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#include <engine/e_client_interface.h>
#include <string.h> // strlen
#include "lineinput.hpp"
LINEINPUT::LINEINPUT()
{
clear();
}
void LINEINPUT::clear()
{
mem_zero(str, sizeof(str));
len = 0;
cursor_pos = 0;
}
void LINEINPUT::set(const char *string)
{
str_copy(str, string, sizeof(str));
len = strlen(str);
cursor_pos = len;
}
void LINEINPUT::process_input(INPUT_EVENT e)
{
if(cursor_pos > len)
cursor_pos = len;
char c = e.ch;
int k = e.key;
if (!(c >= 0 && c < 32))
{
if (len < sizeof(str) - 1 && cursor_pos < sizeof(str) - 1)
{
memmove(str + cursor_pos + 1, str + cursor_pos, len - cursor_pos + 1);
str[cursor_pos] = c;
cursor_pos++;
len++;
}
}
if(e.flags&INPFLAG_PRESS)
{
if (k == KEY_BACKSPACE && cursor_pos > 0)
{
memmove(str + cursor_pos - 1, str + cursor_pos, len - cursor_pos + 1);
cursor_pos--;
len--;
}
else if (k == KEY_DELETE && cursor_pos < len)
{
memmove(str + cursor_pos, str + cursor_pos + 1, len - cursor_pos);
len--;
}
else if (k == KEY_LEFT && cursor_pos > 0)
cursor_pos--;
else if (k == KEY_RIGHT && cursor_pos < len)
cursor_pos++;
else if (k == KEY_HOME)
cursor_pos = 0;
else if (k == KEY_END)
cursor_pos = len;
}
}
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