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, 2009, 2010, 2011  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 /* Local memory management for menus.  */
  25 #define local_heap (GetProcessHeap ())
  26 #define local_alloc(n) (HeapAlloc (local_heap, HEAP_ZERO_MEMORY, (n)))
  27 #define local_free(p) (HeapFree (local_heap, 0, ((LPVOID) (p))))
  28
  29 #define malloc_widget_value() ((widget_value *) local_alloc (sizeof (widget_value)))
  30 #define free_widget_value(wv) (local_free ((wv)))
  31
  32 /* Emulate X GC's by keeping color and font info in a structure.  */
  33 typedef struct _XGCValues
  34 {
  35   COLORREF foreground;
  36   COLORREF background;
  37   struct font *font;
  38 } XGCValues;
  39
  40 #define GCForeground 0x01
  41 #define GCBackground 0x02
  42 #define GCFont 0x03
  43
  44 typedef HBITMAP Pixmap;
  45 typedef HBITMAP Bitmap;
  46
  47 typedef char * XrmDatabase;
  48
  49 typedef XGCValues * GC;
  50 typedef COLORREF Color;
  51 typedef DWORD Time;
  52 typedef HWND Window;
  53 typedef HDC Display;  /* HDC so it doesn't conflict with xpm lib.  */
  54 typedef HCURSOR Cursor;
  55
  56 #define No_Cursor (0)
  57
  58 #define XChar2b wchar_t
  59
  60 /* Dealing with bits of wchar_t as if they were an XChar2b.  */
  61 #define STORE_XCHAR2B(chp, byte1, byte2) \
  62   ((*(chp)) = ((XChar2b)((((byte1) & 0x00ff) << 8) | ((byte2) & 0x00ff))))
  63
  64 #define XCHAR2B_BYTE1(chp) \
  65   (((*(chp)) & 0xff00) >> 8)
  66
  67 #define XCHAR2B_BYTE2(chp) \
  68   ((*(chp)) & 0x00ff)
  69
  70
  71 /* Windows equivalent of XImage.  */
  72 typedef struct _XImage
  73 {
  74   unsigned char * data;
  75   BITMAPINFO info;
  76   /* Optional RGBQUAD array for palette follows (see BITMAPINFO docs).  */
  77 } XImage;
  78
  79 #define FACE_DEFAULT (~0)
  80
  81 extern HINSTANCE hinst;
  82 extern HINSTANCE hprevinst;
  83 extern LPSTR lpCmdLine;
  84 extern int nCmdShow;
  85
  86 /* Bit Gravity */
  87
  88 #define ForgetGravity           0
  89 #define NorthWestGravity        1
  90 #define NorthGravity            2
  91 #define NorthEastGravity        3
  92 #define WestGravity             4
  93 #define CenterGravity           5
  94 #define EastGravity             6
  95 #define SouthWestGravity        7
  96 #define SouthGravity            8
  97 #define SouthEastGravity        9
  98 #define StaticGravity           10
  99
 100 #define NoValue         0x0000
 101 #define XValue          0x0001
 102 #define YValue          0x0002
 103 #define WidthValue      0x0004
 104 #define HeightValue     0x0008
 105 #define AllValues       0x000F
 106 #define XNegative       0x0010
 107 #define YNegative       0x0020
 108
 109 #define USPosition      (1L << 0) /* user specified x, y */
 110 #define USSize          (1L << 1) /* user specified width, height */
 111
 112 #define PPosition       (1L << 2) /* program specified position */
 113 #define PSize           (1L << 3) /* program specified size */
 114 #define PMinSize        (1L << 4) /* program specified minimum size */
 115 #define PMaxSize        (1L << 5) /* program specified maximum size */
 116 #define PResizeInc      (1L << 6) /* program specified resize increments */
 117 #define PAspect         (1L << 7) /* program specified min and max aspect ratios */
 118 #define PBaseSize       (1L << 8) /* program specified base for incrementing */
 119 #define PWinGravity     (1L << 9) /* program specified window gravity */
 120
 121 extern int XParseGeometry (char *, int *, int *, unsigned *, unsigned *);
 122
 123
 124 typedef struct {
 125     int x, y;
 126     unsigned width, height;
 127 } XRectangle;
 128
 129 #define NativeRectangle RECT
 130
 131 #define CONVERT_TO_XRECT(xr,nr)                 \
 132   ((xr).x = (nr).left,                          \
 133    (xr).y = (nr).top,                           \
 134    (xr).width = ((nr).right - (nr).left),       \
 135    (xr).height = ((nr).bottom - (nr).top))
 136
 137 #define CONVERT_FROM_XRECT(xr,nr)               \
 138   ((nr).left = (xr).x,                          \
 139    (nr).top = (xr).y,                           \
 140    (nr).right = ((xr).x + (xr).width),          \
 141    (nr).bottom = ((xr).y + (xr).height))
 142
 143 #define STORE_NATIVE_RECT(nr,x,y,width,height)  \
 144   ((nr).left = (x),                             \
 145    (nr).top = (y),                              \
 146    (nr).right = ((nr).left + (width)),          \
 147    (nr).bottom = ((nr).top + (height)))
 148
 149
 150 #endif /* EMACS_W32GUI_H */
 151