From 8ea35f618c5811b59f4460d0f2198b9818db281e Mon Sep 17 00:00:00 2001
From: mickeyl <mickeyl>
Date: Wed, 02 Feb 2005 16:37:12 +0000
Subject: more input system stuff

---
(limited to 'libopie2/opiecore/oinputsystem.cpp')

diff --git a/libopie2/opiecore/oinputsystem.cpp b/libopie2/opiecore/oinputsystem.cpp
index bfdc31f..fde36c3 100644
--- a/libopie2/opiecore/oinputsystem.cpp
+++ b/libopie2/opiecore/oinputsystem.cpp
@@ -39,7 +39,12 @@ using namespace Opie::Core;
 #include <sys/fcntl.h>
 #include <sys/ioctl.h>
 
-#define BUFSIZE 256
+#define     BUFSIZE 256
+#define     BIT_MASK( name, numbits )                                        \
+    unsigned short  name[ ((numbits) - 1) / (sizeof( short ) * 8) + 1 ];    \
+    memset( name, 0, sizeof( name ) )
+#define     BIT_TEST( bitmask, bit )    \
+    ( bitmask[ (bit) / sizeof(short) / 8 ] & (1u << ( (bit) % (sizeof(short) * 8))) )
 
 /*======================================================================================
  * OInputSystem
@@ -140,3 +145,13 @@ QString OInputDevice::uniq() const
     return buf;
 }
 
+bool OInputDevice::hasFeature( Feature bit ) const
+{
+    BIT_MASK( features, EV_MAX );
+            
+    if( ioctl( _fd, EVIOCGBIT( 0, EV_MAX ), features) < 0 )
+        return false;
+    else
+        return BIT_TEST( features, bit );
+}
+
--
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