(window_loop) <GET_BUFFER_WINDOW>: Prefer to return
[bpt/emacs.git] / src / w32gui.h
1 /* Definitions and headers for communication on the Microsoft W32 API.
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, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
20
21 #ifndef EMACS_W32GUI_H
22 #define EMACS_W32GUI_H
23 #include <windows.h>
24 /* Emacs takes care of ensuring that these are defined. */
25 #ifdef max
26 #undef max
27 #undef min
28 #endif
29
30 #include "w32bdf.h"
31
32 /* Emulate XCharStruct. */
33 typedef struct _XCharStruct
34 {
35 short rbearing;
36 short lbearing;
37 short width;
38 short ascent;
39 short descent;
40 } XCharStruct;
41
42 enum w32_char_font_type
43 {
44 UNKNOWN_FONT,
45 ANSI_FONT,
46 UNICODE_FONT,
47 BDF_1D_FONT,
48 BDF_2D_FONT
49 };
50
51 typedef struct W32FontStruct {
52 enum w32_char_font_type font_type;
53 TEXTMETRIC tm;
54 HFONT hfont;
55 bdffont *bdf;
56 int double_byte_p;
57 XCharStruct max_bounds;
58 XCharStruct scratch;
59 /* Only store info for ascii chars, if not fixed pitch. */
60 XCharStruct * per_char;
61 } W32FontStruct;
62
63 typedef struct W32FontStruct XFontStruct;
64
65 /* Emulate X GC's by keeping color and font info in a structure. */
66 typedef struct _XGCValues
67 {
68 COLORREF foreground;
69 COLORREF background;
70 XFontStruct * font;
71 } XGCValues;
72
73 #define GCForeground 0x01
74 #define GCBackground 0x02
75 #define GCFont 0x03
76
77 typedef HBITMAP Pixmap;
78 typedef HBITMAP Bitmap;
79
80 typedef XGCValues * GC;
81 typedef COLORREF Color;
82 typedef DWORD Time;
83 typedef HWND Window;
84 typedef HCURSOR Cursor;
85
86 #define FACE_DEFAULT (~0)
87
88 extern HINSTANCE hinst;
89 extern HINSTANCE hprevinst;
90 extern LPSTR lpCmdLine;
91 extern int nCmdShow;
92
93 /* Bit Gravity */
94
95 #define ForgetGravity 0
96 #define NorthWestGravity 1
97 #define NorthGravity 2
98 #define NorthEastGravity 3
99 #define WestGravity 4
100 #define CenterGravity 5
101 #define EastGravity 6
102 #define SouthWestGravity 7
103 #define SouthGravity 8
104 #define SouthEastGravity 9
105 #define StaticGravity 10
106
107 #define NoValue 0x0000
108 #define XValue 0x0001
109 #define YValue 0x0002
110 #define WidthValue 0x0004
111 #define HeightValue 0x0008
112 #define AllValues 0x000F
113 #define XNegative 0x0010
114 #define YNegative 0x0020
115
116 #define USPosition (1L << 0) /* user specified x, y */
117 #define USSize (1L << 1) /* user specified width, height */
118
119 #define PPosition (1L << 2) /* program specified position */
120 #define PSize (1L << 3) /* program specified size */
121 #define PMinSize (1L << 4) /* program specified minimum size */
122 #define PMaxSize (1L << 5) /* program specified maximum size */
123 #define PResizeInc (1L << 6) /* program specified resize increments */
124 #define PAspect (1L << 7) /* program specified min and max aspect ratios */
125 #define PBaseSize (1L << 8) /* program specified base for incrementing */
126 #define PWinGravity (1L << 9) /* program specified window gravity */
127
128 extern int XParseGeometry ();
129
130 #endif /* EMACS_W32GUI_H */