kolibrios-fun/programs/cmm/lib/list_box.h
Kirill Lipatov (Leency) 8075b8b15d uploaded liza, deleted installer.lst
git-svn-id: svn://kolibrios.org@3368 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-12 16:19:10 +00:00

46 lines
780 B
C

//list_box
struct llist
{
int x, y, w, h, min_h;
int line_h;
int count, visible, first, current;
void ClearList();
void SetSizes(int xx, yy, ww, hh, min_hh, line_hh);
int MouseScroll(dword scroll_state);
};
void llist::ClearList()
{
count = visible = first = current = 0;
}
void llist::SetSizes(int xx, yy, ww, hh, min_hh, line_hh)
{
x = xx;
y = yy;
w = ww;
h = hh;
min_h = min_hh;
line_h = line_hh;
visible = h / line_h;
}
int llist::MouseScroll(dword scroll_state)
{
if (scroll_state == 65535)
{
if (first == 0) return 0;
if (first > 3) first -= 2; else first=0;
return 1;
}
if (scroll_state == 1)
{
if (visible+first+3 >= count) first = count - visible; else first+=2;
return 1;
}
return 0;
}