/* * Copyright (c) 2020, Andreas Kling * Copyright (c) 2022, the SerenityOS developers. * * SPDX-License-Identifier: BSD-2-Clause */ #pragma once #include namespace GUI { class OpacitySlider : public AbstractSlider { C_OBJECT(OpacitySlider); 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; virtual void mouseup_event(MouseEvent&) override; virtual void mousewheel_event(MouseEvent&) override; private: Gfx::IntRect frame_inner_rect() const; virtual Optional calculated_min_size() const override; virtual Optional calculated_preferred_size() const override; int value_at(Gfx::IntPoint) const; 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) { } }; }