introduce a model for tracking attached widgets

platform/qt/dmxwidget/CMakeLists.txt

@@ -1,6 +1,6 @@
 project(${PROJECT_NAME}-dmxwidget VERSION ${PROJECT_VERSION})
 
-find_package(Qt6 REQUIRED COMPONENTS SerialPort)
+find_package(Qt6 COMPONENTS SerialPort REQUIRED)
 
 add_library(${PROJECT_NAME} SHARED)
 add_library(LCP::Qt::DmxWidget ALIAS ${PROJECT_NAME})
@@ -8,8 +8,10 @@ add_library(LCP::Qt::DmxWidget ALIAS ${PROJECT_NAME})
 target_sources(${PROJECT_NAME}
     PUBLIC
         dmxwidget.h
+        widgetmodel.h
     PRIVATE
         dmxwidget.cpp
+        widgetmodel.cpp
     )
 
 target_link_libraries(${PROJECT_NAME}

platform/qt/dmxwidget/widgetmodel.cpp

@@ -0,0 +1,98 @@
+#include "widgetmodel.h"
+#include "qmetaobject.h"
+
+WidgetModel::WidgetModel(QObject *parent)
+    : QAbstractItemModel(parent)
+    , widgets_(DmxWidget::availableWidgets())
+{
+}
+
+QVariant WidgetModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    if (role == Qt::DisplayRole && orientation == Qt::Horizontal) {
+        switch (static_cast<Column>(section)) {
+        case PortName:
+            return tr("Port");
+        case Manufacturer:
+            return tr("Manufacturer");
+        case Description:
+            return tr("Description");
+        case SerialNumber:
+            return tr("Serial");
+        case FirmwareVersion:
+            return tr("Firmware");
+        case OperatingMode:
+            return tr("Mode");
+        default:
+            return QVariant();
+        }
+    }
+    return QVariant();
+}
+
+QModelIndex WidgetModel::index(int row, int column, const QModelIndex &parent) const
+{
+    if (parent.isValid() || row >= widgets_.size())
+        return QModelIndex();
+
+    return createIndex(row, column, widgets_.at(row).get());
+}
+
+QModelIndex WidgetModel::parent(const QModelIndex &index) const
+{
+    Q_UNUSED(index)
+    return QModelIndex();
+}
+
+int WidgetModel::rowCount(const QModelIndex &parent) const
+{
+    if (parent.isValid())
+        return 0;
+
+    return widgets_.size();
+}
+
+int WidgetModel::columnCount(const QModelIndex &parent) const
+{
+    Q_UNUSED(parent);
+    return QMetaEnum::fromType<Column>().keyCount();
+}
+
+QVariant WidgetModel::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid())
+        return QVariant();
+
+    switch (role) {
+    case Qt::DisplayRole:
+    {
+        auto wdgt = static_cast<DmxWidget*>(index.internalPointer());
+        auto info = wdgt->portInfo();
+        switch (static_cast<Column>(index.column()))
+        {
+        case PortName:
+            return info.portName();
+        case Manufacturer:
+            return info.manufacturer();
+        case Description:
+            return info.description();
+        case SerialNumber:
+            return wdgt->serialNumber();
+        case FirmwareVersion:
+            return QString::number(wdgt->firmwareVersion() >> 8)
+                   + "."
+                   + QString::number(wdgt->firmwareVersion() & 0xff);
+        case OperatingMode:
+            return "";
+        default:
+            return QVariant();
+        }
+    }
+    case Qt::FontRole:
+        return QVariant();
+    case Qt::EditRole:
+        return QVariant();
+    default:
+        return QVariant();
+    }
+}

platform/qt/dmxwidget/widgetmodel.h

@@ -0,0 +1,40 @@
+#pragma once
+
+#include "dmxwidget.h"
+#include <QAbstractItemModel>
+
+class WidgetModel : public QAbstractItemModel
+{
+    Q_OBJECT
+
+public:
+    explicit WidgetModel(QObject *parent = nullptr);
+
+    // Header:
+    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
+
+    // Basic functionality:
+    QModelIndex index(int row, int column,
+                      const QModelIndex &parent = QModelIndex()) const override;
+    QModelIndex parent(const QModelIndex &index) const override;
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    int columnCount(const QModelIndex &parent = QModelIndex()) const override;
+
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+
+    /// @brief The Column enum
+    enum Column {
+        PortName,
+        Manufacturer,
+        Description,
+        SerialNumber,
+        FirmwareVersion,
+        OperatingMode,
+    };
+    Q_ENUM(Column)
+
+private:
+    QList<std::shared_ptr<DmxWidget>> widgets_;
+};
+