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/**************************************************************************** * Copyright (c) 2009-2010,2012 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. * ****************************************************************************/ #define isQUIT(c) ((c) == QUIT || (c) == ESCAPE) #define key_RECUR CTRL('W') #define key_NEWLINE CTRL('N') #define key_BACKSPACE '\b' static FILE *linedata; static void failed(const char *s) { perror(s); ExitProgram(EXIT_FAILURE); } static void init_linedata(const char *name) { if ((linedata = fopen(name, "r")) == 0) { failed(name); } } static int read_linedata(WINDOW *work) { int result; if (linedata != 0) { result = fgetc(linedata); if (result == EOF) { fclose(linedata); linedata = 0; result = read_linedata(work); } else { wrefresh(work); if (result == '\n') { result = key_NEWLINE; } } } else { #ifdef WIDE_LINEDATA wint_t ch; int code; result = ERR; while ((code = wget_wch(work, &ch)) != ERR) { if (code == KEY_CODE_YES) { switch (ch) { case KEY_DOWN: result = key_NEWLINE; break; case KEY_BACKSPACE: result = key_BACKSPACE; break; default: beep(); continue; } } else { result = (int) ch; break; } } #else result = wgetch(work); #endif } return result; }
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