diff options
Diffstat (limited to 'contrib/ncurses/ncurses/tty/tty_display.h')
| -rw-r--r-- | contrib/ncurses/ncurses/tty/tty_display.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/contrib/ncurses/ncurses/tty/tty_display.h b/contrib/ncurses/ncurses/tty/tty_display.h new file mode 100644 index 000000000000..1bc0d2d9dc42 --- /dev/null +++ b/contrib/ncurses/ncurses/tty/tty_display.h @@ -0,0 +1,146 @@ +/**************************************************************************** + * 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 */ |