mutter/src/theme.h

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/* Metacity Theme Engine Header */
/*
* Copyright (C) 2001 Havoc Pennington
*
* 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.
*/
#ifndef META_THEME_H
#define META_THEME_H
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/* don't add any internal headers here; theme.h is an installed/public
* header.
*/
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#include <Xlib.h>
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#include <glib.h>
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typedef struct _MetaFrameInfo MetaFrameInfo;
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typedef struct _MetaFrameGeometry MetaFrameGeometry;
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typedef struct _MetaThemeEngine MetaThemeEngine;
typedef enum
{
META_FRAME_ALLOWS_DELETE = 1 << 0,
META_FRAME_ALLOWS_MENU = 1 << 1,
META_FRAME_ALLOWS_ICONIFY = 1 << 2,
META_FRAME_ALLOWS_MAXIMIZE = 1 << 3,
META_FRAME_ALLOWS_RESIZE = 1 << 4,
META_FRAME_TRANSIENT = 1 << 5
} MetaFrameFlags;
typedef enum
{
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META_FRAME_CONTROL_NONE,
META_FRAME_CONTROL_TITLE,
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META_FRAME_CONTROL_DELETE,
META_FRAME_CONTROL_MENU,
META_FRAME_CONTROL_ICONIFY,
META_FRAME_CONTROL_MAXIMIZE,
META_FRAME_CONTROL_RESIZE_SE,
META_FRAME_CONTROL_RESIZE_S,
META_FRAME_CONTROL_RESIZE_SW,
META_FRAME_CONTROL_RESIZE_N,
META_FRAME_CONTROL_RESIZE_NE,
META_FRAME_CONTROL_RESIZE_NW,
META_FRAME_CONTROL_RESIZE_W,
META_FRAME_CONTROL_RESIZE_E
} MetaFrameControl;
struct _MetaFrameInfo
{
/* These are read-only to engines */
MetaFrameFlags flags;
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Window frame; /* == None in fill_frame_geometry */
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Display *display;
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Screen *screen;
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Visual *visual;
int depth;
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const char *title;
/* Equal to child size before fill_frame_geometry
* has been called
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*/
int width;
int height;
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};
struct _MetaFrameGeometry
{
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/* border sizes (space between frame and child) */
int left_width;
int right_width;
int top_height;
int bottom_height;
/* background color */
unsigned long background_pixel;
Pixmap shape_mask;
/* FIXME shape region */
};
struct _MetaThemeEngine
{
void (* unload_engine) (void);
/* returns frame_data to use */
gpointer (* acquire_frame) (MetaFrameInfo *info);
/* should free frame_data */
void (* release_frame) (MetaFrameInfo *info,
gpointer frame_data);
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void (* fill_frame_geometry) (MetaFrameInfo *info,
MetaFrameGeometry *geom,
gpointer frame_data);
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void (* expose_frame) (MetaFrameInfo *info,
int x, int y,
int width, int height,
gpointer frame_data);
MetaFrameControl (* get_control) (MetaFrameInfo *info,
int x, int y,
gpointer frame_data);
};
extern MetaThemeEngine meta_default_engine;
#endif