Hi again Brad, http://msdn.microsoft.com/en-us/library/619z63f5(VS.80).aspx
<http://msdn.microsoft.com/en-us/library/619z63f5(VS.80).aspx>note the Note. This makes me think you are using older MFC that is not doing that ..... -Nick On Mon, Sep 20, 2010 at 9:37 PM, Trajce (Nick) Nikolov < [email protected]> wrote: > Hi Brad, > > I hate arguing :) ... For me it works. I put a break point on the Sleep and > I get there > > BOOL CDialogDlg::PreTranslateMessage( MSG *pMsg ) > { > if (pMsg->message == WM_CHAR ) > { > // will I get here > Sleep(10); > } > return CDialog::PreTranslateMessage(pMsg); > } > -Nick > > > > On Mon, Sep 20, 2010 at 9:28 PM, Brad Huber <[email protected]> wrote: > >> Nick, >> >> >> >> According to my understanding and experience, >> CDialog::PreTranslateMessage(MSG *msg) does not receive WM_CHAR messages so >> I cannot do anything about that. In the MFC documentation there is a >> CWnd::GetDlgCode method which tells the framework which key messages (like >> WM_CHAR) your class would like to receive but again this does not work for >> CDialog classes. GetDlgCode does not get called and PreTranslateMessage >> does not ever get WM_CHAR. Therefore I cannot use any WM_CHAR based >> mechanism with my existing CDialog based app. I can use a work around (ie >> don’t rely on any WM_KEYDOWN) and use WM_KEYUP instead. I could also >> investigate inserting a control on top of the dialog which would allow >> receipt of WM_CHAR messages. Anyway there is apparently nothing I can do to >> force WM_CHAR to work with CDialog. >> >> >> >> Thanks >> >> -Brad >> >> >> >> *From:* [email protected] [mailto: >> [email protected]] *On Behalf Of *Trajce (Nick) >> Nikolov >> *Sent:* Monday, September 20, 2010 11:06 AM >> *To:* OpenSceneGraph Users >> >> *Subject:* Re: [osg-users] Keypress broken since rev 11749 >> >> >> >> Hi Brad, >> >> >> >> Dialogs in MFC do not capture/receive the WM_CHAR message and that is why >> I cannot properly pass it on to the OSG window >> >> >> >> you could override CDialog::PreTranslateMessage( MSG* msg ) and do it the >> same way is CView from the osgviewerMFC example >> >> >> -Nick >> >> On Mon, Sep 20, 2010 at 5:29 PM, Brad Huber <[email protected]> >> wrote: >> >> Gentlemen, >> >> >> >> I apologize for being inactive on the thread these last few days. I was >> on vacation at the Reno Air Races J. >> >> >> >> Trajce- to address your point about how to make MFC “work properly”. The >> example code IS NOT a dialog based MFC app. My app IS a dialog based MFC >> app. Dialogs in MFC do not capture/receive the WM_CHAR message and that is >> why I cannot properly pass it on to the OSG window. Of course there are >> other work arounds that address my particular problem (I believe I’ve >> already fixed it), but I’m trying to bring up the point that this may be a >> fundamental issue in the key handling. >> >> >> >> Robert- One issue with including both the translated and untranslated keys >> in the event is that there is not a one to one mapping. In windows >> sometimes 3 key presses will translate to one WM_CHAR (translated key) >> message and they don’t even need to be pressed at the same time (in the case >> of dead keys). Whereas I believe there is a one-to-one between WM_KEYDOWN >> and key presses… >> >> >> >> Thanks >> >> -Brad >> >> >> >> *From:* [email protected] [mailto: >> [email protected]] *On Behalf Of *Trajce (Nick) >> Nikolov >> *Sent:* Friday, September 17, 2010 10:57 AM >> >> >> *To:* [email protected] >> *Subject:* Re: [osg-users] Keypress broken since rev 11749 >> >> >> >> Hi Robert, >> >> >> >> I find some time to dig into this. And here are my observations ( I am >> working with Vivien's submission, with osgviewerMFC ) >> >> >> >> I put break points in GraphicsWindowWin32.cpp: >> >> Line: 2476 >> >> case WM_KEYDOWN : >> >> case WM_SYSKEYDOWN : >> >> //////////////////// >> >> >> >> { >> >> int keySymbol = 0; >> >> >> >> Line: 2451 >> >> ///////////////// >> >> case WM_CHAR : >> >> ///////////////// >> >> { >> >> // if event was not handled by WM_KEYDOWN then we take >> care of it here >> >> // this method gives directly the utf16 char back so just >> need to add it as it is >> >> if(!_keypresshandled) >> >> { >> >> // first check if key is already registered on the map >> >> >> >> >> >> case WM_KEYDOWN/WM_SYSKEYDOWN : get its chance to handle every single key >> you press, even a dead key. So, for my czech character 'č', I have to press: >> SHIFT, '+', and 'c', in this order, and for each of these three I get >> WM_KEYDOWN. The only difference is that when I complete this sequence, on >> top of all WM_KEYDOWNs, it gets to case WM_CHAR: with my 'č'. This is how >> the system is managing these events. To reflect this behavior into OSG, only >> one single line needs to be added, I think, and that will fix Brad's issue >> as well: >> >> >> >> else >> >> { >> >> // was no special key, let WM_CHAR handle it >> >> _keypresshandled = false; >> >> _lastkeysymbol = keySymbol; >> >> /* the new line >> */ getEventQueue()->keyPress(keySymbol, eventTime); >> >> } >> >> >> >> This was the key that was waste (being 'eaten' :) ..). >> >> >> >> So to me it sounds that, with Vivien's submission, only the dead key + >> 'something' was not firing an event in osg - for the rest it should work as >> before, not as Brad states above that the key events stopped work. I am >> very curious what he was actually doing. >> >> >> >> Cheers, >> >> -Nick >> >> On Fri, Sep 17, 2010 at 8:04 PM, Vivien Delage <[email protected]> wrote: >> >> Hi guys, >> >> I understand you Robert. I have no problem with reverting the code for now >> if this causes issues for other people. I will go and experiment a bit more >> on how to fix the dead key problem. Maybe I can find a solution which is not >> using the WM_CHAR message. I will let you know how it goes on my side. >> >> >> Cheers, >> >> Vivien >> >> ------------------ >> Read this topic online here: >> >> http://forum.openscenegraph.org/viewtopic.php?p=31778#31778 >> >> >> >> >> >> >> _______________________________________________ >> osg-users mailing list >> [email protected] >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >> >> >> >> >> _______________________________________________ >> osg-users mailing list >> [email protected] >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >> >> >> >> _______________________________________________ >> osg-users mailing list >> [email protected] >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >> >> >
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