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/*
(c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org)
(c) Copyright 2000-2004 Convergence (integrated media) GmbH
All rights reserved.
Written by Denis Oliver Kropp <dok@directfb.org>,
Andreas Hundt <andi@fischlustig.de>,
Sven Neumann <neo@directfb.org>,
Ville Syrjälä <syrjala@sci.fi> and
Claudio Ciccani <klan@users.sf.net>.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <directfb.h>
#include <direct/debug.h>
#include <direct/messages.h>
#include <direct/util.h>
#include <core/gfxcard.h>
#include <core/state.h>
#include <misc/util.h>
#include <unique/context.h>
#include <unique/device.h>
#include <unique/internal.h>
D_DEBUG_DOMAIN( UniQuE_Wheel, "UniQuE/Wheel", "UniQuE's Wheel Device Class" );
typedef struct {
int magic;
} WheelData;
/**************************************************************************************************/
static DFBResult
wheel_initialize( UniqueDevice *device,
void *data,
void *ctx )
{
WheelData *wheel = data;
D_MAGIC_ASSERT( device, UniqueDevice );
D_DEBUG_AT( UniQuE_Wheel, "wheel_initialize( %p, %p, %p )\n", device, data, ctx );
D_MAGIC_SET( wheel, WheelData );
return DFB_OK;
}
static void
wheel_shutdown( UniqueDevice *device,
void *data,
void *ctx )
{
WheelData *wheel = data;
D_MAGIC_ASSERT( device, UniqueDevice );
D_MAGIC_ASSERT( wheel, WheelData );
D_DEBUG_AT( UniQuE_Wheel, "wheel_shutdown( %p, %p, %p )\n", device, data, ctx );
D_MAGIC_CLEAR( wheel );
}
static void
wheel_connected( UniqueDevice *device,
void *data,
void *ctx,
CoreInputDevice *source )
{
WheelData *wheel = data;
(void) wheel;
D_MAGIC_ASSERT( device, UniqueDevice );
D_MAGIC_ASSERT( wheel, WheelData );
D_ASSERT( source != NULL );
D_DEBUG_AT( UniQuE_Wheel, "wheel_connected( %p, %p, %p, %p )\n",
device, data, ctx, source );
}
static void
wheel_disconnected( UniqueDevice *device,
void *data,
void *ctx,
CoreInputDevice *source )
{
WheelData *wheel = data;
(void) wheel;
D_MAGIC_ASSERT( device, UniqueDevice );
D_MAGIC_ASSERT( wheel, WheelData );
D_ASSERT( source != NULL );
D_DEBUG_AT( UniQuE_Wheel, "wheel_disconnected( %p, %p, %p, %p )\n",
device, data, ctx, source );
}
static void
wheel_process_event( UniqueDevice *device,
void *data,
void *ctx,
const DFBInputEvent *event )
{
UniqueInputEvent evt;
WheelData *wheel = data;
(void) wheel;
D_MAGIC_ASSERT( device, UniqueDevice );
D_MAGIC_ASSERT( wheel, WheelData );
D_ASSERT( event != NULL );
D_DEBUG_AT( UniQuE_Wheel, "wheel_process_event( %p, %p, %p, %p ) <- type 0x%08x\n",
device, data, ctx, event, event->type );
switch (event->type) {
case DIET_AXISMOTION:
switch (event->axis) {
case DIAI_Z:
evt.type = UIET_WHEEL;
evt.wheel.device_id = event->device_id;
if (event->flags & DIEF_AXISREL)
evt.wheel.value = -event->axisrel;
else if (event->flags & DIEF_AXISABS)
evt.wheel.value = event->axisabs;
else
break;
unique_device_dispatch( device, &evt );
break;
default:
break;
}
break;
default:
break;
}
}
const UniqueDeviceClass unique_wheel_device_class = {
data_size: sizeof(WheelData),
Initialize: wheel_initialize,
Shutdown: wheel_shutdown,
Connected: wheel_connected,
Disconnected: wheel_disconnected,
ProcessEvent: wheel_process_event
};
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