From 01e90494fc953a58283ab49aca5562f9f456a6b8 Mon Sep 17 00:00:00 2001
From: Thierry Lorthiois <lorthiois@bbsoft.fr>
Date: Thu, 22 Oct 2009 20:31:53 +0000
Subject: [PATCH] killall -SIGUSR1 tint2 will reload config file. need more
 fixed.

---
 src/clock/clock.c |  2 +-
 src/panel.c       | 32 +++++++++++++++++---------------
 src/panel.h       |  2 +-
 src/tint.c        |  2 +-
 4 files changed, 20 insertions(+), 18 deletions(-)

diff --git a/src/clock/clock.c b/src/clock/clock.c
index cff5e61..2745a80 100644
--- a/src/clock/clock.c
+++ b/src/clock/clock.c
@@ -70,7 +70,7 @@ void init_clock_panel(void *p)
 {
 	Panel *panel =(Panel*)p;
 	Clock *clock = &panel->clock;
-	int i, time_height, time_height_ink, date_height, date_height_ink;
+	int time_height, time_height_ink, date_height, date_height_ink;
 
 	clock->area.parent = p;
 	clock->area.panel = p;
diff --git a/src/panel.c b/src/panel.c
index e6d747f..06dc5ac 100644
--- a/src/panel.c
+++ b/src/panel.c
@@ -80,30 +80,32 @@ void init_panel()
 		}
 	}
 
-	// alloc panels (one monitor or all monitors)
+	// number of panels
 	old_nb_panel = nb_panel;
 	if (panel_config.monitor >= 0)
 		nb_panel = 1;
 	else
 		nb_panel = server.nb_monitor;
 
-	if (nb_panel < old_nb_panel) {
-		// freed old panels
-		for (i=nb_panel ; i < old_nb_panel ; i++) {
-			if (panel1[i].main_win)
-				XDestroyWindow(server.dsp, panel1[i].main_win);
+	// freed old panels
+	for (i=nb_panel ; i < old_nb_panel ; i++) {
+		if (panel1[i].main_win) {
+			XDestroyWindow(server.dsp, panel1[i].main_win);
+			panel1[i].main_win = 0;
 		}
-		new_panel = realloc(panel1, nb_panel * sizeof(Panel));
 	}
-	else if (nb_panel > old_nb_panel) {
+
+	// alloc & init new panel
+	Window old_win;
+	if (nb_panel != old_nb_panel)
 		new_panel = realloc(panel1, nb_panel * sizeof(Panel));
-		// init new panel
-		for (i=old_nb_panel ; i < nb_panel ; i++) {
-			memcpy(&new_panel[i], &panel_config, sizeof(Panel));
-		}
-	}
 	else
 		new_panel = panel1;
+	for (i=0 ; i < nb_panel ; i++) {
+		old_win = new_panel[i].main_win;
+		memcpy(&new_panel[i], &panel_config, sizeof(Panel));
+		new_panel[i].main_win = old_win;
+	}
 
 	fprintf(stderr, "tint2 : nb monitor %d, nb desktop %d\n", nb_panel, server.nb_desktop);
 	for (i=0 ; i < nb_panel ; i++) {
@@ -145,7 +147,7 @@ void init_panel()
 
 		if (i >= old_nb_panel) {
 			// new panel
-			printf("new panel %d : %d, %d, %d, %d\n", i, p->posx, p->posy, p->area.width, p->area.height);
+			//printf("new panel %d : %d, %d, %d, %d\n", i, p->posx, p->posy, p->area.width, p->area.height);
 
 			// Catch some events
 			long event_mask = ExposureMask|ButtonPressMask|ButtonReleaseMask;
@@ -161,7 +163,7 @@ void init_panel()
 		}
 		else {
 			// old panel
-			printf("old panel %d : %d, %d, %d, %d\n", i, p->posx, p->posy, p->area.width, p->area.height);
+			//printf("old panel %d : %d, %d, %d, %d\n", i, p->posx, p->posy, p->area.width, p->area.height);
 			XMoveResizeWindow(server.dsp, p->main_win, p->posx, p->posy, p->area.width, p->area.height);
 			set_panel_background(p);
 		}
diff --git a/src/panel.h b/src/panel.h
index a74b080..22072ff 100644
--- a/src/panel.h
+++ b/src/panel.h
@@ -106,7 +106,7 @@ extern Panel *panel1;
 extern int  nb_panel;
 
 // realloc panels according to number of monitor
-// it's used on initial config and when new monitor added
+// use panel_config as default value
 void init_panel();
 
 void init_panel_size_and_position(Panel *panel);
diff --git a/src/tint.c b/src/tint.c
index 88f3343..ec30b5d 100644
--- a/src/tint.c
+++ b/src/tint.c
@@ -861,7 +861,7 @@ int main (int argc, char *argv[])
 		switch (signal_pending) {
 			case SIGUSR1:
 				signal_pending = 0;
-				printf("SIGUSR1\n");
+				init_config();
 				config_read_file (config_path);
 				init_panel();
 				break;
-- 
2.45.2