RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-30 22:48:11 +00:00
Code Issues Activity Actions

LibGUI: Add mouse wheel event and step property to Slider

Browse source
This commit is contained in:
Tibor Nagy 2020-02-16 15:12:12 +01:00 • committed by Andreas Kling
parent 69bb0c0246
commit c7f549ba19
2 changed files with 17 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

13
Libraries/LibGUI/Slider.cpp
View file

@ -167,6 +167,19 @@ void Slider::mouseup_event(MouseEvent& event)
return Widget::mouseup_event(event); return Widget::mouseup_event(event);
} }
void Slider::mousewheel_event(MouseEvent& event)
{
if (!is_enabled())
return;
if (orientation() == Orientation::Horizontal)
set_value(value() - event.wheel_delta() * m_step);
else
set_value(value() + event.wheel_delta() * m_step);
Widget::mousewheel_event(event);
}
void Slider::leave_event(Core::Event& event) void Slider::leave_event(Core::Event& event)
{ {
if (!is_enabled()) if (!is_enabled())

4
Libraries/LibGUI/Slider.h
View file

@ -45,12 +45,14 @@ public:
int value() const { return m_value; } int value() const { return m_value; }
int min() const { return m_min; } int min() const { return m_min; }
int max() const { return m_max; } int max() const { return m_max; }
int step() const { return m_step; }
void set_range(int min, int max); void set_range(int min, int max);
void set_value(int); void set_value(int);
void set_min(int min) { set_range(min, max()); } void set_min(int min) { set_range(min, max()); }
void set_max(int max) { set_range(min(), max); } void set_max(int max) { set_range(min(), max); }
void set_step(int step) { m_step = step; }
void set_knob_size_mode(KnobSizeMode mode) { m_knob_size_mode = mode; } void set_knob_size_mode(KnobSizeMode mode) { m_knob_size_mode = mode; }
KnobSizeMode knob_size_mode() const { return m_knob_size_mode; } KnobSizeMode knob_size_mode() const { return m_knob_size_mode; }
@ -79,6 +81,7 @@ protected:
virtual void mousedown_event(MouseEvent&) override; virtual void mousedown_event(MouseEvent&) override;
virtual void mousemove_event(MouseEvent&) override; virtual void mousemove_event(MouseEvent&) override;
virtual void mouseup_event(MouseEvent&) override; virtual void mouseup_event(MouseEvent&) override;
virtual void mousewheel_event(MouseEvent&) override;
virtual void leave_event(Core::Event&) override; virtual void leave_event(Core::Event&) override;
virtual void change_event(Event&) override; virtual void change_event(Event&) override;
@ -88,6 +91,7 @@ private:
int m_value { 0 }; int m_value { 0 };
int m_min { 0 }; int m_min { 0 };
int m_max { 100 }; int m_max { 100 };
int m_step { 1 };
bool m_knob_hovered { false }; bool m_knob_hovered { false };
bool m_dragging { false }; bool m_dragging { false };
int m_drag_origin_value { 0 }; int m_drag_origin_value { 0 };