From: divverent <divverent@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Tue, 2 Aug 2011 18:58:57 +0000 (+0000)
Subject: add a helper function to release all keys "properly"
X-Git-Tag: xonotic-v0.5.0~58
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=c64a926edfcfa4cdcf629d63e843e5708354e050;p=xonotic%2Fdarkplaces.git

add a helper function to release all keys "properly"

(not used yet)

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@11263 d7cf8633-e32d-0410-b094-e92efae38249
::stable-branch::merge=137357d6b7e13e7b2d4bbaeb719dfd4f218a1e5e
---

diff --git a/keys.c b/keys.c
index ea6e2d59..817ce92d 100644
--- a/keys.c
+++ b/keys.c
@@ -1959,6 +1959,21 @@ Key_Event (int key, int ascii, qboolean down)
 	}
 }
 
+// a helper to simulate release of ALL keys
+void
+Key_ReleaseAll (void)
+{
+	int key;
+	// clear the event queue first
+	eventqueue_idx = 0;
+	// then send all down events (possibly into the event queue)
+	for(key = 0; key < MAX_KEYS; ++key)
+		if(keydown[key])
+			Key_Event(key, 0, false);
+	// now all keys are guaranteed down (once the event queue is unblocked)
+	// and only future events count
+}
+
 /*
 ===================
 Key_ClearStates
diff --git a/keys.h b/keys.h
index c2587aed..e471a235 100644
--- a/keys.h
+++ b/keys.h
@@ -377,7 +377,8 @@ void Key_Init(void);
 void Key_Shutdown(void);
 void Key_Init_Cvars(void);
 void Key_Event(int key, int ascii, qboolean down);
-void Key_ClearStates (void);
+void Key_ReleaseAll (void);
+void Key_ClearStates (void); // FIXME: should this function still exist? Or should Key_ReleaseAll be used instead when shutting down a vid driver?
 void Key_EventQueue_Block(void);
 void Key_EventQueue_Unblock(void);