Mercurial > octave-nkf
view libgui/src/m-editor/octave-qscintilla.cc @ 18459:f01ac1bb8a5d gui-release
add menu entries and shortcuts for zoom functions in the editor (bug #41516)
* file-editor.cc (zoom_in): slot for zoom-in action, triggering signal for tab;
(zoom_out): slot for zoom-out action, triggering signal for tab;
(zoom_normal): slot for zoom-to-normal action, triggering signal for tab;
(construct): new View-menu with zoom-in, zoom-out and zoom-normal entries;
(add_file_editor_tab): connect zoom-signal to newly created tabs;
(set_shortcuts): set shortcuts for new zoom actions;
(check_actions): disable zoom action when no editor tab is open
* file-editor.h: zoom-in, zoom-out and zoom-normal actions, related slots
and related signals to the actual tab
* file-editor-tab.cc (zoom_in): new slot for signal from file_editor;
(zoom_out): new slot for signal from file_editor;
(zoom_normal): new slot for signal from file_editor
* file-editor-tab.h: new slots zoom_in, zoom_out, zoom_normal
* octave-qscintilla.cc (eventFilter): event filter for overriding qscintilla
internal shortcuts;
(constructor): install event filter
* octave-qscintilla.h: event filter
author | Torsten <ttl@justmail.de> |
---|---|
date | Thu, 13 Feb 2014 20:39:09 +0100 |
parents | 86c6ae5f969e |
children | f959c63934e6 |
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/* Copyright (C) 2013 Torsten This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ // Author: Torsten <ttl@justmail.de> #ifdef HAVE_CONFIG_H #include <config.h> #endif #ifdef HAVE_QSCINTILLA #include <Qsci/qscilexer.h> #include <QShortcut> #include "octave-qscintilla.h" #include "file-editor-tab.h" octave_qscintilla::octave_qscintilla (QWidget *p) : QsciScintilla (p) { installEventFilter (this); } octave_qscintilla::~octave_qscintilla () { } void octave_qscintilla::get_global_textcursor_pos (QPoint *global_pos, QPoint *local_pos) { long position = SendScintilla (QsciScintillaBase::SCI_GETCURRENTPOS); long point_x = SendScintilla (QsciScintillaBase::SCI_POINTXFROMPOSITION,0,position); long point_y = SendScintilla (QsciScintillaBase::SCI_POINTYFROMPOSITION,0,position); *local_pos = QPoint (point_x,point_y); // local cursor position *global_pos = mapToGlobal (*local_pos); // global position of cursor } // determine the actual word and whether we are in an octave or matlab script bool octave_qscintilla::get_actual_word () { QPoint global_pos, local_pos; get_global_textcursor_pos (&global_pos, &local_pos); _word_at_cursor = wordAtPoint (local_pos); QString lexer_name = lexer ()->lexer (); return ((lexer_name == "octave" || lexer_name == "matlab") && !_word_at_cursor.isEmpty ()); } // call documentation or help on the current word void octave_qscintilla::context_help_doc (bool documentation) { if (get_actual_word ()) contextmenu_help_doc (documentation); } // call edit the function related to the current word void octave_qscintilla::context_edit () { if (get_actual_word ()) contextmenu_edit (true); } // call edit the function related to the current word void octave_qscintilla::context_run () { if (hasSelectedText ()) contextmenu_run (true); } #ifdef HAVE_QSCI_VERSION_2_6_0 // context menu requested void octave_qscintilla::contextMenuEvent (QContextMenuEvent *e) { QMenu *context_menu = createStandardContextMenu ( ); // standard menu // the menu's position QPoint global_pos, local_pos; if (e->reason () == QContextMenuEvent::Mouse) { // context menu by mouse global_pos = e->globalPos (); // global mouse position local_pos = e->pos (); // local mouse position } else { // context menu by keyboard or other: get point of text cursor get_global_textcursor_pos (&global_pos, &local_pos); QRect editor_rect = geometry (); // editor rect mapped to global editor_rect.moveTopLeft (parentWidget ()->mapToGlobal (editor_rect.topLeft ())); if (!editor_rect.contains (global_pos)) // is cursor outside editor? global_pos = editor_rect.topLeft (); // yes, take top left corner } // additional custom entries of the context menu context_menu->addSeparator (); // separator before custom entries // help menu: get the position of the mouse or the text cursor // (only for octave files) QString lexer_name = lexer ()->lexer (); if (lexer_name == "octave" || lexer_name == "matlab") { _word_at_cursor = wordAtPoint (local_pos); if (!_word_at_cursor.isEmpty ()) { context_menu->addAction (tr ("Help on") + " " + _word_at_cursor, this, SLOT (contextmenu_help (bool))); context_menu->addAction (tr ("Documentation on") + " " + _word_at_cursor, this, SLOT (contextmenu_doc (bool))); context_menu->addAction (tr ("Edit") + " " + _word_at_cursor, this, SLOT (contextmenu_edit (bool))); } context_menu->addSeparator (); // separator before custom entries if (hasSelectedText ()) context_menu->addAction (tr ("&Run Selection"), this, SLOT (contextmenu_run (bool))); } // finaly show the menu context_menu->exec (global_pos); } #endif // handle the menu entry for calling help or doc void octave_qscintilla::contextmenu_doc (bool) { contextmenu_help_doc (true); } void octave_qscintilla::contextmenu_help (bool) { contextmenu_help_doc (false); } // common function with flag for documentation void octave_qscintilla::contextmenu_help_doc (bool documentation) { QString command; if (documentation) command = "doc "; else command = "help "; emit execute_command_in_terminal_signal (command + _word_at_cursor); } void octave_qscintilla::contextmenu_edit (bool) { emit execute_command_in_terminal_signal (QString("edit ") + _word_at_cursor); } void octave_qscintilla::contextmenu_run (bool) { QStringList commands = selectedText ().split (QRegExp("[\r\n]"), QString::SkipEmptyParts); for (int i = 0; i < commands.size (); i++ ) emit execute_command_in_terminal_signal (commands.at (i)); } bool octave_qscintilla::eventFilter(QObject *obj, QEvent *e) { if (e->type() == QEvent::ShortcutOverride) return true; else return QObject::eventFilter(obj, e); } #endif