src/libengrid/multipagewidget.cpp

   1 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   2 // +                                                                      +
   3 // + This file is part of enGrid.                                         +
   4 // +                                                                      +
   5 // + Copyright 2008-2014 enGits GmbH                                      +
   6 // +                                                                      +
   7 // + enGrid is free software: you can redistribute it and/or modify       +
   8 // + it under the terms of the GNU General Public License as published by +
   9 // + the Free Software Foundation, either version 3 of the License, or    +
  10 // + (at your option) any later version.                                  +
  11 // +                                                                      +
  12 // + enGrid is distributed in the hope that it will be useful,            +
  13 // + but WITHOUT ANY WARRANTY; without even the implied warranty of       +
  14 // + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        +
  15 // + GNU General Public License for more details.                         +
  16 // +                                                                      +
  17 // + You should have received a copy of the GNU General Public License    +
  18 // + along with enGrid. If not, see <http://www.gnu.org/licenses/>.       +
  19 // +                                                                      +
  20 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  21 /****************************************************************************
  22 **
  23 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
  24 ** Contact: Qt Software Information (qt-info@nokia.com)
  25 **
  26 ** This file is part of the example classes of the Qt Toolkit.
  27 **
  28 ** $QT_BEGIN_LICENSE:LGPL$
  29 ** Commercial Usage
  30 ** Licensees holding valid Qt Commercial licenses may use this file in
  31 ** accordance with the Qt Commercial License Agreement provided with the
  32 ** Software or, alternatively, in accordance with the terms contained in
  33 ** a written agreement between you and Nokia.
  34 **
  35 ** GNU Lesser General Public License Usage
  36 ** Alternatively, this file may be used under the terms of the GNU Lesser
  37 ** General Public License version 2.1 as published by the Free Software
  38 ** Foundation and appearing in the file LICENSE.LGPL included in the
  39 ** packaging of this file.  Please review the following information to
  40 ** ensure the GNU Lesser General Public License version 2.1 requirements
  41 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
  42 **
  43 ** In addition, as a special exception, Nokia gives you certain
  44 ** additional rights. These rights are described in the Nokia Qt LGPL
  45 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
  46 ** package.
  47 **
  48 ** GNU General Public License Usage
  49 ** Alternatively, this file may be used under the terms of the GNU
  50 ** General Public License version 3.0 as published by the Free Software
  51 ** Foundation and appearing in the file LICENSE.GPL included in the
  52 ** packaging of this file.  Please review the following information to
  53 ** ensure the GNU General Public License version 3.0 requirements will be
  54 ** met: http://www.gnu.org/copyleft/gpl.html.
  55 **
  56 ** If you are unsure which license is appropriate for your use, please
  57 ** contact the sales department at qt-sales@nokia.com.
  58 ** $QT_END_LICENSE$
  59 **
  60 ****************************************************************************/
  61
  62 #include <QtGui>
  63 #include <QComboBox>
  64 #include <QStackedWidget>
  65 #include <QVBoxLayout>
  66
  67 #include "multipagewidget.h"
  68
  69 MultiPageWidget::MultiPageWidget( QWidget *parent )
  70     : QWidget( parent )
  71 {
  72   comboBox = new QComboBox();
  73   comboBox->setObjectName( "__qt__passive_comboBox" );
  74   stackWidget = new QStackedWidget();
  75
  76   connect( comboBox, SIGNAL( activated( int ) ),
  77            this, SLOT( setCurrentIndex( int ) ) );
  78
  79   layout = new QVBoxLayout();
  80   layout->addWidget( comboBox );
  81   layout->addWidget( stackWidget );
  82   setLayout( layout );
  83 }
  84
  85 QSize MultiPageWidget::sizeHint() const
  86 {
  87   return QSize( 200, 150 );
  88 }
  89
  90 void MultiPageWidget::addPage( QWidget *page )
  91 {
  92   insertPage( count(), page );
  93 }
  94
  95 void MultiPageWidget::removePage( int index )
  96 {
  97   QWidget *widget = stackWidget->widget( index );
  98   stackWidget->removeWidget( widget );
  99
 100   comboBox->removeItem( index );
 101 }
 102
 103 int MultiPageWidget::count() const
 104 {
 105   return stackWidget->count();
 106 }
 107
 108 int MultiPageWidget::currentIndex() const
 109 {
 110   return stackWidget->currentIndex();
 111 }
 112
 113 void MultiPageWidget::insertPage( int index, QWidget *page )
 114 {
 115   page->setParent( stackWidget );
 116
 117   stackWidget->insertWidget( index, page );
 118
 119   QString title = page->windowTitle();
 120   if ( title.isEmpty() ) {
 121     title = tr( "Page %1" ).arg( comboBox->count() + 1 );
 122     page->setWindowTitle( title );
 123   }
 124   comboBox->insertItem( index, title );
 125 }
 126
 127 void MultiPageWidget::setCurrentIndex( int index )
 128 {
 129   if ( index != currentIndex() ) {
 130     stackWidget->setCurrentIndex( index );
 131     comboBox->setCurrentIndex( index );
 132     emit currentIndexChanged( index );
 133   }
 134 }
 135
 136 QWidget* MultiPageWidget::widget( int index )
 137 {
 138   return stackWidget->widget( index );
 139 }
 140
 141 QString MultiPageWidget::pageTitle() const
 142 {
 143   if ( const QWidget *currentWidget = stackWidget->currentWidget() )
 144     return currentWidget->windowTitle();
 145   return QString();
 146 }
 147
 148 void MultiPageWidget::setPageTitle( QString const &newTitle )
 149 {
 150   comboBox->setItemText( currentIndex(), newTitle );
 151   if ( QWidget *currentWidget = stackWidget->currentWidget() )
 152     currentWidget->setWindowTitle( newTitle );
 153   emit pageTitleChanged( newTitle );
 154 }
 155
 156 void MultiPageWidget::setPageTitle( QString const &newTitle, int index )
 157 {
 158   comboBox->setItemText( index, newTitle );
 159   if ( QWidget *widget = stackWidget-> widget( index ) )
 160     widget->setWindowTitle( newTitle );
 161   emit pageTitleChanged( newTitle );
 162 }