mirror of
https://github.com/brl/mutter.git
synced 2024-12-01 04:10:43 -05:00
07d24fe502
The small catch is that MtkRegion (and pixman regions) "optimize away" 0-size rectangles, so a 0-sized region will always be seen as having a 0,0 origin. We don't want that, so transfer the origin separately from the region. While at it, make the Wayland pointer lock use one such 0-size region, to avoid the 1x1px wiggle room that it currently has (accounting for subpixel motion). Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3420>
79 lines
3.3 KiB
C
79 lines
3.3 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
|
|
|
|
/*
|
|
* Copyright (C) 2015 Red Hat
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* This program 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
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* Written by:
|
|
* Jonas Ådahl <jadahl@gmail.com>
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <glib-object.h>
|
|
|
|
#include "clutter/clutter.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define META_TYPE_POINTER_CONSTRAINT (meta_pointer_constraint_get_type ())
|
|
G_DECLARE_FINAL_TYPE (MetaPointerConstraint, meta_pointer_constraint,
|
|
META, POINTER_CONSTRAINT, GObject);
|
|
|
|
MetaPointerConstraint * meta_pointer_constraint_new (const MtkRegion *region,
|
|
graphene_point_t origin,
|
|
double min_edge_distance);
|
|
|
|
MtkRegion * meta_pointer_constraint_get_region (MetaPointerConstraint *constraint,
|
|
graphene_point_t *origin);
|
|
|
|
double meta_pointer_constraint_get_min_edge_distance (MetaPointerConstraint *constraint);
|
|
|
|
#define META_TYPE_POINTER_CONSTRAINT_IMPL (meta_pointer_constraint_impl_get_type ())
|
|
G_DECLARE_DERIVABLE_TYPE (MetaPointerConstraintImpl, meta_pointer_constraint_impl,
|
|
META, POINTER_CONSTRAINT_IMPL, GObject);
|
|
|
|
/**
|
|
* MetaPointerConstraintImplClass:
|
|
* @constrain: the virtual function pointer for
|
|
* meta_pointer_constraint_impl_constrain().
|
|
*/
|
|
struct _MetaPointerConstraintImplClass
|
|
{
|
|
GObjectClass parent_class;
|
|
|
|
void (* constrain) (MetaPointerConstraintImpl *constraint_impl,
|
|
ClutterInputDevice *device,
|
|
uint32_t time,
|
|
float prev_x,
|
|
float prev_y,
|
|
float *x,
|
|
float *y);
|
|
void (* ensure_constrained) (MetaPointerConstraintImpl *constraint_impl,
|
|
ClutterInputDevice *device);
|
|
};
|
|
|
|
void meta_pointer_constraint_impl_constrain (MetaPointerConstraintImpl *constraint_impl,
|
|
ClutterInputDevice *device,
|
|
uint32_t time,
|
|
float prev_x,
|
|
float prev_y,
|
|
float *x,
|
|
float *y);
|
|
void meta_pointer_constraint_impl_ensure_constrained (MetaPointerConstraintImpl *constraint_impl,
|
|
ClutterInputDevice *device);
|
|
|
|
G_END_DECLS
|