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LibGUI: Teach GScrollableWidget how to hide unnecessary scrollbars

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This is now an opt-in mode enabled by calling:

    should_hide_unnecessary_scrollbars(true)

This patch enables the mode for GTreeView and GTableView. :^)
This commit is contained in:
Andreas Kling 2019-09-05 21:37:15 +02:00
parent fb39e46d3d
commit 7a906ab539
4 changed files with 25 additions and 2 deletions
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4
Libraries/LibGUI/GScrollableWidget.h
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@ -38,6 +38,9 @@ public:
int width_occupied_by_vertical_scrollbar() const;
int height_occupied_by_horizontal_scrollbar() const;
void set_should_hide_unnecessary_scrollbars(bool b) { m_should_hide_unnecessary_scrollbars = b; }
bool should_hide_unnecessary_scrollbars() const { return m_should_hide_unnecessary_scrollbars; }
protected:
explicit GScrollableWidget(GWidget* parent);
virtual void custom_layout() override;
@ -56,4 +59,5 @@ private:
Size m_content_size;
Size m_size_occupied_by_fixed_elements;
bool m_scrollbars_enabled { true };
bool m_should_hide_unnecessary_scrollbars { false };
};