8035568: [macosx] Cursor management unification

Reviewed-by: anthony, serb

src/macosx/classes/sun/lwawt/LWMouseInfoPeer.java

@@ -51,8 +51,12 @@ public class LWMouseInfoPeer implements MouseInfoPeer {
             return false;
         }
 
-        final Object windowPeer = AWTAccessor.getComponentAccessor().getPeer(w);
-        return LWWindowPeer.getWindowUnderCursor() == windowPeer;
+        LWWindowPeer windowPeer = (LWWindowPeer)AWTAccessor.getComponentAccessor().getPeer(w);
+        if (windowPeer == null) {
+            return false;
+        }
+
+        return LWToolkit.getLWToolkit().getPlatformWindowUnderMouse() == windowPeer.getPlatformWindow();
     }
 
 }

src/macosx/classes/sun/lwawt/LWToolkit.java

@@ -385,6 +385,8 @@ public abstract class LWToolkit extends SunToolkit implements Runnable {
         return new LWMouseInfoPeer();
     }
 
+    protected abstract PlatformWindow getPlatformWindowUnderMouse();
+
     @Override
     public final PrintJob getPrintJob(Frame frame, String doctitle,
                                       Properties props) {

src/macosx/classes/sun/lwawt/LWWindowPeer.java

@@ -749,11 +749,10 @@ public class LWWindowPeer
                 lastMouseEventPeer = targetPeer;
             }
         } else {
-            PlatformWindow topmostPlatforWindow =
-                    platformWindow.getTopmostPlatformWindowUnderMouse();
+            PlatformWindow topmostPlatformWindow = LWToolkit.getLWToolkit().getPlatformWindowUnderMouse();
 
             LWWindowPeer topmostWindowPeer =
-                    topmostPlatforWindow != null ? topmostPlatforWindow.getPeer() : null;
+                    topmostPlatformWindow != null ? topmostPlatformWindow.getPeer() : null;
 
             // topmostWindowPeer == null condition is added for the backward
             // compatibility with applets. It can be removed when the
@@ -764,8 +763,7 @@ public class LWWindowPeer
                         screenX, screenY, modifiers, clickCount, popupTrigger,
                         targetPeer);
             } else {
-                LWComponentPeer<?, ?> topmostTargetPeer =
-                        topmostWindowPeer != null ? topmostWindowPeer.findPeerAt(r.x + x, r.y + y) : null;
+                LWComponentPeer<?, ?> topmostTargetPeer = topmostWindowPeer.findPeerAt(r.x + x, r.y + y);
                 topmostWindowPeer.generateMouseEnterExitEventsForComponents(when, button, x, y,
                         screenX, screenY, modifiers, clickCount, popupTrigger,
                         topmostTargetPeer);

src/macosx/classes/sun/lwawt/PlatformWindow.java

@@ -107,8 +107,6 @@ public interface PlatformWindow {
 
     public void setAlwaysOnTop(boolean value);
 
-    public PlatformWindow getTopmostPlatformWindowUnderMouse();
-
     public void updateFocusableWindowState();
 
     public boolean rejectFocusRequest(CausedFocusEvent.Cause cause);

src/macosx/classes/sun/lwawt/macosx/CPlatformEmbeddedFrame.java

@@ -129,11 +129,6 @@ public class CPlatformEmbeddedFrame implements PlatformWindow {
     @Override
     public void setAlwaysOnTop(boolean value) {}
 
-    // This method should be properly implemented for applets.
-    // It returns null just as a stub.
-    @Override
-    public PlatformWindow getTopmostPlatformWindowUnderMouse() { return null; }
-
     @Override
     public void updateFocusableWindowState() {}
 

src/macosx/classes/sun/lwawt/macosx/CPlatformLWWindow.java

@@ -156,11 +156,6 @@ public class CPlatformLWWindow extends CPlatformWindow {
     public void setAlwaysOnTop(boolean isAlwaysOnTop) {
     }
 
-    @Override
-    public PlatformWindow getTopmostPlatformWindowUnderMouse(){
-        return null;
-    }
-
     @Override
     public void setOpacity(float opacity) {
     }

src/macosx/classes/sun/lwawt/macosx/CPlatformWindow.java

@@ -65,9 +65,9 @@ public class CPlatformWindow extends CFRetainedResource implements PlatformWindo
     private static native void nativeSetEnabled(long nsWindowPtr, boolean isEnabled);
     private static native void nativeSynthesizeMouseEnteredExitedEvents();
     private static native void nativeDispose(long nsWindowPtr);
-    private static native CPlatformWindow nativeGetTopmostPlatformWindowUnderMouse();
     private static native void nativeEnterFullScreenMode(long nsWindowPtr);
     private static native void nativeExitFullScreenMode(long nsWindowPtr);
+    static native CPlatformWindow nativeGetTopmostPlatformWindowUnderMouse();
 
     // Loger to report issues happened during execution but that do not affect functionality
     private static final PlatformLogger logger = PlatformLogger.getLogger("sun.lwawt.macosx.CPlatformWindow");
@@ -769,10 +769,6 @@ public class CPlatformWindow extends CFRetainedResource implements PlatformWindo
         setStyleBits(ALWAYS_ON_TOP, isAlwaysOnTop);
     }
 
-    public PlatformWindow getTopmostPlatformWindowUnderMouse(){
-        return CPlatformWindow.nativeGetTopmostPlatformWindowUnderMouse();
-    }
-
     @Override
     public void setOpacity(float opacity) {
         execute(ptr -> CWrapper.NSWindow.setAlphaValue(ptr, opacity));

src/macosx/classes/sun/lwawt/macosx/CRobot.java

@@ -78,7 +78,7 @@ class CRobot implements RobotPeer {
     @Override
     public void mousePress(int buttons) {
         mouseButtonsState |= buttons;
-
+        checkMousePos();
         mouseEvent(fDevice.getCGDisplayID(), mouseLastX, mouseLastY,
                    buttons, true, false);
     }
@@ -92,11 +92,40 @@ class CRobot implements RobotPeer {
     @Override
     public void mouseRelease(int buttons) {
         mouseButtonsState &= ~buttons;
-
+        checkMousePos();
         mouseEvent(fDevice.getCGDisplayID(), mouseLastX, mouseLastY,
                    buttons, false, false);
     }
 
+    /**
+     * Set unknown mouse location, if needed.
+     */
+    private void checkMousePos() {
+        if (mouseLastX == MOUSE_LOCATION_UNKNOWN ||
+                mouseLastY == MOUSE_LOCATION_UNKNOWN) {
+
+            Rectangle deviceBounds = fDevice.getDefaultConfiguration().getBounds();
+            Point mousePos = CCursorManager.getInstance().getCursorPosition();
+
+            if (mousePos.x < deviceBounds.x) {
+                mousePos.x = deviceBounds.x;
+            }
+            else if (mousePos.x > deviceBounds.x + deviceBounds.width) {
+                mousePos.x = deviceBounds.x + deviceBounds.width;
+            }
+
+            if (mousePos.y < deviceBounds.y) {
+                mousePos.y = deviceBounds.y;
+            }
+            else if (mousePos.y > deviceBounds.y + deviceBounds.height) {
+                mousePos.y = deviceBounds.y + deviceBounds.height;
+            }
+
+            mouseLastX = mousePos.x;
+            mouseLastY = mousePos.y;
+        }
+    }
+
     @Override
     public native void mouseWheel(int wheelAmt);
 

src/macosx/classes/sun/lwawt/macosx/CViewPlatformEmbeddedFrame.java

@@ -143,11 +143,6 @@ public class CViewPlatformEmbeddedFrame implements PlatformWindow {
     public void setAlwaysOnTop(boolean value) {
     }
 
-    @Override
-    public PlatformWindow getTopmostPlatformWindowUnderMouse() {
-        return null;
-    }
-
     @Override
     public void updateFocusableWindowState() {
     }

src/macosx/classes/sun/lwawt/macosx/LWCToolkit.java

@@ -917,4 +917,9 @@ public final class LWCToolkit extends LWToolkit {
                 !path.endsWith("/") &&
                 !path.endsWith(".");
     }
+
+    @Override
+    protected PlatformWindow getPlatformWindowUnderMouse() {
+        return CPlatformWindow.nativeGetTopmostPlatformWindowUnderMouse();
+    }
 }

src/macosx/native/sun/awt/AWTWindow.m

@@ -1255,15 +1255,16 @@ JNIEXPORT jobject
 JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativeGetTopmostPlatformWindowUnderMouse
 (JNIEnv *env, jclass clazz)
 {
-    jobject topmostWindowUnderMouse = nil;
+    __block jobject topmostWindowUnderMouse = nil;
 
     JNF_COCOA_ENTER(env);
-    AWT_ASSERT_APPKIT_THREAD;
 
+    [ThreadUtilities performOnMainThreadWaiting:YES block:^{
         AWTWindow *awtWindow = [AWTWindow getTopmostWindowUnderMouse];
         if (awtWindow != nil) {
             topmostWindowUnderMouse = [awtWindow.javaPlatformWindow jObject];
         }
+    }];
 
     JNF_COCOA_EXIT(env);
 

src/macosx/native/sun/awt/CCursorManager.m

@@ -118,13 +118,11 @@ Java_sun_lwawt_macosx_CCursorManager_nativeGetCursorPosition
 
 JNF_COCOA_ENTER(env);
 
-    __block NSPoint pt = NSZeroPoint;
+    CGEventRef event = CGEventCreate(NULL);
+    CGPoint globalPos = CGEventGetLocation(event);
+    CFRelease(event);
 
-    [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
-            pt = ConvertNSScreenPoint(env, [NSEvent mouseLocation]);
-    }];
-    
-    jpt = NSToJavaPoint(env, pt);
+    jpt = NSToJavaPoint(env, globalPos);
 
 JNF_COCOA_EXIT(env);
 

src/macosx/native/sun/awt/CRobot.m

@@ -146,47 +146,10 @@ Java_sun_lwawt_macosx_CRobot_mouseEvent
 
     // This is the native method called when Robot mouse events occur.
     // The CRobot tracks the mouse position, and which button was
-    // pressed. If the mouse position is unknown it is obtained from
-    // CGEvents. The peer also tracks the mouse button desired state,
+    // pressed. The peer also tracks the mouse button desired state,
     // the appropriate key modifier state, and whether the mouse action
     // is simply a mouse move with no mouse button state changes.
 
-    CGError err = kCGErrorSuccess;
-
-    CGRect globalDeviceBounds = CGDisplayBounds(displayID);
-
-    // Set unknown mouse location, if needed.
-    if ((mouseLastX == sun_lwawt_macosx_CRobot_MOUSE_LOCATION_UNKNOWN) ||
-        (mouseLastY == sun_lwawt_macosx_CRobot_MOUSE_LOCATION_UNKNOWN))
-    {
-        CGEventRef event = CGEventCreate(NULL);
-        if (event == NULL) {
-            return;
-        }
-
-        CGPoint globalPos = CGEventGetLocation(event);
-        CFRelease(event);
-
-        // Normalize the coords within this display device, as
-        // per Robot rules.
-        if (globalPos.x < CGRectGetMinX(globalDeviceBounds)) {
-            globalPos.x = CGRectGetMinX(globalDeviceBounds);
-        }
-        else if (globalPos.x > CGRectGetMaxX(globalDeviceBounds)) {
-            globalPos.x = CGRectGetMaxX(globalDeviceBounds);
-        }
-
-        if (globalPos.y < CGRectGetMinY(globalDeviceBounds)) {
-            globalPos.y = CGRectGetMinY(globalDeviceBounds);
-        }
-        else if (globalPos.y > CGRectGetMaxY(globalDeviceBounds)) {
-            globalPos.y = CGRectGetMaxY(globalDeviceBounds);
-        }
-
-        mouseLastX = (jint)globalPos.x;
-        mouseLastY = (jint)globalPos.y;
-    }
-
     // volatile, otherwise it warns that it might be clobbered by 'longjmp'
     volatile CGPoint point;