Map Ctrl-Shift-Z to Redo.

This is in addition to the existing keystrokes r, ^R and ^Y. I've
become used to Ctrl-Shift-Z in other GUI games, and my fingers keep
getting confused when my own puzzles don't handle it the same way.

1 files changed, 2 insertions, 0 deletions

diff --git a/gtk.c b/gtk.c
index 9ce5c8d..c212522 100644
--- a/gtk.c
+++ b/gtk.c
@@ -1206,6 +1206,8 @@ static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
 	     event->keyval == GDK_KEY_Delete ||
 	     event->keyval == GDK_KEY_KP_Delete)
         keyval = '\177';
+    else if ((event->keyval == 'z' || event->keyval == 'Z') && shift && ctrl)
+        keyval = UI_REDO;
     else if (event->string[0] && !event->string[1])
         keyval = (unsigned char)event->string[0];
     else