ladybird/Userland/Libraries/LibGUI/OpacitySlider.h
Brian Gianforcaro 1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00

36 lines
805 B
C++

/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGUI/AbstractSlider.h>
namespace GUI {
class OpacitySlider : public AbstractSlider {
C_OBJECT(OpacitySlider);
public:
virtual ~OpacitySlider() override;
protected:
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:
explicit OpacitySlider(Gfx::Orientation = Gfx::Orientation::Horizontal);
Gfx::IntRect frame_inner_rect() const;
int value_at(const Gfx::IntPoint&) const;
bool m_dragging { false };
};
}