ui/ncurses: implement global keys

Add process_global_keys to handle global key events. Using this,
implement ctrl+l to refresh.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/ui/ncurses/nc-cui.c b/ui/ncurses/nc-cui.c
index 3f8995e..d091331 100644
--- a/ui/ncurses/nc-cui.c
+++ b/ui/ncurses/nc-cui.c
@@ -199,6 +199,19 @@ struct nc_scr *cui_set_current(struct cui *cui, struct nc_scr *scr)
 	return old;
 }
 
+static bool process_global_keys(struct cui *cui, int key)
+{
+	switch (key) {
+	case 0xc:
+		if (cui->current && cui->current->main_ncw) {
+			redrawwin(cui->current->main_ncw);
+			wrefresh(cui->current->main_ncw);
+		}
+		return true;
+	}
+	return false;
+}
+
 /**
  * cui_process_key - Process input on stdin.
  */
@@ -216,6 +229,9 @@ static int cui_process_key(void *arg)
 		if (c == ERR)
 			break;
 
+		if (process_global_keys(cui, c))
+			continue;
+
 		cui->current->process_key(cui->current, c);
 	}