| /* |
| * Copyright (c) 2003, 2008, 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. |
| */ |
| |
| #ifdef HEADLESS |
| #error This file should not be included in headless library |
| #endif |
| |
| #include "awt_p.h" |
| #include "awt_Component.h" |
| |
| #include <jni.h> |
| #include <jni_util.h> |
| |
| extern int awt_numScreens; |
| extern AwtScreenDataPtr x11Screens; |
| extern struct ComponentIDs componentIDs; |
| extern struct MComponentPeerIDs mComponentPeerIDs; |
| |
| /* |
| * Class: sun_awt_DefaultMouseInfoPeer |
| * Method: fillPointWithCoords |
| * Signature: (Ljava/awt/Point)I |
| */ |
| JNIEXPORT jint JNICALL |
| Java_sun_awt_DefaultMouseInfoPeer_fillPointWithCoords(JNIEnv *env, jclass cls, |
| jobject point) |
| { |
| static jclass pointClass = NULL; |
| jclass pointClassLocal; |
| static jfieldID xID, yID; |
| Window rootWindow, childWindow; |
| int i; |
| int32_t xr, yr, xw, yw; |
| uint32_t keys; |
| Bool pointerFound; |
| |
| AWT_LOCK(); |
| if (pointClass == NULL) { |
| pointClassLocal = (*env)->FindClass(env, "java/awt/Point"); |
| DASSERT(pointClassLocal != NULL); |
| if (pointClassLocal == NULL) { |
| AWT_UNLOCK(); |
| return (jint)0; |
| } |
| pointClass = (jclass)(*env)->NewGlobalRef(env, pointClassLocal); |
| (*env)->DeleteLocalRef(env, pointClassLocal); |
| xID = (*env)->GetFieldID(env, pointClass, "x", "I"); |
| yID = (*env)->GetFieldID(env, pointClass, "y", "I"); |
| } |
| |
| for (i = 0; i < awt_numScreens; i++) { |
| pointerFound = XQueryPointer(awt_display, x11Screens[i].root, |
| &rootWindow, &childWindow, |
| &xr, &yr, &xw, &yw, &keys); |
| if (pointerFound) { |
| (*env)->SetIntField(env, point, xID, xr); |
| (*env)->SetIntField(env, point, yID, yr); |
| AWT_UNLOCK(); |
| return (jint)i; |
| } |
| } |
| /* This should never happen */ |
| DASSERT(FALSE); |
| AWT_UNLOCK(); |
| return (jint)0; |
| } |
| |
| /* |
| * Class: sun_awt_DefaultMouseInfoPeer |
| * Method: isWindowUnderMouse |
| * Signature: (Ljava/awt/Window)Z |
| */ |
| JNIEXPORT jboolean JNICALL Java_sun_awt_DefaultMouseInfoPeer_isWindowUnderMouse |
| (JNIEnv * env, jclass cls, jobject window) |
| { |
| Window rootWindow = None, parentWindow = None, siblingWindow = None; |
| Window * children = NULL; |
| int i = 0; |
| int is_the_same_screen = 0; |
| int32_t xr = 0, yr = 0, xw = 0, yw = 0; |
| uint32_t keys = 0; |
| uint32_t nchildren = 0; |
| Bool pointerFound = 0; |
| struct FrameData *wdata = NULL; |
| jobject winPeer = NULL; |
| |
| if ((*env)->EnsureLocalCapacity(env, 1) < 0) { |
| return JNI_FALSE; |
| } |
| winPeer = (*env)->GetObjectField(env, window, componentIDs.peer); |
| if (JNU_IsNull(env, winPeer)) { |
| return JNI_FALSE; |
| } |
| |
| wdata = (struct FrameData *) |
| JNU_GetLongFieldAsPtr(env, winPeer, mComponentPeerIDs.pData); |
| (*env)->DeleteLocalRef(env, winPeer); |
| |
| if (wdata == NULL) { |
| return JNI_FALSE; |
| } |
| |
| AWT_LOCK(); |
| |
| XQueryTree(awt_display, XtWindow(wdata->winData.comp.widget), |
| &rootWindow, &parentWindow, &children, &nchildren); |
| |
| is_the_same_screen = XQueryPointer(awt_display, parentWindow, |
| &rootWindow, &siblingWindow, &xr, &yr, &xw, &yw, &keys); |
| |
| if (siblingWindow == XtWindow(wdata->winData.comp.widget) && is_the_same_screen) { |
| AWT_UNLOCK(); |
| return JNI_TRUE; |
| } |
| |
| AWT_UNLOCK(); |
| return JNI_FALSE ; |
| |
| } |