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annotate libgui/src/workspace-model.h @ 15196:017f0b2e6933

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rename gui directory to libgu * libgui: Rename from gui. * .hgsub (libgui/qterminal): Rename from gui/qterminal. * Makefile.am (GUIDIR): Set to libgui instead of gui if AMCOND_BUILD_GUI is true. * configure.ac (AC_CONFIG_FILES): Update list for directory renaming. * Makefile.am (.NOTPARALLEL): Delete. List octave.html/index.html as the primary HTML target, not octave.html. (octave.html): New target for making the octave.html directory. (octave.pdf): Depend on octave.dvi. * images.awk: In generated rules for png files, depend on octave.html, not octave.html/index.html. * src/Makefile.am (OCTAVE_GUI_CPPFLAGS, OCTAVE_GUI_LIBS): Update for directory renaming. (CLEANFILES): Fix typo. * fntests.m (src_tree): Use libinterp, not src.
author John W. Eaton <jwe@octave.org>
date Sat, 18 Aug 2012 18:10:09 -0400
parents gui/src/workspace-model.h@1ffaad442161
children 359098ad343e
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1 /* OctaveGUI - A graphical user interface for Octave
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2 * Copyright (C) 2011 Jacob Dawid (jacob.dawid@googlemail.com)
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3 *
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4 * This program is free software: you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as
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6 * published by the Free Software Foundation, either version 3 of the
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7 * License, or (at your option) any later version.
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8 *
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9 * This program is distributed in the hope that it will be useful,
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 * GNU General Public License for more details.
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13 *
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14 * You should have received a copy of the GNU General Public License
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15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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16 */
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17
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18 #ifndef WORKSPACEMODEL_H
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19 #define WORKSPACEMODEL_H
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21 // Qt includes
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22 #include <QAbstractItemModel>
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23 #include <QVector>
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24 #include <QSemaphore>
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25 #include <QTimer>
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27 #include "symbol-information.h"
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28 #include "octave-event-observer.h"
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30 class tree_item
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31 {
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32 public:
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33 tree_item (const QList<QVariant> &data, tree_item *parent = 0) {
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34 _parent_item = parent;
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35 _item_data = data;
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36 }
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37
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38 tree_item (QVariant data = QVariant(), tree_item *parent = 0) {
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39 QList<QVariant> variantList;
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40 variantList << data << QVariant () << QVariant () << QVariant ();
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41 _parent_item = parent;
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42 _item_data = variantList;
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43 }
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44
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45 ~tree_item () {
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46 qDeleteAll (_child_items);
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47 }
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48
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49 void insert_child_item (int at, tree_item *item) {
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50 item->_parent_item = this;
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51 _child_items.insert (at, item);
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52 }
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53
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54 void add_child (tree_item *item) {
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55 item->_parent_item = this;
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56 _child_items.append (item);
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57 }
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58
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59 void delete_child_items () {
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60 qDeleteAll (_child_items);
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61 _child_items.clear ();
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62 }
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63
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64 void remove_child (tree_item *item) {
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65 _child_items.removeAll (item);
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66 }
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67
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68 QVariant data (int column) const
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69 {
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70 return _item_data[column];
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71 }
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72
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73 void set_data (int column, QVariant data)
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74 {
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75 _item_data[column] = data;
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76 }
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77
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78 tree_item *child (int row) {
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79 return _child_items[row];
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80 }
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81
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82 int child_count () const {
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83 return _child_items.count();
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84 }
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85
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86 int column_count () const
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87 {
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88 return _item_data.count();
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89 }
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90
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91 int row () const {
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92 if (_parent_item)
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93 return _parent_item->_child_items.indexOf (const_cast<tree_item*>(this));
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94
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95 return 0;
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96 }
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97
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98 tree_item *parent ()
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99 {
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100 return _parent_item;
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101 }
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102
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103 private:
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104 QList<tree_item*> _child_items;
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105 QList<QVariant> _item_data;
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106 tree_item *_parent_item;
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107 };
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108
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109 class workspace_model
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110 : public QAbstractItemModel, public octave_event_observer
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111 {
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112 Q_OBJECT
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113
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114 public:
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115 workspace_model (QObject *parent = 0);
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116 ~workspace_model ();
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117
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118 void event_accepted (octave_event *e);
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119 void event_reject (octave_event *e);
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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 public slots:
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135 void request_update_workspace ();
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136
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137 signals:
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138 void model_changed ();
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139
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140 private:
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141 /** Timer for periodically updating the workspace model from the current
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142 * symbol information. */
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143 QTimer _update_workspace_model_timer;
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144
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145 /** Stores the current symbol information. */
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146 QList <symbol_information> _symbol_information;
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147 tree_item *_rootItem;
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148 };
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149
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150 #endif // WORKSPACEMODEL_H