/*
* 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 ;
}