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annotate libgui/src/workspace-model.h @ 16444:6cd66a5a76e8

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undo unintended changes in changeset 302157614308
author John W. Eaton <jwe@octave.org>
date Sat, 06 Apr 2013 14:01:58 -0400
parents 302157614308
children 0f143f68078d
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1 /*
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2
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3 Copyright (C) 2011-2012 Jacob Dawid
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #ifndef WORKSPACEMODEL_H
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24 #define WORKSPACEMODEL_H
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25
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26 // Qt includes
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27 #include <QAbstractItemModel>
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28 #include <QVector>
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29 #include <QSemaphore>
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30
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31 #include "symbol-information.h"
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32
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33 class tree_item
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34 {
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35 public:
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36 tree_item (const QList<QVariant> &d, tree_item *p = 0) {
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37 _parent_item = p;
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38 _item_data = d;
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39 }
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40
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41 tree_item (QVariant d = QVariant(), tree_item *p = 0) {
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42 QList<QVariant> variantList;
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43 variantList << d << QVariant () << QVariant () << QVariant ();
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44 _parent_item = p;
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45 _item_data = variantList;
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46 }
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47
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48 ~tree_item () {
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49 qDeleteAll (_child_items);
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50 }
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51
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52 void insert_child_item (int at, tree_item *item) {
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53 item->_parent_item = this;
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54 _child_items.insert (at, item);
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55 }
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56
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57 void add_child (tree_item *item) {
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58 item->_parent_item = this;
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59 _child_items.append (item);
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60 }
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61
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62 void delete_child_items () {
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63 qDeleteAll (_child_items);
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64 _child_items.clear ();
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65 }
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66
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67 void remove_child (tree_item *item) {
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68 _child_items.removeAll (item);
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69 }
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70
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71 QVariant data (int column) const
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72 {
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73 return _item_data[column];
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74 }
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75
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76 void set_data (int column, QVariant d)
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77 {
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78 _item_data[column] = d;
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79 }
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80
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81 tree_item *child (int r) {
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82 return _child_items[r];
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83 }
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84
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85 int child_count () const {
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86 return _child_items.count();
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87 }
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88
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89 int column_count () const
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90 {
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91 return _item_data.count();
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92 }
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93
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94 int row () const {
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95 if (_parent_item)
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96 return _parent_item->_child_items.indexOf (const_cast<tree_item*>(this));
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97
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98 return 0;
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99 }
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100
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101 tree_item *parent ()
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102 {
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103 return _parent_item;
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104 }
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105
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106 private:
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107 QList<tree_item*> _child_items;
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108 QList<QVariant> _item_data;
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109 tree_item *_parent_item;
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110 };
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111
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112 class workspace_model
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113 : public QAbstractItemModel
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114 {
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115 Q_OBJECT
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116
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117 public:
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118 workspace_model (QObject *parent = 0);
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119 ~workspace_model ();
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120
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121 QVariant data (const QModelIndex &index, int role) const;
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122 Qt::ItemFlags flags (const QModelIndex &index) const;
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123 QVariant headerData (int section, Qt::Orientation orientation,
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124 int role = Qt::DisplayRole) const;
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125 QModelIndex index (int row, int column,
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126 const QModelIndex &parent = QModelIndex ()) const;
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127 QModelIndex parent (const QModelIndex &index) const;
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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 void insert_top_level_item (int at, tree_item *treeItem);
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132 tree_item *top_level_item (int at);
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133
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134 void update_workspace_callback (void);
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135
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136 public slots:
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137 void request_update_workspace ();
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138
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139 signals:
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140 void model_changed ();
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141
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142 private:
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143
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144 /** Stores the current symbol information. */
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145 QList <symbol_information> _symbol_information;
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146 tree_item *_rootItem;
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147 };
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148
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149 #endif // WORKSPACEMODEL_H