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https://github.com/SerenityOS/serenity
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79 lines
2 KiB
C++
79 lines
2 KiB
C++
#pragma once
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#include "Event.h"
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#include "Object.h"
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#include "Rect.h"
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#include "Color.h"
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#include <AK/String.h>
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class Window;
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class Widget : public Object {
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public:
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explicit Widget(Widget* parent = nullptr);
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virtual ~Widget();
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virtual void event(Event&);
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virtual void onPaint(PaintEvent&);
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virtual void onShow(ShowEvent&);
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virtual void onHide(HideEvent&);
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virtual void onKeyDown(KeyEvent&);
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virtual void onKeyUp(KeyEvent&);
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virtual void onMouseMove(MouseEvent&);
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virtual void onMouseDown(MouseEvent&);
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virtual void onMouseUp(MouseEvent&);
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Rect rect() const { return m_rect; }
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int x() const { return rect().x(); }
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int y() const { return rect().y(); }
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int width() const { return rect().width(); }
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int height() const { return rect().height(); }
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void update();
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struct HitTestResult {
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Widget* widget { nullptr };
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int localX { 0 };
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int localY { 0 };
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};
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HitTestResult hitTest(int x, int y);
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virtual const char* className() const override { return "Widget"; }
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void setRect(const Rect&);
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Color backgroundColor() const { return m_backgroundColor; }
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Color foregroundColor() const { return m_foregroundColor; }
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void setBackgroundColor(Color color) { m_backgroundColor = color; }
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void setForegroundColor(Color color) { m_foregroundColor = color; }
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Window* window()
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{
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if (auto* pw = parentWidget())
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return pw->window();
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return m_window;
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}
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const Window* window() const
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{
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if (auto* pw = parentWidget())
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return pw->window();
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return m_window;
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}
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void setWindow(Window*);
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Widget* parentWidget() { return static_cast<Widget*>(parent()); }
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const Widget* parentWidget() const { return static_cast<const Widget*>(parent()); }
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private:
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Window* m_window { nullptr };
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Rect m_rect;
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Color m_backgroundColor;
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Color m_foregroundColor;
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bool m_hasPendingPaintEvent { false };
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};
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