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/*
* input libcaca text input test program
* Copyright (c) 2006 Sam Hocevar <sam@zoy.org>
* All Rights Reserved
*
* $Id: input.c 1026 2006-11-11 16:29:39Z sam $
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the Do What The Fuck You Want To
* Public License, Version 2, as published by Sam Hocevar. See
* http://sam.zoy.org/wtfpl/COPYING for more details.
*/
#include "config.h"
#include "common.h"
#if !defined(__KERNEL__)
# if defined(HAVE_INTTYPES_H)
# include <inttypes.h>
# endif
# include <string.h>
#endif
#include "cucul.h"
#include "caca.h"
#define BUFFER_SIZE 75
#define TEXT_ENTRIES 5
typedef struct textentry
{
uint32_t buffer[BUFFER_SIZE + 1];
unsigned int size, cursor;
} textentry;
int main(int argc, char *argv[])
{
textentry entries[TEXT_ENTRIES];
cucul_canvas_t *cv;
caca_display_t *dp;
unsigned int i, e = 0, running = 1;
cv = cucul_create_canvas(0, 0);
dp = caca_create_display(cv);
cucul_set_color_ansi(cv, CUCUL_WHITE, CUCUL_BLUE);
cucul_put_str(cv, 1, 1, "Text entries - press tab to cycle");
for(i = 0; i < TEXT_ENTRIES; i++)
{
entries[i].buffer[0] = 0;
entries[i].size = 0;
entries[i].cursor = 0;
}
while(running)
{
caca_event_t ev;
for(i = 0; i < TEXT_ENTRIES; i++)
{
unsigned int j, start, size;
cucul_set_color_ansi(cv, CUCUL_BLACK, CUCUL_LIGHTGRAY);
cucul_fill_box(cv, 2, 3 * i + 4, 2 + BUFFER_SIZE, 3 * i + 4, ' ');
start = 0;
size = entries[i].size;
for(j = 0; j < size; j++)
{
cucul_put_char(cv, 2 + j, 3 * i + 4,
entries[i].buffer[start + j]);
}
}
/* Put the cursor on the active textentry */
cucul_set_color_ansi(cv, CUCUL_LIGHTRED, CUCUL_LIGHTRED);
cucul_put_char(cv, 2 + entries[e].cursor, 3 * e + 4, ' ');
caca_refresh_display(dp);
if(caca_get_event(dp, CACA_EVENT_KEY_PRESS, &ev, -1) == 0)
continue;
switch(ev.data.key.ch)
{
case CACA_KEY_ESCAPE:
running = 0;
break;
case CACA_KEY_TAB:
case CACA_KEY_RETURN:
e = (e + 1) % TEXT_ENTRIES;
break;
case CACA_KEY_HOME:
entries[e].cursor = 0;
break;
case CACA_KEY_END:
entries[e].cursor = entries[e].size;
break;
case CACA_KEY_LEFT:
if(entries[e].cursor)
entries[e].cursor--;
break;
case CACA_KEY_RIGHT:
if(entries[e].cursor < entries[e].size)
entries[e].cursor++;
break;
case CACA_KEY_DELETE:
if(entries[e].cursor < entries[e].size)
{
memmove(entries[e].buffer + entries[e].cursor,
entries[e].buffer + entries[e].cursor + 1,
(entries[e].size - entries[e].cursor + 1) * 4);
entries[e].size--;
}
break;
case CACA_KEY_BACKSPACE:
if(entries[e].cursor)
{
memmove(entries[e].buffer + entries[e].cursor - 1,
entries[e].buffer + entries[e].cursor,
(entries[e].size - entries[e].cursor) * 4);
entries[e].size--;
entries[e].cursor--;
}
break;
default:
if(entries[e].size < BUFFER_SIZE)
{
memmove(entries[e].buffer + entries[e].cursor + 1,
entries[e].buffer + entries[e].cursor,
(entries[e].size - entries[e].cursor) * 4);
entries[e].buffer[entries[e].cursor] = ev.data.key.utf32;
entries[e].size++;
entries[e].cursor++;
}
break;
}
}
caca_free_display(dp);
cucul_free_canvas(cv);
return 0;
}
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