fe3b846ac8
https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules "The compiler is more likely to get the default semantics right and you cannot implement these functions better than the compiler."
37 lines
865 B
C++
37 lines
865 B
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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protected:
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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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explicit OpacitySlider(Gfx::Orientation = Gfx::Orientation::Horizontal);
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Gfx::IntRect frame_inner_rect() const;
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int value_at(const Gfx::IntPoint&) const;
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bool m_dragging { false };
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};
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}
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