1 | //roarx11.c: |
---|
2 | |
---|
3 | /* |
---|
4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010-2012 |
---|
5 | * |
---|
6 | * This file is part of libroar a part of RoarAudio, |
---|
7 | * a cross-platform sound system for both, home and professional use. |
---|
8 | * See README for details. |
---|
9 | * |
---|
10 | * This file is free software; you can redistribute it and/or modify |
---|
11 | * it under the terms of the GNU General Public License version 3 |
---|
12 | * as published by the Free Software Foundation. |
---|
13 | * |
---|
14 | * libroar is distributed in the hope that it will be useful, |
---|
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
17 | * GNU General Public License for more details. |
---|
18 | * |
---|
19 | * You should have received a copy of the GNU General Public License |
---|
20 | * along with this software; see the file COPYING. If not, write to |
---|
21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
---|
22 | * Boston, MA 02110-1301, USA. |
---|
23 | * |
---|
24 | * NOTE for everyone want's to change something and send patches: |
---|
25 | * read README and HACKING! There a addition information on |
---|
26 | * the license of this document you need to read before you send |
---|
27 | * any patches. |
---|
28 | * |
---|
29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
---|
30 | * or libpulse*: |
---|
31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
---|
32 | * and are therefore GPL. Because of this it may be illigal to use |
---|
33 | * them with any software that uses libesd, libartsc or libpulse*. |
---|
34 | */ |
---|
35 | |
---|
36 | #include "libroar.h" |
---|
37 | |
---|
38 | struct roar_x11_connection * roar_x11_connect(char * display) { |
---|
39 | #ifdef ROAR_HAVE_LIBX11 |
---|
40 | struct roar_libroar_config * config = roar_libroar_get_config(); |
---|
41 | struct roar_x11_connection * con; |
---|
42 | |
---|
43 | if ( display == NULL ) |
---|
44 | display = config->x11.display; |
---|
45 | |
---|
46 | if ( (con = roar_mm_malloc(sizeof(struct roar_x11_connection))) == NULL ) |
---|
47 | return NULL; |
---|
48 | |
---|
49 | if ( (con->display = XOpenDisplay(display)) == NULL ) { |
---|
50 | roar_mm_free(con); |
---|
51 | return NULL; |
---|
52 | } |
---|
53 | |
---|
54 | con->close = 1; |
---|
55 | |
---|
56 | return con; |
---|
57 | #else |
---|
58 | return NULL; |
---|
59 | #endif |
---|
60 | } |
---|
61 | |
---|
62 | struct roar_x11_connection * roar_x11_connect_display(_ROAR_X11_DISPLAY * display) { |
---|
63 | #ifdef ROAR_HAVE_LIBX11 |
---|
64 | struct roar_x11_connection * con; |
---|
65 | |
---|
66 | if ( display == NULL ) |
---|
67 | return NULL; |
---|
68 | |
---|
69 | if ( (con = roar_mm_malloc(sizeof(struct roar_x11_connection))) == NULL ) |
---|
70 | return NULL; |
---|
71 | |
---|
72 | con->close = 0; |
---|
73 | con->display = display; |
---|
74 | |
---|
75 | return con; |
---|
76 | #else |
---|
77 | return NULL; |
---|
78 | #endif |
---|
79 | } |
---|
80 | |
---|
81 | int roar_x11_disconnect(struct roar_x11_connection * con) { |
---|
82 | #ifdef ROAR_HAVE_LIBX11 |
---|
83 | int ret = 0; |
---|
84 | |
---|
85 | if ( con == NULL ) |
---|
86 | return -1; |
---|
87 | |
---|
88 | if ( con->close ) |
---|
89 | ret = XCloseDisplay(con->display); |
---|
90 | |
---|
91 | roar_mm_free(con); |
---|
92 | |
---|
93 | return ret; |
---|
94 | #else |
---|
95 | return -1; |
---|
96 | #endif |
---|
97 | } |
---|
98 | |
---|
99 | int roar_x11_flush(struct roar_x11_connection * con) { |
---|
100 | #ifdef ROAR_HAVE_LIBX11 |
---|
101 | if ( con == NULL ) |
---|
102 | return -1; |
---|
103 | |
---|
104 | return XFlush(con->display); |
---|
105 | #else |
---|
106 | return -1; |
---|
107 | #endif |
---|
108 | } |
---|
109 | |
---|
110 | int roar_x11_set_prop(struct roar_x11_connection * con, const char * key, const char * val) { |
---|
111 | #ifdef ROAR_HAVE_LIBX11 |
---|
112 | Atom a; |
---|
113 | |
---|
114 | if ( con == NULL ) |
---|
115 | return -1; |
---|
116 | |
---|
117 | a = XInternAtom(con->display, key, False); |
---|
118 | |
---|
119 | XChangeProperty(con->display, RootWindow(con->display, 0), a, XA_STRING, 8, PropModeReplace, (const unsigned char*) val, strlen(val)+1); |
---|
120 | |
---|
121 | return 0; |
---|
122 | #else |
---|
123 | return -1; |
---|
124 | #endif |
---|
125 | } |
---|
126 | |
---|
127 | int roar_x11_delete_prop(struct roar_x11_connection * con, const char * key) { |
---|
128 | #ifdef ROAR_HAVE_LIBX11 |
---|
129 | Atom a; |
---|
130 | if ( con == NULL ) |
---|
131 | return -1; |
---|
132 | |
---|
133 | a = XInternAtom(con->display, key, False); |
---|
134 | XDeleteProperty(con->display, RootWindow(con->display, 0), a); |
---|
135 | |
---|
136 | return 0; |
---|
137 | #else |
---|
138 | return -1; |
---|
139 | #endif |
---|
140 | } |
---|
141 | |
---|
142 | char * roar_x11_get_prop(struct roar_x11_connection * con, const char * key) { |
---|
143 | #ifdef ROAR_HAVE_LIBX11 |
---|
144 | unsigned long nitems; |
---|
145 | unsigned long nbytes_after; |
---|
146 | unsigned char * prop = NULL; |
---|
147 | char * ret = NULL; |
---|
148 | int actual_format; |
---|
149 | Atom actual_type; |
---|
150 | Atom a; |
---|
151 | |
---|
152 | a = XInternAtom(con->display, key, False); |
---|
153 | |
---|
154 | if ( XGetWindowProperty(con->display, RootWindow(con->display, 0), a, |
---|
155 | 0, 256, False, XA_STRING, &actual_type, |
---|
156 | &actual_format, &nitems, &nbytes_after, &prop) != Success ) { |
---|
157 | if ( prop != NULL ) |
---|
158 | XFree(prop); |
---|
159 | |
---|
160 | return NULL; |
---|
161 | } |
---|
162 | |
---|
163 | if ( prop == NULL ) |
---|
164 | return NULL; |
---|
165 | |
---|
166 | if (actual_type != XA_STRING) { |
---|
167 | XFree(prop); |
---|
168 | |
---|
169 | return NULL; |
---|
170 | } |
---|
171 | |
---|
172 | ret = roar_mm_malloc(nitems+1); |
---|
173 | |
---|
174 | memcpy(ret, prop, nitems); |
---|
175 | ret[nitems] = 0; |
---|
176 | |
---|
177 | XFree(prop); |
---|
178 | |
---|
179 | return ret; |
---|
180 | #else |
---|
181 | return NULL; |
---|
182 | #endif |
---|
183 | } |
---|
184 | |
---|
185 | //ll |
---|