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/* $OpenBSD: tty_display.h,v 1.1 1999/01/18 19:10:27 millert Exp $ */
/****************************************************************************
* Copyright (c) 1998 Free Software Foundation, Inc. *
* *
* 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, distribute with modifications, 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 or substantial portions of the Software. *
* *
* 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 ABOVE COPYRIGHT HOLDERS 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. *
* *
* Except as contained in this notice, the name(s) of the above copyright *
* holders shall not be used in advertising or otherwise to promote the *
* sale, use or other dealings in this Software without prior written *
* authorization. *
************************************************************************** */
#ifndef TTY_DISPLAY_H
#define TTY_DISPLAY_H 1
extern bool _nc_tty_beep(void);
extern bool _nc_tty_check_resize(void);
extern bool _nc_tty_cursor(int);
extern bool _nc_tty_flash(void);
extern bool _nc_tty_init_color(int,int,int,int);
extern bool _nc_tty_init_pair(int,int,int);
extern bool _nc_tty_slk_hide(bool);
extern bool _nc_tty_slk_update(int,const char *);
extern bool _nc_tty_start_color(void);
extern void _nc_tty_display_resume(void);
extern void _nc_tty_display_suspend(void);
extern void _nc_tty_dispose(void); /* frees SP->_term */
extern void _nc_tty_switch_to(void);
extern void _nc_tty_update(void);
struct tty_display_data {
int _fifohold; /* set if breakout marked */
unsigned long _current_attr; /* terminal attribute current set */
int _cursrow; /* physical cursor row (-1=unknown) */
int _curscol; /* physical cursor column */
/* cursor movement costs; units are 10ths of milliseconds */
int _char_padding; /* cost of character put */
int _cr_cost; /* cost of (carriage_return) */
int _cup_cost; /* cost of (cursor_address) */
int _home_cost; /* cost of (cursor_home) */
int _ll_cost; /* cost of (cursor_to_ll) */
#if USE_HARD_TABS
int _ht_cost; /* cost of (tab) */
int _cbt_cost; /* cost of (backtab) */
#endif /* USE_HARD_TABS */
int _cub1_cost; /* cost of (cursor_left) */
int _cuf1_cost; /* cost of (cursor_right) */
int _cud1_cost; /* cost of (cursor_down) */
int _cuu1_cost; /* cost of (cursor_up) */
int _cub_cost; /* cost of (parm_cursor_left) */
int _cuf_cost; /* cost of (parm_cursor_right) */
int _cud_cost; /* cost of (parm_cursor_down) */
int _cuu_cost; /* cost of (parm_cursor_up) */
int _hpa_cost; /* cost of (column_address) */
int _vpa_cost; /* cost of (row_address) */
/* used in lib_doupdate.c, must be chars */
int _ed_cost; /* cost of (clr_eos) */
int _el_cost; /* cost of (clr_eol) */
int _el1_cost; /* cost of (clr_bol) */
int _dch1_cost; /* cost of (delete_character) */
int _ich1_cost; /* cost of (insert_character) */
int _dch_cost; /* cost of (parm_dch) */
int _ich_cost; /* cost of (parm_ich) */
int _ech_cost; /* cost of (erase_chars) */
int _rep_cost; /* cost of (repeat_char) */
int _hpa_ch_cost; /* cost of (column_address) */
int _cup_ch_cost; /* cost of (cursor_address) */
int _smir_cost; /* cost of (enter_insert_mode) */
int _rmir_cost; /* cost of (exit_insert_mode) */
int _ip_cost; /* cost of (insert_padding) */
/* used in lib_mvcur.c */
char * _address_cursor;
int _carriage_return_length;
int _cursor_home_length;
int _cursor_to_ll_length;
chtype _xmc_suppress; /* attributes to suppress if xmc */
chtype _xmc_triggers; /* attributes to process if xmc */
bool _sig_winch;
};
#define DelCharCost(count) \
((parm_dch != 0) \
? D->_dch_cost \
: ((delete_character != 0) \
? (D->_dch1_cost * count) \
: INFINITY))
#define InsCharCost(count) \
((parm_ich != 0) \
? D->_ich_cost \
: ((enter_insert_mode && exit_insert_mode) \
? D->_smir_cost + D->_rmir_cost + (D->_ip_cost * count) \
: ((insert_character != 0) \
? (D->_ich1_cost * count) \
: INFINITY)))
#if USE_XMC_SUPPORT
#define UpdateAttrs(c) if (D->_current_attr != AttrOf(c)) { \
attr_t chg = D->_current_attr; \
vidattr(AttrOf(c)); \
if (magic_cookie_glitch > 0 \
&& XMC_CHANGES((chg ^ D->_current_attr))) { \
T(("%s @%d before glitch %d,%d", \
__FILE__, __LINE__, \
D->_cursrow, \
D->_curscol)); \
_nc_do_xmc_glitch(chg); \
} \
}
#else
#define UpdateAttrs(c) if (D->_current_attr != AttrOf(c)) \
vidattr(AttrOf(c));
#endif
/*
* Check whether the given character can be output by clearing commands. This
* includes test for being a space and not including any 'bad' attributes, such
* as A_REVERSE. All attribute flags which don't affect appearance of a space
* or can be output by clearing (A_COLOR in case of bce-terminal) are excluded.
*/
#define can_clear_with(ch) \
((ch & ~(NONBLANK_ATTR|(back_color_erase ? A_COLOR:0))) == BLANK)
#define XMC_CHANGES(c) ((c) & D->_xmc_suppress)
#endif /* TTY_DISPLAY_H */
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