src/w32gui.h

   1 /* Definitions and headers for communication on the Microsoft Windows API.
   2    Copyright (C) 1995, 2001-2018 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 (at
   9 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 <https://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 /* FIXME: old 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 /* Emulate X GC's by keeping color and font info in a structure.  */
  31 typedef struct _XGCValues
  32 {
  33   COLORREF foreground;
  34   COLORREF background;
  35   struct font *font;
  36 } XGCValues;
  37
  38 #define GCForeground 0x01
  39 #define GCBackground 0x02
  40 #define GCFont 0x03
  41
  42 typedef HBITMAP Pixmap;
  43 typedef HBITMAP Bitmap;
  44
  45 typedef char * XrmDatabase;
  46
  47 typedef XGCValues * GC;
  48 typedef COLORREF Color;
  49 typedef HWND Window;
  50 typedef HDC Display;  /* HDC so it doesn't conflict with xpm lib.  */
  51 typedef HCURSOR Cursor;
  52
  53 #define No_Cursor (0)
  54
  55 #define XChar2b wchar_t
  56
  57 /* Dealing with bits of wchar_t as if they were an XChar2b.  */
  58 #define STORE_XCHAR2B(chp, byte1, byte2) \
  59   ((*(chp)) = ((XChar2b)((((byte1) & 0x00ff) << 8) | ((byte2) & 0x00ff))))
  60
  61 #define XCHAR2B_BYTE1(chp) \
  62   (((*(chp)) & 0xff00) >> 8)
  63
  64 #define XCHAR2B_BYTE2(chp) \
  65   ((*(chp)) & 0x00ff)
  66
  67
  68 /* Windows equivalent of XImage.  */
  69 typedef struct _XImage
  70 {
  71   unsigned char * data;
  72   BITMAPINFO info;
  73   /* Optional RGBQUAD array for palette follows (see BITMAPINFO docs).  */
  74 } XImage;
  75
  76 #define FACE_DEFAULT (~0)
  77
  78 extern HINSTANCE hinst;
  79
  80 /* Bit Gravity */
  81
  82 #define ForgetGravity           0
  83 #define NorthWestGravity        1
  84 #define NorthGravity            2
  85 #define NorthEastGravity        3
  86 #define WestGravity             4
  87 #define CenterGravity           5
  88 #define EastGravity             6
  89 #define SouthWestGravity        7
  90 #define SouthGravity            8
  91 #define SouthEastGravity        9
  92 #define StaticGravity           10
  93
  94 #define NoValue         0x0000
  95 #define XValue          0x0001
  96 #define YValue          0x0002
  97 #define WidthValue      0x0004
  98 #define HeightValue     0x0008
  99 #define AllValues       0x000F
 100 #define XNegative       0x0010
 101 #define YNegative       0x0020
 102
 103 #define USPosition      (1L << 0) /* user specified x, y */
 104 #define USSize          (1L << 1) /* user specified width, height */
 105
 106 #define PPosition       (1L << 2) /* program specified position */
 107 #define PSize           (1L << 3) /* program specified size */
 108 #define PMinSize        (1L << 4) /* program specified minimum size */
 109 #define PMaxSize        (1L << 5) /* program specified maximum size */
 110 #define PResizeInc      (1L << 6) /* program specified resize increments */
 111 #define PAspect         (1L << 7) /* program specified min and max aspect ratios */
 112 #define PBaseSize       (1L << 8) /* program specified base for incrementing */
 113 #define PWinGravity     (1L << 9) /* program specified window gravity */
 114
 115 typedef struct {
 116     int x, y;
 117     unsigned width, height;
 118 } XRectangle;
 119
 120 #define NativeRectangle RECT
 121
 122 #define CONVERT_TO_XRECT(xr,nr)                 \
 123   ((xr).x = (nr).left,                          \
 124    (xr).y = (nr).top,                           \
 125    (xr).width = ((nr).right - (nr).left),       \
 126    (xr).height = ((nr).bottom - (nr).top))
 127
 128 #define CONVERT_FROM_XRECT(xr,nr)               \
 129   ((nr).left = (xr).x,                          \
 130    (nr).top = (xr).y,                           \
 131    (nr).right = ((xr).x + (xr).width),          \
 132    (nr).bottom = ((xr).y + (xr).height))
 133
 134 #define STORE_NATIVE_RECT(nr,x,y,width,height)  \
 135   ((nr).left = (x),                             \
 136    (nr).top = (y),                              \
 137    (nr).right = ((nr).left + (width)),          \
 138    (nr).bottom = ((nr).top + (height)))
 139
 140
 141 #endif /* EMACS_W32GUI_H */