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Diffstat (limited to 'dggui/eventhandler.h')
-rw-r--r-- | dggui/eventhandler.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/dggui/eventhandler.h b/dggui/eventhandler.h new file mode 100644 index 0000000..8d6f492 --- /dev/null +++ b/dggui/eventhandler.h @@ -0,0 +1,78 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + * eventhandler.h + * + * Sun Oct 9 18:58:29 CEST 2011 + * Copyright 2011 Bent Bisballe Nyeng + * deva@aasimon.org + ****************************************************************************/ + +/* + * This file is part of DrumGizmo. + * + * DrumGizmo is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * DrumGizmo 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 Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with DrumGizmo; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#pragma once + +#include <notifier.h> +#include <memory> +#include <queue> +#include <list> + +#include "guievent.h" +#include "nativewindow.h" + +namespace GUI +{ + +class Window; +class Dialog; + +class EventHandler +{ +public: + EventHandler(NativeWindow& nativeWindow, Window& window); + + //! Process all events currently in the event queue. + void processEvents(); + + //! Query if any events are currently in the event queue. + bool hasEvent(); + + //! Query if the topmost event in the event queue is of type. + bool queryNextEventType(EventType type); + + //! Get a single event from the event queue. + //! \return A pointer to the event or nullptr if there are none. + std::shared_ptr<Event> getNextEvent(); + + void registerDialog(Dialog* dialog); + void unregisterDialog(Dialog* dialog); + + Notifier<> closeNotifier; + +private: + Window& window; + NativeWindow& nativeWindow; + + // Used to ignore mouse button release after a double click. + bool lastWasDoubleClick; + + EventQueue events; + + std::list<Dialog*> dialogs; +}; + +} // GUI:: |