Mercurial > octave
view libgui/graphics/ContextMenu.cc @ 27317:718116e9c7d3
rename Backend to qt_graphics_toolkit
* qt-graphics-toolkit.h, qt-graphics-toolkit.cc: Rename from Backend.h
and Backend.cc. Change all uses.
(class qt_graphics_toolkit): Rename from Backend. Change all uses.
* libgui/graphics/module.mk: Update.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Fri, 02 Aug 2019 12:18:48 -0500 |
parents | 00f796120a6d |
children | 6b2d20317b26 |
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/* Copyright (C) 2011-2019 Michael Goffioul 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 <https://www.gnu.org/licenses/>. */ #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include <QMenu> #include "ContextMenu.h" #include "QtHandlesUtils.h" #include "qt-graphics-toolkit.h" namespace QtHandles { ContextMenu* ContextMenu::create (const graphics_object& go) { Object *xparent = Object::parentObject (go); if (xparent) { QWidget *w = xparent->qWidget<QWidget> (); return new ContextMenu (go, new QMenu (w)); } return nullptr; } ContextMenu::ContextMenu (const graphics_object& go, QMenu *xmenu) : Object (go, xmenu) { xmenu->setAutoFillBackground (true); connect (xmenu, SIGNAL (aboutToShow (void)), SLOT (aboutToShow (void))); connect (xmenu, SIGNAL (aboutToHide (void)), SLOT (aboutToHide (void))); } ContextMenu::~ContextMenu (void) { } void ContextMenu::update (int pId) { uicontextmenu::properties& up = properties<uicontextmenu> (); QMenu *xmenu = qWidget<QMenu> (); switch (pId) { case base_properties::ID_VISIBLE: if (up.is_visible ()) { Matrix pos = up.get_position ().matrix_value (); QWidget *parentW = xmenu->parentWidget (); QPoint pt; pt.rx () = octave::math::round (pos(0)); pt.ry () = parentW->height () - octave::math::round (pos(1)); pt = parentW->mapToGlobal (pt); xmenu->popup (pt); } else xmenu->hide (); break; default: Object::update (pId); break; } } void ContextMenu::aboutToShow (void) { gh_manager::post_callback (m_handle, "callback"); gh_manager::post_set (m_handle, "visible", "on", false); } void ContextMenu::aboutToHide (void) { gh_manager::post_set (m_handle, "visible", "off", false); } QWidget* ContextMenu::menu (void) { return qWidget<QWidget> (); } void ContextMenu::executeAt (const base_properties& props, const QPoint& pt) { graphics_handle h = props.get_uicontextmenu (); if (h.ok ()) { gh_manager::auto_lock lock; graphics_object go = gh_manager::get_object (h); if (go.valid_object ()) { ContextMenu *cMenu = dynamic_cast<ContextMenu *> (qt_graphics_toolkit::toolkitObject (go)); if (cMenu) { QMenu *menu = cMenu->qWidget<QMenu> (); if (menu) menu->popup (pt); } } } } }