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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 QtGui module 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 #ifndef QTABLEWIDGET_P_H |
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43 #define QTABLEWIDGET_P_H |
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44 |
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45 // |
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46 // W A R N I N G |
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47 // ------------- |
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48 // |
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49 // This file is not part of the Qt API. This header file may change |
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50 // from version to version without notice, or even be removed. |
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51 // |
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52 // We mean it. |
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53 // |
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54 |
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55 #include <qheaderview.h> |
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56 #include <qtablewidget.h> |
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57 #include <qabstractitemmodel.h> |
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58 #include <private/qabstractitemmodel_p.h> |
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59 #include <private/qtableview_p.h> |
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60 #include <private/qwidgetitemdata_p.h> |
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61 |
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62 #ifndef QT_NO_TABLEWIDGET |
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63 |
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64 QT_BEGIN_NAMESPACE |
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65 |
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66 // workaround for VC++ 6.0 linker bug |
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67 typedef bool(*LessThan)(const QPair<QTableWidgetItem*,int>&,const QPair<QTableWidgetItem*,int>&); |
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68 |
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69 class QTableWidgetMimeData : public QMimeData |
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70 { |
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71 Q_OBJECT |
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72 public: |
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73 QList<QTableWidgetItem*> items; |
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74 }; |
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75 |
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76 class QTableModelLessThan |
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77 { |
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78 public: |
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79 inline bool operator()(QTableWidgetItem *i1, QTableWidgetItem *i2) const |
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80 { return (*i1 < *i2); } |
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81 }; |
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82 |
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83 class QTableModelGreaterThan |
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84 { |
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85 public: |
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86 inline bool operator()(QTableWidgetItem *i1, QTableWidgetItem *i2) const |
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87 { return (*i2 < *i1); } |
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88 }; |
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89 |
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90 class QTableModel : public QAbstractTableModel |
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91 { |
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92 Q_OBJECT |
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93 public: |
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94 enum ItemFlagsExtension { |
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95 ItemIsHeaderItem = 128 |
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96 }; // we need this to separate header items from other items |
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97 |
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98 QTableModel(int rows, int columns, QTableWidget *parent); |
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99 ~QTableModel(); |
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100 |
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101 bool insertRows(int row, int count = 1, const QModelIndex &parent = QModelIndex()); |
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102 bool insertColumns(int column, int count = 1, const QModelIndex &parent = QModelIndex()); |
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103 |
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104 bool removeRows(int row, int count = 1, const QModelIndex &parent = QModelIndex()); |
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105 bool removeColumns(int column, int count = 1, const QModelIndex &parent = QModelIndex()); |
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106 |
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107 void setItem(int row, int column, QTableWidgetItem *item); |
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108 QTableWidgetItem *takeItem(int row, int column); |
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109 QTableWidgetItem *item(int row, int column) const; |
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110 QTableWidgetItem *item(const QModelIndex &index) const; |
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111 void removeItem(QTableWidgetItem *item); |
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112 |
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113 void setHorizontalHeaderItem(int section, QTableWidgetItem *item); |
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114 void setVerticalHeaderItem(int section, QTableWidgetItem *item); |
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115 QTableWidgetItem *takeHorizontalHeaderItem(int section); |
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116 QTableWidgetItem *takeVerticalHeaderItem(int section); |
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117 QTableWidgetItem *horizontalHeaderItem(int section); |
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118 QTableWidgetItem *verticalHeaderItem(int section); |
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119 |
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120 QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const |
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121 { return QAbstractTableModel::index(row, column, parent); } |
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122 |
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123 QModelIndex index(const QTableWidgetItem *item) const; |
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124 |
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125 void setRowCount(int rows); |
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126 void setColumnCount(int columns); |
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127 |
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128 int rowCount(const QModelIndex &parent = QModelIndex()) const; |
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129 int columnCount(const QModelIndex &parent = QModelIndex()) const; |
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130 |
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131 QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const; |
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132 bool setData(const QModelIndex &index, const QVariant &value, int role); |
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133 bool setItemData(const QModelIndex &index, const QMap<int, QVariant> &roles); |
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134 |
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135 QMap<int, QVariant> itemData(const QModelIndex &index) const; |
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136 |
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137 QVariant headerData(int section, Qt::Orientation orientation, int role) const; |
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138 bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value, int role); |
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139 |
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140 Qt::ItemFlags flags(const QModelIndex &index) const; |
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141 |
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142 void sort(int column, Qt::SortOrder order); |
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143 static bool itemLessThan(const QPair<QTableWidgetItem*,int> &left, |
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144 const QPair<QTableWidgetItem*,int> &right); |
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145 static bool itemGreaterThan(const QPair<QTableWidgetItem*,int> &left, |
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146 const QPair<QTableWidgetItem*,int> &right); |
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147 |
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148 void ensureSorted(int column, Qt::SortOrder order, int start, int end); |
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149 QVector<QTableWidgetItem*> columnItems(int column) const; |
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150 void updateRowIndexes(QModelIndexList &indexes, int movedFromRow, int movedToRow); |
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151 static QVector<QTableWidgetItem*>::iterator sortedInsertionIterator( |
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152 const QVector<QTableWidgetItem*>::iterator &begin, |
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153 const QVector<QTableWidgetItem*>::iterator &end, |
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154 Qt::SortOrder order, QTableWidgetItem *item); |
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155 |
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156 bool isValid(const QModelIndex &index) const; |
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157 inline long tableIndex(int row, int column) const |
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158 { return (row * horizontalHeaderItems.count()) + column; } |
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159 |
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160 void clear(); |
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161 void clearContents(); |
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162 void itemChanged(QTableWidgetItem *item); |
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163 |
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164 QTableWidgetItem *createItem() const; |
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165 const QTableWidgetItem *itemPrototype() const; |
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166 void setItemPrototype(const QTableWidgetItem *item); |
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167 |
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168 // dnd |
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169 QStringList mimeTypes() const; |
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170 QMimeData *mimeData(const QModelIndexList &indexes) const; |
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171 bool dropMimeData(const QMimeData *data, Qt::DropAction action, |
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172 int row, int column, const QModelIndex &parent); |
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173 Qt::DropActions supportedDropActions() const; |
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174 |
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175 QMimeData *internalMimeData() const; |
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176 |
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177 private: |
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178 const QTableWidgetItem *prototype; |
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179 QVector<QTableWidgetItem*> tableItems; |
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180 QVector<QTableWidgetItem*> verticalHeaderItems; |
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181 QVector<QTableWidgetItem*> horizontalHeaderItems; |
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182 |
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183 // A cache must be mutable if get-functions should have const modifiers |
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184 mutable QModelIndexList cachedIndexes; |
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185 }; |
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186 |
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187 class QTableWidgetPrivate : public QTableViewPrivate |
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188 { |
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189 Q_DECLARE_PUBLIC(QTableWidget) |
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190 public: |
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191 QTableWidgetPrivate() : QTableViewPrivate() {} |
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192 inline QTableModel *tableModel() const { return qobject_cast<QTableModel*>(model); } |
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193 void setup(); |
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194 |
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195 // view signals |
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196 void _q_emitItemPressed(const QModelIndex &index); |
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197 void _q_emitItemClicked(const QModelIndex &index); |
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198 void _q_emitItemDoubleClicked(const QModelIndex &index); |
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199 void _q_emitItemActivated(const QModelIndex &index); |
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200 void _q_emitItemEntered(const QModelIndex &index); |
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201 // model signals |
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202 void _q_emitItemChanged(const QModelIndex &index); |
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203 // selection signals |
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204 void _q_emitCurrentItemChanged(const QModelIndex &previous, const QModelIndex ¤t); |
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205 // sorting |
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206 void _q_sort(); |
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207 void _q_dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight); |
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208 }; |
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209 |
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210 class QTableWidgetItemPrivate |
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211 { |
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212 public: |
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213 QTableWidgetItemPrivate(QTableWidgetItem *item) : q(item), id(-1) {} |
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214 QTableWidgetItem *q; |
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215 int id; |
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216 }; |
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217 |
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218 QT_END_NAMESPACE |
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219 |
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220 #endif // QT_NO_TABLEWIDGET |
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221 |
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222 #endif // QTABLEWIDGET_P_H |