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LibGUI: Add ValueSlider widget

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ValueSlider is a more generalized version of OpacitySlider when we need
a slider with values displayed. It will always show the current value
with a user defined suffix.
This commit is contained in:
Marcus Nilsson 2021-08-04 00:56:21 +02:00 • committed by Andreas Kling
parent 2cd8b21974
commit 07ad64da8c
5 changed files with 258 additions and 1 deletions
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53
Userland/Libraries/LibGUI/ValueSlider.h Normal file
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/*
* Copyright (c) 2021, Marcus Nilsson <brainbomb@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGUI/AbstractSlider.h>
namespace GUI {
class ValueSlider : public AbstractSlider {
C_OBJECT(ValueSlider);
public:
enum class KnobStyle {
Wide,
Thin,
};
virtual ~ValueSlider() override;
void set_suffix(String suffix) { m_suffix = move(suffix); }
void set_knob_style(KnobStyle knobstyle) { m_knob_style = knobstyle; }
virtual void set_value(int value) 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;
virtual void leave_event(Core::Event&) override;
private:
explicit ValueSlider(Gfx::Orientation = Gfx::Orientation::Horizontal, String suffix = "");
String formatted_value() const;
int value_at(const Gfx::IntPoint& position) const;
Gfx::IntRect bar_rect() const;
Gfx::IntRect knob_rect() const;
String m_suffix {};
Orientation m_orientation { Orientation::Horizontal };
KnobStyle m_knob_style { KnobStyle::Thin };
RefPtr<GUI::TextBox> m_textbox;
bool m_dragging { false };
bool m_hovered { false };
};
}