From 8c3f4cebba2eff4475f4bea4638aaca7575722a4 Mon Sep 17 00:00:00 2001
From: Steve Checkoway <stevecheckoway@users.sourceforge.net>
Date: Fri, 8 Sep 2006 04:10:47 +0000
Subject: [PATCH] Allow flushing of queued input events.

---
 stepmania/src/InputFilter.cpp | 10 ++++++++++
 stepmania/src/InputFilter.h   |  1 +
 2 files changed, 11 insertions(+)

diff --git a/stepmania/src/InputFilter.cpp b/stepmania/src/InputFilter.cpp
index de166066d3..4e7a2f2426 100644
--- a/stepmania/src/InputFilter.cpp
+++ b/stepmania/src/InputFilter.cpp
@@ -354,6 +354,16 @@ void InputFilter::GetInputEvents( vector<InputEvent> &array )
 	array.swap( queue );
 }
 
+void InputFilter::FlushInputEvents()
+{
+	/* Calling clear() will delete each InputEvent while holding the lock.
+	 * This way, the LockMutex will be deleted before array which will unlock
+	 * the mutex before deleting each InputEvent. */
+	vector<InputEvent> array;
+	LockMut(*queuemutex);
+	array.swap( queue );
+}
+
 void InputFilter::GetPressedButtons( vector<DeviceInput> &array )
 {
 	LockMut(*queuemutex);
diff --git a/stepmania/src/InputFilter.h b/stepmania/src/InputFilter.h
index bb18a2514c..de35a2673b 100644
--- a/stepmania/src/InputFilter.h
+++ b/stepmania/src/InputFilter.h
@@ -61,6 +61,7 @@ public:
 	RString GetButtonComment( const DeviceInput &di ) const;
 	
 	void GetInputEvents( vector<InputEvent> &aEventOut );
+	void FlushInputEvents();
 	void GetPressedButtons( vector<DeviceInput> &array );
 
 private: