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win32: support MinGW build

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A MinGW build is the same shape as a MSVC build (but without
MzCOM), unlike a Cygwin build.

original commit: 5b016b4c32b3fc4ca5439f98b80d73b10ea8d346
This commit is contained in:
Matthew Flatt 2012-12-07 07:58:40 -06:00
parent 6e2e51aae7
commit 8107903727
1 changed files with 6 additions and 4 deletions
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10
collects/mred/private/wx/win32/wndclass.rkt
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@ -119,19 +119,21 @@
(define wind-proc-ptr (function-ptr wind-proc _WndProc))
(define-user32 CallWindowProcW (_wfun _fpointer _HWND _UINT _WPARAM _LPARAM -> _LRESULT))
(define (control-proc w msg wParam lParam)
(let ([default-ctlproc (hwnd->ctlproc w)])
(let ([default-ctlproc (hwnd->ctlproc-fptr w)])
(if (= msg WM_DESTROY)
(begin
(SetWindowLongPtrW w GWLP_WNDPROC (hwnd->ctlproc-fptr w))
(unregister-hwnd! w)
(default-ctlproc w msg wParam lParam))
(CallWindowProcW default-ctlproc w msg wParam lParam))
(let ([wx (hwnd->wx w)])
(if wx
(send wx ctlproc w msg wParam lParam
(lambda (w msg wParam lParam)
(default-ctlproc w msg wParam lParam)))
(default-ctlproc w msg wParam lParam))))))
(CallWindowProcW default-ctlproc w msg wParam lParam)))
(CallWindowProcW default-ctlproc w msg wParam lParam))))))
(define control_proc (function-ptr control-proc _WndProc))