U++ framework: LineEdit, EditFields, DocEdit » [SECURITY] Drag-n-drop enabled in password fields

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[SECURITY] Drag-n-drop enabled in password fields [message #29103]

Tue, 05 October 2010 10:43

Shire
Messages: 41
Registered: September 2006
Location: Russia, Yamal peninsula

Member

In password fields drag and drop text is enabled by default. When dragging text, password shows in sample picture.
This must be disabled by additional check in

void EditField::LeftDrag(Point p, dword flags)
{
+	if(password) return;

Also EditField::GetCursor() can be rewritten for proper selection:

int  EditField::GetCursor(int posx)
{
	posx -= 2;
	if(posx <= 0) return 0;

	FontInfo fi = font.Info();
	int count = text.GetLength();
	if(password)
		return min((posx + fi['*'] / 2) / fi['*'], count);

	int x = 0;
	const wchar *s = text;
	int i = 0;
	while(i < count)
	{
		int witdh = fi[*s];
		if(posx < x + witdh / 2)
			break;
		x += witdh;
		s++; i++;
	}
	return i;
}

Some methods (GetTextCx(), Paints()) have argument 'password'. For what?

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