universe@3: /*
universe@3:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
universe@3:  *
universe@3:  * Copyright 2014 Mike Becker. All rights reserved.
universe@3:  *
universe@3:  * Redistribution and use in source and binary forms, with or without
universe@3:  * modification, are permitted provided that the following conditions are met:
universe@3:  *
universe@3:  *   1. Redistributions of source code must retain the above copyright
universe@3:  *      notice, this list of conditions and the following disclaimer.
universe@3:  *
universe@3:  *   2. Redistributions in binary form must reproduce the above copyright
universe@3:  *      notice, this list of conditions and the following disclaimer in the
universe@3:  *      documentation and/or other materials provided with the distribution.
universe@3:  *
universe@3:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
universe@3:  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
universe@3:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
universe@3:  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
universe@3:  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
universe@3:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
universe@3:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
universe@3:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
universe@3:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
universe@3:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
universe@3:  * POSSIBILITY OF SUCH DAMAGE.
universe@3:  *
universe@3:  */
universe@3: 
universe@3: #include "input.h"
universe@3: 
universe@7: void init_colorpairs() {
universe@7:     init_pair(COL_YB, COLOR_YELLOW, COLOR_BLUE);
universe@7:     init_pair(COL_BW, COLOR_BLACK, COLOR_WHITE);
universe@7:     init_pair(COL_WB, COLOR_WHITE, COLOR_BLACK);
universe@7: }
universe@7: 
universe@7: int prompt_yesno(char *msg) {
universe@7:     printw("%s (y/n)? ", msg);
universe@7:     refresh();
universe@3:     noecho();
universe@3:     int ch;
universe@3:     do {
universe@3:         ch = getch();
universe@3:     } while (ch != 'y' && ch != 'n');
universe@3:     echo();
universe@3:     
universe@3:     return ch == 'y';
universe@3: }
universe@30: 
universe@30: /**
universe@30:  * Asynchronous variant of getnstr().
universe@30:  * 
universe@30:  * Needs halfdelay mode enabled!
universe@30:  * 
universe@30:  * Warning: you must not call this function for reading into two separate
universe@30:  * buffers at the same time.
universe@30:  * 
universe@30:  * Attention: the first byte of the buffer must be zero at the first call, so
universe@30:  * the buffer pointer is initialized correctly.
universe@30:  * 
universe@30:  * @param w the window
universe@30:  * @param y the window y position
universe@30:  * @param x the window x position
universe@30:  * @param str the buffer for the read string
universe@30:  * @param len the length of the buffer
universe@30:  * @return 0 if reading is in progress and 1 when a complete line is read
universe@30:  */
universe@30: int mvwasyncgetnstr(WINDOW* w, int y, int x, char *str, size_t len) {
universe@30:     static size_t pos = 0;
universe@30:     
universe@30:     if (*str == '\0') {
universe@30:         pos = 0;
universe@30:     }
universe@30:     
universe@30:     mvwaddstr(w,y, x, str);
universe@30:     wrefresh(w);
universe@30:     int c = wgetch(w);
universe@30: 
universe@30:     if (c != ERR) {
universe@30:         switch (c) {
universe@30:         case '\n':
universe@30:             str[pos] = '\0';
universe@30:             pos = 0;
universe@30:             return 1;
universe@30:         case KEY_BACKSPACE:
universe@30:         case KEY_LEFT:
universe@30:             str[--pos] = '\0';
universe@30:             break;
universe@30:         default:
universe@30:             if (c < 255 && pos < len-1) {
universe@30:                 str[pos++] = (char) c;
universe@30:             }
universe@30:         }
universe@30:     }
universe@30:     
universe@30:     return 0;
universe@30: }