1#include <gio/gio.h>
2#include <stdlib.h>
3#include <string.h>
4
5
6static gint
7handle_local_options (GApplication *application,
8 GVariantDict *options,
9 gpointer user_data)
10{
11 guint32 count;
12
13 /* Deal (locally) with version option */
14 if (g_variant_dict_lookup (dict: options, key: "version", format_string: "b", &count))
15 {
16 g_print (format: "This is example-cmdline4, version 1.2.3\n");
17 return EXIT_SUCCESS;
18 }
19
20 return -1;
21
22}
23
24static gint
25command_line (GApplication *application,
26 GApplicationCommandLine *cmdline,
27 gpointer user_data)
28{
29 guint32 count;
30
31 GVariantDict *options = g_application_command_line_get_options_dict (cmdline);
32
33 /* Deal with arg option */
34 if (g_variant_dict_lookup (dict: options, key: "flag", format_string: "b", &count))
35 {
36 g_application_command_line_print (cmdline, format: "flag is set\n");
37 }
38
39 return EXIT_SUCCESS;
40}
41
42
43int
44main (int argc, char **argv)
45{
46 GApplication *app;
47 int status;
48
49 GOptionEntry entries[] = {
50 /* A version flag option, to be handled locally */
51 { "version", 'v', G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, NULL, "Show the application version", NULL },
52
53 /* A dummy flag option, to be handled in primary */
54 { "flag", 'f', G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, NULL, "A flag argument", NULL },
55
56 { NULL }
57 };
58
59 app = g_application_new (application_id: "org.gtk.TestApplication",
60 flags: G_APPLICATION_HANDLES_COMMAND_LINE);
61
62 g_application_add_main_option_entries (application: app, entries);
63
64 g_application_set_option_context_parameter_string (application: app, parameter_string: "- a simple command line example");
65 g_application_set_option_context_summary (application: app,
66 summary: "Summary:\n"
67 "This is a simple command line --help example.");
68 g_application_set_option_context_description (application: app,
69 description: "Description:\n"
70 "This example illustrates the use of "
71 "g_application command line --help functionalities "
72 "(parameter string, summary, description). "
73 "It does nothing at all except displaying information "
74 "when invoked with --help argument...\n");
75
76 g_signal_connect (app, "handle-local-options", G_CALLBACK (handle_local_options), NULL);
77 g_signal_connect (app, "command-line", G_CALLBACK (command_line), NULL);
78
79 /* This application does absolutely nothing, except if a command line is given */
80 status = g_application_run (application: app, argc, argv);
81
82 g_object_unref (object: app);
83
84 return status;
85}
86

source code of gtk/subprojects/glib/gio/tests/gapplication-example-cmdline4.c