69 lines
1.6 KiB
C++
69 lines
1.6 KiB
C++
// Aseprite UI Library
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// Copyright (C) 2020 Igara Studio S.A.
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// Copyright (C) 2001-2016 David Capello
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//
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// This file is released under the terms of the MIT license.
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// Read LICENSE.txt for more information.
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#ifndef UI_SLIDER_H_INCLUDED
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#define UI_SLIDER_H_INCLUDED
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#pragma once
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#include "obs/signal.h"
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#include "ui/widget.h"
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namespace ui {
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class SliderDelegate {
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public:
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virtual ~SliderDelegate() { }
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virtual std::string onGetTextFromValue(int value) = 0;
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virtual int onGetValueFromText(const std::string& text) = 0;
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};
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class Slider : public Widget {
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public:
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Slider(int min, int max, int value, SliderDelegate* delegate = nullptr);
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int getMinValue() const { return m_min; }
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int getMaxValue() const { return m_max; }
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int getValue() const { return m_value; }
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void setRange(int min, int max);
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void setValue(int value);
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bool isReadOnly() const { return m_readOnly; }
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void setReadOnly(bool readOnly) { m_readOnly = readOnly; }
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void getSliderThemeInfo(int* min, int* max, int* value) const;
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std::string convertValueToText(int value) const;
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int convertTextToValue(const std::string& text) const;
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// Signals
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obs::signal<void()> Change;
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obs::signal<void()> SliderReleased;
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protected:
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// Events
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bool onProcessMessage(Message* msg) override;
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void onPaint(PaintEvent& ev) override;
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// New events
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virtual void onChange();
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virtual void onSliderReleased();
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private:
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void setupSliderCursor();
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int m_min;
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int m_max;
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int m_value;
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bool m_readOnly;
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SliderDelegate* m_delegate;
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};
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} // namespace ui
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#endif
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