--- a/jdk/src/solaris/native/sun/awt/awt_Scrollbar.c Fri Sep 12 14:35:51 2008 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,440 +0,0 @@
-/*
- * Copyright 1995-2004 Sun Microsystems, Inc. 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. Sun designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- */
-
-#ifdef HEADLESS
- #error This file should not be included in headless library
-#endif
-
-#include "awt_p.h"
-#include "java_awt_Scrollbar.h"
-#include "java_awt_event_MouseEvent.h"
-#include "sun_awt_motif_MScrollbarPeer.h"
-#include "sun_awt_motif_MComponentPeer.h"
-
-#include "awt_Component.h"
-#include "canvas.h"
-
-#include <jni.h>
-#include <jni_util.h>
-#include "multi_font.h"
-
-
-extern struct MComponentPeerIDs mComponentPeerIDs;
-extern AwtGraphicsConfigDataPtr
- copyGraphicsConfigToPeer(JNIEnv *env, jobject this);
-
-/* fieldIDs for java.awt.Scrollbar fields that may be accessed from C */
-static struct ScrollbarIDs {
- jfieldID orientation;
- jfieldID visibleAmount;
- jfieldID lineIncrement;
- jfieldID pageIncrement;
- jfieldID value;
- jfieldID minimum;
- jfieldID maximum;
-} targetIDs;
-
-/* MScrollbarPeer callback methods */
-static struct {
- jmethodID lineUp;
- jmethodID lineDown;
- jmethodID pageUp;
- jmethodID pageDown;
- jmethodID drag;
- jmethodID dragEnd;
- jmethodID warp;
-} peerIDs;
-
-
-
-/*
- * Class: java_awt_ScrollBar
- * Method: initIDs
- * Signature: ()V
- */
-
-/* This function gets called from the static initializer for
- Scrollbar.java to initialize the fieldIDs for fields that may
- be accessed from C */
-
-JNIEXPORT void JNICALL
-Java_java_awt_Scrollbar_initIDs(JNIEnv *env, jclass cls)
-{
- targetIDs.orientation =
- (*env)->GetFieldID(env, cls, "orientation", "I");
- targetIDs.visibleAmount =
- (*env)->GetFieldID(env, cls, "visibleAmount", "I");
- targetIDs.lineIncrement =
- (*env)->GetFieldID(env, cls, "lineIncrement", "I");
- targetIDs.pageIncrement =
- (*env)->GetFieldID(env, cls, "pageIncrement", "I");
- targetIDs.value =
- (*env)->GetFieldID(env, cls, "value", "I");
- targetIDs.minimum =
- (*env)->GetFieldID(env, cls, "minimum", "I");
- targetIDs.maximum =
- (*env)->GetFieldID(env, cls, "maximum", "I");
-}
-
-
-/*
- * Class: sun_awt_motif_MComponentPeer
- * Method: initIDs
- * Signature: ()V
- */
-
-/* This function gets called from the static initializer for
- MScrollbarPeer to initialize the JNI ids for fields and methods
- that may be accessed from C */
-
-JNIEXPORT void JNICALL
-Java_sun_awt_motif_MScrollbarPeer_initIDs(JNIEnv *env, jclass cls)
-{
- peerIDs.lineUp =
- (*env)->GetMethodID(env, cls, "lineUp", "(I)V");
- peerIDs.lineDown =
- (*env)->GetMethodID(env, cls, "lineDown", "(I)V");
- peerIDs.pageUp =
- (*env)->GetMethodID(env, cls, "pageUp", "(I)V");
- peerIDs.pageDown =
- (*env)->GetMethodID(env, cls, "pageDown", "(I)V");
- peerIDs.drag =
- (*env)->GetMethodID(env, cls, "drag", "(I)V");
- peerIDs.dragEnd =
- (*env)->GetMethodID(env, cls, "dragEnd", "(I)V");
- peerIDs.warp =
- (*env)->GetMethodID(env, cls, "warp", "(I)V");
-}
-
-/*
- * Call peer.jcallback(value)
- */
-static void
-DoJavaCallback(jobject peer, jmethodID jcallback, jint value)
-{
- JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
- (*env)->CallVoidMethod(env, peer, jcallback, value);
- if ((*env)->ExceptionOccurred(env)) {
- (*env)->ExceptionDescribe(env);
- (*env)->ExceptionClear(env);
- }
-}
-
-
-static void /* XtCallbackProc */
-decrementCallback(Widget w, jobject peer,
- XmScrollBarCallbackStruct *scroll)
-{
- DASSERT(scroll->reason == XmCR_DECREMENT);
- DoJavaCallback(peer, peerIDs.lineUp, scroll->value);
-}
-
-static void /* XtCallbackProc */
-incrementCallback(Widget w, jobject peer,
- XmScrollBarCallbackStruct *scroll)
-{
- DASSERT(scroll->reason == XmCR_INCREMENT);
- DoJavaCallback(peer, peerIDs.lineDown, scroll->value);
-}
-
-static void /* XtCallbackProc */
-pageDecrementCallback(Widget w, jobject peer,
- XmScrollBarCallbackStruct *scroll)
-{
- DASSERT(scroll->reason == XmCR_PAGE_DECREMENT);
- DoJavaCallback(peer, peerIDs.pageUp, scroll->value);
-}
-
-static void /* XtCallbackProc */
-pageIncrementCallback(Widget w, jobject peer,
- XmScrollBarCallbackStruct *scroll)
-{
- DASSERT(scroll->reason == XmCR_PAGE_INCREMENT);
- DoJavaCallback(peer, peerIDs.pageDown, scroll->value);
-}
-
-static void /* XtCallbackProc */
-dragCallback(Widget w, jobject peer,
- XmScrollBarCallbackStruct *scroll)
-{
- DASSERT(scroll->reason == XmCR_DRAG);
- DoJavaCallback(peer, peerIDs.drag, scroll->value);
-}
-
-static void /* XtCallbackProc */
-dragEndCallback(Widget w, jobject peer,
- XmScrollBarCallbackStruct *scroll)
-{
- DASSERT(scroll->reason == XmCR_VALUE_CHANGED);
- DoJavaCallback(peer, peerIDs.dragEnd, scroll->value);
-}
-
-static void /* XtCallbackProc */
-toTopCallback(Widget w, jobject peer,
- XmScrollBarCallbackStruct *scroll)
-{
- DASSERT(scroll->reason == XmCR_TO_TOP);
- DoJavaCallback(peer, peerIDs.warp, scroll->value);
-}
-
-static void /* XtCallbackProc */
-toBottomCallback(Widget w, jobject peer,
- XmScrollBarCallbackStruct *scroll)
-{
- DASSERT(scroll->reason == XmCR_TO_BOTTOM);
- DoJavaCallback(peer, peerIDs.warp, scroll->value);
-}
-
-
-/*
- * Class: sun_awt_motif_MScrollbarPeer
- * Method: create
- * Signature: (Lsun/awt/motif/MComponentPeer;)V
- */
-JNIEXPORT void JNICALL
-Java_sun_awt_motif_MScrollbarPeer_create(JNIEnv *env, jobject this,
- jobject parent)
-{
- Widget w;
-
- jobject target;
- XtPointer globalRef = (XtPointer) /* jobject */
- awtJNI_CreateAndSetGlobalRef(env, this);
-
- struct ComponentData *pdata; /* for parent */
- struct ComponentData *sdata; /* for scrollbar */
- AwtGraphicsConfigDataPtr adata;
-
- int32_t value, visible, minimum, maximum;
- int32_t lineIncrement, pageIncrement;
- Pixel bg;
-
-#define MAX_ARGC 20
- Arg args[MAX_ARGC];
- int32_t argc = 0;
-
-
- AWT_LOCK();
-
- if (JNU_IsNull(env, parent)) {
- JNU_ThrowNullPointerException(env, "NullPointerException");
- AWT_UNLOCK();
- return;
- }
-
- pdata = (struct ComponentData *)
- JNU_GetLongFieldAsPtr(env, parent, mComponentPeerIDs.pData);
-
- target = (*env)->GetObjectField(env, this, mComponentPeerIDs.target);
-
- if (JNU_IsNull(env, target) || pdata == NULL) {
- JNU_ThrowNullPointerException(env, "NullPointerException");
- AWT_UNLOCK();
- return;
- }
-
-
- switch ((*env)->GetIntField(env, target, targetIDs.orientation)) {
- case java_awt_Scrollbar_HORIZONTAL:
- XtSetArg(args[argc], XmNorientation, XmHORIZONTAL);
- argc++;
- break;
-
- case java_awt_Scrollbar_VERTICAL:
- XtSetArg(args[argc], XmNorientation, XmVERTICAL);
- argc++;
- break;
-
- default:
- JNU_ThrowIllegalArgumentException(env, "bad scrollbar orientation");
- AWT_UNLOCK();
- return;
- }
-
- adata = copyGraphicsConfigToPeer(env, this);
- XtVaGetValues(pdata->widget, XmNbackground, &bg, NULL);
-
- visible = (int32_t) (*env)->GetIntField(env, target, targetIDs.visibleAmount);
- value = (int32_t) (*env)->GetIntField(env, target, targetIDs.value);
- minimum = (int32_t) (*env)->GetIntField(env, target, targetIDs.minimum);
- maximum = (int32_t) (*env)->GetIntField(env, target, targetIDs.maximum);
- lineIncrement =
- (int32_t) (*env)->GetIntField(env, target, targetIDs.lineIncrement);
- pageIncrement =
- (int32_t) (*env)->GetIntField(env, target, targetIDs.pageIncrement);
-
- /*
- * Sanity check. Scrollbar.setValues should have taken care.
- */
- DASSERT(maximum > minimum);
- DASSERT(visible <= maximum - minimum);
- DASSERT(visible >= 1);
- DASSERT(value >= minimum);
- DASSERT(value <= maximum - visible);
-
- XtSetArg(args[argc], XmNx, 0); argc++;
- XtSetArg(args[argc], XmNy, 0); argc++;
- XtSetArg(args[argc], XmNvalue, value); argc++;
- XtSetArg(args[argc], XmNsliderSize, visible); argc++;
- XtSetArg(args[argc], XmNminimum, minimum); argc++;
- XtSetArg(args[argc], XmNmaximum, maximum); argc++;
- XtSetArg(args[argc], XmNincrement, lineIncrement); argc++;
- XtSetArg(args[argc], XmNpageIncrement, pageIncrement); argc++;
- XtSetArg(args[argc], XmNbackground, bg); argc++;
- XtSetArg(args[argc], XmNrecomputeSize, False); argc++;
- XtSetArg(args[argc], XmNuserData, globalRef); argc++;
- XtSetArg(args[argc], XmNscreen,
- ScreenOfDisplay(awt_display,
- adata->awt_visInfo.screen)); argc++;
-
- DASSERT(argc <= MAX_ARGC); /* sanity check */
-
- sdata = ZALLOC(ComponentData);
- if (sdata == NULL) {
- JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError");
- AWT_UNLOCK();
- return;
- }
-
- JNU_SetLongFieldFromPtr(env, this, mComponentPeerIDs.pData, sdata);
-
- sdata->widget = w =
- XmCreateScrollBar(pdata->widget, "scrollbar", args, argc);
-
- XtAddCallback(w, XmNdecrementCallback,
- (XtCallbackProc)decrementCallback, globalRef);
- XtAddCallback(w, XmNincrementCallback,
- (XtCallbackProc)incrementCallback, globalRef);
- XtAddCallback(w, XmNpageDecrementCallback,
- (XtCallbackProc)pageDecrementCallback, globalRef);
- XtAddCallback(w, XmNpageIncrementCallback,
- (XtCallbackProc)pageIncrementCallback, globalRef);
- XtAddCallback(w, XmNtoTopCallback,
- (XtCallbackProc)toTopCallback, globalRef);
- XtAddCallback(w, XmNtoBottomCallback,
- (XtCallbackProc)toBottomCallback, globalRef);
- XtAddCallback(w, XmNdragCallback,
- (XtCallbackProc)dragCallback, globalRef);
- XtAddCallback(w, XmNvalueChangedCallback,
- (XtCallbackProc)dragEndCallback, globalRef);
-
- /* Set up workaround for the continuous scrolling bug */
- XtAddEventHandler(w, ButtonReleaseMask, False,
- awt_motif_Scrollbar_ButtonReleaseHandler, NULL);
-
- /* Fix for 4955950. ButtonRelease & MotionNotify should be handled as well */
- XtAddEventHandler(w, ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
- False, awt_canvas_event_handler, globalRef);
-
- XtSetMappedWhenManaged(w, False);
- XtManageChild(w);
-
- AWT_UNLOCK();
-}
-
-/*
- * Class: sun_awt_motif_MScrollbarPeer
- * Method: pSetValues
- * Signature: (IIII)V
- */
-JNIEXPORT void JNICALL
-Java_sun_awt_motif_MScrollbarPeer_pSetValues(JNIEnv *env, jobject this,
- jint value, jint visible, jint minimum, jint maximum)
-{
- struct ComponentData *sdata;
-
- AWT_LOCK();
-
- sdata = (struct ComponentData *)
- JNU_GetLongFieldAsPtr(env, this, mComponentPeerIDs.pData);
- if (sdata == NULL) {
- JNU_ThrowNullPointerException(env, "NullPointerException");
- AWT_UNLOCK();
- return;
- }
- /* pass in visible for sliderSize since Motif will calculate the */
- /* slider's size for us. */
- XtVaSetValues(sdata->widget,
- XmNminimum, minimum,
- XmNmaximum, maximum,
- XmNvalue, value,
- XmNsliderSize, visible,
- NULL);
- AWT_FLUSH_UNLOCK();
-}
-
-
-/*
- * Class: sun_awt_motif_MScrollbarPeer
- * Method: setLineIncrement
- * Signature: (I)V
- */
-JNIEXPORT void JNICALL
-Java_sun_awt_motif_MScrollbarPeer_setLineIncrement(JNIEnv *env, jobject this,
- jint value)
-{
- struct ComponentData *sdata;
-
- AWT_LOCK();
-
- sdata = (struct ComponentData *)
- JNU_GetLongFieldAsPtr(env, this, mComponentPeerIDs.pData);
- if (sdata == NULL) {
- JNU_ThrowNullPointerException(env, "NullPointerException");
- AWT_UNLOCK();
- return;
- }
- XtVaSetValues(sdata->widget,
- XmNincrement, value,
- NULL);
- AWT_FLUSH_UNLOCK();
-}
-
-
-/*
- * Class: sun_awt_motif_MScrollbarPeer
- * Method: setPageIncrement
- * Signature: (I)V
- */
-JNIEXPORT void JNICALL
-Java_sun_awt_motif_MScrollbarPeer_setPageIncrement(JNIEnv *env, jobject this,
- jint value)
-{
- struct ComponentData *sdata;
-
- AWT_LOCK();
-
- sdata = (struct ComponentData *)
- JNU_GetLongFieldAsPtr(env, this, mComponentPeerIDs.pData);
- if (sdata == NULL) {
- JNU_ThrowNullPointerException(env, "NullPointerException");
- AWT_UNLOCK();
- return;
- }
- XtVaSetValues(sdata->widget,
- XmNpageIncrement, value,
- NULL);
- AWT_FLUSH_UNLOCK();
-}