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Rev Author Line No. Line
3225 leency 1 
//list_box
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struct llist
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{
4049 leency 5 
	int x, y, w, h, min_h, line_h;
3225 leency 6 
	int count, visible, first, current;
4049 leency 7 
	int current_temp;
3225 leency 8 
	void ClearList();
4073 leency 9 
	int ProcessKey(dword key);
4077 leency 10 
	int MouseOver(int xx, yy);
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	int ProcessMouse(int xx, yy);
4059 leency 12 
	int KeyDown();
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	int KeyUp();
4063 leency 14 
	int KeyHome();
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	int KeyEnd();
3225 leency 16 
	void SetSizes(int xx, yy, ww, hh, min_hh, line_hh);
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	int MouseScroll(dword scroll_state);
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};
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void llist::ClearList()
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{
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	count = visible = first = current = 0;
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}
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void llist::SetSizes(int xx, yy, ww, hh, min_hh, line_hh)
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{
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	x = xx;
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	y = yy;
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	w = ww;
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	h = hh;
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	min_h = min_hh;
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	line_h = line_hh;
3368 leency 35 
	visible = h / line_h;
3225 leency 36 
}
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int llist::MouseScroll(dword scroll_state)
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{
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	if (scroll_state == 65535)
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	{
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		if (first == 0) return 0;
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		if (first > 3) first -= 2; else first=0;
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		return 1;
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	}
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	if (scroll_state == 1)
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	{
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		if (visible+first+3 >= count) first = count - visible; else first+=2;
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		return 1;
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	}
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	return 0;
4059 leency 53 
}
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4077 leency 55 
int llist::MouseOver(int xx, yy)
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{
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	if (xx>x) && (xxy) && (yy
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	return 0;
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}
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int llist::ProcessMouse(int xx, yy)
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{
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	if (MouseOver(xx, yy))
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	{
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		current_temp = yy - y / line_h + first;
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		if (current_temp != current)
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		{
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			current = current_temp;
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			return 1;
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		}
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	}
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	return 0;
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}
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4073 leency 75 
int llist::ProcessKey(dword key)
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{
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	switch(key)
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	{
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		case 177: return KeyDown();
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		case 178: return KeyUp();
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		case 180: return KeyHome();
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		case 181: return KeyEnd();
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	}
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	return 0;
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}
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4059 leency 87 
int llist::KeyDown()
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{
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	if (current-first+1
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	{
4063 leency 91 
		if (current+1>=count) return 0;
4059 leency 92 
		current++;
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	}
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	else
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	{
4063 leency 96 
		if (visible+first>=count) return 0;
4059 leency 97 
		first++;
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		current++;
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	}
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	return 1;
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}
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int llist::KeyUp()
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{
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	if (current>first)
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	{
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		current--;
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	}
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	else
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	{
4063 leency 111 
		if (first==0) return 0;
4059 leency 112 
		first--;
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		current--;
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	}
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	return 1;
4063 leency 116 
}
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int llist::KeyHome()
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{
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	if (current==0) && (first==0) return 0;
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	current=0;
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	first=0;
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	return 1;
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}
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int llist::KeyEnd()
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{
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	if (current==count-1) && (first==count-visible) return 0;
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	current=count-1;
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	first=count-visible;
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	return 1;
3225 leency 132 
}