RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 20:27:45 +00:00
Code Issues Activity Actions

LibGUI: Ignore scroll length multiplier in SpinBoxes & Sliders

Browse source 
Prevents discrete values from being skipped when using the mouse
wheel on SpinBoxes and proportional Sliders. Wheel delta can be
accelerated by holding Ctrl.
This commit is contained in:
thankyouverycool 2021-03-07 14:51:14 -05:00 • committed by Andreas Kling
parent f318ab6bed
commit bd34cdbbb3
2 changed files with 10 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

9
Userland/Libraries/LibGUI/Slider.cpp
View file

@ -144,14 +144,17 @@ void Slider::mouseup_event(MouseEvent& event)
void Slider::mousewheel_event(MouseEvent& event)
{
auto acceleration_modifier = step();
auto wheel_delta = event.wheel_delta();
if (event.modifiers() == KeyModifier::Mod_Ctrl && knob_size_mode() == KnobSizeMode::Fixed)
if (event.modifiers() == KeyModifier::Mod_Ctrl)
acceleration_modifier *= 6;
if (knob_size_mode() == KnobSizeMode::Proportional)
wheel_delta /= abs(wheel_delta);
if (orientation() == Orientation::Horizontal)
set_value(value() - event.wheel_delta() * acceleration_modifier);
set_value(value() - wheel_delta * acceleration_modifier);
else
set_value(value() + event.wheel_delta() * acceleration_modifier);
set_value(value() + wheel_delta * acceleration_modifier);
Widget::mousewheel_event(event);
}

5
Userland/Libraries/LibGUI/SpinBox.cpp
View file

@ -105,7 +105,10 @@ void SpinBox::set_range(int min, int max)
void SpinBox::mousewheel_event(MouseEvent& event)
{
set_value(m_value - event.wheel_delta());
auto wheel_delta = event.wheel_delta() / abs(event.wheel_delta());
if (event.modifiers() == KeyModifier::Mod_Ctrl)
wheel_delta *= 6;
set_value(m_value - wheel_delta);
}
void SpinBox::resize_event(ResizeEvent& event)