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Language/OS - Multiplatform Resource Library
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LANGUAGE OS.iso
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gnu
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oleo-1_4.lha
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oleo-1.4
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display.h
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C/C++ Source or Header
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1993-01-16
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116 lines
#ifndef DISPLAYH
#define DISPLAYH
/* Copyright (C) 1992, 1993 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this software; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* t. lord Sat Oct 3 16:08:21 1992 */
#include "global.h"
#include "font.h"
#include "cell.h"
#include "ir.h"
union cell_numeric
{
int integer;
double dbl;
};
struct cell_display
{
CELLREF r, c;
int cell_type;
int justification;
struct font_memo *font;
char *unclipped;
struct xx_sIntRectangle goal;
char *clipped; /* Box of clipped string, if known. */
struct xx_sIntRectangle clip;
union cell_numeric numeric; /* Value from which to compute clipped str. */
struct xx_sIntRectangle layout; /* Space available under current layout. */
struct cell_display *used_by;
struct cell_display *was_used_by;
struct cell_display *next_damaged;
};
struct display;
/* This should set the w_goal and h_goal fields of the cell_display. */
#ifdef __STDC__
typedef void (*cell_display_metric) (struct cell_display *,
struct display *);
#else
typedef void (*cell_display_metric) ();
#endif
struct display
{
struct rng range;
int *widths;
int *heights;
int *rowy;
int *colx;
void *vdata;
cell_display_metric metric;
struct cell_display *cells;
struct cell_display *damaged; /* This is a list, terminated by a pointer */
/* to this structure rather than 0, */
/* following the next_damage chain. */
};
#ifdef __STDC__
extern void free_display (struct display *);
extern void build_display (struct display *, struct rng *,
cell_display_metric, void *);
extern void build_unscaled_display (struct display *, struct rng *,
cell_display_metric, void *);
extern void display_test_cmd (struct rng *);
extern struct cell_display *cell_display_of (struct display *dpy,
CELLREF r, CELLREF c);
extern void display_range (struct rng *, struct display *dpy,
int x, int y, int w, int h);
extern void record_display_damage (struct display *,
int x, int y, int w, int h);
extern void layout (struct display *);
extern int pr_display_cell (struct display *, CELLREF, CELLREF, CELL *);
#else
extern void free_display ();
extern void build_display ();
extern void build_unscaled_display ();
extern void display_test_cmd ();
extern struct cell_display *cell_display_of ();
extern void display_range ();
extern void record_display_damage ();
extern void layout ();
extern int pr_display_cell ();
#endif
#define display_width(DPY) \
((DPY)->colx[(DPY)->range.hc - (DPY)->range.lc] \
+ (DPY)->widths[(DPY)->range.hc - (DPY)->range.lc])
#define display_height(DPY) \
((DPY)->rowy[(DPY)->range.hr - (DPY)->range.lr] \
+ (DPY)->heights[(DPY)->range.hr - (DPY)->range.lr])
#define dpy_cols(DPY) ((DPY)->range.hc - (DPY)->range.lc)
#define dpy_aref(DPY,R,C) \
((DPY)->cells + (((R) - (DPY)->range.lr) * dpy_cols(DPY)) \
+ ((C) - (DPY)->range.lc))
#endif