mirror of
https://github.com/RGBCube/serenity
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f828bf6479
This patch adds a base color to OpacitySlider which will be used to render the alpha gradient.
71 lines
1.6 KiB
C++
71 lines
1.6 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2022, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibGUI/AbstractSlider.h>
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namespace GUI {
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class OpacitySlider : public AbstractSlider {
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C_OBJECT(OpacitySlider);
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public:
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virtual ~OpacitySlider() override = default;
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void set_base_color(Gfx::Color);
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Gfx::Color base_color() { return m_base_color; }
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protected:
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explicit OpacitySlider(Gfx::Orientation);
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virtual void paint_event(PaintEvent&) override;
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virtual void mousedown_event(MouseEvent&) override;
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virtual void mousemove_event(MouseEvent&) override;
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virtual void mouseup_event(MouseEvent&) override;
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virtual void mousewheel_event(MouseEvent&) override;
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private:
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Gfx::IntRect frame_inner_rect() const;
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Gfx::Color m_base_color { 0, 0, 0 };
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virtual Optional<UISize> calculated_min_size() const override;
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virtual Optional<UISize> calculated_preferred_size() const override;
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int value_at(Gfx::IntPoint) const;
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bool m_dragging { false };
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};
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class VerticalOpacitySlider final : public OpacitySlider {
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C_OBJECT(VerticalOpacitySlider);
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public:
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virtual ~VerticalOpacitySlider() override = default;
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private:
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VerticalOpacitySlider()
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: OpacitySlider(Orientation::Vertical)
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{
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}
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};
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class HorizontalOpacitySlider final : public OpacitySlider {
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C_OBJECT(HorizontalOpacitySlider);
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public:
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virtual ~HorizontalOpacitySlider() override = default;
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private:
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HorizontalOpacitySlider()
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: OpacitySlider(Orientation::Horizontal)
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{
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}
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};
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}
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