1 /* 2 * Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 #include "awt_Component.h" 27 28 #include <commctrl.h> 29 30 #ifndef _COMCTL32UTIL_H 31 #define _COMCTL32UTIL_H 32 33 class ComCtl32Util 34 { 35 public: GetInstance()36 static ComCtl32Util &GetInstance() { 37 static ComCtl32Util theInstance; 38 return theInstance; 39 } 40 41 void InitLibraries(); 42 IsToolTipControlInitialized()43 INLINE BOOL IsToolTipControlInitialized() { 44 return m_bToolTipControlInitialized; 45 } 46 47 WNDPROC SubclassHWND(HWND hwnd, WNDPROC _WindowProc); 48 // DefWindowProc is the same as returned from SubclassHWND 49 void UnsubclassHWND(HWND hwnd, WNDPROC _WindowProc, WNDPROC _DefWindowProc); 50 // DefWindowProc is the same as returned from SubclassHWND or NULL 51 LRESULT DefWindowProc(WNDPROC _DefWindowProc, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam); 52 53 private: 54 ComCtl32Util(); 55 ~ComCtl32Util(); 56 57 BOOL m_bToolTipControlInitialized; 58 59 // comctl32.dll version 6 window proc 60 static LRESULT CALLBACK SharedWindowProc(HWND hwnd, UINT message, 61 WPARAM wParam, LPARAM lParam, 62 UINT_PTR uIdSubclass, DWORD_PTR dwRefData); 63 }; 64 65 #endif // _COMCTL32UTIL_H 66