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