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/* Definitions and headers for communication on the Microsoft Windows API.
Copyright (C) 1995, 2001-2023 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 <https://www.gnu.org/licenses/>. */
#ifndef EMACS_W32GUI_H
#define EMACS_W32GUI_H
#include <windows.h>
#include "systime.h" /* for Time */
/* FIXME: old 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))))
typedef HBITMAP Emacs_Pixmap;
typedef HWND Window;
typedef HDC Display; /* HDC so it doesn't conflict with xpm lib. */
typedef HCURSOR Emacs_Cursor;
/* Windows equivalent of XImage. */
typedef struct _XImage
{
unsigned char * data;
BITMAPINFO info;
/* Optional RGBQUAD array for palette follows (see BITMAPINFO docs). */
} XImage;
struct image;
extern int w32_load_image (struct frame *f, struct image *img,
Lisp_Object spec_file, Lisp_Object spec_data);
extern bool w32_can_use_native_image_api (Lisp_Object);
extern void w32_gdiplus_shutdown (void);
extern size_t w32_image_size (Emacs_Pixmap);
#define FACE_DEFAULT (~0)
extern HINSTANCE hinst;
/* 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 */
#define NativeRectangle RECT
#define CONVERT_TO_EMACS_RECT(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_EMACS_RECT(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 */
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