src/macgui.h

   1 /* Definitions and headers for communication on the Mac OS.
   2    Copyright (C) 2000, 2001 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 /* Contributed by Andrew Choi (akochoi@mac.com).  */
  22
  23 #ifndef EMACS_MACGUI_H
  24 #define EMACS_MACGUI_H
  25
  26 typedef int Pixmap;
  27 typedef int Bitmap;
  28
  29 typedef int Display;  /* fix later */
  30
  31 typedef char * XrmDatabase;  /* fix later */
  32
  33 typedef unsigned long Time;
  34
  35 #if MAC_OSX
  36 typedef struct OpaqueWindowPtr* Window;
  37 #else
  38 #include <QuickDraw.h>
  39 typedef WindowPtr Window;
  40 #endif
  41
  42 #define FACE_DEFAULT (~0)
  43
  44
  45 /* Emulate XCharStruct.  */
  46 typedef struct _XCharStruct
  47 {
  48   int rbearing;
  49   int lbearing;
  50   int width;
  51   int ascent;
  52   int descent;
  53 } XCharStruct;
  54
  55 struct MacFontStruct {
  56   char *fontname;
  57
  58   short mac_fontnum;  /* font number of font used in this window */
  59   int mac_fontsize;  /* size of font */
  60   short mac_fontface;  /* plain, bold, italics, etc. */
  61   short mac_scriptcode;  /* Mac OS script code for font used */
  62
  63 #if 0
  64   SInt16 mFontNum;  /* font number of font used in this window */
  65   short mScriptCode;  /* Mac OS script code for font used */
  66   int mFontSize;  /* size of font */
  67   Style mFontFace;  /* plain, bold, italics, etc. */
  68   int mHeight;  /* height of one line of text in pixels */
  69   int mWidth;  /* width of one character in pixels */
  70   int mAscent;
  71   int mDescent;
  72   int mLeading;
  73   char mTwoByte;  /* true for two-byte font */
  74 #endif /* 0 */
  75
  76 /* from Xlib.h */
  77 #if 0
  78   XExtData *ext_data;      /* hook for extension to hang data */
  79   Font fid;                /* Font id for this font */
  80   unsigned direction;      /* hint about the direction font is painted */
  81 #endif /* 0 */
  82   unsigned min_char_or_byte2;/* first character */
  83   unsigned max_char_or_byte2;/* last character */
  84   unsigned min_byte1;      /* first row that exists */
  85   unsigned max_byte1;      /* last row that exists */
  86 #if 0
  87   Bool all_chars_exist;    /* flag if all characters have nonzero size */
  88   unsigned default_char;   /* char to print for undefined character */
  89   int n_properties;        /* how many properties there are */
  90   XFontProp *properties;   /* pointer to array of additional properties */
  91 #endif /* 0 */
  92   XCharStruct min_bounds;  /* minimum bounds over all existing char */
  93   XCharStruct max_bounds;  /* maximum bounds over all existing char */
  94   XCharStruct *per_char;   /* first_char to last_char information */
  95   int ascent;              /* logical extent above baseline for spacing */
  96   int descent;             /* logical decent below baseline for spacing */
  97 };
  98
  99 typedef struct MacFontStruct MacFontStruct;
 100 typedef struct MacFontStruct XFontStruct;
 101
 102 /* Structure borrowed from Xlib.h to represent two-byte characters.  */
 103
 104 typedef struct {
 105   unsigned char byte1;
 106   unsigned char byte2;
 107 } XChar2b;
 108
 109 #define STORE_XCHAR2B(chp, b1, b2) \
 110   ((chp)->byte1 = (b1), (chp)->byte2 = (b2))
 111
 112 #define XCHAR2B_BYTE1(chp) \
 113   ((chp)->byte1)
 114
 115 #define XCHAR2B_BYTE2(chp) \
 116   ((chp)->byte2)
 117
 118
 119 /* Emulate X GC's by keeping color and font info in a structure.  */
 120 typedef struct _XGCValues
 121 {
 122   unsigned long foreground;
 123   unsigned long background;
 124   XFontStruct *font;
 125 } XGCValues;
 126
 127 typedef XGCValues *GC;
 128
 129 extern XGCValues *
 130 XCreateGC (void *, Window, unsigned long, XGCValues *);
 131
 132 #define GCForeground 0x01
 133 #define GCBackground 0x02
 134 #define GCFont 0x03
 135 #define GCGraphicsExposures 0
 136
 137 /* Bit Gravity */
 138
 139 #define ForgetGravity           0
 140 #define NorthWestGravity        1
 141 #define NorthGravity            2
 142 #define NorthEastGravity        3
 143 #define WestGravity             4
 144 #define CenterGravity           5
 145 #define EastGravity             6
 146 #define SouthWestGravity        7
 147 #define SouthGravity            8
 148 #define SouthEastGravity        9
 149 #define StaticGravity           10
 150
 151 #define NoValue         0x0000
 152 #define XValue          0x0001
 153 #define YValue          0x0002
 154 #define WidthValue      0x0004
 155 #define HeightValue     0x0008
 156 #define AllValues       0x000F
 157 #define XNegative       0x0010
 158 #define YNegative       0x0020
 159
 160 #define USPosition      (1L << 0) /* user specified x, y */
 161 #define USSize          (1L << 1) /* user specified width, height */
 162
 163 #define PPosition       (1L << 2) /* program specified position */
 164 #define PSize           (1L << 3) /* program specified size */
 165 #define PMinSize        (1L << 4) /* program specified minimum size */
 166 #define PMaxSize        (1L << 5) /* program specified maximum size */
 167 #define PResizeInc      (1L << 6) /* program specified resize increments */
 168 #define PAspect         (1L << 7) /* program specified min and max aspect ratios */
 169 #define PBaseSize       (1L << 8) /* program specified base for incrementing */
 170 #define PWinGravity     (1L << 9) /* program specified window gravity */
 171
 172 extern int XParseGeometry ();
 173
 174 typedef struct {
 175     int x, y;
 176     unsigned width, height;
 177 } XRectangle;
 178
 179 #define NativeRectangle Rect
 180
 181 #define CONVERT_TO_XRECT(xr,nr)                 \
 182   ((xr).x = (nr).left,                          \
 183    (xr).y = (nr).top,                           \
 184    (xr).width = ((nr).right - (nr).left),       \
 185    (xr).height = ((nr).bottom - (nr).top))
 186
 187 #define CONVERT_FROM_XRECT(xr,nr)               \
 188   ((nr).left = (xr).x,                          \
 189    (nr).top = (xr).y,                           \
 190    (nr).right = ((xr).x + (xr).width),          \
 191    (nr).bottom = ((xr).y + (xr).height))
 192
 193 #define STORE_NATIVE_RECT(nr,x,y,width,height)  \
 194   ((nr).left = (x),                             \
 195    (nr).top = (y),                              \
 196    (nr).right = ((nr).left + (width)),          \
 197    (nr).bottom = ((nr).top + (height)))
 198
 199 #endif /* EMACS_MACGUI_H */
 200