C++/Qt/qDebug
Use qDebug to output file name
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#include <QApplication>
#include <QPushButton>
#include <QFileInfo>
#include <QDir>
#include <QGroupBox>
#include <QVBoxLayout>
#include <QDebug>
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QFileInfo fileInfo1("~/examples/191697/.");
QFileInfo fileInfo2("~/examples/191697/..");
QFileInfo fileInfo3("~/examples/191697/main.cpp");
QFileInfo fileInfo4(".");
QFileInfo fileInfo5("..");
QFileInfo fileInfo6("main.cpp");
qDebug() << fileInfo1.fileName();
qDebug() << fileInfo2.fileName();
qDebug() << fileInfo3.fileName();
qDebug() << fileInfo4.fileName();
qDebug() << fileInfo5.fileName();
qDebug() << fileInfo6.fileName();
QPushButton* button1 = new QPushButton(fileInfo1.dir().path());
QPushButton* button2 = new QPushButton(fileInfo2.dir().path());
QPushButton* button3 = new QPushButton(fileInfo3.dir().path());
QPushButton* button4 = new QPushButton(fileInfo4.dir().path());
QPushButton* button5 = new QPushButton(fileInfo5.dir().path());
QPushButton* button6 = new QPushButton(fileInfo6.dir().path());
QVBoxLayout* vbox = new QVBoxLayout;
vbox->addWidget(button1);
vbox->addWidget(button2);
vbox->addWidget(button3);
vbox->addWidget(button4);
vbox->addWidget(button5);
vbox->addWidget(button6);
vbox->addStretch(1);
QGroupBox *groupBox = new QGroupBox("QFileInfo::dir() test");
groupBox->setLayout(vbox);
groupBox->show();
return app.exec();
}
Using qDebug to output string
/*
* 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 <QtDebug>
int main( int argc, char **argv )
{
qDebug() << "Hello Qt World!";
return 0;
}