Qt:Документация 4.3.2/activeqt-webbrowser-main-cpp
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activeqt/webbrowser/main.cpp
/**************************************************************************** ** ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. ** ** This file is part of the example classes of the Qt Toolkit. ** ** This file may be used under the terms of the GNU General Public ** License version 2.0 as published by the Free Software Foundation ** and appearing in the file LICENSE.GPL included in the packaging of ** this file. Please review the following information to ensure GNU ** General Public Licensing requirements will be met: ** http://trolltech.com/products/qt/licenses/licensing/opensource/ ** ** If you are unsure which license is appropriate for your use, please ** review the following information: ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview ** or contact the sales department at sales@trolltech.com. ** ** In addition, as a special exception, Trolltech gives you certain ** additional rights. These rights are described in the Trolltech GPL ** Exception version 1.0, which can be found at ** http://www.trolltech.com/products/qt/gplexception/ and in the file ** GPL_EXCEPTION.txt in this package. ** ** In addition, as a special exception, Trolltech, as the sole copyright ** holder for Qt Designer, grants users of the Qt/Eclipse Integration ** plug-in the right for the Qt/Eclipse Integration to link to ** functionality provided by Qt Designer and its related libraries. ** ** Trolltech reserves all rights not expressly granted herein. ** ** Trolltech ASA (c) 2007 ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ****************************************************************************/ #include <QApplication> #include <QMessageBox> #include <QProgressBar> #include <QStatusBar> #include <QMainWindow> #include "ui_mainwindow.h" class MainWindow : public QMainWindow, public Ui::MainWindow { Q_OBJECT public: MainWindow(); public slots: void on_WebBrowser_TitleChange(const QString &title); void on_WebBrowser_ProgressChange(int a, int b); void on_WebBrowser_CommandStateChange(int cmd, bool on); void on_WebBrowser_BeforeNavigate(); void on_WebBrowser_NavigateComplete(QString); void on_actionGo_triggered(); void on_actionNewWindow_triggered(); void on_actionAbout_triggered(); void on_actionAboutQt_triggered(); private: QProgressBar *pb; }; MainWindow::MainWindow() { setupUi(this); connect(addressEdit, SIGNAL(returnPressed()), actionGo, SLOT(trigger())); connect(actionBack, SIGNAL(triggered()), WebBrowser, SLOT(GoBack())); connect(actionForward, SIGNAL(triggered()), WebBrowser, SLOT(GoForward())); connect(actionStop, SIGNAL(triggered()), WebBrowser, SLOT(Stop())); connect(actionRefresh, SIGNAL(triggered()), WebBrowser, SLOT(Refresh())); connect(actionHome, SIGNAL(triggered()), WebBrowser, SLOT(GoHome())); connect(actionSearch, SIGNAL(triggered()), WebBrowser, SLOT(GoSearch())); pb = new QProgressBar(statusBar()); pb->setTextVisible(false); pb->hide(); statusBar()->addPermanentWidget(pb); WebBrowser->dynamicCall("GoHome()"); } void MainWindow::on_WebBrowser_TitleChange(const QString &title) { setWindowTitle("Qt WebBrowser - " + title); } void MainWindow::on_WebBrowser_ProgressChange(int a, int b) { if (a <= 0 || b <= 0) { pb->hide(); return; } pb->show(); pb->setRange(0, b); pb->setValue(a); } void MainWindow::on_WebBrowser_CommandStateChange(int cmd, bool on) { switch (cmd) { case 1: actionForward->setEnabled(on); break; case 2: actionBack->setEnabled(on); break; } } void MainWindow::on_WebBrowser_BeforeNavigate() { actionStop->setEnabled(true); } void MainWindow::on_WebBrowser_NavigateComplete(QString) { actionStop->setEnabled(false); } void MainWindow::on_actionGo_triggered() { WebBrowser->dynamicCall("Navigate(const QString&)", addressEdit->text()); } void MainWindow::on_actionNewWindow_triggered() { MainWindow *window = new MainWindow; window->show(); if (addressEdit->text().isEmpty()) return; window->addressEdit->setText(addressEdit->text()); window->actionStop->setEnabled(true); window->on_actionGo_triggered(); } void MainWindow::on_actionAbout_triggered() { QMessageBox::about(this, tr("About WebBrowser"), tr("This Example has been created using the ActiveQt integration into Qt Designer.\n" "It demonstrates the use of QAxWidget to embed the Internet Explorer ActiveX\n" "control into a Qt application.")); } void MainWindow::on_actionAboutQt_triggered() { QMessageBox::aboutQt(this, tr("About Qt")); } #include "main.moc" int main(int argc, char ** argv) { QApplication a(argc, argv); MainWindow w; w.show(); return a.exec(); }
Copyright © 2007 Trolltech | Trademarks | Qt 4.3.2
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