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LibGUI: Improve IconView rubberband performance

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Rather than invalidating the entire window, which is very expensive on
the transparent desktop widget, just invalidate the areas that actually
need updating.
This commit is contained in:
Tom 2021-02-15 19:30:47 -07:00 • committed by Andreas Kling
parent cd0a1fa5b0
commit 6cdb657493
5 changed files with 30 additions and 6 deletions
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3
Userland/Libraries/LibGUI/AbstractView.h
View file

@ -171,6 +171,8 @@ protected:
void draw_item_text(Gfx::Painter&, const ModelIndex&, bool, const Gfx::IntRect&, const StringView&, const Gfx::Font&, Gfx::TextAlignment, Gfx::TextElision);
void set_suppress_update_on_selection_change(bool value) { m_suppress_update_on_selection_change = value; }
virtual void did_scroll() override;
void set_hovered_index(const ModelIndex&);
void activate(const ModelIndex&);
@ -215,6 +217,7 @@ private:
bool m_tab_key_navigation_enabled { false };
bool m_is_dragging { false };
bool m_draw_item_text_with_shadow { false };
bool m_suppress_update_on_selection_change { false };
};
}