Using QStatusBar

  

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();
}
Using QStatusBar : QStatusBar « Qt « C++

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