From 05def66af004440d047e6b5c86caf69961539a6b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tor=20Arne=20Vestb=C3=B8?= Date: Mon, 26 Jun 2023 15:02:51 +0200 Subject: Move pixelator example to manual test Change-Id: I3ce2bc269a9f77bce3dd41f0127d01091c1408f6 Reviewed-by: Volker Hilsheimer (cherry picked from commit 921337f98c54d3c4a252569acd2152a1dea8c4bb) Reviewed-by: Qt Cherry-pick Bot --- .../widgets/itemviews/pixelator/mainwindow.cpp | 214 --------------------- 1 file changed, 214 deletions(-) delete mode 100644 examples/widgets/itemviews/pixelator/mainwindow.cpp (limited to 'examples/widgets/itemviews/pixelator/mainwindow.cpp') diff --git a/examples/widgets/itemviews/pixelator/mainwindow.cpp b/examples/widgets/itemviews/pixelator/mainwindow.cpp deleted file mode 100644 index 42f0a43844..0000000000 --- a/examples/widgets/itemviews/pixelator/mainwindow.cpp +++ /dev/null @@ -1,214 +0,0 @@ -// Copyright (C) 2016 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause - -#include "mainwindow.h" -#include "imagemodel.h" -#include "pixeldelegate.h" - -#include -#if defined(QT_PRINTSUPPORT_LIB) -#include -#if QT_CONFIG(printdialog) -#include -#include -#endif -#endif - -//! [0] -MainWindow::MainWindow() -{ -//! [0] - currentPath = QDir::homePath(); - model = new ImageModel(this); - - QWidget *centralWidget = new QWidget; - -//! [1] - view = new QTableView; - view->setShowGrid(false); - view->horizontalHeader()->hide(); - view->verticalHeader()->hide(); - view->horizontalHeader()->setMinimumSectionSize(1); - view->verticalHeader()->setMinimumSectionSize(1); - view->setModel(model); -//! [1] - -//! [2] - PixelDelegate *delegate = new PixelDelegate(this); - view->setItemDelegate(delegate); -//! [2] - -//! [3] - QLabel *pixelSizeLabel = new QLabel(tr("Pixel size:")); - QSpinBox *pixelSizeSpinBox = new QSpinBox; - pixelSizeSpinBox->setMinimum(4); - pixelSizeSpinBox->setMaximum(32); - pixelSizeSpinBox->setValue(12); -//! [3] - - QMenu *fileMenu = new QMenu(tr("&File"), this); - QAction *openAction = fileMenu->addAction(tr("&Open...")); - openAction->setShortcuts(QKeySequence::Open); - - printAction = fileMenu->addAction(tr("&Print...")); - printAction->setEnabled(false); - printAction->setShortcut(QKeySequence::Print); - - QAction *quitAction = fileMenu->addAction(tr("E&xit")); - quitAction->setShortcuts(QKeySequence::Quit); - - QMenu *helpMenu = new QMenu(tr("&Help"), this); - QAction *aboutAction = helpMenu->addAction(tr("&About")); - - menuBar()->addMenu(fileMenu); - menuBar()->addSeparator(); - menuBar()->addMenu(helpMenu); - - connect(openAction, &QAction::triggered, this, &MainWindow::chooseImage); - connect(printAction, &QAction::triggered, this, &MainWindow::printImage); - connect(quitAction, &QAction::triggered, qApp, &QCoreApplication::quit); - connect(aboutAction, &QAction::triggered, this, &MainWindow::showAboutBox); -//! [4] - connect(pixelSizeSpinBox, &QSpinBox::valueChanged, - delegate, &PixelDelegate::setPixelSize); - connect(pixelSizeSpinBox, &QSpinBox::valueChanged, - this, &MainWindow::updateView); -//! [4] - - QHBoxLayout *controlsLayout = new QHBoxLayout; - controlsLayout->addWidget(pixelSizeLabel); - controlsLayout->addWidget(pixelSizeSpinBox); - controlsLayout->addStretch(1); - - QVBoxLayout *mainLayout = new QVBoxLayout; - mainLayout->addWidget(view); - mainLayout->addLayout(controlsLayout); - centralWidget->setLayout(mainLayout); - - setCentralWidget(centralWidget); - - setWindowTitle(tr("Pixelator")); - resize(640, 480); -//! [5] -} -//! [5] - -void MainWindow::chooseImage() -{ - QString fileName = QFileDialog::getOpenFileName(this, - tr("Choose an image"), currentPath, "*"); - - if (!fileName.isEmpty()) - openImage(fileName); -} - -void MainWindow::openImage(const QString &fileName) -{ - QImage image; - - if (image.load(fileName)) { - model->setImage(image); - if (!fileName.startsWith(":/")) { - currentPath = fileName; - setWindowTitle(tr("%1 - Pixelator").arg(currentPath)); - } - - printAction->setEnabled(true); - updateView(); - } -} - -void MainWindow::printImage() -{ -#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printdialog) - if (model->rowCount(QModelIndex())*model->columnCount(QModelIndex()) > 90000) { - QMessageBox::StandardButton answer; - answer = QMessageBox::question(this, tr("Large Image Size"), - tr("The printed image may be very large. Are you sure that " - "you want to print it?"), - QMessageBox::Yes | QMessageBox::No); - if (answer == QMessageBox::No) - return; - } - - QPrinter printer(QPrinter::HighResolution); - - QPrintDialog dlg(&printer, this); - dlg.setWindowTitle(tr("Print Image")); - - if (dlg.exec() != QDialog::Accepted) { - return; - } - - QPainter painter; - painter.begin(&printer); - - int rows = model->rowCount(QModelIndex()); - int columns = model->columnCount(QModelIndex()); - int sourceWidth = (columns + 1) * ItemSize; - int sourceHeight = (rows + 1) * ItemSize; - - painter.save(); - - double xscale = printer.pageRect(QPrinter::DevicePixel).width() / double(sourceWidth); - double yscale = printer.pageRect(QPrinter::DevicePixel).height() / double(sourceHeight); - double scale = qMin(xscale, yscale); - - painter.translate(printer.paperRect(QPrinter::DevicePixel).x() + printer.pageRect(QPrinter::DevicePixel).width() / 2, - printer.paperRect(QPrinter::DevicePixel).y() + printer.pageRect(QPrinter::DevicePixel).height() / 2); - painter.scale(scale, scale); - painter.translate(-sourceWidth / 2, -sourceHeight / 2); - - QStyleOptionViewItem option; - QModelIndex parent = QModelIndex(); - - QProgressDialog progress(tr("Printing..."), tr("Cancel"), 0, rows, this); - progress.setWindowModality(Qt::ApplicationModal); - float y = ItemSize / 2; - - for (int row = 0; row < rows; ++row) { - progress.setValue(row); - qApp->processEvents(); - if (progress.wasCanceled()) - break; - - float x = ItemSize / 2; - - for (int column = 0; column < columns; ++column) { - option.rect = QRect(int(x), int(y), ItemSize, ItemSize); - view->itemDelegate()->paint(&painter, option, - model->index(row, column, parent)); - x = x + ItemSize; - } - y = y + ItemSize; - } - progress.setValue(rows); - - painter.restore(); - painter.end(); - - if (progress.wasCanceled()) { - QMessageBox::information(this, tr("Printing canceled"), - tr("The printing process was canceled."), QMessageBox::Cancel); - } -#else - QMessageBox::information(this, tr("Printing canceled"), - tr("Printing is not supported on this Qt build"), QMessageBox::Cancel); -#endif -} - -void MainWindow::showAboutBox() -{ - QMessageBox::about(this, tr("About the Pixelator example"), - tr("This example demonstrates how a standard view and a custom\n" - "delegate can be used to produce a specialized representation\n" - "of data in a simple custom model.")); -} - -//! [6] -void MainWindow::updateView() -{ - view->resizeColumnsToContents(); - view->resizeRowsToContents(); -} -//! [6] -- cgit v1.2.3