RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 04:17:35 +00:00
Code Issues Activity Actions

Userland: Add horizontal mouse scroll support

Browse source
This commit is contained in:
Dmitry Petrov 2021-12-13 23:22:28 +01:00 • committed by Andreas Kling
parent d61cc47055
commit 1662213737
43 changed files with 112 additions and 84 deletions
Download patch file Download diff file Expand all files Collapse all files

24
Userland/Libraries/LibGUI/AbstractScrollableWidget.cpp
View file

@ -47,11 +47,26 @@ void AbstractScrollableWidget::handle_wheel_event(MouseEvent& event, Widget& eve
event.ignore();
return;
}
// FIXME: The wheel delta multiplier should probably come from... somewhere?
int wheel_delta_x { 0 };
bool vertical_scroll_hijacked { false };
if (event.shift() || &event_source == m_horizontal_scrollbar.ptr()) {
horizontal_scrollbar().increase_slider_by(event.wheel_delta() * 60);
} else {
vertical_scrollbar().increase_slider_by(event.wheel_delta() * 20);
wheel_delta_x = event.wheel_delta_y();
vertical_scroll_hijacked = true;
}
if (event.wheel_delta_x() != 0) {
wheel_delta_x = event.wheel_delta_x();
}
if (wheel_delta_x != 0) {
// FIXME: The wheel delta multiplier should probably come from... somewhere?
horizontal_scrollbar().increase_slider_by(wheel_delta_x * 60);
}
if (!vertical_scroll_hijacked && event.wheel_delta_y() != 0) {
vertical_scrollbar().increase_slider_by(event.wheel_delta_y() * 20);
}
}
@ -283,5 +298,4 @@ Gfx::IntPoint AbstractScrollableWidget::to_widget_position(const Gfx::IntPoint&
widget_position.translate_by(frame_thickness(), frame_thickness());
return widget_position;
}
}