Mercurial > hg > octave-shane
changeset 16731:01d523d5f796
add help for word at mouse or text cursor to the editors context menu
* octave-qscintilla.h: new class derived from qsciscintilla to get acces to the
editors context menu
* octave-qscxintilla.cc(contextMenuEvent): create standard context menu
and add entry for calling help on current word at cursor
(contextmenu_help): handler for the new menu entry
* libgui/src/module.mk: add new files octave_qscintilla.cc/.h
* file-editor-tab.cc(constructor): _edit_area is of class octave_qscintilla,
connect the signal of this class for command execution
(execute_command_in_terminal): slot for signal connected in contructor
* file-editor-tab.h: new slot for executing a command in terminal, _edit_area
is of new class octave_qscintilla
author | Torsten <ttl@justmail.de> |
---|---|
date | Fri, 07 Jun 2013 23:13:48 +0200 |
parents | 4da837c4902f |
children | 3806afcf974a |
files | libgui/src/m-editor/file-editor-tab.cc libgui/src/m-editor/file-editor-tab.h libgui/src/m-editor/file-editor.cc libgui/src/m-editor/octave-qscintilla.cc libgui/src/m-editor/octave-qscintilla.h libgui/src/module.mk |
diffstat | 6 files changed, 168 insertions(+), 4 deletions(-) [+] |
line wrap: on
line diff
--- a/libgui/src/m-editor/file-editor-tab.cc +++ b/libgui/src/m-editor/file-editor-tab.cc @@ -70,7 +70,14 @@ _file_name = directory; - _edit_area = new QsciScintilla (this); + _edit_area = new octave_qscintilla (this); + // Connect signal for command execution to a slot of this tab which in turn + // emits a signal connected to the main window. + // Direct connection is not possible because tab's parent is null. + connect (_edit_area, + SIGNAL (execute_command_in_terminal_signal (const QString&)), + this, + SLOT (execute_command_in_terminal (const QString&))); // Leave the find dialog box out of memory until requested. _find_dialog = 0; @@ -162,6 +169,12 @@ } void +file_editor_tab::execute_command_in_terminal (const QString& command) +{ + emit execute_command_in_terminal_signal (command); // connected to main window +} + +void file_editor_tab::set_file_name (const QString& fileName) { // update tracked file if we really have a file on disk
--- a/libgui/src/m-editor/file-editor-tab.h +++ b/libgui/src/m-editor/file-editor-tab.h @@ -28,10 +28,10 @@ #include <QFileSystemWatcher> #include <QSettings> #include <QFileInfo> -#include <Qsci/qsciscintilla.h> #include <Qsci/qsciapis.h> #include "find-dialog.h" +#include "octave-qscintilla.h" class file_editor; @@ -103,6 +103,8 @@ void file_has_changed (const QString& fileName); + void execute_command_in_terminal (const QString& command); + signals: void file_name_changed (const QString& fileName, const QString& toolTip); @@ -113,6 +115,7 @@ void editor_check_conflict_save (const QString& saveFileName, bool remove_on_success); void run_file_signal (const QFileInfo& info); + void execute_command_in_terminal_signal (const QString&); protected: @@ -183,7 +186,7 @@ void remove_all_breakpoints_callback (const bp_info& info); void center_current_line (); - QsciScintilla *_edit_area; + octave_qscintilla *_edit_area; QString _file_name; QString _file_name_short;
--- a/libgui/src/m-editor/file-editor.cc +++ b/libgui/src/m-editor/file-editor.cc @@ -1082,6 +1082,9 @@ connect (f, SIGNAL (run_file_signal (const QFileInfo&)), parent (), SLOT (run_file_in_terminal (const QFileInfo&))); + connect (f, SIGNAL (execute_command_in_terminal_signal (const QString&)), + parent (), SLOT (execute_command_in_terminal (const QString&))); + // Signals from the file_editor non-trivial operations connect (this, SIGNAL (fetab_settings_changed (const QSettings *)), f, SLOT (notice_settings (const QSettings *)));
new file mode 100644 --- /dev/null +++ b/libgui/src/m-editor/octave-qscintilla.cc @@ -0,0 +1,87 @@ +/* + +Copyright (C) 2013 Torsten <ttl@justmail.de> + +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/>. + +*/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#ifdef HAVE_QSCINTILLA + +#include "octave-qscintilla.h" +#include "file-editor-tab.h" + +octave_qscintilla::octave_qscintilla (QWidget *p) + : QsciScintilla (p) +{ } + +octave_qscintilla::~octave_qscintilla () +{ } + + +// context menu requested +void +octave_qscintilla::contextMenuEvent (QContextMenuEvent *e) +{ + QMenu *context_menu = createStandardContextMenu ( ); // standard menu + + context_menu->addSeparator (); // separator before custom entries + + // help menu: get the position of the mouse or the text cursor + _word_at_cursor = ""; + QPoint global_pos = e->globalPos (); // global mouse position + + if (e->reason () == QContextMenuEvent::Mouse) // context menu by mouse + _word_at_cursor = wordAtPoint (e->pos ()); + else + { // context menu by keyboard or other: get point of text cursor + long position = SendScintilla (QsciScintillaBase::SCI_GETCURRENTPOS); + long point_x = SendScintilla + (QsciScintillaBase::SCI_POINTXFROMPOSITION,0,position); + long point_y = SendScintilla + (QsciScintillaBase::SCI_POINTYFROMPOSITION,0,position); + QPoint local_pos = QPoint (point_x,point_y); // local position of cursor + global_pos = mapToGlobal (local_pos); // global position of cursor + QRect editor_rect = geometry (); // get editor rect and map to global + editor_rect.moveTopLeft(parentWidget()->mapToGlobal(editor_rect.topLeft())); + if (editor_rect.contains (global_pos)) // is cursor within editor? + _word_at_cursor = wordAtPoint (local_pos); + else + global_pos = editor_rect.topLeft (); + } + // finally create the menu entry if a word at cursor was found + if (!_word_at_cursor.isEmpty ()) + context_menu->addAction (tr ("help") + " " + _word_at_cursor, + this, SLOT (contextmenu_help (bool))); + + context_menu->exec (global_pos); +} + + +// handle the menu entry for calling help +void +octave_qscintilla::contextmenu_help (bool) +{ + QString command = "help " + _word_at_cursor; + emit execute_command_in_terminal_signal (command); +} + +#endif
new file mode 100644 --- /dev/null +++ b/libgui/src/m-editor/octave-qscintilla.h @@ -0,0 +1,55 @@ +/* + +Copyright (C) 2013 Torsten <ttl@justmail.de> + +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/>. + +*/ + +#if !defined (octave_qscintilla_h) +#define octave_qscintilla_h 1 + +#include <Qsci/qsciscintilla.h> +#include <QMenu> +#include <QContextMenuEvent> + +class octave_qscintilla : public QsciScintilla +{ + Q_OBJECT + +public: + + octave_qscintilla (QWidget *p); + ~octave_qscintilla (); + + virtual void contextMenuEvent (QContextMenuEvent *e); + +signals: + + void execute_command_in_terminal_signal (const QString&); + +private slots: + + void contextmenu_help (bool); + +private: + + QString _word_at_cursor; + +}; + +#endif
--- a/libgui/src/module.mk +++ b/libgui/src/module.mk @@ -69,7 +69,8 @@ src/m-editor/moc-file-editor-interface.cc \ src/m-editor/moc-file-editor-tab.cc \ src/m-editor/moc-file-editor.cc \ - src/m-editor/moc-find-dialog.cc + src/m-editor/moc-find-dialog.cc \ + src/m-editor/moc-octave-qscintilla.cc endif octave_gui_MOC += \ @@ -110,6 +111,7 @@ src/m-editor/file-editor-tab.h \ src/m-editor/file-editor.h \ src/m-editor/find-dialog.h \ + src/m-editor/octave-qscintilla.h \ src/main-window.h \ src/octave-gui.h \ src/octave-main-thread.h \ @@ -134,6 +136,7 @@ src/m-editor/file-editor-tab.cc \ src/m-editor/file-editor.cc \ src/m-editor/find-dialog.cc \ + src/m-editor/octave-qscintilla.cc \ src/main-window.cc \ src/octave-gui.cc \ src/octave-main-thread.cc \