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comparison libgui/src/m-editor/file-editor.cc @ 18723:fac35875f6eb gui-release

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update enabled status of undo/redo actions in the editor * file-editor-tab.h: new inline function returning the qscintilla edit area * octave-qscintilla.cc (constructor): connect textChanged signal to new private slot text_changed; (text_changed): new slot emitting a signal on undo/redo availability * octave-qscintilla.h: new slot and new signal * file-editor.cc (edit_status_update): new slot for updating undo/redo actions; (construct): undo/redo actions disabled at the beginning; (add_new_edit_tab): connect new slot to the signal from the qscintilla edit area indicating undo/redo availability * file-editor.h: new slot
author Torsten <ttl@justmail.de>
date Sun, 27 Apr 2014 19:36:54 +0200
parents 02b75b57ed80
children 834f6e604dc3
comparison
equal deleted inserted replaced
18722:02b75b57ed80 18723:fac35875f6eb
984 { 984 {
985 emit fetab_zoom_normal (_tab_widget->currentWidget ()); 985 emit fetab_zoom_normal (_tab_widget->currentWidget ());
986 } 986 }
987 987
988 void 988 void
989 file_editor::edit_status_update (bool undo, bool redo)
990 {
991 _undo_action->setEnabled (undo);
992 _redo_action->setEnabled (redo);
993 }
994
995 void
989 file_editor::handle_editor_state_changed (bool copy_available, 996 file_editor::handle_editor_state_changed (bool copy_available,
990 const QString& file_name) 997 const QString& file_name)
991 { 998 {
992 // In case there is some scenario where traffic could be coming from 999 // In case there is some scenario where traffic could be coming from
993 // all the file editor tabs, just process info from the current active tab. 1000 // all the file editor tabs, just process info from the current active tab.
1156 1163
1157 QMenu *editMenu = new QMenu (tr ("&Edit"), _menu_bar); 1164 QMenu *editMenu = new QMenu (tr ("&Edit"), _menu_bar);
1158 1165
1159 _undo_action = add_action (editMenu, QIcon (":/actions/icons/undo.png"), 1166 _undo_action = add_action (editMenu, QIcon (":/actions/icons/undo.png"),
1160 tr ("&Undo"), SLOT (request_undo (bool))); 1167 tr ("&Undo"), SLOT (request_undo (bool)));
1168 _undo_action->setEnabled (false);
1161 _redo_action = add_action (editMenu, QIcon (":/actions/icons/redo.png"), 1169 _redo_action = add_action (editMenu, QIcon (":/actions/icons/redo.png"),
1162 tr ("&Redo"), SLOT (request_redo (bool))); 1170 tr ("&Redo"), SLOT (request_redo (bool)));
1171 _redo_action->setEnabled (false);
1163 1172
1164 editMenu->addSeparator (); 1173 editMenu->addSeparator ();
1165 1174
1166 _copy_action = add_action (editMenu, QIcon (":/actions/icons/editcopy.png"), 1175 _copy_action = add_action (editMenu, QIcon (":/actions/icons/editcopy.png"),
1167 tr ("&Copy"), SLOT (request_copy (bool))); 1176 tr ("&Copy"), SLOT (request_copy (bool)));
1394 void 1403 void
1395 file_editor::add_file_editor_tab (file_editor_tab *f, const QString& fn) 1404 file_editor::add_file_editor_tab (file_editor_tab *f, const QString& fn)
1396 { 1405 {
1397 _tab_widget->addTab (f, fn); 1406 _tab_widget->addTab (f, fn);
1398 1407
1408 // signals from the qscintilla edit area
1409 connect (f->qsci_edit_area (), SIGNAL (status_update (bool, bool)),
1410 this, SLOT (edit_status_update (bool, bool)));
1411
1399 // Signals from the file editor_tab 1412 // Signals from the file editor_tab
1400 connect (f, SIGNAL (file_name_changed (const QString&, const QString&)), 1413 connect (f, SIGNAL (file_name_changed (const QString&, const QString&)),
1401 this, SLOT (handle_file_name_changed (const QString&, 1414 this, SLOT (handle_file_name_changed (const QString&,
1402 const QString&))); 1415 const QString&)));
1403 1416
1638 _save_as_action->setEnabled (have_tabs); 1651 _save_as_action->setEnabled (have_tabs);
1639 _close_action->setEnabled (have_tabs); 1652 _close_action->setEnabled (have_tabs);
1640 _close_all_action->setEnabled (have_tabs); 1653 _close_all_action->setEnabled (have_tabs);
1641 _close_others_action->setEnabled (have_tabs && _tab_widget->count () > 1); 1654 _close_others_action->setEnabled (have_tabs && _tab_widget->count () > 1);
1642 1655
1643 _undo_action->setEnabled (have_tabs);
1644 _redo_action->setEnabled (have_tabs);
1645 _selectall_action->setEnabled (have_tabs); 1656 _selectall_action->setEnabled (have_tabs);
1646 } 1657 }
1647 1658
1648 // empty_script determines whether we have to create an empty script 1659 // empty_script determines whether we have to create an empty script
1649 // 1. At startup, when the editor has to be (really) visible 1660 // 1. At startup, when the editor has to be (really) visible