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Comparing rxvt-unicode/src/rxvtcolor.C (file contents):
Revision 1.1 by pcg, Mon Nov 24 17:28:08 2003 UTC vs.
Revision 1.18 by root, Fri Jul 30 14:12:38 2004 UTC

1/*--------------------------------*-C-*---------------------------------*
2 * File: rxvtcolor.C
3 *----------------------------------------------------------------------*
4 *
5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>
7 *
8 * 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 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *----------------------------------------------------------------------*/
22
1#include "../config.h" 23#include "../config.h"
2#include <rxvt.h> 24#include <rxvt.h>
25#include <rxvtcolor.h>
3 26
4// TODO: free colors again 27#include <unistd.h>
28#include <fcntl.h>
5 29
30class byteorder byteorder;
31
32byteorder::byteorder ()
33{
34 union {
35 uint32_t u;
36 uint8_t b[4];
37 } w;
38
39 w.b[0] = 0x11;
40 w.b[1] = 0x22;
41 w.b[2] = 0x33;
42 w.b[3] = 0x44;
43
44 e = w.u;
45}
46
47refcounted::refcounted (const char *id)
48{
49 this->id = STRDUP (id);
50}
51
52refcounted::~refcounted ()
53{
54 free (id);
55}
56
57template<class T>
58T *refcache<T>::get (const char *id)
59{
60 for (T **i = this->begin (); i < this->end (); ++i)
61 {
62 if (!strcmp (id, (*i)->id))
63 {
64 (*i)->referenced++;
65 return *i;
66 }
67 }
68
69 T *obj = new T (id);
70
71 obj->referenced = 1;
72
73 if (obj && obj->init ())
74 {
75 this->push_back (obj);
76 return obj;
77 }
78 else
79 {
80 delete obj;
81 return 0;
82 }
83}
84
85template<class T>
86void refcache<T>::put (T *obj)
87{
88 if (!obj)
89 return;
90
91 if (!--obj->referenced)
92 {
93 this->erase (find (this->begin (), this->end (), obj));
94 delete obj;
95 }
96}
97
98template<class T>
99refcache<T>::~refcache ()
100{
101 while (this->size ())
102 put (*this->begin ());
103}
104
105/////////////////////////////////////////////////////////////////////////////
106
107#ifdef USE_XIM
108static void
109im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3)
110{
111 rxvt_xim *xim = (rxvt_xim *)client_data;
112 rxvt_display *display = xim->display;
113
114 display->xims.erase (find (display->xims.begin (), display->xims.end (), xim));
115
116 display->im_change_cb ();
117}
118
119bool rxvt_xim::init ()
120{
121 display = GET_R->display; //HACK: TODO
122
123 xim = XOpenIM (display->display, NULL, NULL, NULL);
124
125 if (!xim)
126 return false;
127
128 XIMCallback ximcallback;
129 ximcallback.client_data = (XPointer)this;
130 ximcallback.callback = im_destroy_cb;
131
132 XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL);
133
134 return true;
135}
136
137rxvt_xim::~rxvt_xim ()
138{
139 if (xim)
140 XCloseIM (xim);
141}
142#endif
143
144/////////////////////////////////////////////////////////////////////////////
145
146rxvt_display::rxvt_display (const char *id)
147: refcounted (id)
148, x_ev (this, &rxvt_display::x_cb)
149, selection_owner (0)
150{
151}
152
153bool rxvt_display::init ()
154{
155 display = XOpenDisplay (id);
156
157 if (!display)
158 return false;
159
160 screen = DefaultScreen (display);
161 root = DefaultRootWindow (display);
162 visual = DefaultVisual (display, screen);
163 cmap = DefaultColormap (display, screen);
164 depth = DefaultDepth (display, screen);
165
166#ifdef PREFER_24BIT
167 /*
168 * If depth is not 24, look for a 24bit visual.
169 */
170 if (depth != 24)
171 {
172 XVisualInfo vinfo;
173
174 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
175 {
176 depth = 24;
177 visual = vinfo.visual;
178 cmap = XCreateColormap (display,
179 RootWindow (display, screen),
180 visual, AllocNone);
181 }
182 }
183#endif
184
185 int fd = XConnectionNumber (display);
186 x_ev.start (fd, EVENT_READ);
187 fcntl (fd, F_SETFD, FD_CLOEXEC);
188
189 XSelectInput (display, root, PropertyChangeMask);
190#ifdef USE_XIM
191 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
192#endif
193
194 flush ();
195
196 return true;
197}
198
199rxvt_display::~rxvt_display ()
200{
201 x_ev.stop ();
202
203 if (display)
204 XCloseDisplay (display);
205}
206
207#ifdef USE_XIM
208void rxvt_display::im_change_cb ()
209{
210 for (im_watcher **i = imw.begin (); i != imw.end (); ++i)
211 (*i)->call ();
212}
213#endif
214
215void rxvt_display::x_cb (io_watcher &w, short revents)
216{
217 do
218 {
219 XEvent xev;
220 XNextEvent (display, &xev);
221
222 //printf ("T %d w %lx\n", xev.type, xev.xany.window);//D
223
224#ifdef USE_XIM
225 if (xev.type == PropertyNotify
226 && xev.xany.window == root
227 && xev.xproperty.atom == xa_xim_servers)
228 im_change_cb ();
229#endif
230
231 for (int i = xw.size (); i--; )
232 {
233 if (!xw[i])
234 xw.erase_unordered (i);
235 else if (xw[i]->window == xev.xany.window)
236 xw[i]->call (xev);
237 }
238 }
239 while (XPending (display));
240
241 flush ();
242}
243
244void rxvt_display::flush ()
245{
246 for (;;)
247 {
248 XFlush (display);
249
250 if (!XPending (display))
251 break;
252
253 x_cb (x_ev, 0);
254 }
255}
256
257void rxvt_display::reg (xevent_watcher *w)
258{
259 xw.push_back (w);
260 w->active = xw.size ();
261}
262
263void rxvt_display::unreg (xevent_watcher *w)
264{
265 if (w->active)
266 xw[w->active - 1] = 0;
267}
268
269void rxvt_display::set_selection_owner (rxvt_term *owner)
270{
271 if (selection_owner && selection_owner != owner)
272 selection_owner->selection_clear ();
273
274 selection_owner = owner;
275}
276
277#ifdef USE_XIM
278void rxvt_display::reg (im_watcher *w)
279{
280 imw.push_back (w);
281}
282
283void rxvt_display::unreg (im_watcher *w)
284{
285 imw.erase (find (imw.begin (), imw.end (), w));
286}
287
288rxvt_xim *rxvt_display::get_xim (const char *locale, const char *modifiers)
289{
290 char *id;
291 int l, m;
292
293 l = strlen (locale);
294 m = strlen (modifiers);
295
296 if (!(id = (char *)malloc (l + m + 2)))
297 return 0;
298
299 memcpy (id, locale, l); id[l] = '\n';
300 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
301
302 rxvt_xim *xim = xims.get (id);
303
304 free (id);
305
306 return xim;
307}
308
309void rxvt_display::put_xim (rxvt_xim *xim)
310{
311 xims.put (xim);
312}
313#endif
314
315Atom rxvt_display::atom (const char *name)
316{
317 return XInternAtom (display, name, False);
318}
319
320/////////////////////////////////////////////////////////////////////////////
321
322template class refcache<rxvt_display>;
323refcache<rxvt_display> displays;
324
325/////////////////////////////////////////////////////////////////////////////
326
6bool 327bool
7rxvt_color::set (pR_ Pixel p) 328rxvt_color::set (rxvt_display *display, Pixel p)
8{ 329{
9#if XFT 330#if XFT
10 XColor xc; 331 XColor xc;
11 332
12 xc.pixel = p; 333 xc.pixel = p;
13 if (!XQueryColor (R->Xdisplay, XCMAP, &xc)) 334 if (!XQueryColor (display->display, display->cmap, &xc))
14 return false; 335 return false;
15 336
16 XRenderColor d; 337 XRenderColor d;
17 338
18 d.red = xc.red; 339 d.red = xc.red;
19 d.green = xc.green; 340 d.green = xc.green;
20 d.blue = xc.blue; 341 d.blue = xc.blue;
21 d.alpha = 0xffff; 342 d.alpha = 0xffff;
22 343
23 return 344 return
24 XftColorAllocValue (R->Xdisplay, 345 XftColorAllocValue (display->display,
25 XVISUAL, 346 display->visual,
26 XCMAP,
27 &d, 347 display->cmap,
28 &c); 348 &d, &c);
29#else 349#else
30 this->p = p; 350 this->p = p;
31#endif 351#endif
32 352
33 return true; 353 return true;
34} 354}
35 355
36bool 356bool
37rxvt_color::set (pR_ const char *name) 357rxvt_color::set (rxvt_display *display, const char *name)
38{ 358{
39 XColor xc; 359 XColor xc;
40 360
41 if (XParseColor (R->Xdisplay, XCMAP, name, &xc)) 361 if (XParseColor (display->display, display->cmap, name, &xc))
42 return set (aR_ xc.red, xc.green, xc.blue); 362 return set (display, xc.red, xc.green, xc.blue);
43 363
44 return false; 364 return false;
45} 365}
46 366
47bool 367bool
48rxvt_color::set (pR_ unsigned short cr, unsigned short cg, unsigned short cb) 368rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
49{ 369{
50 XColor xc; 370 XColor xc;
51 371
52 xc.red = cr; 372 xc.red = cr;
53 xc.green = cg; 373 xc.green = cg;
54 xc.blue = cb; 374 xc.blue = cb;
55 xc.flags = DoRed | DoGreen | DoBlue; 375 xc.flags = DoRed | DoGreen | DoBlue;
56 376
57 if (XAllocColor (R->Xdisplay, XCMAP, &xc)) 377 if (XAllocColor (display->display, display->cmap, &xc))
58 return set (aR_ xc.pixel); 378 return set (display, xc.pixel);
59 379
60 return false; 380 return false;
61} 381}
62 382
63void 383void
64rxvt_color::get (pR_ unsigned short &cr, unsigned short &cg, unsigned short &cb) 384rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb)
65{ 385{
66#if XFT 386#if XFT
67 cr = c.color.red; 387 cr = c.color.red;
68 cg = c.color.green; 388 cg = c.color.green;
69 cb = c.color.blue; 389 cb = c.color.blue;
70#else 390#else
71 XColor c; 391 XColor c;
72 392
73 c.pixel = p; 393 c.pixel = p;
74 XQueryColor (R->Xdisplay, XCMAP, &c); 394 XQueryColor (display->display, display->cmap, &c);
75 395
76 cr = c.red; 396 cr = c.red;
77 cg = c.green; 397 cg = c.green;
78 cb = c.blue; 398 cb = c.blue;
79#endif 399#endif
80} 400}
81 401
402void
403rxvt_color::free (rxvt_display *display)
404{
405#if XFT
406 XftColorFree (display->display, display->visual, display->cmap, &c);
407#else
408 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
409#endif
410}
411

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