mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-23 08:00:20 +00:00
108 lines
3.3 KiB
C++
108 lines
3.3 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <LibGUI/AbstractSlider.h>
|
|
|
|
namespace GUI {
|
|
|
|
class Slider : public AbstractSlider {
|
|
C_OBJECT(Slider);
|
|
|
|
public:
|
|
enum class KnobSizeMode {
|
|
Fixed,
|
|
Proportional,
|
|
};
|
|
|
|
virtual ~Slider() override;
|
|
|
|
void set_knob_size_mode(KnobSizeMode mode) { m_knob_size_mode = mode; }
|
|
KnobSizeMode knob_size_mode() const { return m_knob_size_mode; }
|
|
|
|
int track_size() const { return 2; }
|
|
int knob_fixed_primary_size() const { return 8; }
|
|
int knob_secondary_size() const { return 20; }
|
|
|
|
bool knob_dragging() const { return m_dragging; }
|
|
Gfx::IntRect knob_rect() const;
|
|
|
|
Gfx::IntRect inner_rect() const
|
|
{
|
|
if (orientation() == Orientation::Horizontal)
|
|
return rect().shrunken(20, 0);
|
|
return rect().shrunken(0, 20);
|
|
}
|
|
|
|
protected:
|
|
explicit Slider(Orientation = Orientation::Vertical);
|
|
|
|
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;
|
|
virtual void leave_event(Core::Event&) override;
|
|
virtual void change_event(Event&) override;
|
|
|
|
private:
|
|
void set_knob_hovered(bool);
|
|
|
|
bool m_knob_hovered { false };
|
|
bool m_dragging { false };
|
|
int m_drag_origin_value { 0 };
|
|
Gfx::IntPoint m_drag_origin;
|
|
KnobSizeMode m_knob_size_mode { KnobSizeMode::Fixed };
|
|
};
|
|
|
|
class VerticalSlider final : public Slider {
|
|
C_OBJECT(VerticalSlider);
|
|
|
|
public:
|
|
virtual ~VerticalSlider() override { }
|
|
|
|
private:
|
|
VerticalSlider()
|
|
: Slider(Orientation::Vertical)
|
|
{
|
|
}
|
|
};
|
|
|
|
class HorizontalSlider final : public Slider {
|
|
C_OBJECT(HorizontalSlider);
|
|
|
|
public:
|
|
virtual ~HorizontalSlider() override { }
|
|
|
|
private:
|
|
HorizontalSlider()
|
|
: Slider(Orientation::Horizontal)
|
|
{
|
|
}
|
|
};
|
|
|
|
}
|