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Java example source code file (awt_Scrollbar.h)
The awt_Scrollbar.h Java example source code/* * Copyright (c) 1996, 2009, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ #ifndef AWT_SCROLLBAR_H #define AWT_SCROLLBAR_H #include "awt_Component.h" #include "java_awt_Scrollbar.h" #include "sun_awt_windows_WScrollbarPeer.h" #define Java_java_awt_Scrollbar_HORIZONTAL 0 #define Java_java_awt_Scrollbar_VERTICAL 1 /************************************************************************ * AwtScrollbar class */ class AwtScrollbar : public AwtComponent { public: /* java.awt.Scrollbar fields */ static jfieldID lineIncrementID; static jfieldID pageIncrementID; static jfieldID orientationID; AwtScrollbar(); virtual ~AwtScrollbar(); virtual void Dispose(); virtual LPCTSTR GetClassName(); static AwtScrollbar* Create(jobject self, jobject parent); void SetValue(int value); void SetLineIncrement(int value) { m_lineIncr = value; } void SetPageIncrement(int value) { m_pageIncr = value; } virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam); /* * Windows message handler functions */ virtual MsgRouting WmHScroll(UINT scrollCode, UINT pos, HWND hScrollBar); virtual MsgRouting WmVScroll(UINT scrollCode, UINT pos, HWND hScrollBar); // Prevent KB Q102552 race. virtual MsgRouting WmMouseDown(UINT flags, int x, int y, int button); virtual MsgRouting WmNcHitTest(UINT x, UINT y, LRESULT& retVal); virtual MsgRouting HandleEvent(MSG *msg, BOOL synthetic); INLINE virtual BOOL IsScrollbar() { return TRUE; } // invoked on Toolkit thread static void _SetValues(void *param); private: UINT m_orientation; /* SB_HORZ or SB_VERT */ int m_lineIncr; int m_pageIncr; // Work around KB Q73839 bug. void UpdateFocusIndicator(); // Don't do redundant callbacks. const char *m_prevCallback; int m_prevCallbackPos; static const char * const SbNlineDown; static const char * const SbNlineUp; static const char * const SbNpageDown; static const char * const SbNpageUp; static const char * const SbNdrag; static const char * const SbNdragEnd; static const char * const SbNwarp; static int ms_instanceCounter; static HHOOK ms_hMouseFilter; static BOOL ms_isInsideMouseFilter; static LRESULT CALLBACK MouseFilter(int nCode, WPARAM wParam, LPARAM lParam); void DoScrollCallbackCoalesce(const char* methodName, int newPos); }; #endif /* AWT_SCROLLBAR_H */ Other Java examples (source code examples)Here is a short list of links related to this Java awt_Scrollbar.h source code file: |
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