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