Make building under stricter warning flags somewhat cleaner.

[bpt/emacs.git] / src / w32gui.h

/* Definitions and headers for communication on the Microsoft W32 API.
   Copyright (C) 1995, 2001, 2002, 2003, 2004, 2005,
                 2006, 2007, 2008, 2009, 2010  Free Software Foundation, Inc.

This file is part of GNU Emacs.

GNU Emacs 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 3 of the License, or
(at your option) any later version.

GNU Emacs 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 GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */

#ifndef EMACS_W32GUI_H
#define EMACS_W32GUI_H
#include <windows.h>

/* Local memory management for menus.  */
#define local_heap (GetProcessHeap ())
#define local_alloc(n) (HeapAlloc (local_heap, HEAP_ZERO_MEMORY, (n)))
#define local_free(p) (HeapFree (local_heap, 0, ((LPVOID) (p))))

#define malloc_widget_value() ((widget_value *) local_alloc (sizeof (widget_value)))
#define free_widget_value(wv) (local_free ((wv)))

/* Emulate X GC's by keeping color and font info in a structure.  */
typedef struct _XGCValues
{
  COLORREF foreground;
  COLORREF background;
  struct font *font;
} XGCValues;

#define GCForeground 0x01
#define GCBackground 0x02
#define GCFont 0x03

typedef HBITMAP Pixmap;
typedef HBITMAP Bitmap;

typedef char * XrmDatabase;

typedef XGCValues * GC;
typedef COLORREF Color;
typedef DWORD Time;
typedef HWND Window;
typedef HDC Display;  /* HDC so it doesn't conflict with xpm lib.  */
typedef HCURSOR Cursor;

#define No_Cursor (0)

#define XChar2b wchar_t

/* Dealing with bits of wchar_t as if they were an XChar2b.  */
#define STORE_XCHAR2B(chp, byte1, byte2) \
  ((*chp) = ((XChar2b)((((byte1) & 0x00ff) << 8) | ((byte2) & 0x00ff))))

#define XCHAR2B_BYTE1(chp) \
 (((*chp) & 0xff00) >> 8)

#define XCHAR2B_BYTE2(chp) \
 ((*chp) & 0x00ff)


/* Windows equivalent of XImage.  */
typedef struct _XImage
{
  unsigned char * data;
  BITMAPINFO info;
  /* Optional RGBQUAD array for palette follows (see BITMAPINFO docs).  */
} XImage;

#define FACE_DEFAULT (~0)

extern HINSTANCE hinst;
extern HINSTANCE hprevinst;
extern LPSTR lpCmdLine;
extern int nCmdShow;

/* Bit Gravity */

#define ForgetGravity		0
#define NorthWestGravity	1
#define NorthGravity		2
#define NorthEastGravity	3
#define WestGravity		4
#define CenterGravity		5
#define EastGravity		6
#define SouthWestGravity	7
#define SouthGravity		8
#define SouthEastGravity	9
#define StaticGravity		10

#define NoValue		0x0000
#define XValue  	0x0001
#define YValue		0x0002
#define WidthValue  	0x0004
#define HeightValue  	0x0008
#define AllValues 	0x000F
#define XNegative 	0x0010
#define YNegative 	0x0020

#define USPosition	(1L << 0) /* user specified x, y */
#define USSize		(1L << 1) /* user specified width, height */

#define PPosition	(1L << 2) /* program specified position */
#define PSize		(1L << 3) /* program specified size */
#define PMinSize	(1L << 4) /* program specified minimum size */
#define PMaxSize	(1L << 5) /* program specified maximum size */
#define PResizeInc	(1L << 6) /* program specified resize increments */
#define PAspect		(1L << 7) /* program specified min and max aspect ratios */
#define PBaseSize	(1L << 8) /* program specified base for incrementing */
#define PWinGravity	(1L << 9) /* program specified window gravity */

extern int XParseGeometry (char *, int *, int *, unsigned *, unsigned *);


typedef struct {
    int x, y;
    unsigned width, height;
} XRectangle;

#define NativeRectangle RECT

#define CONVERT_TO_XRECT(xr,nr)			\
  ((xr).x = (nr).left,				\
   (xr).y = (nr).top,				\
   (xr).width = ((nr).right - (nr).left),	\
   (xr).height = ((nr).bottom - (nr).top))

#define CONVERT_FROM_XRECT(xr,nr)		\
  ((nr).left = (xr).x,				\
   (nr).top = (xr).y,				\
   (nr).right = ((xr).x + (xr).width),		\
   (nr).bottom = ((xr).y + (xr).height))

#define STORE_NATIVE_RECT(nr,x,y,width,height)	\
  ((nr).left = (x),				\
   (nr).top = (y),				\
   (nr).right = ((nr).left + (width)),		\
   (nr).bottom = ((nr).top + (height)))


#endif /* EMACS_W32GUI_H */

/* arch-tag: 9172e5fb-45a5-4684-afd9-ca0e81324604
   (do not change this comment) */