05fc3aef53
Replace the current license disclaimer in files by a SPDX-License-Identifier. Files that have to be modified by hand are modified. License files are organized under LICENSES directory. Task-number: QTBUG-67283 Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Lars Knoll <lars.knoll@qt.io> Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
153 lines
5.0 KiB
C++
153 lines
5.0 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include <QtWidgets>
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#include "screenshot.h"
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//! [0]
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Screenshot::Screenshot()
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: screenshotLabel(new QLabel(this))
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{
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screenshotLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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screenshotLabel->setAlignment(Qt::AlignCenter);
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const QRect screenGeometry = screen()->geometry();
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screenshotLabel->setMinimumSize(screenGeometry.width() / 8, screenGeometry.height() / 8);
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QVBoxLayout *mainLayout = new QVBoxLayout(this);
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mainLayout->addWidget(screenshotLabel);
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QGroupBox *optionsGroupBox = new QGroupBox(tr("Options"), this);
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delaySpinBox = new QSpinBox(optionsGroupBox);
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delaySpinBox->setSuffix(tr(" s"));
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delaySpinBox->setMaximum(60);
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connect(delaySpinBox, &QSpinBox::valueChanged,
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this, &Screenshot::updateCheckBox);
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hideThisWindowCheckBox = new QCheckBox(tr("Hide This Window"), optionsGroupBox);
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QGridLayout *optionsGroupBoxLayout = new QGridLayout(optionsGroupBox);
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optionsGroupBoxLayout->addWidget(new QLabel(tr("Screenshot Delay:"), this), 0, 0);
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optionsGroupBoxLayout->addWidget(delaySpinBox, 0, 1);
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optionsGroupBoxLayout->addWidget(hideThisWindowCheckBox, 1, 0, 1, 2);
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mainLayout->addWidget(optionsGroupBox);
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QHBoxLayout *buttonsLayout = new QHBoxLayout;
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newScreenshotButton = new QPushButton(tr("New Screenshot"), this);
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connect(newScreenshotButton, &QPushButton::clicked, this, &Screenshot::newScreenshot);
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buttonsLayout->addWidget(newScreenshotButton);
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QPushButton *saveScreenshotButton = new QPushButton(tr("Save Screenshot"), this);
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connect(saveScreenshotButton, &QPushButton::clicked, this, &Screenshot::saveScreenshot);
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buttonsLayout->addWidget(saveScreenshotButton);
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QPushButton *quitScreenshotButton = new QPushButton(tr("Quit"), this);
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quitScreenshotButton->setShortcut(Qt::CTRL | Qt::Key_Q);
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connect(quitScreenshotButton, &QPushButton::clicked, this, &QWidget::close);
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buttonsLayout->addWidget(quitScreenshotButton);
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buttonsLayout->addStretch();
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mainLayout->addLayout(buttonsLayout);
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shootScreen();
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delaySpinBox->setValue(5);
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setWindowTitle(tr("Screenshot"));
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resize(300, 200);
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}
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//! [0]
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//! [1]
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void Screenshot::resizeEvent(QResizeEvent * /* event */)
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{
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QSize scaledSize = originalPixmap.size();
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scaledSize.scale(screenshotLabel->size(), Qt::KeepAspectRatio);
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if (scaledSize != screenshotLabel->pixmap(Qt::ReturnByValue).size())
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updateScreenshotLabel();
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}
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//! [1]
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//! [2]
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void Screenshot::newScreenshot()
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{
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if (hideThisWindowCheckBox->isChecked())
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hide();
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newScreenshotButton->setDisabled(true);
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QTimer::singleShot(delaySpinBox->value() * 1000, this, &Screenshot::shootScreen);
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}
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//! [2]
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//! [3]
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void Screenshot::saveScreenshot()
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{
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const QString format = "png";
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QString initialPath = QStandardPaths::writableLocation(QStandardPaths::PicturesLocation);
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if (initialPath.isEmpty())
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initialPath = QDir::currentPath();
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initialPath += tr("/untitled.") + format;
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QFileDialog fileDialog(this, tr("Save As"), initialPath);
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fileDialog.setAcceptMode(QFileDialog::AcceptSave);
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fileDialog.setFileMode(QFileDialog::AnyFile);
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fileDialog.setDirectory(initialPath);
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QStringList mimeTypes;
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const QList<QByteArray> baMimeTypes = QImageWriter::supportedMimeTypes();
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for (const QByteArray &bf : baMimeTypes)
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mimeTypes.append(QLatin1String(bf));
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fileDialog.setMimeTypeFilters(mimeTypes);
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fileDialog.selectMimeTypeFilter("image/" + format);
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fileDialog.setDefaultSuffix(format);
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if (fileDialog.exec() != QDialog::Accepted)
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return;
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const QString fileName = fileDialog.selectedFiles().first();
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if (!originalPixmap.save(fileName)) {
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QMessageBox::warning(this, tr("Save Error"), tr("The image could not be saved to \"%1\".")
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.arg(QDir::toNativeSeparators(fileName)));
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}
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}
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//! [3]
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//! [4]
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void Screenshot::shootScreen()
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{
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QScreen *screen = QGuiApplication::primaryScreen();
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if (const QWindow *window = windowHandle())
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screen = window->screen();
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if (!screen)
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return;
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if (delaySpinBox->value() != 0)
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QApplication::beep();
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originalPixmap = screen->grabWindow(0);
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updateScreenshotLabel();
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newScreenshotButton->setDisabled(false);
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if (hideThisWindowCheckBox->isChecked())
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show();
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}
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//! [4]
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//! [6]
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void Screenshot::updateCheckBox()
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{
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if (delaySpinBox->value() == 0) {
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hideThisWindowCheckBox->setDisabled(true);
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hideThisWindowCheckBox->setChecked(false);
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} else {
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hideThisWindowCheckBox->setDisabled(false);
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}
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}
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//! [6]
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//! [10]
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void Screenshot::updateScreenshotLabel()
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{
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screenshotLabel->setPixmap(originalPixmap.scaled(screenshotLabel->size(),
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Qt::KeepAspectRatio,
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Qt::SmoothTransformation));
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}
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//! [10]
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