C++/Qt/QStatusBar
Using QStatusBar
<source lang="cpp"> Foundations of Qt Development\Chapter09\statusbar\main.cpp /*
* Copyright (c) 2006-2007, Johan Thelin * * All rights reserved. * * 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 APress 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. * */
- include <QApplication>
- include <QMainWindow>
- include <QTextEdit>
- include <QStatusBar>
- include <QLabel>
- include <QProgressBar>
class MainWindow : public QMainWindow { public:
MainWindow();
}; MainWindow::MainWindow() : QMainWindow() {
setCentralWidget( new QTextEdit( this ) ); QStatusBar *statusBar = this->statusBar(); QProgressBar *progressBar = new QProgressBar(); QLabel *mode = new QLabel( tr(" EDIT ") ); QLabel *modified = new QLabel( tr(" Y ") ); QLabel *size = new QLabel( tr(" 999999kB ") ); mode->setMinimumSize( mode->sizeHint() ); mode->setAlignment( Qt::AlignCenter ); mode->setText( tr("EDIT") ); mode->setToolTip( tr("The current working mode.") ); statusBar->addPermanentWidget( mode ); modified->setMinimumSize( modified->sizeHint() ); modified->setAlignment( Qt::AlignCenter ); modified->setText( tr("N") ); modified->setToolTip( tr("Indicates if the current document has been modified or not.") ); size->setMinimumSize( size->sizeHint() ); size->setAlignment( Qt::AlignRight | Qt::AlignVCenter ); size->setText( tr("%1kB ").arg(0) ); size->setToolTip( tr("The memory used for the current document.") ); progressBar->setTextVisible( false ); progressBar->setRange( 0, 0 ); statusBar->addWidget( progressBar, 1 ); statusBar->addWidget( modified ); statusBar->addWidget( size ); statusBar->showMessage( tr("Ready"), 2000 );
} int main( int argc, char **argv ) {
QApplication app( argc, argv ); MainWindow window; window.show(); return app.exec();
}
</source>