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1 | // Copyright (c) 1996-1999 Matra Datavision |
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2 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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3 | // |
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4 | // This file is part of Open CASCADE Technology software library. |
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5 | // |
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6 | // This library is free software; you can redistribute it and/or modify it under |
7 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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8 | // by the Free Software Foundation, with special exception defined in the file |
9 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
10 | // distribution for complete text of the license and disclaimer of any warranty. |
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11 | // |
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12 | // Alternatively, this file may be used under the terms of Open CASCADE |
13 | // commercial license or contractual agreement. |
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14 | |
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15 | #if defined(_WIN32) |
16 | #include <windows.h> |
17 | #endif |
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18 | |
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19 | #include <WNT_WClass.hxx> |
20 | |
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21 | #include <TCollection_ExtendedString.hxx> |
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22 | #include <WNT_ClassDefinitionError.hxx> |
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23 | #include <WNT_Window.hxx> |
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24 | |
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25 | #if defined(_WIN32) && !defined(OCCT_UWP) |
26 | |
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27 | IMPLEMENT_STANDARD_RTTIEXT(WNT_WClass, Standard_Transient) |
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28 | |
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29 | //======================================================================= |
30 | //function : WNT_WClass |
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31 | //purpose : |
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32 | //======================================================================= |
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33 | WNT_WClass::WNT_WClass (const TCollection_AsciiString& theClassName, |
34 | const Standard_Address theWndProc, |
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35 | const unsigned int theStyle, |
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36 | const Standard_Integer theClassExtra, |
37 | const Standard_Integer theWindowExtra, |
38 | const Aspect_Handle theCursor, |
39 | const Aspect_Handle theIcon, |
40 | const TCollection_AsciiString& theMenuName) |
41 | : myClassName (theClassName), |
42 | myAppInstance (GetModuleHandleW (NULL)), |
43 | myWndProc (NULL) |
44 | { |
45 | const TCollection_ExtendedString aClassNameW (theClassName); |
46 | const TCollection_ExtendedString aMenuNameW (theMenuName); |
47 | WNDCLASSW aWinClass; |
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48 | aWinClass.style = (UINT)theStyle; |
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49 | aWinClass.lpfnWndProc = theWndProc != NULL ? (WNDPROC )theWndProc : DefWindowProcW; |
50 | aWinClass.cbClsExtra = theClassExtra; |
51 | aWinClass.cbWndExtra = theWindowExtra; |
52 | aWinClass.hInstance = (HINSTANCE )myAppInstance; |
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53 | aWinClass.hIcon = theIcon != NULL ? (HICON )theIcon : LoadIcon (NULL, IDI_APPLICATION); |
54 | aWinClass.hCursor = theCursor != NULL ? (HCURSOR )theCursor : LoadCursor (NULL, IDC_NO); |
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55 | aWinClass.hbrBackground = 0; |
56 | aWinClass.lpszMenuName = !aMenuNameW.IsEmpty() ? aMenuNameW.ToWideString() : NULL; |
57 | aWinClass.lpszClassName = aClassNameW.ToWideString(); |
58 | if (!RegisterClassW (&aWinClass)) |
59 | { |
60 | myClassName.Clear(); |
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61 | throw WNT_ClassDefinitionError("Unable to register window class"); |
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62 | } |
63 | myWndProc = (Standard_Address )aWinClass.lpfnWndProc; |
64 | } |
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65 | |
66 | //======================================================================= |
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67 | //function : ~WNT_WClass |
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68 | //purpose : |
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69 | //======================================================================= |
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70 | WNT_WClass::~WNT_WClass() |
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71 | { |
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72 | if (!myClassName.IsEmpty()) |
73 | { |
74 | const TCollection_ExtendedString aClassNameW (myClassName); |
75 | UnregisterClassW (aClassNameW.ToWideString(), (HINSTANCE )myAppInstance); |
76 | } |
77 | } |
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78 | |
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79 | #endif // _WIN32 |