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Userland: Add horizontal mouse scroll support
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43 changed files with 112 additions and 84 deletions
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@ -316,8 +316,8 @@ void TreeMapWidget::doubleclick_event(GUI::MouseEvent& event)
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void TreeMapWidget::mousewheel_event(GUI::MouseEvent& event)
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{
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int delta = event.wheel_delta();
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// FIXME: The wheel_delta is premultiplied in the window server, we actually want a raw value here.
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int delta = event.wheel_delta_y();
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// FIXME: The wheel_delta_y is premultiplied in the window server, we actually want a raw value here.
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int step_size = GUI::WindowServerConnection::the().get_scroll_step_size();
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if (delta > 0) {
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size_t step_back = delta / step_size;
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