[Bug 1240] Nullsoft Installer has bad child window style on first screen
Wine Bugs
wine-bugs at winehq.com
Mon Jun 23 12:48:37 CDT 2003
http://bugs.winehq.com/show_bug.cgi?id=1240
------- Additional Comments From winebug at flonet.net 2003-23-06 12:48 -------
Bug comments restored from Gmane.org:
As shown in the URL image, what should be an invisible child window has the
WS_CAPTION style set.
trace:win:CreateWindowExW classname=#8002 stylehex=40c00440
trace:win:WIN_CreateWindowEx L"" L"#32770" ex=00000000 style=40c00440 -3,-22
456x253 parent=0x10021 menu=(nil) inst=0x400000 params=(nil)
trace:win:WIN_CreateWindowEx Styles before adjustment:
trace:win:dump_window_styles style: WS_CHILD WS_CAPTION 00000440
trace:win:dump_window_styles exstyle:
trace:win:WIN_CreateWindowEx winproc type is 3 (WIN_PROC_32W)
trace:class:CLASS_FindClassByAtom 0x00008002 0x400000
trace:class:CLASS_FindClassByAtom -- found global 0x40388118
0807a218:Call ntdll.RtlAllocateHeap(40360000,00000000,000000a2) ret=408be1fd
0807a218:Ret ntdll.RtlAllocateHeap() retval=403a0458 ret=408be1fd
trace:win:WIN_CreateWindowEx Styles after adjustment:
trace:win:dump_window_styles style: WS_CHILD WS_CAPTION 00000440
trace:win:dump_window_styles exstyle: WS_EX_WINDOWEDGE
trace:win:WIN_SetWindowLong 0x1002f -12 0 3
0807a218:Call x11drv.CreateWindow(0001002f,406b2884,00000001) ret=408bfffc
The app I'm testing with is at http://rhymbox.com/download/start.pl
The installer itself appears to set the WS_CAPTION flag when calling
CreateWindowEx. In Windows, spy++ shows that this flag isn't set, but the usage
of vc++ lazy bindings mean I can't get an API trace under windows :(
------- Additional Comments From andi <at> rhlx01.fht-esslingen.de 2003-01-26
18:36 -------
The only place in Wine to fix up WS_CAPTION is:
/* Correct the window style - stage 2 */
if (!(cs->style & WS_CHILD))
{
wndPtr->dwStyle |= WS_CLIPSIBLINGS;
if (!(cs->style & WS_POPUP))
{
wndPtr->dwStyle |= WS_CAPTION;
wndPtr->flags |= WIN_NEED_SIZE;
}
}
in windows/win.c/WIN_CreateWindowEx()
Checking windows/win.c cvs log, I'm thinking about:
----------------------------
revision 1.214
date: 2003/01/08 19:53:47; author: julliard; state: Exp; lines: +2 -2
Duane Clark <dclark <at> akamail.com>
WS_CAPTION is a two bit field, so test appropriately.
----------------------------
Hmm, could it be that this recent change caused you to notice the WS_CAPTION
problem ?
The WS_CAPTION fixup has been in windows/win.c since its CVS beginnings, BTW.
I think we can safely confirm this bug.
So the question is: what exactly should be corrected in that function and how ?
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