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qt'QInputDialog (./qt-2.1.0/src/dialogs/qinputdialog.h:41)
class Q_EXPORT QInputDialog : public QDialog
{
#if defined(_CC_MSVC_)
friend class QInputDialog;
#endif
Q_OBJECT
private:
enum Type { LineEdit, SpinBox, ComboBox, EditableComboBox };
QInputDialog( const QString &label, QWidget* parent = 0, const char* name = 0,
bool modal = TRUE, Type type = LineEdit );
~QInputDialog();
QLineEdit *lineEdit() const;
QSpinBox *spinBox() const;
QComboBox *comboBox() const;
QComboBox *editableComboBox() const;
void setType( Type t );
Type type() const;
public:
static QString getText( const QString &caption, const QString &label, const QString &text = QString::null,
bool *ok = 0, QWidget *parent = 0, const char *name = 0 );
static int getInteger( const QString &caption, const QString &label, int num = 0, int from = -2147483647,
int to = 2147483647,
int step = 1, bool *ok = 0, QWidget *parent = 0, const char *name = 0 );
static double getDouble( const QString &caption, const QString &label, double num = 0,
double from = -2147483647, double to = 2147483647,
int step = 1, bool *ok = 0, QWidget *parent = 0, const char *name = 0 );
static QString getItem( const QString &caption, const QString &label, const QStringList &list,
int current = 0, bool editable = TRUE,
bool *ok = 0, QWidget *parent = 0, const char *name = 0 );
private slots:
void textChanged( const QString &s );
void tryAccept();
private:
QInputDialogPrivate *d;
// just to avoid warnings...
friend class QInputDialogPrivate;
private: // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
QInputDialog( const QInputDialog & );
QInputDialog &operator=( const QInputDialog & );
#endif
};
qt'QInputDialog::QInputDialog() (./qt-2.1.0/src/dialogs/qinputdialog.cpp:109)
QInputDialog::QInputDialog( const QString &label, QWidget* parent, const char* name,
bool modal, Type type)
: QDialog( parent, name, modal )
{
d = new QInputDialogPrivate;
d->lineEdit = 0;
d->spinBox = 0;
d->comboBox = 0;
QVBoxLayout *vbox = new QVBoxLayout( this, 6, 6 );
QLabel* l = new QLabel( label, this );
vbox->addWidget( l );
d->stack = new QWidgetStack( this );
vbox->addWidget( d->stack );
d->lineEdit = new QLineEdit( d->stack );
d->spinBox = new QSpinBox( d->stack );
d->comboBox = new QComboBox( FALSE, d->stack );
d->editComboBox = new QComboBox( TRUE, d->stack );
QHBoxLayout *hbox = new QHBoxLayout( 6 );
vbox->addLayout( hbox, AlignRight );
d->ok = new QPushButton( tr( "&OK" ), this );
d->ok->setDefault( TRUE );
QPushButton *cancel = new QPushButton( tr( "&Cancel" ), this );
QSize bs( d->ok->sizeHint() );
if ( cancel->sizeHint().width() > bs.width() )
bs.setWidth( cancel->sizeHint().width() );
d->ok->setFixedSize( bs );
cancel->setFixedSize( bs );
hbox->addWidget( new QWidget( this ) );
hbox->addWidget( d->ok );
hbox->addWidget( cancel );
connect( d->lineEdit, SIGNAL( returnPressed() ),
this, SLOT( tryAccept() ) );
connect( d->lineEdit, SIGNAL( textChanged( const QString & ) ),
this, SLOT( textChanged( const QString & ) ) );
connect( d->ok, SIGNAL( clicked() ), this, SLOT( accept() ) );
connect( cancel, SIGNAL( clicked() ), this, SLOT( reject() ) );
resize( QMAX( sizeHint().width(), 400 ), sizeHint().height() );
setType( type );
}
/*!
Returns the line edit, which is used in the LineEdit mode
*/
qt'QInputDialog::lineEdit() (./qt-2.1.0/src/dialogs/qinputdialog.cpp:165)
QLineEdit *QInputDialog::lineEdit() const
{
return d->lineEdit;
}
/*!
Returns the spinbox, which is used in the SpinBox mode
*/
qt'QInputDialog::spinBox() (./qt-2.1.0/src/dialogs/qinputdialog.cpp:174)
QSpinBox *QInputDialog::spinBox() const
{
return d->spinBox;
}
/*!
Returns the combobox, which is used in the ComboBox mode
*/
qt'QInputDialog::comboBox() (./qt-2.1.0/src/dialogs/qinputdialog.cpp:183)
QComboBox *QInputDialog::comboBox() const
{
return d->comboBox;
}
/*!
Returns the combobox, which is used in the EditableComboBox mode
*/
qt'QInputDialog::editableComboBox() (./qt-2.1.0/src/dialogs/qinputdialog.cpp:192)
QComboBox *QInputDialog::editableComboBox() const
{
return d->editComboBox;
}
/*!
Sets the input type of the dialog to \a t.
*/
qt'QInputDialog::setType() (./qt-2.1.0/src/dialogs/qinputdialog.cpp:201)
void QInputDialog::setType( Type t )
{
switch ( t ) {
case LineEdit:
d->stack->raiseWidget( d->lineEdit );
d->lineEdit->setFocus();
break;
case SpinBox:
d->stack->raiseWidget( d->spinBox );
d->spinBox->setFocus();
break;
case ComboBox:
d->stack->raiseWidget( d->comboBox );
d->comboBox->setFocus();
break;
case EditableComboBox:
d->stack->raiseWidget( d->editComboBox );
d->editComboBox->setFocus();
break;
}
d->type = t;
}
/*!
Returns the input type of the dialog.
\sa setType()
*/
QInputDialog::Type QInputDialog::type() const
{
return d->type;
}
/*!
Destructor.
*/
qt'QInputDialog::~QInputDialog() (./qt-2.1.0/src/dialogs/qinputdialog.cpp:240)
QInputDialog::~QInputDialog()
{
delete d;
}
/*!
Static convenience function to get a textual input from the user. \a caption is the text
which is displayed in the title bar of the dialog. \a label is the text which
is shown to the user (it should mention to the user what he/she should input), \a text
the default text which will be initially set to the line edit, \a ok a pointer to
a bool which will be (if not 0!) set to TRUE if the user pressed ok or to FALSE if the
user pressed cancel, \a parent the parent widget of the dialog and \a name
the name of it. The dialogs pops up modally!
This method returns the text which has been entered in the line edit.
You will use this static method like this:
\code
bool ok = FALSE;
QString text = QInputDialog::getText( tr( "Please enter your name" ), QString::null, &ok, this );
if ( ok && !text.isEmpty() )
;// user entered something and pressed ok
else
;// user entered nothing or pressed cancel
\endcode
*/
qt'QInputDialog::getText() (./qt-2.1.0/src/dialogs/qinputdialog.cpp:268)
QString QInputDialog::getText( const QString &caption, const QString &label, const QString &text,
bool *ok, QWidget *parent, const char *name )
{
QInputDialog *dlg = new QInputDialog( label, parent, name, TRUE, LineEdit );
dlg->setCaption( caption );
dlg->lineEdit()->setText( text );
if ( !text.isEmpty() )
dlg->lineEdit()->selectAll();
bool ok_ = FALSE;
QString result;
ok_ = dlg->exec() == QDialog::Accepted;
if ( ok )
*ok = ok_;
if ( ok_ )
result = dlg->lineEdit()->text();
delete dlg;
return result;
}
/*!
Static convenience function to get an integral input from the user. \a caption is the text
which is displayed in the title bar of the dialog. \a label is the text which
is shown to the user (it should mention to the user what he/she should input), \a num
the default number which will be initially set to the spinbox, \a from and \a to the
range in which the entered number has to be, \a step the step in which the number can
be increased/decreased by the spinbox, \a ok a pointer to
a bool which will be (if not 0!) set to TRUE if the user pressed ok or to FALSE if the
user pressed cancel, \a parent the parent widget of the dialog and \a name
the name of it. The dialogs pops up modally!
This method returns the number which has been entered by the user.
You will use this static method like this:
\code
bool ok = FALSE;
int res = QInputDialog::getInteger( tr( "Please enter a number" ), 22, 0, 1000, 2, &ok, this );
if ( ok )
;// user entered something and pressed ok
else
;// user pressed cancel
\endcode
*/
qt'QInputDialog::getInteger() (./qt-2.1.0/src/dialogs/qinputdialog.cpp:314)
int QInputDialog::getInteger( const QString &caption, const QString &label, int num, int from, int to, int step,
bool *ok, QWidget *parent, const char *name )
{
QInputDialog *dlg = new QInputDialog( label, parent, name, TRUE, SpinBox );
dlg->setCaption( caption );
dlg->spinBox()->setRange( from, to );
dlg->spinBox()->setSteps( step, 0 );
dlg->spinBox()->setValue( num );
bool ok_ = FALSE;
int result;
ok_ = dlg->exec() == QDialog::Accepted;
if ( ok )
*ok = ok_;
result = dlg->spinBox()->value();
delete dlg;
return result;
}
/*!
Static convenience function to get a decimal input from the user. \a caption is the text
which is displayed in the title bar of the dialog. \a label is the text which
is shown to the user (it should mention to the user what he/she should input), \a num
the default decimal number which will be initially set to the line edit, \a from and \a to the
range in which the entered number has to be, \a decimals the number of decimal which
the number may have, \a ok a pointer to
a bool which will be (if not 0!) set to TRUE if the user pressed ok or to FALSE if the
user pressed cancel, \a parent the parent widget of the dialog and \a name
the name of it. The dialogs pops up modally!
This method returns the number which has been entered by the user.
You will use this static method like this:
\code
bool ok = FALSE;
double res = QInputDialog::getDouble( tr( "Please enter a decimal number" ), 33.7, 0, 1000, 2, &ok, this );
if ( ok )
;// user entered something and pressed ok
else
;// user pressed cancel
\endcode
*/
qt'QInputDialog::getDouble() (./qt-2.1.0/src/dialogs/qinputdialog.cpp:359)
double QInputDialog::getDouble( const QString &caption, const QString &label, double num,
double from, double to, int decimals,
bool *ok, QWidget *parent, const char *name )
{
QInputDialog *dlg = new QInputDialog( label, parent, name, TRUE, LineEdit );
dlg->setCaption( caption );
dlg->lineEdit()->setValidator( new QDoubleValidator( from, to, decimals, dlg->lineEdit() ) );
dlg->lineEdit()->setText( QString::number( num ) );
dlg->lineEdit()->selectAll();
bool ok_ = FALSE;
double result;
ok_ = dlg->exec() == QDialog::Accepted;
if ( ok )
*ok = ok_;
result = dlg->lineEdit()->text().toDouble();
delete dlg;
return result;
}
/*!
Static convenience function to let the user select an item from a string list. \a caption is the text
which is displayed in the title bar of the dialog. \a label is the text which
is shown to the user (it should mention to the user what he/she should input), \a list the
string list which is inserted into the combobox, \a current the nimber of the item which should
be initially the current item, \a editable specifies if the combobox should be editable (if it is TRUE)
or readonly (if \a editable is FALSE), \a ok a pointer to
a bool which will be (if not 0!) set to TRUE if the user pressed ok or to FALSE if the
user pressed cancel, \a parent the parent widget of the dialog and \a name
the name of it. The dialogs pops up modally!
This method returns the text of the current item, or if \a editable was TRUE, the current
text of the combobox.
You will use this static method like this:
\code
QStringList lst;
lst << "First" << "Second" << "Third" << "Fourth" << "Fifth";
bool ok = FALSE;
QString res = QInputDialog::getItem( tr( "Please select an item" ), lst, 1, TRUE, &ok, this );
if ( ok )
;// user selected an item and pressed ok
else
;// user pressed cancel
\endcode
*/
qt'QInputDialog::getItem() (./qt-2.1.0/src/dialogs/qinputdialog.cpp:408)
QString QInputDialog::getItem( const QString &caption, const QString &label, const QStringList &list,
int current, bool editable,
bool *ok, QWidget *parent, const char *name )
{
QInputDialog *dlg = new QInputDialog( label, parent, name, TRUE, editable ? EditableComboBox : ComboBox );
dlg->setCaption( caption );
if ( editable ) {
dlg->editableComboBox()->insertStringList( list );
dlg->editableComboBox()->setCurrentItem( current );
} else {
dlg->comboBox()->insertStringList( list );
dlg->comboBox()->setCurrentItem( current );
}
bool ok_ = FALSE;
QString result;
ok_ = dlg->exec() == QDialog::Accepted;
if ( ok )
*ok = ok_;
if ( editable )
result = dlg->editableComboBox()->currentText();
else
result = dlg->comboBox()->currentText();
delete dlg;
return result;
}
/*!
\internal
*/
qt'QInputDialog::textChanged() (./qt-2.1.0/src/dialogs/qinputdialog.cpp:440)
void QInputDialog::textChanged( const QString &s )
{
d->ok->setEnabled( !s.isEmpty() );
}
/*!
\internal
*/
qt'QInputDialog::tryAccept() (./qt-2.1.0/src/dialogs/qinputdialog.cpp:449)
void QInputDialog::tryAccept()
{
if ( !d->lineEdit->text().isEmpty() )
accept();
}