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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.19 by root, Mon Nov 28 19:04:39 2005 UTC vs.
Revision 1.137 by root, Thu Jun 7 16:04:31 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.
… …
25#include <rxvttoolkit.h> 26#include <rxvttoolkit.h>
26 27
27#include <unistd.h> 28#include <unistd.h>
28#include <fcntl.h> 29#include <fcntl.h>
29 30
30#ifndef NO_SLOW_LINK_SUPPORT 31#include <sys/utsname.h>
31# include <sys/socket.h> 32#include <sys/socket.h>
32# 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#if 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",
33#endif 92# endif
93#endif
94};
95
96/////////////////////////////////////////////////////////////////////////////
34 97
35refcounted::refcounted (const char *id) 98refcounted::refcounted (const char *id)
36{ 99{
37 this->id = strdup (id); 100 this->id = strdup (id);
38} 101}
… …
47{ 110{
48 for (T **i = this->begin (); i < this->end (); ++i) 111 for (T **i = this->begin (); i < this->end (); ++i)
49 { 112 {
50 if (!strcmp (id, (*i)->id)) 113 if (!strcmp (id, (*i)->id))
51 { 114 {
52 (*i)->referenced++; 115 ++(*i)->referenced;
116 (*i)->ref_next ();
53 return *i; 117 return *i;
54 } 118 }
55 } 119 }
56 120
57 T *obj = new T (id); 121 T *obj = new T (id);
58 122
59 obj->referenced = 1;
60
61 if (obj && obj->init ()) 123 if (obj && obj->ref_init ())
62 { 124 {
125 obj->referenced = 1;
63 this->push_back (obj); 126 this->push_back (obj);
64 return obj; 127 return obj;
65 } 128 }
66 else 129 else
67 { 130 {
… …
90 put (*this->begin ()); 153 put (*this->begin ());
91} 154}
92 155
93///////////////////////////////////////////////////////////////////////////// 156/////////////////////////////////////////////////////////////////////////////
94 157
95#ifdef USE_XIM 158#if USE_XIM
159
96static void 160static void
97#if XIMCB_PROTO_BROKEN 161#if XIMCB_PROTO_BROKEN
98im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) 162im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3)
99#else 163#else
100im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3) 164im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3)
… …
107 171
108 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim)); 172 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim));
109 display->im_change_cb (); 173 display->im_change_cb ();
110} 174}
111 175
176bool
112bool rxvt_xim::init () 177rxvt_xim::ref_init ()
113{ 178{
114 display = GET_R->display; //HACK: TODO 179 display = GET_R->display; //HACK: TODO
115 180
116 xim = XOpenIM (display->display, NULL, NULL, NULL); 181 xim = XOpenIM (display->dpy, 0, 0, 0);
117 182
118 if (!xim) 183 if (!xim)
119 return false; 184 return false;
120 185
121 XIMCallback ximcallback; 186 XIMCallback ximcallback;
122 ximcallback.client_data = (XPointer)this; 187 ximcallback.client_data = (XPointer)this;
123 ximcallback.callback = im_destroy_cb; 188 ximcallback.callback = im_destroy_cb;
124 189
125 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); 190 XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
126 191
127 return true; 192 return true;
128} 193}
129 194
130rxvt_xim::~rxvt_xim () 195rxvt_xim::~rxvt_xim ()
131{ 196{
132 if (xim) 197 if (xim)
133 XCloseIM (xim); 198 XCloseIM (xim);
134} 199}
200
135#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
265#if ENABLE_FRILLS
266
267void
268rxvt_screen::select_visual (int id)
269{
270 XVisualInfo vinfo;
271 vinfo.visualid = id;
272 int n;
273
274 if (XVisualInfo *vi = XGetVisualInfo (dpy, VisualIDMask, &vinfo, &n))
275 {
276 depth = vi->depth;
277 visual = vi->visual;
278
279 XFree (vi);
280
281 cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
282 }
283 else
284 rxvt_warn ("cannot requested visual id 0x%02x, using default visual.\n", id);
285}
286
287void
288rxvt_screen::select_depth (int bitdepth)
289{
290 XVisualInfo vinfo;
291
292 if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
293 select_visual (vinfo.visualid);
294 else
295 rxvt_warn ("no visual found for requested depth %d, using default visual.\n", bitdepth);
296}
297
298#endif
299
300void
301rxvt_screen::clear ()
302{
303#if XFT
304 if (scratch_area)
305 {
306 XFreePixmap (dpy, scratch_area->drawable);
307 delete scratch_area;
308 }
309#endif
310
311 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
312 XFreeColormap (dpy, cmap);
313}
136 314
137///////////////////////////////////////////////////////////////////////////// 315/////////////////////////////////////////////////////////////////////////////
138 316
139rxvt_display::rxvt_display (const char *id) 317rxvt_display::rxvt_display (const char *id)
140: refcounted (id) 318: refcounted (id)
141, x_ev (this, &rxvt_display::x_cb)
142, selection_owner (0) 319, selection_owner (0)
320, clipboard_owner (0)
143{ 321{
322 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
323 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
144} 324}
145 325
326XrmDatabase
327rxvt_display::get_resources (bool refresh)
328{
329 char *homedir = getenv ("HOME");
330 char fname[1024];
331
332 /*
333 * get resources using the X library function
334 */
335 char *displayResource, *xe;
336 XrmDatabase rdb1, database = 0;
337
338#if !XLIB_ILLEGAL_ACCESS
339 /* work around a bug in XrmSetDatabase where it frees the db, see ref_next */
340 database = XrmGetStringDatabase ("");
341#endif
342
343 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
344 // as opposed to "standard practise", we always read in ~/.Xdefaults
345
346 // 6. System wide per application default file.
347
348 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
349 if ((xe = getenv ("XAPPLRESDIR")))
350 {
351 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
352
353 if ((rdb1 = XrmGetFileDatabase (fname)))
354 XrmMergeDatabases (rdb1, &database);
355 }
356
357 // 5. User's per application default file.
358 // none
359
360 // 4. User's defaults file.
361 if (homedir)
362 {
363 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
364
365 if ((rdb1 = XrmGetFileDatabase (fname)))
366 XrmMergeDatabases (rdb1, &database);
367 }
368
369 /* Get any Xserver defaults */
370 if (refresh)
371 {
372 // fucking xlib keeps a copy of the rm string
373 Atom actual_type;
374 int actual_format;
375 unsigned long nitems, nremaining;
376 char *val = 0;
377
378#if XLIB_ILLEGAL_ACCESS
379 if (dpy->xdefaults)
380 XFree (dpy->xdefaults);
381#endif
382
383 if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
384 0L, 100000000L, False,
385 XA_STRING, &actual_type, &actual_format,
386 &nitems, &nremaining,
387 (unsigned char **)&val) == Success
388 && actual_type == XA_STRING
389 && actual_format == 8)
390 displayResource = val;
391 else
392 {
393 displayResource = 0;
394
395 if (val)
396 XFree (val);
397 }
398
399#if XLIB_ILLEGAL_ACCESS
400 dpy->xdefaults = displayResource;
401#endif
402 }
403 else
404 displayResource = XResourceManagerString (dpy);
405
406 if (displayResource)
407 {
408 if ((rdb1 = XrmGetStringDatabase (displayResource)))
409 XrmMergeDatabases (rdb1, &database);
410 }
411
412#if !XLIB_ILLEGAL_ACCESS
413 if (refresh && displayResource)
414 XFree (displayResource);
415#endif
416
417 /* Get screen specific resources */
418 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
419
420 if (displayResource)
421 {
422 if ((rdb1 = XrmGetStringDatabase (displayResource)))
423 /* Merge with screen-independent resources */
424 XrmMergeDatabases (rdb1, &database);
425
426 XFree (displayResource);
427 }
428
429 // 3. User's per host defaults file
430 /* Add in XENVIRONMENT file */
431 if ((xe = getenv ("XENVIRONMENT"))
432 && (rdb1 = XrmGetFileDatabase (xe)))
433 XrmMergeDatabases (rdb1, &database);
434 else if (homedir)
435 {
436 struct utsname un;
437
438 if (!uname (&un))
439 {
440 snprintf (fname, sizeof (fname), "%s/.Xdefaults-%s", homedir, un.nodename);
441
442 if ((rdb1 = XrmGetFileDatabase (fname)))
443 XrmMergeDatabases (rdb1, &database);
444 }
445 }
446
447 return database;
448}
449
146bool rxvt_display::init () 450bool rxvt_display::ref_init ()
147{ 451{
148#ifdef LOCAL_X_IS_UNIX 452#ifdef LOCAL_X_IS_UNIX
149 if (id[0] == ':') 453 if (id[0] == ':')
150 { 454 {
151 val = rxvt_malloc (5 + strlen (id) + 1); 455 char *val = rxvt_temp_buf<char> (5 + strlen (id) + 1);
456
152 strcpy (val, "unix/"); 457 strcpy (val, "unix/");
153 strcat (val, id); 458 strcat (val, id);
459
154 display = XOpenDisplay (val); 460 dpy = XOpenDisplay (val);
155 free (val);
156 } 461 }
157 else 462 else
158#endif 463#endif
159 display = 0; 464 dpy = 0;
160 465
161 if (!display) 466 if (!dpy)
162 display = XOpenDisplay (id); 467 dpy = XOpenDisplay (id);
163 468
164 if (!display) 469 if (!dpy)
165 return false; 470 return false;
166 471
167 screen = DefaultScreen (display); 472 screen = DefaultScreen (dpy);
168 root = DefaultRootWindow (display); 473 root = DefaultRootWindow (dpy);
169 visual = DefaultVisual (display, screen);
170 cmap = DefaultColormap (display, screen);
171 depth = DefaultDepth (display, screen);
172 474
173 int fd = XConnectionNumber (display); 475 assert (ecb_array_length (xa_names) == NUM_XA);
476 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
174 477
175#ifndef NO_SLOW_LINK_SUPPORT 478 XrmSetDatabase (dpy, get_resources (false));
176 // try to detect wether we have a local connection.
177 // assume unix domains socket == local, everything else not
178 // TODO: might want to check for inet/127.0.0.1
179 is_local = 0;
180 sockaddr_un sa;
181 socklen_t sl = sizeof (sa);
182
183 if (!getsockname (fd, (sockaddr *)&sa, &sl))
184 is_local = sa.sun_family == AF_LOCAL;
185#endif
186 479
187#ifdef POINTER_BLANK 480#ifdef POINTER_BLANK
188 XColor blackcolour; 481 XColor blackcolour;
189 blackcolour.red = 0; 482 blackcolour.red = 0;
190 blackcolour.green = 0; 483 blackcolour.green = 0;
191 blackcolour.blue = 0; 484 blackcolour.blue = 0;
192 Font f = XLoadFont (display, "fixed"); 485 Font f = XLoadFont (dpy, "fixed");
193 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 486 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
194 &blackcolour, &blackcolour); 487 &blackcolour, &blackcolour);
195 XUnloadFont (display, f); 488 XUnloadFont (dpy, f);
196#endif 489#endif
197 490
198#ifdef PREFER_24BIT 491 flags = 0;
199 /* 492#if XRENDER
200 * If depth is not 24, look for a 24bit visual. 493 int major, minor;
201 */ 494 if (XRenderQueryVersion (dpy, &major, &minor))
202 if (depth != 24)
203 { 495 {
204 XVisualInfo vinfo; 496 flags |= DISPLAY_HAS_RENDER;
205 497
206 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo)) 498 if (major > 0 || (major == 0 && minor >= 10))
207 { 499 flags |= DISPLAY_HAS_RENDER_10;
208 depth = 24; 500
209 visual = vinfo.visual; 501 if (major > 0 || (major == 0 && minor >= 11))
210 cmap = XCreateColormap (display, 502 flags |= DISPLAY_HAS_RENDER_MUL;
211 RootWindow (display, screen), 503
212 visual, AllocNone); 504 XFilters *filters = XRenderQueryFilters (dpy, root);
505 if (filters)
213 } 506 {
214 } 507 for (int i = 0; i < filters->nfilter; i++)
215#endif 508 if (!strcmp (filters->filter[i], FilterConvolution))
509 flags |= DISPLAY_HAS_RENDER_CONV;
216 510
511 XFree (filters);
512 }
513 }
514#endif
515
516 int fd = XConnectionNumber (dpy);
517
518 // try to detect whether we have a local connection.
519 // assume unix domain socket == local, everything else not
520 // TODO: might want to check for inet/127.0.0.1
521 is_local = 0;
522 sockaddr_un sa;
523 socklen_t sl = sizeof (sa);
524
525 if (!getsockname (fd, (sockaddr *)&sa, &sl))
526 is_local = sa.sun_family == AF_UNIX;
527
528 flush_ev.start ();
217 x_ev.start (fd, EVENT_READ); 529 x_ev.start (fd, ev::READ);
218 fcntl (fd, F_SETFD, FD_CLOEXEC); 530 fcntl (fd, F_SETFD, FD_CLOEXEC);
219 531
220 XSelectInput (display, root, PropertyChangeMask); 532 XSelectInput (dpy, root, PropertyChangeMask);
221#ifdef USE_XIM
222 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
223#endif
224 533
225 flush (); 534 flush ();
226 535
227 return true; 536 return true;
228} 537}
229 538
539void
540rxvt_display::ref_next ()
541{
542 // TODO: somehow check whether the database files/resources changed
543 // before affording re-loading/parsing
544 XrmDestroyDatabase (XrmGetDatabase (dpy));
545#if XLIB_ILLEGAL_ACCESS
546 /* work around a bug in XrmSetDatabase where it frees the db */
547 dpy->db = 0;
548#endif
549 XrmSetDatabase (dpy, get_resources (true));
550}
551
230rxvt_display::~rxvt_display () 552rxvt_display::~rxvt_display ()
231{ 553{
554 if (!dpy)
555 return;
556
557#ifdef POINTER_BLANK
558 XFreeCursor (dpy, blank_cursor);
559#endif
232 x_ev.stop (); 560 x_ev.stop ();
561 flush_ev.stop ();
233#ifdef USE_XIM 562#if USE_XIM
234 xims.clear (); 563 xims.clear ();
235#endif 564#endif
236 565 XrmDestroyDatabase (XrmGetDatabase (dpy));
237 if (display)
238 XCloseDisplay (display); 566 XCloseDisplay (dpy);
239} 567}
240 568
241#ifdef USE_XIM 569#if USE_XIM
242void rxvt_display::im_change_cb () 570void rxvt_display::im_change_cb ()
243{ 571{
244 for (im_watcher **i = imw.begin (); i != imw.end (); ++i) 572 for (im_watcher **i = imw.begin (); i != imw.end (); ++i)
245 (*i)->call (); 573 (*i)->call ();
246} 574}
… …
251 // registers, as xlib crashes due to a race otherwise. 579 // registers, as xlib crashes due to a race otherwise.
252 Atom actual_type, *atoms; 580 Atom actual_type, *atoms;
253 int actual_format; 581 int actual_format;
254 unsigned long nitems, bytes_after; 582 unsigned long nitems, bytes_after;
255 583
256 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 584 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
257 False, XA_ATOM, &actual_type, &actual_format, 585 False, XA_ATOM, &actual_type, &actual_format,
258 &nitems, &bytes_after, (unsigned char **)&atoms) 586 &nitems, &bytes_after, (unsigned char **)&atoms)
259 != Success ) 587 != Success)
260 return; 588 return;
261 589
262 if (actual_type == XA_ATOM && actual_format == 32) 590 if (actual_type == XA_ATOM && actual_format == 32)
263 for (int i = 0; i < nitems; i++) 591 for (int i = 0; i < nitems; i++)
264 if (XGetSelectionOwner (display, atoms[i])) 592 if (XGetSelectionOwner (dpy, atoms[i]))
265 { 593 {
266 im_change_cb (); 594 im_change_cb ();
267 break; 595 break;
268 } 596 }
269 597
270 XFree (atoms); 598 XFree (atoms);
271} 599}
272#endif 600#endif
273 601
274void rxvt_display::x_cb (io_watcher &w, short revents) 602void rxvt_display::x_cb (ev::io &w, int revents)
275{ 603{
604 flush_ev.start ();
605}
606
607void rxvt_display::flush_cb (ev::prepare &w, int revents)
608{
609 while (XEventsQueued (dpy, QueuedAfterFlush))
276 do 610 do
277 { 611 {
278 XEvent xev; 612 XEvent xev;
279 XNextEvent (display, &xev); 613 XNextEvent (dpy, &xev);
280 614
281#ifdef USE_XIM 615#if USE_XIM
282 if (!XFilterEvent (&xev, None)) 616 if (!XFilterEvent (&xev, None))
283 { 617 {
284
285 if (xev.type == PropertyNotify 618 if (xev.type == PropertyNotify
286 && xev.xany.window == root 619 && xev.xany.window == root
287 && xev.xproperty.atom == xa_xim_servers) 620 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
288 im_change_check (); 621 im_change_check ();
289#endif 622#endif
623 if (xev.type == MappingNotify)
624 XRefreshKeyboardMapping (&xev.xmapping);
625
290 for (int i = xw.size (); i--; ) 626 for (int i = xw.size (); i--; )
291 { 627 {
292 if (!xw[i]) 628 if (!xw[i])
293 xw.erase_unordered (i); 629 xw.erase_unordered (i);
294 else if (xw[i]->window == xev.xany.window) 630 else if (xw[i]->window == xev.xany.window)
295 xw[i]->call (xev); 631 xw[i]->call (xev);
296 } 632 }
297#ifdef USE_XIM 633#if USE_XIM
298 } 634 }
299#endif 635#endif
300 } 636 }
301 while (XEventsQueued (display, QueuedAlready)); 637 while (XEventsQueued (dpy, QueuedAlready));
302 638
303 XFlush (display); 639 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} 640}
313 641
314void rxvt_display::reg (xevent_watcher *w) 642void rxvt_display::reg (xevent_watcher *w)
315{ 643{
644 if (!w->active)
645 {
316 xw.push_back (w); 646 xw.push_back (w);
317 w->active = xw.size (); 647 w->active = xw.size ();
648 }
318} 649}
319 650
320void rxvt_display::unreg (xevent_watcher *w) 651void rxvt_display::unreg (xevent_watcher *w)
321{ 652{
322 if (w->active) 653 if (w->active)
654 {
323 xw[w->active - 1] = 0; 655 xw[w->active - 1] = 0;
656 w->active = 0;
657 }
324} 658}
325 659
326void rxvt_display::set_selection_owner (rxvt_term *owner) 660void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
327{ 661{
662 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
663
328 if (selection_owner && selection_owner != owner) 664 if (cur_owner && cur_owner != owner)
329 selection_owner->selection_clear (); 665 {
666 rxvt_term *term = cur_owner;
667 term->selection_clear (clipboard);
668 term->flush ();
669 }
330 670
331 selection_owner = owner; 671 cur_owner = owner;
332} 672}
333 673
334#ifdef USE_XIM 674#if USE_XIM
675
335void rxvt_display::reg (im_watcher *w) 676void rxvt_display::reg (im_watcher *w)
336{ 677{
337 imw.push_back (w); 678 imw.push_back (w);
338} 679}
339 680
… …
348 int l, m; 689 int l, m;
349 690
350 l = strlen (locale); 691 l = strlen (locale);
351 m = strlen (modifiers); 692 m = strlen (modifiers);
352 693
353 if (!(id = (char *)malloc (l + m + 2))) 694 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
354 return 0; 695 return 0;
355 696
356 memcpy (id, locale, l); id[l] = '\n'; 697 memcpy (id, locale, l); id[l] = '\n';
357 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 698 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
358 699
359 rxvt_xim *xim = xims.get (id); 700 rxvt_xim *xim = xims.get (id);
360 701
361 free (id);
362
363 return xim; 702 return xim;
364} 703}
365 704
366void rxvt_display::put_xim (rxvt_xim *xim) 705void rxvt_display::put_xim (rxvt_xim *xim)
367{ 706{
368#if XLIB_IS_RACEFREE 707# if XLIB_IS_RACEFREE
369 xims.put (xim); 708 xims.put (xim);
370#endif 709# endif
371} 710}
711
372#endif 712#endif
373 713
374Atom rxvt_display::atom (const char *name) 714Atom rxvt_display::atom (const char *name)
375{ 715{
376 return XInternAtom (display, name, False); 716 return XInternAtom (dpy, name, False);
717}
718
719Pixmap
720rxvt_display::get_pixmap_property (Atom property)
721{
722 Pixmap pixmap = None;
723
724 int aformat;
725 unsigned long nitems, bytes_after;
726 Atom atype;
727 unsigned char *prop;
728 int result = XGetWindowProperty (dpy, root, property,
729 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
730 &nitems, &bytes_after, &prop);
731 if (result == Success)
732 {
733 if (atype == XA_PIXMAP)
734 pixmap = *(Pixmap *)prop;
735 XFree (prop);
736 }
737
738 return pixmap;
377} 739}
378 740
379///////////////////////////////////////////////////////////////////////////// 741/////////////////////////////////////////////////////////////////////////////
380 742
381template class refcache<rxvt_display>; 743template class refcache<rxvt_display>;
382refcache<rxvt_display> displays; 744refcache<rxvt_display> displays;
383 745
384///////////////////////////////////////////////////////////////////////////// 746/////////////////////////////////////////////////////////////////////////////
385 747//
748
749static unsigned int
750insert_component (unsigned int value, unsigned int mask, unsigned int shift)
751{
752 return (value * (mask + 1) >> 16) << shift;
753}
754
386bool 755bool
387rxvt_color::set (rxvt_display *display, Pixel p) 756rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
388{ 757{
758 //TODO: only supports 24 bit
759 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
760
389#if XFT 761#if XFT
390 XColor xc; 762 XRenderPictFormat *format;
391 763
392 xc.pixel = p; 764 // FUCKING Xft gets it wrong, of course, so work around it.
393 if (!XQueryColor (display->display, display->cmap, &xc)) 765 // Transparency users should eat shit and die, and then
394 return false; 766 // XRenderQueryPictIndexValues themselves plenty.
767 if ((screen->visual->c_class == TrueColor)
768 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
769 {
770 // the fun lies in doing everything manually...
771 c.color.red = color.r;
772 c.color.green = color.g;
773 c.color.blue = color.b;
774 c.color.alpha = alpha;
395 775
776 // Xft wants premultiplied alpha, but abuses the alpha channel
777 // as blend factor, and doesn't allow us to set the alpha channel
778 c.color.red = c.color.red * alpha / 0xffff;
779 c.color.green = c.color.green * alpha / 0xffff;
780 c.color.blue = c.color.blue * alpha / 0xffff;
781
782 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
783 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
784 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
785 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
786
787 return true;
788 }
789 else
790 {
396 XRenderColor d; 791 XRenderColor d;
397 792
398 d.red = xc.red; 793 d.red = color.r;
399 d.green = xc.green; 794 d.green = color.g;
400 d.blue = xc.blue; 795 d.blue = color.b;
401 d.alpha = 0xffff; 796 d.alpha = alpha;
402 797
403 return 798 if (XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c))
404 XftColorAllocValue (display->display, 799 return true;
405 display->visual, 800 }
406 display->cmap,
407 &d, &c);
408#else 801#else
409 this->p = p; 802 c.red = color.r;
410#endif 803 c.green = color.g;
804 c.blue = color.b;
411 805
806 if (screen->visual->c_class == TrueColor)
807 {
808 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
809 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
810 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
811
812 return true;
813 }
814 else if (XAllocColor (screen->dpy, screen->cmap, &c))
412 return true; 815 return true;
816#endif
817
818 c.pixel = (color.r + color.g + color.b) > 128*3
819 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
820 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
821
822 return false;
413} 823}
414 824
415bool 825bool
416rxvt_color::set (rxvt_display *display, const char *name) 826rxvt_color::set (rxvt_screen *screen, const char *name)
827{
828 rgba c;
829 char eos;
830 int skip;
831
832 c.a = rgba::MAX_CC;
833
834 // parse the nonstandard "[alphapercent]" prefix
835 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
836 {
837 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
838 name += skip;
839 }
840
841 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
842 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
843 {
844 XColor xc;
845
846 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
847 {
848 c.r = xc.red;
849 c.g = xc.green;
850 c.b = xc.blue;
851 }
852 else
853 {
854 c.r = 0xffff;
855 c.g = 0x6969;
856 c.b = 0xb4b4;
857
858 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
859 }
860 }
861
862 return set (screen, c);
863}
864
865bool
866rxvt_color::set (rxvt_screen *screen, const rgba &color)
867{
868 bool got = alloc (screen, color);
869
870#if !ENABLE_MINIMAL
871 int cmap_size = screen->visual->map_entries;
872
873 if (!got
874 && screen->visual->c_class == PseudoColor
875 && cmap_size < 4096)
876 {
877 XColor *colors = new XColor [screen->visual->map_entries];
878
879 for (int i = 0; i < cmap_size; i++)
880 colors [i].pixel = i;
881
882 // many kilobytes transfer per colour, but pseudocolor isn't worth
883 // many extra optimisations.
884 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
885
886 int diff = 0x7fffffffUL;
887 XColor *best = colors;
888
889 for (int i = 0; i < cmap_size; i++)
890 {
891 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
892 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
893 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
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)\n",
903 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
904
905 got = alloc (screen, rgba (best->red, best->green, best->blue));
906
907 delete [] colors;
908 }
909#endif
910
911 return got;
912}
913
914void
915rxvt_color::get (rgba &color) const
417{ 916{
418#if XFT 917#if XFT
419 return XftColorAllocName (display->display, display->visual, display->cmap, 918 color.r = c.color.red;
420 name, &c); 919 color.g = c.color.green;
920 color.b = c.color.blue;
921 color.a = c.color.alpha;
421#else 922#else
422 XColor xc; 923 color.r = c.red;
924 color.g = c.green;
925 color.b = c.blue;
926 color.a = rgba::MAX_CC;
927#endif
928}
423 929
424 if (XParseColor (display->display, display->cmap, name, &xc)) 930void
425 return set (display, xc.red, xc.green, xc.blue); 931rxvt_color::get (XColor &color) const
932{
933 rgba c;
934 get (c);
935
936 color.red = c.r;
937 color.green = c.g;
938 color.blue = c.b;
939 color.pixel = (Pixel)*this;
940}
941
942void
943rxvt_color::free (rxvt_screen *screen)
944{
945 if (screen->visual->c_class == TrueColor)
946 return; // nothing to do
947
948#if XFT
949 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
950#else
951 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
952#endif
953}
954
955void
956rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
957{
958 rgba c;
959 get (c);
960
961 result.set (
962 screen,
963 rgba (
964 lerp (c.r, to.r, percent),
965 lerp (c.g, to.g, percent),
966 lerp (c.b, to.b, percent),
967 lerp (c.a, to.a, percent)
968 )
969 );
970}
971
972rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
973: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
974{
975 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
976
977 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
978 timer_ev.repeat = 10.;
979 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
980
981 incr_buf = 0;
982 incr_buf_size = incr_buf_fill = 0;
983 selection_wait = Sel_normal;
984 selection_type = selnum;
985 cb_sv = 0;
986}
987
988void
989rxvt_selection::stop ()
990{
991 free (incr_buf);
992 incr_buf = 0;
993 timer_ev.stop ();
994 x_ev.stop (display);
995}
996
997rxvt_selection::~rxvt_selection ()
998{
999 stop ();
1000}
1001
1002void
1003rxvt_selection::run ()
1004{
1005 int selnum = selection_type;
1006
1007#if ENABLE_FRILLS
1008 if (selnum == Sel_Primary && display->selection_owner)
1009 {
1010 /* internal selection */
1011 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
1012 finish (str, strlen (str));
1013 free (str);
1014 return;
1015 }
1016#endif
1017
1018#if X_HAVE_UTF8_STRING
1019 selection_type = Sel_UTF8String;
1020 if (request (display->xa[XA_UTF8_STRING], selnum))
1021 return;
1022#else
1023 selection_type = Sel_CompoundText;
1024 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
1025 return;
1026#endif
1027
1028 // fallback to CUT_BUFFER0 if the requested property has no owner
1029 handle_selection (display->root, XA_CUT_BUFFER0, false);
1030}
1031
1032void
1033rxvt_selection::finish (char *data, unsigned int len)
1034{
1035 if (!cb_sv)
1036 {
1037 if (data)
1038 term->paste (data, len);
1039
1040 term->selection_req = 0;
1041 delete this;
1042 }
1043#if ENABLE_PERL
1044 else
1045 {
1046 stop (); // we do not really trust perl callbacks
1047 rxvt_perl.selection_finish (this, data, len);
1048 }
1049#endif
1050}
1051
1052bool
1053rxvt_selection::request (Atom target, int selnum)
1054{
1055 Atom sel;
1056
1057 selection_type |= selnum;
1058
1059 if (selnum == Sel_Primary)
1060 sel = XA_PRIMARY;
1061 else if (selnum == Sel_Secondary)
1062 sel = XA_SECONDARY;
1063 else
1064 sel = display->xa[XA_CLIPBOARD];
1065
1066 if (XGetSelectionOwner (display->dpy, sel) != None)
1067 {
1068 XConvertSelection (display->dpy, sel, target, request_prop,
1069 request_win, request_time);
1070 x_ev.start (display, request_win);
1071 timer_ev.again ();
1072 return true;
1073 }
426 1074
427 return false; 1075 return false;
428#endif
429} 1076}
430 1077
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 1078void
448rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 1079rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
449{ 1080{
450#if XFT 1081 Display *dpy = display->dpy;
451 cr = c.color.red; 1082 char *data = 0;
452 cg = c.color.green; 1083 unsigned int data_len = 0;
453 cb = c.color.blue; 1084 unsigned long bytes_after;
454#else 1085 XTextProperty ct;
455 XColor c;
456 1086
457 c.pixel = p; 1087 // check for failed XConvertSelection
458 XQueryColor (display->display, display->cmap, &c); 1088 if (prop == None)
1089 {
1090 bool error = true;
1091 int selnum = selection_type & Sel_whereMask;
459 1092
460 cr = c.red; 1093 if (selection_type & Sel_CompoundText)
461 cg = c.green; 1094 {
462 cb = c.blue; 1095 selection_type = 0;
463#endif 1096 error = !request (XA_STRING, selnum);
464} 1097 }
465 1098
1099 if (selection_type & Sel_UTF8String)
1100 {
1101 selection_type = Sel_CompoundText;
1102 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1103 }
1104
1105 if (error)
1106 {
1107 ct.value = 0;
1108 goto bailout;
1109 }
1110
1111 return;
1112 }
1113
1114 // length == (2^31 - 1) / 4, as gdk
1115 if (XGetWindowProperty (dpy, win, prop,
1116 0, 0x1fffffff,
1117 delete_prop, AnyPropertyType,
1118 &ct.encoding, &ct.format,
1119 &ct.nitems, &bytes_after,
1120 &ct.value) != Success)
1121 {
1122 ct.value = 0;
1123 goto bailout;
1124 }
1125
1126 if (ct.encoding == None)
1127 goto bailout;
1128
1129 if (ct.value == 0)
1130 goto bailout;
1131
1132 if (ct.encoding == display->xa[XA_INCR])
1133 {
1134 // INCR selection, start handshake
1135 if (!delete_prop)
1136 XDeleteProperty (dpy, win, prop);
1137
1138 selection_wait = Sel_incr;
1139 timer_ev.again ();
1140
1141 goto bailout;
1142 }
1143
1144 if (ct.nitems == 0)
1145 {
1146 if (selection_wait == Sel_incr)
1147 {
1148 XFree (ct.value);
1149
1150 // finally complete, now paste the whole thing
1151 selection_wait = Sel_normal;
1152 ct.value = (unsigned char *)incr_buf;
1153 ct.nitems = incr_buf_fill;
1154 incr_buf = 0;
1155 timer_ev.stop ();
1156 }
1157 else
1158 {
1159 // avoid recursion
1160 if (win != display->root || prop != XA_CUT_BUFFER0)
1161 {
1162 XFree (ct.value);
1163
1164 // fallback to CUT_BUFFER0 if the requested property
1165 // has an owner but is empty
1166 handle_selection (display->root, XA_CUT_BUFFER0, False);
1167 return;
1168 }
1169
1170 goto bailout;
1171 }
1172 }
1173 else if (selection_wait == Sel_incr)
1174 {
1175 timer_ev.again ();
1176
1177 while (incr_buf_fill + ct.nitems > incr_buf_size)
1178 {
1179 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1180 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1181 }
1182
1183 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1184 incr_buf_fill += ct.nitems;
1185
1186 goto bailout;
1187 }
1188
1189 char **cl;
1190 int cr;
1191
1192 // we honour the first item only
1193
1194#if !ENABLE_MINIMAL
1195 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1196 // so recode it manually
1197 if (ct.encoding == display->xa[XA_UTF8_STRING])
1198 {
1199 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1200 data = rxvt_wcstombs (w);
1201 free (w);
1202 }
1203 else
1204#endif
1205 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1206 && cl)
1207 {
1208 data = strdup (cl[0]);
1209 XFreeStringList (cl);
1210 }
1211 else
1212 {
1213 // paste raw
1214 data = strdup ((const char *)ct.value);
1215 }
1216
1217 data_len = strlen (data);
1218
1219bailout:
1220 XFree (ct.value);
1221
1222 if (selection_wait == Sel_normal)
1223 {
1224 finish (data, data_len);
1225 free (data);
1226 }
1227}
1228
466void 1229void
467rxvt_color::free (rxvt_display *display) 1230rxvt_selection::timer_cb (ev::timer &w, int revents)
468{ 1231{
469#if XFT 1232 if (selection_wait == Sel_incr)
470 XftColorFree (display->display, display->visual, display->cmap, &c); 1233 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 1234
476rxvt_color 1235 finish ();
477rxvt_color::fade (rxvt_display *display, int percent)
478{
479 percent = 100 - percent;
480
481 unsigned short cr, cg, cb;
482 rxvt_color faded;
483
484 get (display, cr, cg, cb);
485
486 faded.set (
487 display,
488 cr * percent / 100,
489 cg * percent / 100,
490 cb * percent / 100
491 );
492
493 return faded;
494} 1236}
495 1237
496#define LERP(a,b,p) (a * p + b * (100 - p)) / 100 1238void
497 1239rxvt_selection::x_cb (XEvent &xev)
498rxvt_color
499rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
500{ 1240{
501 percent = 100 - percent; 1241 switch (xev.type)
1242 {
1243 case PropertyNotify:
1244 if (selection_wait == Sel_incr
1245 && xev.xproperty.atom == request_prop
1246 && xev.xproperty.state == PropertyNewValue)
1247 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1248 break;
502 1249
503 unsigned short cr, cg, cb; 1250 case SelectionNotify:
504 unsigned short fcr, fcg, fcb; 1251 if (selection_wait == Sel_normal
505 rxvt_color faded; 1252 && xev.xselection.time == request_time)
506 1253 {
507 get (display, cr, cg, cb); 1254 timer_ev.stop ();
508 fadeto.get(display, fcr, fcg, fcb); 1255 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
509 1256 }
510 faded.set ( 1257 break;
511 display, 1258 }
512 LERP (cr, fcr, percent),
513 LERP (cg, fcg, percent),
514 LERP (cb, fcb, percent)
515 );
516
517 return faded;
518} 1259}
519

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