Error :: extra qualification
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I am doing the example on dialogs from C++ gui programming with QT 4
I have finddialog.h
as
[code]
#ifndef FINDDIALOG_H
#define FINDDIALOG_H
#include <QDialog>
class QCheckBox;
class QLabel;
class QLineEdit;
class QPushButton;class FindDialog : public QDialog
{
Q_OBJECTpublic :
FindDialog(QWidget *parent = 0);signals:
void findNext(const QString &str,Qt::CaseSensitivity cs);
void findPrevious(const QString &str,Qt::CaseSensitivity cs);private slots:
void findClicked();
void enableFindButton(const QString &text);
private:
QLabel *label;
QLineEdit *lineEdit;
QCheckBox *caseCheckBox;
QCheckBox *backwardCheckBox;
QPushButton *findButton;
QPushButton *closeButton;
#endif
[/code]finddialog.cpp
[code]
#include <QtGui>
#include "finddialog.h"
FindDialog::FindDialog(QWidget *parent) : QDialog(parent)
{
label = new QLabel(tr("Find &what:"));
lineEdit = new QLineEdit;
label->setBuddy(lineEdit);caseCheckBox = new QCheckBox(tr("Match &case")); backwardCheckBox = new QCheckBox(tr("Search &backward")); findButton = new QPushButton(tr("&Find")); findButton->setDefault(true); findButton->setEnabled(false); closeButton = new QPushButton(tr("Close")); connect(lineEdit,SIGNAL(textChanged(const QString &)),this,SLOT(enableFindButton(const QString &))); connect(findButton,SIGNAL(clicked()),this,SLOT(findClicked())); connect(closeButton,SIGNAL(clicked()),this,SLOT(close())); QHBoxLayout *topLeftLayout = new QHBoxLayout;
topLeftLayout->addWidget(label);
topLeftLayout->addWidget(lineEdit);QVBoxLayout *leftLayout = new QVBoxLayout;
leftLayout->addLayout(topLeftLayout);
leftLayout->addWidget(findButton);
leftLayout->addWidget(backwardCheckBox);QVBoxLayout *rightLayout = new QVBoxLayout;
rightLayout->addLayout(leftLayout);
rightLayout->addLayout(rightLayout);
rightLayout->addStretch();QHBoxLayout *mainLayout = new QHBoxLayout;
mainLayout->addLayout(leftLayout);
mainLayout->addLayout(rightLayout);
setLayout(mainLayout);setWindowTitle(tr("Find"));
setFixedHeight(sizeHint().height());
}void FindDialog :: findClicked()
{
QString text = lineEdit->text();
Qt:: CaseSensitivity cs = caseCheckBox->isChecked() ? Qt::CaseSensitive
: Qt::CaseInsensitive;
if(backwardCheckBox->isChecked()) {
emit findPrevious(text,cs);
}
else{
emit findNext(text,cs);
}
}
void FindDialog :: enableFindButton(const QString &text)
{
findButton->setEnabled(!text.isEmpty());}
}
[/code]main.cpp
[code]
#include <QApplication>
#include "finddialog.h>
int main(int argc,char *argv[])
{
QApplication app(argc,argv);
FindDialog *dialog = new FindDialog;
dialog->show();
return app.exec();
}
[/code][code]
utkarsh@utkarsh-laptop:~/programming/qt/dialog$ ls
dialog.pro finddialog.cpp finddialog.h main.cpp Makefile
utkarsh@utkarsh-laptop:~/programming/qt/dialog$ make
g++ -c -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt4/mkspecs/linux-g++ -I. -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtGui -I/usr/include/qt4 -I. -I. -o finddialog.o finddialog.cpp
finddialog.cpp:3: error: extra qualification ‘FindDialog::’ on member ‘FindDialog’
finddialog.cpp:3: error: ‘FindDialog::FindDialog(QWidget*)’ cannot be overloaded
finddialog.h:14: error: with ‘FindDialog::FindDialog(QWidget*)’
finddialog.cpp:44: error: extra qualification ‘FindDialog::’ on member ‘findClicked’
finddialog.cpp:44: error: ‘void FindDialog::findClicked()’ cannot be overloaded
finddialog.h:21: error: with ‘void FindDialog::findClicked()’
finddialog.cpp:56: error: extra qualification ‘FindDialog::’ on member ‘enableFindButton’
finddialog.cpp:56: error: ‘void FindDialog::enableFindButton(const QString&)’ cannot be overloaded
finddialog.h:22: error: with ‘void FindDialog::enableFindButton(const QString&)’
finddialog.cpp:60: error: expected unqualified-id at end of input
make: *** [finddialog.o] Error 1
utkarsh@utkarsh-laptop:~/programming/qt/dialog$ nano finddialog.cpp
utkarsh@utkarsh-laptop:~/programming/qt/dialog$
[/code] -
Still getting the error!!
[code]
utkarsh@utkarsh-laptop:~/programming/qt/dialog$ make
g++ -c -pipe -O2 -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt4/mkspecs/linux-g++ -I. -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtGui -I/usr/include/qt4 -I. -I. -o finddialog.o finddialog.cpp
finddialog.cpp:3: error: extra qualification ‘FindDialog::’ on member ‘FindDialog’
finddialog.cpp:3: error: ‘FindDialog::FindDialog(QWidget*)’ cannot be overloaded
finddialog.h:14: error: with ‘FindDialog::FindDialog(QWidget*)’
finddialog.cpp:44: error: extra qualification ‘FindDialog::’ on member ‘findClicked’
finddialog.cpp:44: error: ‘void FindDialog::findClicked()’ cannot be overloaded
finddialog.h:21: error: with ‘void FindDialog::findClicked()’
finddialog.cpp:56: error: extra qualification ‘FindDialog::’ on member ‘enableFindButton’
finddialog.cpp:56: error: ‘void FindDialog::enableFindButton(const QString&)’ cannot be overloaded
finddialog.h:22: error: with ‘void FindDialog::enableFindButton(const QString&)’
finddialog.cpp:60: error: expected unqualified-id at end of input
make: *** [finddialog.o] Error 1
[/code]