handle errors when displaying manual

introduced helper function for displaying GErrors in a message box

2 files changed, 27 insertions, 1 deletions

diff --git a/src/experiment-player.h b/src/experiment-player.h
index 9fb2faa..5797801 100644
--- a/src/experiment-player.h
+++ b/src/experiment-player.h
@@ -4,6 +4,7 @@
 #include <gtk/gtk.h>
 
 gboolean load_media_file(const gchar *file);
+void show_message_dialog_gerror(GError *err);
 
 extern GtkWidget *player_window;
 
diff --git a/src/main.c b/src/main.c
index 6d4fcfc..e616491 100644
--- a/src/main.c
+++ b/src/main.c
@@ -8,6 +8,8 @@
 #include <X11/Xlib.h>
 #endif
 
+#include <glib.h>
+
 #include <gtk/gtk.h>
 #include <gtk-vlc-player.h>
 
@@ -87,7 +89,12 @@ void
 help_menu_manual_item_activate_cb(GtkWidget *widget __attribute__((unused)),
 				  gpointer data __attribute__((unused)))
 {
-	gtk_show_uri(NULL, HELP_URI, GDK_CURRENT_TIME, NULL);
+	GError *err = NULL;
+
+	if (!gtk_show_uri(NULL, HELP_URI, GDK_CURRENT_TIME, &err)) {
+		show_message_dialog_gerror(err);
+		g_error_free(err);
+	}
 }
 
 void
@@ -123,6 +130,24 @@ load_media_file(const gchar *file)
 	return FALSE;
 }
 
+void
+show_message_dialog_gerror(GError *err)
+{
+	GtkWidget *dialog;
+
+	if (err == NULL)
+		return;
+
+	dialog = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL,
+					GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
+					"%s", err->message);
+	gtk_window_set_title(GTK_WINDOW(dialog), "Error");
+
+	gtk_dialog_run(GTK_DIALOG(dialog));
+
+	gtk_widget_destroy(dialog);
+}
+
 int
 main(int argc, char *argv[])
 {