src/multipagewidget.cpp

   1 //
   2 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   3 // +                                                                      +
   4 // + This file is part of enGrid.                                         +
   5 // +                                                                      +
   6 // + Copyright 2008-2010 enGits GmbH                                     +
   7 // +                                                                      +
   8 // + enGrid is free software: you can redistribute it and/or modify       +
   9 // + it under the terms of the GNU General Public License as published by +
  10 // + the Free Software Foundation, either version 3 of the License, or    +
  11 // + (at your option) any later version.                                  +
  12 // +                                                                      +
  13 // + enGrid is distributed in the hope that it will be useful,            +
  14 // + but WITHOUT ANY WARRANTY; without even the implied warranty of       +
  15 // + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        +
  16 // + GNU General Public License for more details.                         +
  17 // +                                                                      +
  18 // + You should have received a copy of the GNU General Public License    +
  19 // + along with enGrid. If not, see <http://www.gnu.org/licenses/>.       +
  20 // +                                                                      +
  21 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  22 //
  23 /****************************************************************************
  24 **
  25 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
  26 ** Contact: Qt Software Information (qt-info@nokia.com)
  27 **
  28 ** This file is part of the example classes of the Qt Toolkit.
  29 **
  30 ** $QT_BEGIN_LICENSE:LGPL$
  31 ** Commercial Usage
  32 ** Licensees holding valid Qt Commercial licenses may use this file in
  33 ** accordance with the Qt Commercial License Agreement provided with the
  34 ** Software or, alternatively, in accordance with the terms contained in
  35 ** a written agreement between you and Nokia.
  36 **
  37 ** GNU Lesser General Public License Usage
  38 ** Alternatively, this file may be used under the terms of the GNU Lesser
  39 ** General Public License version 2.1 as published by the Free Software
  40 ** Foundation and appearing in the file LICENSE.LGPL included in the
  41 ** packaging of this file.  Please review the following information to
  42 ** ensure the GNU Lesser General Public License version 2.1 requirements
  43 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
  44 **
  45 ** In addition, as a special exception, Nokia gives you certain
  46 ** additional rights. These rights are described in the Nokia Qt LGPL
  47 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
  48 ** package.
  49 **
  50 ** GNU General Public License Usage
  51 ** Alternatively, this file may be used under the terms of the GNU
  52 ** General Public License version 3.0 as published by the Free Software
  53 ** Foundation and appearing in the file LICENSE.GPL included in the
  54 ** packaging of this file.  Please review the following information to
  55 ** ensure the GNU General Public License version 3.0 requirements will be
  56 ** met: http://www.gnu.org/copyleft/gpl.html.
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  58 ** If you are unsure which license is appropriate for your use, please
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  60 ** $QT_END_LICENSE$
  61 **
  62 ****************************************************************************/
  63
  64 #include <QtGui>
  65
  66 #include "multipagewidget.h"
  67
  68 MultiPageWidget::MultiPageWidget( QWidget *parent )
  69     : QWidget( parent )
  70 {
  71   comboBox = new QComboBox();
  72   comboBox->setObjectName( "__qt__passive_comboBox" );
  73   stackWidget = new QStackedWidget();
  74
  75   connect( comboBox, SIGNAL( activated( int ) ),
  76            this, SLOT( setCurrentIndex( int ) ) );
  77
  78   layout = new QVBoxLayout();
  79   layout->addWidget( comboBox );
  80   layout->addWidget( stackWidget );
  81   setLayout( layout );
  82 }
  83
  84 QSize MultiPageWidget::sizeHint() const
  85 {
  86   return QSize( 200, 150 );
  87 }
  88
  89 void MultiPageWidget::addPage( QWidget *page )
  90 {
  91   insertPage( count(), page );
  92 }
  93
  94 void MultiPageWidget::removePage( int index )
  95 {
  96   QWidget *widget = stackWidget->widget( index );
  97   stackWidget->removeWidget( widget );
  98
  99   comboBox->removeItem( index );
 100 }
 101
 102 int MultiPageWidget::count() const
 103 {
 104   return stackWidget->count();
 105 }
 106
 107 int MultiPageWidget::currentIndex() const
 108 {
 109   return stackWidget->currentIndex();
 110 }
 111
 112 void MultiPageWidget::insertPage( int index, QWidget *page )
 113 {
 114   page->setParent( stackWidget );
 115
 116   stackWidget->insertWidget( index, page );
 117
 118   QString title = page->windowTitle();
 119   if ( title.isEmpty() ) {
 120     title = tr( "Page %1" ).arg( comboBox->count() + 1 );
 121     page->setWindowTitle( title );
 122   }
 123   comboBox->insertItem( index, title );
 124 }
 125
 126 void MultiPageWidget::setCurrentIndex( int index )
 127 {
 128   if ( index != currentIndex() ) {
 129     stackWidget->setCurrentIndex( index );
 130     comboBox->setCurrentIndex( index );
 131     emit currentIndexChanged( index );
 132   }
 133 }
 134
 135 QWidget* MultiPageWidget::widget( int index )
 136 {
 137   return stackWidget->widget( index );
 138 }
 139
 140 QString MultiPageWidget::pageTitle() const
 141 {
 142   if ( const QWidget *currentWidget = stackWidget->currentWidget() )
 143     return currentWidget->windowTitle();
 144   return QString();
 145 }
 146
 147 void MultiPageWidget::setPageTitle( QString const &newTitle )
 148 {
 149   comboBox->setItemText( currentIndex(), newTitle );
 150   if ( QWidget *currentWidget = stackWidget->currentWidget() )
 151     currentWidget->setWindowTitle( newTitle );
 152   emit pageTitleChanged( newTitle );
 153 }
 154
 155 void MultiPageWidget::setPageTitle( QString const &newTitle, int index )
 156 {
 157   comboBox->setItemText( index, newTitle );
 158   if ( QWidget *widget = stackWidget-> widget( index ) )
 159     widget->setWindowTitle( newTitle );
 160   emit pageTitleChanged( newTitle );
 161 }