BWindow* parameter. They set the newly created layout on the window, which saves
the API user to do that.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31118 a95241bf-73f2-0310-859d-f6bbb57e9c96
* The new builders are templatized and completely inline.
* They are easily nestable, which only worked for groups with the old approach.
* Added builder for split views.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31094 a95241bf-73f2-0310-859d-f6bbb57e9c96