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annotate libgui/src/workspace-model.h @ 16468:0f143f68078d

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use signal/slot for updating workspace instead of using event listener * main-window.h, main-window.cc: Clean up list of include files. (main_window::prepare_to_exit): Rename from prepare_to_quit. Change all uses. (main_window::update_workspace): Delete. (main_window::construct): Don't connect _octave_qt_event_listener:update_workspace_signal to main_window::update_workspace. (main_window::construct_octave_qt_link): Connect _octave_qt_link::set_workspace_signal to _workspace_model::set_workspace. Connect _octave_qt_link::clear_workspace_signal to _workspace_model::clear_workspace. * symbol-information.h, symbol-information.cc: Delete * libgui/src/module.mk (noinst_HEADERS, src_libgui_src_la_SOURCES): Remove them from the lists. * octave-qt-link.h, octave-qt-link.cc: Don't use symbol_information to store workspace info. (octave_qt_link::do_update_workspace): Delete. (octave_qt_link::do_set_workspace, octave_qt_link::do_clear_workspace): New functions. (octave_qt_link::do_pre_input_event): Don't call do_update_workspace. (octave_qt_link::set_workspace_signal, octave_qt_link::clear_workspace_signal): New signals. * workspace-model.h, workspace-model.cc: Don't use symbol_information to store workspace info. Accept workspace info through a signal/slot combination, not by asking the symbol table. (workspace_model::request_update_workspace, (workspace_model::update_workspace_callback): Delete. (workspace_model::set_workspace, workspace_model::clear_workspace, workspace_model::clear_data, workspace_model::clear_tree, workspace_model::update_tree, workspace_model::append_tree): New functions. * workspace-view.h, workspace-view.cc (workspace_view::model_changed): Don't call update_workspace_callback. The model now signals the view when it has changed. * input.cc (octave_base_reader::octave_gets, get_debug_input): Call octave_link::set_workspace just prior to prompting for input. * workspace-element.h: New file. * libinterp/interpfcn/module.mk (INTERPFCN_INC): Include it in the list. * octave-link.cc: Don't include symtab.h. * octave-link.h (octave_link::update_workspace): Delete. (octave_link::set_workspace, octave_link::do_set_workspace, * octave_link::clear_workspace, octave_link::do_clear_workspace): New functions. * symtab.h, symtab.cc (symbol_table::workspace_info, symbol_table::do_workspace_info): New functions. * ov.h (octave_value::short_disp): New function. * ov-base.h, ov-base.cc (octave_base_value::short_disp): New function. * ov-base-scalar.h, ov-base-scalar.cc (octave_base_scalar<ST>::short_disp): New function. * ov-range.h, ov-range.cc (octave_range::short_disp): New function.
author John W. Eaton <jwe@octave.org>
date Mon, 08 Apr 2013 12:01:24 -0400
parents 6cd66a5a76e8
children 64727ed135cb
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1 /*
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2
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3 Copyright (C) 2013 John W. Eaton
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4 Copyright (C) 2011-2012 Jacob Dawid
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #if !defined (workspace_model_h)
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25 #define workspace_model_h 1
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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 #include <QStringList>
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32 class tree_item
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33 {
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34 public:
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35 tree_item (const QList<QVariant> &d, tree_item *p = 0) {
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36 _parent_item = p;
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37 _item_data = d;
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38 }
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39
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40 tree_item (QVariant d = QVariant(), tree_item *p = 0) {
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41 QList<QVariant> variantList;
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42 variantList << d << QVariant () << QVariant () << QVariant ();
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43 _parent_item = p;
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44 _item_data = variantList;
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45 }
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46
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47 ~tree_item () {
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48 qDeleteAll (_child_items);
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49 }
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50
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51 void insert_child_item (int at, tree_item *item) {
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52 item->_parent_item = this;
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53 _child_items.insert (at, item);
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54 }
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55
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56 void add_child (tree_item *item) {
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57 item->_parent_item = this;
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58 _child_items.append (item);
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59 }
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60
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61 void delete_child_items () {
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62 qDeleteAll (_child_items);
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63 _child_items.clear ();
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64 }
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65
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66 void remove_child (tree_item *item) {
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67 _child_items.removeAll (item);
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68 }
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69
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70 QVariant data (int column) const
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71 {
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72 return _item_data[column];
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73 }
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74
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75 void set_data (int column, QVariant d)
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76 {
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77 _item_data[column] = d;
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78 }
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79
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80 tree_item *child (int r) {
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81 return _child_items[r];
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82 }
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83
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84 int child_count () const {
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85 return _child_items.count();
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86 }
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87
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88 int column_count () const
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89 {
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90 return _item_data.count();
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91 }
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92
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93 int row () const {
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94 if (_parent_item)
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95 return _parent_item->_child_items.indexOf (const_cast<tree_item*>(this));
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97 return 0;
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98 }
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99
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100 tree_item *parent ()
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101 {
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102 return _parent_item;
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103 }
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105 private:
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106 QList<tree_item*> _child_items;
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107 QList<QVariant> _item_data;
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108 tree_item *_parent_item;
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109 };
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110
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111 class workspace_model
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112 : public QAbstractItemModel
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113 {
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114 Q_OBJECT
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115
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116 public:
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117
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118 workspace_model (QObject *parent = 0);
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119
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120 ~workspace_model (void);
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121
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122 QVariant data (const QModelIndex &index, int role) const;
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123
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124 Qt::ItemFlags flags (const QModelIndex &index) const;
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125
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126 QVariant headerData (int section, Qt::Orientation orientation,
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127 int role = Qt::DisplayRole) const;
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128
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129 QModelIndex index (int row, int column,
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130 const QModelIndex &parent = QModelIndex ()) const;
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131
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132 QModelIndex parent (const QModelIndex &index) const;
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133
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134 int rowCount (const QModelIndex &parent = QModelIndex ()) const;
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135
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136 int columnCount (const QModelIndex &parent = QModelIndex ()) const;
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137
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138 void insert_top_level_item (int at, tree_item *treeItem);
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139
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140 tree_item *top_level_item (int at);
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141
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142 public slots:
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143
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144 void set_workspace (const QString& scopes,
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145 const QStringList& symbols,
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146 const QStringList& class_names,
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147 const QStringList& dimensions,
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148 const QStringList& values);
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149
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150 void clear_workspace (void);
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151
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152 signals:
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153
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154 void model_changed (void);
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155
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156 private:
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157
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158 void clear_data (void);
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159
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160 void clear_tree (void);
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161
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162 void update_tree (void);
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163
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164 void append_tree (QChar scope, const QString& symbol,
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165 const QString& class_name, const QString& dimension,
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166 const QString& value);
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167
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168 QString _scopes;
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169 QStringList _symbols;
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170 QStringList _class_names;
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171 QStringList _dimensions;
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172 QStringList _values;
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173
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174 tree_item *_rootItem;
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175 };
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177 #endif // WORKSPACEMODEL_H