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3 Commits

Author SHA1 Message Date
Andreas Kling
1cb661ae69 GModelSelection: Add size() and a const overload of for_each_index() 2019-09-12 18:42:15 +02:00
Andreas Kling
b0f42ee672 GModelSelection: Add contains_row(int) and toggle(GModelIndex) 2019-09-07 19:33:58 +02:00
Andreas Kling
82559e211d LibGUI: Add GModelSelection to help implementing multiple-select views 
Each GAbstractView now has a GModelSelection backed by a simple
HashTable<GModelIndex>. When the selection changes somehow, the view
gets notified via the notify_selection_changed() callback.

In the future it will probably make sense to move to using some kind of
ranges as the internal representation instead.
 2019-09-07 19:21:07 +02:00