(init_display): Treat null string DISPLAY var like not set.
[bpt/emacs.git] / src / w32gui.h
1 /* Definitions and headers for communication with Win32 GUI.
2 Copyright (C) 1995 Free Software Foundation, Inc.
3
4 This file is part of GNU Emacs.
5
6 GNU Emacs is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
10
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs; see the file COPYING. If not, write to
18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
19
20 #ifndef __WIN32_H__
21 #define __WIN32_H__
22
23 #include <windows.h>
24
25 typedef struct W32FontStruct {
26 TEXTMETRIC tm;
27 HFONT hfont;
28 } W32FontStruct;
29
30 typedef HBITMAP Pixmap;
31 typedef HBITMAP Bitmap;
32 typedef struct W32FontStruct XFontStruct;
33 typedef HDC GC;
34 typedef COLORREF Color;
35 typedef DWORD Time;
36 typedef HWND Window;
37 typedef HCURSOR Cursor;
38
39 #define FACE_DEFAULT (~0)
40
41 extern HINSTANCE hinst;
42 extern HINSTANCE hprevinst;
43 extern LPSTR lpCmdLine;
44 extern int nCmdShow;
45
46 /* Bit Gravity */
47
48 #define ForgetGravity 0
49 #define NorthWestGravity 1
50 #define NorthGravity 2
51 #define NorthEastGravity 3
52 #define WestGravity 4
53 #define CenterGravity 5
54 #define EastGravity 6
55 #define SouthWestGravity 7
56 #define SouthGravity 8
57 #define SouthEastGravity 9
58 #define StaticGravity 10
59
60 #define NoValue 0x0000
61 #define XValue 0x0001
62 #define YValue 0x0002
63 #define WidthValue 0x0004
64 #define HeightValue 0x0008
65 #define AllValues 0x000F
66 #define XNegative 0x0010
67 #define YNegative 0x0020
68
69 #define USPosition (1L << 0) /* user specified x, y */
70 #define USSize (1L << 1) /* user specified width, height */
71
72 #define PPosition (1L << 2) /* program specified position */
73 #define PSize (1L << 3) /* program specified size */
74 #define PMinSize (1L << 4) /* program specified minimum size */
75 #define PMaxSize (1L << 5) /* program specified maximum size */
76 #define PResizeInc (1L << 6) /* program specified resize increments */
77 #define PAspect (1L << 7) /* program specified min and max aspect ratios */
78 #define PBaseSize (1L << 8) /* program specified base for incrementing */
79 #define PWinGravity (1L << 9) /* program specified window gravity */
80
81 extern int XParseGeometry ();
82
83 #endif