ProjectExplorer: Show device status when displaying lists of devices

Fixes: QTCREATORBUG-20941
Change-Id: Ibc24785ae2afc174d13c22231f2c8e7e6923d64c
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

src/plugins/projectexplorer/devicesupport/devicemanagermodel.cpp

@@ -143,17 +143,18 @@ QVariant DeviceManagerModel::data(const QModelIndex &index, int role) const
 {
     if (!index.isValid() || index.row() >= rowCount())
         return {};
-    if (role != Qt::DisplayRole && role != Qt::UserRole)
-        return {};
     const IDevice::ConstPtr dev = device(index.row());
-    if (role == Qt::UserRole)
+    switch (role) {
+    case Qt::DecorationRole:
+        return dev->deviceStateIcon();
+    case Qt::UserRole:
         return dev->id().toSetting();
-    QString name;
-    if (d->deviceManager->defaultDevice(dev->type()) == dev)
-        name = Tr::tr("%1 (default for %2)").arg(dev->displayName(), dev->displayType());
-    else
-        name = dev->displayName();
-    return name;
+    case Qt::DisplayRole:
+        if (d->deviceManager->defaultDevice(dev->type()) == dev)
+            return Tr::tr("%1 (default for %2)").arg(dev->displayName(), dev->displayType());
+        return dev->displayName();
+    }
+    return {};
 }
 
 bool DeviceManagerModel::matchesTypeFilter(const IDevice::ConstPtr &dev) const

src/plugins/projectexplorer/devicesupport/devicesettingspage.cpp

@@ -249,20 +249,10 @@ void DeviceSettingsWidget::displayCurrent()
     m_autoDetectionLabel->setText(current->isAutoDetected()
             ? Tr::tr("Yes (id is \"%1\")").arg(current->id().toString()) : Tr::tr("No"));
     m_deviceStateIconLabel->show();
-    switch (current->deviceState()) {
-    case IDevice::DeviceReadyToUse:
-        m_deviceStateIconLabel->setPixmap(Icons::DEVICE_READY_INDICATOR.pixmap());
-        break;
-    case IDevice::DeviceConnected:
-        m_deviceStateIconLabel->setPixmap(Icons::DEVICE_CONNECTED_INDICATOR.pixmap());
-        break;
-    case IDevice::DeviceDisconnected:
-        m_deviceStateIconLabel->setPixmap(Icons::DEVICE_DISCONNECTED_INDICATOR.pixmap());
-        break;
-    case IDevice::DeviceStateUnknown:
+    if (const QPixmap &icon = current->deviceStateIcon(); !icon.isNull())
+        m_deviceStateIconLabel->setPixmap(icon);
+    else
         m_deviceStateIconLabel->hide();
-        break;
-    }
     m_deviceStateTextLabel->setText(current->deviceStateToString());
 
     m_removeConfigButton->setEnabled(!current->isAutoDetected()

src/plugins/projectexplorer/devicesupport/idevice.cpp

@@ -9,6 +9,7 @@
 
 #include "../kit.h"
 #include "../kitaspects.h"
+#include "../projectexplorericons.h"
 #include "../projectexplorertr.h"
 #include "../target.h"
 
@@ -590,6 +591,17 @@ QString IDevice::deviceStateToString() const
     }
 }
 
+QPixmap IDevice::deviceStateIcon() const
+{
+    switch (d->deviceState) {
+    case IDevice::DeviceReadyToUse: return Icons::DEVICE_READY_INDICATOR.pixmap();
+    case IDevice::DeviceConnected: return Icons::DEVICE_CONNECTED_INDICATOR.pixmap();
+    case IDevice::DeviceDisconnected: return Icons::DEVICE_DISCONNECTED_INDICATOR.pixmap();
+    case IDevice::DeviceStateUnknown: break;
+    }
+    return {};
+}
+
 SshParameters IDevice::sshParameters() const
 {
     return *d->sshParameters.readLocked();

src/plugins/projectexplorer/devicesupport/idevice.h

@@ -26,6 +26,7 @@
 #include <memory>
 
 QT_BEGIN_NAMESPACE
+class QPixmap;
 class QWidget;
 QT_END_NAMESPACE
 
@@ -158,6 +159,7 @@ public:
     DeviceState deviceState() const;
     void setDeviceState(const DeviceState state);
     QString deviceStateToString() const;
+    QPixmap deviceStateIcon() const;
 
     static Utils::Id typeFromMap(const Utils::Store &map);
     static Utils::Id idFromMap(const Utils::Store &map);