diff options
Diffstat (limited to 'obt/display.c')
| -rw-r--r-- | obt/display.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/obt/display.c b/obt/display.c new file mode 100644 index 00000000..d72f8ad6 --- /dev/null +++ b/obt/display.c @@ -0,0 +1,152 @@ +/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*- + + obt/display.c for the Openbox window manager + Copyright (c) 2007 Dana Jansens + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + See the COPYING file for a copy of the GNU General Public License. +*/ + +#include "obt/display.h" +#include "obt/prop.h" +#include "obt/internal.h" +#include "obt/keyboard.h" + +#ifdef HAVE_STRING_H +# include <string.h> +#endif +#ifdef HAVE_FCNTL_H +# include <fcntl.h> +#endif +#ifdef HAVE_UNISTD_H +# include <unistd.h> +#endif + +Display* obt_display = NULL; + +gboolean obt_display_error_occured = FALSE; + +gboolean obt_display_extension_xkb = FALSE; +gint obt_display_extension_xkb_basep; +gboolean obt_display_extension_shape = FALSE; +gint obt_display_extension_shape_basep; +gboolean obt_display_extension_xinerama = FALSE; +gint obt_display_extension_xinerama_basep; +gboolean obt_display_extension_randr = FALSE; +gint obt_display_extension_randr_basep; +gboolean obt_display_extension_sync = FALSE; +gint obt_display_extension_sync_basep; + +static gint xerror_handler(Display *d, XErrorEvent *e); + +static gboolean xerror_ignore = FALSE; + +gboolean obt_display_open(const char *display_name) +{ + gchar *n; + Display *d = NULL; + + n = display_name ? g_strdup(display_name) : NULL; + obt_display = d = XOpenDisplay(n); + if (d) { + gint junk; + (void)junk; + + if (fcntl(ConnectionNumber(d), F_SETFD, 1) == -1) + g_message("Failed to set display as close-on-exec"); + XSetErrorHandler(xerror_handler); + + /* read what extensions are present */ +#ifdef XKB + obt_display_extension_xkb = + XkbQueryExtension(d, &junk, + &obt_display_extension_xkb_basep, &junk, + NULL, NULL); + if (!obt_display_extension_xkb) + g_message("XKB extension is not present on the server"); +#endif + +#ifdef SHAPE + obt_display_extension_shape = + XShapeQueryExtension(d, &obt_display_extension_shape_basep, + &junk); + if (!obt_display_extension_shape) + g_message("X Shape extension is not present on the server"); +#endif + +#ifdef XINERAMA + obt_display_extension_xinerama = + XineramaQueryExtension(d, + &obt_display_extension_xinerama_basep, + &junk) && XineramaIsActive(d); + if (!obt_display_extension_xinerama) + g_message("Xinerama extension is not present on the server"); +#endif + +#ifdef XRANDR + obt_display_extension_randr = + XRRQueryExtension(d, &obt_display_extension_randr_basep, + &junk); + if (!obt_display_extension_randr) + g_message("XRandR extension is not present on the server"); +#endif + +#ifdef SYNC + obt_display_extension_sync = + XSyncQueryExtension(d, &obt_display_extension_sync_basep, + &junk) && XSyncInitialize(d, &junk, &junk); + if (!obt_display_extension_sync) + g_message("X Sync extension is not present on the server or is an " + "incompatible version"); +#endif + + obt_prop_startup(); + obt_keyboard_reload(); + } + g_free(n); + + return obt_display != NULL; +} + +void obt_display_close() +{ + obt_keyboard_shutdown(); + if (obt_display) XCloseDisplay(obt_display); +} + +static gint xerror_handler(Display *d, XErrorEvent *e) +{ +#ifdef DEBUG + gchar errtxt[128]; + + XGetErrorText(d, e->error_code, errtxt, 127); + if (!xerror_ignore) { + if (e->error_code == BadWindow) + /*g_message(_("X Error: %s\n"), errtxt)*/; + else + g_error("X Error: %s", errtxt); + } else + g_message("Ignoring XError code %d '%s'", e->error_code, errtxt); +#else + (void)d; (void)e; +#endif + + obt_display_error_occured = TRUE; + return 0; +} + +void obt_display_ignore_errors(gboolean ignore) +{ + XSync(obt_display, FALSE); + xerror_ignore = ignore; + if (ignore) obt_display_error_occured = FALSE; +} |