1 | /*----------------------------------------------------------------------* |
1 | /*----------------------------------------------------------------------* |
2 | * File: rxvttoolkit.h - provide toolkit-functionality for rxvt. |
2 | * File: rxvttoolkit.h - provide toolkit-functionality for rxvt. |
3 | *----------------------------------------------------------------------* |
3 | *----------------------------------------------------------------------* |
4 | * |
4 | * |
5 | * All portions of code are copyright by their respective author/s. |
5 | * All portions of code are copyright by their respective author/s. |
6 | * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com> |
6 | * Copyright (c) 2003-2011 Marc Lehmann <schmorp@schmorp.de> |
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7 | * Copyright (c) 2011 Emanuele Giaquinta <e.giaquinta@glauco.it> |
7 | * |
8 | * |
8 | * This program is free software; you can redistribute it and/or modify |
9 | * 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 | * 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 | * the Free Software Foundation; either version 2 of the License, or |
11 | * (at your option) any later version. |
12 | * (at your option) any later version. |
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27 | |
28 | |
28 | #if XFT |
29 | #if XFT |
29 | # include <X11/Xft/Xft.h> |
30 | # include <X11/Xft/Xft.h> |
30 | #endif |
31 | #endif |
31 | |
32 | |
32 | #include "iom.h" |
33 | #include "ev_cpp.h" |
33 | |
34 | |
34 | #include "rxvtlib.h" |
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35 | #include "rxvtutil.h" |
35 | #include "rxvtutil.h" |
36 | |
36 | |
37 | #include "callback.h" |
37 | #include "callback.h" |
38 | |
38 | |
39 | // see rxvttoolkit.C:xa_names, which must be kept in sync |
39 | // see rxvttoolkit.C:xa_names, which must be kept in sync |
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60 | #if ENABLE_EWMH |
60 | #if ENABLE_EWMH |
61 | XA_NET_WM_PID, |
61 | XA_NET_WM_PID, |
62 | XA_NET_WM_NAME, |
62 | XA_NET_WM_NAME, |
63 | XA_NET_WM_ICON_NAME, |
63 | XA_NET_WM_ICON_NAME, |
64 | XA_NET_WM_PING, |
64 | XA_NET_WM_PING, |
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65 | XA_NET_WM_ICON, |
65 | #endif |
66 | #endif |
66 | #if USE_XIM |
67 | #if USE_XIM |
67 | XA_WM_LOCALE_NAME, |
68 | XA_WM_LOCALE_NAME, |
68 | XA_XIM_SERVERS, |
69 | XA_XIM_SERVERS, |
69 | #endif |
70 | #endif |
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74 | #if ENABLE_XEMBED |
75 | #if ENABLE_XEMBED |
75 | XA_XEMBED, |
76 | XA_XEMBED, |
76 | XA_XEMBED_INFO, |
77 | XA_XEMBED_INFO, |
77 | #endif |
78 | #endif |
78 | #if !ENABLE_MINIMAL |
79 | #if !ENABLE_MINIMAL |
79 | // these are usually allocated by other subsystens, but we do it |
80 | // these are usually allocated by other subsystems, but we do it |
80 | // here to avoid a server roundtrip. |
81 | // here to avoid a server roundtrip. |
81 | XA_SCREEN_RESOURCES, |
82 | XA_SCREEN_RESOURCES, |
82 | XA_XDCCC_LINEAR_RGB_CORRECTION, |
83 | XA_XDCCC_LINEAR_RGB_CORRECTION, |
83 | XA_XDCCC_LINEAR_RGB_MATRICES, |
84 | XA_XDCCC_LINEAR_RGB_MATRICES, |
84 | XA_WM_COLORMAP_WINDOWS, |
85 | XA_WM_COLORMAP_WINDOWS, |
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100 | struct rxvt_display; |
101 | struct rxvt_display; |
101 | |
102 | |
102 | struct im_watcher; |
103 | struct im_watcher; |
103 | struct xevent_watcher; |
104 | struct xevent_watcher; |
104 | |
105 | |
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106 | template<class watcher> |
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107 | struct event_vec : vector<watcher *> |
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108 | { |
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109 | void erase_unordered (unsigned int pos) |
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110 | { |
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111 | watcher *w = (*this)[this->size () - 1]; |
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112 | this->pop_back (); |
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113 | |
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114 | if (!this->empty ()) |
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115 | if (((*this)[pos] = w)) // '=' is correct! |
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116 | w->active = pos + 1; |
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117 | } |
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118 | }; |
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119 | |
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120 | struct rxvt_watcher |
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121 | { |
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122 | int active; /* 0 == inactive, else index into respective vector */ |
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123 | |
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124 | bool is_active () { return active; } |
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125 | |
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126 | rxvt_watcher () : active (0) { } |
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127 | }; |
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128 | |
105 | struct refcounted { |
129 | struct refcounted |
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130 | { |
106 | int referenced; |
131 | int referenced; |
107 | char *id; |
132 | char *id; |
108 | |
133 | |
109 | refcounted (const char *id); |
134 | refcounted (const char *id); |
110 | bool ref_init () { return false; } |
135 | bool ref_init () { return false; } |
111 | void ref_next () { } |
136 | void ref_next () { } |
112 | ~refcounted (); |
137 | ~refcounted (); |
113 | }; |
138 | }; |
114 | |
139 | |
115 | template<class T> |
140 | template<class T> |
116 | struct refcache : vector<T *> { |
141 | struct refcache : vector<T *> |
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142 | { |
117 | T *get (const char *id); |
143 | T *get (const char *id); |
118 | void put (T *obj); |
144 | void put (T *obj); |
119 | void clear (); |
145 | void clear (); |
120 | |
146 | |
121 | ~refcache () |
147 | ~refcache () |
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126 | |
152 | |
127 | ///////////////////////////////////////////////////////////////////////////// |
153 | ///////////////////////////////////////////////////////////////////////////// |
128 | |
154 | |
129 | struct rxvt_screen; |
155 | struct rxvt_screen; |
130 | |
156 | |
131 | struct rxvt_drawable { |
157 | struct rxvt_drawable |
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158 | { |
132 | rxvt_screen *screen; |
159 | rxvt_screen *screen; |
133 | Drawable drawable; |
160 | Drawable drawable; |
134 | operator Drawable() { return drawable; } |
161 | operator Drawable() { return drawable; } |
135 | |
162 | |
136 | #if XFT |
163 | #if XFT |
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152 | }; |
179 | }; |
153 | |
180 | |
154 | ///////////////////////////////////////////////////////////////////////////// |
181 | ///////////////////////////////////////////////////////////////////////////// |
155 | |
182 | |
156 | #ifdef USE_XIM |
183 | #ifdef USE_XIM |
157 | struct rxvt_xim : refcounted { |
184 | struct rxvt_xim : refcounted |
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185 | { |
158 | void destroy (); |
186 | void destroy (); |
159 | rxvt_display *display; |
187 | rxvt_display *display; |
160 | |
188 | |
161 | //public |
189 | //public |
162 | XIM xim; |
190 | XIM xim; |
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165 | bool ref_init (); |
193 | bool ref_init (); |
166 | ~rxvt_xim (); |
194 | ~rxvt_xim (); |
167 | }; |
195 | }; |
168 | #endif |
196 | #endif |
169 | |
197 | |
170 | struct rxvt_screen { |
198 | struct rxvt_screen |
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199 | { |
171 | rxvt_display *display; |
200 | rxvt_display *display; |
172 | Display *dpy; |
201 | Display *dpy; |
173 | int depth; |
202 | int depth; |
174 | Visual *visual; |
203 | Visual *visual; |
175 | Colormap cmap; |
204 | Colormap cmap; |
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187 | void set (rxvt_display *disp); |
216 | void set (rxvt_display *disp); |
188 | void select_visual (int bitdepth); |
217 | void select_visual (int bitdepth); |
189 | void clear (); |
218 | void clear (); |
190 | }; |
219 | }; |
191 | |
220 | |
192 | struct rxvt_display : refcounted { |
221 | struct rxvt_display : refcounted |
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222 | { |
193 | io_manager_vec<xevent_watcher> xw; |
223 | event_vec<xevent_watcher> xw; |
194 | |
224 | |
195 | io_watcher x_ev; void x_cb (io_watcher &w, short revents); |
225 | ev::prepare flush_ev; void flush_cb (ev::prepare &w, int revents); |
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226 | ev::io x_ev ; void x_cb (ev::io &w, int revents); |
196 | |
227 | |
197 | #ifdef USE_XIM |
228 | #ifdef USE_XIM |
198 | refcache<rxvt_xim> xims; |
229 | refcache<rxvt_xim> xims; |
199 | vector<im_watcher *> imw; |
230 | vector<im_watcher *> imw; |
200 | |
231 | |
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205 | //public |
236 | //public |
206 | Display *dpy; |
237 | Display *dpy; |
207 | int screen; |
238 | int screen; |
208 | Window root; |
239 | Window root; |
209 | rxvt_term *selection_owner; |
240 | rxvt_term *selection_owner; |
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241 | rxvt_term *clipboard_owner; |
210 | Atom xa[NUM_XA]; |
242 | Atom xa[NUM_XA]; |
211 | bool is_local; |
243 | bool is_local; |
212 | #ifdef POINTER_BLANK |
244 | #ifdef POINTER_BLANK |
213 | Cursor blank_cursor; |
245 | Cursor blank_cursor; |
214 | #endif |
246 | #endif |
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217 | XrmDatabase get_resources (bool refresh); |
249 | XrmDatabase get_resources (bool refresh); |
218 | bool ref_init (); |
250 | bool ref_init (); |
219 | void ref_next (); |
251 | void ref_next (); |
220 | ~rxvt_display (); |
252 | ~rxvt_display (); |
221 | |
253 | |
222 | void flush (); |
254 | void flush () |
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255 | { |
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256 | flush_ev.start (); |
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257 | } |
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258 | |
223 | Atom atom (const char *name); |
259 | Atom atom (const char *name); |
224 | void set_selection_owner (rxvt_term *owner); |
260 | void set_selection_owner (rxvt_term *owner, bool clipboard); |
225 | |
261 | |
226 | void reg (xevent_watcher *w); |
262 | void reg (xevent_watcher *w); |
227 | void unreg (xevent_watcher *w); |
263 | void unreg (xevent_watcher *w); |
228 | |
264 | |
229 | #ifdef USE_XIM |
265 | #ifdef USE_XIM |
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234 | void put_xim (rxvt_xim *xim); |
270 | void put_xim (rxvt_xim *xim); |
235 | #endif |
271 | #endif |
236 | }; |
272 | }; |
237 | |
273 | |
238 | #ifdef USE_XIM |
274 | #ifdef USE_XIM |
239 | struct im_watcher : watcher, callback<void (void)> { |
275 | struct im_watcher : rxvt_watcher, callback<void (void)> |
240 | template<class O, class M> |
276 | { |
241 | im_watcher (O object, M method) |
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242 | : callback<void (void)> (object, method) |
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243 | { } |
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244 | |
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245 | void start (rxvt_display *display) |
277 | void start (rxvt_display *display) |
246 | { |
278 | { |
247 | display->reg (this); |
279 | display->reg (this); |
248 | } |
280 | } |
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281 | |
249 | void stop (rxvt_display *display) |
282 | void stop (rxvt_display *display) |
250 | { |
283 | { |
251 | display->unreg (this); |
284 | display->unreg (this); |
252 | } |
285 | } |
253 | }; |
286 | }; |
254 | #endif |
287 | #endif |
255 | |
288 | |
256 | struct xevent_watcher : watcher, callback<void (XEvent &)> { |
289 | struct xevent_watcher : rxvt_watcher, callback<void (XEvent &)> |
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290 | { |
257 | Window window; |
291 | Window window; |
258 | |
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259 | template<class O, class M> |
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260 | xevent_watcher (O object, M method) |
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261 | : callback<void (XEvent &)> (object, method) |
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262 | { } |
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263 | |
292 | |
264 | void start (rxvt_display *display, Window window) |
293 | void start (rxvt_display *display, Window window) |
265 | { |
294 | { |
266 | this->window = window; |
295 | this->window = window; |
267 | display->reg (this); |
296 | display->reg (this); |
268 | } |
297 | } |
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298 | |
269 | void stop (rxvt_display *display) |
299 | void stop (rxvt_display *display) |
270 | { |
300 | { |
271 | display->unreg (this); |
301 | display->unreg (this); |
272 | } |
302 | } |
273 | }; |
303 | }; |
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276 | |
306 | |
277 | ///////////////////////////////////////////////////////////////////////////// |
307 | ///////////////////////////////////////////////////////////////////////////// |
278 | |
308 | |
279 | typedef unsigned long Pixel; |
309 | typedef unsigned long Pixel; |
280 | |
310 | |
281 | struct rgba { |
311 | struct rgba |
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312 | { |
282 | unsigned short r, g, b, a; |
313 | unsigned short r, g, b, a; |
283 | |
314 | |
284 | enum { MIN_CC = 0x0000, MAX_CC = 0xffff }; |
315 | enum { MIN_CC = 0x0000, MAX_CC = 0xffff }; |
285 | |
316 | |
286 | rgba () |
317 | rgba () |
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289 | rgba (unsigned short r, unsigned short g, unsigned short b, unsigned short a = MAX_CC) |
320 | rgba (unsigned short r, unsigned short g, unsigned short b, unsigned short a = MAX_CC) |
290 | : r(r), g(g), b(b), a(a) |
321 | : r(r), g(g), b(b), a(a) |
291 | { } |
322 | { } |
292 | }; |
323 | }; |
293 | |
324 | |
294 | struct rxvt_color { |
325 | struct rxvt_color |
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326 | { |
295 | #if XFT |
327 | #if XFT |
296 | XftColor c; |
328 | XftColor c; |
297 | #else |
329 | #else |
298 | XColor c; |
330 | XColor c; |
299 | #endif |
331 | #endif |
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301 | operator Pixel () const { return c.pixel; } |
333 | operator Pixel () const { return c.pixel; } |
302 | |
334 | |
303 | bool operator == (const rxvt_color &b) const { return Pixel (*this) == Pixel (b); } |
335 | bool operator == (const rxvt_color &b) const { return Pixel (*this) == Pixel (b); } |
304 | bool operator != (const rxvt_color &b) const { return Pixel (*this) != Pixel (b); } |
336 | bool operator != (const rxvt_color &b) const { return Pixel (*this) != Pixel (b); } |
305 | |
337 | |
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338 | bool is_opaque () const |
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339 | { |
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340 | #if XFT |
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341 | return c.color.alpha == rgba::MAX_CC; |
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342 | #else |
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343 | return 1; |
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344 | #endif |
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345 | } |
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346 | |
306 | bool alloc (rxvt_screen *screen, const rgba &color); |
347 | bool alloc (rxvt_screen *screen, const rgba &color); |
307 | void free (rxvt_screen *screen); |
348 | void free (rxvt_screen *screen); |
308 | |
349 | |
309 | void get (rgba &color); |
350 | void get (rgba &color); |
310 | void get (XColor &color); |
351 | void get (XColor &color); |
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313 | bool set (rxvt_screen *screen, const rgba &color); |
354 | bool set (rxvt_screen *screen, const rgba &color); |
314 | |
355 | |
315 | void fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to = rgba (0, 0, 0)); |
356 | void fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to = rgba (0, 0, 0)); |
316 | }; |
357 | }; |
317 | |
358 | |
318 | #endif |
359 | #define Sel_normal 0x01 /* normal selection */ |
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360 | #define Sel_incr 0x02 /* incremental selection */ |
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361 | #define Sel_Primary 0x01 |
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362 | #define Sel_Secondary 0x02 |
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363 | #define Sel_Clipboard 0x03 |
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364 | #define Sel_whereMask 0x0f |
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365 | #define Sel_CompoundText 0x10 /* last request was COMPOUND_TEXT */ |
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366 | #define Sel_UTF8String 0x20 /* last request was UTF8_STRING */ |
319 | |
367 | |
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368 | struct rxvt_selection |
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369 | { |
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370 | rxvt_selection (rxvt_display *disp, int selnum, Time tm, Window win, Atom prop, rxvt_term *term); |
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371 | void run (); |
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372 | ~rxvt_selection (); |
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373 | |
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374 | rxvt_term *term; // terminal to paste to, may be 0 |
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375 | void *cb_sv; // managed by perl |
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376 | |
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377 | rxvt_display *display; |
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378 | Time request_time; |
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379 | Window request_win; |
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380 | Atom request_prop; |
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381 | |
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382 | private: |
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383 | unsigned char selection_wait; |
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384 | unsigned char selection_type; |
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385 | |
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386 | char *incr_buf; |
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387 | size_t incr_buf_size, incr_buf_fill; |
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388 | |
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389 | void timer_cb (ev::timer &w, int revents); ev::timer timer_ev; |
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390 | void x_cb (XEvent &xev); xevent_watcher x_ev; |
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391 | |
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392 | void finish (char *data = 0, unsigned int len = 0); |
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393 | void stop (); |
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394 | bool request (Atom target, int selnum); |
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395 | void handle_selection (Window win, Atom prop, bool delete_prop); |
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396 | }; |
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397 | |
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398 | #endif |
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399 | |