[anjal] Save/restore cursor/scroll position. On folder switch, close and load on

[Srinivasa Ragavan <sragavan src gnome org>]

commit 5c011380e1f9c004de5077f5e5079bee4b2c9fb6
Author: Srinivasa Ragavan <sragavan novell com>
Date:   Tue Mar 24 12:19:10 2009 +0530

    Save/restore cursor/scroll position. On folder switch, close and load on
    folder load
---
 src/mail-folder-view.c |   31 +++++++++++++++++++++++++------
 1 files changed, 25 insertions(+), 6 deletions(-)

diff --git a/src/mail-folder-view.c b/src/mail-folder-view.c
index e4d914b..6bb773b 100644
--- a/src/mail-folder-view.c
+++ b/src/mail-folder-view.c
@@ -152,13 +152,26 @@ mfv_btn_expose (GtkWidget *w, GdkEventExpose *event, MailFolderView *mfv)
 }
 
 static void
-mfv_close (GtkButton *w, MailFolderView *mfv)
+mfv_save (MailFolderView *mfv)
 {
 	const char *uid = mfv_get_selected_uid (mfv->tree, mfv);
-	if (uid && *uid && mfv->priv->folder) {
+	double pos;
+	char *state;
+
+	if (uid && *uid && mfv->priv->folder) 
 		 camel_object_meta_set (mfv->priv->folder, "anjal:selected_uid", uid);
-		 camel_object_state_write(mfv->priv->folder);
-	}
+
+	pos = gtk_adjustment_get_value(gtk_scrolled_window_get_vadjustment (mfv->priv->view_scroller));
+	state = g_strdup_printf ("%lf", pos);
+	camel_object_meta_set (mfv->priv->folder, "anjal:scroll_position", state);
+	camel_object_state_write(mfv->priv->folder);
+	g_free(state);
+}
+
+static void
+mfv_close (GtkButton *w, MailFolderView *mfv)
+{
+	mfv_save(mfv);
 	g_signal_emit (mfv, signals[VIEW_CLOSE], 0);			
 }
 
@@ -303,9 +316,9 @@ mfv_got_folder(char *uri, CamelFolder *folder, void *data)
 {
 	MailFolderView *mfv = data;
 	struct _db_read_msg *m;
-//	mail_folder_view_set_folder(mfv, folder, uri);
 
 	if (mfv->priv->folder) {
+		mfv_save(mfv);
 		gtk_tree_view_set_model (GTK_TREE_VIEW (mfv->tree), NULL);
 		camel_object_unref (mfv->priv->folder);
 		mfv->priv->folder= NULL;
@@ -364,7 +377,8 @@ mail_folder_view_set_folder (MailFolderView *mfv, CamelFolder *folder, const cha
 	}
 	if (folder) {
 		/* Load cursor based or folder based */
-		char *last_sel_uid;
+		char *last_sel_uid, *spos;
+		double pos = 0;
 		GtkTreeIter iter;
 		gtk_tree_view_set_model (GTK_TREE_VIEW (mfv->tree), mfv->model);
 		mfv->priv->uri = g_strdup(uri);
@@ -375,6 +389,10 @@ mail_folder_view_set_folder (MailFolderView *mfv, CamelFolder *folder, const cha
 		gtk_widget_show (mfv->priv->view_scroller);
 		gtk_widget_show (mfv->tree);		
 		last_sel_uid = camel_object_meta_get (folder, "anjal:selected_uid");
+		spos = camel_object_meta_get (folder, "anjal:scroll_position");
+		if (spos && *spos) {
+			pos = strtod(spos, NULL);
+		}
 		gtk_label_set_text (mfv->priv->tab_str, folder->full_name);
 		if (last_sel_uid && *last_sel_uid) {
 			 GtkTreeSelection *sel = gtk_tree_view_get_selection (mfv->tree);
@@ -388,6 +406,7 @@ mail_folder_view_set_folder (MailFolderView *mfv, CamelFolder *folder, const cha
 				  gtk_tree_path_free (path);
 			 }
 		}
+		gtk_adjustment_set_value(gtk_scrolled_window_get_vadjustment (mfv->priv->view_scroller), pos);
 		/* FIXME: Set a signal emit and listen for it at note book and set the title appropriately */
 	}
 }