glib/gio/tests/gapplication-example-cmdline4.c

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#include <gio/gio.h>
#include <stdlib.h>
#include <string.h>
static gint
handle_local_options (GApplication *application,
GVariantDict *options,
gpointer user_data)
{
guint32 count;
/* Deal (locally) with version option */
if (g_variant_dict_lookup (options, "version", "b", &count))
{
g_print ("This is example-cmdline4, version 1.2.3\n");
return EXIT_SUCCESS;
}
return -1;
}
static gint
command_line (GApplication *application,
GApplicationCommandLine *cmdline,
gpointer user_data)
{
guint32 count;
GVariantDict *options = g_application_command_line_get_options_dict (cmdline);
/* Deal with arg option */
if (g_variant_dict_lookup (options, "flag", "b", &count))
{
g_application_command_line_print (cmdline, "flag is set\n");
}
return EXIT_SUCCESS;
}
int
main (int argc, char **argv)
{
GApplication *app;
int status;
GOptionEntry entries[] = {
/* A version flag option, to be handled locally */
{ "version", 'v', G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, NULL, "Show the application version", NULL },
/* A dummy flag option, to be handled in primary */
{ "flag", 'f', G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, NULL, "A flag argument", NULL },
{ NULL }
};
app = g_application_new ("org.gtk.TestApplication",
G_APPLICATION_HANDLES_COMMAND_LINE);
g_application_add_main_option_entries (app, entries);
g_application_set_option_context_parameter_string (app, "- a simple command line example");
g_application_set_option_context_summary (app,
"Summary:\n"
"This is a simple command line --help example.");
g_application_set_option_context_description (app,
"Description:\n"
"This example illustrates the use of "
"g_application command line --help functionalities "
"(parameter string, summary, description). "
"It does nothing at all except displaying information "
"when invoked with --help argument...\n");
g_signal_connect (app, "handle-local-options", G_CALLBACK (handle_local_options), NULL);
g_signal_connect (app, "command-line", G_CALLBACK (command_line), NULL);
/* This application does absolutely nothing, except if a command line is given */
status = g_application_run (app, argc, argv);
g_object_unref (app);
return status;
}