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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.21 by root, Sun Jan 8 07:55:36 2006 UTC vs.
Revision 1.129 by sf-exg, Mon Jan 2 19:30:50 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#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",
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 {
… …
91} 154}
92 155
93///////////////////////////////////////////////////////////////////////////// 156/////////////////////////////////////////////////////////////////////////////
94 157
95#ifdef USE_XIM 158#ifdef 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
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}
136 294
137///////////////////////////////////////////////////////////////////////////// 295/////////////////////////////////////////////////////////////////////////////
138 296
139rxvt_display::rxvt_display (const char *id) 297rxvt_display::rxvt_display (const char *id)
140: refcounted (id) 298: refcounted (id)
141, x_ev (this, &rxvt_display::x_cb)
142, selection_owner (0) 299, selection_owner (0)
300, clipboard_owner (0)
143{ 301{
302 x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
303 flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
144} 304}
145 305
306XrmDatabase
307rxvt_display::get_resources (bool refresh)
308{
309 char *homedir = getenv ("HOME");
310 char fname[1024];
311
312 /*
313 * get resources using the X library function
314 */
315 char *displayResource, *xe;
316 XrmDatabase rdb1, database = 0;
317
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
322
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
325
326 // 6. System wide per application default file.
327
328 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
329 if ((xe = getenv ("XAPPLRESDIR")))
330 {
331 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
332
333 if ((rdb1 = XrmGetFileDatabase (fname)))
334 XrmMergeDatabases (rdb1, &database);
335 }
336
337 // 5. User's per application default file.
338 // none
339
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
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
384 displayResource = XResourceManagerString (dpy);
385
386 if (displayResource)
387 {
388 if ((rdb1 = XrmGetStringDatabase (displayResource)))
389 XrmMergeDatabases (rdb1, &database);
390 }
391
392#if !XLIB_ILLEGAL_ACCESS
393 if (refresh && displayResource)
394 XFree (displayResource);
395#endif
396
397 /* Get screen specific resources */
398 displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
399
400 if (displayResource)
401 {
402 if ((rdb1 = XrmGetStringDatabase (displayResource)))
403 /* Merge with screen-independent resources */
404 XrmMergeDatabases (rdb1, &database);
405
406 XFree (displayResource);
407 }
408
409 // 3. User's per host defaults file
410 /* Add in XENVIRONMENT file */
411 if ((xe = getenv ("XENVIRONMENT"))
412 && (rdb1 = XrmGetFileDatabase (xe)))
413 XrmMergeDatabases (rdb1, &database);
414 else if (homedir)
415 {
416 struct utsname un;
417
418 if (!uname (&un))
419 {
420 snprintf (fname, sizeof (fname), "%s/.Xdefaults-%s", homedir, un.nodename);
421
422 if ((rdb1 = XrmGetFileDatabase (fname)))
423 XrmMergeDatabases (rdb1, &database);
424 }
425 }
426
427 return database;
428}
429
146bool rxvt_display::init () 430bool rxvt_display::ref_init ()
147{ 431{
148#ifdef LOCAL_X_IS_UNIX 432#ifdef LOCAL_X_IS_UNIX
149 if (id[0] == ':') 433 if (id[0] == ':')
150 { 434 {
151 val = rxvt_malloc (5 + strlen (id) + 1); 435 if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
436 return false;
152 strcpy (val, "unix/"); 437 strcpy (val, "unix/");
153 strcat (val, id); 438 strcat (val, id);
154 display = XOpenDisplay (val); 439 dpy = XOpenDisplay (val);
155 free (val);
156 } 440 }
157 else 441 else
158#endif 442#endif
159 display = 0; 443 dpy = 0;
160 444
161 if (!display) 445 if (!dpy)
162 display = XOpenDisplay (id); 446 dpy = XOpenDisplay (id);
163 447
164 if (!display) 448 if (!dpy)
165 return false; 449 return false;
166 450
167 screen = DefaultScreen (display); 451 screen = DefaultScreen (dpy);
168 root = DefaultRootWindow (display); 452 root = DefaultRootWindow (dpy);
169 visual = DefaultVisual (display, screen);
170 cmap = DefaultColormap (display, screen);
171 depth = DefaultDepth (display, screen);
172 453
173 int fd = XConnectionNumber (display); 454 assert (ecb_array_length (xa_names) == NUM_XA);
455 XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
174 456
175#ifndef NO_SLOW_LINK_SUPPORT 457 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
186 458
187#ifdef POINTER_BLANK 459#ifdef POINTER_BLANK
188 XColor blackcolour; 460 XColor blackcolour;
189 blackcolour.red = 0; 461 blackcolour.red = 0;
190 blackcolour.green = 0; 462 blackcolour.green = 0;
191 blackcolour.blue = 0; 463 blackcolour.blue = 0;
192 Font f = XLoadFont (display, "fixed"); 464 Font f = XLoadFont (dpy, "fixed");
193 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', 465 blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
194 &blackcolour, &blackcolour); 466 &blackcolour, &blackcolour);
195 XUnloadFont (display, f); 467 XUnloadFont (dpy, f);
196#endif 468#endif
197 469
198#ifdef PREFER_24BIT 470 int fd = XConnectionNumber (dpy);
199 /*
200 * If depth is not 24, look for a 24bit visual.
201 */
202 if (depth != 24)
203 {
204 XVisualInfo vinfo;
205 471
206 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo)) 472 // try to detect whether we have a local connection.
207 { 473 // assume unix domain socket == local, everything else not
208 depth = 24; 474 // TODO: might want to check for inet/127.0.0.1
209 visual = vinfo.visual; 475 is_local = 0;
210 cmap = XCreateColormap (display, 476 sockaddr_un sa;
211 RootWindow (display, screen), 477 socklen_t sl = sizeof (sa);
212 visual, AllocNone);
213 }
214 }
215#endif
216 478
479 if (!getsockname (fd, (sockaddr *)&sa, &sl))
480 is_local = sa.sun_family == AF_UNIX;
481
482 flush_ev.start ();
217 x_ev.start (fd, EVENT_READ); 483 x_ev.start (fd, ev::READ);
218 fcntl (fd, F_SETFD, FD_CLOEXEC); 484 fcntl (fd, F_SETFD, FD_CLOEXEC);
219 485
220 XSelectInput (display, root, PropertyChangeMask); 486 XSelectInput (dpy, root, PropertyChangeMask);
221#ifdef USE_XIM
222 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
223#endif
224 487
225 flush (); 488 flush ();
226 489
227 return true; 490 return true;
228} 491}
229 492
493void
494rxvt_display::ref_next ()
495{
496 // TODO: somehow check whether the database files/resources changed
497 // before affording re-loading/parsing
498 XrmDestroyDatabase (XrmGetDatabase (dpy));
499#if XLIB_ILLEGAL_ACCESS
500 /* work around a bug in XrmSetDatabase where it frees the db */
501 dpy->db = 0;
502#endif
503 XrmSetDatabase (dpy, get_resources (true));
504}
505
230rxvt_display::~rxvt_display () 506rxvt_display::~rxvt_display ()
231{ 507{
508 if (!dpy)
509 return;
510
232#ifdef POINTER_BLANK 511#ifdef POINTER_BLANK
233 XFreeCursor (display, blank_cursor); 512 XFreeCursor (dpy, blank_cursor);
234#endif 513#endif
235 x_ev.stop (); 514 x_ev.stop ();
515 flush_ev.stop ();
236#ifdef USE_XIM 516#ifdef USE_XIM
237 xims.clear (); 517 xims.clear ();
238#endif 518#endif
239 519 XrmDestroyDatabase (XrmGetDatabase (dpy));
240 if (display)
241 XCloseDisplay (display); 520 XCloseDisplay (dpy);
242} 521}
243 522
244#ifdef USE_XIM 523#ifdef USE_XIM
245void rxvt_display::im_change_cb () 524void rxvt_display::im_change_cb ()
246{ 525{
… …
254 // registers, as xlib crashes due to a race otherwise. 533 // registers, as xlib crashes due to a race otherwise.
255 Atom actual_type, *atoms; 534 Atom actual_type, *atoms;
256 int actual_format; 535 int actual_format;
257 unsigned long nitems, bytes_after; 536 unsigned long nitems, bytes_after;
258 537
259 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 538 if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
260 False, XA_ATOM, &actual_type, &actual_format, 539 False, XA_ATOM, &actual_type, &actual_format,
261 &nitems, &bytes_after, (unsigned char **)&atoms) 540 &nitems, &bytes_after, (unsigned char **)&atoms)
262 != Success ) 541 != Success)
263 return; 542 return;
264 543
265 if (actual_type == XA_ATOM && actual_format == 32) 544 if (actual_type == XA_ATOM && actual_format == 32)
266 for (int i = 0; i < nitems; i++) 545 for (int i = 0; i < nitems; i++)
267 if (XGetSelectionOwner (display, atoms[i])) 546 if (XGetSelectionOwner (dpy, atoms[i]))
268 { 547 {
269 im_change_cb (); 548 im_change_cb ();
270 break; 549 break;
271 } 550 }
272 551
273 XFree (atoms); 552 XFree (atoms);
274} 553}
275#endif 554#endif
276 555
277void rxvt_display::x_cb (io_watcher &w, short revents) 556void rxvt_display::x_cb (ev::io &w, int revents)
278{ 557{
558 flush_ev.start ();
559}
560
561void rxvt_display::flush_cb (ev::prepare &w, int revents)
562{
563 while (XEventsQueued (dpy, QueuedAfterFlush))
279 do 564 do
280 { 565 {
281 XEvent xev; 566 XEvent xev;
282 XNextEvent (display, &xev); 567 XNextEvent (dpy, &xev);
283 568
284#ifdef USE_XIM 569#ifdef USE_XIM
285 if (!XFilterEvent (&xev, None)) 570 if (!XFilterEvent (&xev, None))
286 { 571 {
287 if (xev.type == PropertyNotify 572 if (xev.type == PropertyNotify
288 && xev.xany.window == root 573 && xev.xany.window == root
289 && xev.xproperty.atom == xa_xim_servers) 574 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
290 im_change_check (); 575 im_change_check ();
291#endif 576#endif
577 if (xev.type == MappingNotify)
578 XRefreshKeyboardMapping (&xev.xmapping);
579
292 for (int i = xw.size (); i--; ) 580 for (int i = xw.size (); i--; )
293 { 581 {
294 if (!xw[i]) 582 if (!xw[i])
295 xw.erase_unordered (i); 583 xw.erase_unordered (i);
296 else if (xw[i]->window == xev.xany.window) 584 else if (xw[i]->window == xev.xany.window)
297 xw[i]->call (xev); 585 xw[i]->call (xev);
298 } 586 }
299#ifdef USE_XIM 587#ifdef USE_XIM
300 } 588 }
301#endif 589#endif
302 } 590 }
303 while (XEventsQueued (display, QueuedAlready)); 591 while (XEventsQueued (dpy, QueuedAlready));
304 592
305 XFlush (display); 593 w.stop ();
306}
307
308void rxvt_display::flush ()
309{
310 if (XEventsQueued (display, QueuedAlready))
311 x_cb (x_ev, EVENT_READ);
312
313 XFlush (display);
314} 594}
315 595
316void rxvt_display::reg (xevent_watcher *w) 596void rxvt_display::reg (xevent_watcher *w)
317{ 597{
598 if (!w->active)
599 {
318 xw.push_back (w); 600 xw.push_back (w);
319 w->active = xw.size (); 601 w->active = xw.size ();
602 }
320} 603}
321 604
322void rxvt_display::unreg (xevent_watcher *w) 605void rxvt_display::unreg (xevent_watcher *w)
323{ 606{
324 if (w->active) 607 if (w->active)
608 {
325 xw[w->active - 1] = 0; 609 xw[w->active - 1] = 0;
610 w->active = 0;
611 }
326} 612}
327 613
328void rxvt_display::set_selection_owner (rxvt_term *owner) 614void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
329{ 615{
616 rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
617
330 if (selection_owner && selection_owner != owner) 618 if (cur_owner && cur_owner != owner)
331 selection_owner->selection_clear (); 619 {
620 rxvt_term *term = cur_owner;
621 term->selection_clear (clipboard);
622 term->flush ();
623 }
332 624
333 selection_owner = owner; 625 cur_owner = owner;
334} 626}
335 627
336#ifdef USE_XIM 628#ifdef USE_XIM
629
337void rxvt_display::reg (im_watcher *w) 630void rxvt_display::reg (im_watcher *w)
338{ 631{
339 imw.push_back (w); 632 imw.push_back (w);
340} 633}
341 634
… …
350 int l, m; 643 int l, m;
351 644
352 l = strlen (locale); 645 l = strlen (locale);
353 m = strlen (modifiers); 646 m = strlen (modifiers);
354 647
355 if (!(id = (char *)malloc (l + m + 2))) 648 if (!(id = rxvt_temp_buf<char> (l + m + 2)))
356 return 0; 649 return 0;
357 650
358 memcpy (id, locale, l); id[l] = '\n'; 651 memcpy (id, locale, l); id[l] = '\n';
359 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; 652 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
360 653
361 rxvt_xim *xim = xims.get (id); 654 rxvt_xim *xim = xims.get (id);
362 655
363 free (id);
364
365 return xim; 656 return xim;
366} 657}
367 658
368void rxvt_display::put_xim (rxvt_xim *xim) 659void rxvt_display::put_xim (rxvt_xim *xim)
369{ 660{
370#if XLIB_IS_RACEFREE 661# if XLIB_IS_RACEFREE
371 xims.put (xim); 662 xims.put (xim);
372#endif 663# endif
373} 664}
665
374#endif 666#endif
375 667
376Atom rxvt_display::atom (const char *name) 668Atom rxvt_display::atom (const char *name)
377{ 669{
378 return XInternAtom (display, name, False); 670 return XInternAtom (dpy, name, False);
379} 671}
380 672
381///////////////////////////////////////////////////////////////////////////// 673/////////////////////////////////////////////////////////////////////////////
382 674
383template class refcache<rxvt_display>; 675template class refcache<rxvt_display>;
384refcache<rxvt_display> displays; 676refcache<rxvt_display> displays;
385 677
386///////////////////////////////////////////////////////////////////////////// 678/////////////////////////////////////////////////////////////////////////////
387 679//
680
681static unsigned int
682insert_component (unsigned int value, unsigned int mask, unsigned int shift)
683{
684 return (value * (mask + 1) >> 16) << shift;
685}
686
388bool 687bool
389rxvt_color::set (rxvt_display *display, Pixel p) 688rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
390{ 689{
690 //TODO: only supports 24 bit
691 unsigned int alpha = color.a >= 0xff00 ? 0xffff : color.a;
692
391#if XFT 693#if XFT
392 XColor xc; 694 XRenderPictFormat *format;
393 695
394 xc.pixel = p; 696 // FUCKING Xft gets it wrong, of course, so work around it.
395 if (!XQueryColor (display->display, display->cmap, &xc)) 697 // Transparency users should eat shit and die, and then
396 return false; 698 // XRenderQueryPictIndexValues themselves plenty.
699 if ((screen->visual->c_class == TrueColor)
700 && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
701 {
702 // the fun lies in doing everything manually...
703 c.color.red = color.r;
704 c.color.green = color.g;
705 c.color.blue = color.b;
706 c.color.alpha = alpha;
397 707
708 // Xft wants premultiplied alpha, but abuses the alpha channel
709 // as blend factor, and doesn't allow us to set the alpha channel
710 c.color.red = c.color.red * alpha / 0xffff;
711 c.color.green = c.color.green * alpha / 0xffff;
712 c.color.blue = c.color.blue * alpha / 0xffff;
713
714 c.pixel = insert_component (c.color.red , format->direct.redMask , format->direct.red )
715 | insert_component (c.color.green, format->direct.greenMask, format->direct.green)
716 | insert_component (c.color.blue , format->direct.blueMask , format->direct.blue )
717 | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
718
719 return true;
720 }
721 else
722 {
398 XRenderColor d; 723 XRenderColor d;
399 724
400 d.red = xc.red; 725 d.red = color.r;
401 d.green = xc.green; 726 d.green = color.g;
402 d.blue = xc.blue; 727 d.blue = color.b;
403 d.alpha = 0xffff; 728 d.alpha = alpha;
404 729
405 return 730 return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
406 XftColorAllocValue (display->display, 731 }
407 display->visual,
408 display->cmap,
409 &d, &c);
410#else 732#else
411 this->p = p; 733 c.red = color.r;
412#endif 734 c.green = color.g;
735 c.blue = color.b;
413 736
737 if (screen->visual->c_class == TrueColor)
738 {
739 c.pixel = (color.r >> (16 - ecb_popcount32 (screen->visual->red_mask )) << ecb_ctz32 (screen->visual->red_mask ))
740 | (color.g >> (16 - ecb_popcount32 (screen->visual->green_mask)) << ecb_ctz32 (screen->visual->green_mask))
741 | (color.b >> (16 - ecb_popcount32 (screen->visual->blue_mask )) << ecb_ctz32 (screen->visual->blue_mask ));
742
743 return true;
744 }
745 else if (XAllocColor (screen->dpy, screen->cmap, &c))
414 return true; 746 return true;
747 else
748 c.pixel = (color.r + color.g + color.b) > 128*3
749 ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
750 : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
751#endif
752
753 return false;
415} 754}
416 755
417bool 756bool
418rxvt_color::set (rxvt_display *display, const char *name) 757rxvt_color::set (rxvt_screen *screen, const char *name)
758{
759 rgba c;
760 char eos;
761 int skip;
762
763 c.a = rgba::MAX_CC;
764
765 // parse the nonstandard "[alphapercent]" prefix
766 if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
767 {
768 c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
769 name += skip;
770 }
771
772 // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
773 if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
774 {
775 XColor xc;
776
777 if (XParseColor (screen->dpy, screen->cmap, name, &xc))
778 {
779 c.r = xc.red;
780 c.g = xc.green;
781 c.b = xc.blue;
782 }
783 else
784 {
785 c.r = 0xffff;
786 c.g = 0x6969;
787 c.b = 0xb4b4;
788
789 rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
790 }
791 }
792
793 return set (screen, c);
794}
795
796bool
797rxvt_color::set (rxvt_screen *screen, const rgba &color)
798{
799 bool got = alloc (screen, color);
800
801#if !ENABLE_MINIMAL
802 int cmap_size = screen->visual->map_entries;
803
804 if (!got
805 && screen->visual->c_class == PseudoColor
806 && cmap_size < 4096)
807 {
808 XColor *colors = new XColor [screen->visual->map_entries];
809
810 for (int i = 0; i < cmap_size; i++)
811 colors [i].pixel = i;
812
813 // many kilobytes transfer per colour, but pseudocolor isn't worth
814 // many extra optimisations.
815 XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
816
817 int diff = 0x7fffffffUL;
818 XColor *best = colors;
819
820 for (int i = 0; i < cmap_size; i++)
821 {
822 int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
823 + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
824 + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
825
826 if (d < diff)
827 {
828 diff = d;
829 best = colors + i;
830 }
831 }
832
833 //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
834 // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
835
836 got = alloc (screen, rgba (best->red, best->green, best->blue));
837
838 delete [] colors;
839 }
840#endif
841
842 return got;
843}
844
845void
846rxvt_color::get (rgba &color)
419{ 847{
420#if XFT 848#if XFT
421 return XftColorAllocName (display->display, display->visual, display->cmap, 849 color.r = c.color.red;
422 name, &c); 850 color.g = c.color.green;
851 color.b = c.color.blue;
852 color.a = c.color.alpha;
423#else 853#else
424 XColor xc; 854 color.r = c.red;
855 color.g = c.green;
856 color.b = c.blue;
857 color.a = rgba::MAX_CC;
858#endif
859}
425 860
426 if (XParseColor (display->display, display->cmap, name, &xc)) 861void
427 return set (display, xc.red, xc.green, xc.blue); 862rxvt_color::get (XColor &color)
863{
864 rgba c;
865 get (c);
866
867 color.red = c.r;
868 color.green = c.g;
869 color.blue = c.b;
870 color.pixel = (Pixel)*this;
871}
872
873void
874rxvt_color::free (rxvt_screen *screen)
875{
876 if (screen->visual->c_class == TrueColor)
877 return; // nothing to do
878
879#if XFT
880 XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
881#else
882 XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
883#endif
884}
885
886void
887rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
888{
889 rgba c;
890 get (c);
891
892 result.set (
893 screen,
894 rgba (
895 lerp (c.r, to.r, percent),
896 lerp (c.g, to.g, percent),
897 lerp (c.b, to.b, percent),
898 lerp (c.a, to.a, percent)
899 )
900 );
901}
902
903rxvt_selection::rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term)
904: display (disp), request_time (tm), request_win (win), request_prop (prop), term (term)
905{
906 assert (selnum >= Sel_Primary && selnum <= Sel_Clipboard);
907
908 timer_ev.set<rxvt_selection, &rxvt_selection::timer_cb> (this);
909 timer_ev.repeat = 10.;
910 x_ev.set<rxvt_selection, &rxvt_selection::x_cb> (this);
911
912 incr_buf = 0;
913 incr_buf_size = incr_buf_fill = 0;
914 selection_wait = Sel_normal;
915 selection_type = selnum;
916 cb_sv = 0;
917}
918
919void
920rxvt_selection::stop ()
921{
922 free (incr_buf);
923 incr_buf = 0;
924 timer_ev.stop ();
925 x_ev.stop (display);
926}
927
928rxvt_selection::~rxvt_selection ()
929{
930 stop ();
931}
932
933void
934rxvt_selection::run ()
935{
936 int selnum = selection_type;
937
938#if ENABLE_FRILLS
939 if (selnum == Sel_Primary && display->selection_owner)
940 {
941 /* internal selection */
942 char *str = rxvt_wcstombs (display->selection_owner->selection.text, display->selection_owner->selection.len);
943 finish (str, strlen (str));
944 free (str);
945 return;
946 }
947#endif
948
949#if X_HAVE_UTF8_STRING
950 selection_type = Sel_UTF8String;
951 if (request (display->xa[XA_UTF8_STRING], selnum))
952 return;
953#else
954 selection_type = Sel_CompoundText;
955 if (request (display->xa[XA_COMPOUND_TEXT], selnum))
956 return;
957#endif
958
959 // fallback to CUT_BUFFER0 if the requested property has no owner
960 handle_selection (display->root, XA_CUT_BUFFER0, false);
961}
962
963void
964rxvt_selection::finish (char *data, unsigned int len)
965{
966 if (!cb_sv)
967 {
968 if (data)
969 term->paste (data, len);
970
971 term->selection_req = 0;
972 delete this;
973 }
974#if ENABLE_PERL
975 else
976 {
977 stop (); // we do not really trust perl callbacks
978 rxvt_perl.selection_finish (this, data, len);
979 }
980#endif
981}
982
983bool
984rxvt_selection::request (Atom target, int selnum)
985{
986 Atom sel;
987
988 selection_type |= selnum;
989
990 if (selnum == Sel_Primary)
991 sel = XA_PRIMARY;
992 else if (selnum == Sel_Secondary)
993 sel = XA_SECONDARY;
994 else
995 sel = display->xa[XA_CLIPBOARD];
996
997 if (XGetSelectionOwner (display->dpy, sel) != None)
998 {
999 XConvertSelection (display->dpy, sel, target, request_prop,
1000 request_win, request_time);
1001 x_ev.start (display, request_win);
1002 timer_ev.again ();
1003 return true;
1004 }
428 1005
429 return false; 1006 return false;
430#endif
431} 1007}
432 1008
433bool
434rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
435{
436 XColor xc;
437
438 xc.red = cr;
439 xc.green = cg;
440 xc.blue = cb;
441 xc.flags = DoRed | DoGreen | DoBlue;
442
443 if (XAllocColor (display->display, display->cmap, &xc))
444 return set (display, xc.pixel);
445
446 return false;
447}
448
449void 1009void
450rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 1010rxvt_selection::handle_selection (Window win, Atom prop, bool delete_prop)
451{ 1011{
452#if XFT 1012 Display *dpy = display->dpy;
453 cr = c.color.red; 1013 char *data = 0;
454 cg = c.color.green; 1014 unsigned int data_len = 0;
455 cb = c.color.blue; 1015 unsigned long bytes_after;
456#else 1016 XTextProperty ct;
457 XColor c;
458 1017
459 c.pixel = p; 1018 // check for failed XConvertSelection
460 XQueryColor (display->display, display->cmap, &c); 1019 if (prop == None)
1020 {
1021 bool error = true;
1022 int selnum = selection_type & Sel_whereMask;
461 1023
462 cr = c.red; 1024 if (selection_type & Sel_CompoundText)
463 cg = c.green; 1025 {
464 cb = c.blue; 1026 selection_type = 0;
465#endif 1027 error = !request (XA_STRING, selnum);
466} 1028 }
467 1029
1030 if (selection_type & Sel_UTF8String)
1031 {
1032 selection_type = Sel_CompoundText;
1033 error = !request (display->xa[XA_COMPOUND_TEXT], selnum);
1034 }
1035
1036 if (error)
1037 {
1038 ct.value = 0;
1039 goto bailout;
1040 }
1041
1042 return;
1043 }
1044
1045 // length == (2^31 - 1) / 4, as gdk
1046 if (XGetWindowProperty (dpy, win, prop,
1047 0, 0x1fffffff,
1048 delete_prop, AnyPropertyType,
1049 &ct.encoding, &ct.format,
1050 &ct.nitems, &bytes_after,
1051 &ct.value) != Success)
1052 {
1053 ct.value = 0;
1054 goto bailout;
1055 }
1056
1057 if (ct.encoding == None)
1058 goto bailout;
1059
1060 if (ct.value == 0)
1061 goto bailout;
1062
1063 if (ct.encoding == display->xa[XA_INCR])
1064 {
1065 // INCR selection, start handshake
1066 if (!delete_prop)
1067 XDeleteProperty (dpy, win, prop);
1068
1069 selection_wait = Sel_incr;
1070 timer_ev.again ();
1071
1072 goto bailout;
1073 }
1074
1075 if (ct.nitems == 0)
1076 {
1077 if (selection_wait == Sel_incr)
1078 {
1079 XFree (ct.value);
1080
1081 // finally complete, now paste the whole thing
1082 selection_wait = Sel_normal;
1083 ct.value = (unsigned char *)incr_buf;
1084 ct.nitems = incr_buf_fill;
1085 incr_buf = 0;
1086 timer_ev.stop ();
1087 }
1088 else
1089 {
1090 // avoid recursion
1091 if (win != display->root || prop != XA_CUT_BUFFER0)
1092 {
1093 XFree (ct.value);
1094
1095 // fallback to CUT_BUFFER0 if the requested property
1096 // has an owner but is empty
1097 handle_selection (display->root, XA_CUT_BUFFER0, False);
1098 return;
1099 }
1100
1101 goto bailout;
1102 }
1103 }
1104 else if (selection_wait == Sel_incr)
1105 {
1106 timer_ev.again ();
1107
1108 while (incr_buf_fill + ct.nitems > incr_buf_size)
1109 {
1110 incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
1111 incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
1112 }
1113
1114 memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
1115 incr_buf_fill += ct.nitems;
1116
1117 goto bailout;
1118 }
1119
1120 char **cl;
1121 int cr;
1122
1123 // we honour the first item only
1124
1125#if !ENABLE_MINIMAL
1126 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
1127 // so recode it manually
1128 if (ct.encoding == display->xa[XA_UTF8_STRING])
1129 {
1130 wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
1131 data = rxvt_wcstombs (w);
1132 free (w);
1133 }
1134 else
1135#endif
1136 if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
1137 && cl)
1138 {
1139 data = strdup (cl[0]);
1140 XFreeStringList (cl);
1141 }
1142 else
1143 {
1144 // paste raw
1145 data = strdup ((const char *)ct.value);
1146 }
1147
1148 data_len = strlen (data);
1149
1150bailout:
1151 XFree (ct.value);
1152
1153 if (selection_wait == Sel_normal)
1154 {
1155 finish (data, data_len);
1156 free (data);
1157 }
1158}
1159
468void 1160void
469rxvt_color::free (rxvt_display *display) 1161rxvt_selection::timer_cb (ev::timer &w, int revents)
470{ 1162{
471#if XFT 1163 if (selection_wait == Sel_incr)
472 XftColorFree (display->display, display->visual, display->cmap, &c); 1164 rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
473#else
474 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
475#endif
476}
477 1165
478rxvt_color 1166 finish ();
479rxvt_color::fade (rxvt_display *display, int percent)
480{
481 percent = 100 - percent;
482
483 unsigned short cr, cg, cb;
484 rxvt_color faded;
485
486 get (display, cr, cg, cb);
487
488 faded.set (
489 display,
490 cr * percent / 100,
491 cg * percent / 100,
492 cb * percent / 100
493 );
494
495 return faded;
496} 1167}
497 1168
498#define LERP(a,b,p) (a * p + b * (100 - p)) / 100 1169void
499 1170rxvt_selection::x_cb (XEvent &xev)
500rxvt_color
501rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto)
502{ 1171{
503 percent = 100 - percent; 1172 switch (xev.type)
1173 {
1174 case PropertyNotify:
1175 if (selection_wait == Sel_incr
1176 && xev.xproperty.atom == request_prop
1177 && xev.xproperty.state == PropertyNewValue)
1178 handle_selection (xev.xproperty.window, xev.xproperty.atom, true);
1179 break;
504 1180
505 unsigned short cr, cg, cb; 1181 case SelectionNotify:
506 unsigned short fcr, fcg, fcb; 1182 if (selection_wait == Sel_normal
507 rxvt_color faded; 1183 && xev.xselection.time == request_time)
508 1184 {
509 get (display, cr, cg, cb); 1185 timer_ev.stop ();
510 fadeto.get(display, fcr, fcg, fcb); 1186 handle_selection (xev.xselection.requestor, xev.xselection.property, true);
511 1187 }
512 faded.set ( 1188 break;
513 display, 1189 }
514 LERP (cr, fcr, percent),
515 LERP (cg, fcg, percent),
516 LERP (cb, fcb, percent)
517 );
518
519 return faded;
520} 1190}
521

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