[evolution] Bug #268644 - unread mail shortcut collides with gtk tree search

[Milan Crha <mcrha src gnome org>]

commit 1f455a08558bac17ba1f33b3d53a6dde02cbeb31
Author: Milan Crha <mcrha redhat com>
Date:   Thu Oct 29 12:35:01 2009 +0100

    Bug #268644 - unread mail shortcut collides with gtk tree search
    
    Re-applied, as it got lost on kill-bonobo merge

 mail/em-folder-tree.c               |   16 ++++++++++++++++
 mail/em-folder-tree.h               |    1 +
 modules/mail/e-mail-shell-sidebar.c |   25 +++++++++++++++++++++++++
 3 files changed, 42 insertions(+), 0 deletions(-)
---
diff --git a/mail/em-folder-tree.c b/mail/em-folder-tree.c
index f1274f7..b683ef6 100644
--- a/mail/em-folder-tree.c
+++ b/mail/em-folder-tree.c
@@ -118,6 +118,7 @@ enum {
 	FOLDER_ACTIVATED,  /* aka double-clicked or user hit enter */
 	FOLDER_SELECTED,
 	POPUP_EVENT,
+	HIDDEN_KEY_EVENT,
 	LAST_SIGNAL
 };
 
@@ -652,6 +653,12 @@ folder_tree_key_press_event (GtkWidget *widget,
 	GtkTreeSelection *selection;
 	GtkTreeView *tree_view;
 
+	if (event && event->type == GDK_KEY_PRESS && (event->keyval == GDK_space || event->keyval == '.' || event->keyval == ',' || event->keyval == '[' || event->keyval == ']')) {
+		g_signal_emit (widget, signals [HIDDEN_KEY_EVENT], 0, event);
+
+ 		return TRUE;
+	}
+
 	priv = EM_FOLDER_TREE_GET_PRIVATE (widget);
 
 	tree_view = GTK_TREE_VIEW (widget);
@@ -836,6 +843,15 @@ folder_tree_class_init (EMFolderTreeClass *class)
 		g_cclosure_marshal_VOID__BOXED,
 		G_TYPE_NONE, 1,
 		GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+
+	signals[HIDDEN_KEY_EVENT] =
+		g_signal_new ("hidden-key-event",
+			      G_OBJECT_CLASS_TYPE (object_class),
+			      G_SIGNAL_RUN_LAST,
+			      G_STRUCT_OFFSET (EMFolderTreeClass, hidden_key_event),
+			      NULL, NULL,
+			      g_cclosure_marshal_VOID__BOXED,
+			      G_TYPE_NONE, 1, GDK_TYPE_EVENT);
 }
 
 static void
diff --git a/mail/em-folder-tree.h b/mail/em-folder-tree.h
index cca5432..02730cb 100644
--- a/mail/em-folder-tree.h
+++ b/mail/em-folder-tree.h
@@ -82,6 +82,7 @@ struct _EMFolderTreeClass {
 						 const gchar *uri,
 						 guint32 flags);
 	void		(*popup_event)		(EMFolderTree *folder_tree);
+	void		(*hidden_key_event)	(EMFolderTree *emft, GdkEvent *event);
 };
 
 GType		em_folder_tree_get_type		(void);
diff --git a/modules/mail/e-mail-shell-sidebar.c b/modules/mail/e-mail-shell-sidebar.c
index dd802fc..91d0a47 100644
--- a/modules/mail/e-mail-shell-sidebar.c
+++ b/modules/mail/e-mail-shell-sidebar.c
@@ -365,6 +365,29 @@ mail_shell_sidebar_selection_changed_cb (EShellSidebar *shell_sidebar,
 }
 
 static void
+tree_hidden_key_event_cb (EMFolderTree *emft, GdkEvent *event, EShellView *shell_view)
+{
+	if (event && event->type == GDK_KEY_PRESS && shell_view) {
+		MessageList *msg_list = e_mail_reader_get_message_list (E_MAIL_READER (e_shell_view_get_shell_content (shell_view)));
+
+		g_return_if_fail (msg_list != NULL);
+
+		switch (event->key.keyval) {
+		case '[':
+		case ',':
+			gtk_widget_grab_focus ((GtkWidget *) msg_list);
+			message_list_select (msg_list, MESSAGE_LIST_SELECT_PREVIOUS|MESSAGE_LIST_SELECT_WRAP, 0, CAMEL_MESSAGE_SEEN);
+			break;
+		case ']':
+		case '.':
+			gtk_widget_grab_focus ((GtkWidget *) msg_list);
+			message_list_select (msg_list, MESSAGE_LIST_SELECT_NEXT|MESSAGE_LIST_SELECT_WRAP, 0, CAMEL_MESSAGE_SEEN);
+			break;
+		}
+	}
+}
+
+static void
 mail_shell_sidebar_get_property (GObject *object,
                                  guint property_id,
                                  GValue *value,
@@ -461,6 +484,8 @@ mail_shell_sidebar_constructed (GObject *object)
 		shell_settings, "mail-side-bar-search",
 		widget, "enable-search");
 
+	g_signal_connect (widget, "hidden-key-event", G_CALLBACK (tree_hidden_key_event_cb), shell_view);
+
 	tree_view = GTK_TREE_VIEW (mail_shell_sidebar->priv->folder_tree);
 	selection = gtk_tree_view_get_selection (tree_view);
 	model = gtk_tree_view_get_model (tree_view);