mirror of
https://github.com/brl/mutter.git
synced 2024-11-29 19:40:43 -05:00
85 lines
2.2 KiB
C
85 lines
2.2 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, write to the Free Software
|
||
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
|
||
|
|
* 02111-1307, USA.
|
||
|
|
*
|
||
|
|
* Written by:
|
||
|
|
* Jonas Ådahl <jadahl@gmail.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef META_BORDER_H
|
||
|
|
#define META_BORDER_H
|
||
|
|
|
||
|
|
#include <glib.h>
|
||
|
|
|
||
|
|
typedef enum
|
||
|
|
{
|
||
|
|
META_BORDER_MOTION_DIRECTION_POSITIVE_X = 1 << 0,
|
||
|
|
META_BORDER_MOTION_DIRECTION_POSITIVE_Y = 1 << 1,
|
||
|
|
META_BORDER_MOTION_DIRECTION_NEGATIVE_X = 1 << 2,
|
||
|
|
META_BORDER_MOTION_DIRECTION_NEGATIVE_Y = 1 << 3,
|
||
|
|
} MetaBorderMotionDirection;
|
||
|
|
|
||
|
|
typedef struct _MetaVector2
|
||
|
|
{
|
||
|
|
float x;
|
||
|
|
float y;
|
||
|
|
} MetaVector2;
|
||
|
|
|
||
|
|
typedef struct _MetaLine2
|
||
|
|
{
|
||
|
|
MetaVector2 a;
|
||
|
|
MetaVector2 b;
|
||
|
|
} MetaLine2;
|
||
|
|
|
||
|
|
typedef struct _MetaBorder
|
||
|
|
{
|
||
|
|
MetaLine2 line;
|
||
|
|
MetaBorderMotionDirection blocking_directions;
|
||
|
|
} MetaBorder;
|
||
|
|
|
||
|
|
static inline MetaVector2
|
||
|
|
meta_vector2_subtract (const MetaVector2 a,
|
||
|
|
const MetaVector2 b)
|
||
|
|
{
|
||
|
|
return (MetaVector2) {
|
||
|
|
.x = a.x - b.x,
|
||
|
|
.y = a.y - b.y,
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
gboolean
|
||
|
|
meta_line2_intersects_with (const MetaLine2 *line1,
|
||
|
|
const MetaLine2 *line2,
|
||
|
|
MetaVector2 *intersection);
|
||
|
|
|
||
|
|
gboolean
|
||
|
|
meta_border_is_horizontal (MetaBorder *border);
|
||
|
|
|
||
|
|
gboolean
|
||
|
|
meta_border_is_blocking_directions (MetaBorder *border,
|
||
|
|
MetaBorderMotionDirection directions);
|
||
|
|
|
||
|
|
unsigned int
|
||
|
|
meta_border_get_allows_directions (MetaBorder *border);
|
||
|
|
|
||
|
|
void
|
||
|
|
meta_border_set_allows_directions (MetaBorder *border, unsigned int directions);
|
||
|
|
|
||
|
|
#endif /* META_BORDER_H */
|