| Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame^] | 1 | /**************************************************************************** |
| 2 | * Copyright (c) 2002-2003,2005 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 1.8 2005/12/03 20:24:19 tom Exp $") |
| 43 | |
| 44 | /* |
| 45 | * Insert the given character, updating the current location to simplify |
| 46 | * inserting a string. |
| 47 | */ |
| 48 | static int |
| 49 | _nc_insert_wch(WINDOW *win, const cchar_t *wch) |
| 50 | { |
| 51 | int cells = wcwidth(CharOf(CHDEREF(wch))); |
| 52 | int cell; |
| 53 | |
| 54 | if (cells <= 0) |
| 55 | cells = 1; |
| 56 | |
| 57 | if (win->_curx <= win->_maxx) { |
| 58 | struct ldat *line = &(win->_line[win->_cury]); |
| 59 | NCURSES_CH_T *end = &(line->text[win->_curx]); |
| 60 | NCURSES_CH_T *temp1 = &(line->text[win->_maxx]); |
| 61 | NCURSES_CH_T *temp2 = temp1 - cells; |
| 62 | |
| 63 | CHANGED_TO_EOL(line, win->_curx, win->_maxx); |
| 64 | while (temp1 > end) |
| 65 | *temp1-- = *temp2--; |
| 66 | |
| 67 | *temp1 = _nc_render(win, *wch); |
| 68 | for (cell = 1; cell < cells; ++cell) { |
| 69 | SetWidecExt(temp1[cell], cell); |
| 70 | } |
| 71 | |
| 72 | win->_curx++; |
| 73 | } |
| 74 | return OK; |
| 75 | } |
| 76 | |
| 77 | NCURSES_EXPORT(int) |
| 78 | wins_wch(WINDOW *win, const cchar_t *wch) |
| 79 | { |
| 80 | NCURSES_SIZE_T oy; |
| 81 | NCURSES_SIZE_T ox; |
| 82 | int code = ERR; |
| 83 | |
| 84 | T((T_CALLED("wins_wch(%p, %s)"), win, _tracecchar_t(wch))); |
| 85 | |
| 86 | if (win != 0) { |
| 87 | oy = win->_cury; |
| 88 | ox = win->_curx; |
| 89 | |
| 90 | code = _nc_insert_wch(win, wch); |
| 91 | |
| 92 | win->_curx = ox; |
| 93 | win->_cury = oy; |
| 94 | _nc_synchook(win); |
| 95 | } |
| 96 | returnCode(code); |
| 97 | } |
| 98 | |
| 99 | NCURSES_EXPORT(int) |
| 100 | wins_nwstr(WINDOW *win, const wchar_t *wstr, int n) |
| 101 | { |
| 102 | int code = ERR; |
| 103 | NCURSES_SIZE_T oy; |
| 104 | NCURSES_SIZE_T ox; |
| 105 | const wchar_t *cp; |
| 106 | |
| 107 | T((T_CALLED("wins_nwstr(%p,%s,%d)"), win, _nc_viswbufn(wstr, n), n)); |
| 108 | |
| 109 | if (win != 0 |
| 110 | && wstr != 0) { |
| 111 | if (n < 1) |
| 112 | n = wcslen(wstr); |
| 113 | code = OK; |
| 114 | if (n > 0) { |
| 115 | oy = win->_cury; |
| 116 | ox = win->_curx; |
| 117 | for (cp = wstr; *cp && ((cp - wstr) < n); cp++) { |
| 118 | int len = wcwidth(*cp); |
| 119 | |
| 120 | if (len != 1 || !is8bits(*cp)) { |
| 121 | cchar_t tmp_cchar; |
| 122 | wchar_t tmp_wchar = *cp; |
| 123 | memset(&tmp_cchar, 0, sizeof(tmp_cchar)); |
| 124 | (void) setcchar(&tmp_cchar, |
| 125 | &tmp_wchar, |
| 126 | WA_NORMAL, |
| 127 | 0, |
| 128 | (void *) 0); |
| 129 | code = _nc_insert_wch(win, &tmp_cchar); |
| 130 | } else { |
| 131 | /* tabs, other ASCII stuff */ |
| 132 | code = _nc_insert_ch(win, (chtype) (*cp)); |
| 133 | } |
| 134 | if (code != OK) |
| 135 | break; |
| 136 | } |
| 137 | |
| 138 | win->_curx = ox; |
| 139 | win->_cury = oy; |
| 140 | _nc_synchook(win); |
| 141 | } |
| 142 | } |
| 143 | returnCode(code); |
| 144 | } |