[gnome-builder] keybindings: add <Control><Shift>K to switch between split panes

[Christian Hergert <chergert src gnome org>]

commit e6a448b35490c3c04a01dd0f74ef81963172f9fe
Author: Christian Hergert <christian hergert me>
Date:   Tue Dec 2 03:22:05 2014 -0800

    keybindings: add <Control><Shift>K to switch between split panes

 src/editor/gb-editor-tab.c            |   27 +++++++++++++++++++++++++++
 src/editor/gb-editor-tab.h            |    1 +
 src/editor/gb-editor-workspace.c      |   14 ++++++++++++++
 src/resources/keybindings/default.ini |    1 +
 4 files changed, 43 insertions(+), 0 deletions(-)
---
diff --git a/src/editor/gb-editor-tab.c b/src/editor/gb-editor-tab.c
index 70f7e55..8d57362 100644
--- a/src/editor/gb-editor-tab.c
+++ b/src/editor/gb-editor-tab.c
@@ -572,6 +572,33 @@ gb_editor_tab_reformat (GbEditorTab *tab)
   gb_editor_frame_reformat (frame);
 }
 
+void
+gb_editor_tab_switch_pane (GbEditorTab *tab)
+{
+  GbEditorFrame *last_frame;
+  GtkWidget *frame1;
+  GtkWidget *frame2;
+
+  ENTRY;
+
+  g_return_if_fail (GB_IS_EDITOR_TAB (tab));
+
+  frame1 = GTK_WIDGET (tab->priv->frame);
+  frame2 = gtk_paned_get_child2 (tab->priv->paned);
+
+  if (!frame2)
+    return;
+
+  last_frame = gb_editor_tab_get_last_frame (tab);
+
+  if (last_frame == (GbEditorFrame *)frame1)
+    gtk_widget_grab_focus (frame2);
+  else
+    gtk_widget_grab_focus (frame1);
+
+  EXIT;
+}
+
 static gboolean
 markdown_preview_title (GBinding     *binding,
                         const GValue *from_value,
diff --git a/src/editor/gb-editor-tab.h b/src/editor/gb-editor-tab.h
index 6013923..48c5848 100644
--- a/src/editor/gb-editor-tab.h
+++ b/src/editor/gb-editor-tab.h
@@ -60,6 +60,7 @@ void         gb_editor_tab_open_file         (GbEditorTab *tab,
 void         gb_editor_tab_scroll_up         (GbEditorTab *tab);
 void         gb_editor_tab_scroll_down       (GbEditorTab *tab);
 void         gb_editor_tab_toggle_split      (GbEditorTab *tab);
+void         gb_editor_tab_switch_pane       (GbEditorTab *tab);
 void         gb_editor_tab_find              (GbEditorTab *tab);
 void         gb_editor_tab_reformat          (GbEditorTab *tab);
 void         gb_editor_tab_scroll_to_line    (GbEditorTab *tab,
diff --git a/src/editor/gb-editor-workspace.c b/src/editor/gb-editor-workspace.c
index 45015a7..6858aa0 100644
--- a/src/editor/gb-editor-workspace.c
+++ b/src/editor/gb-editor-workspace.c
@@ -314,6 +314,19 @@ open_tab (GSimpleAction *action,
   gtk_widget_destroy (GTK_WIDGET (dialog));
 }
 
+static void
+switch_pane_tab (GSimpleAction *action,
+                 GVariant      *parameter,
+                 gpointer       user_data)
+{
+  GbEditorWorkspace *workspace = user_data;
+  GbTab *tab;
+
+  tab = gb_tab_grid_get_active (workspace->priv->tab_grid);
+  if (GB_IS_EDITOR_TAB (tab))
+    gb_editor_tab_switch_pane (GB_EDITOR_TAB (tab));
+}
+
 static GActionGroup *
 gb_editor_workspace_get_actions (GbWorkspace *workspace)
 {
@@ -380,6 +393,7 @@ gb_editor_workspace_init (GbEditorWorkspace *workspace)
       { "reformat", reformat_tab },
       { "preview", preview_tab },
       { "jump-to-doc", jump_to_doc_tab, "s" },
+      { "switch-pane", switch_pane_tab },
     };
 
   workspace->priv = gb_editor_workspace_get_instance_private (workspace);
diff --git a/src/resources/keybindings/default.ini b/src/resources/keybindings/default.ini
index 280b778..d27c623 100644
--- a/src/resources/keybindings/default.ini
+++ b/src/resources/keybindings/default.ini
@@ -29,6 +29,7 @@ preview = <Control><Alt>P
 scroll-up = <Control>Y
 scroll-down = <Control>E
 toggle-split = <Control><Shift>J
+switch-pane = <Control><Shift>K
 
 [tabs]
 next = <Control>J