1 /* 2 * Copyright (c) 1996, 2010, 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 #ifndef AWT_CHOICE_H 27 #define AWT_CHOICE_H 28 29 #include "awt_Component.h" 30 31 #include "java_awt_Choice.h" 32 #include "sun_awt_windows_WChoicePeer.h" 33 34 35 /************************************************************************ 36 * Component class for system provided buttons 37 */ 38 39 class AwtChoice : public AwtComponent { 40 public: 41 AwtChoice(); 42 43 virtual LPCTSTR GetClassName(); 44 static AwtChoice* Create(jobject peer, jobject hParent); 45 46 virtual void Dispose(); 47 48 virtual void Reshape(int x, int y, int w, int h); 49 void ResetDropDownHeight(); 50 int GetDropDownHeight(); 51 52 #ifdef DEBUG 53 void VerifyState(); /* verify component and peer are in sync. */ 54 #endif 55 56 /*for multifont list */ 57 jobject PreferredItemSize(JNIEnv *env); 58 59 /* 60 * Windows message handler functions 61 */ 62 MsgRouting WmNotify(UINT notifyCode); 63 64 /* for multifont choice */ 65 MsgRouting OwnerDrawItem(UINT ctrlId, DRAWITEMSTRUCT& drawInfo); 66 MsgRouting OwnerMeasureItem(UINT ctrlId, MEASUREITEMSTRUCT& measureInfo); 67 68 /* Workaround for bug #4338368 */ 69 MsgRouting WmKillFocus(HWND hWndGotFocus); 70 MsgRouting WmMouseUp(UINT flags, int x, int y, int button); 71 72 MsgRouting HandleEvent(MSG *msg, BOOL synthetic); 73 74 INLINE HWND GetDBCSEditHandle() { return GetHWnd(); } 75 virtual void SetFont(AwtFont *pFont); 76 virtual BOOL InheritsNativeMouseWheelBehavior(); 77 virtual void SetDragCapture(UINT flags); 78 virtual void ReleaseDragCapture(UINT flags); 79 80 static BOOL mouseCapture; 81 static BOOL skipNextMouseUp; 82 83 // called on Toolkit thread from JNI 84 static void _Reshape(void *param); 85 static void _Select(void *param); 86 static void _AddItems(void *param); 87 static void _Remove(void *param); 88 static void _RemoveAll(void *param); 89 static void _CloseList(void *param); 90 91 private: 92 int GetFieldHeight(); 93 int GetTotalHeight(); 94 static BOOL sm_isMouseMoveInList; 95 HWND m_hList; 96 WNDPROC m_listDefWindowProc; 97 int m_selectedItem; 98 static LRESULT CALLBACK ListWindowProc(HWND hwnd, UINT message, 99 WPARAM wParam, LPARAM lParam); 100 }; 101 102 #endif /* AWT_CHOICE_H */