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#pragma once
#include "widget.h"
#include "image.h"
#include "notifier.h"
namespace GUI {
class ScrollBar : public Widget {
friend class ListBoxBasic;
public:
ScrollBar(Widget *parent);
void setRange(int range);
int range();
void setMaximum(int max);
int maximum();
void addValue(int delta);
void setValue(int value);
int value();
Notifier<int> valueChangeNotifier;
protected:
bool catchMouse() override { return true; }
void scrollEvent(ScrollEvent* scrollEvent) override;
void repaintEvent(RepaintEvent* repaintEvent) override;
void buttonEvent(ButtonEvent* buttonEvent) override;
void mouseMoveEvent(MouseMoveEvent* mouseMoveEvent) override;
private:
int maxValue;
int currentValue;
int rangeValue;
int yOffset;
int valueOffset;
bool dragging;
Image bg_img;
};
}
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