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/****************************************************************************
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**
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** Implementation of TQInputDialog class
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**
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** Created : 991212
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the dialogs module of the TQt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free TQt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
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** included in the packaging of this file. Licensees holding valid TQt
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** Commercial licenses may use this file in accordance with the TQt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#include "ntqinputdialog.h"
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#ifndef QT_NO_INPUTDIALOG
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#include "ntqlayout.h"
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#include "ntqlabel.h"
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#include "ntqlineedit.h"
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#include "ntqpushbutton.h"
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#include "ntqspinbox.h"
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#include "ntqcombobox.h"
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#include "ntqwidgetstack.h"
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#include "ntqvalidator.h"
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#include "ntqapplication.h"
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class TQInputDialogPrivate
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{
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public:
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friend class TQInputDialog;
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TQLabel *label;
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TQLineEdit *lineEdit;
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TQSpinBox *spinBox;
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TQComboBox *comboBox, *editComboBox;
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TQPushButton *ok;
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TQWidgetStack *stack;
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TQInputDialog::Type type;
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};
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/*!
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\class TQInputDialog
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\brief The TQInputDialog class provides a simple convenience dialog to get a single value from the user.
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\ingroup dialogs
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\mainclass
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The input value can be a string, a number or an item from a list. A
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label must be set to tell the user what they should enter.
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Four static convenience functions are provided:
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getText(), getInteger(), getDouble() and getItem(). All the
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functions can be used in a similar way, for example:
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\code
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bool ok;
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TQString text = TQInputDialog::getText(
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"MyApp 3000", "Enter your name:", TQLineEdit::Normal,
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TQString::null, &ok, this );
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if ( ok && !text.isEmpty() ) {
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// user entered something and pressed OK
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} else {
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// user entered nothing or pressed Cancel
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}
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\endcode
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\img inputdialogs.png Input Dialogs
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*/
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/*!
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\enum TQInputDialog::Type
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This enum specifies the type of the dialog, i.e. what kind of data you
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want the user to input:
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\value LineEdit A TQLineEdit is used for obtaining string or numeric
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input. The TQLineEdit can be accessed using lineEdit().
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\value SpinBox A TQSpinBox is used for obtaining integer input.
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Use spinBox() to access the TQSpinBox.
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\value ComboBox A read-only TQComboBox is used to provide a fixed
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list of choices from which the user can choose.
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Use comboBox() to access the TQComboBox.
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\value EditableComboBox An editable TQComboBox is used to provide a fixed
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list of choices from which the user can choose, but which also
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allows the user to enter their own value instead.
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Use editableComboBox() to access the TQComboBox.
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*/
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/*!
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Constructs the dialog. The \a label is the text which is shown to the user
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(it should tell the user what they are expected to enter). The \a parent
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is the dialog's parent widget. The widget is called \a name. If \a
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modal is TRUE (the default) the dialog will be modal. The \a type
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parameter is used to specify which type of dialog to construct.
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\sa getText(), getInteger(), getDouble(), getItem()
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*/
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TQInputDialog::TQInputDialog( const TQString &label, TQWidget* parent,
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const char* name, bool modal, Type type )
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: TQDialog( parent, name, modal )
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{
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d = new TQInputDialogPrivate;
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d->lineEdit = 0;
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d->spinBox = 0;
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d->comboBox = 0;
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TQVBoxLayout *vbox = new TQVBoxLayout( this, 6, 6 );
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d->label = new TQLabel( label, this, "qt_inputdlg_lbl" );
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vbox->addWidget( d->label );
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d->stack = new TQWidgetStack( this, "qt_inputdlg_ws" );
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vbox->addWidget( d->stack );
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d->lineEdit = new TQLineEdit( d->stack, "qt_inputdlg_le" );
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d->spinBox = new TQSpinBox( d->stack, "qt_inputdlg_sb" );
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d->comboBox = new TQComboBox( FALSE, d->stack, "qt_inputdlg_cb" );
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d->editComboBox = new TQComboBox( TRUE, d->stack, "qt_inputdlg_editcb" );
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TQHBoxLayout *hbox = new TQHBoxLayout( 6 );
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vbox->addLayout( hbox, AlignRight );
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d->ok = new TQPushButton( tr( "OK" ), this, "qt_ok_btn" );
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d->ok->setDefault( TRUE );
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TQPushButton *cancel = new TQPushButton( tr( "Cancel" ), this, "qt_cancel_btn" );
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TQSize bs = d->ok->sizeHint().expandedTo( cancel->sizeHint() );
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d->ok->setFixedSize( bs );
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cancel->setFixedSize( bs );
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hbox->addStretch();
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hbox->addWidget( d->ok );
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hbox->addWidget( cancel );
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connect( d->lineEdit, SIGNAL( returnPressed() ),
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this, SLOT( tryAccept() ) );
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connect( d->lineEdit, SIGNAL( textChanged(const TQString&) ),
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this, SLOT( textChanged(const TQString&) ) );
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connect( d->ok, SIGNAL( clicked() ), this, SLOT( accept() ) );
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connect( cancel, SIGNAL( clicked() ), this, SLOT( reject() ) );
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TQSize sh = sizeHint().expandedTo( TQSize(400, 10) );
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setType( type );
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resize( sh.width(), vbox->heightForWidth(sh.width()) );
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}
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/*!
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Returns the line edit which is used in LineEdit mode.
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*/
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TQLineEdit *TQInputDialog::lineEdit() const
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{
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return d->lineEdit;
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}
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/*!
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Returns the spinbox which is used in SpinBox mode.
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*/
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TQSpinBox *TQInputDialog::spinBox() const
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{
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return d->spinBox;
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}
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/*!
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Returns the combobox which is used in ComboBox mode.
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*/
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TQComboBox *TQInputDialog::comboBox() const
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{
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return d->comboBox;
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}
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/*!
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Returns the combobox which is used in EditableComboBox mode.
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*/
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TQComboBox *TQInputDialog::editableComboBox() const
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{
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return d->editComboBox;
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}
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/*!
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Sets the input type of the dialog to \a t.
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*/
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void TQInputDialog::setType( Type t )
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{
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TQWidget *input = 0;
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switch ( t ) {
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case LineEdit:
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input = d->lineEdit;
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break;
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case SpinBox:
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input = d->spinBox;
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break;
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case ComboBox:
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input = d->comboBox;
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break;
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case EditableComboBox:
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input = d->editComboBox;
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break;
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default:
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#if defined(QT_CHECK_STATE)
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qWarning( "TQInputDialog::setType: Invalid type" );
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#endif
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break;
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}
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if ( input ) {
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d->stack->raiseWidget( input );
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d->stack->setFixedHeight( input->sizeHint().height() );
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input->setFocus();
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#ifndef QT_NO_ACCEL
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d->label->setBuddy( input );
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#endif
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}
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d->type = t;
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}
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/*!
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Returns the input type of the dialog.
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\sa setType()
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*/
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TQInputDialog::Type TQInputDialog::type() const
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{
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return d->type;
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}
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/*!
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Destructor.
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*/
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TQInputDialog::~TQInputDialog()
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{
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delete d;
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}
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/*!
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Static convenience function to get a string from the user. \a
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caption is the text which is displayed in the title bar of the
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dialog. \a label is the text which is shown to the user (it should
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say what should be entered). \a text is the default text which is
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placed in the line edit. The \a mode is the echo mode the line edit
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will use. If \a ok is not-null \e *\a ok will be set to TRUE if the
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user pressed OK and to FALSE if the user pressed Cancel. The
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dialog's parent is \a parent; the dialog is called \a name. The
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dialog will be modal.
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This function returns the text which has been entered in the line
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edit. It will not return an empty string.
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Use this static function like this:
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\code
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bool ok;
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TQString text = TQInputDialog::getText(
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"MyApp 3000", "Enter your name:", TQLineEdit::Normal,
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TQString::null, &ok, this );
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if ( ok && !text.isEmpty() ) {
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// user entered something and pressed OK
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} else {
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// user entered nothing or pressed Cancel
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}
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\endcode
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*/
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TQString TQInputDialog::getText( const TQString &caption, const TQString &label,
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TQLineEdit::EchoMode mode, const TQString &text,
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bool *ok, TQWidget *parent, const char *name )
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{
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TQInputDialog *dlg = new TQInputDialog( label, parent,
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name ? name : "qt_inputdlg_gettext",
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TRUE, LineEdit );
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#ifndef QT_NO_WIDGET_TOPEXTRA
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dlg->setCaption( caption );
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#endif
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dlg->lineEdit()->setText( text );
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dlg->lineEdit()->setEchoMode( mode );
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bool ok_ = FALSE;
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TQString result;
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ok_ = dlg->exec() == TQDialog::Accepted;
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if ( ok )
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*ok = ok_;
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if ( ok_ )
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result = dlg->lineEdit()->text();
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delete dlg;
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return result;
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}
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/*!
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Static convenience function to get an integer input from the
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user. \a caption is the text which is displayed in the title bar
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of the dialog. \a label is the text which is shown to the user
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(it should say what should be entered). \a value is the default
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integer which the spinbox will be set to. \a minValue and \a
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maxValue are the minimum and maximum values the user may choose,
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and \a step is the amount by which the values change as the user
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presses the arrow buttons to increment or decrement the value.
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If \a ok is not-null *\a ok will be set to TRUE if the user
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pressed OK and to FALSE if the user pressed Cancel. The dialog's
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parent is \a parent; the dialog is called \a name. The dialog will
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be modal.
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This function returns the integer which has been entered by the user.
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Use this static function like this:
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\code
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bool ok;
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int res = TQInputDialog::getInteger(
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"MyApp 3000", "Enter a number:", 22, 0, 1000, 2,
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&ok, this );
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if ( ok ) {
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// user entered something and pressed OK
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} else {
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// user pressed Cancel
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}
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\endcode
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*/
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int TQInputDialog::getInteger( const TQString &caption, const TQString &label,
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int value, int minValue, int maxValue, int step, bool *ok,
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TQWidget *parent, const char *name )
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{
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TQInputDialog *dlg = new TQInputDialog( label, parent,
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name ? name : "qt_inputdlg_getint",
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TRUE, SpinBox );
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#ifndef QT_NO_WIDGET_TOPEXTRA
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dlg->setCaption( caption );
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#endif
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dlg->spinBox()->setRange( minValue, maxValue );
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dlg->spinBox()->setSteps( step, 0 );
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dlg->spinBox()->setValue( value );
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bool ok_ = FALSE;
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int result;
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ok_ = dlg->exec() == TQDialog::Accepted;
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if ( ok )
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*ok = ok_;
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result = dlg->spinBox()->value();
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delete dlg;
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return result;
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}
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/*!
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Static convenience function to get a floating point number from
|
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the user. \a caption is the text which is displayed in the title
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|
bar of the dialog. \a label is the text which is shown to the user
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|
(it should say what should be entered). \a value is the default
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|
floating point number that the line edit will be set to. \a
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minValue and \a maxValue are the minimum and maximum values the
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user may choose, and \a decimals is the maximum number of decimal
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|
places the number may have.
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If \a ok is not-null \e *\a ok will be set to TRUE if the user
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pressed OK and to FALSE if the user pressed Cancel. The dialog's
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parent is \a parent; the dialog is called \a name. The dialog will
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be modal.
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This function returns the floating point number which has been
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entered by the user.
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Use this static function like this:
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\code
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bool ok;
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double res = TQInputDialog::getDouble(
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"MyApp 3000", "Enter a decimal number:", 33.7, 0,
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1000, 2, &ok, this );
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if ( ok ) {
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// user entered something and pressed OK
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} else {
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// user pressed Cancel
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}
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\endcode
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*/
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double TQInputDialog::getDouble( const TQString &caption, const TQString &label,
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double value, double minValue, double maxValue,
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int decimals, bool *ok, TQWidget *parent,
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|
const char *name )
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|
{
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TQInputDialog dlg( label, parent,
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name ? name : "qt_inputdlg_getdbl", TRUE, LineEdit );
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|
#ifndef QT_NO_WIDGET_TOPEXTRA
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dlg.setCaption( caption );
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#endif
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dlg.lineEdit()->setValidator( new TQDoubleValidator( minValue, maxValue, decimals, dlg.lineEdit() ) );
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dlg.lineEdit()->setText( TQString::number( value, 'f', decimals ) );
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dlg.lineEdit()->selectAll();
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bool accepted = ( dlg.exec() == TQDialog::Accepted );
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|
if ( ok )
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|
*ok = accepted;
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|
return dlg.lineEdit()->text().toDouble();
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}
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|
/*!
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|
Static convenience function to let the user select an item from a
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|
|
string list. \a caption is the text which is displayed in the title
|
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|
|
bar of the dialog. \a label is the text which is shown to the user (it
|
|
|
|
should say what should be entered). \a list is the
|
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|
|
string list which is inserted into the combobox, and \a current is the number
|
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|
|
of the item which should be the current item. If \a editable is TRUE
|
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|
|
the user can enter their own text; if \a editable is FALSE the user
|
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|
|
may only select one of the existing items.
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|
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|
If \a ok is not-null \e *\a ok will be set to TRUE if the user
|
|
|
|
pressed OK and to FALSE if the user pressed Cancel. The dialog's
|
|
|
|
parent is \a parent; the dialog is called \a name. The dialog will
|
|
|
|
be modal.
|
|
|
|
|
|
|
|
This function returns the text of the current item, or if \a
|
|
|
|
editable is TRUE, the current text of the combobox.
|
|
|
|
|
|
|
|
Use this static function like this:
|
|
|
|
|
|
|
|
\code
|
|
|
|
TQStringList lst;
|
|
|
|
lst << "First" << "Second" << "Third" << "Fourth" << "Fifth";
|
|
|
|
bool ok;
|
|
|
|
TQString res = TQInputDialog::getItem(
|
|
|
|
"MyApp 3000", "Select an item:", lst, 1, TRUE, &ok,
|
|
|
|
this );
|
|
|
|
if ( ok ) {
|
|
|
|
// user selected an item and pressed OK
|
|
|
|
} else {
|
|
|
|
// user pressed Cancel
|
|
|
|
}
|
|
|
|
\endcode
|
|
|
|
*/
|
|
|
|
|
|
|
|
TQString TQInputDialog::getItem( const TQString &caption, const TQString &label, const TQStringList &list,
|
|
|
|
int current, bool editable,
|
|
|
|
bool *ok, TQWidget *parent, const char *name )
|
|
|
|
{
|
|
|
|
TQInputDialog *dlg = new TQInputDialog( label, parent, name ? name : "qt_inputdlg_getitem", TRUE, editable ? EditableComboBox : ComboBox );
|
|
|
|
#ifndef QT_NO_WIDGET_TOPEXTRA
|
|
|
|
dlg->setCaption( caption );
|
|
|
|
#endif
|
|
|
|
if ( editable ) {
|
|
|
|
dlg->editableComboBox()->insertStringList( list );
|
|
|
|
dlg->editableComboBox()->setCurrentItem( current );
|
|
|
|
} else {
|
|
|
|
dlg->comboBox()->insertStringList( list );
|
|
|
|
dlg->comboBox()->setCurrentItem( current );
|
|
|
|
}
|
|
|
|
|
|
|
|
bool ok_ = FALSE;
|
|
|
|
TQString result;
|
|
|
|
ok_ = dlg->exec() == TQDialog::Accepted;
|
|
|
|
if ( ok )
|
|
|
|
*ok = ok_;
|
|
|
|
if ( editable )
|
|
|
|
result = dlg->editableComboBox()->currentText();
|
|
|
|
else
|
|
|
|
result = dlg->comboBox()->currentText();
|
|
|
|
|
|
|
|
delete dlg;
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
\internal
|
|
|
|
|
|
|
|
This slot is invoked when the text is changed; the new text is passed
|
|
|
|
in \a s.
|
|
|
|
*/
|
|
|
|
|
|
|
|
void TQInputDialog::textChanged( const TQString &s )
|
|
|
|
{
|
|
|
|
bool on = TRUE;
|
|
|
|
|
|
|
|
if ( d->lineEdit->validator() ) {
|
|
|
|
TQString str = d->lineEdit->text();
|
|
|
|
int index = d->lineEdit->cursorPosition();
|
|
|
|
on = ( d->lineEdit->validator()->validate(str, index) ==
|
|
|
|
TQValidator::Acceptable );
|
|
|
|
} else if ( type() != LineEdit ) {
|
|
|
|
on = !s.isEmpty();
|
|
|
|
}
|
|
|
|
d->ok->setEnabled( on );
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
\internal
|
|
|
|
*/
|
|
|
|
|
|
|
|
void TQInputDialog::tryAccept()
|
|
|
|
{
|
|
|
|
if ( !d->lineEdit->text().isEmpty() )
|
|
|
|
accept();
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif
|