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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the examples of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #include <QtGui> |
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43 |
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44 #include "freezetablewidget.h" |
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45 |
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46 //! [constructor] |
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47 FreezeTableWidget::FreezeTableWidget(QAbstractItemModel * model) |
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48 { |
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49 setModel(model); |
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50 frozenTableView = new QTableView(this); |
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51 |
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52 init(); |
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53 |
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54 //connect the headers and scrollbars of both tableviews together |
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55 connect(horizontalHeader(),SIGNAL(sectionResized ( int ,int,int )), this, |
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56 SLOT(updateSectionWidth(int, int, int))); |
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57 connect(verticalHeader(),SIGNAL(sectionResized ( int ,int,int )), this, |
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58 SLOT(updateSectionHeight(int, int, int))); |
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59 |
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60 connect(frozenTableView->verticalScrollBar(), SIGNAL(valueChanged(int)), |
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61 verticalScrollBar(), SLOT(setValue(int))); |
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62 connect(verticalScrollBar(), SIGNAL(valueChanged(int)), |
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63 frozenTableView->verticalScrollBar(), SLOT(setValue(int))); |
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64 |
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65 |
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66 } |
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67 //! [constructor] |
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68 |
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69 FreezeTableWidget::~FreezeTableWidget() |
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70 { |
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71 delete frozenTableView; |
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72 } |
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73 |
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74 //! [init part1] |
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75 void FreezeTableWidget::init() |
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76 { |
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77 frozenTableView->setModel(model()); |
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78 frozenTableView->setFocusPolicy(Qt::NoFocus); |
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79 frozenTableView->verticalHeader()->hide(); |
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80 frozenTableView->horizontalHeader()->setResizeMode(QHeaderView::Fixed); |
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81 |
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82 viewport()->stackUnder(frozenTableView); |
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83 //! [init part1] |
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84 |
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85 //! [init part2] |
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86 frozenTableView->setStyleSheet("QTableView { border: none;" |
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87 "background-color: #8EDE21;}"); //for demo purposes |
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88 frozenTableView->setSelectionModel(selectionModel()); |
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89 for(int col=1; col<model()->columnCount(); col++) |
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90 frozenTableView->setColumnHidden(col, true); |
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91 |
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92 frozenTableView->setColumnWidth(0, columnWidth(0) ); |
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93 |
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94 frozenTableView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); |
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95 frozenTableView->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff); |
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96 frozenTableView->show(); |
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97 |
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98 updateFrozenTableGeometry(); |
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99 |
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100 setHorizontalScrollMode(ScrollPerPixel); |
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101 setVerticalScrollMode(ScrollPerPixel); |
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102 frozenTableView->setVerticalScrollMode(ScrollPerPixel); |
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103 } |
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104 //! [init part2] |
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105 |
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106 |
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107 //! [sections] |
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108 void FreezeTableWidget::updateSectionWidth(int logicalIndex, int, int newSize) |
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109 { |
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110 if(logicalIndex==0){ |
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111 frozenTableView->setColumnWidth(0,newSize); |
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112 updateFrozenTableGeometry(); |
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113 } |
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114 } |
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115 |
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116 void FreezeTableWidget::updateSectionHeight(int logicalIndex, int, int newSize) |
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117 { |
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118 frozenTableView->setRowHeight(logicalIndex, newSize); |
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119 } |
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120 //! [sections] |
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121 |
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122 |
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123 //! [resize] |
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124 void FreezeTableWidget::resizeEvent(QResizeEvent * event) |
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125 { |
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126 QTableView::resizeEvent(event); |
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127 updateFrozenTableGeometry(); |
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128 } |
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129 //! [resize] |
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130 |
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131 |
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132 //! [navigate] |
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133 QModelIndex FreezeTableWidget::moveCursor(CursorAction cursorAction, |
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134 Qt::KeyboardModifiers modifiers) |
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135 { |
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136 QModelIndex current = QTableView::moveCursor(cursorAction, modifiers); |
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137 |
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138 if(cursorAction == MoveLeft && current.column()>0 |
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139 && visualRect(current).topLeft().x() < frozenTableView->columnWidth(0) ){ |
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140 |
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141 const int newValue = horizontalScrollBar()->value() + visualRect(current).topLeft().x() |
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142 - frozenTableView->columnWidth(0); |
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143 horizontalScrollBar()->setValue(newValue); |
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144 } |
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145 return current; |
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146 } |
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147 //! [navigate] |
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148 |
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149 |
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150 //! [geometry] |
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151 void FreezeTableWidget::updateFrozenTableGeometry() |
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152 { |
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153 frozenTableView->setGeometry( verticalHeader()->width()+frameWidth(), |
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154 frameWidth(), columnWidth(0), |
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155 viewport()->height()+horizontalHeader()->height()); |
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156 } |
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157 //! [geometry] |
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158 |
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159 |