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Comparing rxvt-unicode/src/rxvttoolkit.C (file contents):
Revision 1.2 by root, Sun Aug 15 04:54:21 2004 UTC vs.
Revision 1.26 by root, Wed Jan 25 21:03:04 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: rxvtcolor.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) 2003-2004 Marc Lehmann <pcg@goof.com>
7 * 7 *
… …
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)
101#endif 142#endif
102{ 143{
103 rxvt_xim *xim = (rxvt_xim *)client_data; 144 rxvt_xim *xim = (rxvt_xim *)client_data;
104 rxvt_display *display = xim->display; 145 rxvt_display *display = xim->display;
105 146
147 xim->xim = 0;
148
106 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim)); 149 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim));
107
108 display->im_change_cb (); 150 display->im_change_cb ();
109} 151}
110 152
153bool
111bool rxvt_xim::init () 154rxvt_xim::ref_init ()
112{ 155{
113 display = GET_R->display; //HACK: TODO 156 display = GET_R->display; //HACK: TODO
114 157
115 xim = XOpenIM (display->display, NULL, NULL, NULL); 158 xim = XOpenIM (display->display, NULL, NULL, NULL);
116 159
… …
129rxvt_xim::~rxvt_xim () 172rxvt_xim::~rxvt_xim ()
130{ 173{
131 if (xim) 174 if (xim)
132 XCloseIM (xim); 175 XCloseIM (xim);
133} 176}
177
134#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}
135 217
136///////////////////////////////////////////////////////////////////////////// 218/////////////////////////////////////////////////////////////////////////////
137 219
138rxvt_display::rxvt_display (const char *id) 220rxvt_display::rxvt_display (const char *id)
139: refcounted (id) 221: refcounted (id)
140, x_ev (this, &rxvt_display::x_cb) 222, x_ev (this, &rxvt_display::x_cb)
141, selection_owner (0) 223, selection_owner (0)
142{ 224{
143} 225}
144 226
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
145bool rxvt_display::init () 307bool rxvt_display::ref_init ()
146{ 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)
147 display = XOpenDisplay (id); 323 display = XOpenDisplay (id);
148 324
149 if (!display) 325 if (!display)
150 return false; 326 return false;
151 327
152 screen = DefaultScreen (display); 328 screen = DefaultScreen (display);
153 root = DefaultRootWindow (display); 329 root = DefaultRootWindow (display);
154 visual = DefaultVisual (display, screen); 330
155 cmap = DefaultColormap (display, screen); 331 assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
156 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
157 346
158 int fd = XConnectionNumber (display); 347 int fd = XConnectionNumber (display);
159 348
160#ifndef NO_SLOW_LINK_SUPPORT 349#ifndef NO_SLOW_LINK_SUPPORT
161 // try to detetc wether we have a local connection. 350 // try to detect wether we have a local connection.
162 // assume unix domains socket == local, everything else not 351 // assume unix domains socket == local, everything else not
163 // TODO: might want to check for inet/127.0.0.1 352 // TODO: might want to check for inet/127.0.0.1
164 is_local = 0; 353 is_local = 0;
165 sockaddr_un sa; 354 sockaddr_un sa;
166 socklen_t sl = sizeof (sa); 355 socklen_t sl = sizeof (sa);
167 356
168 if (!getsockname (fd, (sockaddr *)&sa, &sl)) 357 if (!getsockname (fd, (sockaddr *)&sa, &sl))
169 is_local = sa.sun_family == AF_LOCAL; 358 is_local = sa.sun_family == AF_LOCAL;
170#endif 359#endif
171 360
172#ifdef PREFER_24BIT
173 /*
174 * If depth is not 24, look for a 24bit visual.
175 */
176 if (depth != 24)
177 {
178 XVisualInfo vinfo;
179
180 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
181 {
182 depth = 24;
183 visual = vinfo.visual;
184 cmap = XCreateColormap (display,
185 RootWindow (display, screen),
186 visual, AllocNone);
187 }
188 }
189#endif
190
191 x_ev.start (fd, EVENT_READ); 361 x_ev.start (fd, EVENT_READ);
192 fcntl (fd, F_SETFD, FD_CLOEXEC); 362 fcntl (fd, F_SETFD, FD_CLOEXEC);
193 363
194 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 ();
195#ifdef USE_XIM 389#ifdef USE_XIM
196 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0); 390 xims.clear ();
197#endif 391#endif
198
199 flush ();
200
201 return true;
202}
203
204rxvt_display::~rxvt_display ()
205{
206 x_ev.stop ();
207
208 if (display)
209 XCloseDisplay (display); 392 XCloseDisplay (display);
210} 393}
211 394
212#ifdef USE_XIM 395#ifdef USE_XIM
213void rxvt_display::im_change_cb () 396void rxvt_display::im_change_cb ()
214{ 397{
215 for (im_watcher **i = imw.begin (); i != imw.end (); ++i) 398 for (im_watcher **i = imw.begin (); i != imw.end (); ++i)
216 (*i)->call (); 399 (*i)->call ();
217} 400}
401
402void rxvt_display::im_change_check ()
403{
404 // try to only call im_change_cb when a new input method
405 // registers, as xlib crashes due to a race otherwise.
406 Atom actual_type, *atoms;
407 int actual_format;
408 unsigned long nitems, bytes_after;
409
410 if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
411 False, XA_ATOM, &actual_type, &actual_format,
412 &nitems, &bytes_after, (unsigned char **)&atoms)
413 != Success )
414 return;
415
416 if (actual_type == XA_ATOM && actual_format == 32)
417 for (int i = 0; i < nitems; i++)
418 if (XGetSelectionOwner (display, atoms[i]))
419 {
420 im_change_cb ();
421 break;
422 }
423
424 XFree (atoms);
425}
218#endif 426#endif
219 427
220void rxvt_display::x_cb (io_watcher &w, short revents) 428void rxvt_display::x_cb (io_watcher &w, short revents)
221{ 429{
222 do 430 do
223 { 431 {
224 XEvent xev; 432 XEvent xev;
225 XNextEvent (display, &xev); 433 XNextEvent (display, &xev);
226 434
227 //printf ("T %d w %lx\n", xev.type, xev.xany.window);//D
228
229#ifdef USE_XIM 435#ifdef USE_XIM
230 if (xev.type == PropertyNotify 436 if (!XFilterEvent (&xev, None))
231 && xev.xany.window == root
232 && xev.xproperty.atom == xa_xim_servers)
233 im_change_cb ();
234#endif
235
236 for (int i = xw.size (); i--; )
237 { 437 {
438 if (xev.type == PropertyNotify
439 && xev.xany.window == root
440 && xev.xproperty.atom == xa[XA_XIM_SERVERS])
441 im_change_check ();
442#endif
443 for (int i = xw.size (); i--; )
444 {
238 if (!xw[i]) 445 if (!xw[i])
239 xw.erase_unordered (i); 446 xw.erase_unordered (i);
240 else if (xw[i]->window == xev.xany.window) 447 else if (xw[i]->window == xev.xany.window)
241 xw[i]->call (xev); 448 xw[i]->call (xev);
449 }
450#ifdef USE_XIM
242 } 451 }
452#endif
243 } 453 }
244 while (XPending (display)); 454 while (XEventsQueued (display, QueuedAlready));
245 455
246 flush (); 456 XFlush (display);
247} 457}
248 458
249void rxvt_display::flush () 459void rxvt_display::flush ()
250{ 460{
251 for (;;) 461 if (XEventsQueued (display, QueuedAlready))
252 { 462 x_cb (x_ev, EVENT_READ);
253 if (!XPending (display))
254 break;
255 463
256 x_cb (x_ev, 0); 464 XFlush (display);
257 }
258} 465}
259 466
260void rxvt_display::reg (xevent_watcher *w) 467void rxvt_display::reg (xevent_watcher *w)
261{ 468{
262 xw.push_back (w); 469 xw.push_back (w);
… …
309 return xim; 516 return xim;
310} 517}
311 518
312void rxvt_display::put_xim (rxvt_xim *xim) 519void rxvt_display::put_xim (rxvt_xim *xim)
313{ 520{
521#if XLIB_IS_RACEFREE
314 xims.put (xim); 522 xims.put (xim);
523#endif
315} 524}
316#endif 525#endif
317 526
318Atom rxvt_display::atom (const char *name) 527Atom rxvt_display::atom (const char *name)
319{ 528{
… …
326refcache<rxvt_display> displays; 535refcache<rxvt_display> displays;
327 536
328///////////////////////////////////////////////////////////////////////////// 537/////////////////////////////////////////////////////////////////////////////
329 538
330bool 539bool
331rxvt_color::set (rxvt_display *display, Pixel p) 540rxvt_color::set (rxvt_screen *screen, Pixel p)
332{ 541{
333#if XFT 542#if XFT
334 XColor xc; 543 XColor xc;
335 544
336 xc.pixel = p; 545 xc.pixel = p;
337 if (!XQueryColor (display->display, display->cmap, &xc)) 546 if (!XQueryColor (screen->xdisp, screen->cmap, &xc))
338 return false; 547 return false;
339 548
340 XRenderColor d; 549 XRenderColor d;
341 550
342 d.red = xc.red; 551 d.red = xc.red;
343 d.green = xc.green; 552 d.green = xc.green;
344 d.blue = xc.blue; 553 d.blue = xc.blue;
345 d.alpha = 0xffff; 554 d.alpha = 0xffff;
346 555
347 return 556 return
348 XftColorAllocValue (display->display, 557 XftColorAllocValue (screen->xdisp,
349 display->visual, 558 screen->visual,
350 display->cmap, 559 screen->cmap,
351 &d, &c); 560 &d, &c);
352#else 561#else
353 this->p = p; 562 this->p = p;
354#endif 563#endif
355 564
356 return true; 565 return true;
357} 566}
358 567
359bool 568bool
360rxvt_color::set (rxvt_display *display, const char *name) 569rxvt_color::set (rxvt_screen *screen, const char *name)
361{ 570{
571#if XFT
572 return XftColorAllocName (screen->xdisp, screen->visual, screen->cmap, name, &c);
573#else
362 XColor xc; 574 XColor xc;
363 575
364 if (XParseColor (display->display, display->cmap, name, &xc)) 576 if (XParseColor (screen->xdisp, screen->cmap, name, &xc))
365 return set (display, xc.red, xc.green, xc.blue); 577 return set (screen, xc.red, xc.green, xc.blue);
366 578
367 return false; 579 return false;
580#endif
368} 581}
369 582
370bool 583bool
371rxvt_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)
372{ 585{
373 XColor xc; 586 XColor xc;
374 587
375 xc.red = cr; 588 xc.red = cr;
376 xc.green = cg; 589 xc.green = cg;
377 xc.blue = cb; 590 xc.blue = cb;
378 xc.flags = DoRed | DoGreen | DoBlue; 591 xc.flags = DoRed | DoGreen | DoBlue;
379 592
380 if (XAllocColor (display->display, display->cmap, &xc)) 593 if (XAllocColor (screen->xdisp, screen->cmap, &xc))
381 return set (display, xc.pixel); 594 return set (screen, xc.pixel);
382 595
383 return false; 596 return false;
384} 597}
385 598
386void 599void
387rxvt_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)
388{ 601{
389#if XFT 602#if XFT
390 cr = c.color.red; 603 cr = c.color.red;
391 cg = c.color.green; 604 cg = c.color.green;
392 cb = c.color.blue; 605 cb = c.color.blue;
393#else 606#else
394 XColor c; 607 XColor c;
395 608
396 c.pixel = p; 609 c.pixel = p;
397 XQueryColor (display->display, display->cmap, &c); 610 XQueryColor (screen->xdisp, screen->cmap, &c);
398 611
399 cr = c.red; 612 cr = c.red;
400 cg = c.green; 613 cg = c.green;
401 cb = c.blue; 614 cb = c.blue;
402#endif 615#endif
403} 616}
404 617
405void 618void
406rxvt_color::free (rxvt_display *display) 619rxvt_color::free (rxvt_screen *screen)
407{ 620{
408#if XFT 621#if XFT
409 XftColorFree (display->display, display->visual, display->cmap, &c); 622 XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c);
410#else 623#else
411 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes); 624 XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes);
412#endif 625#endif
413} 626}
414 627
415rxvt_color 628rxvt_color
416rxvt_color::fade (rxvt_display *display, int percent) 629rxvt_color::fade (rxvt_screen *screen, int percent)
417{ 630{
631 percent = 100 - percent;
632
418 unsigned short cr, cg, cb; 633 unsigned short cr, cg, cb;
419 rxvt_color faded; 634 rxvt_color faded;
420 635
421 get (display, cr, cg, cb); 636 get (screen, cr, cg, cb);
637
422 faded.set (display, 638 faded.set (
639 screen,
423 cr * percent / 100, 640 cr * percent / 100,
424 cg * percent / 100, 641 cg * percent / 100,
425 cb * percent / 100); 642 cb * percent / 100
643 );
426 644
427 return faded; 645 return faded;
428} 646}
429 647
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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