsigned short fcr, fcg, fcb; 1206 if (selection_wait == Sel_normal
602 rxvt_color faded; 1207 && xev.xselection.time == request_time)
603 1208 {
604 get (display, cr, cg, cb); 1209 timer_ev.stop ();
605 fadeto.get(display, fcr, fcg, fcb); 1210 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
606 1211 }
607 faded.set ( 1212 break;
608 display, 1213 }
609 LERP (cr, fcr, percent),
610 LERP (cg, fcg, percent),
611 LERP (cb, fcb, percent)
612 );
613
614 return faded;
615} 1214}
616

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