jdk/src/solaris/native/sun/awt/awt_Cursor.c
changeset 1192 715cf9378c53
parent 1051 90cf935adb35
parent 1191 f142c1da78c2
child 1193 41afb8ee8f45
--- a/jdk/src/solaris/native/sun/awt/awt_Cursor.c	Wed Jul 05 16:40:31 2017 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,216 +0,0 @@
-/*
- * Copyright 1998-2005 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 <Xm/Display.h>
-#include "awt_Component.h"
-#include "awt_Cursor.h"
-#include "java_awt_Cursor.h"
-#include <X11/cursorfont.h>
-
-#include "jni.h"
-#include "jni_util.h"
-
-/* fieldIDs for Cursor fields that may be accessed from C */
-struct CursorIDs cursorIDs;
-extern struct MComponentPeerIDs mComponentPeerIDs;
-
-static jweak curComp = 0;
-
-/*
- * Class:     java_awt_Cursor
- * Method:    initIDs
- * Signature: ()V
- */
-/*
- * This function gets called from the static initializer for Cursor.java
- * to initialize the fieldIDs for fields that may be accessed from C
- */
-JNIEXPORT void JNICALL
-Java_java_awt_Cursor_initIDs(JNIEnv *env, jclass cls)
-{
-    cursorIDs.type = (*env)->GetFieldID(env, cls, "type", "I");
-    cursorIDs.mSetPData = (*env)->GetMethodID(env, cls, "setPData", "(J)V");
-    cursorIDs.pData = (*env)->GetFieldID(env, cls, "pData", "J");
-}
-
-/*
- * A utility to retrieve cursor from java.awt.Cursor
- * Create and save the cursor first if it is not yet
- */
-Cursor getCursor(JNIEnv *env, jobject jCur)
-{
-    int32_t cursorType = 0;
-    Cursor  xcursor;
-
-    xcursor = (Cursor)(*env)->GetLongField(env, jCur, cursorIDs.pData);
-
-    if (xcursor != None) {
-        return xcursor;
-    }
-
-    cursorType = (*env)->GetIntField(env, jCur, cursorIDs.type);
-
-    DASSERT(cursorType != java_awt_Cursor_CUSTOM_CURSOR);
-
-    switch (cursorType) {
-    case java_awt_Cursor_DEFAULT_CURSOR:
-        cursorType = XC_left_ptr;
-        break;
-    case java_awt_Cursor_CROSSHAIR_CURSOR:
-        cursorType = XC_crosshair;
-        break;
-    case java_awt_Cursor_TEXT_CURSOR:
-        cursorType = XC_xterm;
-        break;
-    case java_awt_Cursor_WAIT_CURSOR:
-        cursorType = XC_watch;
-        break;
-    case java_awt_Cursor_SW_RESIZE_CURSOR:
-        cursorType = XC_bottom_left_corner;
-        break;
-    case java_awt_Cursor_NW_RESIZE_CURSOR:
-        cursorType = XC_top_left_corner;
-        break;
-    case java_awt_Cursor_SE_RESIZE_CURSOR:
-        cursorType = XC_bottom_right_corner;
-        break;
-    case java_awt_Cursor_NE_RESIZE_CURSOR:
-        cursorType = XC_top_right_corner;
-        break;
-    case java_awt_Cursor_S_RESIZE_CURSOR:
-        cursorType = XC_bottom_side;
-        break;
-    case java_awt_Cursor_N_RESIZE_CURSOR:
-        cursorType = XC_top_side;
-        break;
-    case java_awt_Cursor_W_RESIZE_CURSOR:
-        cursorType = XC_left_side;
-        break;
-    case java_awt_Cursor_E_RESIZE_CURSOR:
-        cursorType = XC_right_side;
-        break;
-    case java_awt_Cursor_HAND_CURSOR:
-        cursorType = XC_hand2;
-        break;
-    case java_awt_Cursor_MOVE_CURSOR:
-        cursorType = XC_fleur;
-        break;
-    }
-    xcursor = XCreateFontCursor(awt_display, cursorType);
-
-    (*env)->CallVoidMethod(env, jCur, cursorIDs.mSetPData, xcursor);
-    return xcursor;
-}
-
-/*
- * Class:     java_awt_Cursor
- * Method:    finalizeImpl
- * Signature: ()V
- */
-JNIEXPORT void JNICALL
-Java_java_awt_Cursor_finalizeImpl(JNIEnv *env, jclass clazz, jlong pData)
-{
-    Cursor xcursor;
-
-    xcursor = (Cursor)pData;
-    if (xcursor != None) {
-        AWT_LOCK();
-        XFreeCursor(awt_display, xcursor);
-        AWT_UNLOCK();
-    }
-}
-
-/*
- *  normal replace : CACHE_UDPATE  => update curComp and updateCursor
- *  not replace    : UPDATE_ONLY   => intact curComp but updateCursor
- *  only replace   : CACHE_ONLY    => update curComp only, not updateCursor
- *
- *  This function should only be called under AWT_LOCK(). Otherwise
- *  multithreaded access can corrupt the value of curComp variable.
- */
-void updateCursor(XPointer client_data, int32_t replace) {
-
-    static jclass globalCursorManagerClass = NULL;
-    static jmethodID updateCursorID = NULL;
-
-    JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
-    jobject peer = (jobject) client_data;
-    jobject target;
-
-    if ((*env)->PushLocalFrame(env, 16) < 0)
-        return;
-
-    target = (*env)->GetObjectField(env, peer, mComponentPeerIDs.target);
-    if (replace != UPDATE_ONLY) {
-        if (!JNU_IsNull(env, curComp)) {
-            (*env)->DeleteWeakGlobalRef(env, curComp);
-        }
-        curComp = (*env)->NewWeakGlobalRef(env, target);
-        if (replace == CACHE_ONLY) {
-            (*env)->PopLocalFrame(env, 0);
-            return;
-        }
-    }
-
-    /* Initialize our java identifiers once. Checking before locking
-     * is a huge performance win.
-     */
-    if (globalCursorManagerClass == NULL) {
-        jobject sysClass = (*env)->FindClass(env, "sun/awt/motif/MGlobalCursorManager");
-        if (sysClass != NULL) {
-            /* Make this class 'sticky', we don't want it GC'd */
-            globalCursorManagerClass = (*env)->NewGlobalRef(env, sysClass);
-
-            updateCursorID = (*env)->GetStaticMethodID(env,
-                                                       globalCursorManagerClass,
-                                                       "nativeUpdateCursor",
-                                                       "(Ljava/awt/Component;)V"
-                                                       );
-        }
-        if (JNU_IsNull(env, globalCursorManagerClass) || updateCursorID == NULL) {
-            JNU_ThrowClassNotFoundException(env, "sun/awt/motif/MGlobalCursorManager");
-            (*env)->PopLocalFrame(env, 0);
-            return;
-        }
-    } /* globalCursorManagerClass == NULL*/
-
-    (*env)->CallStaticVoidMethod(env, globalCursorManagerClass,
-                                 updateCursorID, target);
-    DASSERT(!((*env)->ExceptionOccurred(env)));
-    (*env)->PopLocalFrame(env, 0);
-}
-
-/*
- * Only call this function under AWT_LOCK(). Otherwise multithreaded
- * access can corrupt the value of curComp variable.
- */
-jobject getCurComponent() {
-    JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
-    return (*env)->NewLocalRef(env, curComp);
-}