[Bug 24514] LVM_SUBITEMHITTEST fails on Chinese and Japanese Versions of XP

wine-bugs at winehq.org wine-bugs at winehq.org
Sat Sep 25 16:49:54 CDT 2010


http://bugs.winehq.org/show_bug.cgi?id=24514

--- Comment #1 from Nikolay Sivov <bunglehead at gmail.com> 2010-09-25 16:49:53 CDT ---
(In reply to comment #0)
> In the test_hittest function for the listview test the following test fails for
> the Chinese and Japanese versions on the test bot:
> 
> /* subitem returned with -1 item too */
> x = pos.x + 150;
> y = -10;
> test_lvm_subitemhittest(hwnd, x, y, -1, 1, LVHT_NOWHERE, FALSE, FALSE, FALSE);
> 
> The failures read:
> 
> listview.c:3056: Test failed: Expected -1 retval, got -2
> listview.c:3056: Test failed: Expected -1 item, got -2
> listview.c:3056: Test failed: Expected flags 0x1, got 0x4
> 
> This basically says that the message returned -2 (undocumented ?) and set the
> flags to LVHT_ONITEMLABEL.
> 
> Is y = -10 relative to the control client area or the parent window?  How can
> you be on the item label in either case? 

It's control area coordinate. Logically it can't be on label, but calculation
code doesn't care, I imagine something like diving y coordinate by item height
value.

> Should the above values be added as
> successes to this test?

I don't think so. We need to make 'y' depend on item height (that depends on
used font and styles).

P.S. I did some test with Control Spy - it's not an Asian system specific. You
could see on it on any system I think. All you need is 'x' to be in subitem and
small enough 'y' value. Let's say for (100, -200) in Control Spy example I get
'-11' as a return value and same '-11' in a structure. So this is clearly
undocumented behaviour, even documentation is broken.

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