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qcam: Support Hotplug for Camera Selection Dialog

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Currently if there is HotPlug event when the user is on the Camera
selection dialog, the QComboBox doesn't update to reflect the change.

Add support for hotplugging / unplugging cameras.

Signed-off-by: Utkarsh Tiwari <utkarsh02t@gmail.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Utkarsh Tiwari
2022-08-07 00:34:31 +05:30
parent f03da23b56
commit 923927ae45
3 changed files with 22 additions and 2 deletions
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src/qcam/main_window.cpp
+5 -2
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@@ -594,10 +594,12 @@ void MainWindow::stopCapture()
void MainWindow::processHotplug(HotplugEvent *e)
{
Camera *camera = e->camera();
QString cameraId = QString::fromStdString(camera->id());
HotplugEvent::PlugEvent event = e->hotplugEvent();
if (event == HotplugEvent::HotPlug) {
cameraCombo_->addItem(QString::fromStdString(camera->id()));
cameraCombo_->addItem(cameraId);
cameraSelectorDialog_->addCamera(cameraId);
} else if (event == HotplugEvent::HotUnplug) {
/* Check if the currently-streaming camera is removed. */
if (camera == camera_.get()) {
@@ -607,8 +609,9 @@ void MainWindow::processHotplug(HotplugEvent *e)
cameraCombo_->setCurrentIndex(0);
}
int camIndex = cameraCombo_->findText(QString::fromStdString(camera->id()));
int camIndex = cameraCombo_->findText(cameraId);
cameraCombo_->removeItem(camIndex);
cameraSelectorDialog_->removeCamera(cameraId);
}
}