[Bug 5915] New: Application gets crashed when I press enter in combobox (While Cursor is present in combo)

Wine Bugs wine-bugs at winehq.org
Fri Aug 11 04:10:57 CDT 2006


           Summary: Application gets crashed when I press enter in combobox
                    (While Cursor is present in combo)
           Product: Wine
           Version: 0.9.16.
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: test
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: ravinderonline at yahoo.com
                CC: dank at kegel.com,infyquest at gmail.com

When list box of combo box is expanded, no crash occurs when I press enter. When
list box of combo box isn’t expanded and cursor is present in combo box and I
press enter, Application crashes. 

I tried to debug the wine code and could find the place from where crash
occurred. It is coming from /home/ravinder/winecode/wine-0.9.16/dlls/user/edit.c


                 if (es->style & ES_MULTILINE)
                   result |= DLGC_WANTALLKEYS;

               if (lParam && (((LPMSG)lParam)->message == WM_KEYDOWN))
                   int vk = (int)((LPMSG)lParam)->wParam;

                   if (es->hwndListBox && (vk == VK_RETURN || vk == VK_ESCAPE))
                      if (SendMessageW(GetParent(hwnd), CB_GETDROPPEDSTATE, 0, 0))
++		{
++			       MessageBoxA(NULL,”INSIDE IF LOOP”, “EDIT”, MB_OK);
                result |= DLGC_WANTMESSAGE;
++		}
++		else
++		{
++			//Some Code is missing to handle this situation when list box of combo box
isn’t expanded.
++                }

I tried sending different messages from this place like WM_KILLFOCUS but crash
inst being avoided. In one case crash stops when I remove the  
                    if (SendMessageW(GetParent(hwnd), CB_GETDROPPEDSTATE, 0, 0))
and put directly 
                result |= DLGC_WANTMESSAGE; under
if (es->hwndListBox && (vk == VK_RETURN || vk == VK_ESCAPE))
But in this case focus isn’t lost.

I made a test case but I wasn’t able to simulate the issue in test case. I have
attached the screenshot of the issue and log generated with channel as edit and

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