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PixelPaint: Implement automatic scrolling in LayerListWidget

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The previous implementation of automatic scrolling in LayerListWidget
relied on mousemove events to perform the scrolling, which didn't
produce the expected behavior. Instead use the new auto scroll timer.
This commit is contained in:
Marcus Nilsson 2021-09-16 19:05:47 +02:00 • committed by Andreas Kling
parent eec411c508
commit dc9b18da22
2 changed files with 46 additions and 5 deletions
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3
Userland/Applications/PixelPaint/LayerListWidget.h
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@ -45,6 +45,7 @@ private:
virtual void image_did_modify_layer_properties(size_t) override;
virtual void image_did_modify_layer_bitmap(size_t) override;
virtual void image_did_modify_layer_stack() override;
virtual void on_automatic_scrolling_timer_fired() override;
void rebuild_gadgets();
void relayout_gadgets();
@ -72,6 +73,8 @@ private:
Optional<size_t> m_moving_gadget_index;
Gfx::IntPoint m_moving_event_origin;
Gfx::IntPoint m_automatic_scroll_delta;
size_t m_selected_gadget_index { 0 };
};