diff options
Diffstat (limited to 'ncurses-5.9/ncurses/widechar/lib_ins_wch.c')
| -rw-r--r-- | ncurses-5.9/ncurses/widechar/lib_ins_wch.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/ncurses-5.9/ncurses/widechar/lib_ins_wch.c b/ncurses-5.9/ncurses/widechar/lib_ins_wch.c new file mode 100644 index 0000000..f330636 --- /dev/null +++ b/ncurses-5.9/ncurses/widechar/lib_ins_wch.c @@ -0,0 +1,152 @@ +/**************************************************************************** + * Copyright (c) 2002-2009,2010 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. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Thomas Dickey 2002 * + ****************************************************************************/ + +/* +** lib_ins_wch.c +** +** The routine wins_wch(). +** +*/ + +#include <curses.priv.h> + +MODULE_ID("$Id$") + +/* + * Insert the given character, updating the current location to simplify + * inserting a string. + */ +NCURSES_EXPORT(int) +_nc_insert_wch(WINDOW *win, const cchar_t *wch) +{ + int cells = wcwidth(CharOf(CHDEREF(wch))); + int cell; + int code = OK; + + if (cells < 0) { + code = winsch(win, (chtype) CharOf(CHDEREF(wch))); + } else { + if (cells == 0) + cells = 1; + + if (win->_curx <= win->_maxx) { + struct ldat *line = &(win->_line[win->_cury]); + NCURSES_CH_T *end = &(line->text[win->_curx]); + NCURSES_CH_T *temp1 = &(line->text[win->_maxx]); + NCURSES_CH_T *temp2 = temp1 - cells; + + CHANGED_TO_EOL(line, win->_curx, win->_maxx); + while (temp1 > end) + *temp1-- = *temp2--; + + *temp1 = _nc_render(win, *wch); + for (cell = 1; cell < cells; ++cell) { + SetWidecExt(temp1[cell], cell); + } + + win->_curx++; + } + } + return code; +} + +NCURSES_EXPORT(int) +wins_wch(WINDOW *win, const cchar_t *wch) +{ + NCURSES_SIZE_T oy; + NCURSES_SIZE_T ox; + int code = ERR; + + T((T_CALLED("wins_wch(%p, %s)"), (void *) win, _tracecchar_t(wch))); + + if (win != 0) { + oy = win->_cury; + ox = win->_curx; + + code = _nc_insert_wch(win, wch); + + win->_curx = ox; + win->_cury = oy; + _nc_synchook(win); + } + returnCode(code); +} + +NCURSES_EXPORT(int) +wins_nwstr(WINDOW *win, const wchar_t *wstr, int n) +{ + int code = ERR; + NCURSES_SIZE_T oy; + NCURSES_SIZE_T ox; + const wchar_t *cp; + + T((T_CALLED("wins_nwstr(%p,%s,%d)"), + (void *) win, _nc_viswbufn(wstr, n), n)); + + if (win != 0 + && wstr != 0) { + if (n < 1) + n = (int) wcslen(wstr); + code = OK; + if (n > 0) { + SCREEN *sp = _nc_screen_of(win); + + oy = win->_cury; + ox = win->_curx; + for (cp = wstr; *cp && ((cp - wstr) < n); cp++) { + int len = wcwidth(*cp); + + if ((len >= 0 && len != 1) || !is7bits(*cp)) { + cchar_t tmp_cchar; + wchar_t tmp_wchar = *cp; + memset(&tmp_cchar, 0, sizeof(tmp_cchar)); + (void) setcchar(&tmp_cchar, + &tmp_wchar, + WA_NORMAL, + 0, + (void *) 0); + code = _nc_insert_wch(win, &tmp_cchar); + } else { + /* tabs, other ASCII stuff */ + code = _nc_insert_ch(sp, win, (chtype) (*cp)); + } + if (code != OK) + break; + } + + win->_curx = ox; + win->_cury = oy; + _nc_synchook(win); + } + } + returnCode(code); +} |