1.1 --- a/src/input.c Mon Apr 07 14:08:57 2014 +0200
1.2 +++ b/src/input.c Mon Apr 07 17:39:46 2014 +0200
1.3 @@ -28,7 +28,6 @@
1.4 */
1.5
1.6 #include "input.h"
1.7 -#include <ncurses.h>
1.8
1.9 void init_colorpairs() {
1.10 init_pair(COL_YB, COLOR_YELLOW, COLOR_BLUE);
1.11 @@ -48,3 +47,52 @@
1.12
1.13 return ch == 'y';
1.14 }
1.15 +
1.16 +/**
1.17 + * Asynchronous variant of getnstr().
1.18 + *
1.19 + * Needs halfdelay mode enabled!
1.20 + *
1.21 + * Warning: you must not call this function for reading into two separate
1.22 + * buffers at the same time.
1.23 + *
1.24 + * Attention: the first byte of the buffer must be zero at the first call, so
1.25 + * the buffer pointer is initialized correctly.
1.26 + *
1.27 + * @param w the window
1.28 + * @param y the window y position
1.29 + * @param x the window x position
1.30 + * @param str the buffer for the read string
1.31 + * @param len the length of the buffer
1.32 + * @return 0 if reading is in progress and 1 when a complete line is read
1.33 + */
1.34 +int mvwasyncgetnstr(WINDOW* w, int y, int x, char *str, size_t len) {
1.35 + static size_t pos = 0;
1.36 +
1.37 + if (*str == '\0') {
1.38 + pos = 0;
1.39 + }
1.40 +
1.41 + mvwaddstr(w,y, x, str);
1.42 + wrefresh(w);
1.43 + int c = wgetch(w);
1.44 +
1.45 + if (c != ERR) {
1.46 + switch (c) {
1.47 + case '\n':
1.48 + str[pos] = '\0';
1.49 + pos = 0;
1.50 + return 1;
1.51 + case KEY_BACKSPACE:
1.52 + case KEY_LEFT:
1.53 + str[--pos] = '\0';
1.54 + break;
1.55 + default:
1.56 + if (c < 255 && pos < len-1) {
1.57 + str[pos++] = (char) c;
1.58 + }
1.59 + }
1.60 + }
1.61 +
1.62 + return 0;
1.63 +}
