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#pragma once
#include "Event.h"
#include "Object.h"
#include "Rect.h"
#include "Color.h"
#include <AK/String.h>
#include <functional>
class Window;
class Widget : public Object {
public:
explicit Widget(Widget* parent = nullptr);
virtual ~Widget();
virtual void event(Event&);
virtual void paintEvent(PaintEvent&);
virtual void showEvent(ShowEvent&);
virtual void hideEvent(HideEvent&);
virtual void keyDownEvent(KeyEvent&);
virtual void keyUpEvent(KeyEvent&);
virtual void mouseMoveEvent(MouseEvent&);
virtual void mouseDownEvent(MouseEvent&);
virtual void mouseUpEvent(MouseEvent&);
Rect relativeRect() const { return m_relativeRect; }
Point relativePosition() const { return m_relativeRect.location(); }
int x() const { return m_relativeRect.x(); }
int y() const { return m_relativeRect.y(); }
int width() const { return m_relativeRect.width(); }
int height() const { return m_relativeRect.height(); }
Rect rect() const { return { 0, 0, width(), height() }; }
void update();
void repaint(const Rect&);
bool isFocused() const;
void setFocus(bool);
struct HitTestResult {
Widget* widget { nullptr };
int localX { 0 };
int localY { 0 };
};
HitTestResult hitTest(int x, int y);
virtual const char* className() const override { return "Widget"; }
void setWindowRelativeRect(const Rect&);
Color backgroundColor() const { return m_backgroundColor; }
Color foregroundColor() const { return m_foregroundColor; }
void setBackgroundColor(Color color) { m_backgroundColor = color; }
void setForegroundColor(Color color) { m_foregroundColor = color; }
Window* window()
{
if (auto* pw = parentWidget())
return pw->window();
return m_window;
}
const Window* window() const
{
if (auto* pw = parentWidget())
return pw->window();
return m_window;
}
void setWindow(Window*);
Widget* parentWidget() { return static_cast<Widget*>(parent()); }
const Widget* parentWidget() const { return static_cast<const Widget*>(parent()); }
void setFillWithBackgroundColor(bool b) { m_fillWithBackgroundColor = b; }
bool fillWithBackgroundColor() const { return m_fillWithBackgroundColor; }
private:
Window* m_window { nullptr };
Rect m_relativeRect;
Color m_backgroundColor;
Color m_foregroundColor;
bool m_hasPendingPaintEvent { false };
bool m_fillWithBackgroundColor { false };
};
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