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nethack/include/wintype.h
PatR 946df19ea2 \#perminv, 2 of 2: implementation 
Add new '|' command, aka #perminv, which allows the player to
send menu scrolling keystrokes to the persistent inventory window.

Implemented for X11, where its usefulness is limited, and for
curses, where it is more needed and also more fully functional.
The interface can either prompt for one keystroke, act upon it,
and return to normal play, or it can loop for multiple keystrokes
until player types <return> or <escape>.  X11 does the former if
the 'slow' application resource is False so that prompting uses
popups, and the latter when 'slow' is True where prompting is in
a fixed spot and doesn't end up causing the persistent inventory
window to be stacked behind the map window.  curses always does
the loop-until-done approach.  It also accepts up and down arrow
keys to scroll one line at a time.

Also adds two new menu scrolling commands, menu_shift_right (key
'}' by default) and menu_shift_left ('{') if wincap2 flags contain
WC2_MENU_SHIFT.  Shifting allows different substrings of too-long
lines to be seen.

For X11, neither works because their handling requires a horizontal
scrollbar and for some reason that escapes me our menus don't have
one of those.  If they did, shifts could work for all menus but a
shifted window would hide the selection letters.  So shifting would
be most usefully done as:  pan right, read more of any long lines,
immediately pan back to the left.

For curses, they only apply to the persistent inventory window.
Shift right redraws it with class headers and inventory letters
shown normally but the item descriptions omit their leftmost
portion, showing more text towards the end.  Shift left reverses
that and does nothing if the beginning is already in view.  Forward
and backward scrolling while shifted leave the shift in place.
2021-03-13 18:18:53 -08:00

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/* NetHack 3.7 wintype.h $NHDT-Date: 1596498573 2020/08/03 23:49:33 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.23 $ */
/* Copyright (c) David Cohrs, 1991 */
/* NetHack may be freely redistributed. See license for details. */
#ifndef WINTYPE_H
#define WINTYPE_H
typedef int winid; /* a window identifier */
/* generic parameter - must not be any larger than a pointer */
typedef union any {
genericptr_t a_void;
struct obj *a_obj;
struct monst *a_monst;
int a_int;
char a_char;
schar a_schar;
uchar a_uchar;
unsigned int a_uint;
long a_long;
unsigned long a_ulong;
int *a_iptr;
long *a_lptr;
unsigned long *a_ulptr;
unsigned *a_uptr;
const char *a_string;
int (*a_nfunc)(void);
unsigned long a_mask32; /* used by status highlighting */
/* add types as needed */
} anything;
#define ANY_P union any /* avoid typedef in prototypes */
/* (buggy old Ultrix compiler) */
/* symbolic names for the data types housed in anything */
enum any_types {
ANY_VOID = 1,
ANY_OBJ, /* struct obj */
ANY_MONST, /* struct monst (not used) */
ANY_INT, /* int */
ANY_CHAR, /* char */
ANY_UCHAR, /* unsigned char */
ANY_SCHAR, /* signed char */
ANY_UINT, /* unsigned int */
ANY_LONG, /* long */
ANY_ULONG, /* unsigned long */
ANY_IPTR, /* pointer to int */
ANY_UPTR, /* pointer to unsigned int */
ANY_LPTR, /* pointer to long */
ANY_ULPTR, /* pointer to unsigned long */
ANY_STR, /* pointer to null-terminated char string */
ANY_NFUNC, /* pointer to function taking no args, returning int */
ANY_MASK32 /* 32-bit mask (stored as unsigned long) */
};
/* glyph plus additional info
if you add fields or change the ordering, fix up the following:
g_info initialization in display.c
nul_glyphinfo initialization in decl.c
*/
typedef struct gi {
int glyph; /* the display entity */
int color; /* color for window ports not using a tile */
int ttychar; /* the character mapping for the original tty
interface. Most or all window ports wanted
and used this for various things so it is
provided in 3.7+ */
short int symidx; /* offset into syms array */
unsigned glyphflags; /* more detail about the nature of the entity */
} glyph_info;
#define GLYPH_INFO_P struct gi
/* menu return list */
typedef struct mi {
anything item; /* identifier */
long count; /* count */
unsigned itemflags; /* item flags */
} menu_item;
#define MENU_ITEM_P struct mi
/* select_menu() "how" argument types */
/* [MINV_PICKMASK in monst.h assumes these have values of 0, 1, 2] */
#define PICK_NONE 0 /* user picks nothing (display only) */
#define PICK_ONE 1 /* only pick one */
#define PICK_ANY 2 /* can pick any amount */
/* window types */
/* any additional port specific types should be defined in win*.h */
#define NHW_MESSAGE 1
#define NHW_STATUS 2
#define NHW_MAP 3
#define NHW_MENU 4
#define NHW_TEXT 5
/* attribute types for putstr; the same as the ANSI value, for convenience */
#define ATR_NONE 0
#define ATR_BOLD 1
#define ATR_DIM 2
#define ATR_ULINE 4
#define ATR_BLINK 5
#define ATR_INVERSE 7
/* not a display attribute but passed to putstr() as an attribute;
can be masked with one regular display attribute */
#define ATR_URGENT 16
#define ATR_NOHISTORY 32
/* nh_poskey() modifier types */
#define CLICK_1 1
#define CLICK_2 2
/* invalid winid */
#define WIN_ERR ((winid) -1)
/* menu window keyboard commands (may be mapped); menu_shift_right and
menu_shift_left are for interacting with persistent inventory window */
/* clang-format off */
#define MENU_FIRST_PAGE '^'
#define MENU_LAST_PAGE '|'
#define MENU_NEXT_PAGE '>'
#define MENU_PREVIOUS_PAGE '<'
#define MENU_SHIFT_RIGHT '}'
#define MENU_SHIFT_LEFT '{'
#define MENU_SELECT_ALL '.'
#define MENU_UNSELECT_ALL '-'
#define MENU_INVERT_ALL '@'
#define MENU_SELECT_PAGE ','
#define MENU_UNSELECT_PAGE '\\'
#define MENU_INVERT_PAGE '~'
#define MENU_SEARCH ':'
#define MENU_ITEMFLAGS_NONE 0x0000000U
#define MENU_ITEMFLAGS_SELECTED 0x0000001U
#define MENU_ITEMFLAGS_SKIPINVERT 0x0000002U
/* 3.7+ enhanced menu flags that not all window ports are likely to
* support initially.
*
* As behavior and appearance modification flags are added, the various
* individual window ports will likely have to be updated to respond
* to the flags in an appropriate way.
*/
#define MENU_BEHAVE_STANDARD 0x0000000U
/* clang-format on */
#endif /* WINTYPE_H */
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