Freeze and thaw

svn path=/trunk/; revision=13132

4 files changed, 51 insertions, 0 deletions

diff --git a/my-evolution/ChangeLog b/my-evolution/ChangeLog
index 750002aa72..339ae821c0 100644
--- a/my-evolution/ChangeLog
+++ b/my-evolution/ChangeLog
@@ -1,5 +1,15 @@
 2001-09-25  Iain Holmes  <iain@ximian.com>
 
+	* e-summary.c (e_summary_draw): Check if the summary is frozen, if so
+	just set redraw_pending.
+	(e_summary_freeze): Freeze the summary.
+	(e_summary_thaw): Thaw the summary and redraw if needed.
+
+	* e-summary-factory.c (control_activate): Thaw summary.
+	(control_deactivate): Freeze summary.
+
+2001-09-25  Iain Holmes  <iain@ximian.com>
+
 	* Misc warnings cleanups.
 
 	* e-summary.c (e_summary_url_requested): Check in the cache for the 
diff --git a/my-evolution/e-summary-factory.c b/my-evolution/e-summary-factory.c
index 1f709e1561..7c19f570ac 100644
--- a/my-evolution/e-summary-factory.c
+++ b/my-evolution/e-summary-factory.c
@@ -57,6 +57,7 @@ control_activate (BonoboControl *control,
   	e_pixmaps_update (ui_component, pixmaps); 
 
 	bonobo_ui_component_thaw (ui_component, NULL);
+	e_summary_thaw (summary);
 }
 
 static void
@@ -65,6 +66,7 @@ control_deactivate (BonoboControl *control,
 		    ESummary *summary)
 {
 	bonobo_ui_component_unset_container (ui_component);
+	e_summary_freeze (summary);
 }
 
 static void
diff --git a/my-evolution/e-summary.c b/my-evolution/e-summary.c
index 0ea9e7cde1..d93877e024 100644
--- a/my-evolution/e-summary.c
+++ b/my-evolution/e-summary.c
@@ -82,6 +82,9 @@ struct _ESummaryPrivate {
 	GList *connections;
 
 	gpointer alarm;
+
+	gboolean frozen;
+	gboolean redraw_pending;
 };
 
 typedef struct _ProtocolListener {
@@ -159,6 +162,11 @@ e_summary_draw (ESummary *summary)
 		return;
 	}
 
+	if (summary->priv->frozen == TRUE) {
+		summary->priv->redraw_pending = TRUE;
+		return;
+	}
+
 	string = g_string_new (HTML_1);
 	t = time (NULL);
 	strftime (date, 255, _("%A, %B %e %Y"), localtime (&t));
@@ -447,6 +455,9 @@ e_summary_init (ESummary *summary)
 
 	priv = summary->priv;
 
+	priv->frozen = FALSE;
+	priv->redraw_pending = FALSE;
+
 	priv->html_scroller = gtk_scrolled_window_new (NULL, NULL);
 	gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->html_scroller),
 					GTK_POLICY_AUTOMATIC,
@@ -823,3 +834,29 @@ e_summary_remove_online_connection (ESummary *summary,
 	summary->priv->connections = g_list_remove_link (summary->priv->connections, p);
 	g_list_free (p);
 }
+
+void
+e_summary_freeze (ESummary *summary)
+{
+	g_return_if_fail (IS_E_SUMMARY (summary));
+
+	if (summary->priv->frozen == TRUE) {
+		return;
+	}
+
+	summary->priv->frozen = TRUE;
+}
+
+void
+e_summary_thaw (ESummary *summary)
+{
+	g_return_if_fail (IS_E_SUMMARY (summary));
+	if (summary->priv->frozen == FALSE) {
+		return;
+	}
+
+	summary->priv->frozen = FALSE;
+	if (summary->priv->redraw_pending) {
+		e_summary_draw (summary);
+	}
+}
diff --git a/my-evolution/e-summary.h b/my-evolution/e-summary.h
index 6bb012f75e..d2e4f4e61f 100644
--- a/my-evolution/e-summary.h
+++ b/my-evolution/e-summary.h
@@ -149,4 +149,6 @@ void e_summary_add_online_connection (ESummary *summary,
 void e_summary_remove_online_connection  (ESummary *summary,
 					  ESummaryConnection *connection);
 
+void e_summary_freeze (ESummary *summary);
+void e_summary_thaw (ESummary *summary);
 #endif