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Diffstat (limited to 'Source/DirectFB/wm/unique/devices/wheel.c')
| -rwxr-xr-x | Source/DirectFB/wm/unique/devices/wheel.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/Source/DirectFB/wm/unique/devices/wheel.c b/Source/DirectFB/wm/unique/devices/wheel.c new file mode 100755 index 0000000..3328d8f --- /dev/null +++ b/Source/DirectFB/wm/unique/devices/wheel.c @@ -0,0 +1,182 @@ +/* + (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 +}; + |