From: Jose Dapena Paz <jdapena@igalia.com>
Date: Wed, 10 Dec 2008 17:01:14 +0000 (+0000)
Subject: Autoscroll to first element in header window if user didn't scroll
X-Git-Url: http://vcs.maemo.org/git/?a=commitdiff_plain;h=3eaf5dee2bd9e042b06d4b4e6b180ba0d1eaf792;p=modest

Autoscroll to first element in header window if user didn't scroll

pmo-drop-split-view-r6743
---

diff --git a/src/hildon2/modest-header-window.c b/src/hildon2/modest-header-window.c
index f662680..c8afc67 100644
--- a/src/hildon2/modest-header-window.c
+++ b/src/hildon2/modest-header-window.c
@@ -78,6 +78,9 @@ struct _ModestHeaderWindowPrivate {
 
 	TnyFolder *folder;
 
+	/* autoscroll */
+	gboolean autoscroll;
+
 	/* banners */
 	GtkWidget *updating_banner;
 	guint updating_banner_timeout;
@@ -136,6 +139,12 @@ static void set_delete_edit_mode (GtkButton *button,
 				  ModestHeaderWindow *self);
 static void set_moveto_edit_mode (GtkButton *button,
 				  ModestHeaderWindow *self);
+static gboolean on_expose_event(GtkTreeView *header_view,
+				GdkEventExpose *event,
+				gpointer user_data);
+static void on_vertical_movement (HildonPannableArea *area,
+				  HildonMovementDirection direction,
+				  gdouble x, gdouble y, gpointer user_data);
 
 /* globals */
 static GtkWindowClass *parent_class = NULL;
@@ -211,6 +220,7 @@ modest_header_window_init (ModestHeaderWindow *obj)
 	priv->folder = NULL;
 	priv->updating_banner = NULL;
 	priv->updating_banner_timeout = 0;
+	priv->autoscroll = TRUE;
 	
 	modest_window_mgr_register_help_id (modest_runtime_get_window_mgr(),
 					    GTK_WINDOW(obj),
@@ -277,7 +287,20 @@ connect_signals (ModestHeaderWindow *self)
 					   "updating-msg-list",
 					   G_CALLBACK (on_updating_msg_list), 
 					   self);
-	
+	priv->sighandlers =
+		modest_signal_mgr_connect (priv->sighandlers,
+					   G_OBJECT (priv->header_view),
+					   "expose-event",
+					   G_CALLBACK (on_expose_event),
+					   self);
+
+	priv->sighandlers =
+		modest_signal_mgr_connect (priv->sighandlers,
+					   G_OBJECT (priv->contents_view), 
+					   "vertical-movement", 
+					   G_CALLBACK (on_vertical_movement), 
+					   self);
+
 	/* TODO: connect header view activate */
 
 	/* window */
@@ -331,6 +354,17 @@ create_empty_view (void)
 	return align;
 }
 
+static void
+on_vertical_movement (HildonPannableArea *area,
+		      HildonMovementDirection direction,
+		      gdouble x, gdouble y, gpointer user_data)
+{
+	ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
+	ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
+
+	priv->autoscroll = FALSE;
+}
+
 
 ModestWindow *
 modest_header_window_new (TnyFolder *folder)
@@ -742,3 +776,19 @@ set_moveto_edit_mode (GtkButton *button,
 {
 	set_edit_mode (self, EDIT_MODE_COMMAND_MOVE);
 }
+
+static gboolean 
+on_expose_event(GtkTreeView *header_view,
+		GdkEventExpose *event,
+		gpointer user_data)
+{
+	ModestHeaderWindow *self = (ModestHeaderWindow *) user_data;
+	ModestHeaderWindowPrivate *priv = MODEST_HEADER_WINDOW_GET_PRIVATE (self);
+
+	g_return_val_if_fail (MODEST_IS_HEADER_WINDOW (self), FALSE);
+
+	if (priv->autoscroll)
+		hildon_pannable_area_jump_to (HILDON_PANNABLE_AREA (priv->contents_view), 0.0, 0.0);
+
+	return FALSE;
+}