From 6419f665237d4280966c298a38836b53746b8dcc Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Fri, 28 Aug 2015 12:25:42 +0000
Subject: Give clock mode its own timer.

---
 window-clock.c | 50 ++++++++++++++++++++++++++++++--------------------
 1 file changed, 30 insertions(+), 20 deletions(-)

(limited to 'window-clock.c')

diff --git a/window-clock.c b/window-clock.c
index 3cabd9e9..4a497891 100644
--- a/window-clock.c
+++ b/window-clock.c
@@ -29,8 +29,8 @@ void	window_clock_free(struct window_pane *);
 void	window_clock_resize(struct window_pane *, u_int, u_int);
 void	window_clock_key(struct window_pane *, struct client *,
 	    struct session *, int, struct mouse_event *);
-void	window_clock_timer(struct window_pane *);
 
+void	window_clock_timer_callback(int, short, void *);
 void	window_clock_draw_screen(struct window_pane *);
 
 const struct window_mode window_clock_mode = {
@@ -38,12 +38,12 @@ const struct window_mode window_clock_mode = {
 	window_clock_free,
 	window_clock_resize,
 	window_clock_key,
-	window_clock_timer,
 };
 
 struct window_clock_mode_data {
 	struct screen	        screen;
 	time_t			tim;
+	struct event		timer;
 };
 
 const char window_clock_table[14][5][5] = {
@@ -119,15 +119,42 @@ const char window_clock_table[14][5][5] = {
 	  { 1,0,0,0,1 } },
 };
 
+void
+window_clock_timer_callback(unused int fd, unused short events, void *arg)
+{
+	struct window_pane		*wp = arg;
+	struct window_clock_mode_data	*data = wp->modedata;
+	struct tm			 now, then;
+	time_t				 t;
+	struct timeval			 tv = { .tv_sec = 1 };
+
+	evtimer_del(&data->timer);
+	evtimer_add(&data->timer, &tv);
+
+	t = time(NULL);
+	gmtime_r(&t, &now);
+	gmtime_r(&data->tim, &then);
+	if (now.tm_min == then.tm_min)
+		return;
+	data->tim = t;
+
+	window_clock_draw_screen(wp);
+	server_redraw_window(wp->window);
+}
+
 struct screen *
 window_clock_init(struct window_pane *wp)
 {
 	struct window_clock_mode_data	*data;
 	struct screen			*s;
+	struct timeval			 tv = { .tv_sec = 1 };
 
 	wp->modedata = data = xmalloc(sizeof *data);
 	data->tim = time(NULL);
 
+	evtimer_set(&data->timer, window_clock_timer_callback, wp);
+	evtimer_add(&data->timer, &tv);
+
 	s = &data->screen;
 	screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0);
 	s->mode &= ~MODE_CURSOR;
@@ -142,6 +169,7 @@ window_clock_free(struct window_pane *wp)
 {
 	struct window_clock_mode_data	*data = wp->modedata;
 
+	evtimer_del(&data->timer);
 	screen_free(&data->screen);
 	free(data);
 }
@@ -163,24 +191,6 @@ window_clock_key(struct window_pane *wp, unused struct client *c,
 	window_pane_reset_mode(wp);
 }
 
-void
-window_clock_timer(struct window_pane *wp)
-{
-	struct window_clock_mode_data	*data = wp->modedata;
-	struct tm			 now, then;
-	time_t				 t;
-
-	t = time(NULL);
-	gmtime_r(&t, &now);
-	gmtime_r(&data->tim, &then);
-	if (now.tm_min == then.tm_min)
-		return;
-	data->tim = t;
-
-	window_clock_draw_screen(wp);
-	server_redraw_window(wp->window);
-}
-
 void
 window_clock_draw_screen(struct window_pane *wp)
 {
-- 
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