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Java example source code file (awt_ScrollPane.h)
The awt_ScrollPane.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_SCROLLPANE_H #define AWT_SCROLLPANE_H #include "awt_Canvas.h" #include "java_awt_ScrollPane.h" #include "java_awt_Insets.h" #include "sun_awt_windows_WScrollPanePeer.h" /************************************************************************ * AwtScrollPane class */ class AwtScrollPane : public AwtCanvas { public: /* java.awt.ScrollPane fields */ static jfieldID scrollbarDisplayPolicyID; static jfieldID hAdjustableID; static jfieldID vAdjustableID; /* java.awt.ScrollPaneAdjustable fields */ static jfieldID unitIncrementID; static jfieldID blockIncrementID; /* sun.awt.windows.WScrollPanePeer methods */ static jmethodID postScrollEventID; AwtScrollPane(); virtual LPCTSTR GetClassName(); static AwtScrollPane* Create(jobject self, jobject hParent); void SetInsets(JNIEnv *env); void RecalcSizes(int parentWidth, int parentHeight, int childWidth, int childHeight); virtual void Show(JNIEnv *env); virtual void Reshape(int x, int y, int w, int h); virtual void BeginValidate() {} virtual void EndValidate() {} /* * Fix for bug 4046446 * Returns scroll position for the appropriate scrollbar. */ int GetScrollPos(int orient); /* * Windows message handler functions */ virtual MsgRouting WmNcHitTest(UINT x, UINT y, LRESULT& retVal); virtual MsgRouting WmHScroll(UINT scrollCode, UINT pos, HWND hScrollBar); virtual MsgRouting WmVScroll(UINT scrollCode, UINT pos, HWND hScrollBar); virtual MsgRouting HandleEvent(MSG *msg, BOOL synthetic); // some methods invoked on Toolkit thread static jint _GetOffset(void *param); static void _SetInsets(void *param); static void _SetScrollPos(void *param); static void _SetSpans(void *param); #ifdef DEBUG virtual void VerifyState(); /* verify target and peer are in sync. */ #endif private: void PostScrollEvent(int orient, int scrollCode, int pos); void SetScrollInfo(int orient, int max, int page, BOOL disableNoScroll); }; #endif /* AWT_SCROLLPANE_H */ Other Java examples (source code examples)Here is a short list of links related to this Java awt_ScrollPane.h source code file: |
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