1 |
/*----------------------------------------------------------------------* |
2 |
* 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 |
#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 |
#include "ev_cpp.h" |
33 |
|
34 |
#include "rxvtlib.h" |
35 |
#include "rxvtutil.h" |
36 |
|
37 |
#include "callback.h" |
38 |
|
39 |
// see rxvttoolkit.C:xa_names, which must be kept in sync |
40 |
enum { |
41 |
XA_TEXT, |
42 |
XA_COMPOUND_TEXT, |
43 |
XA_UTF8_STRING, |
44 |
XA_MULTIPLE, |
45 |
XA_TARGETS, |
46 |
XA_TIMESTAMP, |
47 |
XA_VT_SELECTION, |
48 |
XA_INCR, |
49 |
XA_WM_PROTOCOLS, |
50 |
XA_WM_DELETE_WINDOW, |
51 |
XA_CLIPBOARD, |
52 |
XA_AVERAGE_WIDTH, |
53 |
XA_WEIGHT_NAME, |
54 |
XA_SLANT, |
55 |
XA_CHARSET_REGISTRY, |
56 |
XA_CHARSET_ENCODING, |
57 |
#if ENABLE_FRILLS |
58 |
XA_MOTIF_WM_HINTS, |
59 |
#endif |
60 |
#if ENABLE_EWMH |
61 |
XA_NET_WM_PID, |
62 |
XA_NET_WM_NAME, |
63 |
XA_NET_WM_ICON_NAME, |
64 |
XA_NET_WM_PING, |
65 |
#endif |
66 |
#if USE_XIM |
67 |
XA_WM_LOCALE_NAME, |
68 |
XA_XIM_SERVERS, |
69 |
#endif |
70 |
#if ENABLE_TRANSPARENCY |
71 |
XA_XROOTPMAP_ID, |
72 |
XA_ESETROOT_PMAP_ID, |
73 |
#endif |
74 |
#if ENABLE_XEMBED |
75 |
XA_XEMBED, |
76 |
XA_XEMBED_INFO, |
77 |
#endif |
78 |
#if !ENABLE_MINIMAL |
79 |
// these are usually allocated by other subsystens, but we do it |
80 |
// here to avoid a server roundtrip. |
81 |
XA_SCREEN_RESOURCES, |
82 |
XA_XDCCC_LINEAR_RGB_CORRECTION, |
83 |
XA_XDCCC_LINEAR_RGB_MATRICES, |
84 |
XA_WM_COLORMAP_WINDOWS, |
85 |
XA_WM_STATE, |
86 |
XA_cursor, |
87 |
# if USE_XIM |
88 |
// various selection targets used by XIM |
89 |
XA_TRANSPORT, |
90 |
XA_LOCALES, |
91 |
XA__XIM_PROTOCOL, |
92 |
XA__XIM_XCONNECT, |
93 |
XA__XIM_MOREDATA, |
94 |
# endif |
95 |
#endif |
96 |
NUM_XA |
97 |
}; |
98 |
|
99 |
struct rxvt_term; |
100 |
struct rxvt_display; |
101 |
|
102 |
struct im_watcher; |
103 |
struct xevent_watcher; |
104 |
|
105 |
template<class watcher> |
106 |
struct event_vec : vector<watcher *> { |
107 |
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 |
struct rxvt_watcher { |
119 |
int active; /* 0 == inactive, else index into respective vector */ |
120 |
|
121 |
bool is_active () { return active; } |
122 |
|
123 |
rxvt_watcher () : active (0) { } |
124 |
}; |
125 |
|
126 |
struct refcounted { |
127 |
int referenced; |
128 |
char *id; |
129 |
|
130 |
refcounted (const char *id); |
131 |
bool ref_init () { return false; } |
132 |
void ref_next () { } |
133 |
~refcounted (); |
134 |
}; |
135 |
|
136 |
template<class T> |
137 |
struct refcache : vector<T *> { |
138 |
T *get (const char *id); |
139 |
void put (T *obj); |
140 |
void clear (); |
141 |
|
142 |
~refcache () |
143 |
{ |
144 |
clear (); |
145 |
} |
146 |
}; |
147 |
|
148 |
///////////////////////////////////////////////////////////////////////////// |
149 |
|
150 |
struct rxvt_screen; |
151 |
|
152 |
struct rxvt_drawable { |
153 |
rxvt_screen *screen; |
154 |
Drawable drawable; |
155 |
operator Drawable() { return drawable; } |
156 |
|
157 |
#if XFT |
158 |
XftDraw *xftdrawable; |
159 |
operator XftDraw *(); |
160 |
#endif |
161 |
|
162 |
rxvt_drawable (rxvt_screen *screen, Drawable drawable) |
163 |
: screen(screen), |
164 |
#if XFT |
165 |
xftdrawable(0), |
166 |
#endif |
167 |
drawable(drawable) |
168 |
{ } |
169 |
|
170 |
#if XFT |
171 |
~rxvt_drawable (); |
172 |
#endif |
173 |
}; |
174 |
|
175 |
///////////////////////////////////////////////////////////////////////////// |
176 |
|
177 |
#ifdef USE_XIM |
178 |
struct rxvt_xim : refcounted { |
179 |
void destroy (); |
180 |
rxvt_display *display; |
181 |
|
182 |
//public |
183 |
XIM xim; |
184 |
|
185 |
rxvt_xim (const char *id) : refcounted (id) { } |
186 |
bool ref_init (); |
187 |
~rxvt_xim (); |
188 |
}; |
189 |
#endif |
190 |
|
191 |
struct rxvt_screen { |
192 |
rxvt_display *display; |
193 |
Display *dpy; |
194 |
int depth; |
195 |
Visual *visual; |
196 |
Colormap cmap; |
197 |
|
198 |
#if XFT |
199 |
// scratch pixmap |
200 |
rxvt_drawable *scratch_area; |
201 |
int scratch_w, scratch_h; |
202 |
|
203 |
rxvt_drawable &scratch_drawable (int w, int h); |
204 |
|
205 |
rxvt_screen (); |
206 |
#endif |
207 |
|
208 |
void set (rxvt_display *disp); |
209 |
void select_visual (int bitdepth); |
210 |
void clear (); |
211 |
}; |
212 |
|
213 |
struct rxvt_display : refcounted { |
214 |
event_vec<xevent_watcher> xw; |
215 |
|
216 |
ev::io x_ev; void x_cb (ev::io &w, int revents); |
217 |
|
218 |
#ifdef USE_XIM |
219 |
refcache<rxvt_xim> xims; |
220 |
vector<im_watcher *> imw; |
221 |
|
222 |
void im_change_cb (); |
223 |
void im_change_check (); |
224 |
#endif |
225 |
|
226 |
//public |
227 |
Display *dpy; |
228 |
int screen; |
229 |
Window root; |
230 |
rxvt_term *selection_owner; |
231 |
Atom xa[NUM_XA]; |
232 |
bool is_local; |
233 |
#ifdef POINTER_BLANK |
234 |
Cursor blank_cursor; |
235 |
#endif |
236 |
|
237 |
rxvt_display (const char *id); |
238 |
XrmDatabase get_resources (bool refresh); |
239 |
bool ref_init (); |
240 |
void ref_next (); |
241 |
~rxvt_display (); |
242 |
|
243 |
void flush (); |
244 |
Atom atom (const char *name); |
245 |
void set_selection_owner (rxvt_term *owner); |
246 |
|
247 |
void reg (xevent_watcher *w); |
248 |
void unreg (xevent_watcher *w); |
249 |
|
250 |
#ifdef USE_XIM |
251 |
void reg (im_watcher *w); |
252 |
void unreg (im_watcher *w); |
253 |
|
254 |
rxvt_xim *get_xim (const char *locale, const char *modifiers); |
255 |
void put_xim (rxvt_xim *xim); |
256 |
#endif |
257 |
}; |
258 |
|
259 |
#ifdef USE_XIM |
260 |
struct im_watcher : rxvt_watcher, callback<void (void)> { |
261 |
template<class O, class M> |
262 |
im_watcher (O object, M method) |
263 |
: callback<void (void)> (object, method) |
264 |
{ } |
265 |
|
266 |
void start (rxvt_display *display) |
267 |
{ |
268 |
display->reg (this); |
269 |
} |
270 |
|
271 |
void stop (rxvt_display *display) |
272 |
{ |
273 |
display->unreg (this); |
274 |
} |
275 |
}; |
276 |
#endif |
277 |
|
278 |
struct xevent_watcher : rxvt_watcher, callback<void (XEvent &)> { |
279 |
Window window; |
280 |
|
281 |
template<class O, class M> |
282 |
xevent_watcher (O object, M method) |
283 |
: callback<void (XEvent &)> (object, method) |
284 |
{ } |
285 |
|
286 |
void start (rxvt_display *display, Window window) |
287 |
{ |
288 |
this->window = window; |
289 |
display->reg (this); |
290 |
} |
291 |
|
292 |
void stop (rxvt_display *display) |
293 |
{ |
294 |
display->unreg (this); |
295 |
} |
296 |
}; |
297 |
|
298 |
extern refcache<rxvt_display> displays; |
299 |
|
300 |
///////////////////////////////////////////////////////////////////////////// |
301 |
|
302 |
typedef unsigned long Pixel; |
303 |
|
304 |
struct rgba { |
305 |
unsigned short r, g, b, a; |
306 |
|
307 |
enum { MIN_CC = 0x0000, MAX_CC = 0xffff }; |
308 |
|
309 |
rgba () |
310 |
{ } |
311 |
|
312 |
rgba (unsigned short r, unsigned short g, unsigned short b, unsigned short a = MAX_CC) |
313 |
: r(r), g(g), b(b), a(a) |
314 |
{ } |
315 |
}; |
316 |
|
317 |
struct rxvt_color { |
318 |
#if XFT |
319 |
XftColor c; |
320 |
#else |
321 |
XColor c; |
322 |
#endif |
323 |
|
324 |
operator Pixel () const { return c.pixel; } |
325 |
|
326 |
bool operator == (const rxvt_color &b) const { return Pixel (*this) == Pixel (b); } |
327 |
bool operator != (const rxvt_color &b) const { return Pixel (*this) != Pixel (b); } |
328 |
|
329 |
bool alloc (rxvt_screen *screen, const rgba &color); |
330 |
void free (rxvt_screen *screen); |
331 |
|
332 |
void get (rgba &color); |
333 |
void get (XColor &color); |
334 |
|
335 |
bool set (rxvt_screen *screen, const char *name); |
336 |
bool set (rxvt_screen *screen, const rgba &color); |
337 |
|
338 |
void fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to = rgba (0, 0, 0)); |
339 |
}; |
340 |
|
341 |
#endif |
342 |
|