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LibGUI: Split OpacitySlider into vertical and horizontal helper classes

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This commit is contained in:
FrHun 2022-12-07 23:40:36 +01:00 • committed by Andreas Kling
parent 99624a8df4
commit 59028515c0
9 changed files with 56 additions and 11 deletions
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2
Userland/Libraries/LibGUI/Forward.h
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@ -33,6 +33,7 @@ class Frame;
class GroupBox;
class HeaderView;
class HorizontalBoxLayout;
class HorizontalOpacitySlider;
class HorizontalSlider;
class Icon;
class IconView;
@ -88,6 +89,7 @@ class TreeView;
class ValueSlider;
class Variant;
class VerticalBoxLayout;
class VerticalOpacitySlider;
class VerticalSlider;
class WMEvent;
class Widget;

20
Userland/Libraries/LibGUI/OpacitySlider.cpp
View file

@ -10,7 +10,8 @@
#include <LibGfx/Palette.h>
#include <LibGfx/StylePainter.h>
REGISTER_WIDGET(GUI, OpacitySlider)
REGISTER_WIDGET(GUI, HorizontalOpacitySlider)
REGISTER_WIDGET(GUI, VerticalOpacitySlider)
namespace GUI {
@ -20,7 +21,6 @@ OpacitySlider::OpacitySlider(Gfx::Orientation orientation)
set_min(0);
set_max(100);
set_value(100);
set_fixed_height(20);
}
Gfx::IntRect OpacitySlider::frame_inner_rect() const
@ -182,4 +182,20 @@ void OpacitySlider::mousewheel_event(MouseEvent& event)
decrease_slider_by(event.wheel_delta_y());
}
Optional<UISize> OpacitySlider::calculated_min_size() const
{
if (orientation() == Gfx::Orientation::Vertical)
return { { 20, 40 } };
else
return { { 40, 20 } };
}
Optional<UISize> OpacitySlider::calculated_preferred_size() const
{
if (orientation() == Gfx::Orientation::Vertical)
return { { SpecialDimension::Shrink, SpecialDimension::OpportunisticGrow } };
else
return { { SpecialDimension::OpportunisticGrow, SpecialDimension::Shrink } };
}
}

30
Userland/Libraries/LibGUI/OpacitySlider.h
View file

@ -18,6 +18,8 @@ public:
virtual ~OpacitySlider() override = default;
protected:
explicit OpacitySlider(Gfx::Orientation);
virtual void paint_event(PaintEvent&) override;
virtual void mousedown_event(MouseEvent&) override;
virtual void mousemove_event(MouseEvent&) override;
@ -25,8 +27,6 @@ protected:
virtual void mousewheel_event(MouseEvent&) override;
private:
explicit OpacitySlider(Gfx::Orientation = Gfx::Orientation::Horizontal);
Gfx::IntRect frame_inner_rect() const;
virtual Optional<UISize> calculated_min_size() const override;
@ -37,4 +37,30 @@ private:
bool m_dragging { false };
};
class VerticalOpacitySlider final : public OpacitySlider {
C_OBJECT(VerticalOpacitySlider);
public:
virtual ~VerticalOpacitySlider() override = default;
private:
VerticalOpacitySlider()
: OpacitySlider(Orientation::Vertical)
{
}
};
class HorizontalOpacitySlider final : public OpacitySlider {
C_OBJECT(HorizontalOpacitySlider);
public:
virtual ~HorizontalOpacitySlider() override = default;
private:
HorizontalOpacitySlider()
: OpacitySlider(Orientation::Horizontal)
{
}
};
}