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LibWeb: Only scroll BlockBox on wheel event if overflow==scroll
We implement this by adding a BlockBox::is_scrollable() helper, and then ignoring wheel events for non-scrollable boxes. Thanks to FireFox317 for pointing this out! :^)
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3 changed files with 11 additions and 0 deletions
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@ -321,6 +321,8 @@ void Node::handle_mousemove(Badge<EventHandler>, const Gfx::IntPoint&, unsigned,
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void Node::handle_mousewheel(Badge<EventHandler>, const Gfx::IntPoint&, unsigned, unsigned, int wheel_delta)
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{
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if (auto* containing_block = this->containing_block()) {
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if (!containing_block->is_scrollable())
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return;
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auto new_offset = containing_block->scroll_offset();
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new_offset.move_by(0, wheel_delta);
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containing_block->set_scroll_offset(new_offset);
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