[gnome-builder/editor-layout] add scroll up/down commands

[Christian Hergert <chergert src gnome org>]

commit d87b02c33eed22882b663834f1f26b005a4f9b2b
Author: Christian Hergert <christian hergert me>
Date:   Sun Nov 30 02:48:46 2014 -0800

    add scroll up/down commands

 src/editor/gb-editor-workspace.c |   28 ++++++++++++++++++++++++++++
 1 files changed, 28 insertions(+), 0 deletions(-)
---
diff --git a/src/editor/gb-editor-workspace.c b/src/editor/gb-editor-workspace.c
index 46cd3c3..3f3f81b 100644
--- a/src/editor/gb-editor-workspace.c
+++ b/src/editor/gb-editor-workspace.c
@@ -78,6 +78,32 @@ save_as_tab (GSimpleAction *action,
 }
 
 static void
+scroll_up_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_scroll_up (GB_EDITOR_TAB (tab));
+}
+
+static void
+scroll_down_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_scroll_down (GB_EDITOR_TAB (tab));
+}
+
+static void
 new_tab (GSimpleAction *action,
          GVariant      *parameter,
          gpointer       user_data)
@@ -150,6 +176,8 @@ gb_editor_workspace_init (GbEditorWorkspace *workspace)
       { "new-tab", new_tab },
       { "save", save_tab },
       { "save-as", save_as_tab },
+      { "scroll-up", scroll_up_tab },
+      { "scroll-down", scroll_down_tab },
     };
 
   workspace->priv = gb_editor_workspace_get_instance_private (workspace);