Milestone 5: deliver embedded RDP sessions and lifecycle hardening

src/rdp_display_widget.h

@@ -0,0 +1,50 @@
+#ifndef ORBITHUB_RDP_DISPLAY_WIDGET_H
+#define ORBITHUB_RDP_DISPLAY_WIDGET_H
+
+#include <QImage>
+#include <QWidget>
+
+class QKeyEvent;
+class QMouseEvent;
+class QPaintEvent;
+class QResizeEvent;
+class QWheelEvent;
+
+class RdpDisplayWidget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit RdpDisplayWidget(QWidget* parent = nullptr);
+
+    void setFrame(const QImage& frame);
+    void setRemoteDesktopSize(int width, int height);
+    void clearFrame();
+
+signals:
+    void keyInput(int key, quint32 nativeScanCode, const QString& text, bool pressed, int modifiers);
+    void mouseMoveInput(int x, int y);
+    void mouseButtonInput(int x, int y, int button, bool pressed);
+    void mouseWheelInput(int x, int y, int deltaX, int deltaY);
+    void viewportSizeChanged(int width, int height);
+
+protected:
+    void paintEvent(QPaintEvent* event) override;
+    void resizeEvent(QResizeEvent* event) override;
+    void keyPressEvent(QKeyEvent* event) override;
+    void keyReleaseEvent(QKeyEvent* event) override;
+    void mousePressEvent(QMouseEvent* event) override;
+    void mouseReleaseEvent(QMouseEvent* event) override;
+    void mouseMoveEvent(QMouseEvent* event) override;
+    void wheelEvent(QWheelEvent* event) override;
+
+private:
+    QImage m_frame;
+    QSize m_remoteSize;
+
+    QRectF renderRect() const;
+    QPoint mapToRemote(const QPointF& pos) const;
+    QSize effectiveRemoteSize() const;
+};
+
+#endif