Add ability to go backwards

1 files changed, 23 insertions, 0 deletions

diff --git a/glitchyclock.c b/glitchyclock.c
index 0e15787..a5e2894 100644
--- a/glitchyclock.c
+++ b/glitchyclock.c
@@ -122,6 +122,23 @@ static void run_cue(struct glitchyclock *gc)
 }
 
 
+static void back_cue(struct glitchyclock *gc)
+{
+	if ( gc->cue == 0 ) return;
+	gc->cue--;
+	gc->real_time_last_cue = get_monotonic_seconds() - 10;
+	gc->flag = 1;
+	if ( cues[gc->cue].type == FADE_IN ) {
+		gc->real_time_last_reset = get_monotonic_seconds() - 10;
+		gc->base_hours = cues[gc->cue].hours;
+		gc->base_minutes = cues[gc->cue].minutes;
+		gc->base_seconds = cues[gc->cue].seconds;
+	}
+}
+
+
+
+
 static gboolean draw_sig(GtkWidget *widget, cairo_t *cr, struct glitchyclock *gc)
 {
 	double lw, lh;
@@ -274,6 +291,12 @@ static gboolean key_press_sig(GtkWidget *da, GdkEventKey *event, struct glitchyc
 		return TRUE;
 	}
 
+	if ( event->keyval == GDK_KEY_BackSpace ) {
+		back_cue(gc);
+		redraw_cb(gc);
+		return TRUE;
+	}
+
 	if ( event->keyval == GDK_KEY_q ) {
 		gtk_main_quit();
 	}