1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
/*
* 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
*
* Deprecated: 2.24: This function is being removed in 3.0. Use
* either g_spawn_sync(), g_spawn_async(), or #GdkAppLaunchContext instead.
**/
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
*
* Deprecated: 2.24: This function is being removed in 3.0. Use
* either g_spawn_async_with_pipes() or #GdkAppLaunchContext instead.
**/
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
*
* Deprecated: 2.24: This function is being removed in 3.0. Use
* either g_spawn_command_line_sync(), g_spawn_command_line_async() or
* #GdkAppLaunchContext instead.
**/
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"
|
