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Code Issues Projects Releases Packages Wiki Activity Actions 9

LibWeb: Make handle_mousewheel wheel delta use pixels

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Bastiaan van der Plaat 2023-08-14 09:44:31 +02:00 • committed by Andrew Kaster
commit 0facfd3257
Notes: sideshowbarker 2024-07-17 08:43:11 +09:00
3 changed files with 9 additions and 8 deletions
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4
Ladybird/Qt/WebContentView.cpp
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@ -285,10 +285,10 @@ void WebContentView::wheelEvent(QWheelEvent* event)
auto num_degrees = -event->angleDelta();
float delta_x = -num_degrees.x() / 120;
float delta_y = num_degrees.y() / 120;
// Note: This does not use the QScrollBar's step size as LibWeb multiples this by a step size internally.
auto step_x = delta_x * QApplication::wheelScrollLines() * devicePixelRatio();
auto step_y = delta_y * QApplication::wheelScrollLines() * devicePixelRatio();
client().async_mouse_wheel(to_content_position(position), button, buttons, modifiers, step_x, step_y);
constexpr int scroll_step_size = 24;
client().async_mouse_wheel(to_content_position(position), button, buttons, modifiers, step_x * scroll_step_size, step_y * scroll_step_size);
event->accept();
return;
}