56 lines
1.9 KiB
C++
Executable File
56 lines
1.9 KiB
C++
Executable File
// ----------------------------------------------------------------------------
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// - Open3D: www.open3d.org -
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// ----------------------------------------------------------------------------
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// Copyright (c) 2018-2023 www.open3d.org
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// SPDX-License-Identifier: MIT
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// ----------------------------------------------------------------------------
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#pragma once
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#include <functional>
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#include "open3d/visualization/gui/Widget.h"
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namespace open3d {
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namespace visualization {
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namespace gui {
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class Slider : public Widget {
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public:
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enum Type { INT, DOUBLE };
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/// The only difference between INT and DOUBLE is that INT increments by
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/// 1.0 and coerces value to whole numbers.
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explicit Slider(Type type);
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~Slider();
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/// Returns the value of the control as an integer
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int GetIntValue() const;
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/// Returns the value of the control as a double.
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double GetDoubleValue() const;
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/// Sets the value of the control. Will not call onValueChanged, but the
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/// value will be clamped to [min, max].
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void SetValue(double val);
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double GetMinimumValue() const;
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double GetMaximumValue() const;
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/// Sets the bounds for valid values of the widget. Values will be clamped
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/// to be within [minValue, maxValue].
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void SetLimits(double min_value, double max_value);
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Size CalcPreferredSize(const LayoutContext& theme,
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const Constraints& constraints) const override;
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DrawResult Draw(const DrawContext& context) override;
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/// Sets a function to call when the value changes because of user action.
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void SetOnValueChanged(std::function<void(double)> on_value_changed);
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private:
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struct Impl;
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std::unique_ptr<Impl> impl_;
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};
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} // namespace gui
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} // namespace visualization
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} // namespace open3d
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