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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.5 by root, Tue Sep 7 12:34:05 2004 UTC vs.
Revision 1.26 by root, Wed Jan 25 21:03:04 2006 UTC

… …
25#include <rxvttoolkit.h> 25#include <rxvttoolkit.h>
26 26
27#include <unistd.h> 27#include <unistd.h>
28#include <fcntl.h> 28#include <fcntl.h>
29 29
30#include <sys/utsname.h>
31
30#ifndef NO_SLOW_LINK_SUPPORT 32#ifndef NO_SLOW_LINK_SUPPORT
31# include <sys/socket.h> 33# include <sys/socket.h>
32# include <sys/un.h> 34# include <sys/un.h>
33#endif 35#endif
34 36
37const char *const xa_names[] =
38 {
39 "TEXT",
40 "COMPOUND_TEXT",
41 "UTF8_STRING",
42 "MULTIPLE",
43 "TARGETS",
44 "TIMESTAMP",
45 "VT_SELECTION",
46 "INCR",
47 "WM_PROTOCOLS",
48 "WM_DELETE_WINDOW",
49 "CLIPBOARD",
50#if ENABLE_FRILLS
51 "_MOTIF_WM_HINTS",
52#endif
53#if ENABLE_EWMH
54 "_NET_WM_PID",
55 "_NET_WM_NAME",
56 "_NET_WM_ICON_NAME",
57 "_NET_WM_PING",
58#endif
59#if USE_XIM
60 "WM_LOCALE_NAME",
61 "XIM_SERVERS",
62#endif
63#ifdef TRANSPARENT
64 "_XROOTPMAP_ID",
65 "ESETROOT_PMAP_ID",
66#endif
67#if ENABLE_XEMBED
68 "_XEMBED",
69 "_XEMBED_INFO",
70#endif
71 };
72
73/////////////////////////////////////////////////////////////////////////////
74
35refcounted::refcounted (const char *id) 75refcounted::refcounted (const char *id)
36{ 76{
37 this->id = strdup (id); 77 this->id = strdup (id);
38} 78}
39 79
… …
47{ 87{
48 for (T **i = this->begin (); i < this->end (); ++i) 88 for (T **i = this->begin (); i < this->end (); ++i)
49 { 89 {
50 if (!strcmp (id, (*i)->id)) 90 if (!strcmp (id, (*i)->id))
51 { 91 {
52 (*i)->referenced++; 92 ++(*i)->referenced;
93 (*i)->ref_next ();
53 return *i; 94 return *i;
54 } 95 }
55 } 96 }
56 97
57 T *obj = new T (id); 98 T *obj = new T (id);
58 99
59 obj->referenced = 1;
60
61 if (obj && obj->init ()) 100 if (obj && obj->ref_init ())
62 { 101 {
102 obj->referenced = 1;
63 this->push_back (obj); 103 this->push_back (obj);
64 return obj; 104 return obj;
65 } 105 }
66 else 106 else
67 { 107 {
… …
82 delete obj; 122 delete obj;
83 } 123 }
84} 124}
85 125
86template<class T> 126template<class T>
87refcache<T>::~refcache () 127void refcache<T>::clear ()
88{ 128{
89 while (this->size ()) 129 while (this->size ())
90 put (*this->begin ()); 130 put (*this->begin ());
91} 131}
92 132
93///////////////////////////////////////////////////////////////////////////// 133/////////////////////////////////////////////////////////////////////////////
94 134
95#ifdef USE_XIM 135#ifdef USE_XIM
136
96static void 137static void
97#if XIMCB_PROTO_BROKEN 138#if XIMCB_PROTO_BROKEN
98im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) 139im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3)
99#else 140#else
100im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3) 141im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3)
… …
107 148
108 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim)); 149 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim));
109 display->im_change_cb (); 150 display->im_change_cb ();
110} 151}
111 152
153bool
112bool rxvt_xim::init () 154rxvt_xim::ref_init ()
113{ 155{
114 display = GET_R->display; //HACK: TODO 156 display = GET_R->display; //HACK: TODO
115 157
116 xim = XOpenIM (display->display, NULL, NULL, NULL); 158 xim = XOpenIM (display->display, NULL, NULL, NULL);
117 159
… …
130rxvt_xim::~rxvt_xim () 172rxvt_xim::~rxvt_xim ()
131{ 173{
132 if (xim) 174 if (xim)
133 XCloseIM (xim); 175 XCloseIM (xim);
134} 176}
177
135#endif 178#endif
179
180/////////////////////////////////////////////////////////////////////////////
181
182void
183rxvt_screen::set (rxvt_display *disp)
184{
185 display = disp;
186
187 xdisp = disp->display;
188
189 Screen *screen = ScreenOfDisplay (xdisp, disp->screen);
190
191 depth = DefaultDepthOfScreen (screen);
192 visual = DefaultVisualOfScreen (screen);
193 cmap = DefaultColormapOfScreen (screen);
194}
195
196void
197rxvt_screen::set (rxvt_display *disp, int depth)
198{
199 set (disp);
200
201 XVisualInfo vinfo;
202
203 if (XMatchVisualInfo (xdisp, display->screen, depth, TrueColor, &vinfo))
204 {
205 this->depth = depth;
206 this->visual = vinfo.visual;
207 this->cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone);
208 }
209}
210
211void
212rxvt_screen::clear ()
213{
214 if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen)))
215 XFreeColormap (xdisp, cmap);
216}
136 217
137///////////////////////////////////////////////////////////////////////////// 218/////////////////////////////////////////////////////////////////////////////
138 219
139rxvt_display::rxvt_display (const char *id) 220rxvt_display::rxvt_display (const char *id)
140: refcounted (id) 221: refcounted (id)
141, x_ev (this, &rxvt_display::x_cb) 222, x_ev (this, &rxvt_display::x_cb)
142, selection_owner (0) 223, selection_owner (0)
143{ 224{
144} 225}
145 226
227XrmDatabase
228rxvt_display::get_resources ()
229{
230 char *homedir = (char *)getenv ("HOME");
231 char fname[1024];
232
233 /*
234 * get resources using the X library function
235 */
236 char *displayResource, *xe;
237 XrmDatabase database, rdb1;
238
239 database = NULL;
240
241 // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
242
243 // 6. System wide per application default file.
244
245 /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
246 if ((xe = (char *)getenv ("XAPPLRESDIR")))
247 {
248 snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
249
250 if ((rdb1 = XrmGetFileDatabase (fname)))
251 XrmMergeDatabases (rdb1, &database);
252 }
253
254 // 5. User's per application default file.
255 // none
256
257 // 4. User's defaults file.
258 /* Get any Xserver defaults */
259 displayResource = XResourceManagerString (display);
260
261 if (displayResource != NULL)
262 {
263 if ((rdb1 = XrmGetStringDatabase (displayResource)))
264 XrmMergeDatabases (rdb1, &database);
265 }
266 else if (homedir)
267 {
268 snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
269
270 if ((rdb1 = XrmGetFileDatabase (fname)))
271 XrmMergeDatabases (rdb1, &database);
272 }
273
274 /* Get screen specific resources */
275 displayResource = XScreenResourceString (ScreenOfDisplay (display, screen));
276
277 if (displayResource != NULL)
278 {
279 if ((rdb1 = XrmGetStringDatabase (displayResource)))
280 /* Merge with screen-independent resources */
281 XrmMergeDatabases (rdb1, &database);
282
283 XFree (displayResource);
284 }
285
286 // 3. User's per host defaults file
287 /* Add in XENVIRONMENT file */
288 if ((xe = (char *)getenv ("XENVIRONMENT"))
289 && (rdb1 = XrmGetFileDatabase (xe)))
290 XrmMergeDatabases (rdb1, &database);
291 else if (homedir)
292 {
293 struct utsname un;
294
295 if (!uname (&un))
296 {
297 snprintf (fname, sizeof (fname), "%s/.Xdefaults-%s", homedir, un.nodename);
298
299 if ((rdb1 = XrmGetFileDatabase (fname)))
300 XrmMergeDatabases (rdb1, &database);
301 }
302 }
303
304 return database;
305}
306
146bool rxvt_display::init () 307bool rxvt_display::ref_init ()
147{ 308{
309#ifdef LOCAL_X_IS_UNIX
310 if (id[0] == ':')
311 {
312 val = rxvt_malloc (5 + strlen (id) + 1);
313 strcpy (val, "unix/");
314 strcat (val, id);
315 display = XOpenDisplay (val);
316 free (val);
317 }
318 else
319#endif
320 display = 0;
321
322 if (!display)
148 display = XOpenDisplay (id); 323 display = XOpenDisplay (id);
149 324
150 if (!display) 325 if (!display)
151 return false; 326 return false;
152 327
153 screen = DefaultScreen (display); 328 screen = DefaultScreen (display);
154 root = DefaultRootWindow (display); 329 root = DefaultRootWindow (display);
155 visual = DefaultVisual (display, screen); 330
156 cmap = DefaultColormap (display, screen); 331 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
157 depth = DefaultDepth (display, screen); 332 XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa);
333
334 XrmSetDatabase (display, get_resources ());
335
336#ifdef POINTER_BLANK
337 XColor blackcolour;
338 blackcolour.red = 0;
339 blackcolour.green = 0;
340 blackcolour.blue = 0;
341 Font f = XLoadFont (display, "fixed");
342 blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ',
343 &blackcolour, &blackcolour);
344 XUnloadFont (display, f);
345#endif
158 346
159 int fd = XConnectionNumber (display); 347 int fd = XConnectionNumber (display);
160 348
161#ifndef NO_SLOW_LINK_SUPPORT 349#ifndef NO_SLOW_LINK_SUPPORT
162 // try to detetc wether we have a local connection. 350 // try to detect wether we have a local connection.
163 // assume unix domains socket == local, everything else not 351 // assume unix domains socket == local, everything else not
164 // TODO: might want to check for inet/127.0.0.1 352 // TODO: might want to check for inet/127.0.0.1
165 is_local = 0; 353 is_local = 0;
166 sockaddr_un sa; 354 sockaddr_un sa;
167 socklen_t sl = sizeof (sa); 355 socklen_t sl = sizeof (sa);
168 356
169 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 357 if (!getsockname (fd, (sockaddr *)&sa, &sl))
170 is_local = sa.sun_family == AF_LOCAL; 358 is_local = sa.sun_family == AF_LOCAL;
171#endif 359#endif
172 360
173#ifdef PREFER_24BIT
174 /*
175 * If depth is not 24, look for a 24bit visual.
176 */
177 if (depth != 24)
178 {
179 XVisualInfo vinfo;
180
181 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
182 {
183 depth = 24;
184 visual = vinfo.visual;
185 cmap = XCreateColormap (display,
186 RootWindow (display, screen),
187 visual, AllocNone);
188 }
189 }
190#endif
191
192 x_ev.start (fd, EVENT_READ); 361 x_ev.start (fd, EVENT_READ);
193 fcntl (fd, F_SETFD, FD_CLOEXEC); 362 fcntl (fd, F_SETFD, FD_CLOEXEC);
194 363
195 XSelectInput (display, root, PropertyChangeMask); 364 XSelectInput (display, root, PropertyChangeMask);
365
366 flush ();
367
368 return true;
369}
370
371void
372rxvt_display::ref_next ()
373{
374 // TODO: somehow check wether the database files/resources changed
375 // before re-loading/parsing
376 XrmDestroyDatabase (XrmGetDatabase (display));
377 XrmSetDatabase (display, get_resources ());
378}
379
380rxvt_display::~rxvt_display ()
381{
382 if (!display)
383 return;
384
385#ifdef POINTER_BLANK
386 XFreeCursor (display, blank_cursor);
387#endif
388 x_ev.stop ();
196#ifdef USE_XIM 389#ifdef USE_XIM
197 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0); 390 xims.clear ();
198#endif 391#endif
199
200 flush ();
201
202 return true;
203}
204
205rxvt_display::~rxvt_display ()
206{
207 x_ev.stop ();
208
209 if (display)
210 XCloseDisplay (display); 392 XCloseDisplay (display);
211} 393}
212 394
213#ifdef USE_XIM 395#ifdef USE_XIM
214void rxvt_display::im_change_cb () 396void rxvt_display::im_change_cb ()
215{ 397{
… …
217 (*i)->call (); 399 (*i)->call ();
218} 400}
219 401
220void rxvt_display::im_change_check () 402void rxvt_display::im_change_check ()
221{ 403{
222 // make sure we only call im_change_cb when a new input method 404 // try to only call im_change_cb when a new input method
223 // registers, as xlib crashes due to a race otherwise. 405 // registers, as xlib crashes due to a race otherwise.
224 Atom actual_type, *atoms; 406 Atom actual_type, *atoms;
225 int actual_format; 407 int actual_format;
226 unsigned long nitems, bytes_after; 408 unsigned long nitems, bytes_after;
227 409
228 if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, 410 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
229 False, XA_ATOM, &actual_type, &actual_format, 411 False, XA_ATOM, &actual_type, &actual_format,
230 &nitems, &bytes_after, (unsigned char **)&atoms) 412 &nitems, &bytes_after, (unsigned char **)&atoms)
231 != Success ) 413 != Success )
232 return; 414 return;
233 415
… …
251 XNextEvent (display, &xev); 433 XNextEvent (display, &xev);
252 434
253#ifdef USE_XIM 435#ifdef USE_XIM
254 if (!XFilterEvent (&xev, None)) 436 if (!XFilterEvent (&xev, None))
255 { 437 {
256
257 if (xev.type == PropertyNotify 438 if (xev.type == PropertyNotify
258 && xev.xany.window == root 439 && xev.xany.window == root
259 && xev.xproperty.atom == xa_xim_servers) 440 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
260 im_change_check (); 441 im_change_check ();
261#endif 442#endif
262 for (int i = xw.size (); i--; ) 443 for (int i = xw.size (); i--; )
263 { 444 {
264 if (!xw[i]) 445 if (!xw[i])
… …
268 } 449 }
269#ifdef USE_XIM 450#ifdef USE_XIM
270 } 451 }
271#endif 452#endif
272 } 453 }
273 while (XPending (display)); 454 while (XEventsQueued (display, QueuedAlready));
274 455
275 flush (); 456 XFlush (display);
276} 457}
277 458
278void rxvt_display::flush () 459void rxvt_display::flush ()
279{ 460{
280 for (;;) 461 if (XEventsQueued (display, QueuedAlready))
281 { 462 x_cb (x_ev, EVENT_READ);
282 if (!XPending (display))
283 break;
284 463
285 x_cb (x_ev, 0); 464 XFlush (display);
286 }
287} 465}
288 466
289void rxvt_display::reg (xevent_watcher *w) 467void rxvt_display::reg (xevent_watcher *w)
290{ 468{
291 xw.push_back (w); 469 xw.push_back (w);
… …
338 return xim; 516 return xim;
339} 517}
340 518
341void rxvt_display::put_xim (rxvt_xim *xim) 519void rxvt_display::put_xim (rxvt_xim *xim)
342{ 520{
521#if XLIB_IS_RACEFREE
343 xims.put (xim); 522 xims.put (xim);
523#endif
344} 524}
345#endif 525#endif
346 526
347Atom rxvt_display::atom (const char *name) 527Atom rxvt_display::atom (const char *name)
348{ 528{
… …
355refcache<rxvt_display> displays; 535refcache<rxvt_display> displays;
356 536
357///////////////////////////////////////////////////////////////////////////// 537/////////////////////////////////////////////////////////////////////////////
358 538
359bool 539bool
360rxvt_color::set (rxvt_display *display, Pixel p) 540rxvt_color::set (rxvt_screen *screen, Pixel p)
361{ 541{
362#if XFT 542#if XFT
363 XColor xc; 543 XColor xc;
364 544
365 xc.pixel = p; 545 xc.pixel = p;
366 if (!XQueryColor (display->display, display->cmap, &xc)) 546 if (!XQueryColor (screen->xdisp, screen->cmap, &xc))
367 return false; 547 return false;
368 548
369 XRenderColor d; 549 XRenderColor d;
370 550
371 d.red = xc.red; 551 d.red = xc.red;
372 d.green = xc.green; 552 d.green = xc.green;
373 d.blue = xc.blue; 553 d.blue = xc.blue;
374 d.alpha = 0xffff; 554 d.alpha = 0xffff;
375 555
376 return 556 return
377 XftColorAllocValue (display->display, 557 XftColorAllocValue (screen->xdisp,
378 display->visual, 558 screen->visual,
379 display->cmap, 559 screen->cmap,
380 &d, &c); 560 &d, &c);
381#else 561#else
382 this->p = p; 562 this->p = p;
383#endif 563#endif
384 564
385 return true; 565 return true;
386} 566}
387 567
388bool 568bool
389rxvt_color::set (rxvt_display *display, const char *name) 569rxvt_color::set (rxvt_screen *screen, const char *name)
390{ 570{
571#if XFT
572 return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c);
573#else
391 XColor xc; 574 XColor xc;
392 575
393 if (XParseColor (display->display, display->cmap, name, &xc)) 576 if (XParseColor (screen->xdisp, screen->cmap, name, &xc))
394 return set (display, xc.red, xc.green, xc.blue); 577 return set (screen, xc.red, xc.green, xc.blue);
395 578
396 return false; 579 return false;
580#endif
397} 581}
398 582
399bool 583bool
400rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb) 584rxvt_color::set (rxvt_screen *screen, unsigned short cr, unsigned short cg, unsigned short cb)
401{ 585{
402 XColor xc; 586 XColor xc;
403 587
404 xc.red = cr; 588 xc.red = cr;
405 xc.green = cg; 589 xc.green = cg;
406 xc.blue = cb; 590 xc.blue = cb;
407 xc.flags = DoRed | DoGreen | DoBlue; 591 xc.flags = DoRed | DoGreen | DoBlue;
408 592
409 if (XAllocColor (display->display, display->cmap, &xc)) 593 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
410 return set (display, xc.pixel); 594 return set (screen, xc.pixel);
411 595
412 return false; 596 return false;
413} 597}
414 598
415void 599void
416rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) 600rxvt_color::get (rxvt_screen *screen, unsigned short &cr, unsigned short &cg, unsigned short &cb)
417{ 601{
418#if XFT 602#if XFT
419 cr = c.color.red; 603 cr = c.color.red;
420 cg = c.color.green; 604 cg = c.color.green;
421 cb = c.color.blue; 605 cb = c.color.blue;
422#else 606#else
423 XColor c; 607 XColor c;
424 608
425 c.pixel = p; 609 c.pixel = p;
426 XQueryColor (display->display, display->cmap, &c); 610 XQueryColor (screen->xdisp, screen->cmap, &c);
427 611
428 cr = c.red; 612 cr = c.red;
429 cg = c.green; 613 cg = c.green;
430 cb = c.blue; 614 cb = c.blue;
431#endif 615#endif
432} 616}
433 617
434void 618void
435rxvt_color::free (rxvt_display *display) 619rxvt_color::free (rxvt_screen *screen)
436{ 620{
437#if XFT 621#if XFT
438 XftColorFree (display->display, display->visual, display->cmap, &c); 622 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c);
439#else 623#else
440 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes); 624 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes);
441#endif 625#endif
442} 626}
443 627
444rxvt_color 628rxvt_color
445rxvt_color::fade (rxvt_display *display, int percent) 629rxvt_color::fade (rxvt_screen *screen, int percent)
446{ 630{
631 percent = 100 - percent;
632
447 unsigned short cr, cg, cb; 633 unsigned short cr, cg, cb;
448 rxvt_color faded; 634 rxvt_color faded;
449 635
450 get (display, cr, cg, cb); 636 get (screen, cr, cg, cb);
637
451 faded.set (display, 638 faded.set (
639 screen,
452 cr * percent / 100, 640 cr * percent / 100,
453 cg * percent / 100, 641 cg * percent / 100,
454 cb * percent / 100); 642 cb * percent / 100
643 );
455 644
456 return faded; 645 return faded;
457} 646}
458 647
648#define LERP(a,b,p) (a * p + b * (100 - p)) / 100
649
650rxvt_color
651rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &fadeto)
652{
653 percent = 100 - percent;
654
655 unsigned short cr, cg, cb;
656 unsigned short fcr, fcg, fcb;
657 rxvt_color faded;
658
659 get (screen, cr, cg, cb);
660 fadeto.get (screen, fcr, fcg, fcb);
661
662 faded.set (
663 screen,
664 LERP (cr, fcr, percent),
665 LERP (cg, fcg, percent),
666 LERP (cb, fcb, percent)
667 );
668
669 return faded;
670}
671

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