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/*
* Copyright (C) 2003 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 <string.h>
#include <stdlib.h>
#include "gdkspawn.h"
#include <glib.h>
#include <gdk/gdk.h>
#include "gdkalias.h"
typedef struct {
char *display;
GSpawnChildSetupFunc child_setup;
gpointer user_data;
} UserChildSetup;
/*
* Set the DISPLAY variable, and then call the user-specified child setup
* function. This is required so that applications can use gdk_spawn_* and
* call putenv() in their child_setup functions.
*/
static void
set_environment (gpointer user_data)
{
UserChildSetup *setup = user_data;
g_setenv ("DISPLAY", setup->display, TRUE);
if (setup->child_setup)
setup->child_setup (setup->user_data);
}
/**
* gdk_spawn_on_screen:
* @screen: a #GdkScreen
* @working_directory: child's current working directory, or %NULL to
* inherit parent's
* @argv: child's argument vector
* @envp: child's environment, or %NULL to inherit parent's
* @flags: flags from #GSpawnFlags
* @child_setup: function to run in the child just before exec()
* @user_data: user data for @child_setup
* @child_pid: return location for child process ID, or %NULL
* @error: return location for error
*
* Like g_spawn_async(), except the child process is spawned in such
* an environment that on calling gdk_display_open() it would be
* returned a #GdkDisplay with @screen as the default screen.
*
* This is useful for applications which wish to launch an application
* on a specific screen.
*
* Return value: %TRUE on success, %FALSE if error is set
*
* Since: 2.4
**/
gboolean
gdk_spawn_on_screen (GdkScreen *screen,
const gchar *working_directory,
gchar **argv,
gchar **envp,
GSpawnFlags flags,
GSpawnChildSetupFunc child_setup,
gpointer user_data,
gint *child_pid,
GError **error)
{
UserChildSetup setup_data;
g_return_val_if_fail (GDK_IS_SCREEN (screen), FALSE);
setup_data.display = gdk_screen_make_display_name (screen);
setup_data.child_setup = child_setup;
setup_data.user_data = user_data;
return g_spawn_async (working_directory,
argv,
envp,
flags,
set_environment,
&setup_data,
child_pid,
error);
}
/**
* gdk_spawn_on_screen_with_pipes:
* @screen: a #GdkScreen
* @working_directory: child's current working directory, or %NULL to
* inherit parent's
* @argv: child's argument vector
* @envp: child's environment, or %NULL to inherit parent's
* @flags: flags from #GSpawnFlags
* @child_setup: function to run in the child just before exec()
* @user_data: user data for @child_setup
* @child_pid: return location for child process ID, or %NULL
* @standard_input: return location for file descriptor to write to
* child's stdin, or %NULL
* @standard_output: return location for file descriptor to read child's
* stdout, or %NULL
* @standard_error: return location for file descriptor to read child's
* stderr, or %NULL
* @error: return location for error
*
* Like g_spawn_async_with_pipes(), except the child process is
* spawned in such an environment that on calling gdk_display_open()
* it would be returned a #GdkDisplay with @screen as the default
* screen.
*
* This is useful for applications which wish to launch an application
* on a specific screen.
*
* Return value: %TRUE on success, %FALSE if an error was set
*
* Since: 2.4
**/
gboolean
gdk_spawn_on_screen_with_pipes (GdkScreen *screen,
const gchar *working_directory,
gchar **argv,
gchar **envp,
GSpawnFlags flags,
GSpawnChildSetupFunc child_setup,
gpointer user_data,
gint *child_pid,
gint *standard_input,
gint *standard_output,
gint *standard_error,
GError **error)
{
UserChildSetup setup_data;
g_return_val_if_fail (GDK_IS_SCREEN (screen), FALSE);
setup_data.display = gdk_screen_make_display_name (screen);
setup_data.child_setup = child_setup;
setup_data.user_data = user_data;
return g_spawn_async_with_pipes (working_directory,
argv,
envp,
flags,
set_environment,
&setup_data,
child_pid,
standard_input,
standard_output,
standard_error,
error);
}
/**
* gdk_spawn_command_line_on_screen:
* @screen: a #GdkScreen
* @command_line: a command line
* @error: return location for errors
*
* Like g_spawn_command_line_async(), except the child process is
* spawned in such an environment that on calling gdk_display_open()
* it would be returned a #GdkDisplay with @screen as the default
* screen.
*
* This is useful for applications which wish to launch an application
* on a specific screen.
*
* Return value: %TRUE on success, %FALSE if error is set.
*
* Since: 2.4
**/
gboolean
gdk_spawn_command_line_on_screen (GdkScreen *screen,
const gchar *command_line,
GError **error)
{
gchar **argv = NULL;
gboolean retval;
g_return_val_if_fail (command_line != NULL, FALSE);
if (!g_shell_parse_argv (command_line,
NULL, &argv,
error))
return FALSE;
retval = gdk_spawn_on_screen (screen,
NULL, argv, NULL,
G_SPAWN_SEARCH_PATH,
NULL, NULL, NULL,
error);
g_strfreev (argv);
return retval;
}
#define __GDK_SPAWN_X11_C__
#include "gdkaliasdef.c"
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