eterm/src/startup.h

145 lines
6.2 KiB
C

/*
* Copyright (C) 1997-2000, Michael Jennings
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of the Software, its documentation and marketing & publicity
* materials, and acknowledgment shall be given in the documentation, materials
* and software packages that this Software was used.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _STARTUP_H
#define _STARTUP_H
#include <X11/Xfuncproto.h>
#include <X11/Intrinsic.h> /* Xlib, Xutil, Xresource, Xfuncproto */
#include <ctype.h>
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include "misc.h"
/************ Macros and Definitions ************/
#ifndef EXIT_SUCCESS /* missing from <stdlib.h> */
# define EXIT_SUCCESS 0 /* exit function success */
# define EXIT_FAILURE 1 /* exit function failure */
#endif
#define THEME_CFG "theme.cfg"
#define USER_CFG "user.cfg"
#define MAX_COLS 250
#define MAX_ROWS 128
#ifdef MIN
# undef MIN
#endif
#ifdef MAX
# undef MAX
#endif
#ifdef __GNUC__
# define MIN(a,b) __extension__ ({__typeof__(a) aa = (a); __typeof__(b) bb = (b); (aa < bb) ? (aa) : (bb);})
# define MAX(a,b) __extension__ ({__typeof__(a) aa = (a); __typeof__(b) bb = (b); (aa > bb) ? (aa) : (bb);})
# define LOWER_BOUND(current, other) __extension__ ({__typeof__(other) o = (other); ((current) < o) ? ((current) = o) : (current);})
# define AT_LEAST(current, other) LOWER_BOUND(current, other)
# define MAX_IT(current, other) LOWER_BOUND(current, other)
# define UPPER_BOUND(current, other) __extension__ ({__typeof__(other) o = (other); ((current) > o) ? ((current) = o) : (current);})
# define AT_MOST(current, other) UPPER_BOUND(current, other)
# define MIN_IT(current, other) UPPER_BOUND(current, other)
# define BOUND(val, min, max) __extension__ ({__typeof__(min) m1 = (min); __typeof__(max) m2 = (max); ((val) < m1) ? ((val) = m1) : (((val) > m2) ? ((val) = m2) : (val));})
# define CONTAIN(val, min, max) BOUND(val, min, max)
# define SWAP_IT(one, two, tmp) do {(tmp) = (one); (one) = (two); (two) = (tmp);} while (0)
#else
# define MIN(a,b) (((a) < (b)) ? (a) : (b))
# define MAX(a,b) (((a) > (b)) ? (a) : (b))
# define LOWER_BOUND(current, other) (((current) < (other)) ? ((current) = (other)) : (current))
# define AT_LEAST(current, other) LOWER_BOUND(current, other)
# define MAX_IT(current, other) LOWER_BOUND(current, other)
# define UPPER_BOUND(current, other) (((current) > (other)) ? ((current) = (other)) : (current))
# define AT_MOST(current, other) UPPER_BOUND(current, other)
# define MIN_IT(current, other) UPPER_BOUND(current, other)
# define BOUND(val, min, max) (((val) < (min)) ? ((val) = (min)) : (((val) > (max)) ? ((val) = (max)) : (val)))
# define CONTAIN(val, min, max) BOUND(val, min, max)
# define SWAP_IT(one, two, tmp) do {(tmp) = (one); (one) = (two); (two) = (tmp);} while (0)
#endif
#define SHADOW 2
/* convert pixel dimensions to row/column values */
#define Pixel2Width(x) ((x) / TermWin.fwidth)
#define Pixel2Height(y) ((y) / TermWin.fheight)
#define Pixel2Col(x) Pixel2Width((x) - TermWin.internalBorder)
#define Pixel2Row(y) Pixel2Height((y) - TermWin.internalBorder)
#define Width2Pixel(n) ((n) * TermWin.fwidth)
#define Height2Pixel(n) ((n) * TermWin.fheight)
#define Col2Pixel(col) (Width2Pixel(col) + TermWin.internalBorder)
#define Row2Pixel(row) (Height2Pixel(row) + TermWin.internalBorder)
#define TermWin_TotalWidth() (TermWin.width + 2 * TermWin.internalBorder)
#define TermWin_TotalHeight() (TermWin.height + 2 * TermWin.internalBorder)
#define Xscreen DefaultScreen(Xdisplay)
#define Xcmap DefaultColormap(Xdisplay,Xscreen)
#define Xdepth DefaultDepth(Xdisplay,Xscreen)
#define Xroot DefaultRootWindow(Xdisplay)
#define Xvisual DefaultVisual(Xdisplay, Xscreen)
#ifdef DEBUG_DEPTH
# undef Xdepth
# define Xdepth DEBUG_DEPTH
#endif
/************ Structures ************/
typedef struct {
int internalBorder; /* Internal border size */
short x, y; /* TermWin.parent coordinates */
short width, height; /* window size [pixels] */
short fwidth, fheight; /* font width and height [pixels] */
short fprop; /* font is proportional */
short ncol, nrow; /* window size [characters] */
short focus; /* window has focus */
short saveLines; /* number of lines that fit in scrollback */
short nscrolled; /* number of line actually scrolled */
short view_start; /* scrollback view starts here */
Window parent, vt; /* parent (main) and vt100 window */
GC gc; /* GC for drawing text */
XFontStruct * font; /* main font structure */
XFontSet fontset;
#ifndef NO_BOLDFONT
XFontStruct * boldFont; /* bold font */
#endif
#ifdef MULTI_CHARSET
XFontStruct * mfont; /* multibyte font structure */
#endif
} TermWin_t;
/************ Variables ************/
extern TermWin_t TermWin;
extern Window root;
extern Display *Xdisplay;
extern Colormap cmap;
extern char *orig_argv0;
#ifdef PIXMAP_SUPPORT
extern short bg_needs_update;
#endif
extern const char *display_name;
/************ Function Prototypes ************/
_XFUNCPROTOBEGIN
extern int eterm_bootstrap(int argc, char *argv[]);
_XFUNCPROTOEND
#endif