Camera example: Brush up to C++11

Use Qt 5 signal/slot syntax, range based for, member initialization.
Add message for captured images and fix some minor issues.

Task-number: QTBUG-60627
Change-Id: I1011fc95d928a9d2edaad16120acb0dc41f987d9
Reviewed-by: Christian Stromme <christian.stromme@qt.io>

1 files changed, 5 insertions, 4 deletions

diff --git a/examples/multimediawidgets/camera/imagesettings.cpp b/examples/multimediawidgets/camera/imagesettings.cpp
index 55441b4e3..658176369 100644
--- a/examples/multimediawidgets/camera/imagesettings.cpp
+++ b/examples/multimediawidgets/camera/imagesettings.cpp
@@ -56,16 +56,17 @@ ImageSettings::ImageSettings(QCameraImageCapture *imageCapture, QWidget *parent)
 
     //image codecs
     ui->imageCodecBox->addItem(tr("Default image format"), QVariant(QString()));
-    foreach(const QString &codecName, imagecapture->supportedImageCodecs()) {
+    const QStringList supportedImageCodecs = imagecapture->supportedImageCodecs();
+    for (const QString &codecName : supportedImageCodecs) {
         QString description = imagecapture->imageCodecDescription(codecName);
-        ui->imageCodecBox->addItem(codecName+": "+description, QVariant(codecName));
+        ui->imageCodecBox->addItem(codecName + ": " + description, QVariant(codecName));
     }
 
     ui->imageQualitySlider->setRange(0, int(QMultimedia::VeryHighQuality));
 
     ui->imageResolutionBox->addItem(tr("Default Resolution"));
-    QList<QSize> supportedResolutions = imagecapture->supportedResolutions();
-    foreach(const QSize &resolution, supportedResolutions) {
+    const QList<QSize> supportedResolutions = imagecapture->supportedResolutions();
+    for (const QSize &resolution : supportedResolutions) {
         ui->imageResolutionBox->addItem(QString("%1x%2").arg(resolution.width()).arg(resolution.height()),
                                         QVariant(resolution));
     }