Mercurial > octave
view libgui/graphics/GenericEventNotify.h @ 31621:0645ea65ca6b
handle icons and themes in gui_settings class, not resource_manager
* resource-manager.h, resource-manager.cc
(resource_manager::config_icon_theme, resource_manager::icon):
Move funtcions to gui-settings.h and gui-settings.cc.
* Canvas.cc, QTerminal.cc, documentation-bookmarks.cc,
documentation.cc, dw-main-window.cc, files-dock-widget.cc,
find-files-dialog.cc, gui-settings.cc, gui-settings.h,
history-dock-widget.cc, file-editor.cc, main-window.cc,
octave-dock-widget.cc, octave-qobject.cc, qt-interpreter-events.cc,
resource-manager.cc, resource-manager.h, variable-editor.cc:
Change all uses.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Fri, 02 Dec 2022 18:43:12 -0500 |
parents | 796f54d4ddbf |
children | c6d54dd31a7e |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 2011-2022 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // 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 (octave_GenericEventNotify_h) #define octave_GenericEventNotify_h 1 #include <QSet> class QEvent; class QObject; class QWidget; namespace octave { class GenericEventNotifyReceiver; class GenericEventNotifySender { public: GenericEventNotifySender (void) : m_receivers () { } virtual ~GenericEventNotifySender (void) = default; void addReceiver (GenericEventNotifyReceiver *r) { m_receivers.insert (r); } void removeReceiver (GenericEventNotifyReceiver *r) { m_receivers.remove (r); } protected: bool notifyReceiversBefore (QObject *obj, QEvent *evt); void notifyReceiversAfter (QObject *obj, QEvent *evt); private: QSet<GenericEventNotifyReceiver *> m_receivers; }; class GenericEventNotifyReceiver { public: GenericEventNotifyReceiver (void) { } virtual ~GenericEventNotifyReceiver (void) = default; virtual bool eventNotifyBefore (QObject *obj, QEvent *evt) = 0; virtual void eventNotifyAfter (QObject *obj, QEvent *evt) = 0; }; inline bool GenericEventNotifySender::notifyReceiversBefore (QObject *obj, QEvent *evt) { for (auto *r : m_receivers) if (r->eventNotifyBefore (obj, evt)) return true; return false; } inline void GenericEventNotifySender::notifyReceiversAfter (QObject *obj, QEvent *evt) { for (auto *r : m_receivers) r->eventNotifyAfter (obj, evt); } #define DECLARE_GENERICEVENTNOTIFY_SENDER(T,B) \ class T : public B, public GenericEventNotifySender \ { \ public: \ T (QWidget *xparent) : B (xparent), GenericEventNotifySender () { } \ ~ T (void) = default; \ \ bool event (QEvent *evt) \ { \ bool result = true; \ if (! notifyReceiversBefore (this, evt)) \ result = B::event (evt); \ notifyReceiversAfter (this, evt); \ return result; \ } \ } }; #endif