only commit surface when it changed

This is based off of a commit in wvkbd

Previously wvkbd (and suggpicker) would commit a (usually unchanged) surface at the framerate of the compositor,
this only commits the buffer when we render something new.

1 files changed, 2 insertions, 1 deletions

diff --git a/keyboard.c b/keyboard.c
index 2b1506a..293a2f6 100644
--- a/keyboard.c
+++ b/keyboard.c
@@ -73,6 +73,7 @@ kbd_unpress_key(struct kbd *kb) {
 	if (kb->last_press) {
 		kbd_draw_key(kb, kb->last_press, Unpress);
 		kb->last_press = NULL;
+		drwsurf_flip(kb->surf);
 	}
 }
 
@@ -83,7 +84,6 @@ kbd_release_key(struct kbd *kb) {
 		// Important so autocompleted words get typed in time
 		fflush(stdout);
 		kbd_unpress_key(kb);
-		kbd_draw_layout(kb);
 	}
 }
 
@@ -104,6 +104,7 @@ kbd_press_key(struct kbd *kb, struct key *k) {
 	if (k->label) {
 		kb->last_press = k;
 		kbd_draw_key(kb, k, Press);
+		drwsurf_flip(kb->surf);
 	}
 }