more input system stuff

2 files changed, 19 insertions, 3 deletions

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
@@ -42,2 +42,7 @@ using namespace Opie::Core;
 #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))) )
 
@@ -142 +147,11 @@ QString OInputDevice::uniq() const
 
+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 );
+}
+
diff --git a/libopie2/opiecore/oinputsystem.h b/libopie2/opiecore/oinputsystem.h
index 350656b..4d913a1 100644
--- a/libopie2/opiecore/oinputsystem.h
+++ b/libopie2/opiecore/oinputsystem.h
@@ -95,6 +95,6 @@ class OInputDevice : public QObject
     
-    enum EventType
+    enum Feature
     {
         Synchronous     = EV_SYN,
-        Keyboard        = EV_KEY,
+        Keys            = EV_KEY,
         Relative        = EV_REL,
@@ -102,3 +102,3 @@ class OInputDevice : public QObject
         Miscellaneous   = EV_MSC,
-        Led             = EV_LED,
+        Leds            = EV_LED,
         Sound           = EV_SND,
@@ -136,2 +136,3 @@ class OInputDevice : public QObject
     QString uniq() const;
+    bool    hasFeature( Feature ) const;