1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
3 obt/display.c for the Openbox window manager
4 Copyright (c) 2007 Dana Jansens
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 See the COPYING file for a copy of the GNU General Public License.
19 #include "obt/display.h"
31 gboolean obt_display_error_occured = FALSE;
33 gboolean obt_display_extension_xkb = FALSE;
34 gint obt_display_extension_xkb_basep;
35 gboolean obt_display_extension_shape = FALSE;
36 gint obt_display_extension_shape_basep;
37 gboolean obt_display_extension_xinerama = FALSE;
38 gint obt_display_extension_xinerama_basep;
39 gboolean obt_display_extension_randr = FALSE;
40 gint obt_display_extension_randr_basep;
41 gboolean obt_display_extension_sync = FALSE;
42 gint obt_display_extension_sync_basep;
44 static gint xerror_handler(Display *d, XErrorEvent *e);
46 static gboolean xerror_ignore = FALSE;
48 Display* obt_display_open(const char *display_name)
53 n = display_name ? g_strdup(display_name) : NULL;
59 if (fcntl(ConnectionNumber(d), F_SETFD, 1) == -1)
60 g_message("Failed to set display as close-on-exec");
61 XSetErrorHandler(xerror_handler);
63 /* read what extensions are present */
65 obt_display_extension_xkb =
66 XkbQueryExtension(d, &junk,
67 &obt_display_extension_xkb_basep, &junk,
69 if (!obt_display_extension_xkb)
70 g_message("XKB extension is not present on the server");
74 obt_display_extension_shape =
75 XShapeQueryExtension(d, &obt_display_extension_shape_basep,
77 if (!obt_display_extension_shape)
78 g_message("X Shape extension is not present on the server");
82 obt_display_extension_xinerama =
83 XineramaQueryExtension(d,
84 &obt_display_extension_xinerama_basep,
85 &junk) && XineramaIsActive(d);
86 if (!obt_display_extension_xinerama)
87 g_message("Xinerama extension is not present on the server");
91 obt_display_extension_randr =
92 XRRQueryExtension(d, &obt_display_extension_randr_basep,
94 if (!obt_display_extension_randr)
95 g_message("XRandR extension is not present on the server");
99 obt_display_extension_sync =
100 XSyncQueryExtension(d, &obt_display_extension_sync_basep,
101 &junk) && XSyncInitialize(d, &junk, &junk);
102 if (!obt_display_extension_sync)
103 g_message("X Sync extension is not present on the server or is an "
104 "incompatible version");
112 void obt_display_close(Display *d)
114 if (d) XCloseDisplay(d);
117 static gint xerror_handler(Display *d, XErrorEvent *e)
122 XGetErrorText(d, e->error_code, errtxt, 127);
123 if (!xerror_ignore) {
124 if (e->error_code == BadWindow)
125 /*g_message(_("X Error: %s\n"), errtxt)*/;
127 g_error("X Error: %s", errtxt);
129 g_message("XError code %d '%s'", e->error_code, errtxt);
134 obt_display_error_occured = TRUE;
138 void obt_display_ignore_errors(Display *d, gboolean ignore)
141 xerror_ignore = ignore;
142 if (ignore) obt_display_error_occured = FALSE;