1 | /* |
1 | /*----------------------------------------------------------------------* |
2 | * rxvttoolkit.h - provide toolkit-functionality for rxvt. |
2 | * File: rxvttoolkit.h - provide toolkit-functionality for rxvt. |
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3 | *----------------------------------------------------------------------* |
3 | */ |
4 | * |
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5 | * All portions of code are copyright by their respective author/s. |
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6 | * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com> |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or modify |
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9 | * it under the terms of the GNU General Public License as published by |
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10 | * the Free Software Foundation; either version 2 of the License, or |
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11 | * (at your option) any later version. |
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12 | * |
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13 | * This program is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | * GNU General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License |
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19 | * along with this program; if not, write to the Free Software |
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20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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21 | *----------------------------------------------------------------------*/ |
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22 | |
4 | #ifndef RXVT_TOOLKIT_H |
23 | #ifndef RXVT_TOOLKIT_H |
5 | #define RXVT_TOOLKIT_H |
24 | #define RXVT_TOOLKIT_H |
6 | |
25 | |
7 | #include <X11/Xlib.h> |
26 | #include <X11/Xlib.h> |
8 | |
27 | |
9 | #if XFT |
28 | #if XFT |
10 | # include <X11/Xft/Xft.h> |
29 | # include <X11/Xft/Xft.h> |
11 | #endif |
30 | #endif |
12 | |
31 | |
13 | #include "iom.h" |
32 | #include "ev_cpp.h" |
14 | |
33 | |
15 | #include "rxvtlib.h" |
34 | #include "rxvtlib.h" |
16 | #include "rxvtutil.h" |
35 | #include "rxvtutil.h" |
17 | |
36 | |
18 | #include "callback.h" |
37 | #include "callback.h" |
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46 | #endif |
65 | #endif |
47 | #if USE_XIM |
66 | #if USE_XIM |
48 | XA_WM_LOCALE_NAME, |
67 | XA_WM_LOCALE_NAME, |
49 | XA_XIM_SERVERS, |
68 | XA_XIM_SERVERS, |
50 | #endif |
69 | #endif |
51 | #if TRANSPARENT |
70 | #if ENABLE_TRANSPARENCY |
52 | XA_XROOTPMAP_ID, |
71 | XA_XROOTPMAP_ID, |
53 | XA_ESETROOT_PMAP_ID, |
72 | XA_ESETROOT_PMAP_ID, |
54 | #endif |
73 | #endif |
55 | #if ENABLE_XEMBED |
74 | #if ENABLE_XEMBED |
56 | XA_XEMBED, |
75 | XA_XEMBED, |
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81 | struct rxvt_display; |
100 | struct rxvt_display; |
82 | |
101 | |
83 | struct im_watcher; |
102 | struct im_watcher; |
84 | struct xevent_watcher; |
103 | struct xevent_watcher; |
85 | |
104 | |
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105 | template<class watcher> |
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106 | struct event_vec : vector<watcher *> |
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107 | { |
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108 | void erase_unordered (unsigned int pos) |
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109 | { |
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110 | watcher *w = (*this)[this->size () - 1]; |
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111 | this->pop_back (); |
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112 | |
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113 | if (!this->empty ()) |
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114 | if (((*this)[pos] = w)) // '=' is correct! |
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115 | w->active = pos + 1; |
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116 | } |
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117 | }; |
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118 | |
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119 | struct rxvt_watcher |
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120 | { |
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121 | int active; /* 0 == inactive, else index into respective vector */ |
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122 | |
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123 | bool is_active () { return active; } |
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124 | |
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125 | rxvt_watcher () : active (0) { } |
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126 | }; |
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127 | |
86 | struct refcounted { |
128 | struct refcounted |
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129 | { |
87 | int referenced; |
130 | int referenced; |
88 | char *id; |
131 | char *id; |
89 | |
132 | |
90 | refcounted (const char *id); |
133 | refcounted (const char *id); |
91 | bool ref_init () { return false; } |
134 | bool ref_init () { return false; } |
92 | void ref_next () { } |
135 | void ref_next () { } |
93 | ~refcounted (); |
136 | ~refcounted (); |
94 | }; |
137 | }; |
95 | |
138 | |
96 | template<class T> |
139 | template<class T> |
97 | struct refcache : vector<T *> { |
140 | struct refcache : vector<T *> |
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141 | { |
98 | T *get (const char *id); |
142 | T *get (const char *id); |
99 | void put (T *obj); |
143 | void put (T *obj); |
100 | void clear (); |
144 | void clear (); |
101 | |
145 | |
102 | ~refcache () |
146 | ~refcache () |
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105 | } |
149 | } |
106 | }; |
150 | }; |
107 | |
151 | |
108 | ///////////////////////////////////////////////////////////////////////////// |
152 | ///////////////////////////////////////////////////////////////////////////// |
109 | |
153 | |
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154 | struct rxvt_screen; |
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155 | |
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156 | struct rxvt_drawable |
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157 | { |
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158 | rxvt_screen *screen; |
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159 | Drawable drawable; |
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160 | operator Drawable() { return drawable; } |
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161 | |
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162 | #if XFT |
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163 | XftDraw *xftdrawable; |
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164 | operator XftDraw *(); |
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165 | #endif |
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166 | |
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167 | rxvt_drawable (rxvt_screen *screen, Drawable drawable) |
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168 | : screen(screen), |
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169 | #if XFT |
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170 | xftdrawable(0), |
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171 | #endif |
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172 | drawable(drawable) |
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173 | { } |
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174 | |
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175 | #if XFT |
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176 | ~rxvt_drawable (); |
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177 | #endif |
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178 | }; |
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179 | |
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180 | ///////////////////////////////////////////////////////////////////////////// |
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181 | |
110 | #ifdef USE_XIM |
182 | #ifdef USE_XIM |
111 | struct rxvt_xim : refcounted { |
183 | struct rxvt_xim : refcounted |
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184 | { |
112 | void destroy (); |
185 | void destroy (); |
113 | rxvt_display *display; |
186 | rxvt_display *display; |
114 | |
187 | |
115 | //public |
188 | //public |
116 | XIM xim; |
189 | XIM xim; |
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119 | bool ref_init (); |
192 | bool ref_init (); |
120 | ~rxvt_xim (); |
193 | ~rxvt_xim (); |
121 | }; |
194 | }; |
122 | #endif |
195 | #endif |
123 | |
196 | |
124 | struct rxvt_screen { |
197 | struct rxvt_screen |
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198 | { |
125 | rxvt_display *display; |
199 | rxvt_display *display; |
126 | Display *xdisp; |
200 | Display *dpy; |
127 | int depth; |
201 | int depth; |
128 | Visual *visual; |
202 | Visual *visual; |
129 | Colormap cmap; |
203 | Colormap cmap; |
130 | |
204 | |
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205 | #if XFT |
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206 | // scratch pixmap |
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207 | rxvt_drawable *scratch_area; |
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208 | int scratch_w, scratch_h; |
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209 | |
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210 | rxvt_drawable &scratch_drawable (int w, int h); |
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211 | |
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212 | rxvt_screen (); |
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213 | #endif |
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214 | |
131 | void set (rxvt_display *disp); |
215 | void set (rxvt_display *disp); |
132 | void set (rxvt_display *disp, int bitdepth); |
216 | void select_visual (int bitdepth); |
133 | void clear (); |
217 | void clear (); |
134 | }; |
218 | }; |
135 | |
219 | |
136 | struct rxvt_display : refcounted { |
220 | struct rxvt_display : refcounted |
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221 | { |
137 | io_manager_vec<xevent_watcher> xw; |
222 | event_vec<xevent_watcher> xw; |
138 | |
223 | |
139 | io_watcher x_ev; void x_cb (io_watcher &w, short revents); |
224 | ev::prepare flush_ev; void flush_cb (ev::prepare &w, int revents); |
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225 | ev::io x_ev ; void x_cb (ev::io &w, int revents); |
140 | |
226 | |
141 | #ifdef USE_XIM |
227 | #ifdef USE_XIM |
142 | refcache<rxvt_xim> xims; |
228 | refcache<rxvt_xim> xims; |
143 | vector<im_watcher *> imw; |
229 | vector<im_watcher *> imw; |
144 | |
230 | |
145 | void im_change_cb (); |
231 | void im_change_cb (); |
146 | void im_change_check (); |
232 | void im_change_check (); |
147 | #endif |
233 | #endif |
148 | |
234 | |
149 | //public |
235 | //public |
150 | Display *display; |
236 | Display *dpy; |
151 | int screen; |
237 | int screen; |
152 | Window root; |
238 | Window root; |
153 | rxvt_term *selection_owner; |
239 | rxvt_term *selection_owner; |
154 | Atom xa[NUM_XA]; |
240 | Atom xa[NUM_XA]; |
155 | #ifndef NO_SLOW_LINK_SUPPORT |
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156 | bool is_local; |
241 | bool is_local; |
157 | #endif |
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158 | #ifdef POINTER_BLANK |
242 | #ifdef POINTER_BLANK |
159 | Cursor blank_cursor; |
243 | Cursor blank_cursor; |
160 | #endif |
244 | #endif |
161 | |
245 | |
162 | rxvt_display (const char *id); |
246 | rxvt_display (const char *id); |
163 | XrmDatabase get_resources (); |
247 | XrmDatabase get_resources (bool refresh); |
164 | bool ref_init (); |
248 | bool ref_init (); |
165 | void ref_next (); |
249 | void ref_next (); |
166 | ~rxvt_display (); |
250 | ~rxvt_display (); |
167 | |
251 | |
168 | void flush (); |
252 | void flush () |
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253 | { |
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254 | flush_ev.start (); |
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255 | } |
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256 | |
169 | Atom atom (const char *name); |
257 | Atom atom (const char *name); |
170 | void set_selection_owner (rxvt_term *owner); |
258 | void set_selection_owner (rxvt_term *owner); |
171 | |
259 | |
172 | void reg (xevent_watcher *w); |
260 | void reg (xevent_watcher *w); |
173 | void unreg (xevent_watcher *w); |
261 | void unreg (xevent_watcher *w); |
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180 | void put_xim (rxvt_xim *xim); |
268 | void put_xim (rxvt_xim *xim); |
181 | #endif |
269 | #endif |
182 | }; |
270 | }; |
183 | |
271 | |
184 | #ifdef USE_XIM |
272 | #ifdef USE_XIM |
185 | struct im_watcher : watcher, callback0<void> { |
273 | struct im_watcher : rxvt_watcher, callback<void (void)> { |
186 | template<class O1, class O2> |
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187 | im_watcher (O1 *object, void (O2::*method) ()) |
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188 | : callback0<void> (object,method) |
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189 | { } |
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190 | |
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191 | void start (rxvt_display *display) |
274 | void start (rxvt_display *display) |
192 | { |
275 | { |
193 | display->reg (this); |
276 | display->reg (this); |
194 | } |
277 | } |
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278 | |
195 | void stop (rxvt_display *display) |
279 | void stop (rxvt_display *display) |
196 | { |
280 | { |
197 | display->unreg (this); |
281 | display->unreg (this); |
198 | } |
282 | } |
199 | }; |
283 | }; |
200 | #endif |
284 | #endif |
201 | |
285 | |
202 | struct xevent_watcher : watcher, callback1<void, XEvent &> { |
286 | struct xevent_watcher : rxvt_watcher, callback<void (XEvent &)> |
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287 | { |
203 | Window window; |
288 | Window window; |
204 | |
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205 | template<class O1, class O2> |
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206 | xevent_watcher (O1 *object, void (O2::*method) (XEvent &)) |
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207 | : callback1<void, XEvent &> (object,method) |
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208 | { } |
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209 | |
289 | |
210 | void start (rxvt_display *display, Window window) |
290 | void start (rxvt_display *display, Window window) |
211 | { |
291 | { |
212 | this->window = window; |
292 | this->window = window; |
213 | display->reg (this); |
293 | display->reg (this); |
214 | } |
294 | } |
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295 | |
215 | void stop (rxvt_display *display) |
296 | void stop (rxvt_display *display) |
216 | { |
297 | { |
217 | display->unreg (this); |
298 | display->unreg (this); |
218 | } |
299 | } |
219 | }; |
300 | }; |
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222 | |
303 | |
223 | ///////////////////////////////////////////////////////////////////////////// |
304 | ///////////////////////////////////////////////////////////////////////////// |
224 | |
305 | |
225 | typedef unsigned long Pixel; |
306 | typedef unsigned long Pixel; |
226 | |
307 | |
227 | struct rxvt_rgba { |
308 | struct rgba |
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309 | { |
228 | unsigned short r, g, b, a; |
310 | unsigned short r, g, b, a; |
229 | |
311 | |
230 | enum { MIN_CC = 0x0000, MAX_CC = 0xffff }; |
312 | enum { MIN_CC = 0x0000, MAX_CC = 0xffff }; |
231 | |
313 | |
232 | rxvt_rgba () |
314 | rgba () |
233 | { } |
315 | { } |
234 | |
316 | |
235 | rxvt_rgba (unsigned short r, unsigned short g, unsigned short b, unsigned short a = MAX_CC) |
317 | rgba (unsigned short r, unsigned short g, unsigned short b, unsigned short a = MAX_CC) |
236 | : r(r), g(g), b(b), a(a) |
318 | : r(r), g(g), b(b), a(a) |
237 | { } |
319 | { } |
238 | }; |
320 | }; |
239 | |
321 | |
240 | struct rxvt_color { |
322 | struct rxvt_color |
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323 | { |
241 | #if XFT |
324 | #if XFT |
242 | XftColor c; |
325 | XftColor c; |
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326 | #else |
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327 | XColor c; |
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328 | #endif |
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329 | |
243 | operator Pixel () const { return c.pixel; } |
330 | operator Pixel () const { return c.pixel; } |
244 | #else |
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245 | Pixel p; |
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246 | operator Pixel () const { return p; } |
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247 | #endif |
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248 | |
331 | |
249 | 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); } |
250 | bool operator != (const rxvt_color &b) const { return Pixel (*this) != Pixel (b); } |
333 | bool operator != (const rxvt_color &b) const { return Pixel (*this) != Pixel (b); } |
251 | |
334 | |
252 | void get (rxvt_screen *screen, rxvt_rgba &rgba); |
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253 | |
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254 | bool alloc (rxvt_screen *screen, rxvt_rgba rgba); |
335 | bool alloc (rxvt_screen *screen, const rgba &color); |
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336 | void free (rxvt_screen *screen); |
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337 | |
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338 | void get (rgba &color); |
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339 | void get (XColor &color); |
255 | |
340 | |
256 | bool set (rxvt_screen *screen, const char *name); |
341 | bool set (rxvt_screen *screen, const char *name); |
257 | bool set (rxvt_screen *screen, rxvt_rgba rgba); |
342 | bool set (rxvt_screen *screen, const rgba &color); |
258 | |
343 | |
259 | rxvt_color fade (rxvt_screen *screen, int percent); // fades to black |
344 | void fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to = rgba (0, 0, 0)); |
260 | rxvt_color fade (rxvt_screen *screen, int percent, rxvt_color &fadeto); |
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261 | |
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262 | void free (rxvt_screen *screen); |
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263 | }; |
345 | }; |
264 | |
346 | |
265 | #endif |
347 | #if TRACE_PIXMAPS |
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348 | Pixmap trace_XCreatePixmap (const char *file, int line, Display *dpy, Window r, unsigned int w, unsigned int h, unsigned int d); |
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349 | void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p); |
266 | |
350 | |
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351 | # define XCreatePixmap(dpy,r,w,h,d) trace_XCreatePixmap (__FILE__,__LINE__,dpy,r,w,h,d) |
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352 | # define XFreePixmap(dpy,p) trace_XFreePixmap (__FILE__,__LINE__,dpy,p) |
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353 | #endif |
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354 | |
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355 | #endif |
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356 | |