diff options
Diffstat (limited to 'cut-n-paste-code/libegg/egg-screen-exec.c')
| -rw-r--r-- | cut-n-paste-code/libegg/egg-screen-exec.c | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/cut-n-paste-code/libegg/egg-screen-exec.c b/cut-n-paste-code/libegg/egg-screen-exec.c deleted file mode 100644 index 2a96e8c8b..000000000 --- a/cut-n-paste-code/libegg/egg-screen-exec.c +++ /dev/null @@ -1,261 +0,0 @@ -/* egg-screen-exec.c - * - * Copyright (C) 2002 Sun Microsystems Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library 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 - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - * - * Authors: Mark McLoughlin <mark@skynet.ie> - */ - -#include <config.h> - -#include "egg-screen-exec.h" - -#include <string.h> -#include <libgnome/gnome-exec.h> - -#ifndef HAVE_GTK_MULTIHEAD -#include <gdk/gdkx.h> -#endif - -extern char **environ; - -/** - * egg_screen_exec_display_string: - * @screen: A #GdkScreen - * - * Description: Returns a string that when passed to XOpenDisplay() - * would cause @screen to be the default screen on the newly opened - * X display. This string is suitable for setting $DISPLAY when - * launching an application which should appear on @screen. - * - * Returns: a newly allocated string or %NULL on error. - **/ -char * -egg_screen_exec_display_string (GdkScreen *screen) -{ -#ifdef HAVE_GTK_MULTIHEAD - GString *str; - const char *old_display; - char *retval; - char *p; - - g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL); - - if (gdk_screen_get_default () == screen) - return g_strdup_printf ("DISPLAY=%s", - gdk_display_get_name ( - gdk_screen_get_display (screen))); - - old_display = gdk_display_get_name (gdk_screen_get_display (screen)); - - str = g_string_new ("DISPLAY="); - g_string_append (str, old_display); - - p = strrchr (str->str, '.'); - if (p && p > strchr (str->str, ':')) - g_string_truncate (str, p - str->str); - - g_string_append_printf (str, ".%d", gdk_screen_get_number (screen)); - - retval = str->str; - - g_string_free (str, FALSE); - - return retval; -#else - return g_strdup (DisplayString (GDK_DISPLAY ())); -#endif -} - -/** - * egg_screen_exec_environment: - * @screen: A #GdkScreen - * - * Description: Modifies the current program environment to - * ensure that $DISPLAY is set such that a launched application - * inheriting this environment would appear on @screen. - * - * Returns: a newly-allocated %NULL-terminated array of strings or - * %NULL on error. Use g_strfreev() to free it. - **/ -char ** -egg_screen_exec_environment (GdkScreen *screen) -{ - char **retval = NULL; - int i, env_len; -#ifdef HAVE_GTK_MULTIHEAD - int display_index = -1; - - g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL); - - for (env_len = 0; environ [env_len]; env_len++) - if (!strncmp (environ [env_len], "DISPLAY", 7)) - display_index = env_len; - - if (display_index == -1) - display_index = env_len++; -#else - for (env_len = 0; environ [env_len]; env_len++); -#endif - - retval = g_new (char *, env_len + 1); - retval [env_len] = NULL; - - for (i = 0; i < env_len; i++) -#ifdef HAVE_GTK_MULTIHEAD - if (i == display_index) - retval [i] = egg_screen_exec_display_string (screen); - else -#endif - retval [i] = g_strdup (environ [i]); - - g_assert (i == env_len); - - return retval; -} - -/** - * egg_screen_execute_async: - * @screen: A #GdkScreen - * @dir: Directory in which child should be executed, or %NULL for current - * directory - * @argc: Number of arguments - * @argv: Argument vector to exec child - * - * Description: Like gnome_execute_async(), but ensures that the child - * is launched in an environment such that if it calls XOpenDisplay() - * the resulting display would have @screen as the default screen. - * - * Returns: process id of child, or %-1 on error. - **/ -int -egg_screen_execute_async (GdkScreen *screen, - const char *dir, - int argc, - char * const argv []) -{ -#ifdef HAVE_GTK_MULTIHEAD - char **envp = NULL; - int envc = 0; - int retval; - - g_return_val_if_fail (GDK_IS_SCREEN (screen), -1); - - if (gdk_screen_get_default () != screen) { - envc = 1; - envp = g_new0 (char *, 2); - envp [0] = egg_screen_exec_display_string (screen); - } - - retval = gnome_execute_async_with_env (dir, argc, argv, envc, envp); - - g_strfreev (envp); - - return retval; -#else - return gnome_execute_async (dir, argc, argv); -#endif -} - -/** - * egg_screen_execute_shell: - * @screen: A #GdkScreen. - * @dir: Directory in which child should be executed, or %NULL for current - * directory - * @commandline: Shell command to execute - * - * Description: Like gnome_execute_shell(), but ensures that the child - * is launched in an environment such that if it calls XOpenDisplay() - * the resulting display would have @screen as the default screen. - * - * Returns: process id of shell, or %-1 on error. - **/ -int -egg_screen_execute_shell (GdkScreen *screen, - const char *dir, - const char *command) -{ -#ifdef HAVE_GTK_MULTIHEAD - int retval = -1; - - g_return_val_if_fail (GDK_IS_SCREEN (screen), -1); - - if (gdk_screen_get_default () == screen) - retval = gnome_execute_shell (dir, command); - - else { - char *exec; - char *display; - - display = egg_screen_exec_display_string (screen); - exec = g_strconcat (display, " ", command, NULL); - - retval = gnome_execute_shell (dir, exec); - - g_free (display); - g_free (exec); - } - - return retval; -#else - return gnome_execute_shell (dir, command); -#endif -} - -/** - * egg_screen_execute_command_line_async: - * @screen: A #GdkScreen. - * @command_line: a command line - * @error: return location for errors - * - * Description: Like g_spawn_command_line_async(), but ensures that - * the child is launched in an environment such that if it calls - * XOpenDisplay() the resulting display would have @screen as the - * default screen. - * - * Returns: %TRUE on success, %FALSE if error is set. - **/ -gboolean -egg_screen_execute_command_line_async (GdkScreen *screen, - const char *command, - GError **error) -{ -#ifdef HAVE_GTK_MULTIHEAD - gboolean retval; - char **argv = NULL; - char **envp = NULL; - - g_return_val_if_fail (GDK_IS_SCREEN (screen), FALSE); - g_return_val_if_fail (command != NULL, FALSE); - - if (!g_shell_parse_argv (command, NULL, &argv, error)) - return FALSE; - - if (gdk_screen_get_default () != screen) - envp = egg_screen_exec_environment (screen); - - retval = g_spawn_async (NULL, - argv, envp, G_SPAWN_SEARCH_PATH, - NULL, NULL, NULL, error); - g_strfreev (argv); - g_strfreev (envp); - - return retval; -#else - return g_spawn_command_line_async (command, error); -#endif -} |