diff options
Diffstat (limited to 'examples/widgets/gestures')
5 files changed, 21 insertions, 25 deletions
diff --git a/examples/widgets/gestures/imagegestures/imagewidget.cpp b/examples/widgets/gestures/imagegestures/imagewidget.cpp index 0a6b963559..fb5351f949 100644 --- a/examples/widgets/gestures/imagegestures/imagewidget.cpp +++ b/examples/widgets/gestures/imagegestures/imagewidget.cpp @@ -50,26 +50,23 @@ #include "imagewidget.h" -#include <QtWidgets> +#include <QDir> +#include <QImageReader> +#include <QGestureEvent> +#include <QPainter> Q_LOGGING_CATEGORY(lcExample, "qt.examples.imagegestures") //! [constructor] ImageWidget::ImageWidget(QWidget *parent) - : QWidget(parent), - position(0), - horizontalOffset(0), - verticalOffset(0), - rotationAngle(0), - scaleFactor(1), - currentStepScaleFactor(1) - + : QWidget(parent), position(0), horizontalOffset(0), verticalOffset(0) + , rotationAngle(0), scaleFactor(1), currentStepScaleFactor(1) { - setMinimumSize(QSize(100,100)); + setMinimumSize(QSize(100, 100)); } //! [constructor] -void ImageWidget::grabGestures(const QList<Qt::GestureType> &gestures) +void ImageWidget::grabGestures(const QVector<Qt::GestureType> &gestures) { //! [enable gestures] for (Qt::GestureType gesture : gestures) @@ -96,11 +93,11 @@ void ImageWidget::paintEvent(QPaintEvent*) const qreal wh = height(); const qreal ww = width(); - p.translate(ww/2, wh/2); + p.translate(ww / 2, wh / 2); p.translate(horizontalOffset, verticalOffset); p.rotate(rotationAngle); p.scale(currentStepScaleFactor * scaleFactor, currentStepScaleFactor * scaleFactor); - p.translate(-iw/2, -ih/2); + p.translate(-iw / 2, -ih / 2); p.drawImage(0, 0, currentImage); } //! [paint method] @@ -198,8 +195,7 @@ void ImageWidget::openDirectory(const QString &path) { this->path = path; QDir dir(path); - QStringList nameFilters; - nameFilters << "*.jpg" << "*.png"; + const QStringList nameFilters{"*.jpg", "*.png"}; files = dir.entryList(nameFilters, QDir::Files|QDir::Readable, QDir::Name); position = 0; @@ -207,7 +203,7 @@ void ImageWidget::openDirectory(const QString &path) update(); } -QImage ImageWidget::loadImage(const QString &fileName) +QImage ImageWidget::loadImage(const QString &fileName) const { QImageReader reader(fileName); reader.setAutoTransform(true); diff --git a/examples/widgets/gestures/imagegestures/imagewidget.h b/examples/widgets/gestures/imagegestures/imagewidget.h index 5e92541067..ae5eb7bc2b 100644 --- a/examples/widgets/gestures/imagegestures/imagewidget.h +++ b/examples/widgets/gestures/imagegestures/imagewidget.h @@ -51,9 +51,9 @@ #ifndef IMAGEWIDGET_H #define IMAGEWIDGET_H -#include <QWidget> #include <QImage> -#include <QtWidgets> +#include <QLoggingCategory> +#include <QWidget> QT_BEGIN_NAMESPACE class QGestureEvent; @@ -70,9 +70,9 @@ class ImageWidget : public QWidget Q_OBJECT public: - ImageWidget(QWidget *parent = 0); + ImageWidget(QWidget *parent = nullptr); void openDirectory(const QString &path); - void grabGestures(const QList<Qt::GestureType> &gestures); + void grabGestures(const QVector<Qt::GestureType> &gestures); protected: bool event(QEvent *event) override; @@ -87,7 +87,7 @@ private: void swipeTriggered(QSwipeGesture*); //! [class definition begin] - QImage loadImage(const QString &fileName); + QImage loadImage(const QString &fileName) const; void loadImage(); void goNextImage(); void goPrevImage(); diff --git a/examples/widgets/gestures/imagegestures/main.cpp b/examples/widgets/gestures/imagegestures/main.cpp index ecd7462bd3..4f8d4ec15e 100644 --- a/examples/widgets/gestures/imagegestures/main.cpp +++ b/examples/widgets/gestures/imagegestures/main.cpp @@ -102,7 +102,7 @@ int main(int argc, char *argv[]) return -1; } - QList<Qt::GestureType> gestures; + QVector<Qt::GestureType> gestures; if (!commandLineParser.isSet(disablePanOption)) gestures << Qt::PanGesture; if (!commandLineParser.isSet(disablePinchOption)) diff --git a/examples/widgets/gestures/imagegestures/mainwidget.cpp b/examples/widgets/gestures/imagegestures/mainwidget.cpp index c4e63e9e7d..d1c786a93a 100644 --- a/examples/widgets/gestures/imagegestures/mainwidget.cpp +++ b/examples/widgets/gestures/imagegestures/mainwidget.cpp @@ -72,7 +72,7 @@ void MainWidget::openDirectory(const QString &path) imageWidget->openDirectory(path); } -void MainWidget::grabGestures(const QList<Qt::GestureType> &gestures) +void MainWidget::grabGestures(const QVector<Qt::GestureType> &gestures) { imageWidget->grabGestures(gestures); } diff --git a/examples/widgets/gestures/imagegestures/mainwidget.h b/examples/widgets/gestures/imagegestures/mainwidget.h index f3763ffffc..1600597251 100644 --- a/examples/widgets/gestures/imagegestures/mainwidget.h +++ b/examples/widgets/gestures/imagegestures/mainwidget.h @@ -60,8 +60,8 @@ class MainWidget : public QMainWindow Q_OBJECT public: - MainWidget(QWidget *parent = 0); - void grabGestures(const QList<Qt::GestureType> &gestures); + MainWidget(QWidget *parent = nullptr); + void grabGestures(const QVector<Qt::GestureType> &gestures); public slots: void openDirectory(const QString &path); |