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edaf99be86
When using GOption to handle commandlines, we need to disable the builtin help handling, since it calls exit(). Also mention this particular pitfall in the docs.
107 lines
2.7 KiB
C
107 lines
2.7 KiB
C
#include <gio/gio.h>
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#include <stdlib.h>
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#include <string.h>
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static gboolean
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my_cmdline_handler (gpointer data)
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{
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GApplicationCommandLine *cmdline = data;
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gchar **args;
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gchar **argv;
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gint argc;
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gint arg1;
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gboolean arg2;
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gboolean help;
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GOptionContext *context;
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GOptionEntry entries[] = {
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{ "arg1", 0, 0, G_OPTION_ARG_INT, &arg1, NULL, NULL },
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{ "arg2", 0, 0, G_OPTION_ARG_NONE, &arg2, NULL, NULL },
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{ "help", '?', 0, G_OPTION_ARG_NONE, &help, NULL, NULL },
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{ NULL }
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};
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GError *error;
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gint i;
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args = g_application_command_line_get_arguments (cmdline, &argc);
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/* We have to make an extra copy of the array, since g_option_context_parse()
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* assumes that it can remove strings from the array without freeing them.
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*/
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argv = g_new (gchar*, argc + 1);
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for (i = 0; i <= argc; i++)
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argv[i] = args[i];
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context = g_option_context_new (NULL);
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g_option_context_set_help_enabled (context, FALSE);
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g_option_context_add_main_entries (context, entries, NULL);
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arg1 = 0;
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arg2 = FALSE;
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help = FALSE;
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error = NULL;
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if (!g_option_context_parse (context, &argc, &argv, &error))
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{
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g_application_command_line_printerr (cmdline, "%s\n", error->message);
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g_error_free (error);
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g_application_command_line_set_exit_status (cmdline, 1);
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}
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else if (help)
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{
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gchar *text;
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text = g_option_context_get_help (context, FALSE, NULL);
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g_application_command_line_print (cmdline, "%s", text);
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g_free (text);
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}
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else
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{
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g_application_command_line_print (cmdline, "arg1 is %d and arg2 is %s\n",
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arg1, arg2 ? "TRUE" : "FALSE");
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g_application_command_line_set_exit_status (cmdline, 0);
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}
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g_free (argv);
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g_strfreev (args);
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g_option_context_free (context);
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/* we are done handling this commandline */
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g_object_unref (cmdline);
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return FALSE;
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}
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static int
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command_line (GApplication *application,
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GApplicationCommandLine *cmdline)
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{
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/* keep the application running until we are done with this commandline */
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g_application_hold (application);
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g_object_set_data_full (G_OBJECT (cmdline),
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"application", application,
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(GDestroyNotify)g_application_release);
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g_object_ref (cmdline);
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g_idle_add (my_cmdline_handler, cmdline);
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return 0;
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}
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int
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main (int argc, char **argv)
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{
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GApplication *app;
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int status;
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app = g_application_new ("org.gtk.TestApplication",
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G_APPLICATION_HANDLES_COMMAND_LINE);
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g_signal_connect (app, "command-line", G_CALLBACK (command_line), NULL);
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g_application_set_inactivity_timeout (app, 10000);
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status = g_application_run (app, argc, argv);
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g_object_unref (app);
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return status;
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}
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