1 /**************************************************************************** 2 * Copyright (c) 2002-2009,2010 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29 /**************************************************************************** 30 * Author: Thomas Dickey 2002 * 31 ****************************************************************************/ 32 33 /* 34 ** lib_ins_wch.c 35 ** 36 ** The routine wins_wch(). 37 ** 38 */ 39 40 #include <curses.priv.h> 41 42 MODULE_ID("$Id: lib_ins_wch.c,v 1.16 2010/12/19 01:34:04 tom Exp $") 43 44 /* 45 * Insert the given character, updating the current location to simplify 46 * inserting a string. 47 */ 48 NCURSES_EXPORT(int) 49 _nc_insert_wch(WINDOW *win, const cchar_t *wch) 50 { 51 int cells = wcwidth(CharOf(CHDEREF(wch))); 52 int cell; 53 int code = OK; 54 55 if (cells < 0) { 56 code = winsch(win, (chtype) CharOf(CHDEREF(wch))); 57 } else { 58 if (cells == 0) 59 cells = 1; 60 61 if (win->_curx <= win->_maxx) { 62 struct ldat *line = &(win->_line[win->_cury]); 63 NCURSES_CH_T *end = &(line->text[win->_curx]); 64 NCURSES_CH_T *temp1 = &(line->text[win->_maxx]); 65 NCURSES_CH_T *temp2 = temp1 - cells; 66 67 CHANGED_TO_EOL(line, win->_curx, win->_maxx); 68 while (temp1 > end) 69 *temp1-- = *temp2--; 70 71 *temp1 = _nc_render(win, *wch); 72 for (cell = 1; cell < cells; ++cell) { 73 SetWidecExt(temp1[cell], cell); 74 } 75 76 win->_curx++; 77 } 78 } 79 return code; 80 } 81 82 NCURSES_EXPORT(int) 83 wins_wch(WINDOW *win, const cchar_t *wch) 84 { 85 NCURSES_SIZE_T oy; 86 NCURSES_SIZE_T ox; 87 int code = ERR; 88 89 T((T_CALLED("wins_wch(%p, %s)"), (void *) win, _tracecchar_t(wch))); 90 91 if (win != 0) { 92 oy = win->_cury; 93 ox = win->_curx; 94 95 code = _nc_insert_wch(win, wch); 96 97 win->_curx = ox; 98 win->_cury = oy; 99 _nc_synchook(win); 100 } 101 returnCode(code); 102 } 103 104 NCURSES_EXPORT(int) 105 wins_nwstr(WINDOW *win, const wchar_t *wstr, int n) 106 { 107 int code = ERR; 108 NCURSES_SIZE_T oy; 109 NCURSES_SIZE_T ox; 110 const wchar_t *cp; 111 112 T((T_CALLED("wins_nwstr(%p,%s,%d)"), 113 (void *) win, _nc_viswbufn(wstr, n), n)); 114 115 if (win != 0 116 && wstr != 0) { 117 if (n < 1) 118 n = (int) wcslen(wstr); 119 code = OK; 120 if (n > 0) { 121 SCREEN *sp = _nc_screen_of(win); 122 123 oy = win->_cury; 124 ox = win->_curx; 125 for (cp = wstr; *cp && ((cp - wstr) < n); cp++) { 126 int len = wcwidth(*cp); 127 128 if ((len >= 0 && len != 1) || !is7bits(*cp)) { 129 cchar_t tmp_cchar; 130 wchar_t tmp_wchar = *cp; 131 memset(&tmp_cchar, 0, sizeof(tmp_cchar)); 132 (void) setcchar(&tmp_cchar, 133 &tmp_wchar, 134 WA_NORMAL, 135 0, 136 (void *) 0); 137 code = _nc_insert_wch(win, &tmp_cchar); 138 } else { 139 /* tabs, other ASCII stuff */ 140 code = _nc_insert_ch(sp, win, (chtype) (*cp)); 141 } 142 if (code != OK) 143 break; 144 } 145 146 win->_curx = ox; 147 win->_cury = oy; 148 _nc_synchook(win); 149 } 150 } 151 returnCode(code); 152 } 153