[gnome-builder] editor: fix side-by-side loading of documents

[Christian Hergert <chergert src gnome org>]

commit 1330012970584bddfae72f031e48a87ff7295491
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jul 5 06:02:33 2017 -0700

    editor: fix side-by-side loading of documents

 libide/editor/ide-editor-perspective.c     |   58 ++++++++++++++++++++++++----
 libide/editor/ide-editor-perspective.h     |    2 +
 libide/editor/ide-editor-workbench-addin.c |    2 +-
 3 files changed, 53 insertions(+), 9 deletions(-)
---
diff --git a/libide/editor/ide-editor-perspective.c b/libide/editor/ide-editor-perspective.c
index 5027d27..7ee7e67 100644
--- a/libide/editor/ide-editor-perspective.c
+++ b/libide/editor/ide-editor-perspective.c
@@ -269,31 +269,73 @@ locate_view_for_buffer (GtkWidget *widget,
     }
 }
 
-void
-ide_editor_perspective_focus_buffer_in_current_stack (IdeEditorPerspective *self,
-                                                      IdeBuffer            *buffer)
+static gboolean
+ide_editor_perspective_focus_if_found (IdeEditorPerspective *self,
+                                       IdeBuffer            *buffer,
+                                       gboolean              any_stack)
 {
   IdeLayoutStack *stack;
-  IdeEditorView *view;
   struct {
     IdeBuffer     *buffer;
     IdeLayoutView *view;
   } lookup = { buffer };
 
-  g_return_if_fail (IDE_IS_EDITOR_PERSPECTIVE (self));
-  g_return_if_fail (IDE_IS_BUFFER (buffer));
+  g_return_val_if_fail (IDE_IS_EDITOR_PERSPECTIVE (self), FALSE);
+  g_return_val_if_fail (IDE_IS_BUFFER (buffer), FALSE);
 
   stack = ide_layout_grid_get_current_stack (self->grid);
 
-  ide_layout_stack_foreach_view (stack, locate_view_for_buffer, &lookup);
+  if (any_stack)
+    ide_layout_grid_foreach_view (self->grid, locate_view_for_buffer, &lookup);
+  else
+    ide_layout_stack_foreach_view (stack, locate_view_for_buffer, &lookup);
 
   if (lookup.view != NULL)
     {
+      stack = IDE_LAYOUT_STACK (gtk_widget_get_ancestor (GTK_WIDGET (lookup.view),
+                                                         IDE_TYPE_LAYOUT_STACK));
       ide_layout_stack_set_visible_child (stack, lookup.view);
       gtk_widget_grab_focus (GTK_WIDGET (lookup.view));
-      return;
+      return TRUE;
     }
 
+  return FALSE;
+}
+
+void
+ide_editor_perspective_focus_buffer (IdeEditorPerspective *self,
+                                     IdeBuffer            *buffer)
+{
+  IdeEditorView *view;
+
+  g_return_if_fail (IDE_IS_EDITOR_PERSPECTIVE (self));
+  g_return_if_fail (IDE_IS_BUFFER (buffer));
+
+  if (ide_editor_perspective_focus_if_found (self, buffer, TRUE))
+    return;
+
+  view = g_object_new (IDE_TYPE_EDITOR_VIEW,
+                       "buffer", buffer,
+                       "visible", TRUE,
+                       NULL);
+  gtk_container_add (GTK_CONTAINER (self->grid), GTK_WIDGET (view));
+}
+
+void
+ide_editor_perspective_focus_buffer_in_current_stack (IdeEditorPerspective *self,
+                                                      IdeBuffer            *buffer)
+{
+  IdeLayoutStack *stack;
+  IdeEditorView *view;
+
+  g_return_if_fail (IDE_IS_EDITOR_PERSPECTIVE (self));
+  g_return_if_fail (IDE_IS_BUFFER (buffer));
+
+  if (ide_editor_perspective_focus_if_found (self, buffer, FALSE))
+    return;
+
+  stack = ide_layout_grid_get_current_stack (self->grid);
+
   view = g_object_new (IDE_TYPE_EDITOR_VIEW,
                        "buffer", buffer,
                        "visible", TRUE,
diff --git a/libide/editor/ide-editor-perspective.h b/libide/editor/ide-editor-perspective.h
index c0ea205..bf63920 100644
--- a/libide/editor/ide-editor-perspective.h
+++ b/libide/editor/ide-editor-perspective.h
@@ -29,6 +29,8 @@ G_BEGIN_DECLS
 
 G_DECLARE_FINAL_TYPE (IdeEditorPerspective, ide_editor_perspective, IDE, EDITOR_PERSPECTIVE, IdeLayout)
 
+void              ide_editor_perspective_focus_buffer                  (IdeEditorPerspective *self,
+                                                                        IdeBuffer            *buffer);
 void              ide_editor_perspective_focus_buffer_in_current_stack (IdeEditorPerspective *self,
                                                                         IdeBuffer            *buffer);
 void              ide_editor_perspective_focus_location                (IdeEditorPerspective *self,
diff --git a/libide/editor/ide-editor-workbench-addin.c b/libide/editor/ide-editor-workbench-addin.c
index ace00ef..dd9e191 100644
--- a/libide/editor/ide-editor-workbench-addin.c
+++ b/libide/editor/ide-editor-workbench-addin.c
@@ -92,7 +92,7 @@ ide_editor_workbench_addin_on_load_buffer (IdeEditorWorkbenchAddin *self,
 
   IDE_TRACE_MSG ("Loading %s", ide_buffer_get_title (buffer));
 
-  ide_editor_perspective_focus_buffer_in_current_stack (self->perspective, buffer);
+  ide_editor_perspective_focus_buffer (self->perspective, buffer);
 }
 
 static void