src/w32gui.h

   1 /* Definitions and headers for communication on the Microsoft Windows API.
   2    Copyright (C) 1995, 2001-2015 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 3 of the License, or
   9 (at your option) 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.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef EMACS_W32GUI_H
  20 #define EMACS_W32GUI_H
  21 #include <windows.h>
  22
  23 #include "systime.h" /* for Time */
  24
  25 /* Local memory management for menus.  */
  26 #define local_heap (GetProcessHeap ())
  27 #define local_alloc(n) (HeapAlloc (local_heap, HEAP_ZERO_MEMORY, (n)))
  28 #define local_free(p) (HeapFree (local_heap, 0, ((LPVOID) (p))))
  29
  30 #define malloc_widget_value() ((widget_value *) local_alloc (sizeof (widget_value)))
  31 #define free_widget_value(wv) (local_free ((wv)))
  32
  33 /* Emulate X GC's by keeping color and font info in a structure.  */
  34 typedef struct _XGCValues
  35 {
  36   COLORREF foreground;
  37   COLORREF background;
  38   struct font *font;
  39 } XGCValues;
  40
  41 #define GCForeground 0x01
  42 #define GCBackground 0x02
  43 #define GCFont 0x03
  44
  45 typedef HBITMAP Pixmap;
  46 typedef HBITMAP Bitmap;
  47
  48 typedef char * XrmDatabase;
  49
  50 typedef XGCValues * GC;
  51 typedef COLORREF Color;
  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
  83 /* Bit Gravity */
  84
  85 #define ForgetGravity           0
  86 #define NorthWestGravity        1
  87 #define NorthGravity            2
  88 #define NorthEastGravity        3
  89 #define WestGravity             4
  90 #define CenterGravity           5
  91 #define EastGravity             6
  92 #define SouthWestGravity        7
  93 #define SouthGravity            8
  94 #define SouthEastGravity        9
  95 #define StaticGravity           10
  96
  97 #define NoValue         0x0000
  98 #define XValue          0x0001
  99 #define YValue          0x0002
 100 #define WidthValue      0x0004
 101 #define HeightValue     0x0008
 102 #define AllValues       0x000F
 103 #define XNegative       0x0010
 104 #define YNegative       0x0020
 105
 106 #define USPosition      (1L << 0) /* user specified x, y */
 107 #define USSize          (1L << 1) /* user specified width, height */
 108
 109 #define PPosition       (1L << 2) /* program specified position */
 110 #define PSize           (1L << 3) /* program specified size */
 111 #define PMinSize        (1L << 4) /* program specified minimum size */
 112 #define PMaxSize        (1L << 5) /* program specified maximum size */
 113 #define PResizeInc      (1L << 6) /* program specified resize increments */
 114 #define PAspect         (1L << 7) /* program specified min and max aspect ratios */
 115 #define PBaseSize       (1L << 8) /* program specified base for incrementing */
 116 #define PWinGravity     (1L << 9) /* program specified window gravity */
 117
 118 typedef struct {
 119     int x, y;
 120     unsigned width, height;
 121 } XRectangle;
 122
 123 #define NativeRectangle RECT
 124
 125 #define CONVERT_TO_XRECT(xr,nr)                 \
 126   ((xr).x = (nr).left,                          \
 127    (xr).y = (nr).top,                           \
 128    (xr).width = ((nr).right - (nr).left),       \
 129    (xr).height = ((nr).bottom - (nr).top))
 130
 131 #define CONVERT_FROM_XRECT(xr,nr)               \
 132   ((nr).left = (xr).x,                          \
 133    (nr).top = (xr).y,                           \
 134    (nr).right = ((xr).x + (xr).width),          \
 135    (nr).bottom = ((xr).y + (xr).height))
 136
 137 #define STORE_NATIVE_RECT(nr,x,y,width,height)  \
 138   ((nr).left = (x),                             \
 139    (nr).top = (y),                              \
 140    (nr).right = ((nr).left + (width)),          \
 141    (nr).bottom = ((nr).top + (height)))
 142
 143
 144 #endif /* EMACS_W32GUI_H */