X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fevent.h;fp=source%2Fevent.h;h=091d637814d57e3999885e29952fcab7d843e9ca;hp=0000000000000000000000000000000000000000;hb=1013e3c216cdf8e0ecc0f3b1e8314989b5333818;hpb=5780f0826f057f99593de46a583be7c098efaf90

diff --git a/source/event.h b/source/event.h
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index 0000000..091d637
--- /dev/null
+++ b/source/event.h
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+/*
+This file is part of libmspframework
+Copyright © 2006 Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+#ifndef MSP_FRAMEWORK_EVENT_H_
+#define MSP_FRAMEWORK_EVENT_H_
+
+#include <sigc++/sigc++.h>
+#include "pollable.h"
+
+namespace Msp {
+
+class Application;
+
+/**
+Events can be used in multi-threaded applictions to trigger actions in the main
+thread.
+*/
+class EventManager
+{
+public:
+	class Event
+	{
+	public:
+		sigc::signal<void> signal_triggered;
+
+		Event(EventManager &m, unsigned i): mgr(m), id(i) { }
+		unsigned get_id() const { return id; }
+		void trigger();
+	private:
+		EventManager &mgr;
+		unsigned id;
+	};
+
+	EventManager(Application &);
+	Event &create_event();
+private:
+	class Pipe: public Pollable
+	{
+	public:
+		Pipe();
+		int write(char *, unsigned);
+		int read(char *, unsigned);
+	private:
+		int fd[2];
+	
+		int get_fd() { return fd[0]; }
+	};
+
+	Application &app;
+	Pipe        pipe;
+	unsigned    next_id;
+	std::list<Event> events;
+
+	void data_available(short);
+};
+
+} // namespace Msp
+
+#endif