kdeui

klineeditdlg.cpp

00001 /* This file is part of the KDE libraries
00002    Copyright (C) 1999 Preston Brown <pbrown@kde.org>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License as published by the Free Software Foundation; either
00007    version 2 of the License, or (at your option) any later version.
00008 
00009    This library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Library General Public License for more details.
00013 
00014    You should have received a copy of the GNU Library General Public License
00015    along with this library; see the file COPYING.LIB.  If not, write to
00016    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017    Boston, MA 02110-1301, USA.
00018 */
00019 #include <config.h>
00020 
00021 #include <qvalidator.h>
00022 #include <qpushbutton.h>
00023 #include <qlineedit.h>
00024 #include <qlabel.h>
00025 #include <qlayout.h>
00026 #undef Unsorted // Required for --enable-final (qdir.h)
00027 #include <qfiledialog.h>
00028 
00029 #include <kbuttonbox.h>
00030 #include <klocale.h>
00031 #include <kapplication.h>
00032 #include <klineedit.h>
00033 #include <kstdguiitem.h>
00034 
00035 #include "klineeditdlg.h"
00036 
00037 KLineEditDlg::KLineEditDlg( const QString&_text, const QString& _value,
00038                 QWidget *parent )
00039   : KDialogBase( Plain, QString::null, Ok|Cancel|User1, Ok, parent, 0L, true,
00040          true, KStdGuiItem::clear() )
00041 {
00042   QVBoxLayout *topLayout = new QVBoxLayout( plainPage(), 0, spacingHint() );
00043   QLabel *label = new QLabel(_text, plainPage() );
00044   topLayout->addWidget( label, 1 );
00045 
00046   edit = new KLineEdit( plainPage(), 0L );
00047   edit->setMinimumWidth(edit->sizeHint().width() * 3);
00048   label->setBuddy(edit);  // please "scheck" style
00049   //  connect( edit, SIGNAL(returnPressed()), SLOT(accept()) );
00050   connect( edit, SIGNAL(textChanged(const QString&)),
00051        SLOT(slotTextChanged(const QString&)) );
00052   topLayout->addWidget( edit, 1 );
00053 
00054   connect( this, SIGNAL(user1Clicked()), this, SLOT(slotClear()) );
00055   edit->setText( _value );
00056   if ( _value.isEmpty() )
00057   {
00058       enableButtonOK( false );
00059       enableButton(KDialogBase::User1, false);
00060   }
00061   edit->setSelection(0, edit->text().length());
00062   edit->setFocus();
00063 }
00064 
00065 
00066 
00067 #if 0
00068 KLineEditDlg::KLineEditDlg( const QString&_text, const QString& _value,
00069                 QWidget *parent, bool _file_mode )
00070     : QDialog( parent, 0L, true )
00071 {
00072   QGridLayout *layout = new QGridLayout(this, 4, 3, 10);
00073 
00074   QLabel *label = new QLabel(_text, this);
00075   layout->addWidget(label, 0, 0, AlignLeft);
00076 
00077   edit = new KLineEdit( this, 0L );
00078   edit->setMinimumWidth(edit->sizeHint().width() * 3);
00079   connect( edit, SIGNAL(returnPressed()), SLOT(accept()) );
00080 
00081   if ( _file_mode ) {
00082     completion = new KURLCompletion();
00083     edit->setCompletionObject( completion );
00084     edit->setAutoDeleteCompletionObject( true );
00085   } else
00086     completion = 0L;
00087 
00088   layout->addMultiCellWidget(edit, 1, 1, 0, _file_mode ? 1 : 2);
00089   layout->setColStretch(1, 1);
00090 
00091   if (_file_mode) {
00092     QPushButton *browse = new QPushButton(i18n("&Browse..."), this);
00093     layout->addWidget(browse, 1, 2, AlignCenter);
00094     connect(browse, SIGNAL(clicked()),
00095         SLOT(slotBrowse()));
00096   }
00097 
00098   QFrame *hLine = new QFrame(this);
00099   hLine->setFrameStyle(QFrame::Sunken|QFrame::HLine);
00100   layout->addMultiCellWidget(hLine, 2, 2, 0, 2);
00101 
00102   KButtonBox *bBox = new KButtonBox(this);
00103   layout->addMultiCellWidget(bBox, 3, 3, 0, 2);
00104 
00105   QPushButton *ok = bBox->addButton(KStdGuiItem::ok());
00106   ok->setDefault(true);
00107   connect( ok, SIGNAL(clicked()), SLOT(accept()));
00108 
00109   bBox->addStretch(1);
00110 
00111   QPushButton *clear = bBox->addButton(KStdGuiItem::clear());
00112   connect( clear, SIGNAL(clicked()), SLOT(slotClear()));
00113 
00114   bBox->addStretch(1);
00115 
00116   QPushButton *cancel = bBox->addButton(KStdGuiItem::cancel());
00117   connect( cancel, SIGNAL(clicked()), SLOT(reject()));
00118 
00119   bBox->layout();
00120 
00121   layout->activate();
00122 
00123   edit->setText( _value );
00124   edit->setSelection(0, edit->text().length());
00125   edit->setFocus();
00126 }
00127 #endif
00128 
00129 
00130 KLineEditDlg::~KLineEditDlg()
00131 {
00132 }
00133 
00134 void KLineEditDlg::slotClear()
00135 {
00136     edit->setText(QString::null);
00137 }
00138 
00139 void KLineEditDlg::slotTextChanged(const QString &text)
00140 {
00141   bool on;
00142   if ( edit->validator() ) {
00143     QString str = edit->text();
00144     int index = edit->cursorPosition();
00145     on = ( edit->validator()->validate( str, index )
00146        == QValidator::Acceptable );
00147   } else {
00148     on = !text.isEmpty();
00149   }
00150   enableButtonOK( on );
00151   enableButton(KDialogBase::User1, text.length());
00152 }
00153 
00154 QString KLineEditDlg::text() const
00155 {
00156     return edit->text();
00157 }
00158 
00159 QString KLineEditDlg::getText(const QString &_text, const QString& _value,
00160                               bool *ok, QWidget *parent, QValidator *_validator )
00161 {
00162     KLineEditDlg dlg(_text, _value, parent );
00163     dlg.lineEdit()->setValidator( _validator );
00164     dlg.slotTextChanged( _value ); // trigger validation
00165 
00166     bool ok_ = dlg.exec() == QDialog::Accepted;
00167     if ( ok )
00168         *ok = ok_;
00169     if ( ok_ )
00170         return dlg.text();
00171     return QString::null;
00172 }
00173 
00174 QString KLineEditDlg::getText(const QString &_caption, const QString &_text,
00175                               const QString& _value,
00176                               bool *ok, QWidget *parent, QValidator *_validator )
00177 {
00178     KLineEditDlg dlg( _text, _value, parent );
00179     dlg.setCaption( _caption );
00180     dlg.lineEdit()->setValidator( _validator );
00181     dlg.slotTextChanged( _value ); // trigger validation
00182 
00183     bool ok_ = dlg.exec() == QDialog::Accepted;
00184     if ( ok )
00185         *ok = ok_;
00186     if ( ok_ )
00187         return dlg.text();
00188     return QString::null;
00189 }
00190 
00191 void KLineEditDlg::virtual_hook( int id, void* data )
00192 { KDialogBase::virtual_hook( id, data ); }
00193 
00194 #include "klineeditdlg.moc"
kdeui

klineeditdlg.cpp

kdeui

API Reference
