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Ctrl_EditBox.c
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Ctrl_EditBox.c
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/*
Copyright (C) 2011 azazello
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "quakedef.h"
#include "utils.h"
#include "Ctrl_EditBox.h"
#include "keys.h"
char buf[MAX_EDITTEXT+1];
void CEditBox_Init(CEditBox *e, int width, int max)
{
e->width = width;
e->max = max;
e->pos = 0;
e->disp = 0;
e->text[0] = 0;
}
void CEditBox_Draw(CEditBox *e, int x, int y, qbool active)
{
while (e->pos > e->disp + e->width - 1)
e->disp ++;
if (e->disp > e->pos)
e->disp = e->pos;
if (e->disp > strlen(e->text) - e->width + 1)
e->disp = strlen(e->text) - e->width + 1;
// if (e->disp < 0)
// e->disp = 0;
snprintf(buf, sizeof (buf), "%-*.*s", e->width, e->width, active ? e->text+e->disp : e->text);
Draw_String(x, y, buf);
if (active)
Draw_Character(x+8*(e->pos-e->disp), y, 10+((int)(cls.realtime*4)&1));
}
void CEditBox_Key(CEditBox *e, int key, wchar unichar)
{
switch (key) {
case K_LEFTARROW:
if (e->pos != 0) {
e->pos--;
}
break;
case K_RIGHTARROW:
e->pos++;
break;
case K_HOME:
e->pos = 0;
break;
case K_END:
e->pos = strlen(e->text);
break;
case K_DEL:
if (e->pos < strlen(e->text))
memmove(e->text + e->pos,
e->text + e->pos + 1,
strlen(e->text + e->pos + 1) + 1);
break;
case K_BACKSPACE:
if (e->pos > 0) {
memmove(e->text + e->pos - 1,
e->text + e->pos,
strlen(e->text + e->pos) + 1);
e->pos --;
}
break;
case 'v':
case 'V':
if (keydown[K_CTRL]) {
int len;
char *clip = ReadFromClipboard();
len = min(strlen(clip), e->max - strlen(e->text));
if (len > 0) {
memmove(e->text + e->pos + len,
e->text + e->pos,
strlen(e->text + e->pos) + 1);
memcpy(e->text + e->pos, clip, len);
e->pos += len;
}
}
break;
}
e->pos = max(e->pos, 0);
e->pos = min(e->pos, strlen(e->text));
if (!keydown[K_CTRL] &&
key >= ' ' && key <= '}' &&
strlen(e->text) < e->max)
{
memmove(e->text + e->pos + 1,
e->text + e->pos,
strlen(e->text + e->pos) + 1);
e->text[e->pos] = unichar;
e->pos++;
}
}