daf5a112fb
They are already effectively interchangeable so this should reduce pointless casts. Just like in GDK though, we need to keep the old definition for instrospection to be able to include the struct's fields.
141 lines
4.7 KiB
C
141 lines
4.7 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
|
|
|
|
/* Simple box operations */
|
|
|
|
/*
|
|
* Copyright (C) 2005, 2006 Elijah Newren
|
|
*
|
|
* 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/>.
|
|
*/
|
|
|
|
#ifndef META_BOXES_H
|
|
#define META_BOXES_H
|
|
|
|
#include <glib-object.h>
|
|
#include <meta/common.h>
|
|
|
|
#define META_TYPE_RECTANGLE (meta_rectangle_get_type ())
|
|
|
|
/**
|
|
* MetaRectangle:
|
|
* @x: X coordinate of the top-left corner
|
|
* @y: Y coordinate of the top-left corner
|
|
* @width: Width of the rectangle
|
|
* @height: Height of the rectangle
|
|
*/
|
|
#ifdef __GI_SCANNER__
|
|
/* The introspection scanner is currently unable to lookup how
|
|
* cairo_rectangle_int_t is actually defined. This prevents
|
|
* introspection data for the GdkRectangle type to include fields
|
|
* descriptions. To workaround this issue, we define it with the same
|
|
* content as cairo_rectangle_int_t, but only under the introspection
|
|
* define.
|
|
*/
|
|
struct _MetaRectangle
|
|
{
|
|
int x;
|
|
int y;
|
|
int width;
|
|
int height;
|
|
};
|
|
typedef struct _MetaRectangle MetaRectangle;
|
|
#else
|
|
typedef cairo_rectangle_int_t MetaRectangle;
|
|
#endif
|
|
|
|
/**
|
|
* MetaStrut:
|
|
* @rect: #MetaRectangle the #MetaStrut is on
|
|
* @side: #MetaSide the #MetaStrut is on
|
|
*/
|
|
typedef struct _MetaStrut MetaStrut;
|
|
struct _MetaStrut
|
|
{
|
|
MetaRectangle rect;
|
|
MetaSide side;
|
|
};
|
|
|
|
/**
|
|
* MetaEdgeType:
|
|
* @META_EDGE_WINDOW: Whether the edge belongs to a window
|
|
* @META_EDGE_MONITOR: Whether the edge belongs to a monitor
|
|
* @META_EDGE_SCREEN: Whether the edge belongs to a screen
|
|
*/
|
|
typedef enum
|
|
{
|
|
META_EDGE_WINDOW,
|
|
META_EDGE_MONITOR,
|
|
META_EDGE_SCREEN
|
|
} MetaEdgeType;
|
|
|
|
/**
|
|
* MetaEdge:
|
|
* @rect: #MetaRectangle with the bounds of the edge
|
|
* @side_type: Side
|
|
* @edge_type: To what belongs the edge
|
|
*/
|
|
typedef struct _MetaEdge MetaEdge;
|
|
struct _MetaEdge
|
|
{
|
|
MetaRectangle rect; /* width or height should be 1 */
|
|
MetaSide side_type;
|
|
MetaEdgeType edge_type;
|
|
};
|
|
|
|
GType meta_rectangle_get_type (void);
|
|
|
|
MetaRectangle *meta_rectangle_copy (const MetaRectangle *rect);
|
|
void meta_rectangle_free (MetaRectangle *rect);
|
|
|
|
/* Function to make initializing a rect with a single line of code easy */
|
|
MetaRectangle meta_rect (int x, int y, int width, int height);
|
|
|
|
/* Basic comparison functions */
|
|
int meta_rectangle_area (const MetaRectangle *rect);
|
|
gboolean meta_rectangle_intersect (const MetaRectangle *src1,
|
|
const MetaRectangle *src2,
|
|
MetaRectangle *dest);
|
|
gboolean meta_rectangle_equal (const MetaRectangle *src1,
|
|
const MetaRectangle *src2);
|
|
|
|
/* Find the bounding box of the union of two rectangles */
|
|
void meta_rectangle_union (const MetaRectangle *rect1,
|
|
const MetaRectangle *rect2,
|
|
MetaRectangle *dest);
|
|
|
|
/* overlap is similar to intersect but doesn't provide location of
|
|
* intersection information.
|
|
*/
|
|
gboolean meta_rectangle_overlap (const MetaRectangle *rect1,
|
|
const MetaRectangle *rect2);
|
|
|
|
/* vert_overlap means ignore the horizontal location and ask if the
|
|
* vertical parts overlap. An alternate way to think of it is "Does there
|
|
* exist a way to shift either rect horizontally so that the two rects
|
|
* overlap?" horiz_overlap is similar.
|
|
*/
|
|
gboolean meta_rectangle_vert_overlap (const MetaRectangle *rect1,
|
|
const MetaRectangle *rect2);
|
|
gboolean meta_rectangle_horiz_overlap (const MetaRectangle *rect1,
|
|
const MetaRectangle *rect2);
|
|
|
|
/* could_fit_rect determines whether "outer_rect" is big enough to contain
|
|
* inner_rect. contains_rect checks whether it actually contains it.
|
|
*/
|
|
gboolean meta_rectangle_could_fit_rect (const MetaRectangle *outer_rect,
|
|
const MetaRectangle *inner_rect);
|
|
gboolean meta_rectangle_contains_rect (const MetaRectangle *outer_rect,
|
|
const MetaRectangle *inner_rect);
|
|
|
|
#endif /* META_BOXES_H */
|