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LibWeb: Move mouse wheel handling from Paintable to PaintableBox
It is only PaintableBox that can have scrollable overflow so it doesn't make sense to have handle_mousewheel() implementation in Paintable. Also new implementation of handle_mousewheel() takes in account overflow limits from scrollable_overflow_rect().
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3 changed files with 10 additions and 17 deletions
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@ -34,19 +34,8 @@ Paintable::DispatchEventOfSameName Paintable::handle_mousemove(Badge<EventHandle
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return DispatchEventOfSameName::Yes;
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}
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bool Paintable::handle_mousewheel(Badge<EventHandler>, CSSPixelPoint, unsigned, unsigned, int wheel_delta_x, int wheel_delta_y)
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bool Paintable::handle_mousewheel(Badge<EventHandler>, CSSPixelPoint, unsigned, unsigned, int, int)
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{
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if (auto const* containing_block = this->containing_block()) {
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if (!containing_block->is_scrollable())
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return false;
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auto new_offset = containing_block->scroll_offset();
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new_offset.translate_by(wheel_delta_x, wheel_delta_y);
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// FIXME: This const_cast is gross.
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// FIXME: Scroll offset shouldn't live in the layout tree.
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const_cast<Layout::Box*>(containing_block)->set_scroll_offset(new_offset);
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return true;
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}
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return false;
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}
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