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" |
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16 | #include "rxvtutil.h" |
34 | #include "rxvtutil.h" |
17 | |
35 | |
18 | #include "callback.h" |
36 | #include "callback.h" |
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37 | |
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38 | // see rxvttoolkit.C:xa_names, which must be kept in sync |
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39 | enum { |
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40 | XA_TEXT, |
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41 | XA_COMPOUND_TEXT, |
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42 | XA_UTF8_STRING, |
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43 | XA_MULTIPLE, |
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44 | XA_TARGETS, |
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45 | XA_TIMESTAMP, |
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46 | XA_VT_SELECTION, |
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47 | XA_INCR, |
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48 | XA_WM_PROTOCOLS, |
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49 | XA_WM_DELETE_WINDOW, |
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50 | XA_CLIPBOARD, |
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51 | XA_AVERAGE_WIDTH, |
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52 | XA_WEIGHT_NAME, |
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53 | XA_SLANT, |
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54 | XA_CHARSET_REGISTRY, |
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55 | XA_CHARSET_ENCODING, |
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56 | #if ENABLE_FRILLS |
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57 | XA_MOTIF_WM_HINTS, |
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58 | #endif |
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59 | #if ENABLE_EWMH |
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60 | XA_NET_WM_PID, |
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61 | XA_NET_WM_NAME, |
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62 | XA_NET_WM_ICON_NAME, |
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63 | XA_NET_WM_PING, |
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64 | #endif |
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65 | #if USE_XIM |
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66 | XA_WM_LOCALE_NAME, |
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67 | XA_XIM_SERVERS, |
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68 | #endif |
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69 | #if ENABLE_TRANSPARENCY |
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70 | XA_XROOTPMAP_ID, |
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71 | XA_ESETROOT_PMAP_ID, |
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72 | #endif |
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73 | #if ENABLE_XEMBED |
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74 | XA_XEMBED, |
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75 | XA_XEMBED_INFO, |
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76 | #endif |
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77 | #if !ENABLE_MINIMAL |
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78 | // these are usually allocated by other subsystems, but we do it |
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79 | // here to avoid a server roundtrip. |
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80 | XA_SCREEN_RESOURCES, |
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81 | XA_XDCCC_LINEAR_RGB_CORRECTION, |
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82 | XA_XDCCC_LINEAR_RGB_MATRICES, |
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83 | XA_WM_COLORMAP_WINDOWS, |
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84 | XA_WM_STATE, |
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85 | XA_cursor, |
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86 | # if USE_XIM |
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87 | // various selection targets used by XIM |
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88 | XA_TRANSPORT, |
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89 | XA_LOCALES, |
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90 | XA__XIM_PROTOCOL, |
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91 | XA__XIM_XCONNECT, |
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92 | XA__XIM_MOREDATA, |
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93 | # endif |
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94 | #endif |
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95 | NUM_XA |
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96 | }; |
19 | |
97 | |
20 | struct rxvt_term; |
98 | struct rxvt_term; |
21 | struct rxvt_display; |
99 | struct rxvt_display; |
22 | |
100 | |
23 | struct im_watcher; |
101 | struct im_watcher; |
24 | struct xevent_watcher; |
102 | struct xevent_watcher; |
25 | |
103 | |
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104 | template<class watcher> |
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105 | struct event_vec : vector<watcher *> |
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106 | { |
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107 | void erase_unordered (unsigned int pos) |
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108 | { |
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109 | watcher *w = (*this)[this->size () - 1]; |
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110 | this->pop_back (); |
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111 | |
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112 | if (!this->empty ()) |
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113 | if (((*this)[pos] = w)) // '=' is correct! |
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114 | w->active = pos + 1; |
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115 | } |
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116 | }; |
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117 | |
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118 | struct rxvt_watcher |
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119 | { |
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120 | int active; /* 0 == inactive, else index into respective vector */ |
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121 | |
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122 | bool is_active () { return active; } |
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123 | |
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124 | rxvt_watcher () : active (0) { } |
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125 | }; |
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126 | |
26 | struct refcounted { |
127 | struct refcounted |
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128 | { |
27 | int referenced; |
129 | int referenced; |
28 | char *id; |
130 | char *id; |
29 | |
131 | |
30 | refcounted (const char *id); |
132 | refcounted (const char *id); |
31 | bool init () { return false; } |
133 | bool ref_init () { return false; } |
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134 | void ref_next () { } |
32 | ~refcounted (); |
135 | ~refcounted (); |
33 | }; |
136 | }; |
34 | |
137 | |
35 | template<class T> |
138 | template<class T> |
36 | struct refcache : vector<T *> { |
139 | struct refcache : vector<T *> |
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140 | { |
37 | T *get (const char *id); |
141 | T *get (const char *id); |
38 | void put (T *obj); |
142 | void put (T *obj); |
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143 | void clear (); |
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144 | |
39 | ~refcache (); |
145 | ~refcache () |
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146 | { |
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147 | clear (); |
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148 | } |
40 | }; |
149 | }; |
41 | |
150 | |
42 | ///////////////////////////////////////////////////////////////////////////// |
151 | ///////////////////////////////////////////////////////////////////////////// |
43 | |
152 | |
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153 | struct rxvt_screen; |
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154 | |
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155 | struct rxvt_drawable |
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156 | { |
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157 | rxvt_screen *screen; |
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158 | Drawable drawable; |
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159 | operator Drawable() { return drawable; } |
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160 | |
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161 | #if XFT |
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162 | XftDraw *xftdrawable; |
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163 | operator XftDraw *(); |
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164 | #endif |
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165 | |
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166 | rxvt_drawable (rxvt_screen *screen, Drawable drawable) |
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167 | : screen(screen), |
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168 | #if XFT |
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169 | xftdrawable(0), |
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170 | #endif |
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171 | drawable(drawable) |
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172 | { } |
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173 | |
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174 | #if XFT |
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175 | ~rxvt_drawable (); |
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176 | #endif |
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177 | }; |
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178 | |
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179 | ///////////////////////////////////////////////////////////////////////////// |
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180 | |
44 | #ifdef USE_XIM |
181 | #ifdef USE_XIM |
45 | struct rxvt_xim : refcounted { |
182 | struct rxvt_xim : refcounted |
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183 | { |
46 | void destroy (); |
184 | void destroy (); |
47 | rxvt_display *display; |
185 | rxvt_display *display; |
48 | |
186 | |
49 | //public |
187 | //public |
50 | XIM xim; |
188 | XIM xim; |
51 | |
189 | |
52 | rxvt_xim (const char *id) : refcounted (id) { } |
190 | rxvt_xim (const char *id) : refcounted (id) { } |
53 | bool init (); |
191 | bool ref_init (); |
54 | ~rxvt_xim (); |
192 | ~rxvt_xim (); |
55 | }; |
193 | }; |
56 | #endif |
194 | #endif |
57 | |
195 | |
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196 | struct rxvt_screen |
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197 | { |
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198 | rxvt_display *display; |
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199 | Display *dpy; |
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200 | int depth; |
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201 | Visual *visual; |
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202 | Colormap cmap; |
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203 | |
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204 | #if XFT |
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205 | // scratch pixmap |
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206 | rxvt_drawable *scratch_area; |
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207 | int scratch_w, scratch_h; |
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208 | |
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209 | rxvt_drawable &scratch_drawable (int w, int h); |
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210 | |
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211 | rxvt_screen (); |
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212 | #endif |
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213 | |
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214 | void set (rxvt_display *disp); |
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215 | void select_visual (int bitdepth); |
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216 | void clear (); |
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217 | }; |
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218 | |
58 | struct rxvt_display : refcounted { |
219 | struct rxvt_display : refcounted |
59 | Atom xa_xim_servers; |
220 | { |
60 | |
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61 | io_manager_vec<xevent_watcher> xw; |
221 | event_vec<xevent_watcher> xw; |
62 | |
222 | |
63 | io_watcher x_ev; void x_cb (io_watcher &w, short revents); |
223 | ev::idle flush_ev; void flush_cb (ev::idle &w, int revents); |
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224 | ev::io x_ev ; void x_cb (ev::io &w, int revents); |
64 | |
225 | |
65 | #ifdef USE_XIM |
226 | #ifdef USE_XIM |
66 | refcache<rxvt_xim> xims; |
227 | refcache<rxvt_xim> xims; |
67 | vector<im_watcher *> imw; |
228 | vector<im_watcher *> imw; |
68 | |
229 | |
69 | void im_change_cb (); |
230 | void im_change_cb (); |
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231 | void im_change_check (); |
70 | #endif |
232 | #endif |
71 | |
233 | |
72 | //public |
234 | //public |
73 | Display *display; |
235 | Display *dpy; |
74 | int depth; |
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75 | int screen; |
236 | int screen; |
76 | Visual *visual; |
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77 | Colormap cmap; |
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78 | Window root; |
237 | Window root; |
79 | rxvt_term *selection_owner; |
238 | rxvt_term *selection_owner; |
80 | #ifndef NO_SLOW_LINK_SUPPORT |
239 | Atom xa[NUM_XA]; |
81 | bool is_local; |
240 | bool is_local; |
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241 | #ifdef POINTER_BLANK |
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242 | Cursor blank_cursor; |
82 | #endif |
243 | #endif |
83 | |
244 | |
84 | rxvt_display (const char *id); |
245 | rxvt_display (const char *id); |
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246 | XrmDatabase get_resources (bool refresh); |
85 | bool init (); |
247 | bool ref_init (); |
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248 | void ref_next (); |
86 | ~rxvt_display (); |
249 | ~rxvt_display (); |
87 | |
250 | |
88 | void flush (); |
251 | void flush () |
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252 | { |
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253 | flush_ev.start (); |
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254 | } |
89 | |
255 | |
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256 | Atom atom (const char *name); |
90 | void set_selection_owner (rxvt_term *owner); |
257 | void set_selection_owner (rxvt_term *owner); |
91 | |
258 | |
92 | void reg (xevent_watcher *w); |
259 | void reg (xevent_watcher *w); |
93 | void unreg (xevent_watcher *w); |
260 | void unreg (xevent_watcher *w); |
94 | |
261 | |
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… | |
97 | void unreg (im_watcher *w); |
264 | void unreg (im_watcher *w); |
98 | |
265 | |
99 | rxvt_xim *get_xim (const char *locale, const char *modifiers); |
266 | rxvt_xim *get_xim (const char *locale, const char *modifiers); |
100 | void put_xim (rxvt_xim *xim); |
267 | void put_xim (rxvt_xim *xim); |
101 | #endif |
268 | #endif |
102 | |
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103 | Atom atom (const char *name); |
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104 | }; |
269 | }; |
105 | |
270 | |
106 | #ifdef USE_XIM |
271 | #ifdef USE_XIM |
107 | struct im_watcher : watcher, callback0<void> { |
272 | struct im_watcher : rxvt_watcher, callback<void (void)> { |
108 | template<class O1, class O2> |
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109 | im_watcher (O1 *object, void (O2::*method) ()) |
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110 | : callback0<void> (object,method) |
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111 | { } |
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112 | |
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113 | void start (rxvt_display *display) |
273 | void start (rxvt_display *display) |
114 | { |
274 | { |
115 | display->reg (this); |
275 | display->reg (this); |
116 | } |
276 | } |
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277 | |
117 | void stop (rxvt_display *display) |
278 | void stop (rxvt_display *display) |
118 | { |
279 | { |
119 | display->unreg (this); |
280 | display->unreg (this); |
120 | } |
281 | } |
121 | }; |
282 | }; |
122 | #endif |
283 | #endif |
123 | |
284 | |
124 | struct xevent_watcher : watcher, callback1<void, XEvent &> { |
285 | struct xevent_watcher : rxvt_watcher, callback<void (XEvent &)> |
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286 | { |
125 | Window window; |
287 | Window window; |
126 | |
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127 | template<class O1, class O2> |
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128 | xevent_watcher (O1 *object, void (O2::*method) (XEvent &)) |
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129 | : callback1<void, XEvent &> (object,method) |
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130 | { } |
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131 | |
288 | |
132 | void start (rxvt_display *display, Window window) |
289 | void start (rxvt_display *display, Window window) |
133 | { |
290 | { |
134 | this->window = window; |
291 | this->window = window; |
135 | display->reg (this); |
292 | display->reg (this); |
136 | } |
293 | } |
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294 | |
137 | void stop (rxvt_display *display) |
295 | void stop (rxvt_display *display) |
138 | { |
296 | { |
139 | display->unreg (this); |
297 | display->unreg (this); |
140 | } |
298 | } |
141 | }; |
299 | }; |
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144 | |
302 | |
145 | ///////////////////////////////////////////////////////////////////////////// |
303 | ///////////////////////////////////////////////////////////////////////////// |
146 | |
304 | |
147 | typedef unsigned long Pixel; |
305 | typedef unsigned long Pixel; |
148 | |
306 | |
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307 | struct rgba |
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308 | { |
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309 | unsigned short r, g, b, a; |
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310 | |
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311 | enum { MIN_CC = 0x0000, MAX_CC = 0xffff }; |
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312 | |
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313 | rgba () |
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314 | { } |
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315 | |
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316 | rgba (unsigned short r, unsigned short g, unsigned short b, unsigned short a = MAX_CC) |
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317 | : r(r), g(g), b(b), a(a) |
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318 | { } |
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319 | }; |
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320 | |
149 | struct rxvt_color { |
321 | struct rxvt_color |
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322 | { |
150 | #if XFT |
323 | #if XFT |
151 | XftColor c; |
324 | XftColor c; |
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325 | #else |
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326 | XColor c; |
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327 | #endif |
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328 | |
152 | operator Pixel () const { return c.pixel; } |
329 | operator Pixel () const { return c.pixel; } |
153 | #else |
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154 | Pixel p; |
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155 | operator Pixel () const { return p; } |
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156 | #endif |
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157 | |
330 | |
158 | bool operator == (const rxvt_color &b) const { return Pixel (*this) == Pixel (b); } |
331 | bool operator == (const rxvt_color &b) const { return Pixel (*this) == Pixel (b); } |
159 | 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); } |
160 | |
333 | |
161 | void get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb); |
334 | bool is_opaque () const |
162 | |
335 | { |
163 | bool set (rxvt_display *display, Pixel p); |
336 | #if XFT |
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337 | return c.color.alpha == rgba::MAX_CC; |
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338 | #else |
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339 | return 1; |
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340 | #endif |
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341 | } |
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342 | |
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343 | bool alloc (rxvt_screen *screen, const rgba &color); |
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344 | void free (rxvt_screen *screen); |
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345 | |
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346 | void get (rgba &color); |
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347 | void get (XColor &color); |
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348 | |
164 | bool set (rxvt_display *display, const char *name); |
349 | bool set (rxvt_screen *screen, const char *name); |
165 | bool set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb); |
350 | bool set (rxvt_screen *screen, const rgba &color); |
166 | |
351 | |
167 | rxvt_color fade (rxvt_display *, int percent); |
352 | void fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to = rgba (0, 0, 0)); |
168 | |
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169 | void free (rxvt_display *display); |
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170 | }; |
353 | }; |
171 | |
354 | |
172 | #endif |
355 | #if TRACE_PIXMAPS |
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356 | 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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357 | void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p); |
173 | |
358 | |
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359 | # define XCreatePixmap(dpy,r,w,h,d) trace_XCreatePixmap (__FILE__,__LINE__,dpy,r,w,h,d) |
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360 | # define XFreePixmap(dpy,p) trace_XFreePixmap (__FILE__,__LINE__,dpy,p) |
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361 | #endif |
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362 | |
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363 | #endif |
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364 | |