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 | * Copyright (c) 2011 Emanuele Giaquinta <e.giaquinta@glauco.it> |
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8 | * |
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9 | * This program is free software; you can redistribute it and/or modify |
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10 | * it under the terms of the GNU General Public License as published by |
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11 | * the Free Software Foundation; either version 2 of the License, or |
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12 | * (at your option) any later version. |
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13 | * |
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14 | * This program is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with this program; if not, write to the Free Software |
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21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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22 | *----------------------------------------------------------------------*/ |
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23 | |
4 | #ifndef RXVT_TOOLKIT_H |
24 | #ifndef RXVT_TOOLKIT_H |
5 | #define RXVT_TOOLKIT_H |
25 | #define RXVT_TOOLKIT_H |
6 | |
26 | |
7 | #include <X11/Xlib.h> |
27 | #include <X11/Xlib.h> |
8 | |
28 | |
9 | #if XFT |
29 | #if XFT |
10 | # include <X11/Xft/Xft.h> |
30 | # include <X11/Xft/Xft.h> |
11 | #endif |
31 | #endif |
12 | |
32 | |
13 | #include "iom.h" |
33 | #include "ev_cpp.h" |
14 | |
34 | |
15 | #include "rxvtlib.h" |
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16 | #include "rxvtutil.h" |
35 | #include "rxvtutil.h" |
17 | |
36 | |
18 | #include "callback.h" |
37 | #include "callback.h" |
19 | |
38 | |
20 | // see rxvttoolkit.C:xa_names, which must be kept in sync |
39 | // see rxvttoolkit.C:xa_names, which must be kept in sync |
… | |
… | |
28 | XA_VT_SELECTION, |
47 | XA_VT_SELECTION, |
29 | XA_INCR, |
48 | XA_INCR, |
30 | XA_WM_PROTOCOLS, |
49 | XA_WM_PROTOCOLS, |
31 | XA_WM_DELETE_WINDOW, |
50 | XA_WM_DELETE_WINDOW, |
32 | XA_CLIPBOARD, |
51 | XA_CLIPBOARD, |
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52 | XA_AVERAGE_WIDTH, |
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53 | XA_WEIGHT_NAME, |
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54 | XA_SLANT, |
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55 | XA_CHARSET_REGISTRY, |
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56 | XA_CHARSET_ENCODING, |
33 | #if ENABLE_FRILLS |
57 | #if ENABLE_FRILLS |
34 | XA_MOTIF_WM_HINTS, |
58 | XA_MOTIF_WM_HINTS, |
35 | #endif |
59 | #endif |
36 | #if ENABLE_EWMH |
60 | #if ENABLE_EWMH |
37 | XA_NET_WM_PID, |
61 | XA_NET_WM_PID, |
38 | XA_NET_WM_NAME, |
62 | XA_NET_WM_NAME, |
39 | XA_NET_WM_ICON_NAME, |
63 | XA_NET_WM_ICON_NAME, |
40 | XA_NET_WM_PING, |
64 | XA_NET_WM_PING, |
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65 | XA_NET_WM_ICON, |
41 | #endif |
66 | #endif |
42 | #if USE_XIM |
67 | #if USE_XIM |
43 | XA_WM_LOCALE_NAME, |
68 | XA_WM_LOCALE_NAME, |
44 | XA_XIM_SERVERS, |
69 | XA_XIM_SERVERS, |
45 | #endif |
70 | #endif |
46 | #if TRANSPARENT |
71 | #if ENABLE_TRANSPARENCY |
47 | XA_XROOTPMAP_ID, |
72 | XA_XROOTPMAP_ID, |
48 | XA_ESETROOT_PMAP_ID, |
73 | XA_ESETROOT_PMAP_ID, |
49 | #endif |
74 | #endif |
50 | #if ENABLE_XEMBED |
75 | #if ENABLE_XEMBED |
51 | XA_XEMBED, |
76 | XA_XEMBED, |
52 | XA_XEMBED_INFO, |
77 | XA_XEMBED_INFO, |
53 | #endif |
78 | #endif |
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79 | #if !ENABLE_MINIMAL |
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80 | // these are usually allocated by other subsystems, but we do it |
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81 | // here to avoid a server roundtrip. |
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82 | XA_SCREEN_RESOURCES, |
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83 | XA_XDCCC_LINEAR_RGB_CORRECTION, |
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84 | XA_XDCCC_LINEAR_RGB_MATRICES, |
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85 | XA_WM_COLORMAP_WINDOWS, |
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86 | XA_WM_STATE, |
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87 | XA_cursor, |
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88 | # if USE_XIM |
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89 | // various selection targets used by XIM |
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90 | XA_TRANSPORT, |
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91 | XA_LOCALES, |
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92 | XA__XIM_PROTOCOL, |
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93 | XA__XIM_XCONNECT, |
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94 | XA__XIM_MOREDATA, |
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95 | # endif |
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96 | #endif |
54 | NUM_XA |
97 | NUM_XA |
55 | }; |
98 | }; |
56 | |
99 | |
57 | struct rxvt_term; |
100 | struct rxvt_term; |
58 | struct rxvt_display; |
101 | struct rxvt_display; |
59 | |
102 | |
60 | struct im_watcher; |
103 | struct im_watcher; |
61 | struct xevent_watcher; |
104 | struct xevent_watcher; |
62 | |
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 | |
63 | struct refcounted { |
129 | struct refcounted |
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130 | { |
64 | int referenced; |
131 | int referenced; |
65 | char *id; |
132 | char *id; |
66 | |
133 | |
67 | refcounted (const char *id); |
134 | refcounted (const char *id); |
68 | bool ref_init () { return false; } |
135 | bool ref_init () { return false; } |
69 | void ref_next () { } |
136 | void ref_next () { } |
70 | ~refcounted (); |
137 | ~refcounted (); |
71 | }; |
138 | }; |
72 | |
139 | |
73 | template<class T> |
140 | template<class T> |
74 | struct refcache : vector<T *> { |
141 | struct refcache : vector<T *> |
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142 | { |
75 | T *get (const char *id); |
143 | T *get (const char *id); |
76 | void put (T *obj); |
144 | void put (T *obj); |
77 | void clear (); |
145 | void clear (); |
78 | |
146 | |
79 | ~refcache () |
147 | ~refcache () |
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82 | } |
150 | } |
83 | }; |
151 | }; |
84 | |
152 | |
85 | ///////////////////////////////////////////////////////////////////////////// |
153 | ///////////////////////////////////////////////////////////////////////////// |
86 | |
154 | |
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155 | struct rxvt_screen; |
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156 | |
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157 | struct rxvt_drawable |
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158 | { |
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159 | rxvt_screen *screen; |
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160 | Drawable drawable; |
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161 | operator Drawable() { return drawable; } |
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162 | |
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163 | #if XFT |
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164 | XftDraw *xftdrawable; |
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165 | operator XftDraw *(); |
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166 | #endif |
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167 | |
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168 | rxvt_drawable (rxvt_screen *screen, Drawable drawable) |
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169 | : screen(screen), |
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170 | #if XFT |
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171 | xftdrawable(0), |
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172 | #endif |
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173 | drawable(drawable) |
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174 | { } |
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175 | |
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176 | #if XFT |
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177 | ~rxvt_drawable (); |
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178 | #endif |
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179 | }; |
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180 | |
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181 | ///////////////////////////////////////////////////////////////////////////// |
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182 | |
87 | #ifdef USE_XIM |
183 | #ifdef USE_XIM |
88 | struct rxvt_xim : refcounted { |
184 | struct rxvt_xim : refcounted |
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185 | { |
89 | void destroy (); |
186 | void destroy (); |
90 | rxvt_display *display; |
187 | rxvt_display *display; |
91 | |
188 | |
92 | //public |
189 | //public |
93 | XIM xim; |
190 | XIM xim; |
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96 | bool ref_init (); |
193 | bool ref_init (); |
97 | ~rxvt_xim (); |
194 | ~rxvt_xim (); |
98 | }; |
195 | }; |
99 | #endif |
196 | #endif |
100 | |
197 | |
101 | struct rxvt_screen { |
198 | struct rxvt_screen |
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199 | { |
102 | rxvt_display *display; |
200 | rxvt_display *display; |
103 | Display *xdisp; |
201 | Display *dpy; |
104 | int depth; |
202 | int depth; |
105 | Visual *visual; |
203 | Visual *visual; |
106 | Colormap cmap; |
204 | Colormap cmap; |
107 | |
205 | |
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206 | #if XFT |
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207 | // scratch pixmap |
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208 | rxvt_drawable *scratch_area; |
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209 | int scratch_w, scratch_h; |
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210 | |
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211 | rxvt_drawable &scratch_drawable (int w, int h); |
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212 | |
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213 | rxvt_screen (); |
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214 | #endif |
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215 | |
108 | void set (rxvt_display *disp); |
216 | void set (rxvt_display *disp); |
109 | void set (rxvt_display *disp, int bitdepth); |
217 | void select_visual (int bitdepth); |
110 | void clear (); |
218 | void clear (); |
111 | }; |
219 | }; |
112 | |
220 | |
113 | struct rxvt_display : refcounted { |
221 | struct rxvt_display : refcounted |
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222 | { |
114 | io_manager_vec<xevent_watcher> xw; |
223 | event_vec<xevent_watcher> xw; |
115 | |
224 | |
116 | 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); |
117 | |
227 | |
118 | #ifdef USE_XIM |
228 | #ifdef USE_XIM |
119 | refcache<rxvt_xim> xims; |
229 | refcache<rxvt_xim> xims; |
120 | vector<im_watcher *> imw; |
230 | vector<im_watcher *> imw; |
121 | |
231 | |
122 | void im_change_cb (); |
232 | void im_change_cb (); |
123 | void im_change_check (); |
233 | void im_change_check (); |
124 | #endif |
234 | #endif |
125 | |
235 | |
126 | //public |
236 | //public |
127 | Display *display; |
237 | Display *dpy; |
128 | int screen; |
238 | int screen; |
129 | Window root; |
239 | Window root; |
130 | rxvt_term *selection_owner; |
240 | rxvt_term *selection_owner; |
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241 | rxvt_term *clipboard_owner; |
131 | Atom xa[NUM_XA]; |
242 | Atom xa[NUM_XA]; |
132 | #ifndef NO_SLOW_LINK_SUPPORT |
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133 | bool is_local; |
243 | bool is_local; |
134 | #endif |
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135 | #ifdef POINTER_BLANK |
244 | #ifdef POINTER_BLANK |
136 | Cursor blank_cursor; |
245 | Cursor blank_cursor; |
137 | #endif |
246 | #endif |
138 | |
247 | |
139 | rxvt_display (const char *id); |
248 | rxvt_display (const char *id); |
140 | XrmDatabase get_resources (); |
249 | XrmDatabase get_resources (bool refresh); |
141 | bool ref_init (); |
250 | bool ref_init (); |
142 | void ref_next (); |
251 | void ref_next (); |
143 | ~rxvt_display (); |
252 | ~rxvt_display (); |
144 | |
253 | |
145 | 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 | |
146 | Atom atom (const char *name); |
259 | Atom atom (const char *name); |
147 | void set_selection_owner (rxvt_term *owner); |
260 | void set_selection_owner (rxvt_term *owner, bool clipboard); |
148 | |
261 | |
149 | void reg (xevent_watcher *w); |
262 | void reg (xevent_watcher *w); |
150 | void unreg (xevent_watcher *w); |
263 | void unreg (xevent_watcher *w); |
151 | |
264 | |
152 | #ifdef USE_XIM |
265 | #ifdef USE_XIM |
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157 | void put_xim (rxvt_xim *xim); |
270 | void put_xim (rxvt_xim *xim); |
158 | #endif |
271 | #endif |
159 | }; |
272 | }; |
160 | |
273 | |
161 | #ifdef USE_XIM |
274 | #ifdef USE_XIM |
162 | struct im_watcher : watcher, callback0<void> { |
275 | struct im_watcher : rxvt_watcher, callback<void (void)> |
163 | template<class O1, class O2> |
276 | { |
164 | im_watcher (O1 *object, void (O2::*method) ()) |
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165 | : callback0<void> (object,method) |
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166 | { } |
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167 | |
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168 | void start (rxvt_display *display) |
277 | void start (rxvt_display *display) |
169 | { |
278 | { |
170 | display->reg (this); |
279 | display->reg (this); |
171 | } |
280 | } |
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281 | |
172 | void stop (rxvt_display *display) |
282 | void stop (rxvt_display *display) |
173 | { |
283 | { |
174 | display->unreg (this); |
284 | display->unreg (this); |
175 | } |
285 | } |
176 | }; |
286 | }; |
177 | #endif |
287 | #endif |
178 | |
288 | |
179 | struct xevent_watcher : watcher, callback1<void, XEvent &> { |
289 | struct xevent_watcher : rxvt_watcher, callback<void (XEvent &)> |
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290 | { |
180 | Window window; |
291 | Window window; |
181 | |
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182 | template<class O1, class O2> |
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183 | xevent_watcher (O1 *object, void (O2::*method) (XEvent &)) |
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184 | : callback1<void, XEvent &> (object,method) |
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185 | { } |
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186 | |
292 | |
187 | void start (rxvt_display *display, Window window) |
293 | void start (rxvt_display *display, Window window) |
188 | { |
294 | { |
189 | this->window = window; |
295 | this->window = window; |
190 | display->reg (this); |
296 | display->reg (this); |
191 | } |
297 | } |
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298 | |
192 | void stop (rxvt_display *display) |
299 | void stop (rxvt_display *display) |
193 | { |
300 | { |
194 | display->unreg (this); |
301 | display->unreg (this); |
195 | } |
302 | } |
196 | }; |
303 | }; |
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199 | |
306 | |
200 | ///////////////////////////////////////////////////////////////////////////// |
307 | ///////////////////////////////////////////////////////////////////////////// |
201 | |
308 | |
202 | typedef unsigned long Pixel; |
309 | typedef unsigned long Pixel; |
203 | |
310 | |
204 | struct rxvt_rgba { |
311 | struct rgba |
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312 | { |
205 | unsigned short r, g, b, a; |
313 | unsigned short r, g, b, a; |
206 | |
314 | |
207 | enum { MIN_CC = 0x0000, MAX_CC = 0xffff }; |
315 | enum { MIN_CC = 0x0000, MAX_CC = 0xffff }; |
208 | |
316 | |
209 | rxvt_rgba () |
317 | rgba () |
210 | { } |
318 | { } |
211 | |
319 | |
212 | rxvt_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) |
213 | : r(r), g(g), b(b), a(a) |
321 | : r(r), g(g), b(b), a(a) |
214 | { } |
322 | { } |
215 | }; |
323 | }; |
216 | |
324 | |
217 | struct rxvt_color { |
325 | struct rxvt_color |
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326 | { |
218 | #if XFT |
327 | #if XFT |
219 | XftColor c; |
328 | XftColor c; |
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329 | #else |
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330 | XColor c; |
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331 | #endif |
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332 | |
220 | operator Pixel () const { return c.pixel; } |
333 | operator Pixel () const { return c.pixel; } |
221 | #else |
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222 | Pixel p; |
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223 | operator Pixel () const { return p; } |
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224 | #endif |
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225 | |
334 | |
226 | 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); } |
227 | 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); } |
228 | |
337 | |
229 | void get (rxvt_screen *screen, rxvt_rgba &rgba); |
338 | bool is_opaque () const |
230 | |
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 | |
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347 | bool alloc (rxvt_screen *screen, const rgba &color); |
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348 | void free (rxvt_screen *screen); |
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349 | |
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350 | void get (rgba &color); |
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351 | void get (XColor &color); |
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352 | |
231 | bool set (rxvt_screen *screen, const char *name); |
353 | bool set (rxvt_screen *screen, const char *name); |
232 | bool set (rxvt_screen *screen, rxvt_rgba rgba); |
354 | bool set (rxvt_screen *screen, const rgba &color); |
233 | |
355 | |
234 | rxvt_color fade (rxvt_screen *screen, int percent); // fades to black |
356 | void fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to = rgba (0, 0, 0)); |
235 | rxvt_color fade (rxvt_screen *screen, int percent, rxvt_color &fadeto); |
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236 | |
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237 | void free (rxvt_screen *screen); |
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238 | }; |
357 | }; |
239 | |
358 | |
240 | #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 */ |
241 | |
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, void *cb_sv = 0); |
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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; // perl callback, may be 0 |
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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 | unsigned char selection_wait; |
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383 | unsigned char selection_type; |
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384 | |
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385 | private: |
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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 | |