1998-03-23 04:43:15 +08:00
|
|
|
/* display.h -- How the display in Info is done.
|
1998-03-25 02:08:49 +08:00
|
|
|
$Id: display.h,v 1.1.1.2 1998/03/22 20:42:24 law Exp $
|
1997-08-22 06:57:35 +08:00
|
|
|
|
1998-03-23 04:43:15 +08:00
|
|
|
This file is part of GNU Info, a program for reading online documentation
|
1997-08-22 06:57:35 +08:00
|
|
|
stored in Info format.
|
|
|
|
|
|
1998-03-23 04:43:15 +08:00
|
|
|
Copyright (C) 1993, 97 Free Software Foundation, Inc.
|
1997-08-22 06:57:35 +08:00
|
|
|
|
|
|
|
|
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 program; if not, write to the Free Software
|
|
|
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
|
|
|
|
|
|
Written by Brian Fox (bfox@ai.mit.edu). */
|
|
|
|
|
|
1998-03-23 04:43:15 +08:00
|
|
|
#ifndef INFO_DISPLAY_H
|
|
|
|
|
#define INFO_DISPLAY_H
|
1997-08-22 06:57:35 +08:00
|
|
|
|
|
|
|
|
#include "info-utils.h"
|
|
|
|
|
#include "terminal.h"
|
|
|
|
|
|
|
|
|
|
typedef struct {
|
|
|
|
|
char *text; /* Text of the line as it appears. */
|
|
|
|
|
int textlen; /* Printable Length of TEXT. */
|
|
|
|
|
int inverse; /* Non-zero means this line is inverse. */
|
|
|
|
|
} DISPLAY_LINE;
|
|
|
|
|
|
|
|
|
|
/* An array of display lines which tell us what is currently visible on
|
|
|
|
|
the display. */
|
|
|
|
|
extern DISPLAY_LINE **the_display;
|
|
|
|
|
|
|
|
|
|
/* Non-zero means do no output. */
|
|
|
|
|
extern int display_inhibited;
|
|
|
|
|
|
|
|
|
|
/* Non-zero if we didn't completely redisplay a window. */
|
|
|
|
|
extern int display_was_interrupted_p;
|
|
|
|
|
|
|
|
|
|
/* Initialize THE_DISPLAY to WIDTH and HEIGHT, with nothing in it. */
|
|
|
|
|
extern void display_initialize_display ();
|
|
|
|
|
|
|
|
|
|
/* Clear all of the lines in DISPLAY making the screen blank. */
|
|
|
|
|
extern void display_clear_display ();
|
|
|
|
|
|
|
|
|
|
/* Update the windows pointed to by WINDOWS in THE_DISPLAY. This actually
|
|
|
|
|
writes the text on the screen. */
|
|
|
|
|
extern void display_update_display ();
|
|
|
|
|
|
|
|
|
|
/* Display WIN on THE_DISPLAY. Unlike display_update_display (), this
|
|
|
|
|
function only does one window. */
|
|
|
|
|
extern void display_update_one_window ();
|
|
|
|
|
|
|
|
|
|
/* Move the screen cursor to directly over the current character in WINDOW. */
|
|
|
|
|
extern void display_cursor_at_point ();
|
|
|
|
|
|
|
|
|
|
/* Scroll the region of the_display starting at START, ending at END, and
|
|
|
|
|
moving the lines AMOUNT lines. If AMOUNT is less than zero, the lines
|
|
|
|
|
are moved up in the screen, otherwise down. Actually, it is possible
|
|
|
|
|
for no scrolling to take place in the case that the terminal doesn't
|
|
|
|
|
support it. This doesn't matter to us. */
|
|
|
|
|
extern void display_scroll_display ();
|
|
|
|
|
|
|
|
|
|
/* Try to scroll lines in WINDOW. OLD_PAGETOP is the pagetop of WINDOW before
|
|
|
|
|
having had its line starts recalculated. OLD_STARTS is the list of line
|
|
|
|
|
starts that used to appear in this window. OLD_COUNT is the number of lines
|
|
|
|
|
that appear in the OLD_STARTS array. */
|
|
|
|
|
extern void display_scroll_line_starts ();
|
|
|
|
|
|
1998-03-23 04:43:15 +08:00
|
|
|
#endif /* not INFO_DISPLAY_H */
|
