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/*
* Copyright (C) 2015 Red Hat
*
* 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, see <http://www.gnu.org/licenses/>.
*
* Authored by:
* Carlos Garnacho <carlosg@gnome.org>
*/
#include "config.h"
#include "backends/native/meta-event-native.h"
#include "backends/native/meta-input-device-native.h"
#include "clutter/clutter-mutter.h"
typedef struct _MetaEventNative MetaEventNative;
struct _MetaEventNative
{
uint32_t evcode;
uint64_t time_usec;
gboolean has_relative_motion;
double dx;
double dy;
double dx_unaccel;
double dy_unaccel;
};
static MetaEventNative *
meta_event_native_new (void)
{
return g_slice_new0 (MetaEventNative);
}
MetaEventNative *
meta_event_native_copy (MetaEventNative *event_evdev)
{
if (event_evdev != NULL)
return g_slice_dup (MetaEventNative, event_evdev);
return NULL;
}
void
meta_event_native_free (MetaEventNative *event_evdev)
{
if (event_evdev != NULL)
g_slice_free (MetaEventNative, event_evdev);
}
static MetaEventNative *
meta_event_native_ensure_platform_data (ClutterEvent *event)
{
MetaEventNative *event_evdev = _clutter_event_get_platform_data (event);
if (!event_evdev)
{
event_evdev = meta_event_native_new ();
_clutter_event_set_platform_data (event, event_evdev);
}
return event_evdev;
}
void
meta_event_native_set_event_code (ClutterEvent *event,
uint32_t evcode)
{
MetaEventNative *event_evdev;
event_evdev = meta_event_native_ensure_platform_data (event);
event_evdev->evcode = evcode;
}
void
meta_event_native_set_time_usec (ClutterEvent *event,
uint64_t time_usec)
{
MetaEventNative *event_evdev;
event_evdev = meta_event_native_ensure_platform_data (event);
event_evdev->time_usec = time_usec;
}
void
meta_event_native_set_relative_motion (ClutterEvent *event,
double dx,
double dy,
double dx_unaccel,
double dy_unaccel)
{
MetaEventNative *event_evdev;
event_evdev = meta_event_native_ensure_platform_data (event);
event_evdev->dx = dx;
event_evdev->dy = dy;
event_evdev->dx_unaccel = dx_unaccel;
event_evdev->dy_unaccel = dy_unaccel;
event_evdev->has_relative_motion = TRUE;
}
/**
* meta_event_native_get_event_code:
* @event: a #ClutterEvent
*
* Returns the event code of the original event. See linux/input.h for more
* information.
*
* Returns: The event code.
**/
uint32_t
meta_event_native_get_event_code (const ClutterEvent *event)
{
MetaEventNative *event_evdev = _clutter_event_get_platform_data (event);
if (event_evdev)
return event_evdev->evcode;
return 0;
}
/**
* meta_event_native_get_time_usec:
* @event: a #ClutterEvent
*
* Returns the time in microsecond granularity, or 0 if unavailable.
*
* Returns: The time in microsecond granularity, or 0 if unavailable.
*/
uint64_t
meta_event_native_get_time_usec (const ClutterEvent *event)
{
MetaEventNative *event_evdev = _clutter_event_get_platform_data (event);
if (event_evdev)
return event_evdev->time_usec;
return 0;
}
/**
* meta_event_get_pointer_motion
* @event: a #ClutterEvent
*
* If available, the normal and unaccelerated motion deltas are written
* to the dx, dy, dx_unaccel and dy_unaccel and TRUE is returned.
*
* If unavailable, FALSE is returned.
*
* Returns: TRUE on success, otherwise FALSE.
**/
gboolean
meta_event_native_get_relative_motion (const ClutterEvent *event,
double *dx,
double *dy,
double *dx_unaccel,
double *dy_unaccel)
{
MetaEventNative *event_evdev = _clutter_event_get_platform_data (event);
if (event_evdev && event_evdev->has_relative_motion)
{
if (dx)
*dx = event_evdev->dx;
if (dy)
*dy = event_evdev->dy;
if (dx_unaccel)
*dx_unaccel = event_evdev->dx_unaccel;
if (dy_unaccel)
*dy_unaccel = event_evdev->dy_unaccel;
return TRUE;
}
else
return FALSE;
}
/**
* meta_event_native_sequence_get_slot:
* @sequence: a #ClutterEventSequence
*
* Retrieves the touch slot triggered by this @sequence
*
* Returns: the libinput touch slot.
*
* Since: 1.20
* Stability: unstable
**/
int32_t
meta_event_native_sequence_get_slot (const ClutterEventSequence *sequence)
{
if (!sequence)
return -1;
return GPOINTER_TO_INT (sequence) - 1;
}
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