[gnome-builder] focus movements

[Christian Hergert <chergert src gnome org>]

commit 1db1c9833386dc76e6113b07edb0f620241878d2
Author: Christian Hergert <christian hergert me>
Date:   Wed Mar 18 23:52:24 2015 -0700

    focus movements

 data/keybindings/vim.css  |    5 +++++
 src/views/gb-view-grid.c  |   24 ++++++++++++++++++++++++
 src/views/gb-view-stack.c |   16 ++++++++++++++++
 3 files changed, 45 insertions(+), 0 deletions(-)
---
diff --git a/data/keybindings/vim.css b/data/keybindings/vim.css
index 4f96c30..8ec911f 100644
--- a/data/keybindings/vim.css
+++ b/data/keybindings/vim.css
@@ -903,6 +903,11 @@
   bind "<ctrl>c" { "action" ("view", "close", "") };
 
   bind "s" { "action" ("view", "toggle-split", "") };
+
+  bind "l" { "action" ("view-grid", "focus-neighbor", "5") };
+  bind "h" { "action" ("view-grid", "focus-neighbor", "4") };
+  bind "j" { "action" ("view-grid", "focus-neighbor", "3") };
+  bind "k" { "action" ("view-grid", "focus-neighbor", "2") };
 }
 
 @binding-set builder-vim-source-view-visual-line-g
diff --git a/src/views/gb-view-grid.c b/src/views/gb-view-grid.c
index fc659d5..ff3204e 100644
--- a/src/views/gb-view-grid.c
+++ b/src/views/gb-view-grid.c
@@ -209,6 +209,22 @@ gb_view_grid_focus_neighbor (GbViewGrid       *self,
 }
 
 static void
+gb_view_grid_focus_neighbor_action (GSimpleAction *action,
+                                    GVariant      *param,
+                                    gpointer       user_data)
+{
+  GbViewGrid *self = user_data;
+  GtkDirectionType dir;
+
+  g_assert (GB_IS_VIEW_GRID (self));
+
+  dir = g_variant_get_int32 (param);
+
+  if (self->last_focus)
+    gb_view_grid_focus_neighbor (self, dir, self->last_focus);
+}
+
+static void
 gb_view_grid_stack_empty (GbViewGrid  *self,
                           GbViewStack *stack)
 {
@@ -734,6 +750,10 @@ gb_view_grid_class_init (GbViewGridClass *klass)
 static void
 gb_view_grid_init (GbViewGrid *self)
 {
+  g_autoptr(GSimpleActionGroup) actions = NULL;
+  static const GActionEntry entries[] = {
+    { "focus-neighbor", gb_view_grid_focus_neighbor_action, "i" },
+  };
   GbViewStack *stack;
   GtkPaned *paned;
 
@@ -746,6 +766,10 @@ gb_view_grid_init (GbViewGrid *self)
                                      NULL);
 
   gtk_container_add (GTK_CONTAINER (self), GTK_WIDGET (paned));
+
+  actions = g_simple_action_group_new ();
+  g_action_map_add_action_entries (G_ACTION_MAP (actions), entries, G_N_ELEMENTS (entries), self);
+  gtk_widget_insert_action_group (GTK_WIDGET (self), "view-grid", G_ACTION_GROUP (actions));
 }
 
 GType
diff --git a/src/views/gb-view-stack.c b/src/views/gb-view-stack.c
index 3e70b9d..dd7f3a6 100644
--- a/src/views/gb-view-stack.c
+++ b/src/views/gb-view-stack.c
@@ -118,6 +118,19 @@ gb_view_stack__notify_visible_child (GbViewStack *self,
 }
 
 static void
+gb_view_stack_grab_focus (GtkWidget *widget)
+{
+  GbViewStack *self = (GbViewStack *)widget;
+  GtkWidget *visible_child;
+
+  g_assert (GB_IS_VIEW_STACK (self));
+
+  visible_child = gtk_stack_get_visible_child (self->stack);
+  if (visible_child)
+    gtk_widget_grab_focus (visible_child);
+}
+
+static void
 gb_view_stack_constructed (GObject *object)
 {
   GbViewStack *self = (GbViewStack *)object;
@@ -181,6 +194,7 @@ static void
 gb_view_stack_class_init (GbViewStackClass *klass)
 {
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
   GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
 
   object_class->constructed = gb_view_stack_constructed;
@@ -188,6 +202,8 @@ gb_view_stack_class_init (GbViewStackClass *klass)
   object_class->get_property = gb_view_stack_get_property;
   object_class->set_property = gb_view_stack_set_property;
 
+  widget_class->grab_focus = gb_view_stack_grab_focus;
+
   container_class->add = gb_view_stack_add;
   container_class->remove = gb_view_stack_real_remove;