Commit bc81afec authored by Jesus Fernandez's avatar Jesus Fernandez

Screenshot example

parent 46d71818
......@@ -4,4 +4,5 @@ SUBDIRS += \
twittertimeline \
redditclient \
qtgcal \
googlecalendar
googlecalendar \
screenshot
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QApplication>
#include <QDesktopWidget>
#include "screenshot.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
Screenshot screenshot;
screenshot.move(QApplication::desktop()->availableGeometry(&screenshot).topLeft() + QPoint(20, 20));
screenshot.show();
return app.exec();
}
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtWidgets>
#include <QtWebEngineWidgets>
#include "screenshot.h"
//! [0]
Screenshot::Screenshot()
: screenshotLabel(new QLabel(this))
{
oauth2.setClientIdentifier("59aa01463adbf3e");
oauth2.setClientIdentifierSharedKey("0b637074a0e10b9f95849434a80986864406fa5a");
oauth2.setAuthorizationUrl(QUrl("https://api.imgur.com/oauth2/authorize"));
oauth2.setAccessTokenUrl(QUrl("https://api.imgur.com/oauth2/token"));
oauth2.setPort(1337);
auto webengine = new QWebEngineView;
webengine->setWindowModality(Qt::ApplicationModal);
QTimer::singleShot(1000, &oauth2, &QOAuth2AuthorizationCodeFlow::grant);
connect(&oauth2, &QOAuth2AuthorizationCodeFlow::authorizationRequested, webengine,
&QWebEngineView::show);
connect(&oauth2, &QOAuth2AuthorizationCodeFlow::authorizationRequested, webengine,
&QWebEngineView::load);
screenshotLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
screenshotLabel->setAlignment(Qt::AlignCenter);
const QRect screenGeometry = QApplication::desktop()->screenGeometry(this);
screenshotLabel->setMinimumSize(screenGeometry.width() / 8, screenGeometry.height() / 8);
QVBoxLayout *mainLayout = new QVBoxLayout(this);
mainLayout->addWidget(screenshotLabel);
QGroupBox *optionsGroupBox = new QGroupBox(tr("Options"), this);
delaySpinBox = new QSpinBox(optionsGroupBox);
delaySpinBox->setSuffix(tr(" s"));
delaySpinBox->setMaximum(60);
typedef void (QSpinBox::*QSpinBoxIntSignal)(int);
connect(delaySpinBox, static_cast<QSpinBoxIntSignal>(&QSpinBox::valueChanged),
this, &Screenshot::updateCheckBox);
hideThisWindowCheckBox = new QCheckBox(tr("Hide This Window"), optionsGroupBox);
QGridLayout *optionsGroupBoxLayout = new QGridLayout(optionsGroupBox);
optionsGroupBoxLayout->addWidget(new QLabel(tr("Screenshot Delay:"), this), 0, 0);
optionsGroupBoxLayout->addWidget(delaySpinBox, 0, 1);
optionsGroupBoxLayout->addWidget(hideThisWindowCheckBox, 1, 0, 1, 2);
mainLayout->addWidget(optionsGroupBox);
oauthStatusLabel = new QLabel("Not granted");
connect(&oauth2, &QOAuth2AuthorizationCodeFlow::granted, this, &Screenshot::granted);
connect(&oauth2, &QOAuth2AuthorizationCodeFlow::granted, webengine, &QWebEngineView::close);
connect(&oauth2, &QOAuth2AuthorizationCodeFlow::granted, webengine,
&QWebEngineView::deleteLater);
mainLayout->addWidget(oauthStatusLabel);
QHBoxLayout *buttonsLayout = new QHBoxLayout;
newScreenshotButton = new QPushButton(tr("New Screenshot"), this);
connect(newScreenshotButton, &QPushButton::clicked, this, &Screenshot::newScreenshot);
buttonsLayout->addWidget(newScreenshotButton);
QPushButton *saveScreenshotButton = new QPushButton(tr("Save Screenshot"), this);
connect(saveScreenshotButton, &QPushButton::clicked, this, &Screenshot::saveScreenshot);
buttonsLayout->addWidget(saveScreenshotButton);
QPushButton *quitScreenshotButton = new QPushButton(tr("Quit"), this);
quitScreenshotButton->setShortcut(Qt::CTRL + Qt::Key_Q);
connect(quitScreenshotButton, &QPushButton::clicked, this, &QWidget::close);
buttonsLayout->addWidget(quitScreenshotButton);
buttonsLayout->addStretch();
mainLayout->addLayout(buttonsLayout);
shootScreen();
delaySpinBox->setValue(5);
setWindowTitle(tr("Screenshot"));
resize(300, 200);
}
//! [0]
//! [1]
void Screenshot::resizeEvent(QResizeEvent * /* event */)
{
QSize scaledSize = originalPixmap.size();
scaledSize.scale(screenshotLabel->size(), Qt::KeepAspectRatio);
if (!screenshotLabel->pixmap() || scaledSize != screenshotLabel->pixmap()->size())
updateScreenshotLabel();
}
//! [1]
//! [2]
void Screenshot::newScreenshot()
{
if (hideThisWindowCheckBox->isChecked())
hide();
newScreenshotButton->setDisabled(true);
QTimer::singleShot(delaySpinBox->value() * 1000, this, &Screenshot::shootScreen);
}
//! [2]
//! [3]
void Screenshot::saveScreenshot()
{
const QString format = "png";
QString initialPath = QStandardPaths::writableLocation(QStandardPaths::PicturesLocation);
if (initialPath.isEmpty())
initialPath = QDir::currentPath();
initialPath += tr("/untitled.") + format;
QFileDialog fileDialog(this, tr("Save As"), initialPath);
fileDialog.setAcceptMode(QFileDialog::AcceptSave);
fileDialog.setFileMode(QFileDialog::AnyFile);
fileDialog.setDirectory(initialPath);
QStringList mimeTypes;
foreach (const QByteArray &bf, QImageWriter::supportedMimeTypes())
mimeTypes.append(QLatin1String(bf));
fileDialog.setMimeTypeFilters(mimeTypes);
fileDialog.selectMimeTypeFilter("image/" + format);
fileDialog.setDefaultSuffix(format);
if (fileDialog.exec() != QDialog::Accepted)
return;
const QString fileName = fileDialog.selectedFiles().first();
if (!originalPixmap.save(fileName)) {
QMessageBox::warning(this, tr("Save Error"), tr("The image could not be saved to \"%1\".")
.arg(QDir::toNativeSeparators(fileName)));
}
}
//! [3]
//! [4]
void Screenshot::shootScreen()
{
QScreen *screen = QGuiApplication::primaryScreen();
if (const QWindow *window = windowHandle())
screen = window->screen();
if (!screen)
return;
if (delaySpinBox->value() != 0)
QApplication::beep();
originalPixmap = screen->grabWindow(0);
updateScreenshotLabel();
newScreenshotButton->setDisabled(false);
if (hideThisWindowCheckBox->isChecked())
show();
}
//! [4]
//! [6]
void Screenshot::updateCheckBox()
{
if (delaySpinBox->value() == 0) {
hideThisWindowCheckBox->setDisabled(true);
hideThisWindowCheckBox->setChecked(false);
} else {
hideThisWindowCheckBox->setDisabled(false);
}
}
void Screenshot::granted()
{
oauthStatusLabel->setText("Granted");
}
//! [6]
//! [10]
void Screenshot::updateScreenshotLabel()
{
screenshotLabel->setPixmap(originalPixmap.scaled(screenshotLabel->size(),
Qt::KeepAspectRatio,
Qt::SmoothTransformation));
}
//! [10]
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef SCREENSHOT_H
#define SCREENSHOT_H
#include <QPixmap>
#include <QWidget>
#include <QtOAuth/qoauth2authorizationcodeflow.h>
QT_BEGIN_NAMESPACE
class QCheckBox;
class QGridLayout;
class QGroupBox;
class QHBoxLayout;
class QLabel;
class QPushButton;
class QSpinBox;
class QVBoxLayout;
QT_END_NAMESPACE
//! [0]
class Screenshot : public QWidget
{
Q_OBJECT
public:
Screenshot();
protected:
void resizeEvent(QResizeEvent *event) Q_DECL_OVERRIDE;
private slots:
void newScreenshot();
void saveScreenshot();
void shootScreen();
void updateCheckBox();
void granted();
private:
void updateScreenshotLabel();
QPixmap originalPixmap;
QLabel *screenshotLabel;
QSpinBox *delaySpinBox;
QCheckBox *hideThisWindowCheckBox;
QPushButton *newScreenshotButton;
QLabel *oauthStatusLabel;
QOAuth2AuthorizationCodeFlow oauth2;
};
//! [0]
#endif // SCREENSHOT_H
QT += widgets webenginewidgets
HEADERS = screenshot.h
SOURCES = main.cpp \
screenshot.cpp
include(../../QtOAuth.pri)
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment