first commit

widgets/devicestatuswidget.h

@@ -0,0 +1,40 @@
+#ifndef DEVICESTATUSWIDGET_H
+#define DEVICESTATUSWIDGET_H
+
+#include <QWidget>
+#include <QLabel>
+#include <QVector>
+
+struct ChannelStatus
+{
+  QString name;
+  bool connected;
+  QString type; // input, output
+};
+
+class DeviceStatusWidget : public QWidget
+{
+  Q_OBJECT
+
+public:
+  explicit DeviceStatusWidget(QWidget *parent = nullptr);
+  ~DeviceStatusWidget();
+
+  void setChannelStatus(int channel, bool connected);
+  void updateChannels(const QVector<ChannelStatus> &channels);
+
+protected:
+  void paintEvent(QPaintEvent *event) override;
+  void resizeEvent(QResizeEvent *event) override;
+
+private:
+  void setupUI();
+  void drawCableDiagram(QPainter &painter);
+  void drawChannelIndicator(QPainter &painter, int x, int y,
+                            const QString &label, bool connected);
+
+  QVector<ChannelStatus> m_channels;
+  QVector<QLabel *> m_channelLabels;
+};
+
+#endif // DEVICESTATUSWIDGET_H