mirror of
https://github.com/vivier/EMILE.git
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95 lines
1.6 KiB
C
95 lines
1.6 KiB
C
/*
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*
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* (c) 2007 Laurent Vivier <Laurent@lvivier.info>
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include "libui.h"
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static int display_list(emile_window_t *win, emile_list_t *list, int base)
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{
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int i, j;
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for (i = 0; i < win->h; i++)
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{
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console_set_cursor_position(win->l + i, win->c);
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if (i + base < list->nb)
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{
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char* current = list->item[i + base];
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int len = strlen(current);
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if ( (i + base) == list->current)
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console_video_inverse();
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for (j = 0; j < win->w; j++)
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{
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if (j < len)
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putchar(current[j]);
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else
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putchar(' ');
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}
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console_video_normal();
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}
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else
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for (j = 0; j < win->w; j++)
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putchar(' ');
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}
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return list->current;
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}
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int emile_scrolllist(emile_window_t *win, emile_list_t *list, int timeout)
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{
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char c;
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int base = 0;
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int saved_wait = wait_char;
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console_cursor_off();
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emile_window(win);
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display_list(win, list, base);
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if (timeout && !console_keypressed(timeout * 60))
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return '\r';
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wait_char = 1;
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while(1)
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{
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console_keypressed(0);
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c = console_getchar();
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if (c == -1)
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break;
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if (c == 0)
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continue;
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if (c == '\033')
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{
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c = console_getchar();
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if (c != '[')
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{
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c = '\033';
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goto out;
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}
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c = console_getchar();
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if ( (c == 'B') && (list->current < list->nb - 1) )
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{
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list->current++;
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if (list->current > win->h - 1)
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base = list->current - win->h + 1;
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}
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else if ( (c == 'A') && (list->current > 0) )
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{
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list->current--;
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if (list->current < base)
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base--;
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}
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display_list(win, list, base);
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}
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else
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break;
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}
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out:
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wait_char = saved_wait;
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return c;
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}
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