[3370] | 1 | //roarx11.c: |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010 |
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| 5 | * |
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| 6 | * This file is part of libroar a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * libroar 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 software; see the file COPYING. If not, write to |
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| 21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 22 | * |
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| 23 | * NOTE for everyone want's to change something and send patches: |
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| 24 | * read README and HACKING! There a addition information on |
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| 25 | * the license of this document you need to read before you send |
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| 26 | * any patches. |
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| 27 | * |
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| 28 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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| 29 | * or libpulse*: |
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| 30 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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| 31 | * and are therefore GPL. Because of this it may be illigal to use |
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| 32 | * them with any software that uses libesd, libartsc or libpulse*. |
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| 33 | */ |
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| 34 | |
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| 35 | #include "libroar.h" |
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| 36 | |
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[3371] | 37 | struct roar_x11_connection * roar_x11_connect(char * display) { |
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| 38 | #ifdef ROAR_HAVE_LIBX11 |
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[3375] | 39 | struct roar_libroar_config * config = roar_libroar_get_config(); |
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[3371] | 40 | struct roar_x11_connection * con; |
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| 41 | |
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[3375] | 42 | if ( display == NULL ) |
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| 43 | display = config->x11.display; |
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| 44 | |
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[3371] | 45 | if ( (con = roar_mm_malloc(sizeof(struct roar_x11_connection))) == NULL ) |
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| 46 | return NULL; |
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| 47 | |
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| 48 | if ( (con->display = XOpenDisplay(display)) == NULL ) { |
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| 49 | roar_mm_free(con); |
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| 50 | return NULL; |
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| 51 | } |
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| 52 | |
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| 53 | return con; |
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| 54 | #else |
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| 55 | return NULL; |
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| 56 | #endif |
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| 57 | } |
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| 58 | |
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| 59 | int roar_x11_disconnect(struct roar_x11_connection * con) { |
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| 60 | #ifdef ROAR_HAVE_LIBX11 |
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| 61 | int ret; |
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| 62 | |
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| 63 | if ( con == NULL ) |
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| 64 | return -1; |
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| 65 | |
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| 66 | ret = XCloseDisplay(con->display); |
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| 67 | |
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| 68 | roar_mm_free(con); |
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| 69 | |
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| 70 | return ret; |
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| 71 | #else |
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| 72 | return -1; |
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| 73 | #endif |
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| 74 | } |
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| 75 | |
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| 76 | int roar_x11_set_prop(struct roar_x11_connection * con, const char * key, const char * val) { |
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| 77 | #ifdef ROAR_HAVE_LIBX11 |
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| 78 | Atom a; |
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| 79 | |
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| 80 | if ( con == NULL ) |
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| 81 | return -1; |
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| 82 | |
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| 83 | a = XInternAtom(con->display, key, False); |
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| 84 | |
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| 85 | XChangeProperty(con->display, RootWindow(con->display, 0), a, XA_STRING, 8, PropModeReplace, (const unsigned char*) val, strlen(val)+1); |
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| 86 | |
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| 87 | return 0; |
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| 88 | #else |
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| 89 | return -1; |
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| 90 | #endif |
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| 91 | } |
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| 92 | |
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| 93 | int roar_x11_delete_prop(struct roar_x11_connection * con, const char * key) { |
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| 94 | #ifdef ROAR_HAVE_LIBX11 |
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| 95 | Atom a; |
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| 96 | if ( con == NULL ) |
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| 97 | return -1; |
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| 98 | |
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| 99 | a = XInternAtom(con->display, key, False); |
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| 100 | XDeleteProperty(con->display, RootWindow(con->display, 0), a); |
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| 101 | |
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| 102 | return 0; |
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| 103 | #else |
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| 104 | return -1; |
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| 105 | #endif |
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| 106 | } |
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| 107 | |
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[3372] | 108 | char * roar_x11_get_prop(struct roar_x11_connection * con, const char * key) { |
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| 109 | unsigned long nitems; |
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| 110 | unsigned long nbytes_after; |
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| 111 | unsigned char * prop = NULL; |
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| 112 | char * ret = NULL; |
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| 113 | int actual_format; |
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| 114 | Atom actual_type; |
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| 115 | Atom a; |
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| 116 | |
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| 117 | a = XInternAtom(con->display, key, False); |
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| 118 | |
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| 119 | if ( XGetWindowProperty(con->display, RootWindow(con->display, 0), a, |
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| 120 | 0, 256, False, XA_STRING, &actual_type, |
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| 121 | &actual_format, &nitems, &nbytes_after, &prop) != Success ) { |
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| 122 | if ( prop != NULL ) |
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| 123 | XFree(prop); |
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| 124 | |
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| 125 | return NULL; |
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| 126 | } |
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| 127 | |
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| 128 | if ( prop == NULL ) |
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| 129 | return NULL; |
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| 130 | |
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| 131 | if (actual_type != XA_STRING) { |
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| 132 | XFree(prop); |
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| 133 | |
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| 134 | return NULL; |
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| 135 | } |
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| 136 | |
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| 137 | ret = roar_mm_malloc(nitems+1); |
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| 138 | |
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| 139 | memcpy(ret, prop, nitems); |
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| 140 | ret[nitems] = 0; |
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| 141 | |
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| 142 | XFree(prop); |
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| 143 | |
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| 144 | return ret; |
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| 145 | } |
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| 146 | |
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[3370] | 147 | //ll |
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