void MainWindow::disconnectCamera(int index)
{
// Local variable(s)
bool doDisconnect=true;
// Check if stream synchronization is enabled, more than 1 camera connected, and frame processing is not in progress
if(ui->actionSynchronizeStreams->isChecked() && cameraViewMap.size()>1 && !sharedImageBuffer->getSyncEnabled())
{
// Prompt user
int ret = QMessageBox::question(this, tr("qt-opencv-multithreaded"),
tr("Stream synchronization is enabled.\n\n"
"Disconnecting this camera will cause frame processing to begin on other streams.\n\n"
"Do you wish to proceed?"),
QMessageBox::Yes | QMessageBox::No,
QMessageBox::Yes);
// Disconnect
if(ret==QMessageBox::Yes)
{
doDisconnect=true;
}
// Do not disconnect
else
{
doDisconnect=false;
}
}
// Disconnect camera
if(doDisconnect)
{
// Save number of tabs
int nTabs = ui->tabWidget->count();
// Close tab
ui->tabWidget->removeTab(index);
// Delete widget (CameraView) contained in tab
delete cameraViewMap[deviceNumberMap.key(index)];
cameraViewMap.remove(deviceNumberMap.key(index));
// Remove from map
removeFromMapByTabIndex(deviceNumberMap, index);
// Update map (if tab closed is not last)
if(index!=(nTabs-1))
{
updateMapValues(deviceNumberMap, index);
}
// If start tab, set tab as blank
if(nTabs==1)
{
QLabel *newTab = new QLabel(ui->tabWidget);
newTab->setText("No camera connected.");
newTab->setAlignment(Qt::AlignCenter);
ui->tabWidget->addTab(newTab, "");
ui->tabWidget->setTabsClosable(false);
ui->actionSynchronizeStreams->setEnabled(true);
}
}
}
void MainWindow::disconnectCamera(int index)
{
// Save number of tabs
int nTabs = ui->tabWidget->count();
bool isCamera = (ui->tabWidget->widget(index)->objectName() == "CameraView");
// Close tab
ui->tabWidget->removeTab(index);
// Delete widget contained in tab
if(isCamera) {
int camToDelete = deviceNumberMap.key(index);
delete cameraViewMap[camToDelete];
delete sharedImageBuffer->getByDeviceNumber(camToDelete);
cameraViewMap.remove(camToDelete);
}
else {
QString vidToDelete = fileNumberMap.key(index);
delete videoViewMap[vidToDelete];
videoViewMap.remove(vidToDelete);
}
// Remove from map
removeFromMapByTabIndex(deviceNumberMap, index);
removeFromMapByTabIndex(fileNumberMap, index);
// Update map (if tab closed is not last)
if(index!=(nTabs-1)) {
updateMapValues(deviceNumberMap, index);
updateMapValues(fileNumberMap, index);
}
// If start tab, set tab as blank
if(nTabs==1)
{
QLabel *newTab = new QLabel(ui->tabWidget);
newTab->setText(tr("Neither camera connected nor file loaded."));
newTab->setAlignment(Qt::AlignCenter);
ui->tabWidget->addTab(newTab, "");
ui->tabWidget->setTabsClosable(false);
}
}