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window.h
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C/C++ Source or Header
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1993-03-29
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6KB
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202 lines
#ifndef WINDOWH
#define WINDOWH
/* 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 Mon Aug 10 14:51:25 1992 */
#include "cell.h"
#include "line.h"
/* The tty windows datastructures: */
struct window
{
/* Do not change these directly. */
int id;
int win_over; /* Where the data in this window starts */
int win_down; /* on the screen. */
struct rng screen; /* Cells visible. recenter_* updates this. */
int flags; /* You must use io_set_win_flags and perhaps */
/* io_recenter_cur_win */
/* Number of lines of spreadsheet that can fit in this window.
This only changes when the screen is resized,
win->flags&WIN_EDGES changes, or a window is either
created or destroyed */
int numr;
/* Number of text columns that can fit in this window.
This changes when the screen is resized,
win->flags&WIN_EDGES changes, a window is created or
destoryed, or win->lh_wid changes. In the last case
win->numc+win->lh_wid remains a constant. */
int numc;
/*
* Number of columns and rows for right and bottom edges.
* As this changes, numc and numr change accordingly.
*/
int bottom_edge_r;
int right_edge_c;
/* These values may be changed at any time. */
/* -1 if this window isn't linked to any others, else
contains the index into wins of the window this one is
linked to */
int link;
/* Number of columns taken up by the row numbers at the
left hand edge of the screen. Zero if edges is
win->flags&WIN_EDGES is off (by definition). Seven (or
five) if win->flags&WIN_PAG_HZ (to make things easier).
Ranges between three "R9 " to seven "R32767 " depending on
the number of the highest row on the screen. */
int lh_wid;
/* Cursor row/column in this window */
/* Note that the external variables curow, cucol are used for
the currently active cursor position, so if you want
cwin->curow and cwin->cucol to be accurate, you have to
set them yourself. */
CELLREF win_curow;
CELLREF win_cucol;
VOIDSTAR *win_slops; /* Slops in this window (tty only) */
};
struct mouse_event
{
int seq;
int row;
int col;
int button;
int downp;
int location; /* See #defines, below. */
CELLREF r;
CELLREF c;
struct mouse_event * next;
struct mouse_event * prev;
};
/* Window flags:
0x01 Locked horizontally
0x02 Locked vertically
0x04 Page Horizontally
0x08 Page Vertically
0x10 Edges disabled
0x20 Edges standout
*/
#define WIN_LCK_HZ 0x01
#define WIN_LCK_VT 0x02
#define WIN_PAG_HZ 0x04
#define WIN_PAG_VT 0x08
#define WIN_EDGES 0x10
#define WIN_EDGE_REV 0x20
/* Do not change these directly. */
extern int scr_lines;
extern int scr_cols;
extern int input; /* An approximation that makes sense. */
extern int status;
extern int user_input; /* What the user actually asked for. */
extern int user_status;
extern int formulas_visible;
extern int input_rows;
extern int status_rows;
extern int label_rows;
extern int label_emcols;
extern int nwin;
extern struct window * wins;
extern struct window * cwin;
extern struct mouse_event last_mouse_event;
extern int info_rows; /* The height of one row of info in a */
/* multi-line message. */
/* This is stored as the button number when a dequeue failes. */
#define MOUSE_QERROR -1
/* These are the possible mouse locations. */
#define MOUSE_ON_INPUT -1
#define MOUSE_ON_STATUS -2
#define MOUSE_ON_EDGE -3
#define MOUSE_CHAR '\034'
#ifdef __STDC__
extern int win_label_cols (struct window * win, CELLREF hr);
extern int win_label_rows (struct window * win);
extern void io_set_label_size (int r, int c);
extern void io_set_scr_size (int lines, int cols);
extern void io_set_input_rows (int n);
extern void io_set_status_rows (int n);
extern void io_set_input_status (int inp, int stat, int redraw);
extern void io_set_cwin (struct window *win);
extern void io_pr_cell (CELLREF r, CELLREF c, CELL *cp);
extern void io_redo_region (struct rng * rng);
extern void io_win_open (int hv, int where);
extern void io_win_close (struct window *win);
extern void io_move_cell_cursor (CELLREF rr, CELLREF cc);
extern void io_shift_cell_cursor (int dirn, int repeat);
extern void io_scroll_cell_cursor (int magic, int repeat);
extern void io_recenter_cur_win (void);
extern void io_recenter_all_win (void);
extern void io_set_win_flags (struct window *w, int f);
extern void io_write_window_config (struct line * out);
extern void io_read_window_config (char * line);
extern int enqueue_mouse_event (int r, int c, int button, int downp);
extern void dequeue_mouse_event (struct mouse_event *out, int seq);
extern void io_init_windows (int sl, int sc, int ui, int us, int ir, int sr,
int lr, int lc) ;
#else
extern int win_label_cols ();
extern int win_label_rows ();
extern void io_set_label_size ();
extern void io_set_scr_size ();
extern void io_set_input_rows ();
extern void io_set_status_rows ();
extern void io_set_input_status ();
extern void io_set_cwin ();
extern void io_pr_cell ();
extern void io_redo_region ();
extern void io_win_open ();
extern void io_win_close ();
extern void io_move_cell_cursor ();
extern void io_shift_cell_cursor ();
extern void io_scroll_cell_cursor ();
extern void io_recenter_cur_win ();
extern void io_recenter_all_win ();
extern void io_set_win_flags ();
extern void io_write_window_config ();
extern void io_read_window_config ();
extern int enqueue_mouse_event ();
extern void dequeue_mouse_event ();
extern void io_init_windows ();
#endif
#endif