| /* |
| * Copyright (c) 2003, 2017, 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. |
| */ |
| |
| #include <windowsx.h> |
| #include <jni.h> |
| #include <jni_util.h> |
| #include "awt.h" |
| #include "awt_Object.h" |
| #include "awt_Component.h" |
| |
| extern "C" { |
| |
| /* |
| * Class: sun_awt_windows_WMouseInfoPeer |
| * Method: isWindowUnderMouse |
| * Signature: (Ljava/awt/Window)Z |
| */ |
| JNIEXPORT jboolean JNICALL |
| Java_sun_awt_windows_WMouseInfoPeer_isWindowUnderMouse(JNIEnv *env, jclass cls, |
| jobject window) |
| { |
| POINT pt; |
| |
| if (env->EnsureLocalCapacity(1) < 0) { |
| return JNI_FALSE; |
| } |
| |
| jobject winPeer = AwtObject::GetPeerForTarget(env, window); |
| CHECK_NULL_RETURN(winPeer, JNI_FALSE); |
| PDATA pData; |
| pData = JNI_GET_PDATA(winPeer); |
| env->DeleteLocalRef(winPeer); |
| if (pData == NULL) { |
| return JNI_FALSE; |
| } |
| |
| AwtComponent * ourWindow = (AwtComponent *)pData; |
| HWND hwnd = ourWindow->GetHWnd(); |
| VERIFY(::GetCursorPos(&pt)); |
| |
| AwtComponent * componentFromPoint = AwtComponent::GetComponent(::WindowFromPoint(pt)); |
| |
| while (componentFromPoint != NULL |
| && componentFromPoint->GetHWnd() != hwnd |
| && !AwtComponent::IsTopLevelHWnd(componentFromPoint->GetHWnd())) |
| { |
| componentFromPoint = componentFromPoint->GetParent(); |
| } |
| |
| return ((componentFromPoint != NULL) && (componentFromPoint->GetHWnd() == hwnd)) ? JNI_TRUE : JNI_FALSE; |
| |
| } |
| |
| /* |
| * Class: sun_awt_windows_WMouseInfoPeer |
| * Method: fillPointWithCoords |
| * Signature: (Ljava/awt/Point)I |
| */ |
| JNIEXPORT jint JNICALL |
| Java_sun_awt_windows_WMouseInfoPeer_fillPointWithCoords(JNIEnv *env, jclass cls, jobject point) |
| { |
| static jclass pointClass = NULL; |
| static jfieldID xID, yID; |
| POINT pt; |
| |
| VERIFY(::GetCursorPos(&pt)); |
| if (pointClass == NULL) { |
| jclass pointClassLocal = env->FindClass("java/awt/Point"); |
| DASSERT(pointClassLocal != NULL); |
| if (pointClassLocal == NULL) { |
| return (jint)0; |
| } |
| pointClass = (jclass)env->NewGlobalRef(pointClassLocal); |
| env->DeleteLocalRef(pointClassLocal); |
| } |
| |
| HMONITOR monitor = MonitorFromPoint(pt, MONITOR_DEFAULTTOPRIMARY); |
| int screen = AwtWin32GraphicsDevice::GetScreenFromHMONITOR(monitor); |
| Devices::InstanceAccess devices; |
| AwtWin32GraphicsDevice *device = devices->GetDevice(screen); |
| |
| xID = env->GetFieldID(pointClass, "x", "I"); |
| CHECK_NULL_RETURN(xID, (jint)0); |
| yID = env->GetFieldID(pointClass, "y", "I"); |
| CHECK_NULL_RETURN(yID, (jint)0); |
| |
| int x = (device == NULL) ? pt.x : device->ScaleDownX(pt.x); |
| int y = (device == NULL) ? pt.y : device->ScaleDownY(pt.y); |
| |
| env->SetIntField(point, xID, x); |
| env->SetIntField(point, yID, y); |
| |
| // Always return 0 on Windows: we assume there's always a |
| // virtual screen device used. |
| return (jint)0; |
| } |
| |
| } // extern "C" |