ES-DE/es-core/src/components/SliderComponent.h

58 lines
1.4 KiB
C++

// SPDX-License-Identifier: MIT
//
// EmulationStation Desktop Edition
// SliderComponent.h
//
// Slider to set value in a predefined range.
//
#ifndef ES_CORE_COMPONENTS_SLIDER_COMPONENT_H
#define ES_CORE_COMPONENTS_SLIDER_COMPONENT_H
#include "GuiComponent.h"
#include "components/ImageComponent.h"
class Font;
class TextCache;
// Used to display/edit a value between some min and max values.
class SliderComponent : public GuiComponent
{
public:
using GuiComponent::getValue;
using GuiComponent::setValue;
// Minimum value (far left of the slider), maximum value (far right of the slider),
// increment size (how much pressing L/R moves by), unit to display (optional).
SliderComponent(
Window* window, float min, float max, float increment, const std::string& suffix = "");
void setValue(float value);
float getValue() { return mValue; }
bool input(InputConfig* config, Input input) override;
void update(int deltaTime) override;
void render(const glm::mat4& parentTrans) override;
void onSizeChanged() override;
virtual std::vector<HelpPrompt> getHelpPrompts() override;
private:
void onValueChanged();
float mMin, mMax;
float mValue;
float mSingleIncrement;
float mMoveRate;
int mMoveAccumulator;
ImageComponent mKnob;
std::string mSuffix;
std::shared_ptr<Font> mFont;
std::shared_ptr<TextCache> mValueCache;
};
#endif // ES_CORE_COMPONENTS_SLIDER_COMPONENT_H