X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Fevent.h;fp=source%2Fcore%2Fevent.h;h=091d637814d57e3999885e29952fcab7d843e9ca;hb=e1ea831a640fba534e7e42e399f04cdf681ef8d3;hp=0000000000000000000000000000000000000000;hpb=0bcb8d4d6f33cbdad7b921cac787740bfe8e212e;p=libs%2Fcore.git

diff --git a/source/core/event.h b/source/core/event.h
new file mode 100644
index 0000000..091d637
--- /dev/null
+++ b/source/core/event.h
@@ -0,0 +1,61 @@
+/*
+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