octave: libgui/src/main-window.cc comparison

comparison libgui/src/main-window.cc @ 31648:29d734430e5f stable

maint: Re-indent code after switch to using namespace macros. * BaseControl.cc, BaseControl.h, ButtonControl.cc, ButtonControl.h, ButtonGroup.cc, ButtonGroup.h, Canvas.cc, Canvas.h, CheckBoxControl.cc, CheckBoxControl.h, Container.cc, Container.h, ContextMenu.cc, ContextMenu.h, EditControl.cc, EditControl.h, Figure.cc, Figure.h, FigureWindow.cc, FigureWindow.h, GLCanvas.cc, GLCanvas.h, GenericEventNotify.h, KeyMap.cc, KeyMap.h, ListBoxControl.cc, ListBoxControl.h, Logger.cc, Logger.h, Menu.cc, Menu.h, MenuContainer.h, Object.cc, Object.h, ObjectProxy.cc, ObjectProxy.h, Panel.cc, Panel.h, PopupMenuControl.cc, PopupMenuControl.h, PushButtonControl.cc, PushButtonControl.h, PushTool.cc, PushTool.h, QtHandlesUtils.cc, QtHandlesUtils.h, RadioButtonControl.cc, RadioButtonControl.h, SliderControl.cc, SliderControl.h, Table.cc, Table.h, TextControl.cc, TextControl.h, TextEdit.cc, TextEdit.h, ToggleButtonControl.cc, ToggleButtonControl.h, ToggleTool.cc, ToggleTool.h, ToolBar.cc, ToolBar.h, ToolBarButton.cc, ToolBarButton.h, annotation-dialog.cc, annotation-dialog.h, gl-select.cc, gl-select.h, qopengl-functions.h, qt-graphics-toolkit.cc, qt-graphics-toolkit.h, module.mk, QTerminal.h, color-picker.cc, color-picker.h, command-widget.cc, command-widget.h, community-news.cc, community-news.h, dialog.cc, dialog.h, documentation-bookmarks.cc, documentation-bookmarks.h, documentation-dock-widget.cc, documentation-dock-widget.h, documentation.cc, documentation.h, dw-main-window.cc, dw-main-window.h, external-editor-interface.cc, external-editor-interface.h, files-dock-widget.cc, files-dock-widget.h, find-files-dialog.cc, find-files-dialog.h, find-files-model.cc, find-files-model.h, graphics-init.cc, graphics-init.h, gui-settings.cc, gui-settings.h, gui-utils.cc, gui-utils.h, history-dock-widget.cc, history-dock-widget.h, interpreter-qobject.cc, interpreter-qobject.h, led-indicator.cc, led-indicator.h, file-editor-interface.h, file-editor-tab.cc, file-editor-tab.h, file-editor.cc, file-editor.h, find-dialog.cc, find-dialog.h, marker.cc, marker.h, octave-qscintilla.cc, octave-qscintilla.h, octave-txt-lexer.cc, octave-txt-lexer.h, main-window.cc, main-window.h, news-reader.cc, news-reader.h, octave-dock-widget.cc, octave-dock-widget.h, octave-qobject.cc, octave-qobject.h, qt-application.cc, qt-application.h, qt-interpreter-events.cc, qt-interpreter-events.h, qt-utils.h, release-notes.cc, release-notes.h, resource-manager.cc, resource-manager.h, set-path-dialog.cc, set-path-dialog.h, set-path-model.cc, set-path-model.h, settings-dialog.cc, settings-dialog.h, shortcut-manager.cc, shortcut-manager.h, tab-bar.cc, tab-bar.h, terminal-dock-widget.cc, terminal-dock-widget.h, variable-editor-model.cc, variable-editor-model.h, variable-editor.cc, variable-editor.h, welcome-wizard.cc, welcome-wizard.h, workspace-model.cc, workspace-model.h, workspace-view.cc, workspace-view.h: Re-indent code after switch to using namespace macros.

author	John W. Eaton <jwe@octave.org>
date	Tue, 06 Dec 2022 14:53:00 -0500
parents	c6d54dd31a7e
children	deb553ac2c54 597f3ee61a48

comparison

equal deleted inserted replaced

-:c6d54dd31a7e
+:29d734430e5f
 #include "syminfo.h"
 #include "version.h"
 OCTAVE_BEGIN_NAMESPACE(octave)
 main_window::main_window (base_qobject& oct_qobj)
 : QMainWindow (), m_octave_qobj (oct_qobj),
 m_status_bar (nullptr),
 m_command_window (nullptr),
 m_history_window (nullptr),
 m_file_browser_window (nullptr),
 m_editor_window (nullptr),
 m_workspace_window (nullptr),
 m_external_editor (new external_editor_interface (this, m_octave_qobj)),
 m_active_editor (m_external_editor), m_settings_dlg (nullptr),
 m_find_files_dlg (nullptr), m_set_path_dlg (nullptr),
 m_clipboard (QApplication::clipboard ()),
 m_prevent_readline_conflicts (true),
 m_prevent_readline_conflicts_menu (false),
 m_suppress_dbg_location (true),
 m_closing (false), m_file_encoding (QString ())
 {
 resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
 if (rmgr.is_first_run ())
 {
 // Before wizard.
 m_octave_qobj.config_translators ();
 welcome_wizard welcomeWizard (m_octave_qobj);
 if (welcomeWizard.exec () == QDialog::Rejected)
 exit (1);
 // Install settings file.
 rmgr.reload_settings ();
 }
 else
 {
 // Get settings file.
 rmgr.reload_settings ();
 // After settings.
 m_octave_qobj.config_translators ();
 }
 setObjectName (gui_obj_name_main_window);
 rmgr.config_icon_theme ();
 rmgr.update_network_settings ();
 // We provide specific terminal capabilities, so ensure that
 // TERM is always set appropriately.
 #if defined (OCTAVE_USE_WINDOWS_API)
 sys::env::putenv ("TERM", "cygwin");
 #else
 sys::env::putenv ("TERM", "xterm");
 #endif
 // FIXME: can we do this job when creating the shortcut manager?
 // A quick look shows that it may require some coordination with the
 // resource manager.  Startup is complicated, but maybe we can make
 // it simpler?
 shortcut_manager& scmgr = m_octave_qobj.get_shortcut_manager ();
 scmgr.init_data ();
 construct_central_widget ();
 m_status_bar = new QStatusBar (this);
 m_profiler_status_indicator = new led_indicator ();
 QLabel *text = new QLabel (tr ("Profiler"));
 m_status_bar->addPermanentWidget (text);
 m_status_bar->addPermanentWidget (m_profiler_status_indicator);
 adopt_dock_widgets ();
 #if defined (HAVE_QGUIAPPLICATION_SETDESKTOPFILENAME)
 QGuiApplication::setDesktopFileName ("org.octave.Octave.desktop");
 #endif
 QApplication *qapp = m_octave_qobj.qapplication ();
 m_default_style = qapp->style ()->objectName ();
 m_default_palette = qapp->palette ();
 gui_settings *settings = rmgr.get_settings ();
 bool connect_to_web = true;
 QDateTime last_checked;
 int serial = 0;
 m_active_dock = nullptr;
 if (settings)
 {
 connect_to_web
 = settings->value (nr_allow_connection).toBool ();
 last_checked
 = settings->value (nr_last_time).toDateTime ();
 serial = settings->value (nr_last_news).toInt ();
 m_default_encoding = settings->value (ed_default_enc).toString ();
 }
 QDateTime current = QDateTime::currentDateTime ();
 QDateTime one_day_ago = current.addDays (-1);
 if (connect_to_web
 && (! last_checked.isValid () || one_day_ago > last_checked))
 emit show_community_news_signal (serial);
 construct_octave_qt_link ();
 // We have to set up all our windows, before we finally launch
 // octave.
 construct ();
 read_settings ();
 init_terminal_size ();
 emit init_window_menu ();
+focus_command_window ();
+}
+main_window::~main_window (void) { }
+void main_window::adopt_dock_widgets (void)
+{
+adopt_terminal_widget ();
+adopt_documentation_widget ();
+adopt_file_browser_widget ();
+adopt_history_widget ();
+adopt_workspace_widget ();
+adopt_editor_widget ();
+adopt_variable_editor_widget ();
+m_previous_dock = m_command_window;
+}
+void main_window::adopt_terminal_widget (void)
+{
+m_command_window = m_octave_qobj.terminal_widget (this);
+make_dock_widget_connections (m_command_window);
+connect (this, &main_window::settings_changed,
+m_command_window, &terminal_dock_widget::notice_settings);
+if (! m_octave_qobj.experimental_terminal_widget ())
+{
+QTerminal *cmd_widget = m_command_window->get_qterminal ();
+// The following connections were previously made in
+// QTerminal::construct, QWinTerminalImpl::QWinTerminalImpl, and
+// QUnixTerminalImpl::QUnixTerminalImpl.  Similar actions should
+// probably be possible for the new command widget.
+connect (cmd_widget, &QTerminal::report_status_message,
+this, &main_window::report_status_message);
+connect (cmd_widget, &QTerminal::edit_mfile_request,
+this, &main_window::edit_mfile);
+connect (cmd_widget, &QTerminal::execute_command_in_terminal_signal,
+this, &main_window::execute_command_in_terminal);
+connect (this, &main_window::init_terminal_size_signal,
+cmd_widget, &QTerminal::init_terminal_size);
+connect (this, &main_window::copyClipboard_signal,
+cmd_widget, &QTerminal::copyClipboard);
+connect (this, &main_window::pasteClipboard_signal,
+cmd_widget, &QTerminal::pasteClipboard);
+connect (this, &main_window::selectAll_signal,
+cmd_widget, &QTerminal::selectAll);
+connect (cmd_widget, &QTerminal::request_edit_mfile_signal,
+this, &main_window::edit_mfile);
+connect (cmd_widget, &QTerminal::request_open_file_signal,
+this, QOverload<const QString&, const QString&, int>::of (&main_window::open_file_signal));
+connect (cmd_widget, &QTerminal::set_screen_size_signal,
+this, &main_window::set_screen_size);
+connect (cmd_widget, &QTerminal::clear_command_window_request,
+this, &main_window::handle_clear_command_window_request);
+}
+else
+{
+connect (this, &main_window::execute_command_signal,
+m_command_window, &terminal_dock_widget::execute_command_signal);
+}
+}
+void main_window::adopt_documentation_widget (void)
+{
+m_doc_browser_window = m_octave_qobj.documentation_widget (this);
+make_dock_widget_connections (m_doc_browser_window);
+}
+void main_window::adopt_file_browser_widget (void)
+{
+m_file_browser_window = m_octave_qobj.file_browser_widget (this);
+make_dock_widget_connections (m_file_browser_window);
+connect (m_file_browser_window, &files_dock_widget::open_file,
+this, QOverload<const QString&>::of (&main_window::open_file_signal));
+connect (m_file_browser_window,
+&files_dock_widget::displayed_directory_changed,
+this, &main_window::set_current_working_directory);
+connect (m_file_browser_window, &files_dock_widget::modify_path_signal,
+this, &main_window::modify_path);
+connect (m_file_browser_window, &files_dock_widget::run_file_signal,
+this, &main_window::run_file_in_terminal);
+connect (m_file_browser_window, &files_dock_widget::load_file_signal,
+this, &main_window::handle_load_workspace_request);
+connect (m_file_browser_window, &files_dock_widget::open_any_signal,
+this, &main_window::handle_open_any_request);
+connect (m_file_browser_window, &files_dock_widget::find_files_signal,
+this, &main_window::find_files);
+}
+void main_window::adopt_history_widget (void)
+{
+m_history_window = m_octave_qobj.history_widget (this);
+make_dock_widget_connections (m_history_window);
+connect (m_history_window, &history_dock_widget::command_create_script,
+this, &main_window::new_file_signal);
+connect (m_history_window, &history_dock_widget::command_double_clicked,
+this, &main_window::execute_command_in_terminal);
+}
+void main_window::adopt_workspace_widget (void)
+{
+m_workspace_window = m_octave_qobj.workspace_widget (this);
+make_dock_widget_connections (m_workspace_window);
+connect (m_workspace_window, &workspace_view::command_requested,
+this, &main_window::execute_command_in_terminal);
+}
+void main_window::adopt_editor_widget (void)
+{
+interpreter_qobject *interp_qobj = m_octave_qobj.interpreter_qobj ();
+qt_interpreter_events *qt_link = interp_qobj->qt_link ();
+#if defined (HAVE_QSCINTILLA)
+file_editor *editor = new file_editor (this, m_octave_qobj);
+make_dock_widget_connections (editor);
+// The editor is currently different from other dock widgets.  Until
+// those differences are resolved, make interpreter_event
+// connections here instead of in base_qobject::editor_widget.
+m_octave_qobj.connect_interpreter_events (editor);
+connect (editor, &file_editor::request_settings_dialog,
+this, QOverload<const QString&>::of (&main_window::process_settings_dialog_request));
+connect (editor, &file_editor::request_dbcont_signal,
+this, &main_window::debug_continue);
+connect (this, &main_window::update_gui_lexer_signal,
+editor, &file_editor::update_gui_lexer_signal);
+connect (editor, &file_editor::execute_command_in_terminal_signal,
+this, &main_window::execute_command_in_terminal);
+connect (editor, &file_editor::focus_console_after_command_signal,
+this, &main_window::focus_console_after_command);
+connect (editor, &file_editor::run_file_signal,
+this, &main_window::run_file_in_terminal);
+connect (editor, &file_editor::edit_mfile_request,
+this, &main_window::handle_edit_mfile_request);
+connect (editor, &file_editor::debug_quit_signal,
+this, &main_window::debug_quit);
+connect (this, &main_window::editor_focus_changed,
+editor, &file_editor::enable_menu_shortcuts);
+connect (this, &main_window::step_into_file_signal,
+editor, &file_editor::request_step_into_file);
+connect (editor, &file_editor::editor_tabs_changed_signal,
+this, &main_window::editor_tabs_changed);
+connect (editor, &file_editor::request_open_file_external,
+m_external_editor, &external_editor_interface::call_custom_editor);
+connect (m_external_editor, &external_editor_interface::request_settings_dialog,
+this, &main_window::process_settings_dialog_request);
+connect (this, &main_window::insert_debugger_pointer_signal,
+editor, &file_editor::handle_insert_debugger_pointer_request);
+connect (this, &main_window::delete_debugger_pointer_signal,
+editor, &file_editor::handle_delete_debugger_pointer_request);
+connect (this, &main_window::update_breakpoint_marker_signal,
+editor, &file_editor::handle_update_breakpoint_marker_request);
+// Signals for removing/renaming files/dirs in the file browser
+connect (m_file_browser_window, &files_dock_widget::file_remove_signal,
+editor, &file_editor::handle_file_remove);
+connect (m_file_browser_window, &files_dock_widget::file_renamed_signal,
+editor, &file_editor::handle_file_renamed);
+// Signals for removing/renaming files/dirs in the terminal window
+connect (qt_link, &qt_interpreter_events::file_renamed_signal,
+editor, &file_editor::handle_file_renamed);
+// Signals for entering/exiting debug mode
+connect (qt_link, &qt_interpreter_events::enter_debugger_signal,
+editor, &file_editor::handle_enter_debug_mode);
+connect (qt_link, &qt_interpreter_events::exit_debugger_signal,
+editor, &file_editor::handle_exit_debug_mode);
+connect (qt_link, &qt_interpreter_events::directory_changed_signal,
+editor, &file_editor::update_octave_directory);
+m_editor_window = editor;
+m_editor_menubar = m_editor_window->menubar ();
+m_active_editor = m_editor_window;
+m_editor_window->enable_menu_shortcuts (false);
+#else
+m_editor_window = nullptr;
+m_editor_menubar = nullptr;
+m_active_editor = m_external_editor;
+#endif
+connect (qt_link, SIGNAL (edit_file_signal (const QString&)),
+m_active_editor, SLOT (handle_edit_file_request (const QString&)));
+}
+void main_window::adopt_variable_editor_widget (void)
+{
+m_variable_editor_window = m_octave_qobj.variable_editor_widget (this);
+make_dock_widget_connections (m_variable_editor_window);
+}
+void main_window::make_dock_widget_connections (octave_dock_widget *dw)
+{
+connect (this, &main_window::init_window_menu,
+dw, &octave_dock_widget::init_window_menu_entry);
+connect (this, &main_window::settings_changed,
+dw, &octave_dock_widget::handle_settings);
+connect (this, &main_window::active_dock_changed,
+dw, &octave_dock_widget::handle_active_dock_changed);
+// FIXME: shouldn't this action should be associated with closing
+// the main window, not with exiting the application?  At one time,
+// those two actions happened together, but now it is possible to
+// close the main window without exiting the application.
+connect (qApp, &QApplication::aboutToQuit,
+dw, &octave_dock_widget::save_settings);
+// The following is required when the exp. terminal widget is used
+// and the main window is closed (no exit via interpreter)
+connect (this, &main_window::close_gui_signal,
+dw, &octave_dock_widget::save_settings);
+}
+bool main_window::command_window_has_focus (void) const
+{
+return m_command_window->has_focus ();
+}
+void main_window::focus_command_window (void)
+{
+m_command_window->activate ();
+}
+void main_window::focus_window (const QString& win_name)
+{
+if (win_name == "command")
+m_command_window->activate ();
+else if (win_name == "history")
+m_history_window->activate ();
+else if (win_name == "workspace")
+m_workspace_window->activate ();
+else if (win_name == "filebrowser")
+m_file_browser_window->activate ();
+}
+bool main_window::confirm_shutdown (void)
+{
+bool closenow = true;
+resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
+gui_settings *settings = rmgr.get_settings ();
+if (settings->value (global_prompt_to_exit.key,
+global_prompt_to_exit.def).toBool ())
+{
+int ans = QMessageBox::question (this, tr ("Octave"),
+tr ("Are you sure you want to exit Octave?"),
+(QMessageBox::Ok
+| QMessageBox::Cancel),
+QMessageBox::Ok);
+if (ans != QMessageBox::Ok)
+closenow = false;
+}
+#if defined (HAVE_QSCINTILLA)
+if (closenow)
+closenow = m_editor_window->check_closing ();
+#endif
+return closenow;
+}
+// catch focus changes and determine the active dock widget
+void main_window::focus_changed (QWidget *, QWidget *new_widget)
+{
+// If there is no new widget or the new widget is a menu bar
+// (when pressing <alt>), we can return immediately and reset the
+// focus to the previous widget
+if (! new_widget
+|| (new_widget == menuBar ())
+|| (new_widget == m_editor_menubar))
+{
+if (m_active_dock)
+m_active_dock->setFocus ();
+return;
+}
+octave_dock_widget *dock = nullptr;
+QWidget *w_new = new_widget;  // get a copy of new focus widget
+QWidget *start = w_new;       // Save it as start of our search
+int count = 0;                // fallback to prevent endless loop
+QList<octave_dock_widget *> w_list = dock_widget_list ();
+while (w_new && w_new != m_main_tool_bar && count < 100)
+{
+// Go through all dock widgets and check whether the current widget
+// with focus is a child of one of them.
+for (auto w : w_list)
+{
+if (w->isAncestorOf (w_new))
+dock = w;
+}
+if (dock)
+break;
+// If not yet found (in case w_new is not a child of its dock widget),
+// test next widget in the focus chain
+w_new = qobject_cast<QWidget *> (w_new->previousInFocusChain ());
+// Measures preventing an endless loop
+if (w_new == start)
+break;  // We have arrived where we began ==> exit loop
+count++;  // Limited number of trials
+}
+// editor and terminal needs extra handling
+octave_dock_widget *edit_dock_widget
+= static_cast<octave_dock_widget *> (m_editor_window);
+octave_dock_widget *cmd_dock_widget
+= static_cast<octave_dock_widget *> (m_command_window);
+// if new dock has focus, emit signal and store active focus
+// except editor changes to a dialog (dock=0)
+if ((dock || m_active_dock != edit_dock_widget) && (dock != m_active_dock))
+{
+// signal to all dock widgets for updating the style
+emit active_dock_changed (m_active_dock, dock);
+if (dock)
+{
+QList<QDockWidget *> tabbed = tabifiedDockWidgets (dock);
+if (tabbed.contains (m_active_dock))
+dock->set_predecessor_widget (m_active_dock);
+}
+// Check whether editor loses or gains focus
+int editor = 0;
+if (edit_dock_widget == dock)
+{
+emit editor_focus_changed (true);
+editor = 1;
+}
+else if (edit_dock_widget == m_active_dock)
+{
+emit editor_focus_changed (false);
+editor = -1;
+}
+// Check whether terminal loses or gains focus
+int cmd_involved = 0;
+if (cmd_dock_widget == dock)
+cmd_involved = 1;
+else if (cmd_dock_widget == m_active_dock)
+cmd_involved = -1;
+// If we have to take care of Alt+? accelerators of the main
+// window, take result of test for terminal widget above
+int command = 0;
+if (m_prevent_readline_conflicts_menu)
+command = cmd_involved;
+// If editor or command gets/looses focus, disable/enable
+// main menu accelerators (Alt + ?)
+if (editor || command)
+{
+int sum = editor + command;
+if (sum > 0)
+disable_menu_shortcuts (true);
+else if (sum < 0)
+disable_menu_shortcuts (false);
+}
+if (m_active_dock)
+m_previous_dock = m_active_dock;
+m_active_dock = dock;
+// En-/disable global shortcuts (preventing conflicts with
+// readline. Do it here because it relies on m_active_dock
+if (cmd_involved)
+configure_shortcuts ();
+}
+}
+void main_window::request_reload_settings (void)
+{
+resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
+gui_settings *settings = rmgr.get_settings ();
+if (settings)
+emit settings_changed (settings);
+}
+void main_window::report_status_message (const QString& statusMessage)
+{
+m_status_bar->showMessage (statusMessage, 1000);
+}
+void main_window::handle_save_workspace_request (void)
+{
+// FIXME: Remove, if for all common KDE versions (bug #54607) is resolved.
+int opts = 0;  // No options by default.
+resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
+gui_settings *settings = rmgr.get_settings ();
+if (! settings->value (global_use_native_dialogs).toBool ())
+opts = QFileDialog::DontUseNativeDialog;
+QString file
+= QFileDialog::getSaveFileName (this, tr ("Save Workspace As"), ".",
+nullptr, nullptr, QFileDialog::Option (opts));
+if (! file.isEmpty ())
+{
+emit interpreter_event
+([=] (interpreter& interp)
+{
+// INTERPRETER THREAD
+Fsave (interp, ovl (file.toStdString ()));
+});
+}
+}
+void main_window::handle_load_workspace_request (const QString& file_arg)
+{
+// FIXME: Remove, if for all common KDE versions (bug #54607) is resolved.
+int opts = 0;  // No options by default.
+resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
+gui_settings *settings = rmgr.get_settings ();
+if (! settings->value (global_use_native_dialogs).toBool ())
+opts = QFileDialog::DontUseNativeDialog;
+QString file = file_arg;
+if (file.isEmpty ())
+file = QFileDialog::getOpenFileName (this, tr ("Load Workspace"), ".",
+nullptr, nullptr, QFileDialog::Option (opts));
+if (! file.isEmpty ())
+{
+emit interpreter_event
+([=] (interpreter& interp)
+{
+// INTERPRETER THREAD
+Fload (interp, ovl (file.toStdString ()));
+tree_evaluator& tw = interp.get_evaluator ();
+event_manager& xevmgr = interp.get_event_manager ();
+xevmgr.set_workspace (true, tw.get_symbol_info ());
+});
+}
+}
+void main_window::handle_open_any_request (const QString& file_arg)
+{
+if (! file_arg.isEmpty ())
+{
+std::string file = file_arg.toStdString ();
+emit interpreter_event
+([=] (interpreter& interp)
+{
+// INTERPRETER THREAD
+interp.feval ("open", ovl (file));
+// Update the workspace since open.m may have loaded new
+// variables.
+tree_evaluator& tw = interp.get_evaluator ();
+event_manager& xevmgr = interp.get_event_manager ();
+xevmgr.set_workspace (true, tw.get_symbol_info ());
+});
+}
+}
+void main_window::handle_clear_workspace_request (void)
+{
+emit interpreter_event
+([] (interpreter& interp)
+{
+// INTERPRETER THREAD
+Fclear (interp);
+});
+}
+void main_window::handle_clear_command_window_request (void)
+{
+emit interpreter_event
+([] (void)
+{
+// INTERPRETER THREAD
+command_editor::kill_full_line ();
+command_editor::clear_screen ();
+});
+}
+void main_window::handle_clear_history_request (void)
+{
+emit interpreter_event
+([] (interpreter& interp)
+{
+// INTERPRETER THREAD
+history_system& history_sys = interp.get_history_system ();
+history_sys.do_history (ovl ("-c"));
+});
+}
+void main_window::handle_undo_request (void)
+{
+if (command_window_has_focus ())
+{
+emit interpreter_event
+([] (void)
+{
+// INTERPRETER THREAD
+command_editor::undo ();
+command_editor::redisplay ();
+});
+}
+else
+emit undo_signal ();
+}
+void main_window::modify_path (const QStringList& dir_list,
+bool rm, bool subdirs)
+{
+emit interpreter_event
+([=] (interpreter& interp)
+{
+// INTERPRETER THREAD
+octave_value_list paths;
+// Loop over all directories in order to get all subdirs
+for (octave_idx_type i = 0; i < dir_list.length (); i++)
+{
+std::string dir = dir_list.at(i).toStdString ();
+if (subdirs)
+paths.append (Fgenpath (ovl (dir)));
+else
+paths.append (dir);
+}
+if (rm)
+Frmpath (interp, paths);
+else
+Faddpath (interp, paths);
+});
+}
+void main_window::edit_mfile (const QString& name, int line)
+{
+handle_edit_mfile_request (name, QString (), QString (), line);
+}
+void main_window::file_remove_proxy (const QString& o, const QString& n)
+{
+interpreter_qobject *interp_qobj = m_octave_qobj.interpreter_qobj ();
+qt_interpreter_events *qt_link = interp_qobj->qt_link ();
+// Wait for worker to suspend
+qt_link->lock ();
+// Close the file if opened
+#if defined (HAVE_QSCINTILLA)
+m_editor_window->handle_file_remove (o, n);
+#else
+octave_unused_parameter (o);
+octave_unused_parameter (n);
+#endif
+// We are done: Unlock and wake the worker thread
+qt_link->unlock ();
+qt_link->wake_all ();
+}
+void main_window::open_online_documentation_page (void)
+{
+QDesktopServices::openUrl
+(QUrl ("https://octave.org/doc/interpreter/index.html"));
+}
+void main_window::open_bug_tracker_page (void)
+{
+QDesktopServices::openUrl (QUrl ("https://octave.org/bugs.html"));
+}
+void main_window::open_octave_packages_page (void)
+{
+QDesktopServices::openUrl (QUrl ("https://packages.octave.org/index.html"));
+}
+void main_window::open_contribute_page (void)
+{
+QDesktopServices::openUrl (QUrl ("https://octave.org/contribute.html"));
+}
+void main_window::open_donate_page (void)
+{
+QDesktopServices::openUrl (QUrl ("https://octave.org/donate.html"));
+}
+void main_window::process_settings_dialog_request (const QString& desired_tab)
+{
+if (m_settings_dlg)  // m_settings_dlg is a guarded pointer!
+{
+// here the dialog is still open and called once again
+if (! desired_tab.isEmpty ())
+m_settings_dlg->show_tab (desired_tab);
+return;
+}
+m_settings_dlg = new settings_dialog (this, m_octave_qobj, desired_tab);
+connect (m_settings_dlg, &settings_dialog::apply_new_settings,
+this, &main_window::request_reload_settings);
+m_settings_dlg->setModal (false);
+m_settings_dlg->setAttribute (Qt::WA_DeleteOnClose);
+m_settings_dlg->show ();
+}
+void main_window::show_about_octave (void)
+{
+std::string message
+= octave_name_version_copyright_copying_warranty_and_bugs (true);
+QMessageBox::about (this, tr ("About Octave"),
+QString::fromStdString (message));
+}
+void main_window::notice_settings (const gui_settings *settings,
+bool update_by_worker)
+{
+if (! settings)
+return;
+// Get desired style from preferences or take the default one if
+// the desired one is not found
+QString preferred_style = settings->value (global_style).toString ();
+if (preferred_style == global_style.def.toString ())
+preferred_style = m_default_style;
+QApplication* qapp = m_octave_qobj.qapplication();
+if (preferred_style == global_extra_styles.at (EXTRA_STYLE_FUSION_DARK))
+{
+QStyle *new_style = QStyleFactory::create (QStringLiteral("Fusion"));
+if (new_style)
+qapp->setStyle (new_style);
+qapp->setPalette (getFusionDarkPalette());
+qapp->setStyleSheet ("QToolTip { color: #ffffff; background-color: #2a82da; border: 1px solid white; }");
+}
+else
+{
+QStyle *new_style = QStyleFactory::create (preferred_style);
+if (new_style)
+{
+qapp->setPalette (m_default_palette);
+qapp->setStyle (new_style);
+}
+}
+// the widget's icons (when floating)
+QString icon_set = settings->value (dw_icon_set).toString ();
+QString icon;
+for (auto *widget : dock_widget_list ())
+{
+QString name = widget->objectName ();
+if (! name.isEmpty ())
+{
+// if child has a name
+icon = dw_icon_set_names[icon_set];
+if (icon_set != "NONE")
+icon += name + ".png"; // add widget name and ext.
+widget->setWindowIcon (QIcon (icon));
+}
+}
+int size_idx = settings->value (global_icon_size).toInt ();
+size_idx = (size_idx > 0) - (size_idx < 0) + 1;  // Make valid index from 0 to 2
+QStyle *st = style ();
+int icon_size = st->pixelMetric (global_icon_sizes[size_idx]);
+m_main_tool_bar->setIconSize (QSize (icon_size, icon_size));
+if (settings->value (global_status_bar).toBool ())
+m_status_bar->show ();
+else
+m_status_bar->hide ();
+m_prevent_readline_conflicts
+= settings->value (sc_prevent_rl_conflicts).toBool ();
+m_prevent_readline_conflicts_menu
+= settings->value (sc_prevent_rl_conflicts_menu).toBool ();
+m_suppress_dbg_location
+= ! settings->value (cs_dbg_location).toBool ();
+resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
+rmgr.update_network_settings ();
+emit active_dock_changed (nullptr, m_active_dock); // update dock widget styles
+configure_shortcuts ();
+bool do_disable_main_menu_shortcuts
+= (m_active_dock == m_editor_window)
+|| (m_prevent_readline_conflicts_menu
+&& (m_active_dock == m_command_window));
+disable_menu_shortcuts (do_disable_main_menu_shortcuts);
+// Check whether some octave internal preferences have to be updated
+QString new_default_encoding
+= settings->value (ed_default_enc).toString ();
+// Do not update internal pref only if a) this update was not initiated
+// by the worker and b) the pref has really changes
+if (! update_by_worker && (new_default_encoding != m_default_encoding))
+update_default_encoding (new_default_encoding);
+// Set cursor blinking depending on the settings
+// Cursor blinking: consider old terminal related setting if not yet set
+// TODO: This pref. can be deprecated / removed if Qt adds support for
+//       getting the cursor blink preferences from all OS environments
+bool cursor_blinking;
+if (settings->contains (global_cursor_blinking.key))
+cursor_blinking = settings->value (global_cursor_blinking).toBool ();
+else
+cursor_blinking = settings->value (cs_cursor_blinking).toBool ();
+if (cursor_blinking)
+QApplication::setCursorFlashTime (1000);  // 1000 ms flash time
+else
+QApplication::setCursorFlashTime (0);  // no flashing
+}
+QPalette main_window::getFusionDarkPalette()
+{
+QPalette darkPalette;
+darkPalette.setColor(QPalette::Window, QColor(53, 53, 53));
+darkPalette.setColor(QPalette::WindowText, Qt::white);
+darkPalette.setColor(QPalette::Disabled, QPalette::WindowText, QColor(127, 127, 127));
+darkPalette.setColor(QPalette::Base, QColor(42, 42, 42));
+darkPalette.setColor(QPalette::AlternateBase, QColor(66, 66, 66));
+darkPalette.setColor(QPalette::ToolTipBase, Qt::white);
+darkPalette.setColor(QPalette::ToolTipText, Qt::white);
+darkPalette.setColor(QPalette::Text, Qt::white);
+darkPalette.setColor(QPalette::Disabled, QPalette::Text, QColor(127, 127, 127));
+darkPalette.setColor(QPalette::Dark, QColor(35, 35, 35));
+darkPalette.setColor(QPalette::Shadow, QColor(20, 20, 20));
+darkPalette.setColor(QPalette::Button, QColor(53, 53, 53));
+darkPalette.setColor(QPalette::ButtonText, Qt::white);
+darkPalette.setColor(QPalette::Disabled, QPalette::ButtonText, QColor(127, 127, 127));
+darkPalette.setColor(QPalette::BrightText, Qt::red);
+darkPalette.setColor(QPalette::Link, QColor(42, 130, 218));
+darkPalette.setColor(QPalette::Highlight, QColor(42, 130, 218));
+darkPalette.setColor(QPalette::Disabled, QPalette::Highlight, QColor(80, 80, 80));
+darkPalette.setColor(QPalette::HighlightedText, Qt::white);
+darkPalette.setColor(QPalette::Disabled, QPalette::HighlightedText, QColor(127, 127, 127));
+return darkPalette;
+}
+void main_window::prepare_to_exit (void)
+{
+// Find files dialog is constructed dynamically, not at time of main_window
+// construction.  Connecting it to qApp aboutToQuit signal would have
+// caused it to run after gui_settings is deleted.
+if (m_find_files_dlg)
+m_find_files_dlg->save_settings ();
+if (m_set_path_dlg)
+m_set_path_dlg->save_settings ();
+write_settings ();
+// No more active dock, otherwise, focus_changed would try to set
+// the focus to a dock widget that might not exist anymore
+m_active_dock = nullptr;
+}
+void main_window::go_to_previous_widget (void)
+{
+m_previous_dock->activate ();
+}
+void main_window::update_octave_directory (const QString& dir)
+{
+// Remove existing entry, if any, then add new directory at top and
+// mark it as the current directory.  Finally, update the file list
+// widget.
+int index = m_current_directory_combo_box->findText (dir);
+if (index >= 0)
+m_current_directory_combo_box->removeItem (index);
+m_current_directory_combo_box->insertItem (0, dir);
+m_current_directory_combo_box->setCurrentIndex (0);
+}
+void main_window::browse_for_directory (void)
+{
+// FIXME: Remove, if for all common KDE versions (bug #54607) is resolved.
+int opts = QFileDialog::ShowDirsOnly;
+resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
+gui_settings *settings = rmgr.get_settings ();
+if (! settings->value (global_use_native_dialogs).toBool ())
+opts = QFileDialog::DontUseNativeDialog;
+QString dir
+= QFileDialog::getExistingDirectory (this, tr ("Browse directories"), nullptr,
+QFileDialog::Option (opts));
+set_current_working_directory (dir);
+// FIXME: on Windows systems, the command window freezes after the
+// previous actions.  Forcing the focus appears to unstick it.
+focus_command_window ();
+}
+void main_window::set_current_working_directory (const QString& dir)
+{
+// Change to dir if it is an existing directory.
+QString xdir = (dir.isEmpty () ? "." : dir);
+QFileInfo fileInfo (xdir);
+if (fileInfo.exists () && fileInfo.isDir ())
+{
+emit interpreter_event
+([=] (interpreter& interp)
+{
+// INTERPRETER THREAD
+interp.chdir (xdir.toStdString ());
+});
+}
+}
+void main_window::change_directory_up (void)
+{
+set_current_working_directory ("..");
+}
+// Slot that is called if return is pressed in the line edit of the
+// combobox to change to a new directory or a directory that is already
+// in the drop down list.
+void main_window::accept_directory_line_edit (void)
+{
+// Get new directory name, and change to it if it is new.  Otherwise,
+// the combo box will trigger the "activated" signal to change to the
+// directory.
+QString dir = m_current_directory_combo_box->currentText ();
+int index = m_current_directory_combo_box->findText (dir);
+if (index < 0)
+set_current_working_directory (dir);
+}
+void main_window::execute_command_in_terminal (const QString& command)
+{
+if (m_octave_qobj.experimental_terminal_widget ())
+{
+emit execute_command_signal (command);
+}
+else
+{
+emit interpreter_event
+([=] (void)
+{
+// INTERPRETER THREAD
+std::string pending_input = command_editor::get_current_line ();
+command_editor::set_initial_input (pending_input);
+command_editor::replace_line (command.toStdString ());
+command_editor::redisplay ();
+command_editor::interrupt_event_loop ();
+command_editor::accept_line ();
+});
+}
+focus_console_after_command ();
+}
+void main_window::run_file_in_terminal (const QFileInfo& info)
+{
+emit interpreter_event
+([=] (interpreter& interp)
+{
+// INTERPRETER THREAD
+QString function_name = info.fileName ();
+function_name.chop (info.suffix ().length () + 1);
+std::string file_path = info.absoluteFilePath ().toStdString ();
+std::string pending_input = command_editor::get_current_line ();
+if (valid_identifier (function_name.toStdString ()))
+{
+// Valid identifier: call as function with possibility to
+// debug.
+load_path& lp = interp.get_load_path ();
+std::string path = info.absolutePath ().toStdString ();
+if (lp.contains_file_in_dir (file_path, path))
+command_editor::replace_line (function_name.toStdString ());
+}
+else
+{
+// No valid identifier: use equivalent of Fsource (), no
+// debug possible.
+interp.source_file (file_path);
+command_editor::replace_line ("");
+}
+command_editor::set_initial_input (pending_input);
+command_editor::redisplay ();
+command_editor::interrupt_event_loop ();
+command_editor::accept_line ();
+});
+focus_console_after_command ();
+}
+void main_window::handle_new_figure_request (void)
+{
+emit interpreter_event
+([] (interpreter& interp)
+{
+// INTERPRETER THREAD
+Fbuiltin (interp, ovl ("figure"));
+Fdrawnow (interp);
+});
+}
+void main_window::handle_enter_debugger (void)
+{
+setWindowTitle ("Octave (Debugging)");
+m_debug_continue->setEnabled (true);
+m_debug_step_into->setEnabled (true);
+m_debug_step_over->setEnabled (true);
+m_debug_step_out->setEnabled (true);
+m_debug_quit->setEnabled (true);
+}
+void main_window::handle_exit_debugger (void)
+{
+setWindowTitle ("Octave");
+m_debug_continue->setEnabled (false);
+m_debug_step_into->setEnabled (false);
+m_debug_step_over->setEnabled (m_editor_has_tabs && m_editor_is_octave_file);
+m_debug_step_out->setEnabled (false);
+m_debug_quit->setEnabled (false);
+}
+void main_window::debug_continue (void)
+{
+emit interpreter_event
+([=] (interpreter& interp)
+{
+// INTERPRETER THREAD
+F__db_next_breakpoint_quiet__ (interp, ovl (m_suppress_dbg_location));
+Fdbcont (interp);
+command_editor::interrupt (true);
+});
+}
+void main_window::debug_step_into (void)
+{
+emit interpreter_event
+([=] (interpreter& interp)
+{
+// INTERPRETER THREAD
+F__db_next_breakpoint_quiet__ (interp, ovl (m_suppress_dbg_location));
+Fdbstep (interp, ovl ("in"));
+command_editor::interrupt (true);
+});
+}
+void main_window::debug_step_over (void)
+{
+if (m_debug_quit->isEnabled ())
+{
+// We are in debug mode, just call dbstep.
+emit interpreter_event
+([=] (interpreter& interp)
+{
+// INTERPRETER THREAD
+F__db_next_breakpoint_quiet__ (interp,
+ovl (m_suppress_dbg_location));
+Fdbstep (interp);
+command_editor::interrupt (true);
+});
+}
+else
+{
+// Not in debug mode: "step into" the current editor file
+emit step_into_file_signal ();
+}
+}
+void main_window::debug_step_out (void)
+{
+emit interpreter_event
+([=] (interpreter& interp)
+{
+// INTERPRETER THREAD
+F__db_next_breakpoint_quiet__ (interp, ovl (m_suppress_dbg_location));
+Fdbstep (interp, ovl ("out"));
+command_editor::interrupt (true);
+});
+}
+void main_window::debug_quit (void)
+{
+emit interpreter_event
+([] (interpreter& interp)
+{
+// INTERPRETER THREAD
+Fdbquit (interp);
+command_editor::interrupt (true);
+});
+}
+//
+// Functions related to file editing
+//
+// These are moved from editor to here for also using them when octave
+// is built without qscintilla
+//
+void main_window::request_open_file (void)
+{
+// Open file isn't a file_editor_tab or editor function since the file
+// might be opened in an external editor.  Hence, functionality is here.
+resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
+gui_settings *settings = rmgr.get_settings ();
+bool is_internal = m_editor_window
+&& ! settings->value (global_use_custom_editor.key,
+global_use_custom_editor.def).toBool ();
+// Create a NonModal message.
+QWidget *p = this;
+if (is_internal)
+p = m_editor_window;
+QFileDialog *fileDialog = new QFileDialog (p);
+fileDialog->setNameFilter (tr ("Octave Files (*.m);;All Files (*)"));
+fileDialog->setAcceptMode (QFileDialog::AcceptOpen);
+fileDialog->setViewMode (QFileDialog::Detail);
+fileDialog->setFileMode (QFileDialog::ExistingFiles);
+fileDialog->setDirectory (m_current_directory_combo_box->itemText (0));
+// FIXME: Remove, if for all common KDE versions (bug #54607) is resolved.
+if (! settings->value (global_use_native_dialogs).toBool ())
+fileDialog->setOption(QFileDialog::DontUseNativeDialog);
+connect (fileDialog, &QFileDialog::filesSelected,
+this, &main_window::request_open_files);
+fileDialog->setWindowModality (Qt::NonModal);
+fileDialog->setAttribute (Qt::WA_DeleteOnClose);
+fileDialog->show ();
+}
+// Create a new script
+void main_window::request_new_script (const QString& commands)
+{
+emit new_file_signal (commands);
+}
+// Create a new function and open it
+void main_window::request_new_function (bool)
+{
+bool ok;
+// Get the name of the new function: Parent of the input dialog is the
+// editor window or the main window.  The latter is chosen, if a custom
+// editor is used or qscintilla is not available
+QWidget *p = m_editor_window;
+resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
+gui_settings *settings = rmgr.get_settings ();
+if (! p || settings->value (global_use_custom_editor.key,
+global_use_custom_editor.def).toBool ())
+p = this;
+QString new_name = QInputDialog::getText (p, tr ("New Function"),
+tr ("New function name:\n"), QLineEdit::Normal, "", &ok);
+if (ok && new_name.length () > 0)
+{
+// append suffix if it does not already exist
+if (new_name.rightRef (2) != ".m")
+new_name.append (".m");
+// check whether new files are created without prompt
+if (! settings->value (ed_create_new_file).toBool ())
+{
+// no, so enable this settings and wait for end of new file loading
+settings->setValue (ed_create_new_file.key, true);
+connect (m_editor_window, SIGNAL (file_loaded_signal (void)),
+this, SLOT (restore_create_file_setting (void)));
+}
+// start the edit command
+execute_command_in_terminal ("edit " + new_name);
+}
+}
+void main_window::handle_edit_mfile_request (const QString& fname,
+const QString& ffile,
+const QString& curr_dir,
+int line)
+{
+emit interpreter_event
+([=] (interpreter& interp)
+{
+// INTERPRETER THREAD
+// Split possible subfunctions
+QStringList fcn_list = fname.split ('>');
+QString fcn_name = fcn_list.at (0) + ".m";
+// FIXME: could use symbol_exist directly, but we may also want
+// to fix that to be a member function in the interpreter
+// class?
+// Is it a regular function within the search path? (Call Fexist)
+octave_value_list fct = Fexist (interp, ovl (fname.toStdString ()),0);
+int type = fct (0).int_value ();
+QString message = QString ();
+QString filename = QString ();
+switch (type)
+{
+case 3:
+case 5:
+case 103:
+message = tr ("%1 is a built-in, compiled or inline\n"
+"function and can not be edited.");
+break;
+case 2:
+// FIXME: could use a load_path function directly.
+octave_value_list file_path
+= Ffile_in_loadpath (interp, ovl (fcn_name.toStdString ()), 0);
+if (file_path.length () > 0)
+filename = QString::fromStdString (file_path (0).string_value ());
+break;
+}
+if (filename.isEmpty () && message.isEmpty ())
+{
+// No error so far, but function still not known
+// -> try directory of edited file
+// get directory
+QDir dir;
+if (ffile.isEmpty ())
+{
+if (curr_dir.isEmpty ())
+dir = QDir (m_current_directory_combo_box->itemText (0));
+else
+dir = QDir (curr_dir);
+}
+else
+dir = QDir (QFileInfo (ffile).canonicalPath ());
+QFileInfo file = QFileInfo (dir, fcn_name);
+if (file.exists ())
+filename = file.canonicalFilePath (); // local file exists
+else
+{
+// local file does not exist -> try private directory
+file = QFileInfo (ffile);
+file = QFileInfo (QDir (file.canonicalPath () + "/private"),
+fcn_name);
+if (file.exists ())
+filename = file.canonicalFilePath ();  // private function exists
+else
+message = tr ("Can not find function %1");  // no file found
+}
+}
+if (! message.isEmpty ())
+{
+emit warning_function_not_found_signal (message.arg (fname));
+return;
+}
+if (! filename.endsWith (".m"))
+filename.append (".m");
+// default encoding
+emit open_file_signal (filename, QString (), line);
+});
+}
+void main_window::warning_function_not_found (const QString& message)
+{
+QMessageBox *msgBox = new QMessageBox (QMessageBox::Critical,
+tr ("Octave Editor"),
+message, QMessageBox::Ok, this);
+msgBox->setWindowModality (Qt::NonModal);
+msgBox->setAttribute (Qt::WA_DeleteOnClose);
+msgBox->show ();
+}
+void main_window::handle_insert_debugger_pointer_request (const QString& file,
+int line)
+{
+bool cmd_focus = command_window_has_focus ();
+emit insert_debugger_pointer_signal (file, line);
+if (cmd_focus)
 focus_command_window ();
 }
-main_window::~main_window (void) { }
+void main_window::handle_delete_debugger_pointer_request (const QString& file,
+int line)
-void main_window::adopt_dock_widgets (void)
+{
-{
+bool cmd_focus = command_window_has_focus ();
-adopt_terminal_widget ();
-adopt_documentation_widget ();
+emit delete_debugger_pointer_signal (file, line);
-adopt_file_browser_widget ();
-adopt_history_widget ();
+if (cmd_focus)
-adopt_workspace_widget ();
+focus_command_window ();
-adopt_editor_widget ();
+}
-adopt_variable_editor_widget ();
+void main_window::handle_update_breakpoint_marker_request (bool insert,
-m_previous_dock = m_command_window;
+const QString& file,
-}
+int line,
+const QString& cond)
-void main_window::adopt_terminal_widget (void)
+{
-{
+bool cmd_focus = command_window_has_focus ();
-m_command_window = m_octave_qobj.terminal_widget (this);
+emit update_breakpoint_marker_signal (insert, file, line, cond);
-make_dock_widget_connections (m_command_window);
+if (cmd_focus)
-connect (this, &main_window::settings_changed,
+focus_command_window ();
-m_command_window, &terminal_dock_widget::notice_settings);
+}
-if (! m_octave_qobj.experimental_terminal_widget ())
+void main_window::read_settings (void)
 {
-QTerminal *cmd_widget = m_command_window->get_qterminal ();
+resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
+gui_settings *settings = rmgr.get_settings ();
-// The following connections were previously made in
-// QTerminal::construct, QWinTerminalImpl::QWinTerminalImpl, and
+if (! settings)
-// QUnixTerminalImpl::QUnixTerminalImpl.  Similar actions should
+{
-// probably be possible for the new command widget.
+qDebug ("Error: gui_settings pointer from resource manager is NULL.");
+return;
-connect (cmd_widget, &QTerminal::report_status_message,
+}
-this, &main_window::report_status_message);
+set_window_layout (settings);
-connect (cmd_widget, &QTerminal::edit_mfile_request,
-this, &main_window::edit_mfile);
+// restore the list of the last directories
+QStringList curr_dirs = settings->value (mw_dir_list).toStringList ();
-connect (cmd_widget, &QTerminal::execute_command_in_terminal_signal,
+for (int i=0; i < curr_dirs.size (); i++)
-this, &main_window::execute_command_in_terminal);
+{
+m_current_directory_combo_box->addItem (curr_dirs.at (i));
-connect (this, &main_window::init_terminal_size_signal,
+}
-cmd_widget, &QTerminal::init_terminal_size);
+emit settings_changed (settings);
+}
-connect (this, &main_window::copyClipboard_signal,
-cmd_widget, &QTerminal::copyClipboard);
+void main_window::init_terminal_size (void)
+{
-connect (this, &main_window::pasteClipboard_signal,
+emit init_terminal_size_signal ();
-cmd_widget, &QTerminal::pasteClipboard);
+}
-connect (this, &main_window::selectAll_signal,
+void main_window::set_window_layout (gui_settings *settings)
-cmd_widget, &QTerminal::selectAll);
+{
+// For resetting from some inconsistent state, first reset layout
-connect (cmd_widget, &QTerminal::request_edit_mfile_signal,
+// without saving or showing it
-this, &main_window::edit_mfile);
+do_reset_windows (true, false);
-connect (cmd_widget, &QTerminal::request_open_file_signal,
+// Restore main window state and geometry from settings file or, in case
-this, QOverload<const QString&, const QString&, int>::of (&main_window::open_file_signal));
+// of an error (no pref values yet), from the default layout.
+if (! restoreGeometry (settings->value (mw_geometry).toByteArray ()))
-connect (cmd_widget, &QTerminal::set_screen_size_signal,
+{
-this, &main_window::set_screen_size);
+do_reset_windows (true);
+return;
-connect (cmd_widget, &QTerminal::clear_command_window_request,
+}
-this, &main_window::handle_clear_command_window_request);
-}
+if (isMaximized())
-else
+{
-{
+// If the window state is restored to maximized layout, the
-connect (this, &main_window::execute_command_signal,
+// horizontal layout is not preserved. This cann be avoided by
-m_command_window, &terminal_dock_widget::execute_command_signal);
+// setting the geometry to the max. available geometry. However, on
-}
+// X11, the available geometry (excluding task bar etc.) is equal to
-}
+// the total geometry leading to a full screen mode without window
+// decorations. This in turn can be avoided by explicitly adding
-void main_window::adopt_documentation_widget (void)
+// a title bar in the window flags.
-{
-m_doc_browser_window = m_octave_qobj.documentation_widget (this);
+// Get available geometry for current screen and set this
+// window's geometry to it.
-make_dock_widget_connections (m_doc_browser_window);
+QScreen *s = windowHandle ()->screen ();
-}
+QRect av_geom = s->availableGeometry ();
+setGeometry (av_geom);  // Set (correct) available geometry
-void main_window::adopt_file_browser_widget (void)
-{
+// Force full title bar
-m_file_browser_window = m_octave_qobj.file_browser_widget (this);
+setWindowFlags(Qt::WindowTitleHint
+| Qt::WindowMinMaxButtonsHint
-make_dock_widget_connections (m_file_browser_window);
+| Qt::WindowSystemMenuHint
+| Qt::WindowCloseButtonHint);
-connect (m_file_browser_window, &files_dock_widget::open_file,
+}
-this, QOverload<const QString&>::of (&main_window::open_file_signal));
-connect (m_file_browser_window,
+if (! restoreState (settings->value (mw_state).toByteArray ()))
-&files_dock_widget::displayed_directory_changed,
+{
-this, &main_window::set_current_working_directory);
+do_reset_windows (true);
+return;
-connect (m_file_browser_window, &files_dock_widget::modify_path_signal,
+}
-this, &main_window::modify_path);
+// Restore the geometry of all dock-widgets
-connect (m_file_browser_window, &files_dock_widget::run_file_signal,
-this, &main_window::run_file_in_terminal);
+for (auto *widget : dock_widget_list ())
+{
-connect (m_file_browser_window, &files_dock_widget::load_file_signal,
+// Leave any widgets that existed before main_window was created
-this, &main_window::handle_load_workspace_request);
+// as they were.
-connect (m_file_browser_window, &files_dock_widget::open_any_signal,
+if (widget->adopted ())
-this, &main_window::handle_open_any_request);
+continue;
-connect (m_file_browser_window, &files_dock_widget::find_files_signal,
+QString name = widget->objectName ();
-this, &main_window::find_files);
-}
+if (! name.isEmpty ())
+{
-void main_window::adopt_history_widget (void)
+bool floating = false;
-{
+bool visible = true;
-m_history_window = m_octave_qobj.history_widget (this);
+floating = settings->value
-make_dock_widget_connections (m_history_window);
+(dw_is_floating.key.arg (name), dw_is_floating.def).toBool ();
+visible = settings->value
-connect (m_history_window, &history_dock_widget::command_create_script,
+(dw_is_visible.key.arg (name), dw_is_visible.def).toBool ();
-this, &main_window::new_file_signal);
+// If floating, make window from widget.
-connect (m_history_window, &history_dock_widget::command_double_clicked,
+if (floating)
-this, &main_window::execute_command_in_terminal);
+{
-}
+widget->make_window ();
-void main_window::adopt_workspace_widget (void)
+if (visible)
 {
-m_workspace_window = m_octave_qobj.workspace_widget (this);
+if (settings->value (dw_is_minimized.key.arg (name),
+dw_is_minimized.def).toBool ())
-make_dock_widget_connections (m_workspace_window);
+widget->showMinimized ();
+else
-connect (m_workspace_window, &workspace_view::command_requested,
+widget->setVisible (true);
-this, &main_window::execute_command_in_terminal);
+}
-}
+else
+widget->setVisible (false);
-void main_window::adopt_editor_widget (void)
+}
-{
+else  // not floating
-interpreter_qobject *interp_qobj = m_octave_qobj.interpreter_qobj ();
+{
+if (! widget->parent ())        // should not be floating but is
-qt_interpreter_events *qt_link = interp_qobj->qt_link ();
+widget->make_widget (false);  // no docking, just reparent
+widget->make_widget ();
+widget->setVisible (visible);   // not floating -> show
+}
+}
+}
+show ();
+}
+void main_window::write_settings (void)
+{
+resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
+gui_settings *settings = rmgr.get_settings ();
+if (! settings)
+{
+qDebug ("Error: gui_settings pointer from resource manager is NULL.");
+return;
+}
+settings->setValue (mw_geometry.key, saveGeometry ());
+settings->setValue (mw_state.key, saveState ());
+// write the list of recently used directories
+QStringList curr_dirs;
+for (int i=0; i<m_current_directory_combo_box->count (); i++)
+{
+curr_dirs.append (m_current_directory_combo_box->itemText (i));
+}
+settings->setValue (mw_dir_list.key, curr_dirs);
+settings->sync ();
+}
+void main_window::copyClipboard (void)
+{
+if (m_current_directory_combo_box->hasFocus ())
+{
+QLineEdit *edit = m_current_directory_combo_box->lineEdit ();
+if (edit && edit->hasSelectedText ())
+{
+QClipboard *clipboard = QApplication::clipboard ();
+clipboard->setText (edit->selectedText ());
+}
+}
+else
+emit copyClipboard_signal ();
+}
+void main_window::pasteClipboard (void)
+{
+if (m_current_directory_combo_box->hasFocus ())
+{
+QLineEdit *edit = m_current_directory_combo_box->lineEdit ();
+QClipboard *clipboard = QApplication::clipboard ();
+QString str = clipboard->text ();
+if (edit && str.length () > 0)
+{
+edit->insert (str);
+}
+}
+else
+emit pasteClipboard_signal ();
+}
+void main_window::selectAll (void)
+{
+if (m_current_directory_combo_box->hasFocus ())
+{
+QLineEdit *edit = m_current_directory_combo_box->lineEdit ();
+if (edit)
+{
+edit->selectAll ();
+}
+}
+else
+emit selectAll_signal ();
+}
+void main_window::handle_gui_status_update (const QString& feature,
+const QString& status)
+{
+// Put actions that are required for updating a gui features here
+// Profiler on/off
+if (! feature.compare ("profiler"))
+{
+if (! status.compare ("on", Qt::CaseInsensitive))
+handle_profiler_status_update (true);
+else if (! status.compare ("off", Qt::CaseInsensitive))
+handle_profiler_status_update (false);
+}
+}
+void main_window::handle_octave_ready (void)
+{
+// actions after the startup files are executed
+resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
+gui_settings *settings = rmgr.get_settings ();
+QDir startup_dir = QDir ();    // current octave dir after startup
+if (settings)
+{
+if (settings->value (global_restore_ov_dir).toBool ())
+{
+// restore last dir from previous session
+QStringList curr_dirs
+= settings->value (mw_dir_list).toStringList ();
+if (curr_dirs.length () > 0)
+startup_dir = QDir (curr_dirs.at (0));  // last dir prev. session
+}
+else if (! settings->value (global_ov_startup_dir).toString ().isEmpty ())
+{
+// do not restore but there is a startup dir configured
+startup_dir
+= QDir (settings->value (global_ov_startup_dir).toString ());
+}
+update_default_encoding (settings->value (ed_default_enc).toString ());
+}
+if (! startup_dir.exists ())
+{
+// the configured startup dir does not exist, take actual one
+startup_dir = QDir ();
+}
+set_current_working_directory (startup_dir.absolutePath ());
+if (m_editor_window)
+{
 #if defined (HAVE_QSCINTILLA)
-file_editor *editor = new file_editor (this, m_octave_qobj);
+// Octave ready, determine whether to create an empty script.
+// This can not be done when the editor is created because all functions
-make_dock_widget_connections (editor);
+// must be known for the lexer's auto completion information
+m_editor_window->empty_script (true, false);
-// The editor is currently different from other dock widgets.  Until
+m_editor_window->restore_session (settings);
-// those differences are resolved, make interpreter_event
+#endif
-// connections here instead of in base_qobject::editor_widget.
+}
-m_octave_qobj.connect_interpreter_events (editor);
+if (m_octave_qobj.experimental_terminal_widget ())
-connect (editor, &file_editor::request_settings_dialog,
+{
-this, QOverload<const QString&>::of (&main_window::process_settings_dialog_request));
+// Set initial prompt.
-connect (editor, &file_editor::request_dbcont_signal,
+emit interpreter_event
-this, &main_window::debug_continue);
+([] (interpreter& interp)
+{
-connect (this, &main_window::update_gui_lexer_signal,
+// INTERPRETER_THREAD
-editor, &file_editor::update_gui_lexer_signal);
+event_manager& evmgr = interp.get_event_manager ();
-connect (editor, &file_editor::execute_command_in_terminal_signal,
+input_system& input_sys = interp.get_input_system ();
-this, &main_window::execute_command_in_terminal);
+input_sys.PS1 (">> ");
-connect (editor, &file_editor::focus_console_after_command_signal,
+std::string prompt = input_sys.PS1 ();
-this, &main_window::focus_console_after_command);
+evmgr.update_prompt (command_editor::decode_prompt_string (prompt));
-connect (editor, &file_editor::run_file_signal,
+});
-this, &main_window::run_file_in_terminal);
+}
-connect (editor, &file_editor::edit_mfile_request,
+m_command_window->init_command_prompt ();
-this, &main_window::handle_edit_mfile_request);
+focus_command_window ();  // make sure that the command window has focus
+}
-connect (editor, &file_editor::debug_quit_signal,
-this, &main_window::debug_quit);
+void main_window::handle_set_path_dialog_request (void)
+{
-connect (this, &main_window::editor_focus_changed,
+if (m_set_path_dlg)  // m_set_path_dlg is a guarded pointer!
-editor, &file_editor::enable_menu_shortcuts);
+return;
-connect (this, &main_window::step_into_file_signal,
+m_set_path_dlg = new set_path_dialog (this, m_octave_qobj);
-editor, &file_editor::request_step_into_file);
+m_set_path_dlg->setModal (false);
-connect (editor, &file_editor::editor_tabs_changed_signal,
+m_set_path_dlg->setAttribute (Qt::WA_DeleteOnClose);
-this, &main_window::editor_tabs_changed);
+m_set_path_dlg->show ();
-connect (editor, &file_editor::request_open_file_external,
+// Any interpreter_event signal from a set_path_dialog object is
-m_external_editor, &external_editor_interface::call_custom_editor);
+// handled the same as for the main_window object.
-connect (m_external_editor, &external_editor_interface::request_settings_dialog,
+connect (m_set_path_dlg, QOverload<const fcn_callback&>::of (&set_path_dialog::interpreter_event),
-this, &main_window::process_settings_dialog_request);
+this, QOverload<const fcn_callback&>::of (&main_window::interpreter_event));
-connect (this, &main_window::insert_debugger_pointer_signal,
+connect (m_set_path_dlg, QOverload<const meth_callback&>::of (&set_path_dialog::interpreter_event),
-editor, &file_editor::handle_insert_debugger_pointer_request);
+this, QOverload<const meth_callback&>::of (&main_window::interpreter_event));
-connect (this, &main_window::delete_debugger_pointer_signal,
+connect (m_set_path_dlg, &set_path_dialog::modify_path_signal,
-editor, &file_editor::handle_delete_debugger_pointer_request);
+this, &main_window::modify_path);
-connect (this, &main_window::update_breakpoint_marker_signal,
+interpreter_qobject *interp_qobj = m_octave_qobj.interpreter_qobj ();
-editor, &file_editor::handle_update_breakpoint_marker_request);
+qt_interpreter_events *qt_link = interp_qobj->qt_link ();
-// Signals for removing/renaming files/dirs in the file browser
-connect (m_file_browser_window, &files_dock_widget::file_remove_signal,
+connect (qt_link, &qt_interpreter_events::update_path_dialog_signal,
-editor, &file_editor::handle_file_remove);
+m_set_path_dlg, &set_path_dialog::update_model);
-connect (m_file_browser_window, &files_dock_widget::file_renamed_signal,
+// Now that all the signal connections are in place for the dialog
-editor, &file_editor::handle_file_renamed);
+// we can set the initial value of the path in the model.
-// Signals for removing/renaming files/dirs in the terminal window
+m_set_path_dlg->update_model ();
-connect (qt_link, &qt_interpreter_events::file_renamed_signal,
+}
-editor, &file_editor::handle_file_renamed);
+void main_window::find_files (const QString& start_dir)
-// Signals for entering/exiting debug mode
+{
-connect (qt_link, &qt_interpreter_events::enter_debugger_signal,
-editor, &file_editor::handle_enter_debug_mode);
+if (! m_find_files_dlg)
+{
-connect (qt_link, &qt_interpreter_events::exit_debugger_signal,
+m_find_files_dlg = new find_files_dialog (this, m_octave_qobj);
-editor, &file_editor::handle_exit_debug_mode);
+connect (m_find_files_dlg, &find_files_dialog::finished,
-connect (qt_link, &qt_interpreter_events::directory_changed_signal,
+this, &main_window::find_files_finished);
-editor, &file_editor::update_octave_directory);
+connect (m_find_files_dlg, &find_files_dialog::dir_selected,
-m_editor_window = editor;
+m_file_browser_window, &files_dock_widget::set_current_directory);
-m_editor_menubar = m_editor_window->menubar ();
+connect (m_find_files_dlg, &find_files_dialog::file_selected,
+this, QOverload<const QString&>::of (&main_window::open_file_signal));
-m_active_editor = m_editor_window;
+m_find_files_dlg->setWindowModality (Qt::NonModal);
-m_editor_window->enable_menu_shortcuts (false);
+}
+if (! m_find_files_dlg->isVisible ())
+{
+m_find_files_dlg->show ();
+}
+m_find_files_dlg->set_search_dir (start_dir);
+m_find_files_dlg->activateWindow ();
+}
+void main_window::set_screen_size (int ht, int wd)
+{
+emit interpreter_event
+([=] (void)
+{
+// INTERPRETER THREAD
+command_editor::set_screen_size (ht, wd);
+});
+}
+void main_window::clipboard_has_changed (void)
+{
+if (m_clipboard->text ().isEmpty ())
+{
+m_paste_action->setEnabled (false);
+m_clear_clipboard_action->setEnabled (false);
+}
+else
+{
+m_paste_action->setEnabled (true);
+m_clear_clipboard_action->setEnabled (true);
+}
+}
+void main_window::clear_clipboard (void)
+{
+m_clipboard->clear (QClipboard::Clipboard);
+}
+void main_window::disable_menu_shortcuts (bool disable)
+{
+QHash<QMenu *, QStringList>::const_iterator i = m_hash_menu_text.constBegin ();
+while (i != m_hash_menu_text.constEnd ())
+{
+i.key ()->setTitle (i.value ().at (disable));
+++i;
+}
+}
+void main_window::restore_create_file_setting (void)
+{
+// restore the new files creation setting
+resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
+gui_settings *settings = rmgr.get_settings ();
+settings->setValue (ed_create_new_file.key, false);
+disconnect (m_editor_window, SIGNAL (file_loaded_signal (void)),
+this, SLOT (restore_create_file_setting (void)));
+}
+void main_window::set_file_encoding (const QString& new_encoding)
+{
+m_file_encoding = new_encoding;
+}
+// The following slot is called after files have been selected in the
+// open file dialog, possibly with a new selected encoding stored in
+// m_file_encoding
+void main_window::request_open_files (const QStringList& open_file_names)
+{
+for (int i = 0; i < open_file_names.count (); i++)
+emit open_file_signal (open_file_names.at (i), m_file_encoding, -1);
+}
+void main_window::profiler_session (void)
+{
+emit interpreter_event
+([=] (interpreter& interp)
+{
+// INTERPRETER THREAD
+Ffeval (interp, ovl ("profile","on"));
+});
+}
+void main_window::profiler_session_resume (void)
+{
+emit interpreter_event
+([=] (interpreter& interp)
+{
+// INTERPRETER THREAD
+Ffeval (interp, ovl ("profile","resume"));
+});
+}
+void main_window::profiler_stop (void)
+{
+emit interpreter_event
+([=] (interpreter& interp)
+{
+// INTERPRETER THREAD
+Ffeval (interp, ovl ("profile","off"));
+});
+}
+void main_window::handle_profiler_status_update (bool active)
+{
+m_profiler_start->setEnabled (! active);
+m_profiler_resume->setEnabled (! active);
+m_profiler_stop->setEnabled (active);
+led_indicator::led_state state = led_indicator::LED_STATE_INACTIVE;
+if (active)
+state = led_indicator::LED_STATE_ACTIVE;
+m_profiler_status_indicator->set_state (state);
+}
+void main_window::profiler_show (void)
+{
+// Do not use a separate interpreter event as in the other
+// profiler slots since the output of the command "profshow"
+// would obscure the prompt and we do not need to emimt a signal
+// for action that is required in the gui after rhe command
+execute_command_in_terminal ("profshow");
+}
+void main_window::closeEvent (QCloseEvent *e)
+{
+write_settings ();
+if (confirm_shutdown ())
+{
+// FIXME: Instead of ignoring the event and posting an
+// interpreter event, should we just accept the event and
+// shutdown and clean up the interpreter as part of closing the
+// GUI?  Going that route might make it easier to close the GUI
+// without having to stop the interpreter, for example, if the
+// GUI is started from the interpreter command line.
+e->ignore ();
+if (m_octave_qobj.experimental_terminal_widget ()
+&& ! m_octave_qobj.is_gui_app ())
+emit close_gui_signal ();
+else
+{
+emit interpreter_event
+([] (interpreter& interp)
+{
+// INTERPRETER THREAD
+interp.quit (0, false, false);
+});
+}
+}
+else
+e->ignore ();
+}
+void main_window::construct_central_widget (void)
+{
+// Create and set the central widget.  QMainWindow takes ownership of
+// the widget (pointer) so there is no need to delete the object upon
+// destroying this main_window.
+QWidget *dummyWidget = new QWidget ();
+dummyWidget->setObjectName ("CentralDummyWidget");
+dummyWidget->resize (10, 10);
+dummyWidget->setSizePolicy (QSizePolicy::Fixed, QSizePolicy::Fixed);
+dummyWidget->hide ();
+setCentralWidget (dummyWidget);
+}
+// Main subroutine of the constructor
+void main_window::construct (void)
+{
+setWindowIcon (QIcon (dw_icon_set_names["NONE"]));
+interpreter_qobject *interp_qobj = m_octave_qobj.interpreter_qobj ();
+qt_interpreter_events *qt_link = interp_qobj->qt_link ();
+construct_menu_bar ();
+construct_tool_bar ();
+// FIXME: Is this action intended to be about quitting application
+// or closing the main window?
+connect (qApp, &QApplication::aboutToQuit,
+this, &main_window::prepare_to_exit);
+connect (qApp, &QApplication::focusChanged,
+this, &main_window::focus_changed);
+connect (this, &main_window::settings_changed,
+this, [=] (const gui_settings *settings) { notice_settings (settings); });
+// Connections for signals from the interpreter thread where the slot
+// should be executed by the gui thread
+connect (this, &main_window::warning_function_not_found_signal,
+this, &main_window::warning_function_not_found);
+setWindowTitle ("Octave");
+setStatusBar (m_status_bar);
+// Signals for removing/renaming files/dirs in the temrinal window
+connect (qt_link, &qt_interpreter_events::file_remove_signal,
+this, &main_window::file_remove_proxy);
+connect (this, QOverload<const fcn_callback&>::of (&main_window::interpreter_event),
+&m_octave_qobj, QOverload<const fcn_callback&>::of (&base_qobject::interpreter_event));
+connect (this, QOverload<const meth_callback&>::of (&main_window::interpreter_event),
+&m_octave_qobj, QOverload<const meth_callback&>::of (&base_qobject::interpreter_event));
+configure_shortcuts ();
+}
+void main_window::construct_octave_qt_link (void)
+{
+interpreter_qobject *interp_qobj = m_octave_qobj.interpreter_qobj ();
+qt_interpreter_events *qt_link = interp_qobj->qt_link ();
+connect (qt_link, &qt_interpreter_events::settings_changed,
+this, &main_window::notice_settings);
+connect (qt_link, &qt_interpreter_events::apply_new_settings,
+this, &main_window::request_reload_settings);
+connect (qt_link, &qt_interpreter_events::directory_changed_signal,
+this, &main_window::update_octave_directory);
+connect (qt_link, &qt_interpreter_events::execute_command_in_terminal_signal,
+this, &main_window::execute_command_in_terminal);
+connect (qt_link, &qt_interpreter_events::enter_debugger_signal,
+this, &main_window::handle_enter_debugger);
+connect (qt_link, &qt_interpreter_events::exit_debugger_signal,
+this, &main_window::handle_exit_debugger);
+connect (qt_link, &qt_interpreter_events::show_preferences_signal,
+this, [=] () { process_settings_dialog_request (); });
+connect (qt_link, &qt_interpreter_events::insert_debugger_pointer_signal,
+this, &main_window::handle_insert_debugger_pointer_request);
+connect (qt_link, &qt_interpreter_events::delete_debugger_pointer_signal,
+this, &main_window::handle_delete_debugger_pointer_request);
+connect (qt_link, &qt_interpreter_events::update_breakpoint_marker_signal,
+this, &main_window::handle_update_breakpoint_marker_request);
+connect (qt_link, &qt_interpreter_events::gui_status_update_signal,
+this, &main_window::handle_gui_status_update);
+connect (qt_link, &qt_interpreter_events::update_gui_lexer_signal,
+this, &main_window::update_gui_lexer_signal);
+}
+QAction* main_window::add_action (QMenu *menu, const QIcon& icon,
+const QString& text, const char *member,
+const QWidget *receiver)
+{
+QAction *a;
+if (receiver)
+a = menu->addAction (icon, text, receiver, member);
+else
+a = menu->addAction (icon, text, this, member);
+addAction (a);  // important for shortcut context
+a->setShortcutContext (Qt::ApplicationShortcut);
+return a;
+}
+QMenu* main_window::m_add_menu (QMenuBar *p, QString name)
+{
+QMenu *menu = p->addMenu (name);
+QString base_name = name;  // get a copy
+// replace intended '&' ("&&") by a temp. string
+base_name.replace ("&&", "___octave_amp_replacement___");
+// remove single '&' (shortcut)
+base_name.remove ("&");
+// restore intended '&'
+base_name.replace ("___octave_amp_replacement___", "&&");
+// remember names with and without shortcut
+m_hash_menu_text[menu] = QStringList ({ name, base_name });
+return menu;
+}
+void main_window::construct_menu_bar (void)
+{
+QMenuBar *menu_bar = menuBar ();
+construct_file_menu (menu_bar);
+construct_edit_menu (menu_bar);
+construct_debug_menu (menu_bar);
+construct_tools_menu (menu_bar);
+construct_window_menu (menu_bar);
+construct_help_menu (menu_bar);
+construct_news_menu (menu_bar);
+#if defined (HAVE_QSCINTILLA)
+// call the editor to add actions which should also be available in the
+// editor's menu and tool bar
+QList<QAction *> shared_actions = {
+m_new_script_action,
+m_new_function_action,
+m_open_action,
+m_find_files_action,
+m_undo_action,
+m_copy_action,
+m_paste_action,
+m_select_all_action
+};
+m_editor_window->insert_global_actions (shared_actions);
+#endif
+}
+void main_window::construct_file_menu (QMenuBar *p)
+{
+QMenu *file_menu = m_add_menu (p, tr ("&File"));
+construct_new_menu (file_menu);
+resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
+m_open_action = add_action (
+file_menu, rmgr.icon ("document-open"), tr ("Open..."),
+SLOT (request_open_file (void)), this);
+m_open_action->setToolTip (tr ("Open an existing file in editor"));
+#if defined (HAVE_QSCINTILLA)
+file_menu->addMenu (m_editor_window->get_mru_menu ());
+#endif
+file_menu->addSeparator ();
+m_load_workspace_action = add_action (
+file_menu, QIcon (), tr ("Load Workspace..."),
+SLOT (handle_load_workspace_request (void)), this);
+m_save_workspace_action = add_action (
+file_menu, QIcon (), tr ("Save Workspace As..."),
+SLOT (handle_save_workspace_request (void)), this);
+file_menu->addSeparator ();
+m_exit_action = add_action (
+file_menu, QIcon (), tr ("Exit"),
+SLOT (close (void)), this);
+m_exit_action->setMenuRole (QAction::QuitRole);
+// Connect signal related to opening or creating editor files
+connect (this, SIGNAL (new_file_signal (const QString&)),
+m_active_editor, SLOT (request_new_file (const QString&)));
+connect (this, SIGNAL (open_file_signal (const QString&)),
+m_active_editor, SLOT (request_open_file (const QString&)));
+connect (this,
+SIGNAL (open_file_signal (const QString&, const QString&, int)),
+m_active_editor,
+SLOT (request_open_file (const QString&, const QString&, int)));
+}
+void main_window::construct_new_menu (QMenu *p)
+{
+QMenu *new_menu = p->addMenu (tr ("New"));
+resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
+m_new_script_action = add_action (
+new_menu, rmgr.icon ("document-new"), tr ("New Script"),
+SLOT (request_new_script (void)), this);
+m_new_function_action = add_action (
+new_menu, QIcon (), tr ("New Function..."),
+SLOT (request_new_function (void)), this);
+m_new_figure_action = add_action (
+new_menu, QIcon (), tr ("New Figure"),
+SLOT (handle_new_figure_request (void)), this);
+}
+void main_window::construct_edit_menu (QMenuBar *p)
+{
+QMenu *edit_menu = m_add_menu (p, tr ("&Edit"));
+QKeySequence ctrl_shift = Qt::ControlModifier + Qt::ShiftModifier;
+resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
+m_undo_action
+= edit_menu->addAction (rmgr.icon ("edit-undo"), tr ("Undo"));
+m_undo_action->setShortcutContext (Qt::ApplicationShortcut);
+edit_menu->addSeparator ();
+m_copy_action
+= edit_menu->addAction (rmgr.icon ("edit-copy"), tr ("Copy"), this,
+&main_window::copyClipboard);
+m_copy_action->setShortcutContext (Qt::ApplicationShortcut);
+m_paste_action
+= edit_menu->addAction (rmgr.icon ("edit-paste"), tr ("Paste"), this,
+&main_window::pasteClipboard);
+m_paste_action->setShortcutContext (Qt::ApplicationShortcut);
+m_select_all_action
+= edit_menu->addAction (tr ("Select All"), this,
+&main_window::selectAll);
+m_select_all_action->setShortcutContext (Qt::ApplicationShortcut);
+m_clear_clipboard_action
+= edit_menu->addAction (tr ("Clear Clipboard"), this,
+&main_window::clear_clipboard);
+edit_menu->addSeparator ();
+m_find_files_action
+= edit_menu->addAction (rmgr.icon ("edit-find"), tr ("Find Files..."));
+edit_menu->addSeparator ();
+m_clear_command_window_action
+= edit_menu->addAction (tr ("Clear Command Window"));
+m_clear_command_history_action
+= edit_menu->addAction (tr ("Clear Command History"));
+m_clear_workspace_action
+= edit_menu->addAction (tr ("Clear Workspace"));
+edit_menu->addSeparator ();
+m_set_path_action
+= edit_menu->addAction (tr ("Set Path"));
+m_preferences_action
+= edit_menu->addAction (rmgr.icon ("preferences-system"),
+tr ("Preferences..."));
+connect (m_find_files_action, &QAction::triggered,
+this, [=] () { find_files (); });
+connect (m_clear_command_window_action, &QAction::triggered,
+this, &main_window::handle_clear_command_window_request);
+connect (m_clear_command_history_action, &QAction::triggered,
+this, &main_window::handle_clear_history_request);
+connect (m_clear_workspace_action, &QAction::triggered,
+this, &main_window::handle_clear_workspace_request);
+connect (m_clipboard, &QClipboard::dataChanged,
+this, &main_window::clipboard_has_changed);
+clipboard_has_changed ();
+#if defined (Q_OS_WIN32)
+// Always enable paste action (unreliable clipboard signals in windows)
+// FIXME: This has to be removed, when the clipboard signals in windows
+//        are working again
+m_paste_action->setEnabled (true);
+m_clear_clipboard_action->setEnabled (true);
+#endif
+connect (m_preferences_action, &QAction::triggered,
+this, [=] () { process_settings_dialog_request (); });
+connect (m_set_path_action, &QAction::triggered,
+this, &main_window::handle_set_path_dialog_request);
+}
+QAction * main_window::construct_debug_menu_item (const char *icon,
+const QString& item,
+const char *member)
+{
+resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
+QAction *action = add_action (m_debug_menu, rmgr.icon (QString (icon)),
+item, member);
+action->setEnabled (false);
+#if defined (HAVE_QSCINTILLA)
+m_editor_window->debug_menu ()->addAction (action);
+m_editor_window->toolbar ()->addAction (action);
+#endif
+return action;
+}
+void main_window::construct_debug_menu (QMenuBar *p)
+{
+m_debug_menu = m_add_menu (p, tr ("De&bug"));
+m_debug_step_over
+= construct_debug_menu_item ("db-step", tr ("Step"),
+SLOT (debug_step_over (void)));
+m_debug_step_into
+= construct_debug_menu_item ("db-step-in", tr ("Step In"),
+SLOT (debug_step_into (void)));
+m_debug_step_out
+= construct_debug_menu_item ("db-step-out", tr ("Step Out"),
+SLOT (debug_step_out (void)));
+m_debug_continue
+= construct_debug_menu_item ("db-cont", tr ("Continue"),
+SLOT (debug_continue (void)));
+m_debug_menu->addSeparator ();
+#if defined (HAVE_QSCINTILLA)
+m_editor_window->debug_menu ()->addSeparator ();
+#endif
+m_debug_quit
+= construct_debug_menu_item ("db-stop", tr ("Quit Debug Mode"),
+SLOT (debug_quit (void)));
+}
+void main_window::construct_tools_menu (QMenuBar *p)
+{
+QMenu *tools_menu = m_add_menu (p, tr ("&Tools"));
+m_profiler_start = add_action (tools_menu, QIcon (),
+tr ("Start &Profiler Session"), SLOT (profiler_session ()));
+m_profiler_resume = add_action (tools_menu, QIcon (),
+tr ("&Resume Profiler Session"), SLOT (profiler_session_resume ()));
+m_profiler_stop = add_action (tools_menu, QIcon (),
+tr ("&Stop Profiler"), SLOT (profiler_stop ()));
+m_profiler_stop->setEnabled (false);
+m_profiler_show = add_action (tools_menu, QIcon (),
+tr ("&Show Profile Data"), SLOT (profiler_show ()));
+}
+void main_window::editor_tabs_changed (bool have_tabs, bool is_octave)
+{
+// Set state of actions which depend on the existence of editor tabs
+m_editor_has_tabs = have_tabs;
+m_editor_is_octave_file = is_octave;
+m_debug_step_over->setEnabled (have_tabs && is_octave);
+}
+QAction * main_window::construct_window_menu_item (QMenu *p,
+const QString& item,
+bool checkable,
+QWidget *widget)
+{
+QAction *action = p->addAction (QIcon (), item);
+addAction (action);  // important for shortcut context
+action->setCheckable (checkable);
+action->setShortcutContext (Qt::ApplicationShortcut);
+if (widget)  // might be zero for m_editor_window
+{
+if (checkable)
+{
+// action for visibility of dock widget
+connect (action, SIGNAL (toggled (bool)),
+widget, SLOT (setVisible (bool)));
+connect (widget, SIGNAL (active_changed (bool)),
+action, SLOT (setChecked (bool)));
+}
+else
+{
+// action for focus of dock widget
+connect (action, SIGNAL (triggered (void)),
+widget, SLOT (activate (void)));
+}
+}
+else
+{
+action->setEnabled (false);
+}
+return action;
+}
+void main_window::construct_window_menu (QMenuBar *p)
+{
+QMenu *window_menu = m_add_menu (p, tr ("&Window"));
+m_show_command_window_action = construct_window_menu_item
+(window_menu, tr ("Show Command Window"), true, m_command_window);
+m_show_history_action = construct_window_menu_item
+(window_menu, tr ("Show Command History"), true, m_history_window);
+m_show_file_browser_action = construct_window_menu_item
+(window_menu, tr ("Show File Browser"), true, m_file_browser_window);
+m_show_workspace_action = construct_window_menu_item
+(window_menu, tr ("Show Workspace"), true, m_workspace_window);
+m_show_editor_action = construct_window_menu_item
+(window_menu, tr ("Show Editor"), true, m_editor_window);
+m_show_documentation_action = construct_window_menu_item
+(window_menu, tr ("Show Documentation"), true, m_doc_browser_window);
+m_show_variable_editor_action = construct_window_menu_item
+(window_menu, tr ("Show Variable Editor"), true, m_variable_editor_window);
+window_menu->addSeparator ();
+m_command_window_action = construct_window_menu_item
+(window_menu, tr ("Command Window"), false, m_command_window);
+m_history_action = construct_window_menu_item
+(window_menu, tr ("Command History"), false, m_history_window);
+m_file_browser_action = construct_window_menu_item
+(window_menu, tr ("File Browser"), false, m_file_browser_window);
+m_workspace_action = construct_window_menu_item
+(window_menu, tr ("Workspace"), false, m_workspace_window);
+m_editor_action = construct_window_menu_item
+(window_menu, tr ("Editor"), false, m_editor_window);
+m_documentation_action = construct_window_menu_item
+(window_menu, tr ("Documentation"), false, m_doc_browser_window);
+m_variable_editor_action = construct_window_menu_item
+(window_menu, tr ("Variable Editor"), false, m_variable_editor_window);
+window_menu->addSeparator ();
+m_previous_dock_action = add_action (window_menu, QIcon (),
+tr ("Previous Widget"), SLOT (go_to_previous_widget (void)));
+window_menu->addSeparator ();
+m_reset_windows_action = add_action (window_menu, QIcon (),
+tr ("Reset Default Window Layout"), SLOT (reset_windows (void)));
+}
+void main_window::construct_help_menu (QMenuBar *p)
+{
+QMenu *help_menu = m_add_menu (p, tr ("&Help"));
+construct_documentation_menu (help_menu);
+help_menu->addSeparator ();
+m_report_bug_action = add_action (help_menu, QIcon (),
+tr ("Report Bug"), SLOT (open_bug_tracker_page ()));
+m_octave_packages_action = add_action (help_menu, QIcon (),
+tr ("Octave Packages"), SLOT (open_octave_packages_page ()));
+m_contribute_action = add_action (help_menu, QIcon (),
+tr ("Contribute"), SLOT (open_contribute_page ()));
+m_developer_action = add_action (help_menu, QIcon (),
+tr ("Donate to Octave"), SLOT (open_donate_page ()));
+help_menu->addSeparator ();
+m_about_octave_action = add_action (help_menu, QIcon (),
+tr ("About Octave"), SLOT (show_about_octave ()));
+}
+void main_window::construct_documentation_menu (QMenu *p)
+{
+QMenu *doc_menu = p->addMenu (tr ("Documentation"));
+m_ondisk_doc_action = add_action (doc_menu, QIcon (),
+tr ("On Disk"), SLOT (activate ()), m_doc_browser_window);
+m_online_doc_action = add_action (doc_menu, QIcon (),
+tr ("Online"), SLOT (open_online_documentation_page ()));
+}
+void main_window::construct_news_menu (QMenuBar *p)
+{
+QMenu *news_menu = m_add_menu (p, tr ("&News"));
+m_release_notes_action
+= news_menu->addAction (QIcon (), tr ("Release Notes"),
+[=] () {
+emit show_release_notes_signal ();
+});
+addAction (m_release_notes_action);
+m_release_notes_action->setShortcutContext (Qt::ApplicationShortcut);
+m_current_news_action
+= news_menu->addAction (QIcon (), tr ("Community News"),
+[=] () {
+emit show_community_news_signal (-1);
+});
+addAction (m_current_news_action);
+m_current_news_action->setShortcutContext (Qt::ApplicationShortcut);
+}
+void main_window::construct_tool_bar (void)
+{
+m_main_tool_bar = addToolBar (tr ("Toolbar"));
+m_main_tool_bar->setStyleSheet (m_main_tool_bar->styleSheet ()
++ global_toolbar_style);
+m_main_tool_bar->setObjectName ("MainToolBar");
+m_main_tool_bar->addAction (m_new_script_action);
+m_main_tool_bar->addAction (m_open_action);
+m_main_tool_bar->addSeparator ();
+m_main_tool_bar->addAction (m_copy_action);
+m_main_tool_bar->addAction (m_paste_action);
+m_main_tool_bar->addAction (m_undo_action);
+m_main_tool_bar->addSeparator ();
+m_current_directory_combo_box = new QComboBox (this);
+QFontMetrics fm = m_current_directory_combo_box->fontMetrics ();
+m_current_directory_combo_box->setFixedWidth (48*fm.averageCharWidth ());
+m_current_directory_combo_box->setEditable (true);
+m_current_directory_combo_box->setInsertPolicy (QComboBox::NoInsert);
+m_current_directory_combo_box->setToolTip (tr ("Enter directory name"));
+m_current_directory_combo_box->setMaxVisibleItems (current_directory_max_visible);
+m_current_directory_combo_box->setMaxCount (current_directory_max_count);
+QSizePolicy sizePol (QSizePolicy::Preferred, QSizePolicy::Preferred);
+m_current_directory_combo_box->setSizePolicy (sizePol);
+// addWidget takes ownership of the objects so there is no
+// need to delete these upon destroying this main_window.
+m_main_tool_bar->addWidget (new QLabel (tr ("Current Directory: ")));
+m_main_tool_bar->addWidget (m_current_directory_combo_box);
+resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
+QAction *current_dir_up
+= m_main_tool_bar->addAction (rmgr.icon ("folder-up", false, "go-up"),
+tr ("One directory up"));
+QAction *current_dir_search
+= m_main_tool_bar->addAction (rmgr.icon ("folder"),
+tr ("Browse directories"));
+connect (m_current_directory_combo_box, SIGNAL (activated (const QString&)),
+this, SLOT (set_current_working_directory (const QString&)));
+connect (m_current_directory_combo_box->lineEdit (),
+&QLineEdit::returnPressed,
+this, &main_window::accept_directory_line_edit);
+connect (current_dir_search, &QAction::triggered,
+this, &main_window::browse_for_directory);
+connect (current_dir_up, &QAction::triggered,
+this, &main_window::change_directory_up);
+connect (m_undo_action, &QAction::triggered,
+this, &main_window::handle_undo_request);
+}
+void main_window::focus_console_after_command (void)
+{
+resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
+gui_settings *settings = rmgr.get_settings ();
+if (settings->value (cs_focus_cmd).toBool ())
+focus_command_window ();
+}
+void main_window::configure_shortcuts (void)
+{
+bool enable
+= ! ((m_active_dock == m_command_window) && m_prevent_readline_conflicts);
+shortcut_manager& scmgr = m_octave_qobj.get_shortcut_manager ();
+// file menu
+scmgr.set_shortcut (m_open_action, sc_main_file_open_file, enable);
+scmgr.set_shortcut (m_new_script_action, sc_main_file_new_file, enable);
+scmgr.set_shortcut (m_new_function_action, sc_main_file_new_function, enable);
+scmgr.set_shortcut (m_new_figure_action, sc_main_file_new_figure, enable);
+scmgr.set_shortcut (m_load_workspace_action, sc_main_file_load_workspace, enable);
+scmgr.set_shortcut (m_save_workspace_action, sc_main_file_save_workspace, enable);
+scmgr.set_shortcut (m_exit_action, sc_main_file_exit, enable);
+// edit menu
+scmgr.set_shortcut (m_copy_action, sc_main_edit_copy, enable);
+scmgr.set_shortcut (m_paste_action, sc_main_edit_paste, enable);
+scmgr.set_shortcut (m_undo_action, sc_main_edit_undo, enable);
+scmgr.set_shortcut (m_select_all_action, sc_main_edit_select_all, enable);
+scmgr.set_shortcut (m_clear_clipboard_action, sc_main_edit_clear_clipboard, enable);
+scmgr.set_shortcut (m_find_files_action, sc_main_edit_find_in_files, enable);
+scmgr.set_shortcut (m_clear_command_history_action, sc_main_edit_clear_history, enable);
+scmgr.set_shortcut (m_clear_command_window_action, sc_main_edit_clear_command_window, enable);
+scmgr.set_shortcut (m_clear_workspace_action, sc_main_edit_clear_workspace, enable);
+scmgr.set_shortcut (m_set_path_action, sc_main_edit_set_path, enable);
+scmgr.set_shortcut (m_preferences_action, sc_main_edit_preferences, enable);
+// debug menu
+scmgr.set_shortcut (m_debug_step_over, sc_main_debug_step_over, enable);
+scmgr.set_shortcut (m_debug_step_into, sc_main_debug_step_into, enable);
+scmgr.set_shortcut (m_debug_step_out, sc_main_debug_step_out, enable);
+scmgr.set_shortcut (m_debug_continue, sc_main_debug_continue, enable);
+scmgr.set_shortcut (m_debug_quit, sc_main_debug_quit, enable);
+// tools menu
+scmgr.set_shortcut (m_profiler_start, sc_main_tools_start_profiler, enable);
+scmgr.set_shortcut (m_profiler_resume, sc_main_tools_resume_profiler, enable);
+scmgr.set_shortcut (m_profiler_stop, sc_main_tools_start_profiler, enable); // same, toggling
+scmgr.set_shortcut (m_profiler_show, sc_main_tools_show_profiler, enable);
+// window menu
+scmgr.set_shortcut (m_show_command_window_action, sc_main_window_show_command, enable);
+scmgr.set_shortcut (m_show_history_action, sc_main_window_show_history, enable);
+scmgr.set_shortcut (m_show_workspace_action, sc_main_window_show_workspace, enable);
+scmgr.set_shortcut (m_show_file_browser_action, sc_main_window_show_file_browser, enable);
+scmgr.set_shortcut (m_show_editor_action, sc_main_window_show_editor, enable);
+scmgr.set_shortcut (m_show_documentation_action, sc_main_window_show_doc, enable);
+scmgr.set_shortcut (m_show_variable_editor_action, sc_main_window_show_variable_editor, enable);
+scmgr.set_shortcut (m_reset_windows_action, sc_main_window_reset, enable);
+scmgr.set_shortcut (m_command_window_action, sc_main_window_command, enable);
+// Switching to the other widgets (including the previous one) is always enabled
+scmgr.set_shortcut (m_history_action, sc_main_window_history, true);
+scmgr.set_shortcut (m_workspace_action, sc_main_window_workspace, true);
+scmgr.set_shortcut (m_file_browser_action, sc_main_window_file_browser, true);
+scmgr.set_shortcut (m_editor_action, sc_main_window_editor, true);
+scmgr.set_shortcut (m_documentation_action, sc_main_window_doc, true);
+scmgr.set_shortcut (m_variable_editor_action, sc_main_window_variable_editor, true);
+scmgr.set_shortcut (m_previous_dock_action, sc_main_window_previous_dock, true);
+// help menu
+scmgr.set_shortcut (m_ondisk_doc_action, sc_main_help_ondisk_doc, enable);
+scmgr.set_shortcut (m_online_doc_action, sc_main_help_online_doc, enable);
+scmgr.set_shortcut (m_report_bug_action, sc_main_help_report_bug, enable);
+scmgr.set_shortcut (m_octave_packages_action, sc_main_help_packages, enable);
+scmgr.set_shortcut (m_contribute_action, sc_main_help_contribute, enable);
+scmgr.set_shortcut (m_developer_action, sc_main_help_developer, enable);
+scmgr.set_shortcut (m_about_octave_action, sc_main_help_about, enable);
+// news menu
+scmgr.set_shortcut (m_release_notes_action, sc_main_news_release_notes, enable);
+scmgr.set_shortcut (m_current_news_action, sc_main_news_community_news, enable);
+}
+QList<octave_dock_widget *> main_window::dock_widget_list (void)
+{
+QList<octave_dock_widget *> list = QList<octave_dock_widget *> ();
+list.append (static_cast<octave_dock_widget *> (m_command_window));
+list.append (static_cast<octave_dock_widget *> (m_history_window));
+list.append (static_cast<octave_dock_widget *> (m_file_browser_window));
+list.append (static_cast<octave_dock_widget *> (m_doc_browser_window));
+#if defined (HAVE_QSCINTILLA)
+list.append (static_cast<octave_dock_widget *> (m_editor_window));
+#endif
+list.append (static_cast<octave_dock_widget *> (m_workspace_window));
+list.append (static_cast<octave_dock_widget *> (m_variable_editor_window));
+return list;
+}
+void main_window::update_default_encoding (const QString& default_encoding)
+{
+m_default_encoding = default_encoding;
+std::string mfile_encoding = m_default_encoding.toStdString ();
+if (m_default_encoding.startsWith ("SYSTEM", Qt::CaseInsensitive))
+mfile_encoding = "SYSTEM";
+emit interpreter_event
+([=] (interpreter& interp)
+{
+// INTERPRETER THREAD
+F__mfile_encoding__ (interp, ovl (mfile_encoding));
+});
+}
+void main_window::resize_dock (QDockWidget *dw, int width, int height)
+{
+#if defined (HAVE_QMAINWINDOW_RESIZEDOCKS)
+// resizeDockWidget was added to Qt in Qt 5.6
+if (width >= 0)
+resizeDocks ({dw}, {width}, Qt::Horizontal);
+if (height >= 0)
+resizeDocks ({dw}, {height}, Qt::Vertical);
 #else
-m_editor_window = nullptr;
+// This replacement of resizeDockWidget is not very reliable.
+// But even if Qt4 is not yet
-m_editor_menubar = nullptr;
+QSize s = dw->widget ()->size ();
+if (width >= 0)
-m_active_editor = m_external_editor;
+s.setWidth (width);
+if (height >= 0)
+s.setHeight (height);
+dw->widget ()->resize (s);
+dw->adjustSize ();
 #endif
+}
-connect (qt_link, SIGNAL (edit_file_signal (const QString&)),
-m_active_editor, SLOT (handle_edit_file_request (const QString&)));
+// The default main window size relative to the desktop size
-}
+void main_window::set_default_geometry ()
+{
-void main_window::adopt_variable_editor_widget (void)
+int win_x, win_y;
-{
+get_screen_geometry (win_x, win_y);
-m_variable_editor_window = m_octave_qobj.variable_editor_widget (this);
+move (0, 0);
-make_dock_widget_connections (m_variable_editor_window);
+resize (2*win_x/3, 7*win_y/8);
 }
-void main_window::make_dock_widget_connections (octave_dock_widget *dw)
+void main_window::reset_windows (void)
 {
-connect (this, &main_window::init_window_menu,
+// Slot for resetting the window layout to the default one
-dw, &octave_dock_widget::init_window_menu_entry);
+hide ();
+showNormal ();              // Unmaximize
-connect (this, &main_window::settings_changed,
+do_reset_windows (true, true, true);   // Add all widgets
-dw, &octave_dock_widget::handle_settings);
+// Re-add after giving time: This seems to be a reliable way to
-connect (this, &main_window::active_dock_changed,
+// reset the main window's layout
-dw, &octave_dock_widget::handle_active_dock_changed);
+// JWE says: The following also works for me with 0 delay, so I
-// FIXME: shouldn't this action should be associated with closing
+// think the problem might just be that the event loop needs to run
-// the main window, not with exiting the application?  At one time,
+// somewhere in the sequence of resizing and adding widgets.  Maybe
-// those two actions happened together, but now it is possible to
+// some actions in do_reset_windows should be using signal/slot
-// close the main window without exiting the application.
+// connections so that the event loop can do what it needs to do.
-connect (qApp, &QApplication::aboutToQuit,
+// But I haven't been able to find the magic sequence.
-dw, &octave_dock_widget::save_settings);
+QTimer::singleShot (250, this, [=] () { do_reset_windows (true, true, true); });
-// The following is required when the exp. terminal widget is used
+}
-// and the main window is closed (no exit via interpreter)
-connect (this, &main_window::close_gui_signal,
+// Create the default layout of the main window. Do not use
-dw, &octave_dock_widget::save_settings);
+// restoreState () and restoreGeometry () with default values since
-}
+// this might lead to problems when the Qt version changes
+void main_window::do_reset_windows (bool show, bool save, bool force_all)
-bool main_window::command_window_has_focus (void) const
+{
-{
+// Set main window default geometry and store its width for
-return m_command_window->has_focus ();
+// later resizing the command window
-}
+set_default_geometry ();
+int win_x = geometry ().width ();
-void main_window::focus_command_window (void)
-{
+// Resize command window (if docked),
-m_command_window->activate ();
+//the important one in the default layout
-}
+if (dockWidgetArea (m_command_window) != Qt::NoDockWidgetArea)
+resize_dock (m_command_window, 7*win_x/8, -1);
-void main_window::focus_window (const QString& win_name)
-{
+// See Octave bug #53409 and https://bugreports.qt.io/browse/QTBUG-55357
-if (win_name == "command")
+#if (QT_VERSION < 0x050601) || (QT_VERSION >= 0x050701)
-m_command_window->activate ();
+setDockOptions (QMainWindow::AnimatedDocks
-else if (win_name == "history")
+| QMainWindow::AllowNestedDocks
-m_history_window->activate ();
+| QMainWindow::AllowTabbedDocks);
-else if (win_name == "workspace")
+#else
-m_workspace_window->activate ();
+setDockNestingEnabled (true);
-else if (win_name == "filebrowser")
+#endif
-m_file_browser_window->activate ();
-}
+// Add the dock widgets and show them
+if (! m_file_browser_window->adopted () || force_all)
-bool main_window::confirm_shutdown (void)
+{
-{
+// FIXME: Maybe there should be a main_window::add_dock_widget
-bool closenow = true;
+// function that combines both of these actions?
-resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
+addDockWidget (Qt::LeftDockWidgetArea, m_file_browser_window);
-gui_settings *settings = rmgr.get_settings ();
+m_file_browser_window->set_adopted (false);
+}
-if (settings->value (global_prompt_to_exit.key,
-global_prompt_to_exit.def).toBool ())
+if (! m_workspace_window->adopted () || force_all)
 {
-int ans = QMessageBox::question (this, tr ("Octave"),
+addDockWidget (Qt::LeftDockWidgetArea, m_workspace_window);
-tr ("Are you sure you want to exit Octave?"),
+m_workspace_window->set_adopted (false);
-(QMessageBox::Ok
+}
-| QMessageBox::Cancel),
-QMessageBox::Ok);
+if (! m_history_window->adopted () || force_all)
+{
-if (ans != QMessageBox::Ok)
+addDockWidget (Qt::LeftDockWidgetArea, m_history_window);
-closenow = false;
+m_history_window->set_adopted (false);
 }
+if (! m_command_window->adopted () || force_all)
+{
+addDockWidget (Qt::RightDockWidgetArea, m_command_window);
+m_command_window->set_adopted (false);
+}
+if (! m_doc_browser_window->adopted () || force_all)
+{
+addDockWidget (Qt::RightDockWidgetArea, m_doc_browser_window);
+tabifyDockWidget (m_command_window, m_doc_browser_window);
+m_doc_browser_window->set_adopted (false);
+}
+if (! m_variable_editor_window->adopted () || force_all)
+{
+addDockWidget (Qt::RightDockWidgetArea, m_variable_editor_window);
+tabifyDockWidget (m_command_window, m_variable_editor_window);
+m_variable_editor_window->set_adopted (false);
+}
 #if defined (HAVE_QSCINTILLA)
-if (closenow)
+addDockWidget (Qt::RightDockWidgetArea, m_editor_window);
-closenow = m_editor_window->check_closing ();
+tabifyDockWidget (m_command_window, m_editor_window);
 #endif
-return closenow;
+// Resize command window, the important one in the default layout
-}
+resize_dock (m_command_window, 2*win_x/3, -1);
-// catch focus changes and determine the active dock widget
+// Show main wibdow, save state and geometry of main window and
-void main_window::focus_changed (QWidget *, QWidget *new_widget)
+// all dock widgets
-{
+if (show)
-// If there is no new widget or the new widget is a menu bar
+{
-// (when pressing <alt>), we can return immediately and reset the
+// Show all dock widgets
-// focus to the previous widget
+for (auto *widget : dock_widget_list ())
-if (! new_widget
+widget->show ();
-|| (new_widget == menuBar ())
-|| (new_widget == m_editor_menubar))
+// Show main window and store size and state
-{
+showNormal ();
-if (m_active_dock)
-m_active_dock->setFocus ();
+if (save)
+{
-return;
+resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
-}
+gui_settings *settings = rmgr.get_settings ();
-octave_dock_widget *dock = nullptr;
+settings->setValue (mw_geometry.key, saveGeometry ());
-QWidget *w_new = new_widget;  // get a copy of new focus widget
+settings->setValue (mw_state.key, saveState ());
-QWidget *start = w_new;       // Save it as start of our search
+}
-int count = 0;                // fallback to prevent endless loop
-QList<octave_dock_widget *> w_list = dock_widget_list ();
-while (w_new && w_new != m_main_tool_bar && count < 100)
-{
-// Go through all dock widgets and check whether the current widget
-// with focus is a child of one of them.
-for (auto w : w_list)
-{
-if (w->isAncestorOf (w_new))
-dock = w;
-}
-if (dock)
-break;
-// If not yet found (in case w_new is not a child of its dock widget),
-// test next widget in the focus chain
-w_new = qobject_cast<QWidget *> (w_new->previousInFocusChain ());
-// Measures preventing an endless loop
-if (w_new == start)
-break;  // We have arrived where we began ==> exit loop
-count++;  // Limited number of trials
-}
-// editor and terminal needs extra handling
-octave_dock_widget *edit_dock_widget
-= static_cast<octave_dock_widget *> (m_editor_window);
-octave_dock_widget *cmd_dock_widget
-= static_cast<octave_dock_widget *> (m_command_window);
-// if new dock has focus, emit signal and store active focus
-// except editor changes to a dialog (dock=0)
-if ((dock || m_active_dock != edit_dock_widget) && (dock != m_active_dock))
-{
-// signal to all dock widgets for updating the style
-emit active_dock_changed (m_active_dock, dock);
-if (dock)
-{
-QList<QDockWidget *> tabbed = tabifiedDockWidgets (dock);
-if (tabbed.contains (m_active_dock))
-dock->set_predecessor_widget (m_active_dock);
-}
-// Check whether editor loses or gains focus
-int editor = 0;
-if (edit_dock_widget == dock)
-{
-emit editor_focus_changed (true);
-editor = 1;
-}
-else if (edit_dock_widget == m_active_dock)
-{
-emit editor_focus_changed (false);
-editor = -1;
-}
-// Check whether terminal loses or gains focus
-int cmd_involved = 0;
-if (cmd_dock_widget == dock)
-cmd_involved = 1;
-else if (cmd_dock_widget == m_active_dock)
-cmd_involved = -1;
-// If we have to take care of Alt+? accelerators of the main
-// window, take result of test for terminal widget above
-int command = 0;
-if (m_prevent_readline_conflicts_menu)
-command = cmd_involved;
-// If editor or command gets/looses focus, disable/enable
-// main menu accelerators (Alt + ?)
-if (editor || command)
-{
-int sum = editor + command;
-if (sum > 0)
-disable_menu_shortcuts (true);
-else if (sum < 0)
-disable_menu_shortcuts (false);
-}
-if (m_active_dock)
-m_previous_dock = m_active_dock;
-m_active_dock = dock;
-// En-/disable global shortcuts (preventing conflicts with
-// readline. Do it here because it relies on m_active_dock
-if (cmd_involved)
-configure_shortcuts ();
-}
-}
-void main_window::request_reload_settings (void)
-{
-resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
-gui_settings *settings = rmgr.get_settings ();
-if (settings)
-emit settings_changed (settings);
-}
-void main_window::report_status_message (const QString& statusMessage)
-{
-m_status_bar->showMessage (statusMessage, 1000);
-}
-void main_window::handle_save_workspace_request (void)
-{
-// FIXME: Remove, if for all common KDE versions (bug #54607) is resolved.
-int opts = 0;  // No options by default.
-resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
-gui_settings *settings = rmgr.get_settings ();
-if (! settings->value (global_use_native_dialogs).toBool ())
-opts = QFileDialog::DontUseNativeDialog;
-QString file
-= QFileDialog::getSaveFileName (this, tr ("Save Workspace As"), ".",
-nullptr, nullptr, QFileDialog::Option (opts));
-if (! file.isEmpty ())
-{
-emit interpreter_event
-([=] (interpreter& interp)
-{
-// INTERPRETER THREAD
-Fsave (interp, ovl (file.toStdString ()));
-});
-}
-}
-void main_window::handle_load_workspace_request (const QString& file_arg)
-{
-// FIXME: Remove, if for all common KDE versions (bug #54607) is resolved.
-int opts = 0;  // No options by default.
-resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
-gui_settings *settings = rmgr.get_settings ();
-if (! settings->value (global_use_native_dialogs).toBool ())
-opts = QFileDialog::DontUseNativeDialog;
-QString file = file_arg;
-if (file.isEmpty ())
-file = QFileDialog::getOpenFileName (this, tr ("Load Workspace"), ".",
-nullptr, nullptr, QFileDialog::Option (opts));
-if (! file.isEmpty ())
-{
-emit interpreter_event
-([=] (interpreter& interp)
-{
-// INTERPRETER THREAD
-Fload (interp, ovl (file.toStdString ()));
-tree_evaluator& tw = interp.get_evaluator ();
-event_manager& xevmgr = interp.get_event_manager ();
-xevmgr.set_workspace (true, tw.get_symbol_info ());
-});
-}
-}
-void main_window::handle_open_any_request (const QString& file_arg)
-{
-if (! file_arg.isEmpty ())
-{
-std::string file = file_arg.toStdString ();
-emit interpreter_event
-([=] (interpreter& interp)
-{
-// INTERPRETER THREAD
-interp.feval ("open", ovl (file));
-// Update the workspace since open.m may have loaded new
-// variables.
-tree_evaluator& tw = interp.get_evaluator ();
-event_manager& xevmgr = interp.get_event_manager ();
-xevmgr.set_workspace (true, tw.get_symbol_info ());
-});
-}
-}
-void main_window::handle_clear_workspace_request (void)
-{
-emit interpreter_event
-([] (interpreter& interp)
-{
-// INTERPRETER THREAD
-Fclear (interp);
-});
-}
-void main_window::handle_clear_command_window_request (void)
-{
-emit interpreter_event
-([] (void)
-{
-// INTERPRETER THREAD
-command_editor::kill_full_line ();
-command_editor::clear_screen ();
-});
-}
-void main_window::handle_clear_history_request (void)
-{
-emit interpreter_event
-([] (interpreter& interp)
-{
-// INTERPRETER THREAD
-history_system& history_sys = interp.get_history_system ();
-history_sys.do_history (ovl ("-c"));
-});
-}
-void main_window::handle_undo_request (void)
-{
-if (command_window_has_focus ())
-{
-emit interpreter_event
-([] (void)
-{
-// INTERPRETER THREAD
-command_editor::undo ();
-command_editor::redisplay ();
-});
-}
-else
-emit undo_signal ();
-}
-void main_window::modify_path (const QStringList& dir_list,
-bool rm, bool subdirs)
-{
-emit interpreter_event
-([=] (interpreter& interp)
-{
-// INTERPRETER THREAD
-octave_value_list paths;
-// Loop over all directories in order to get all subdirs
-for (octave_idx_type i = 0; i < dir_list.length (); i++)
-{
-std::string dir = dir_list.at(i).toStdString ();
-if (subdirs)
-paths.append (Fgenpath (ovl (dir)));
-else
-paths.append (dir);
-}
-if (rm)
-Frmpath (interp, paths);
-else
-Faddpath (interp, paths);
-});
-}
-void main_window::edit_mfile (const QString& name, int line)
-{
-handle_edit_mfile_request (name, QString (), QString (), line);
-}
-void main_window::file_remove_proxy (const QString& o, const QString& n)
-{
-interpreter_qobject *interp_qobj = m_octave_qobj.interpreter_qobj ();
-qt_interpreter_events *qt_link = interp_qobj->qt_link ();
-// Wait for worker to suspend
-qt_link->lock ();
-// Close the file if opened
-#if defined (HAVE_QSCINTILLA)
-m_editor_window->handle_file_remove (o, n);
-#else
-octave_unused_parameter (o);
-octave_unused_parameter (n);
-#endif
-// We are done: Unlock and wake the worker thread
-qt_link->unlock ();
-qt_link->wake_all ();
-}
-void main_window::open_online_documentation_page (void)
-{
-QDesktopServices::openUrl
-(QUrl ("https://octave.org/doc/interpreter/index.html"));
-}
-void main_window::open_bug_tracker_page (void)
-{
-QDesktopServices::openUrl (QUrl ("https://octave.org/bugs.html"));
-}
-void main_window::open_octave_packages_page (void)
-{
-QDesktopServices::openUrl (QUrl ("https://packages.octave.org/index.html"));
-}
-void main_window::open_contribute_page (void)
-{
-QDesktopServices::openUrl (QUrl ("https://octave.org/contribute.html"));
-}
-void main_window::open_donate_page (void)
-{
-QDesktopServices::openUrl (QUrl ("https://octave.org/donate.html"));
-}
-void main_window::process_settings_dialog_request (const QString& desired_tab)
-{
-if (m_settings_dlg)  // m_settings_dlg is a guarded pointer!
-{
-// here the dialog is still open and called once again
-if (! desired_tab.isEmpty ())
-m_settings_dlg->show_tab (desired_tab);
-return;
-}
-m_settings_dlg = new settings_dialog (this, m_octave_qobj, desired_tab);
-connect (m_settings_dlg, &settings_dialog::apply_new_settings,
-this, &main_window::request_reload_settings);
-m_settings_dlg->setModal (false);
-m_settings_dlg->setAttribute (Qt::WA_DeleteOnClose);
-m_settings_dlg->show ();
-}
-void main_window::show_about_octave (void)
-{
-std::string message
-= octave_name_version_copyright_copying_warranty_and_bugs (true);
-QMessageBox::about (this, tr ("About Octave"),
-QString::fromStdString (message));
-}
-void main_window::notice_settings (const gui_settings *settings,
-bool update_by_worker)
-{
-if (! settings)
-return;
-// Get desired style from preferences or take the default one if
-// the desired one is not found
-QString preferred_style = settings->value (global_style).toString ();
-if (preferred_style == global_style.def.toString ())
-preferred_style = m_default_style;
-QApplication* qapp = m_octave_qobj.qapplication();
-if (preferred_style == global_extra_styles.at (EXTRA_STYLE_FUSION_DARK))
-{
-QStyle *new_style = QStyleFactory::create (QStringLiteral("Fusion"));
-if (new_style)
-qapp->setStyle (new_style);
-qapp->setPalette (getFusionDarkPalette());
-qapp->setStyleSheet ("QToolTip { color: #ffffff; background-color: #2a82da; border: 1px solid white; }");
-}
-else
-{
-QStyle *new_style = QStyleFactory::create (preferred_style);
-if (new_style)
-{
-qapp->setPalette (m_default_palette);
-qapp->setStyle (new_style);
-}
-}
-// the widget's icons (when floating)
-QString icon_set = settings->value (dw_icon_set).toString ();
-QString icon;
-for (auto *widget : dock_widget_list ())
-{
-QString name = widget->objectName ();
-if (! name.isEmpty ())
-{
-// if child has a name
-icon = dw_icon_set_names[icon_set];
-if (icon_set != "NONE")
-icon += name + ".png"; // add widget name and ext.
-widget->setWindowIcon (QIcon (icon));
-}
-}
-int size_idx = settings->value (global_icon_size).toInt ();
-size_idx = (size_idx > 0) - (size_idx < 0) + 1;  // Make valid index from 0 to 2
-QStyle *st = style ();
-int icon_size = st->pixelMetric (global_icon_sizes[size_idx]);
-m_main_tool_bar->setIconSize (QSize (icon_size, icon_size));
-if (settings->value (global_status_bar).toBool ())
-m_status_bar->show ();
-else
-m_status_bar->hide ();
-m_prevent_readline_conflicts
-= settings->value (sc_prevent_rl_conflicts).toBool ();
-m_prevent_readline_conflicts_menu
-= settings->value (sc_prevent_rl_conflicts_menu).toBool ();
-m_suppress_dbg_location
-= ! settings->value (cs_dbg_location).toBool ();
-resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
-rmgr.update_network_settings ();
-emit active_dock_changed (nullptr, m_active_dock); // update dock widget styles
-configure_shortcuts ();
-bool do_disable_main_menu_shortcuts
-= (m_active_dock == m_editor_window)
-|| (m_prevent_readline_conflicts_menu
-&& (m_active_dock == m_command_window));
-disable_menu_shortcuts (do_disable_main_menu_shortcuts);
-// Check whether some octave internal preferences have to be updated
-QString new_default_encoding
-= settings->value (ed_default_enc).toString ();
-// Do not update internal pref only if a) this update was not initiated
-// by the worker and b) the pref has really changes
-if (! update_by_worker && (new_default_encoding != m_default_encoding))
-update_default_encoding (new_default_encoding);
-// Set cursor blinking depending on the settings
-// Cursor blinking: consider old terminal related setting if not yet set
-// TODO: This pref. can be deprecated / removed if Qt adds support for
-//       getting the cursor blink preferences from all OS environments
-bool cursor_blinking;
-if (settings->contains (global_cursor_blinking.key))
-cursor_blinking = settings->value (global_cursor_blinking).toBool ();
-else
-cursor_blinking = settings->value (cs_cursor_blinking).toBool ();
-if (cursor_blinking)
-QApplication::setCursorFlashTime (1000);  // 1000 ms flash time
-else
-QApplication::setCursorFlashTime (0);  // no flashing
-}
-QPalette main_window::getFusionDarkPalette()
-{
-QPalette darkPalette;
-darkPalette.setColor(QPalette::Window, QColor(53, 53, 53));
-darkPalette.setColor(QPalette::WindowText, Qt::white);
-darkPalette.setColor(QPalette::Disabled, QPalette::WindowText, QColor(127, 127, 127));
-darkPalette.setColor(QPalette::Base, QColor(42, 42, 42));
-darkPalette.setColor(QPalette::AlternateBase, QColor(66, 66, 66));
-darkPalette.setColor(QPalette::ToolTipBase, Qt::white);
-darkPalette.setColor(QPalette::ToolTipText, Qt::white);
-darkPalette.setColor(QPalette::Text, Qt::white);
-darkPalette.setColor(QPalette::Disabled, QPalette::Text, QColor(127, 127, 127));
-darkPalette.setColor(QPalette::Dark, QColor(35, 35, 35));
-darkPalette.setColor(QPalette::Shadow, QColor(20, 20, 20));
-darkPalette.setColor(QPalette::Button, QColor(53, 53, 53));
-darkPalette.setColor(QPalette::ButtonText, Qt::white);
-darkPalette.setColor(QPalette::Disabled, QPalette::ButtonText, QColor(127, 127, 127));
-darkPalette.setColor(QPalette::BrightText, Qt::red);
-darkPalette.setColor(QPalette::Link, QColor(42, 130, 218));
-darkPalette.setColor(QPalette::Highlight, QColor(42, 130, 218));
-darkPalette.setColor(QPalette::Disabled, QPalette::Highlight, QColor(80, 80, 80));
-darkPalette.setColor(QPalette::HighlightedText, Qt::white);
-darkPalette.setColor(QPalette::Disabled, QPalette::HighlightedText, QColor(127, 127, 127));
-return darkPalette;
-}
-void main_window::prepare_to_exit (void)
-{
-// Find files dialog is constructed dynamically, not at time of main_window
-// construction.  Connecting it to qApp aboutToQuit signal would have
-// caused it to run after gui_settings is deleted.
-if (m_find_files_dlg)
-m_find_files_dlg->save_settings ();
-if (m_set_path_dlg)
-m_set_path_dlg->save_settings ();
-write_settings ();
-// No more active dock, otherwise, focus_changed would try to set
-// the focus to a dock widget that might not exist anymore
-m_active_dock = nullptr;
-}
-void main_window::go_to_previous_widget (void)
-{
-m_previous_dock->activate ();
-}
-void main_window::update_octave_directory (const QString& dir)
-{
-// Remove existing entry, if any, then add new directory at top and
-// mark it as the current directory.  Finally, update the file list
-// widget.
-int index = m_current_directory_combo_box->findText (dir);
-if (index >= 0)
-m_current_directory_combo_box->removeItem (index);
-m_current_directory_combo_box->insertItem (0, dir);
-m_current_directory_combo_box->setCurrentIndex (0);
-}
-void main_window::browse_for_directory (void)
-{
-// FIXME: Remove, if for all common KDE versions (bug #54607) is resolved.
-int opts = QFileDialog::ShowDirsOnly;
-resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
-gui_settings *settings = rmgr.get_settings ();
-if (! settings->value (global_use_native_dialogs).toBool ())
-opts = QFileDialog::DontUseNativeDialog;
-QString dir
-= QFileDialog::getExistingDirectory (this, tr ("Browse directories"), nullptr,
-QFileDialog::Option (opts));
-set_current_working_directory (dir);
-// FIXME: on Windows systems, the command window freezes after the
-// previous actions.  Forcing the focus appears to unstick it.
-focus_command_window ();
-}
-void main_window::set_current_working_directory (const QString& dir)
-{
-// Change to dir if it is an existing directory.
-QString xdir = (dir.isEmpty () ? "." : dir);
-QFileInfo fileInfo (xdir);
-if (fileInfo.exists () && fileInfo.isDir ())
-{
-emit interpreter_event
-([=] (interpreter& interp)
-{
-// INTERPRETER THREAD
-interp.chdir (xdir.toStdString ());
-});
-}
-}
-void main_window::change_directory_up (void)
-{
-set_current_working_directory ("..");
-}
-// Slot that is called if return is pressed in the line edit of the
-// combobox to change to a new directory or a directory that is already
-// in the drop down list.
-void main_window::accept_directory_line_edit (void)
-{
-// Get new directory name, and change to it if it is new.  Otherwise,
-// the combo box will trigger the "activated" signal to change to the
-// directory.
-QString dir = m_current_directory_combo_box->currentText ();
-int index = m_current_directory_combo_box->findText (dir);
-if (index < 0)
-set_current_working_directory (dir);
-}
-void main_window::execute_command_in_terminal (const QString& command)
-{
-if (m_octave_qobj.experimental_terminal_widget ())
-{
-emit execute_command_signal (command);
-}
-else
-{
-emit interpreter_event
-([=] (void)
-{
-// INTERPRETER THREAD
-std::string pending_input = command_editor::get_current_line ();
-command_editor::set_initial_input (pending_input);
-command_editor::replace_line (command.toStdString ());
-command_editor::redisplay ();
-command_editor::interrupt_event_loop ();
-command_editor::accept_line ();
-});
-}
-focus_console_after_command ();
-}
-void main_window::run_file_in_terminal (const QFileInfo& info)
-{
-emit interpreter_event
-([=] (interpreter& interp)
-{
-// INTERPRETER THREAD
-QString function_name = info.fileName ();
-function_name.chop (info.suffix ().length () + 1);
-std::string file_path = info.absoluteFilePath ().toStdString ();
-std::string pending_input = command_editor::get_current_line ();
-if (valid_identifier (function_name.toStdString ()))
-{
-// Valid identifier: call as function with possibility to
-// debug.
-load_path& lp = interp.get_load_path ();
-std::string path = info.absolutePath ().toStdString ();
-if (lp.contains_file_in_dir (file_path, path))
-command_editor::replace_line (function_name.toStdString ());
-}
-else
-{
-// No valid identifier: use equivalent of Fsource (), no
-// debug possible.
-interp.source_file (file_path);
-command_editor::replace_line ("");
-}
-command_editor::set_initial_input (pending_input);
-command_editor::redisplay ();
-command_editor::interrupt_event_loop ();
-command_editor::accept_line ();
-});
-focus_console_after_command ();
-}
-void main_window::handle_new_figure_request (void)
-{
-emit interpreter_event
-([] (interpreter& interp)
-{
-// INTERPRETER THREAD
-Fbuiltin (interp, ovl ("figure"));
-Fdrawnow (interp);
-});
-}
-void main_window::handle_enter_debugger (void)
-{
-setWindowTitle ("Octave (Debugging)");
-m_debug_continue->setEnabled (true);
-m_debug_step_into->setEnabled (true);
-m_debug_step_over->setEnabled (true);
-m_debug_step_out->setEnabled (true);
-m_debug_quit->setEnabled (true);
-}
-void main_window::handle_exit_debugger (void)
-{
-setWindowTitle ("Octave");
-m_debug_continue->setEnabled (false);
-m_debug_step_into->setEnabled (false);
-m_debug_step_over->setEnabled (m_editor_has_tabs && m_editor_is_octave_file);
-m_debug_step_out->setEnabled (false);
-m_debug_quit->setEnabled (false);
-}
-void main_window::debug_continue (void)
-{
-emit interpreter_event
-([=] (interpreter& interp)
-{
-// INTERPRETER THREAD
-F__db_next_breakpoint_quiet__ (interp, ovl (m_suppress_dbg_location));
-Fdbcont (interp);
-command_editor::interrupt (true);
-});
-}
-void main_window::debug_step_into (void)
-{
-emit interpreter_event
-([=] (interpreter& interp)
-{
-// INTERPRETER THREAD
-F__db_next_breakpoint_quiet__ (interp, ovl (m_suppress_dbg_location));
-Fdbstep (interp, ovl ("in"));
-command_editor::interrupt (true);
-});
-}
-void main_window::debug_step_over (void)
-{
-if (m_debug_quit->isEnabled ())
-{
-// We are in debug mode, just call dbstep.
-emit interpreter_event
-([=] (interpreter& interp)
-{
-// INTERPRETER THREAD
-F__db_next_breakpoint_quiet__ (interp,
-ovl (m_suppress_dbg_location));
-Fdbstep (interp);
-command_editor::interrupt (true);
-});
-}
-else
-{
-// Not in debug mode: "step into" the current editor file
-emit step_into_file_signal ();
-}
-}
-void main_window::debug_step_out (void)
-{
-emit interpreter_event
-([=] (interpreter& interp)
-{
-// INTERPRETER THREAD
-F__db_next_breakpoint_quiet__ (interp, ovl (m_suppress_dbg_location));
-Fdbstep (interp, ovl ("out"));
-command_editor::interrupt (true);
-});
-}
-void main_window::debug_quit (void)
-{
-emit interpreter_event
-([] (interpreter& interp)
-{
-// INTERPRETER THREAD
-Fdbquit (interp);
-command_editor::interrupt (true);
-});
-}
-//
-// Functions related to file editing
-//
-// These are moved from editor to here for also using them when octave
-// is built without qscintilla
-//
-void main_window::request_open_file (void)
-{
-// Open file isn't a file_editor_tab or editor function since the file
-// might be opened in an external editor.  Hence, functionality is here.
-resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
-gui_settings *settings = rmgr.get_settings ();
-bool is_internal = m_editor_window
-&& ! settings->value (global_use_custom_editor.key,
-global_use_custom_editor.def).toBool ();
-// Create a NonModal message.
-QWidget *p = this;
-if (is_internal)
-p = m_editor_window;
-QFileDialog *fileDialog = new QFileDialog (p);
-fileDialog->setNameFilter (tr ("Octave Files (*.m);;All Files (*)"));
-fileDialog->setAcceptMode (QFileDialog::AcceptOpen);
-fileDialog->setViewMode (QFileDialog::Detail);
-fileDialog->setFileMode (QFileDialog::ExistingFiles);
-fileDialog->setDirectory (m_current_directory_combo_box->itemText (0));
-// FIXME: Remove, if for all common KDE versions (bug #54607) is resolved.
-if (! settings->value (global_use_native_dialogs).toBool ())
-fileDialog->setOption(QFileDialog::DontUseNativeDialog);
-connect (fileDialog, &QFileDialog::filesSelected,
-this, &main_window::request_open_files);
-fileDialog->setWindowModality (Qt::NonModal);
-fileDialog->setAttribute (Qt::WA_DeleteOnClose);
-fileDialog->show ();
-}
-// Create a new script
-void main_window::request_new_script (const QString& commands)
-{
-emit new_file_signal (commands);
-}
-// Create a new function and open it
-void main_window::request_new_function (bool)
-{
-bool ok;
-// Get the name of the new function: Parent of the input dialog is the
-// editor window or the main window.  The latter is chosen, if a custom
-// editor is used or qscintilla is not available
-QWidget *p = m_editor_window;
-resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
-gui_settings *settings = rmgr.get_settings ();
-if (! p || settings->value (global_use_custom_editor.key,
-global_use_custom_editor.def).toBool ())
-p = this;
-QString new_name = QInputDialog::getText (p, tr ("New Function"),
-tr ("New function name:\n"), QLineEdit::Normal, "", &ok);
-if (ok && new_name.length () > 0)
-{
-// append suffix if it does not already exist
-if (new_name.rightRef (2) != ".m")
-new_name.append (".m");
-// check whether new files are created without prompt
-if (! settings->value (ed_create_new_file).toBool ())
-{
-// no, so enable this settings and wait for end of new file loading
-settings->setValue (ed_create_new_file.key, true);
-connect (m_editor_window, SIGNAL (file_loaded_signal (void)),
-this, SLOT (restore_create_file_setting (void)));
-}
-// start the edit command
-execute_command_in_terminal ("edit " + new_name);
-}
-}
-void main_window::handle_edit_mfile_request (const QString& fname,
-const QString& ffile,
-const QString& curr_dir,
-int line)
-{
-emit interpreter_event
-([=] (interpreter& interp)
-{
-// INTERPRETER THREAD
-// Split possible subfunctions
-QStringList fcn_list = fname.split ('>');
-QString fcn_name = fcn_list.at (0) + ".m";
-// FIXME: could use symbol_exist directly, but we may also want
-// to fix that to be a member function in the interpreter
-// class?
-// Is it a regular function within the search path? (Call Fexist)
-octave_value_list fct = Fexist (interp, ovl (fname.toStdString ()),0);
-int type = fct (0).int_value ();
-QString message = QString ();
-QString filename = QString ();
-switch (type)
-{
-case 3:
-case 5:
-case 103:
-message = tr ("%1 is a built-in, compiled or inline\n"
-"function and can not be edited.");
-break;
-case 2:
-// FIXME: could use a load_path function directly.
-octave_value_list file_path
-= Ffile_in_loadpath (interp, ovl (fcn_name.toStdString ()), 0);
-if (file_path.length () > 0)
-filename = QString::fromStdString (file_path (0).string_value ());
-break;
-}
-if (filename.isEmpty () && message.isEmpty ())
-{
-// No error so far, but function still not known
-// -> try directory of edited file
-// get directory
-QDir dir;
-if (ffile.isEmpty ())
-{
-if (curr_dir.isEmpty ())
-dir = QDir (m_current_directory_combo_box->itemText (0));
-else
-dir = QDir (curr_dir);
-}
-else
-dir = QDir (QFileInfo (ffile).canonicalPath ());
-QFileInfo file = QFileInfo (dir, fcn_name);
-if (file.exists ())
-filename = file.canonicalFilePath (); // local file exists
-else
-{
-// local file does not exist -> try private directory
-file = QFileInfo (ffile);
-file = QFileInfo (QDir (file.canonicalPath () + "/private"),
-fcn_name);
-if (file.exists ())
-filename = file.canonicalFilePath ();  // private function exists
-else
-message = tr ("Can not find function %1");  // no file found
-}
-}
-if (! message.isEmpty ())
-{
-emit warning_function_not_found_signal (message.arg (fname));
-return;
-}
-if (! filename.endsWith (".m"))
-filename.append (".m");
-// default encoding
-emit open_file_signal (filename, QString (), line);
-});
-}
-void main_window::warning_function_not_found (const QString& message)
-{
-QMessageBox *msgBox = new QMessageBox (QMessageBox::Critical,
-tr ("Octave Editor"),
-message, QMessageBox::Ok, this);
-msgBox->setWindowModality (Qt::NonModal);
-msgBox->setAttribute (Qt::WA_DeleteOnClose);
-msgBox->show ();
-}
-void main_window::handle_insert_debugger_pointer_request (const QString& file,
-int line)
-{
-bool cmd_focus = command_window_has_focus ();
-emit insert_debugger_pointer_signal (file, line);
-if (cmd_focus)
 focus_command_window ();
 }
+}
-void main_window::handle_delete_debugger_pointer_request (const QString& file,
-int line)
-{
-bool cmd_focus = command_window_has_focus ();
-emit delete_debugger_pointer_signal (file, line);
-if (cmd_focus)
-focus_command_window ();
-}
-void main_window::handle_update_breakpoint_marker_request (bool insert,
-const QString& file,
-int line,
-const QString& cond)
-{
-bool cmd_focus = command_window_has_focus ();
-emit update_breakpoint_marker_signal (insert, file, line, cond);
-if (cmd_focus)
-focus_command_window ();
-}
-void main_window::read_settings (void)
-{
-resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
-gui_settings *settings = rmgr.get_settings ();
-if (! settings)
-{
-qDebug ("Error: gui_settings pointer from resource manager is NULL.");
-return;
-}
-set_window_layout (settings);
-// restore the list of the last directories
-QStringList curr_dirs = settings->value (mw_dir_list).toStringList ();
-for (int i=0; i < curr_dirs.size (); i++)
-{
-m_current_directory_combo_box->addItem (curr_dirs.at (i));
-}
-emit settings_changed (settings);
-}
-void main_window::init_terminal_size (void)
-{
-emit init_terminal_size_signal ();
-}
-void main_window::set_window_layout (gui_settings *settings)
-{
-// For resetting from some inconsistent state, first reset layout
-// without saving or showing it
-do_reset_windows (true, false);
-// Restore main window state and geometry from settings file or, in case
-// of an error (no pref values yet), from the default layout.
-if (! restoreGeometry (settings->value (mw_geometry).toByteArray ()))
-{
-do_reset_windows (true);
-return;
-}
-if (isMaximized())
-{
-// If the window state is restored to maximized layout, the
-// horizontal layout is not preserved. This cann be avoided by
-// setting the geometry to the max. available geometry. However, on
-// X11, the available geometry (excluding task bar etc.) is equal to
-// the total geometry leading to a full screen mode without window
-// decorations. This in turn can be avoided by explicitly adding
-// a title bar in the window flags.
-// Get available geometry for current screen and set this
-// window's geometry to it.
-QScreen *s = windowHandle ()->screen ();
-QRect av_geom = s->availableGeometry ();
-setGeometry (av_geom);  // Set (correct) available geometry
-// Force full title bar
-setWindowFlags(Qt::WindowTitleHint
-| Qt::WindowMinMaxButtonsHint
-| Qt::WindowSystemMenuHint
-| Qt::WindowCloseButtonHint);
-}
-if (! restoreState (settings->value (mw_state).toByteArray ()))
-{
-do_reset_windows (true);
-return;
-}
-// Restore the geometry of all dock-widgets
-for (auto *widget : dock_widget_list ())
-{
-// Leave any widgets that existed before main_window was created
-// as they were.
-if (widget->adopted ())
-continue;
-QString name = widget->objectName ();
-if (! name.isEmpty ())
-{
-bool floating = false;
-bool visible = true;
-floating = settings->value
-(dw_is_floating.key.arg (name), dw_is_floating.def).toBool ();
-visible = settings->value
-(dw_is_visible.key.arg (name), dw_is_visible.def).toBool ();
-// If floating, make window from widget.
-if (floating)
-{
-widget->make_window ();
-if (visible)
-{
-if (settings->value (dw_is_minimized.key.arg (name),
-dw_is_minimized.def).toBool ())
-widget->showMinimized ();
-else
-widget->setVisible (true);
-}
-else
-widget->setVisible (false);
-}
-else  // not floating
-{
-if (! widget->parent ())        // should not be floating but is
-widget->make_widget (false);  // no docking, just reparent
-widget->make_widget ();
-widget->setVisible (visible);   // not floating -> show
-}
-}
-}
-show ();
-}
-void main_window::write_settings (void)
-{
-resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
-gui_settings *settings = rmgr.get_settings ();
-if (! settings)
-{
-qDebug ("Error: gui_settings pointer from resource manager is NULL.");
-return;
-}
-settings->setValue (mw_geometry.key, saveGeometry ());
-settings->setValue (mw_state.key, saveState ());
-// write the list of recently used directories
-QStringList curr_dirs;
-for (int i=0; i<m_current_directory_combo_box->count (); i++)
-{
-curr_dirs.append (m_current_directory_combo_box->itemText (i));
-}
-settings->setValue (mw_dir_list.key, curr_dirs);
-settings->sync ();
-}
-void main_window::copyClipboard (void)
-{
-if (m_current_directory_combo_box->hasFocus ())
-{
-QLineEdit *edit = m_current_directory_combo_box->lineEdit ();
-if (edit && edit->hasSelectedText ())
-{
-QClipboard *clipboard = QApplication::clipboard ();
-clipboard->setText (edit->selectedText ());
-}
-}
-else
-emit copyClipboard_signal ();
-}
-void main_window::pasteClipboard (void)
-{
-if (m_current_directory_combo_box->hasFocus ())
-{
-QLineEdit *edit = m_current_directory_combo_box->lineEdit ();
-QClipboard *clipboard = QApplication::clipboard ();
-QString str = clipboard->text ();
-if (edit && str.length () > 0)
-{
-edit->insert (str);
-}
-}
-else
-emit pasteClipboard_signal ();
-}
-void main_window::selectAll (void)
-{
-if (m_current_directory_combo_box->hasFocus ())
-{
-QLineEdit *edit = m_current_directory_combo_box->lineEdit ();
-if (edit)
-{
-edit->selectAll ();
-}
-}
-else
-emit selectAll_signal ();
-}
-void main_window::handle_gui_status_update (const QString& feature,
-const QString& status)
-{
-// Put actions that are required for updating a gui features here
-// Profiler on/off
-if (! feature.compare ("profiler"))
-{
-if (! status.compare ("on", Qt::CaseInsensitive))
-handle_profiler_status_update (true);
-else if (! status.compare ("off", Qt::CaseInsensitive))
-handle_profiler_status_update (false);
-}
-}
-void main_window::handle_octave_ready (void)
-{
-// actions after the startup files are executed
-resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
-gui_settings *settings = rmgr.get_settings ();
-QDir startup_dir = QDir ();    // current octave dir after startup
-if (settings)
-{
-if (settings->value (global_restore_ov_dir).toBool ())
-{
-// restore last dir from previous session
-QStringList curr_dirs
-= settings->value (mw_dir_list).toStringList ();
-if (curr_dirs.length () > 0)
-startup_dir = QDir (curr_dirs.at (0));  // last dir prev. session
-}
-else if (! settings->value (global_ov_startup_dir).toString ().isEmpty ())
-{
-// do not restore but there is a startup dir configured
-startup_dir
-= QDir (settings->value (global_ov_startup_dir).toString ());
-}
-update_default_encoding (settings->value (ed_default_enc).toString ());
-}
-if (! startup_dir.exists ())
-{
-// the configured startup dir does not exist, take actual one
-startup_dir = QDir ();
-}
-set_current_working_directory (startup_dir.absolutePath ());
-if (m_editor_window)
-{
-#if defined (HAVE_QSCINTILLA)
-// Octave ready, determine whether to create an empty script.
-// This can not be done when the editor is created because all functions
-// must be known for the lexer's auto completion information
-m_editor_window->empty_script (true, false);
-m_editor_window->restore_session (settings);
-#endif
-}
-if (m_octave_qobj.experimental_terminal_widget ())
-{
-// Set initial prompt.
-emit interpreter_event
-([] (interpreter& interp)
-{
-// INTERPRETER_THREAD
-event_manager& evmgr = interp.get_event_manager ();
-input_system& input_sys = interp.get_input_system ();
-input_sys.PS1 (">> ");
-std::string prompt = input_sys.PS1 ();
-evmgr.update_prompt (command_editor::decode_prompt_string (prompt));
-});
-}
-m_command_window->init_command_prompt ();
-focus_command_window ();  // make sure that the command window has focus
-}
-void main_window::handle_set_path_dialog_request (void)
-{
-if (m_set_path_dlg)  // m_set_path_dlg is a guarded pointer!
-return;
-m_set_path_dlg = new set_path_dialog (this, m_octave_qobj);
-m_set_path_dlg->setModal (false);
-m_set_path_dlg->setAttribute (Qt::WA_DeleteOnClose);
-m_set_path_dlg->show ();
-// Any interpreter_event signal from a set_path_dialog object is
-// handled the same as for the main_window object.
-connect (m_set_path_dlg, QOverload<const fcn_callback&>::of (&set_path_dialog::interpreter_event),
-this, QOverload<const fcn_callback&>::of (&main_window::interpreter_event));
-connect (m_set_path_dlg, QOverload<const meth_callback&>::of (&set_path_dialog::interpreter_event),
-this, QOverload<const meth_callback&>::of (&main_window::interpreter_event));
-connect (m_set_path_dlg, &set_path_dialog::modify_path_signal,
-this, &main_window::modify_path);
-interpreter_qobject *interp_qobj = m_octave_qobj.interpreter_qobj ();
-qt_interpreter_events *qt_link = interp_qobj->qt_link ();
-connect (qt_link, &qt_interpreter_events::update_path_dialog_signal,
-m_set_path_dlg, &set_path_dialog::update_model);
-// Now that all the signal connections are in place for the dialog
-// we can set the initial value of the path in the model.
-m_set_path_dlg->update_model ();
-}
-void main_window::find_files (const QString& start_dir)
-{
-if (! m_find_files_dlg)
-{
-m_find_files_dlg = new find_files_dialog (this, m_octave_qobj);
-connect (m_find_files_dlg, &find_files_dialog::finished,
-this, &main_window::find_files_finished);
-connect (m_find_files_dlg, &find_files_dialog::dir_selected,
-m_file_browser_window, &files_dock_widget::set_current_directory);
-connect (m_find_files_dlg, &find_files_dialog::file_selected,
-this, QOverload<const QString&>::of (&main_window::open_file_signal));
-m_find_files_dlg->setWindowModality (Qt::NonModal);
-}
-if (! m_find_files_dlg->isVisible ())
-{
-m_find_files_dlg->show ();
-}
-m_find_files_dlg->set_search_dir (start_dir);
-m_find_files_dlg->activateWindow ();
-}
-void main_window::set_screen_size (int ht, int wd)
-{
-emit interpreter_event
-([=] (void)
-{
-// INTERPRETER THREAD
-command_editor::set_screen_size (ht, wd);
-});
-}
-void main_window::clipboard_has_changed (void)
-{
-if (m_clipboard->text ().isEmpty ())
-{
-m_paste_action->setEnabled (false);
-m_clear_clipboard_action->setEnabled (false);
-}
-else
-{
-m_paste_action->setEnabled (true);
-m_clear_clipboard_action->setEnabled (true);
-}
-}
-void main_window::clear_clipboard (void)
-{
-m_clipboard->clear (QClipboard::Clipboard);
-}
-void main_window::disable_menu_shortcuts (bool disable)
-{
-QHash<QMenu *, QStringList>::const_iterator i = m_hash_menu_text.constBegin ();
-while (i != m_hash_menu_text.constEnd ())
-{
-i.key ()->setTitle (i.value ().at (disable));
-++i;
-}
-}
-void main_window::restore_create_file_setting (void)
-{
-// restore the new files creation setting
-resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
-gui_settings *settings = rmgr.get_settings ();
-settings->setValue (ed_create_new_file.key, false);
-disconnect (m_editor_window, SIGNAL (file_loaded_signal (void)),
-this, SLOT (restore_create_file_setting (void)));
-}
-void main_window::set_file_encoding (const QString& new_encoding)
-{
-m_file_encoding = new_encoding;
-}
-// The following slot is called after files have been selected in the
-// open file dialog, possibly with a new selected encoding stored in
-// m_file_encoding
-void main_window::request_open_files (const QStringList& open_file_names)
-{
-for (int i = 0; i < open_file_names.count (); i++)
-emit open_file_signal (open_file_names.at (i), m_file_encoding, -1);
-}
-void main_window::profiler_session (void)
-{
-emit interpreter_event
-([=] (interpreter& interp)
-{
-// INTERPRETER THREAD
-Ffeval (interp, ovl ("profile","on"));
-});
-}
-void main_window::profiler_session_resume (void)
-{
-emit interpreter_event
-([=] (interpreter& interp)
-{
-// INTERPRETER THREAD
-Ffeval (interp, ovl ("profile","resume"));
-});
-}
-void main_window::profiler_stop (void)
-{
-emit interpreter_event
-([=] (interpreter& interp)
-{
-// INTERPRETER THREAD
-Ffeval (interp, ovl ("profile","off"));
-});
-}
-void main_window::handle_profiler_status_update (bool active)
-{
-m_profiler_start->setEnabled (! active);
-m_profiler_resume->setEnabled (! active);
-m_profiler_stop->setEnabled (active);
-led_indicator::led_state state = led_indicator::LED_STATE_INACTIVE;
-if (active)
-state = led_indicator::LED_STATE_ACTIVE;
-m_profiler_status_indicator->set_state (state);
-}
-void main_window::profiler_show (void)
-{
-// Do not use a separate interpreter event as in the other
-// profiler slots since the output of the command "profshow"
-// would obscure the prompt and we do not need to emimt a signal
-// for action that is required in the gui after rhe command
-execute_command_in_terminal ("profshow");
-}
-void main_window::closeEvent (QCloseEvent *e)
-{
-write_settings ();
-if (confirm_shutdown ())
-{
-// FIXME: Instead of ignoring the event and posting an
-// interpreter event, should we just accept the event and
-// shutdown and clean up the interpreter as part of closing the
-// GUI?  Going that route might make it easier to close the GUI
-// without having to stop the interpreter, for example, if the
-// GUI is started from the interpreter command line.
-e->ignore ();
-if (m_octave_qobj.experimental_terminal_widget ()
-&& ! m_octave_qobj.is_gui_app ())
-emit close_gui_signal ();
-else
-{
-emit interpreter_event
-([] (interpreter& interp)
-{
-// INTERPRETER THREAD
-interp.quit (0, false, false);
-});
-}
-}
-else
-e->ignore ();
-}
-void main_window::construct_central_widget (void)
-{
-// Create and set the central widget.  QMainWindow takes ownership of
-// the widget (pointer) so there is no need to delete the object upon
-// destroying this main_window.
-QWidget *dummyWidget = new QWidget ();
-dummyWidget->setObjectName ("CentralDummyWidget");
-dummyWidget->resize (10, 10);
-dummyWidget->setSizePolicy (QSizePolicy::Fixed, QSizePolicy::Fixed);
-dummyWidget->hide ();
-setCentralWidget (dummyWidget);
-}
-// Main subroutine of the constructor
-void main_window::construct (void)
-{
-setWindowIcon (QIcon (dw_icon_set_names["NONE"]));
-interpreter_qobject *interp_qobj = m_octave_qobj.interpreter_qobj ();
-qt_interpreter_events *qt_link = interp_qobj->qt_link ();
-construct_menu_bar ();
-construct_tool_bar ();
-// FIXME: Is this action intended to be about quitting application
-// or closing the main window?
-connect (qApp, &QApplication::aboutToQuit,
-this, &main_window::prepare_to_exit);
-connect (qApp, &QApplication::focusChanged,
-this, &main_window::focus_changed);
-connect (this, &main_window::settings_changed,
-this, [=] (const gui_settings *settings) { notice_settings (settings); });
-// Connections for signals from the interpreter thread where the slot
-// should be executed by the gui thread
-connect (this, &main_window::warning_function_not_found_signal,
-this, &main_window::warning_function_not_found);
-setWindowTitle ("Octave");
-setStatusBar (m_status_bar);
-// Signals for removing/renaming files/dirs in the temrinal window
-connect (qt_link, &qt_interpreter_events::file_remove_signal,
-this, &main_window::file_remove_proxy);
-connect (this, QOverload<const fcn_callback&>::of (&main_window::interpreter_event),
-&m_octave_qobj, QOverload<const fcn_callback&>::of (&base_qobject::interpreter_event));
-connect (this, QOverload<const meth_callback&>::of (&main_window::interpreter_event),
-&m_octave_qobj, QOverload<const meth_callback&>::of (&base_qobject::interpreter_event));
-configure_shortcuts ();
-}
-void main_window::construct_octave_qt_link (void)
-{
-interpreter_qobject *interp_qobj = m_octave_qobj.interpreter_qobj ();
-qt_interpreter_events *qt_link = interp_qobj->qt_link ();
-connect (qt_link, &qt_interpreter_events::settings_changed,
-this, &main_window::notice_settings);
-connect (qt_link, &qt_interpreter_events::apply_new_settings,
-this, &main_window::request_reload_settings);
-connect (qt_link, &qt_interpreter_events::directory_changed_signal,
-this, &main_window::update_octave_directory);
-connect (qt_link, &qt_interpreter_events::execute_command_in_terminal_signal,
-this, &main_window::execute_command_in_terminal);
-connect (qt_link, &qt_interpreter_events::enter_debugger_signal,
-this, &main_window::handle_enter_debugger);
-connect (qt_link, &qt_interpreter_events::exit_debugger_signal,
-this, &main_window::handle_exit_debugger);
-connect (qt_link, &qt_interpreter_events::show_preferences_signal,
-this, [=] () { process_settings_dialog_request (); });
-connect (qt_link, &qt_interpreter_events::insert_debugger_pointer_signal,
-this, &main_window::handle_insert_debugger_pointer_request);
-connect (qt_link, &qt_interpreter_events::delete_debugger_pointer_signal,
-this, &main_window::handle_delete_debugger_pointer_request);
-connect (qt_link, &qt_interpreter_events::update_breakpoint_marker_signal,
-this, &main_window::handle_update_breakpoint_marker_request);
-connect (qt_link, &qt_interpreter_events::gui_status_update_signal,
-this, &main_window::handle_gui_status_update);
-connect (qt_link, &qt_interpreter_events::update_gui_lexer_signal,
-this, &main_window::update_gui_lexer_signal);
-}
-QAction* main_window::add_action (QMenu *menu, const QIcon& icon,
-const QString& text, const char *member,
-const QWidget *receiver)
-{
-QAction *a;
-if (receiver)
-a = menu->addAction (icon, text, receiver, member);
-else
-a = menu->addAction (icon, text, this, member);
-addAction (a);  // important for shortcut context
-a->setShortcutContext (Qt::ApplicationShortcut);
-return a;
-}
-QMenu* main_window::m_add_menu (QMenuBar *p, QString name)
-{
-QMenu *menu = p->addMenu (name);
-QString base_name = name;  // get a copy
-// replace intended '&' ("&&") by a temp. string
-base_name.replace ("&&", "___octave_amp_replacement___");
-// remove single '&' (shortcut)
-base_name.remove ("&");
-// restore intended '&'
-base_name.replace ("___octave_amp_replacement___", "&&");
-// remember names with and without shortcut
-m_hash_menu_text[menu] = QStringList ({ name, base_name });
-return menu;
-}
-void main_window::construct_menu_bar (void)
-{
-QMenuBar *menu_bar = menuBar ();
-construct_file_menu (menu_bar);
-construct_edit_menu (menu_bar);
-construct_debug_menu (menu_bar);
-construct_tools_menu (menu_bar);
-construct_window_menu (menu_bar);
-construct_help_menu (menu_bar);
-construct_news_menu (menu_bar);
-#if defined (HAVE_QSCINTILLA)
-// call the editor to add actions which should also be available in the
-// editor's menu and tool bar
-QList<QAction *> shared_actions = {
-m_new_script_action,
-m_new_function_action,
-m_open_action,
-m_find_files_action,
-m_undo_action,
-m_copy_action,
-m_paste_action,
-m_select_all_action
-};
-m_editor_window->insert_global_actions (shared_actions);
-#endif
-}
-void main_window::construct_file_menu (QMenuBar *p)
-{
-QMenu *file_menu = m_add_menu (p, tr ("&File"));
-construct_new_menu (file_menu);
-resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
-m_open_action = add_action (
-file_menu, rmgr.icon ("document-open"), tr ("Open..."),
-SLOT (request_open_file (void)), this);
-m_open_action->setToolTip (tr ("Open an existing file in editor"));
-#if defined (HAVE_QSCINTILLA)
-file_menu->addMenu (m_editor_window->get_mru_menu ());
-#endif
-file_menu->addSeparator ();
-m_load_workspace_action = add_action (
-file_menu, QIcon (), tr ("Load Workspace..."),
-SLOT (handle_load_workspace_request (void)), this);
-m_save_workspace_action = add_action (
-file_menu, QIcon (), tr ("Save Workspace As..."),
-SLOT (handle_save_workspace_request (void)), this);
-file_menu->addSeparator ();
-m_exit_action = add_action (
-file_menu, QIcon (), tr ("Exit"),
-SLOT (close (void)), this);
-m_exit_action->setMenuRole (QAction::QuitRole);
-// Connect signal related to opening or creating editor files
-connect (this, SIGNAL (new_file_signal (const QString&)),
-m_active_editor, SLOT (request_new_file (const QString&)));
-connect (this, SIGNAL (open_file_signal (const QString&)),
-m_active_editor, SLOT (request_open_file (const QString&)));
-connect (this,
-SIGNAL (open_file_signal (const QString&, const QString&, int)),
-m_active_editor,
-SLOT (request_open_file (const QString&, const QString&, int)));
-}
-void main_window::construct_new_menu (QMenu *p)
-{
-QMenu *new_menu = p->addMenu (tr ("New"));
-resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
-m_new_script_action = add_action (
-new_menu, rmgr.icon ("document-new"), tr ("New Script"),
-SLOT (request_new_script (void)), this);
-m_new_function_action = add_action (
-new_menu, QIcon (), tr ("New Function..."),
-SLOT (request_new_function (void)), this);
-m_new_figure_action = add_action (
-new_menu, QIcon (), tr ("New Figure"),
-SLOT (handle_new_figure_request (void)), this);
-}
-void main_window::construct_edit_menu (QMenuBar *p)
-{
-QMenu *edit_menu = m_add_menu (p, tr ("&Edit"));
-QKeySequence ctrl_shift = Qt::ControlModifier + Qt::ShiftModifier;
-resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
-m_undo_action
-= edit_menu->addAction (rmgr.icon ("edit-undo"), tr ("Undo"));
-m_undo_action->setShortcutContext (Qt::ApplicationShortcut);
-edit_menu->addSeparator ();
-m_copy_action
-= edit_menu->addAction (rmgr.icon ("edit-copy"), tr ("Copy"), this,
-&main_window::copyClipboard);
-m_copy_action->setShortcutContext (Qt::ApplicationShortcut);
-m_paste_action
-= edit_menu->addAction (rmgr.icon ("edit-paste"), tr ("Paste"), this,
-&main_window::pasteClipboard);
-m_paste_action->setShortcutContext (Qt::ApplicationShortcut);
-m_select_all_action
-= edit_menu->addAction (tr ("Select All"), this,
-&main_window::selectAll);
-m_select_all_action->setShortcutContext (Qt::ApplicationShortcut);
-m_clear_clipboard_action
-= edit_menu->addAction (tr ("Clear Clipboard"), this,
-&main_window::clear_clipboard);
-edit_menu->addSeparator ();
-m_find_files_action
-= edit_menu->addAction (rmgr.icon ("edit-find"), tr ("Find Files..."));
-edit_menu->addSeparator ();
-m_clear_command_window_action
-= edit_menu->addAction (tr ("Clear Command Window"));
-m_clear_command_history_action
-= edit_menu->addAction (tr ("Clear Command History"));
-m_clear_workspace_action
-= edit_menu->addAction (tr ("Clear Workspace"));
-edit_menu->addSeparator ();
-m_set_path_action
-= edit_menu->addAction (tr ("Set Path"));
-m_preferences_action
-= edit_menu->addAction (rmgr.icon ("preferences-system"),
-tr ("Preferences..."));
-connect (m_find_files_action, &QAction::triggered,
-this, [=] () { find_files (); });
-connect (m_clear_command_window_action, &QAction::triggered,
-this, &main_window::handle_clear_command_window_request);
-connect (m_clear_command_history_action, &QAction::triggered,
-this, &main_window::handle_clear_history_request);
-connect (m_clear_workspace_action, &QAction::triggered,
-this, &main_window::handle_clear_workspace_request);
-connect (m_clipboard, &QClipboard::dataChanged,
-this, &main_window::clipboard_has_changed);
-clipboard_has_changed ();
-#if defined (Q_OS_WIN32)
-// Always enable paste action (unreliable clipboard signals in windows)
-// FIXME: This has to be removed, when the clipboard signals in windows
-//        are working again
-m_paste_action->setEnabled (true);
-m_clear_clipboard_action->setEnabled (true);
-#endif
-connect (m_preferences_action, &QAction::triggered,
-this, [=] () { process_settings_dialog_request (); });
-connect (m_set_path_action, &QAction::triggered,
-this, &main_window::handle_set_path_dialog_request);
-}
-QAction * main_window::construct_debug_menu_item (const char *icon,
-const QString& item,
-const char *member)
-{
-resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
-QAction *action = add_action (m_debug_menu, rmgr.icon (QString (icon)),
-item, member);
-action->setEnabled (false);
-#if defined (HAVE_QSCINTILLA)
-m_editor_window->debug_menu ()->addAction (action);
-m_editor_window->toolbar ()->addAction (action);
-#endif
-return action;
-}
-void main_window::construct_debug_menu (QMenuBar *p)
-{
-m_debug_menu = m_add_menu (p, tr ("De&bug"));
-m_debug_step_over
-= construct_debug_menu_item ("db-step", tr ("Step"),
-SLOT (debug_step_over (void)));
-m_debug_step_into
-= construct_debug_menu_item ("db-step-in", tr ("Step In"),
-SLOT (debug_step_into (void)));
-m_debug_step_out
-= construct_debug_menu_item ("db-step-out", tr ("Step Out"),
-SLOT (debug_step_out (void)));
-m_debug_continue
-= construct_debug_menu_item ("db-cont", tr ("Continue"),
-SLOT (debug_continue (void)));
-m_debug_menu->addSeparator ();
-#if defined (HAVE_QSCINTILLA)
-m_editor_window->debug_menu ()->addSeparator ();
-#endif
-m_debug_quit
-= construct_debug_menu_item ("db-stop", tr ("Quit Debug Mode"),
-SLOT (debug_quit (void)));
-}
-void main_window::construct_tools_menu (QMenuBar *p)
-{
-QMenu *tools_menu = m_add_menu (p, tr ("&Tools"));
-m_profiler_start = add_action (tools_menu, QIcon (),
-tr ("Start &Profiler Session"), SLOT (profiler_session ()));
-m_profiler_resume = add_action (tools_menu, QIcon (),
-tr ("&Resume Profiler Session"), SLOT (profiler_session_resume ()));
-m_profiler_stop = add_action (tools_menu, QIcon (),
-tr ("&Stop Profiler"), SLOT (profiler_stop ()));
-m_profiler_stop->setEnabled (false);
-m_profiler_show = add_action (tools_menu, QIcon (),
-tr ("&Show Profile Data"), SLOT (profiler_show ()));
-}
-void main_window::editor_tabs_changed (bool have_tabs, bool is_octave)
-{
-// Set state of actions which depend on the existence of editor tabs
-m_editor_has_tabs = have_tabs;
-m_editor_is_octave_file = is_octave;
-m_debug_step_over->setEnabled (have_tabs && is_octave);
-}
-QAction * main_window::construct_window_menu_item (QMenu *p,
-const QString& item,
-bool checkable,
-QWidget *widget)
-{
-QAction *action = p->addAction (QIcon (), item);
-addAction (action);  // important for shortcut context
-action->setCheckable (checkable);
-action->setShortcutContext (Qt::ApplicationShortcut);
-if (widget)  // might be zero for m_editor_window
-{
-if (checkable)
-{
-// action for visibility of dock widget
-connect (action, SIGNAL (toggled (bool)),
-widget, SLOT (setVisible (bool)));
-connect (widget, SIGNAL (active_changed (bool)),
-action, SLOT (setChecked (bool)));
-}
-else
-{
-// action for focus of dock widget
-connect (action, SIGNAL (triggered (void)),
-widget, SLOT (activate (void)));
-}
-}
-else
-{
-action->setEnabled (false);
-}
-return action;
-}
-void main_window::construct_window_menu (QMenuBar *p)
-{
-QMenu *window_menu = m_add_menu (p, tr ("&Window"));
-m_show_command_window_action = construct_window_menu_item
-(window_menu, tr ("Show Command Window"), true, m_command_window);
-m_show_history_action = construct_window_menu_item
-(window_menu, tr ("Show Command History"), true, m_history_window);
-m_show_file_browser_action = construct_window_menu_item
-(window_menu, tr ("Show File Browser"), true, m_file_browser_window);
-m_show_workspace_action = construct_window_menu_item
-(window_menu, tr ("Show Workspace"), true, m_workspace_window);
-m_show_editor_action = construct_window_menu_item
-(window_menu, tr ("Show Editor"), true, m_editor_window);
-m_show_documentation_action = construct_window_menu_item
-(window_menu, tr ("Show Documentation"), true, m_doc_browser_window);
-m_show_variable_editor_action = construct_window_menu_item
-(window_menu, tr ("Show Variable Editor"), true, m_variable_editor_window);
-window_menu->addSeparator ();
-m_command_window_action = construct_window_menu_item
-(window_menu, tr ("Command Window"), false, m_command_window);
-m_history_action = construct_window_menu_item
-(window_menu, tr ("Command History"), false, m_history_window);
-m_file_browser_action = construct_window_menu_item
-(window_menu, tr ("File Browser"), false, m_file_browser_window);
-m_workspace_action = construct_window_menu_item
-(window_menu, tr ("Workspace"), false, m_workspace_window);
-m_editor_action = construct_window_menu_item
-(window_menu, tr ("Editor"), false, m_editor_window);
-m_documentation_action = construct_window_menu_item
-(window_menu, tr ("Documentation"), false, m_doc_browser_window);
-m_variable_editor_action = construct_window_menu_item
-(window_menu, tr ("Variable Editor"), false, m_variable_editor_window);
-window_menu->addSeparator ();
-m_previous_dock_action = add_action (window_menu, QIcon (),
-tr ("Previous Widget"), SLOT (go_to_previous_widget (void)));
-window_menu->addSeparator ();
-m_reset_windows_action = add_action (window_menu, QIcon (),
-tr ("Reset Default Window Layout"), SLOT (reset_windows (void)));
-}
-void main_window::construct_help_menu (QMenuBar *p)
-{
-QMenu *help_menu = m_add_menu (p, tr ("&Help"));
-construct_documentation_menu (help_menu);
-help_menu->addSeparator ();
-m_report_bug_action = add_action (help_menu, QIcon (),
-tr ("Report Bug"), SLOT (open_bug_tracker_page ()));
-m_octave_packages_action = add_action (help_menu, QIcon (),
-tr ("Octave Packages"), SLOT (open_octave_packages_page ()));
-m_contribute_action = add_action (help_menu, QIcon (),
-tr ("Contribute"), SLOT (open_contribute_page ()));
-m_developer_action = add_action (help_menu, QIcon (),
-tr ("Donate to Octave"), SLOT (open_donate_page ()));
-help_menu->addSeparator ();
-m_about_octave_action = add_action (help_menu, QIcon (),
-tr ("About Octave"), SLOT (show_about_octave ()));
-}
-void main_window::construct_documentation_menu (QMenu *p)
-{
-QMenu *doc_menu = p->addMenu (tr ("Documentation"));
-m_ondisk_doc_action = add_action (doc_menu, QIcon (),
-tr ("On Disk"), SLOT (activate ()), m_doc_browser_window);
-m_online_doc_action = add_action (doc_menu, QIcon (),
-tr ("Online"), SLOT (open_online_documentation_page ()));
-}
-void main_window::construct_news_menu (QMenuBar *p)
-{
-QMenu *news_menu = m_add_menu (p, tr ("&News"));
-m_release_notes_action
-= news_menu->addAction (QIcon (), tr ("Release Notes"),
-[=] () {
-emit show_release_notes_signal ();
-});
-addAction (m_release_notes_action);
-m_release_notes_action->setShortcutContext (Qt::ApplicationShortcut);
-m_current_news_action
-= news_menu->addAction (QIcon (), tr ("Community News"),
-[=] () {
-emit show_community_news_signal (-1);
-});
-addAction (m_current_news_action);
-m_current_news_action->setShortcutContext (Qt::ApplicationShortcut);
-}
-void main_window::construct_tool_bar (void)
-{
-m_main_tool_bar = addToolBar (tr ("Toolbar"));
-m_main_tool_bar->setStyleSheet (m_main_tool_bar->styleSheet ()
-+ global_toolbar_style);
-m_main_tool_bar->setObjectName ("MainToolBar");
-m_main_tool_bar->addAction (m_new_script_action);
-m_main_tool_bar->addAction (m_open_action);
-m_main_tool_bar->addSeparator ();
-m_main_tool_bar->addAction (m_copy_action);
-m_main_tool_bar->addAction (m_paste_action);
-m_main_tool_bar->addAction (m_undo_action);
-m_main_tool_bar->addSeparator ();
-m_current_directory_combo_box = new QComboBox (this);
-QFontMetrics fm = m_current_directory_combo_box->fontMetrics ();
-m_current_directory_combo_box->setFixedWidth (48*fm.averageCharWidth ());
-m_current_directory_combo_box->setEditable (true);
-m_current_directory_combo_box->setInsertPolicy (QComboBox::NoInsert);
-m_current_directory_combo_box->setToolTip (tr ("Enter directory name"));
-m_current_directory_combo_box->setMaxVisibleItems (current_directory_max_visible);
-m_current_directory_combo_box->setMaxCount (current_directory_max_count);
-QSizePolicy sizePol (QSizePolicy::Preferred, QSizePolicy::Preferred);
-m_current_directory_combo_box->setSizePolicy (sizePol);
-// addWidget takes ownership of the objects so there is no
-// need to delete these upon destroying this main_window.
-m_main_tool_bar->addWidget (new QLabel (tr ("Current Directory: ")));
-m_main_tool_bar->addWidget (m_current_directory_combo_box);
-resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
-QAction *current_dir_up
-= m_main_tool_bar->addAction (rmgr.icon ("folder-up", false, "go-up"),
-tr ("One directory up"));
-QAction *current_dir_search
-= m_main_tool_bar->addAction (rmgr.icon ("folder"),
-tr ("Browse directories"));
-connect (m_current_directory_combo_box, SIGNAL (activated (const QString&)),
-this, SLOT (set_current_working_directory (const QString&)));
-connect (m_current_directory_combo_box->lineEdit (),
-&QLineEdit::returnPressed,
-this, &main_window::accept_directory_line_edit);
-connect (current_dir_search, &QAction::triggered,
-this, &main_window::browse_for_directory);
-connect (current_dir_up, &QAction::triggered,
-this, &main_window::change_directory_up);
-connect (m_undo_action, &QAction::triggered,
-this, &main_window::handle_undo_request);
-}
-void main_window::focus_console_after_command (void)
-{
-resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
-gui_settings *settings = rmgr.get_settings ();
-if (settings->value (cs_focus_cmd).toBool ())
-focus_command_window ();
-}
-void main_window::configure_shortcuts (void)
-{
-bool enable
-= ! ((m_active_dock == m_command_window) && m_prevent_readline_conflicts);
-shortcut_manager& scmgr = m_octave_qobj.get_shortcut_manager ();
-// file menu
-scmgr.set_shortcut (m_open_action, sc_main_file_open_file, enable);
-scmgr.set_shortcut (m_new_script_action, sc_main_file_new_file, enable);
-scmgr.set_shortcut (m_new_function_action, sc_main_file_new_function, enable);
-scmgr.set_shortcut (m_new_figure_action, sc_main_file_new_figure, enable);
-scmgr.set_shortcut (m_load_workspace_action, sc_main_file_load_workspace, enable);
-scmgr.set_shortcut (m_save_workspace_action, sc_main_file_save_workspace, enable);
-scmgr.set_shortcut (m_exit_action, sc_main_file_exit, enable);
-// edit menu
-scmgr.set_shortcut (m_copy_action, sc_main_edit_copy, enable);
-scmgr.set_shortcut (m_paste_action, sc_main_edit_paste, enable);
-scmgr.set_shortcut (m_undo_action, sc_main_edit_undo, enable);
-scmgr.set_shortcut (m_select_all_action, sc_main_edit_select_all, enable);
-scmgr.set_shortcut (m_clear_clipboard_action, sc_main_edit_clear_clipboard, enable);
-scmgr.set_shortcut (m_find_files_action, sc_main_edit_find_in_files, enable);
-scmgr.set_shortcut (m_clear_command_history_action, sc_main_edit_clear_history, enable);
-scmgr.set_shortcut (m_clear_command_window_action, sc_main_edit_clear_command_window, enable);
-scmgr.set_shortcut (m_clear_workspace_action, sc_main_edit_clear_workspace, enable);
-scmgr.set_shortcut (m_set_path_action, sc_main_edit_set_path, enable);
-scmgr.set_shortcut (m_preferences_action, sc_main_edit_preferences, enable);
-// debug menu
-scmgr.set_shortcut (m_debug_step_over, sc_main_debug_step_over, enable);
-scmgr.set_shortcut (m_debug_step_into, sc_main_debug_step_into, enable);
-scmgr.set_shortcut (m_debug_step_out, sc_main_debug_step_out, enable);
-scmgr.set_shortcut (m_debug_continue, sc_main_debug_continue, enable);
-scmgr.set_shortcut (m_debug_quit, sc_main_debug_quit, enable);
-// tools menu
-scmgr.set_shortcut (m_profiler_start, sc_main_tools_start_profiler, enable);
-scmgr.set_shortcut (m_profiler_resume, sc_main_tools_resume_profiler, enable);
-scmgr.set_shortcut (m_profiler_stop, sc_main_tools_start_profiler, enable); // same, toggling
-scmgr.set_shortcut (m_profiler_show, sc_main_tools_show_profiler, enable);
-// window menu
-scmgr.set_shortcut (m_show_command_window_action, sc_main_window_show_command, enable);
-scmgr.set_shortcut (m_show_history_action, sc_main_window_show_history, enable);
-scmgr.set_shortcut (m_show_workspace_action, sc_main_window_show_workspace, enable);
-scmgr.set_shortcut (m_show_file_browser_action, sc_main_window_show_file_browser, enable);
-scmgr.set_shortcut (m_show_editor_action, sc_main_window_show_editor, enable);
-scmgr.set_shortcut (m_show_documentation_action, sc_main_window_show_doc, enable);
-scmgr.set_shortcut (m_show_variable_editor_action, sc_main_window_show_variable_editor, enable);
-scmgr.set_shortcut (m_reset_windows_action, sc_main_window_reset, enable);
-scmgr.set_shortcut (m_command_window_action, sc_main_window_command, enable);
-// Switching to the other widgets (including the previous one) is always enabled
-scmgr.set_shortcut (m_history_action, sc_main_window_history, true);
-scmgr.set_shortcut (m_workspace_action, sc_main_window_workspace, true);
-scmgr.set_shortcut (m_file_browser_action, sc_main_window_file_browser, true);
-scmgr.set_shortcut (m_editor_action, sc_main_window_editor, true);
-scmgr.set_shortcut (m_documentation_action, sc_main_window_doc, true);
-scmgr.set_shortcut (m_variable_editor_action, sc_main_window_variable_editor, true);
-scmgr.set_shortcut (m_previous_dock_action, sc_main_window_previous_dock, true);
-// help menu
-scmgr.set_shortcut (m_ondisk_doc_action, sc_main_help_ondisk_doc, enable);
-scmgr.set_shortcut (m_online_doc_action, sc_main_help_online_doc, enable);
-scmgr.set_shortcut (m_report_bug_action, sc_main_help_report_bug, enable);
-scmgr.set_shortcut (m_octave_packages_action, sc_main_help_packages, enable);
-scmgr.set_shortcut (m_contribute_action, sc_main_help_contribute, enable);
-scmgr.set_shortcut (m_developer_action, sc_main_help_developer, enable);
-scmgr.set_shortcut (m_about_octave_action, sc_main_help_about, enable);
-// news menu
-scmgr.set_shortcut (m_release_notes_action, sc_main_news_release_notes, enable);
-scmgr.set_shortcut (m_current_news_action, sc_main_news_community_news, enable);
-}
-QList<octave_dock_widget *> main_window::dock_widget_list (void)
-{
-QList<octave_dock_widget *> list = QList<octave_dock_widget *> ();
-list.append (static_cast<octave_dock_widget *> (m_command_window));
-list.append (static_cast<octave_dock_widget *> (m_history_window));
-list.append (static_cast<octave_dock_widget *> (m_file_browser_window));
-list.append (static_cast<octave_dock_widget *> (m_doc_browser_window));
-#if defined (HAVE_QSCINTILLA)
-list.append (static_cast<octave_dock_widget *> (m_editor_window));
-#endif
-list.append (static_cast<octave_dock_widget *> (m_workspace_window));
-list.append (static_cast<octave_dock_widget *> (m_variable_editor_window));
-return list;
-}
-void main_window::update_default_encoding (const QString& default_encoding)
-{
-m_default_encoding = default_encoding;
-std::string mfile_encoding = m_default_encoding.toStdString ();
-if (m_default_encoding.startsWith ("SYSTEM", Qt::CaseInsensitive))
-mfile_encoding = "SYSTEM";
-emit interpreter_event
-([=] (interpreter& interp)
-{
-// INTERPRETER THREAD
-F__mfile_encoding__ (interp, ovl (mfile_encoding));
-});
-}
-void main_window::resize_dock (QDockWidget *dw, int width, int height)
-{
-#if defined (HAVE_QMAINWINDOW_RESIZEDOCKS)
-// resizeDockWidget was added to Qt in Qt 5.6
-if (width >= 0)
-resizeDocks ({dw}, {width}, Qt::Horizontal);
-if (height >= 0)
-resizeDocks ({dw}, {height}, Qt::Vertical);
-#else
-// This replacement of resizeDockWidget is not very reliable.
-// But even if Qt4 is not yet
-QSize s = dw->widget ()->size ();
-if (width >= 0)
-s.setWidth (width);
-if (height >= 0)
-s.setHeight (height);
-dw->widget ()->resize (s);
-dw->adjustSize ();
-#endif
-}
-// The default main window size relative to the desktop size
-void main_window::set_default_geometry ()
-{
-int win_x, win_y;
-get_screen_geometry (win_x, win_y);
-move (0, 0);
-resize (2*win_x/3, 7*win_y/8);
-}
-void main_window::reset_windows (void)
-{
-// Slot for resetting the window layout to the default one
-hide ();
-showNormal ();              // Unmaximize
-do_reset_windows (true, true, true);   // Add all widgets
-// Re-add after giving time: This seems to be a reliable way to
-// reset the main window's layout
-// JWE says: The following also works for me with 0 delay, so I
-// think the problem might just be that the event loop needs to run
-// somewhere in the sequence of resizing and adding widgets.  Maybe
-// some actions in do_reset_windows should be using signal/slot
-// connections so that the event loop can do what it needs to do.
-// But I haven't been able to find the magic sequence.
-QTimer::singleShot (250, this, [=] () { do_reset_windows (true, true, true); });
-}
-// Create the default layout of the main window. Do not use
-// restoreState () and restoreGeometry () with default values since
-// this might lead to problems when the Qt version changes
-void main_window::do_reset_windows (bool show, bool save, bool force_all)
-{
-// Set main window default geometry and store its width for
-// later resizing the command window
-set_default_geometry ();
-int win_x = geometry ().width ();
-// Resize command window (if docked),
-//the important one in the default layout
-if (dockWidgetArea (m_command_window) != Qt::NoDockWidgetArea)
-resize_dock (m_command_window, 7*win_x/8, -1);
-// See Octave bug #53409 and https://bugreports.qt.io/browse/QTBUG-55357
-#if (QT_VERSION < 0x050601) || (QT_VERSION >= 0x050701)
-setDockOptions (QMainWindow::AnimatedDocks
-| QMainWindow::AllowNestedDocks
-| QMainWindow::AllowTabbedDocks);
-#else
-setDockNestingEnabled (true);
-#endif
-// Add the dock widgets and show them
-if (! m_file_browser_window->adopted () || force_all)
-{
-// FIXME: Maybe there should be a main_window::add_dock_widget
-// function that combines both of these actions?
-addDockWidget (Qt::LeftDockWidgetArea, m_file_browser_window);
-m_file_browser_window->set_adopted (false);
-}
-if (! m_workspace_window->adopted () || force_all)
-{
-addDockWidget (Qt::LeftDockWidgetArea, m_workspace_window);
-m_workspace_window->set_adopted (false);
-}
-if (! m_history_window->adopted () || force_all)
-{
-addDockWidget (Qt::LeftDockWidgetArea, m_history_window);
-m_history_window->set_adopted (false);
-}
-if (! m_command_window->adopted () || force_all)
-{
-addDockWidget (Qt::RightDockWidgetArea, m_command_window);
-m_command_window->set_adopted (false);
-}
-if (! m_doc_browser_window->adopted () || force_all)
-{
-addDockWidget (Qt::RightDockWidgetArea, m_doc_browser_window);
-tabifyDockWidget (m_command_window, m_doc_browser_window);
-m_doc_browser_window->set_adopted (false);
-}
-if (! m_variable_editor_window->adopted () || force_all)
-{
-addDockWidget (Qt::RightDockWidgetArea, m_variable_editor_window);
-tabifyDockWidget (m_command_window, m_variable_editor_window);
-m_variable_editor_window->set_adopted (false);
-}
-#if defined (HAVE_QSCINTILLA)
-addDockWidget (Qt::RightDockWidgetArea, m_editor_window);
-tabifyDockWidget (m_command_window, m_editor_window);
-#endif
-// Resize command window, the important one in the default layout
-resize_dock (m_command_window, 2*win_x/3, -1);
-// Show main wibdow, save state and geometry of main window and
-// all dock widgets
-if (show)
-{
-// Show all dock widgets
-for (auto *widget : dock_widget_list ())
-widget->show ();
-// Show main window and store size and state
-showNormal ();
-if (save)
-{
-resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
-gui_settings *settings = rmgr.get_settings ();
-settings->setValue (mw_geometry.key, saveGeometry ());
-settings->setValue (mw_state.key, saveState ());
-}
-focus_command_window ();
-}
-}
 OCTAVE_END_NAMESPACE(octave)

Mercurial > octave

comparison libgui/src/main-window.cc @ 31648:29d734430e5f stable