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/cvs/rxvt-unicode/src/rxvtcolor.C
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Comparing rxvt-unicode/src/rxvtcolor.C (file contents):
Revision 1.5 by pcg, Tue Feb 10 00:40:39 2004 UTC vs.
Revision 1.17 by root, Thu Jul 29 22:34:12 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>
3#include <rxvtcolor.h> 25#include <rxvtcolor.h>
4 26
5#include <unistd.h> 27#include <unistd.h>
6#include <fcntl.h> 28#include <fcntl.h>
7 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
8///////////////////////////////////////////////////////////////////////////// 105/////////////////////////////////////////////////////////////////////////////
9 106
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 ((void (*)(XIM, ...)) XSetIMValues)
133 (xim, XNDestroyCallback, &ximcallback, NULL);
134
135 return true;
136}
137
138rxvt_xim::~rxvt_xim ()
139{
140 if (xim)
141 XCloseIM (xim);
142}
143#endif
144
145/////////////////////////////////////////////////////////////////////////////
146
10rxvt_display::rxvt_display (const char *name) 147rxvt_display::rxvt_display (const char *id)
148: refcounted (id)
11: x_watcher (this, &rxvt_display::x_event) 149, x_ev (this, &rxvt_display::x_cb)
12, selection_owner (0) 150, selection_owner (0)
13{ 151{
14 this->name = STRDUP (name);
15} 152}
16 153
17rxvt_display::~rxvt_display ()
18{
19 free (name);
20}
21
22bool rxvt_display::open () 154bool rxvt_display::init ()
23{ 155{
24 display = XOpenDisplay (name); 156 display = XOpenDisplay (id);
157
158 if (!display)
159 return false;
25 160
26 screen = DefaultScreen (display); 161 screen = DefaultScreen (display);
27 root = DefaultRootWindow (display); 162 root = DefaultRootWindow (display);
28 visual = DefaultVisual (display, screen); 163 visual = DefaultVisual (display, screen);
29 cmap = DefaultColormap (display, screen); 164 cmap = DefaultColormap (display, screen);
… …
47 } 182 }
48 } 183 }
49#endif 184#endif
50 185
51 int fd = XConnectionNumber (display); 186 int fd = XConnectionNumber (display);
52 x_watcher.start (fd, EVENT_READ); 187 x_ev.start (fd, EVENT_READ);
53 fcntl (fd, F_SETFL, FD_CLOEXEC); 188 fcntl (fd, F_SETFD, FD_CLOEXEC);
189
190 XSelectInput (display, root, PropertyChangeMask);
191#ifdef USE_XIM
192 xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
193#endif
194
195 flush ();
54 196
55 return true; 197 return true;
56} 198}
57 199
58void rxvt_display::close () 200rxvt_display::~rxvt_display ()
59{ 201{
60 x_watcher.stop (); 202 x_ev.stop ();
61 203
204 if (display)
62 XCloseDisplay (display); 205 XCloseDisplay (display);
63} 206}
64 207
208#ifdef USE_XIM
209void rxvt_display::im_change_cb ()
210{
211 for (im_watcher **i = imw.begin (); i != imw.end (); ++i)
212 (*i)->call ();
213}
214#endif
215
65void rxvt_display::x_event (io_watcher &w, short revents) 216void rxvt_display::x_cb (io_watcher &w, short revents)
66{ 217{
67 do 218 do
68 { 219 {
69 XEvent xev; 220 XEvent xev;
70 XNextEvent (display, &xev); 221 XNextEvent (display, &xev);
222
223 //printf ("T %d w %lx\n", xev.type, xev.xany.window);//D
224
225#ifdef USE_XIM
226 if (xev.type == PropertyNotify
227 && xev.xany.window == root
228 && xev.xproperty.atom == xa_xim_servers)
229 im_change_cb ();
230#endif
71 231
72 for (int i = xw.size (); i--; ) 232 for (int i = xw.size (); i--; )
73 { 233 {
74 if (!xw[i]) 234 if (!xw[i])
75 xw.erase_unordered (i); 235 xw.erase_unordered (i);
76 else if (xw[i]->window == xev.xany.window) 236 else if (xw[i]->window == xev.xany.window)
77 xw[i]->call (xev); 237 xw[i]->call (xev);
78 } 238 }
79 } 239 }
80 while (XPending (display)); 240 while (XPending (display));
241
242 flush ();
243}
244
245void rxvt_display::flush ()
246{
247 for (;;)
248 {
249 XFlush (display);
250
251 if (!XPending (display))
252 break;
253
254 x_cb (x_ev, 0);
255 }
81} 256}
82 257
83void rxvt_display::reg (xevent_watcher *w) 258void rxvt_display::reg (xevent_watcher *w)
84{ 259{
85 xw.push_back (w); 260 xw.push_back (w);
… …
98 selection_owner->selection_clear (); 273 selection_owner->selection_clear ();
99 274
100 selection_owner = owner; 275 selection_owner = owner;
101} 276}
102 277
278#ifdef USE_XIM
279void rxvt_display::reg (im_watcher *w)
280{
281 imw.push_back (w);
282}
283
284void rxvt_display::unreg (im_watcher *w)
285{
286 imw.erase (find (imw.begin (), imw.end (), w));
287}
288
289rxvt_xim *rxvt_display::get_xim (const char *locale, const char *modifiers)
290{
291 char *id;
292 int l, m;
293
294 l = strlen (locale);
295 m = strlen (modifiers);
296
297 if (!(id = (char *)malloc (l + m + 2)))
298 return 0;
299
300 memcpy (id, locale, l); id[l] = '\n';
301 memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0;
302
303 rxvt_xim *xim = xims.get (id);
304
305 free (id);
306
307 return xim;
308}
309
310void rxvt_display::put_xim (rxvt_xim *xim)
311{
312 xims.put (xim);
313}
314#endif
315
316Atom rxvt_display::atom (const char *name)
317{
318 return XInternAtom (display, name, False);
319}
320
103///////////////////////////////////////////////////////////////////////////// 321/////////////////////////////////////////////////////////////////////////////
104 322
323template class refcache<rxvt_display>;
105rxvt_displays displays; 324refcache<rxvt_display> displays;
106
107rxvt_display *rxvt_displays::get (const char *name)
108{
109 for (rxvt_display **i = list.begin (); i < list.end (); ++i)
110 {
111 if (!strcmp (name, (*i)->name))
112 {
113 (*i)->referenced++;
114 return *i;
115 }
116 }
117
118 rxvt_display *display = new rxvt_display (name);
119
120 display->referenced = 1;
121
122 if (display && display->open ())
123 list.push_back (display);
124 else
125 {
126 delete display;
127 display = 0;
128 }
129
130 return display;
131}
132
133void rxvt_displays::release (rxvt_display *display)
134{
135 if (!--display->referenced)
136 {
137 display->close ();
138 delete display;
139 list.erase (find (list.begin (), list.end (), display));
140 }
141}
142 325
143///////////////////////////////////////////////////////////////////////////// 326/////////////////////////////////////////////////////////////////////////////
144 327
145bool 328bool
146rxvt_color::set (rxvt_display *display, Pixel p) 329rxvt_color::set (rxvt_display *display, Pixel p)
… …
221rxvt_color::free (rxvt_display *display) 404rxvt_color::free (rxvt_display *display)
222{ 405{
223#if XFT 406#if XFT
224 XftColorFree (display->display, display->visual, display->cmap, &c); 407 XftColorFree (display->display, display->visual, display->cmap, &c);
225#else 408#else
226 XFreeColors (display->display, display->cmap, &c, 1, AllPlanes); 409 XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
227#endif 410#endif
228} 411}
229 412

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