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/cvs/rxvt-unicode/src/rxvttoolkit.h
Revision: 1.42
Committed: Wed Jan 23 05:59:30 2008 UTC (16 years, 4 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.41: +10 -0 lines
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# User Rev Content
1 root 1.27 /*----------------------------------------------------------------------*
2 root 1.26 * File: rxvttoolkit.h - provide toolkit-functionality for rxvt.
3     *----------------------------------------------------------------------*
4     *
5     * All portions of code are copyright by their respective author/s.
6     * Copyright (c) 2003-2006 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    
23 root 1.1 #ifndef RXVT_TOOLKIT_H
24     #define RXVT_TOOLKIT_H
25    
26     #include <X11/Xlib.h>
27    
28     #if XFT
29     # include <X11/Xft/Xft.h>
30     #endif
31    
32 root 1.34 #include "ev_cpp.h"
33 root 1.1
34     #include "rxvtutil.h"
35    
36     #include "callback.h"
37    
38 root 1.11 // see rxvttoolkit.C:xa_names, which must be kept in sync
39     enum {
40     XA_TEXT,
41     XA_COMPOUND_TEXT,
42     XA_UTF8_STRING,
43     XA_MULTIPLE,
44     XA_TARGETS,
45     XA_TIMESTAMP,
46     XA_VT_SELECTION,
47     XA_INCR,
48     XA_WM_PROTOCOLS,
49     XA_WM_DELETE_WINDOW,
50     XA_CLIPBOARD,
51 root 1.14 XA_AVERAGE_WIDTH,
52     XA_WEIGHT_NAME,
53     XA_SLANT,
54     XA_CHARSET_REGISTRY,
55     XA_CHARSET_ENCODING,
56 root 1.11 #if ENABLE_FRILLS
57     XA_MOTIF_WM_HINTS,
58     #endif
59     #if ENABLE_EWMH
60     XA_NET_WM_PID,
61     XA_NET_WM_NAME,
62     XA_NET_WM_ICON_NAME,
63     XA_NET_WM_PING,
64     #endif
65     #if USE_XIM
66     XA_WM_LOCALE_NAME,
67     XA_XIM_SERVERS,
68     #endif
69 root 1.31 #if ENABLE_TRANSPARENCY
70 root 1.11 XA_XROOTPMAP_ID,
71     XA_ESETROOT_PMAP_ID,
72     #endif
73     #if ENABLE_XEMBED
74     XA_XEMBED,
75     XA_XEMBED_INFO,
76     #endif
77 root 1.14 #if !ENABLE_MINIMAL
78 ayin 1.41 // these are usually allocated by other subsystems, but we do it
79 root 1.14 // here to avoid a server roundtrip.
80     XA_SCREEN_RESOURCES,
81     XA_XDCCC_LINEAR_RGB_CORRECTION,
82     XA_XDCCC_LINEAR_RGB_MATRICES,
83     XA_WM_COLORMAP_WINDOWS,
84     XA_WM_STATE,
85 root 1.15 XA_cursor,
86     # if USE_XIM
87     // various selection targets used by XIM
88     XA_TRANSPORT,
89     XA_LOCALES,
90     XA__XIM_PROTOCOL,
91     XA__XIM_XCONNECT,
92     XA__XIM_MOREDATA,
93     # endif
94 root 1.14 #endif
95 root 1.11 NUM_XA
96     };
97    
98 root 1.1 struct rxvt_term;
99 root 1.2 struct rxvt_display;
100 root 1.1
101     struct im_watcher;
102     struct xevent_watcher;
103    
104 root 1.34 template<class watcher>
105 root 1.37 struct event_vec : vector<watcher *>
106     {
107 root 1.34 void erase_unordered (unsigned int pos)
108     {
109     watcher *w = (*this)[this->size () - 1];
110     this->pop_back ();
111    
112     if (!this->empty ())
113     if (((*this)[pos] = w)) // '=' is correct!
114     w->active = pos + 1;
115     }
116     };
117    
118 root 1.37 struct rxvt_watcher
119     {
120 root 1.34 int active; /* 0 == inactive, else index into respective vector */
121    
122     bool is_active () { return active; }
123    
124     rxvt_watcher () : active (0) { }
125     };
126    
127 root 1.37 struct refcounted
128     {
129 root 1.1 int referenced;
130     char *id;
131    
132     refcounted (const char *id);
133 root 1.9 bool ref_init () { return false; }
134     void ref_next () { }
135 root 1.1 ~refcounted ();
136     };
137    
138     template<class T>
139 root 1.37 struct refcache : vector<T *>
140     {
141 root 1.1 T *get (const char *id);
142     void put (T *obj);
143 root 1.7 void clear ();
144    
145     ~refcache ()
146     {
147     clear ();
148     }
149 root 1.1 };
150    
151     /////////////////////////////////////////////////////////////////////////////
152    
153 root 1.24 struct rxvt_screen;
154    
155 root 1.37 struct rxvt_drawable
156     {
157 root 1.24 rxvt_screen *screen;
158     Drawable drawable;
159     operator Drawable() { return drawable; }
160    
161     #if XFT
162     XftDraw *xftdrawable;
163     operator XftDraw *();
164     #endif
165    
166     rxvt_drawable (rxvt_screen *screen, Drawable drawable)
167     : screen(screen),
168     #if XFT
169     xftdrawable(0),
170     #endif
171     drawable(drawable)
172     { }
173    
174     #if XFT
175     ~rxvt_drawable ();
176     #endif
177     };
178    
179     /////////////////////////////////////////////////////////////////////////////
180    
181 root 1.1 #ifdef USE_XIM
182 root 1.37 struct rxvt_xim : refcounted
183     {
184 root 1.1 void destroy ();
185     rxvt_display *display;
186    
187     //public
188     XIM xim;
189    
190     rxvt_xim (const char *id) : refcounted (id) { }
191 root 1.9 bool ref_init ();
192 root 1.1 ~rxvt_xim ();
193     };
194     #endif
195    
196 root 1.37 struct rxvt_screen
197     {
198 root 1.12 rxvt_display *display;
199 root 1.23 Display *dpy;
200 root 1.12 int depth;
201     Visual *visual;
202     Colormap cmap;
203    
204 root 1.24 #if XFT
205     // scratch pixmap
206     rxvt_drawable *scratch_area;
207     int scratch_w, scratch_h;
208    
209     rxvt_drawable &scratch_drawable (int w, int h);
210    
211     rxvt_screen ();
212     #endif
213    
214 root 1.12 void set (rxvt_display *disp);
215 root 1.29 void select_visual (int bitdepth);
216 root 1.12 void clear ();
217     };
218    
219 root 1.37 struct rxvt_display : refcounted
220     {
221 root 1.34 event_vec<xevent_watcher> xw;
222 root 1.1
223 root 1.38 ev::prepare flush_ev; void flush_cb (ev::prepare &w, int revents);
224     ev::io x_ev ; void x_cb (ev::io &w, int revents);
225 root 1.1
226     #ifdef USE_XIM
227     refcache<rxvt_xim> xims;
228     vector<im_watcher *> imw;
229    
230     void im_change_cb ();
231 root 1.3 void im_change_check ();
232 root 1.1 #endif
233    
234     //public
235 root 1.23 Display *dpy;
236 root 1.7 int screen;
237     Window root;
238 root 1.1 rxvt_term *selection_owner;
239 root 1.11 Atom xa[NUM_XA];
240 root 1.7 bool is_local;
241     #ifdef POINTER_BLANK
242     Cursor blank_cursor;
243 root 1.1 #endif
244    
245     rxvt_display (const char *id);
246 root 1.22 XrmDatabase get_resources (bool refresh);
247 root 1.9 bool ref_init ();
248     void ref_next ();
249 root 1.1 ~rxvt_display ();
250    
251 root 1.39 void flush ()
252     {
253     flush_ev.start ();
254     }
255    
256 root 1.5 Atom atom (const char *name);
257 root 1.1 void set_selection_owner (rxvt_term *owner);
258    
259     void reg (xevent_watcher *w);
260     void unreg (xevent_watcher *w);
261    
262     #ifdef USE_XIM
263     void reg (im_watcher *w);
264     void unreg (im_watcher *w);
265    
266     rxvt_xim *get_xim (const char *locale, const char *modifiers);
267     void put_xim (rxvt_xim *xim);
268     #endif
269     };
270    
271     #ifdef USE_XIM
272 root 1.34 struct im_watcher : rxvt_watcher, callback<void (void)> {
273 root 1.1 void start (rxvt_display *display)
274     {
275     display->reg (this);
276     }
277 root 1.34
278 root 1.1 void stop (rxvt_display *display)
279     {
280     display->unreg (this);
281     }
282     };
283     #endif
284    
285 root 1.37 struct xevent_watcher : rxvt_watcher, callback<void (XEvent &)>
286     {
287 root 1.1 Window window;
288    
289     void start (rxvt_display *display, Window window)
290     {
291     this->window = window;
292     display->reg (this);
293     }
294 root 1.34
295 root 1.1 void stop (rxvt_display *display)
296     {
297     display->unreg (this);
298     }
299     };
300    
301     extern refcache<rxvt_display> displays;
302    
303     /////////////////////////////////////////////////////////////////////////////
304    
305     typedef unsigned long Pixel;
306    
307 root 1.37 struct rgba
308     {
309 root 1.13 unsigned short r, g, b, a;
310    
311     enum { MIN_CC = 0x0000, MAX_CC = 0xffff };
312    
313 root 1.19 rgba ()
314 root 1.13 { }
315    
316 root 1.19 rgba (unsigned short r, unsigned short g, unsigned short b, unsigned short a = MAX_CC)
317 root 1.13 : r(r), g(g), b(b), a(a)
318     { }
319     };
320    
321 root 1.37 struct rxvt_color
322     {
323 root 1.1 #if XFT
324     XftColor c;
325     #else
326 root 1.19 XColor c;
327 root 1.1 #endif
328    
329 root 1.19 operator Pixel () const { return c.pixel; }
330    
331 root 1.1 bool operator == (const rxvt_color &b) const { return Pixel (*this) == Pixel (b); }
332     bool operator != (const rxvt_color &b) const { return Pixel (*this) != Pixel (b); }
333    
334 root 1.42 bool is_opaque () const
335     {
336     #if XFT
337     //TODO: only supports 24 bit truecolour
338     return c.color.alpha < 0xff00;
339     #else
340     return 1;
341     #endif
342     }
343    
344 root 1.19 bool alloc (rxvt_screen *screen, const rgba &color);
345 root 1.16 void free (rxvt_screen *screen);
346    
347 root 1.20 void get (rgba &color);
348 root 1.21 void get (XColor &color);
349 ayin 1.33
350 root 1.12 bool set (rxvt_screen *screen, const char *name);
351 root 1.19 bool set (rxvt_screen *screen, const rgba &color);
352 root 1.1
353 root 1.19 void fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to = rgba (0, 0, 0));
354 root 1.1 };
355    
356 sasha 1.35 #if TRACE_PIXMAPS
357     Pixmap trace_XCreatePixmap (const char *file, int line, Display *dpy, Window r, unsigned int w, unsigned int h, unsigned int d);
358     void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p);
359    
360     # define XCreatePixmap(dpy,r,w,h,d) trace_XCreatePixmap (__FILE__,__LINE__,dpy,r,w,h,d)
361     # define XFreePixmap(dpy,p) trace_XFreePixmap (__FILE__,__LINE__,dpy,p)
362     #endif
363    
364 root 1.1 #endif
365