[gedit/wip/gtkapp: 10/16] Handle the help by ourselves in the local command line

[Ignacio Casal Quinteiro <icq src gnome org>]

commit b2a24d492f6404acf9f34b7c1fadc94510b5c104
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Tue Jul 31 13:11:41 2012 +0200

    Handle the help by ourselves in the local command line

 gedit/gedit-app.c |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)
---
diff --git a/gedit/gedit-app.c b/gedit/gedit-app.c
index 1aa3852..c5ec757 100644
--- a/gedit/gedit-app.c
+++ b/gedit/gedit-app.c
@@ -94,6 +94,7 @@ struct _GeditAppPrivate
 
 static GeditApp *app_instance = NULL;
 
+static gboolean help = FALSE;
 static gboolean version = FALSE;
 static gboolean list_encodings = FALSE;
 static gchar *encoding_charset = NULL;
@@ -107,6 +108,12 @@ static gchar **remaining_args = NULL;
 
 static const GOptionEntry options[] =
 {
+	/* Help */
+	{
+		"help", '?', 0, G_OPTION_ARG_NONE, &help,
+		N_("Show the application's help"), NULL
+	},
+
 	/* Version */
 	{
 		"version", 'V', 0, G_OPTION_ARG_NONE, &version,
@@ -421,6 +428,7 @@ gedit_app_command_line (GApplication            *application,
 
 	/* Setup command line options */
 	context = g_option_context_new (_("- Edit text files"));
+	g_option_context_set_help_enabled (context, FALSE);
 	g_option_context_add_main_entries (context, options, GETTEXT_PACKAGE);
 	g_option_context_add_group (context, gtk_get_option_group (TRUE));
 
@@ -534,6 +542,7 @@ gedit_app_command_line (GApplication            *application,
 	g_free (geometry);
 
 	/* reset values for the next call */
+	help = FALSE;
 	version = FALSE;
 	list_encodings = FALSE;
 	encoding_charset = NULL;
@@ -559,6 +568,7 @@ gedit_app_local_command_line (GApplication   *application,
 	gint argc;
 
 	argv = *arguments;
+	argc = g_strv_length (*arguments);
 	g_message ("local command line");
 	*exit_status = 0;
 
@@ -579,6 +589,14 @@ gedit_app_local_command_line (GApplication   *application,
 		g_error_free (error);
 		*exit_status = 1;
 	}
+	else if (help)
+	{
+		gchar *text = g_option_context_get_help(context, FALSE, NULL);
+		g_print ("%s\n", text);
+		g_free (text);
+
+		return TRUE;
+	}
 	else if (version)
 	{
 		g_print ("%s - Version %s\n", g_get_application_name (), VERSION);