From d3793dba2a57d2512ca0a7987b3385986ec2c9ea Mon Sep 17 00:00:00 2001
From: cos <cos>
Date: Fri, 24 May 2013 18:55:31 +0200
Subject: Adapt group bar to be updated on group number or name change.

---
 src/bar.c | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 59 insertions(+), 1 deletion(-)

(limited to 'src/bar.c')

diff --git a/src/bar.c b/src/bar.c
index 25d9a46..d9982c2 100644
--- a/src/bar.c
+++ b/src/bar.c
@@ -40,7 +40,8 @@
 /* Possible values for bar_is_raised status. */
 #define BAR_IS_HIDDEN  0
 #define BAR_IS_WINDOW_LIST 1
-#define BAR_IS_MESSAGE     2
+#define BAR_IS_GROUP_LIST  2
+#define BAR_IS_MESSAGE     3
 
 /* A copy of the last message displayed in the message bar. */
 static char *last_msg = NULL;
@@ -104,6 +105,31 @@ show_bar (rp_screen *s, char *fmt)
   return 0;
 }
 
+/* Show group listing in bar. */
+int
+show_group_bar (rp_screen *s)
+{
+  if (!s->bar_is_raised)
+    {
+      s->bar_is_raised = BAR_IS_GROUP_LIST;
+      XMapRaised (dpy, s->bar_window);
+      update_group_names (s);
+
+      /* Switch to the default colormap */
+      if (current_window())
+	XUninstallColormap (dpy, current_window()->colormap);
+      XInstallColormap (dpy, s->def_cmap);
+
+      reset_alarm();
+      return 1;
+    }
+
+  /* If the bar is raised we still need to display the window
+     names. */
+  update_group_names (s);
+  return 0;
+}
+
 int
 bar_x (rp_screen *s, int width)
 {
@@ -172,6 +198,11 @@ update_bar (rp_screen *s)
     return;
   }
 
+  if (s->bar_is_raised == BAR_IS_GROUP_LIST) {
+    update_group_names (s);
+    return;
+  }
+
   if (s->bar_is_raised == BAR_IS_HIDDEN)
     return;
 
@@ -207,6 +238,33 @@ update_window_names (rp_screen *s, char *fmt)
   sbuf_free (bar_buffer);
 }
 
+/* Note that we use marked_message_internal to avoid resetting the
+   alarm. */
+void
+update_group_names (rp_screen *s)
+{
+  struct sbuf *bar_buffer;
+  int mark_start = 0;
+  int mark_end = 0;
+
+  if (s->bar_is_raised != BAR_IS_GROUP_LIST) return;
+
+  bar_buffer = sbuf_new (0);
+
+  if (defaults.window_list_style == STYLE_ROW)
+    {
+      get_group_list (NULL, bar_buffer, &mark_start, &mark_end);
+      marked_message_internal (sbuf_get (bar_buffer), mark_start, mark_end);
+    }
+  else    
+    {
+      get_group_list ("\n", bar_buffer, &mark_start, &mark_end);
+      marked_message_internal (sbuf_get (bar_buffer), mark_start, mark_end);
+    }
+
+  sbuf_free (bar_buffer);
+}
+
 void
 message (char *s)
 {
-- 
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