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authorBent Bisballe Nyeng <deva@aasimon.org>2020-12-29 16:09:43 +0100
committerBent Bisballe Nyeng <deva@aasimon.org>2020-12-29 16:39:54 +0100
commit645250e1cd8ce9bc1faea599df7a1b05836bfeb8 (patch)
treec6311afab3900d2dd2aecbfbe1ac348d0e48c428 /dggui/eventhandler.h
parentdce64999d3325c5b55499d6ba657066efa48fbff (diff)
Split UI code into application/plugin UI and UI library.
Diffstat (limited to 'dggui/eventhandler.h')
-rw-r--r--dggui/eventhandler.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/dggui/eventhandler.h b/dggui/eventhandler.h
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+/* -*- 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::