/* -*- 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 . * * Written by: * Jonas Ã…dahl */ #pragma once #include #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, double min_edge_distance); MtkRegion * meta_pointer_constraint_get_region (MetaPointerConstraint *constraint); 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