65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
/*
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nanogui/slider.h -- Fractional slider widget with mouse control
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NanoGUI was developed by Wenzel Jakob <wenzel.jakob@epfl.ch>.
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The widget drawing code is based on the NanoVG demo application
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by Mikko Mononen.
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All rights reserved. Use of this source code is governed by a
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BSD-style license that can be found in the LICENSE.txt file.
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*/
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/** \file */
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#pragma once
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#include <nanogui/widget.h>
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NAMESPACE_BEGIN(nanogui)
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/**
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* \class Slider slider.h nanogui/slider.h
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*
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* \brief Fractional slider widget with mouse control.
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*/
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class NANOGUI_EXPORT Slider : public Widget {
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public:
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Slider(Widget *parent);
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float value() const { return mValue; }
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void setValue(float value) { mValue = value; }
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const Color &highlightColor() const { return mHighlightColor; }
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void setHighlightColor(const Color &highlightColor) { mHighlightColor = highlightColor; }
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std::pair<float, float> range() const { return mRange; }
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void setRange(std::pair<float, float> range) { mRange = range; }
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std::pair<float, float> highlightedRange() const { return mHighlightedRange; }
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void setHighlightedRange(std::pair<float, float> highlightedRange) { mHighlightedRange = highlightedRange; }
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std::function<void(float)> callback() const { return mCallback; }
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void setCallback(const std::function<void(float)> &callback) { mCallback = callback; }
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std::function<void(float)> finalCallback() const { return mFinalCallback; }
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void setFinalCallback(const std::function<void(float)> &callback) { mFinalCallback = callback; }
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virtual Vector2i preferredSize(NVGcontext *ctx) const override;
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virtual bool mouseDragEvent(const Vector2i &p, const Vector2i &rel, int button, int modifiers) override;
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virtual bool mouseButtonEvent(const Vector2i &p, int button, bool down, int modifiers) override;
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virtual void draw(NVGcontext* ctx) override;
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virtual void save(Serializer &s) const override;
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virtual bool load(Serializer &s) override;
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protected:
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float mValue;
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std::function<void(float)> mCallback;
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std::function<void(float)> mFinalCallback;
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std::pair<float, float> mRange;
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std::pair<float, float> mHighlightedRange;
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Color mHighlightColor;
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public:
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EIGEN_MAKE_ALIGNED_OPERATOR_NEW
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};
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NAMESPACE_END(nanogui)
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