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annotate libgui/src/dw-main-window.cc @ 25398:a78e5b8d5ee7

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provide shortcuts for closing widgets of the variable editor (bug #53002) * dw-main-window.cc/h (dw_main_window): new class derived from QMainWindow with action and shortcuts for closing dock widgets; (createPopupMenu): add new actions to the popup menu of QMainWindow; (add_action): convenience function for adding an action; (notice_settings): update the shortcuts from the settings file; (request_close): slot for closing active widget; (request_close_other): slot for closing other widgets; (request_close_all_files): slot for closing all widgets; * module.mk: add new files dw-main-window.cc/h * variable-editor.cc (variable_editor): use new class dw_main_window; (notice_settings): update settings of dw_main_window * variable-editor.h: use dw_main_window instead of QMainWindow
author Torsten <mttl@mailbox.org>
date Tue, 22 May 2018 22:41:12 +0200
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children ad3d018e595f
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25398
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1 /*
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2
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3 Copyright (C) 2013-2018 Torsten <mttl@mailbox.org>
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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
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9 the Free Software Foundation, either version 3 of the License, or
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10 (at your 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
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13 WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License 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 <https://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 /* This is the main window derived from QMainWindow for being used
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24 as the main window in dock widgets like the variable editor or
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25 the file editor
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26 */
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27
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28 #if defined (HAVE_CONFIG_H)
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29 # include "config.h"
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30 #endif
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31
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32 #include <QMenu>
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33 #include <QDockWidget>
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34
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35 #include "resource-manager.h"
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36 #include "shortcut-manager.h"
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37 #include "dw-main-window.h"
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38
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39 namespace octave
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40 {
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41
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42 dw_main_window::dw_main_window (QWidget *p)
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43 : QMainWindow (p)
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44 {
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45 // Adding the actions for closing the dock widgets
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46 m_close_action
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47 = add_action (nullptr,
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48 resource_manager::icon ("window-close",false),
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49 tr ("&Close"),
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50 SLOT (request_close_file ()), this);
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51
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52 m_close_all_action
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53 = add_action (nullptr,
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54 resource_manager::icon ("window-close",false),
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55 tr ("Close &All"),
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56 SLOT (request_close_all_files ()), this);
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57
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58 m_close_others_action
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59 = add_action (nullptr,
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60 resource_manager::icon ("window-close",false),
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61 tr ("Close &Other"),
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62 SLOT (request_close_other_files ()), this);
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63
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64 notice_settings (resource_manager::get_settings ());
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65 }
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66
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67
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68 // Re-implementing the popup menu of the main window
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69 QMenu *dw_main_window::createPopupMenu ()
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70 {
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71 QList<QAction *> new_actions = QList<QAction *> ();
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72 new_actions.append (m_close_action);
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73 new_actions.append (m_close_others_action);
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74 new_actions.append (m_close_all_action);
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75
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76 QMenu *menu = QMainWindow::createPopupMenu ();
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77 QList<QAction *> actions = menu->actions();
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78
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79 if (actions.length () > 0)
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80 {
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81 QAction *sep = menu->insertSeparator (actions.at (0));
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82 menu->insertActions (sep, new_actions);
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83 }
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84 else
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85 menu->addActions (new_actions);
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86
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87 return menu;
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88 }
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89
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90
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91 // Adding an action to the main window
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92 QAction * dw_main_window::add_action (QMenu *menu, const QIcon& icon,
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93 const QString& text, const char *member,
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94 QWidget *receiver)
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95 {
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96 QAction *a;
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97 QWidget *r = this;
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98
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99 if (receiver != nullptr)
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100 r = receiver;
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101
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102 if (menu)
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103 a = menu->addAction (icon, text, r, member);
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104 else
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105 {
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106 a = new QAction (icon, text, this);
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107 a->setEnabled (true);
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108 connect (a, SIGNAL (triggered ()), r, member);
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109 }
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110
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111 addAction (a); // important for shortcut context
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112 a->setShortcutContext (Qt::WidgetWithChildrenShortcut);
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113
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114 return a;
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115 }
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116
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117 // Update the settings
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118 void dw_main_window::notice_settings (const QSettings*)
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119 {
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120 shortcut_manager::set_shortcut (m_close_action, "editor_file:close");
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121 shortcut_manager::set_shortcut (m_close_all_action, "editor_file:close_all");
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122 shortcut_manager::set_shortcut (m_close_others_action, "editor_file:close_other");
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123 }
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124
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125
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126 // Slots for handling actions
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127
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128 // Close current widget
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129 void dw_main_window::request_close_file ()
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130 {
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131 QList<QDockWidget *> list = findChildren<QDockWidget *>();
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132
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133 for (int i = 0; i < list.length (); i++)
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134 {
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135 if (list.at (i)->hasFocus ())
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136 {
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137 list.at (i)->close ();
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138 if (i > 0)
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139 list.at (i-1)->setFocus ();
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140 break;
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141 }
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142 }
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143 }
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144
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145 // Close other widgets
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146 void dw_main_window::request_close_other_files ()
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147 {
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148 QList<QDockWidget *> list = findChildren<QDockWidget *>();
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149
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150 for (int i = list.length () - 1; i >= 0; i--)
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151 {
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152 if (! list.at (i)->hasFocus ())
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153 list.at (i)->close ();
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154 }
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155 }
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156
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157 // Close all widgets
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158 void dw_main_window::request_close_all_files ()
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159 {
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160 QList<QDockWidget *> list = findChildren<QDockWidget *>();
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161
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162 for (int i = list.length () - 1; i >= 0; i--)
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163 list.at (i)->close ();
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164 }
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165
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166 }
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167
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168