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LibGUI: Implement calculated sizes for Slider

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FrHun 2023-02-10 01:08:13 +01:00 • committed by Sam Atkins
parent caf6dd5680
commit 6d79d932f9
2 changed files with 19 additions and 0 deletions
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16
Userland/Libraries/LibGUI/Slider.cpp
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@ -24,6 +24,8 @@ Slider::Slider(Orientation orientation)
{ KnobSizeMode::Fixed, "Fixed" },
{ KnobSizeMode::Proportional, "Proportional" });
REGISTER_BOOL_PROPERTY("jump_to_cursor", jump_to_cursor, set_jump_to_cursor);
set_preferred_size(SpecialDimension::Fit);
}
void Slider::paint_event(PaintEvent& event)
@ -199,4 +201,18 @@ void Slider::set_knob_hovered(bool hovered)
update(knob_rect());
}
Optional<UISize> Slider::calculated_min_size() const
{
if (orientation() == Gfx::Orientation::Vertical)
return { { knob_secondary_size(), knob_fixed_primary_size() * 2 + track_margin() * 2 } };
return { { knob_fixed_primary_size() * 2 + track_margin() * 2, knob_secondary_size() } };
}
Optional<UISize> Slider::calculated_preferred_size() const
{
if (orientation() == Gfx::Orientation::Vertical)
return { { SpecialDimension::Shrink, SpecialDimension::OpportunisticGrow } };
return { { SpecialDimension::OpportunisticGrow, SpecialDimension::Shrink } };
}
}

3
Userland/Libraries/LibGUI/Slider.h
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@ -46,6 +46,9 @@ public:
protected:
explicit Slider(Orientation = Orientation::Vertical);
virtual Optional<UISize> calculated_min_size() const override;
virtual Optional<UISize> calculated_preferred_size() const override;
virtual void paint_event(PaintEvent&) override;
void start_drag(Gfx::IntPoint);
virtual void mousedown_event(MouseEvent&) override;