src/w32gui.h

   1 /* Definitions and headers for communication on the Microsoft W32 API.
   2    Copyright (C) 1995, 2001, 2002, 2003, 2004, 2005,
   3                  2006, 2007, 2008  Free Software Foundation, Inc.
   4
   5 This file is part of GNU Emacs.
   6
   7 GNU Emacs is free software: you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation, either version 3 of the License, or
  10 (at your option) any later version.
  11
  12 GNU Emacs is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef EMACS_W32GUI_H
  21 #define EMACS_W32GUI_H
  22 #include <windows.h>
  23
  24 #include "w32bdf.h"
  25
  26 /* Emulate XCharStruct.  */
  27 typedef struct _XCharStruct
  28 {
  29   short rbearing;
  30   short lbearing;
  31   short width;
  32   short ascent;
  33   short descent;
  34 } XCharStruct;
  35
  36
  37 /* Local memory management for menus.  */
  38 #define local_heap (GetProcessHeap ())
  39 #define local_alloc(n) (HeapAlloc (local_heap, HEAP_ZERO_MEMORY, (n)))
  40 #define local_free(p) (HeapFree (local_heap, 0, ((LPVOID) (p))))
  41
  42 #define malloc_widget_value() ((widget_value *) local_alloc (sizeof (widget_value)))
  43 #define free_widget_value(wv) (local_free ((wv)))
  44
  45
  46 enum w32_char_font_type
  47 {
  48   UNKNOWN_FONT = 0 /* FONT_TYPE_UNKNOWN */,
  49   ANSI_FONT,
  50   UNICODE_FONT,
  51   BDF_1D_FONT,
  52   BDF_2D_FONT
  53 };
  54
  55 typedef struct W32FontStruct {
  56   enum w32_char_font_type font_type;
  57   TEXTMETRIC tm;
  58   HFONT hfont;
  59   bdffont *bdf;
  60   int double_byte_p;
  61   XCharStruct max_bounds;
  62   XCharStruct scratch;
  63   /* Only store info for ascii chars, if not fixed pitch.  */
  64   XCharStruct * per_char;
  65 } W32FontStruct;
  66
  67 typedef struct W32FontStruct XFontStruct;
  68
  69 /* Emulate X GC's by keeping color and font info in a structure.  */
  70 typedef struct _XGCValues
  71 {
  72   COLORREF foreground;
  73   COLORREF background;
  74   struct font *font;
  75 } XGCValues;
  76
  77 #define GCForeground 0x01
  78 #define GCBackground 0x02
  79 #define GCFont 0x03
  80
  81 typedef HBITMAP Pixmap;
  82 typedef HBITMAP Bitmap;
  83
  84 typedef char * XrmDatabase;
  85
  86 typedef XGCValues * GC;
  87 typedef COLORREF Color;
  88 typedef DWORD Time;
  89 typedef HWND Window;
  90 typedef HDC Display;  /* HDC so it doesn't conflict with xpm lib.  */
  91 typedef HCURSOR Cursor;
  92
  93 #define No_Cursor (0)
  94
  95 #define XChar2b wchar_t
  96
  97 /* Dealing with bits of wchar_t as if they were an XChar2b.  */
  98 #define STORE_XCHAR2B(chp, byte1, byte2) \
  99   ((*chp) = ((XChar2b)((((byte1) & 0x00ff) << 8) | ((byte2) & 0x00ff))))
 100
 101 #define XCHAR2B_BYTE1(chp) \
 102  (((*chp) & 0xff00) >> 8)
 103
 104 #define XCHAR2B_BYTE2(chp) \
 105  ((*chp) & 0x00ff)
 106
 107
 108 /* Windows equivalent of XImage.  */
 109 typedef struct _XImage
 110 {
 111   unsigned char * data;
 112   BITMAPINFO info;
 113   /* Optional RGBQUAD array for palette follows (see BITMAPINFO docs).  */
 114 } XImage;
 115
 116 #define FACE_DEFAULT (~0)
 117
 118 extern HINSTANCE hinst;
 119 extern HINSTANCE hprevinst;
 120 extern LPSTR lpCmdLine;
 121 extern int nCmdShow;
 122
 123 /* Bit Gravity */
 124
 125 #define ForgetGravity           0
 126 #define NorthWestGravity        1
 127 #define NorthGravity            2
 128 #define NorthEastGravity        3
 129 #define WestGravity             4
 130 #define CenterGravity           5
 131 #define EastGravity             6
 132 #define SouthWestGravity        7
 133 #define SouthGravity            8
 134 #define SouthEastGravity        9
 135 #define StaticGravity           10
 136
 137 #define NoValue         0x0000
 138 #define XValue          0x0001
 139 #define YValue          0x0002
 140 #define WidthValue      0x0004
 141 #define HeightValue     0x0008
 142 #define AllValues       0x000F
 143 #define XNegative       0x0010
 144 #define YNegative       0x0020
 145
 146 #define USPosition      (1L << 0) /* user specified x, y */
 147 #define USSize          (1L << 1) /* user specified width, height */
 148
 149 #define PPosition       (1L << 2) /* program specified position */
 150 #define PSize           (1L << 3) /* program specified size */
 151 #define PMinSize        (1L << 4) /* program specified minimum size */
 152 #define PMaxSize        (1L << 5) /* program specified maximum size */
 153 #define PResizeInc      (1L << 6) /* program specified resize increments */
 154 #define PAspect         (1L << 7) /* program specified min and max aspect ratios */
 155 #define PBaseSize       (1L << 8) /* program specified base for incrementing */
 156 #define PWinGravity     (1L << 9) /* program specified window gravity */
 157
 158 extern int XParseGeometry ();
 159
 160
 161 typedef struct {
 162     int x, y;
 163     unsigned width, height;
 164 } XRectangle;
 165
 166 #define NativeRectangle RECT
 167
 168 #define CONVERT_TO_XRECT(xr,nr)                 \
 169   ((xr).x = (nr).left,                          \
 170    (xr).y = (nr).top,                           \
 171    (xr).width = ((nr).right - (nr).left),       \
 172    (xr).height = ((nr).bottom - (nr).top))
 173
 174 #define CONVERT_FROM_XRECT(xr,nr)               \
 175   ((nr).left = (xr).x,                          \
 176    (nr).top = (xr).y,                           \
 177    (nr).right = ((xr).x + (xr).width),          \
 178    (nr).bottom = ((xr).y + (xr).height))
 179
 180 #define STORE_NATIVE_RECT(nr,x,y,width,height)  \
 181   ((nr).left = (x),                             \
 182    (nr).top = (y),                              \
 183    (nr).right = ((nr).left + (width)),          \
 184    (nr).bottom = ((nr).top + (height)))
 185
 186
 187 #endif /* EMACS_W32GUI_H */
 188
 189 /* arch-tag: 9172e5fb-45a5-4684-afd9-ca0e81324604
 190    (do not change this comment) */