From ad0f13a0a987c60094d207e8fc43bac4b525f4d1 Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <michael@stapelberg.de>
Date: Thu, 20 Oct 2011 18:47:09 +0100
Subject: [PATCH] Clean bars before reloading the config (+test)

While the configuration gets updated in i3, the i3bar processes will not pick
up these changes. We have to think about a good way to do that.
---
 src/config.c                 | 26 ++++++++++++++++++++++++++
 testcases/t/177-bar-config.t |  8 ++++++++
 2 files changed, 34 insertions(+)

diff --git a/src/config.c b/src/config.c
index d39a5761..0830add8 100644
--- a/src/config.c
+++ b/src/config.c
@@ -295,6 +295,32 @@ void load_configuration(xcb_connection_t *conn, const char *override_configpath,
             FREE(assign);
         }
 
+        /* Clear bar configs */
+        Barconfig *barconfig;
+        while (!TAILQ_EMPTY(&barconfigs)) {
+            barconfig = TAILQ_FIRST(&barconfigs);
+            FREE(barconfig->id);
+            for (int c = 0; c < barconfig->num_outputs; c++)
+                free(barconfig->outputs[c]);
+            FREE(barconfig->outputs);
+            FREE(barconfig->tray_output);
+            FREE(barconfig->socket_path);
+            FREE(barconfig->status_command);
+            FREE(barconfig->font);
+            FREE(barconfig->colors.background);
+            FREE(barconfig->colors.statusline);
+            FREE(barconfig->colors.focused_workspace_text);
+            FREE(barconfig->colors.focused_workspace_bg);
+            FREE(barconfig->colors.active_workspace_text);
+            FREE(barconfig->colors.active_workspace_bg);
+            FREE(barconfig->colors.inactive_workspace_text);
+            FREE(barconfig->colors.inactive_workspace_bg);
+            FREE(barconfig->colors.urgent_workspace_text);
+            FREE(barconfig->colors.urgent_workspace_bg);
+            TAILQ_REMOVE(&barconfigs, barconfig, configs);
+            FREE(barconfig);
+        }
+
         /* Clear workspace names */
 #if 0
         Workspace *ws;
diff --git a/testcases/t/177-bar-config.t b/testcases/t/177-bar-config.t
index c7cf2843..761dbf21 100644
--- a/testcases/t/177-bar-config.t
+++ b/testcases/t/177-bar-config.t
@@ -54,6 +54,14 @@ ok($bar_config->{workspace_buttons}, 'workspace buttons enabled per default');
 is($bar_config->{mode}, 'hide', 'hide mode by default');
 is($bar_config->{position}, 'bottom', 'position bottom by default');
 
+#####################################################################
+# ensure that reloading cleans up the old bar configs
+#####################################################################
+
+cmd 'reload';
+$bars = $i3->get_bar_config()->recv;
+is(@$bars, 1, 'still one bar configured');
+
 exit_gracefully($pid);
 
 #####################################################################
-- 
2.39.5