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#pragma once
#include "guievent.h"
#include "pixelbuffer.h"
#include "notifier.h"
#include "layout.h"
#include <vector>
namespace GUI {
class Window;
class Widget : public Listener, public LayoutItem {
friend class Painter;
public:
Widget(Widget* parent);
virtual ~Widget();
virtual void show();
virtual void hide();
virtual void resize(int width, int height) override;
virtual void move(size_t x, size_t y) override;
virtual int x() override;
virtual int y() override;
virtual size_t width() override;
virtual size_t height() override;
virtual size_t windowX();
virtual size_t windowY();
virtual bool isFocusable() { return false; }
virtual bool catchMouse() { return false; }
void addChild(Widget* widget);
void removeChild(Widget* widget);
virtual void repaintEvent(RepaintEvent* repaintEvent) {}
virtual void mouseMoveEvent(MouseMoveEvent* mouseMoveEvent) {}
virtual void buttonEvent(ButtonEvent* buttonEvent) {}
virtual void scrollEvent(ScrollEvent* scrollEvent) {}
virtual void keyEvent(KeyEvent* keyEvent) {}
virtual void mouseLeaveEvent() {}
virtual void mouseEnterEvent() {}
Widget* find(int x, int y);
virtual Window* window();
std::vector<PixelBufferAlpha*> getPixelBuffers();
bool hasKeyboardFocus();
bool visible();
void setVisible(bool visible);
Notifier<int, int> sizeChangeNotifier;
protected:
void repaintChildren(RepaintEvent* repaintEvent);
PixelBufferAlpha pixbuf{0,0};
std::vector<Widget*> children;
Widget* parent = nullptr;
Window* _window = nullptr;
int _x{0};
int _y{0};
size_t _width{0};
size_t _height{0};
bool _visible = true;
};
}
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