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annotate libgui/src/workspace-model.h @ 15402:7f423c6111c6

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refactor GUI event handling to use new event_queue class * octave-link.h, octave-link.cc (event_queue): Delete. (gui_event_queue): New event_queue variable. Change all uses of event_queue to user gui_event_queue instead. (octave_link::handle_event): Delete. (octave_link::post_event, octave_link::do_post_event): Provide methods that work directly with member functions pointers and data. * octave-event.h, octave-event.cc, octave-event-observer.h: Delete. Delete all uses. * libgui/src/module.mk (noinst_HEADERS): Delete octave-event.h and octave-event-observer.h from the list. (src_libgui_src_la_SOURCES): Delete octave-event.cc from the list. * workspace-view.h, history-dockwidget.h, main-window.h: Don't include octave-link.h. * history-dockwidget.cc (history_dock_widget::handle_event): Delete. (history_dock_widget::handle_event): New function adapted from handle_event. (history_dock_widget::request_history_model_update): Update for new event callback mechanism. * history-dockwidget.h: Update decls. * file-editor-tab.cc (file_editor_tab::handle_event): Delete. (file_editor_tab::run_file_callback, file_editor_tab::add_breakpoint_callback, file_editor_tab::remove_breakpoint_callback, file_editor_tab::remove_all_breakpoints_callback): New functions adapted from handle_event and corresponding octave_event classes. (file_editor_tab::request_add_breakpoint, file_editor_tab::request_remove_breakpoint, file_editor_tab::remove_all_breakpoints, file_editor_tab::run_file): Update for new event callback mechanism. * file-editor-tab.h: Update decls. (file_editor_tab::bp_info): New nested struct. * main-window.cc (main_window::handle_event): Delete. (main_window::save_workspace_callback, main_window::load_workspace_callback, main_window::clear_workspace_callback, main_window::clear_history_callback, main_window::change_directory_callback, main_window::debug_continue_callback, main_window::debug_step_into_callback, main_window::debug_step_over_callback, main_window::debug_step_out_callback, main_window::debug_quit_callback, main_window::exit_callback): New functions. (main_window::handle_save_workspace_request, main_window::handle_load_workspace_request, main_window::handle_clear_workspace_request, main_window::handle_clear_history_request, main_window::change_current_working_directory, main_window::set_current_working_directory, main_window::debug_continue, main_window::debug_step_into, main_window::debug_step_over, main_window::debug_step_out, main_window::debug_quit): Update for new event callback mechanism. * main-window.h: Update decls. * workspace-model.cc (workspace_model::handle_event): Delete. (workspace_model::update_workspace_callback): New function. (workspace_model::request_update_workspace): Update for new event callback mechanism. * workspace-model.h: Update decls.
author John W. Eaton <jwe@octave.org>
date Mon, 17 Sep 2012 23:07:22 -0400
parents 24b5348d38e7
children 0486a29d780f
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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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23 #ifndef WORKSPACEMODEL_H
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24 #define WORKSPACEMODEL_H
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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 #include <QTimer>
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32 #include "symbol-information.h"
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33
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34 class tree_item
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35 {
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36 public:
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37 tree_item (const QList<QVariant> &d, tree_item *p = 0) {
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38 _parent_item = p;
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39 _item_data = d;
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40 }
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41
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42 tree_item (QVariant d = QVariant(), tree_item *p = 0) {
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43 QList<QVariant> variantList;
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44 variantList << d << QVariant () << QVariant () << QVariant ();
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45 _parent_item = p;
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46 _item_data = variantList;
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47 }
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48
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49 ~tree_item () {
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50 qDeleteAll (_child_items);
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51 }
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52
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53 void insert_child_item (int at, tree_item *item) {
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54 item->_parent_item = this;
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55 _child_items.insert (at, item);
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56 }
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57
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58 void add_child (tree_item *item) {
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59 item->_parent_item = this;
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60 _child_items.append (item);
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61 }
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62
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63 void delete_child_items () {
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64 qDeleteAll (_child_items);
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65 _child_items.clear ();
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66 }
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67
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68 void remove_child (tree_item *item) {
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69 _child_items.removeAll (item);
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70 }
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71
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72 QVariant data (int column) const
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73 {
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74 return _item_data[column];
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75 }
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76
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77 void set_data (int column, QVariant d)
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78 {
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79 _item_data[column] = d;
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80 }
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81
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82 tree_item *child (int r) {
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83 return _child_items[r];
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84 }
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85
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86 int child_count () const {
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87 return _child_items.count();
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88 }
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89
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90 int column_count () const
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91 {
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92 return _item_data.count();
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93 }
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94
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95 int row () const {
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96 if (_parent_item)
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97 return _parent_item->_child_items.indexOf (const_cast<tree_item*>(this));
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98
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99 return 0;
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100 }
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101
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102 tree_item *parent ()
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103 {
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104 return _parent_item;
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105 }
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107 private:
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108 QList<tree_item*> _child_items;
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109 QList<QVariant> _item_data;
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110 tree_item *_parent_item;
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111 };
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112
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113 class workspace_model
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114 : public QAbstractItemModel
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115 {
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116 Q_OBJECT
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117
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118 public:
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119 workspace_model (QObject *parent = 0);
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120 ~workspace_model ();
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121
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122 QVariant data (const QModelIndex &index, int role) const;
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123 Qt::ItemFlags flags (const QModelIndex &index) const;
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124 QVariant headerData (int section, Qt::Orientation orientation,
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125 int role = Qt::DisplayRole) const;
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126 QModelIndex index (int row, int column,
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127 const QModelIndex &parent = QModelIndex ()) const;
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128 QModelIndex parent (const QModelIndex &index) const;
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129 int rowCount (const QModelIndex &parent = QModelIndex ()) const;
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130 int columnCount (const QModelIndex &parent = QModelIndex ()) const;
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131
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132 void insert_top_level_item (int at, tree_item *treeItem);
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133 tree_item *top_level_item (int at);
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134
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135 public slots:
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136 void request_update_workspace ();
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137
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138 signals:
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139 void model_changed ();
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140
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141 private:
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142
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143 void update_workspace_callback (void);
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144
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145 /** Timer for periodically updating the workspace model from the current
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146 * symbol information. */
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147 QTimer _update_workspace_model_timer;
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148
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149 /** Stores the current symbol information. */
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150 QList <symbol_information> _symbol_information;
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151 tree_item *_rootItem;
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152 };
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153
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154 #endif // WORKSPACEMODEL_H