diff options
Diffstat (limited to 'examples/webenginewidgets/stylesheetbrowser/mainwindow.cpp')
| -rw-r--r-- | examples/webenginewidgets/stylesheetbrowser/mainwindow.cpp | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/examples/webenginewidgets/stylesheetbrowser/mainwindow.cpp b/examples/webenginewidgets/stylesheetbrowser/mainwindow.cpp deleted file mode 100644 index bdf3c56bf..000000000 --- a/examples/webenginewidgets/stylesheetbrowser/mainwindow.cpp +++ /dev/null @@ -1,169 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, 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 "mainwindow.h" -#include "stylesheetdialog.h" -#include "ui_mainwindow.h" - -static QMap<QString, QString> defaultStyleSheets = { - {"Upside down", "body { -webkit-transform: rotate(180deg); }"} -}; - -MainWindow::MainWindow(const QUrl &url) : - QMainWindow(), - ui(new Ui::MainWindow) -{ - ui->setupUi(this); - - connect(ui->urlBar, &QLineEdit::returnPressed, this, &MainWindow::urlEntered); - connect(ui->webEngineView, &QWebEngineView::urlChanged, this, &MainWindow::urlChanged); - connect(ui->settingsButton, &QPushButton::clicked, this, &MainWindow::showStyleSheetsDialog); - connect(ui->reloadButton, &QPushButton::clicked, this, &MainWindow::reloadRequested); - - QSettings settings; - settings.beginGroup("styleSheets"); - QStringList styleSheets = settings.allKeys(); - if (styleSheets.empty()) { - // Add back default style sheets if the user cleared them out - loadDefaultStyleSheets(); - } else { - for (auto name : qAsConst(styleSheets)) { - StyleSheet styleSheet = settings.value(name).value<StyleSheet>(); - if (styleSheet.second) - insertStyleSheet(name, styleSheet.first, false); - } - } - settings.endGroup(); - - ui->webEngineView->setUrl(url); -} - -MainWindow::~MainWindow() -{ - delete ui; -} - -void MainWindow::insertStyleSheet(const QString &name, const QString &source, bool immediately) -{ - QWebEngineScript script; - QString s = QString::fromLatin1("(function() {"\ - " css = document.createElement('style');"\ - " css.type = 'text/css';"\ - " css.id = '%1';"\ - " document.head.appendChild(css);"\ - " css.innerText = '%2';"\ - "})()").arg(name).arg(source.simplified()); - if (immediately) - ui->webEngineView->page()->runJavaScript(s, QWebEngineScript::ApplicationWorld); - - script.setName(name); - script.setSourceCode(s); - script.setInjectionPoint(QWebEngineScript::DocumentReady); - script.setRunsOnSubFrames(true); - script.setWorldId(QWebEngineScript::ApplicationWorld); - ui->webEngineView->page()->scripts().insert(script); -} - -void MainWindow::removeStyleSheet(const QString &name, bool immediately) -{ - QString s = QString::fromLatin1("(function() {"\ - " var element = document.getElementById('%1');"\ - " element.outerHTML = '';"\ - " delete element;"\ - "})()").arg(name); - if (immediately) - ui->webEngineView->page()->runJavaScript(s, QWebEngineScript::ApplicationWorld); - - const QList<QWebEngineScript> scripts = ui->webEngineView->page()->scripts().find(name); - if (!scripts.isEmpty()) - ui->webEngineView->page()->scripts().remove(scripts.first()); -} - -bool MainWindow::hasStyleSheet(const QString &name) -{ - const QList<QWebEngineScript> scripts = ui->webEngineView->page()->scripts().find(name); - return !scripts.isEmpty(); -} - -void MainWindow::loadDefaultStyleSheets() -{ - QSettings settings; - settings.beginGroup("styleSheets"); - - auto it = defaultStyleSheets.constBegin(); - while (it != defaultStyleSheets.constEnd()) { - settings.setValue(it.key(), QVariant::fromValue(qMakePair(it.value(), true))); - insertStyleSheet(it.key(), it.value(), false); - ++it; - } - - settings.endGroup(); -} - -void MainWindow::urlEntered() -{ - ui->webEngineView->setUrl(QUrl::fromUserInput(ui->urlBar->text())); -} - -void MainWindow::urlChanged(const QUrl &url) -{ - ui->urlBar->setText(url.toString()); -} - -void MainWindow::showStyleSheetsDialog() -{ - StylesheetDialog *dialog = new StylesheetDialog(this); - dialog->show(); -} - -void MainWindow::reloadRequested() -{ - ui->webEngineView->reload(); -} |