/*
* Copyright (c) 2003, 2018, 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
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package sun.awt.X11;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.ColorModel;
import java.awt.image.ImageObserver;
import java.awt.image.ImageProducer;
import java.awt.image.VolatileImage;
import java.awt.peer.*;
import sun.java2d.pipe.Region;
import sun.awt.*;
public class XEmbedChildProxyPeer implements ComponentPeer, XEventDispatcher{
XEmbeddingContainer container;
XEmbedChildProxy proxy;
long handle;
XEmbedChildProxyPeer(XEmbedChildProxy proxy) {
this.container = proxy.getEmbeddingContainer();
this.handle = proxy.getHandle();
this.proxy = proxy;
initDispatching();
}
void initDispatching() {
XToolkit.awtLock();
try {
XToolkit.addEventDispatcher(handle, this);
XlibWrapper.XSelectInput(XToolkit.getDisplay(), handle,
XConstants.StructureNotifyMask | XConstants.PropertyChangeMask);
}
finally {
XToolkit.awtUnlock();
}
container.notifyChildEmbedded(handle);
}
public boolean isObscured() { return false; }
public boolean canDetermineObscurity() { return false; }
public void setVisible(boolean b) {
if (!b) {
XToolkit.awtLock();
try {
XlibWrapper.XUnmapWindow(XToolkit.getDisplay(), handle);
}
finally {
XToolkit.awtUnlock();
}
} else {
XToolkit.awtLock();
try {
XlibWrapper.XMapWindow(XToolkit.getDisplay(), handle);
}
finally {
XToolkit.awtUnlock();
}
}
}
public void setEnabled(boolean b) {}
public void paint(Graphics g) {}
public void print(Graphics g) {}
public void setBounds(int x, int y, int width, int height, int op) {
// Unimplemeneted: Check for min/max hints for non-resizable
XToolkit.awtLock();
try {
XlibWrapper.XMoveResizeWindow(XToolkit.getDisplay(), handle, x, y, width, height);
}
finally {
XToolkit.awtUnlock();
}
}
public void handleEvent(AWTEvent e) {
switch (e.getID()) {
case FocusEvent.FOCUS_GAINED:
XKeyboardFocusManagerPeer.getInstance().setCurrentFocusOwner(proxy);
container.focusGained(handle);
break;
case FocusEvent.FOCUS_LOST:
XKeyboardFocusManagerPeer.getInstance().setCurrentFocusOwner(null);
container.focusLost(handle);
break;
case KeyEvent.KEY_PRESSED:
case KeyEvent.KEY_RELEASED:
if (!((InputEvent)e).isConsumed()) {
container.forwardKeyEvent(handle, (KeyEvent)e);
}
break;
}
}
public void coalescePaintEvent(PaintEvent e) {}
public Point getLocationOnScreen() {
XWindowAttributes attr = new XWindowAttributes();
XToolkit.awtLock();
try{
XlibWrapper.XGetWindowAttributes(XToolkit.getDisplay(), handle, attr.pData);
return new Point(attr.get_x(), attr.get_y());
} finally {
XToolkit.awtUnlock();
attr.dispose();
}
}
public Dimension getPreferredSize() {
XToolkit.awtLock();
long p_hints = XlibWrapper.XAllocSizeHints();
try {
XSizeHints hints = new XSizeHints(p_hints);
XlibWrapper.XGetWMNormalHints(XToolkit.getDisplay(), handle, p_hints, XlibWrapper.larg1);
Dimension res = new Dimension(hints.get_width(), hints.get_height());
return res;
} finally {
XlibWrapper.XFree(p_hints);
XToolkit.awtUnlock();
}
}
public Dimension getMinimumSize() {
XToolkit.awtLock();
long p_hints = XlibWrapper.XAllocSizeHints();
try {
XSizeHints hints = new XSizeHints(p_hints);
XlibWrapper.XGetWMNormalHints(XToolkit.getDisplay(), handle, p_hints, XlibWrapper.larg1);
Dimension res = new Dimension(hints.get_min_width(), hints.get_min_height());
return res;
} finally {
XlibWrapper.XFree(p_hints);
XToolkit.awtUnlock();
}
}
public ColorModel getColorModel() { return null; }
public Toolkit getToolkit() { return Toolkit.getDefaultToolkit(); }
public Graphics getGraphics() { return null; }
public FontMetrics getFontMetrics(Font font) { return null; }
public void dispose() {
container.detachChild(handle);
}
public void setForeground(Color c) {}
public void setBackground(Color c) {}
public void setFont(Font f) {}
public void updateCursorImmediately() {}
void postEvent(AWTEvent event) {
XToolkit.postEvent(XToolkit.targetToAppContext(proxy), event);
}
boolean simulateMotifRequestFocus(Component lightweightChild, boolean temporary,
boolean focusedWindowChangeAllowed, long time)
{
if (lightweightChild == null) {
lightweightChild = (Component)proxy;
}
Component currentOwner = XKeyboardFocusManagerPeer.getInstance().getCurrentFocusOwner();
if (currentOwner != null && !currentOwner.isDisplayable()) {
currentOwner = null;
}
FocusEvent fg = new FocusEvent(lightweightChild, FocusEvent.FOCUS_GAINED, false, currentOwner );
FocusEvent fl = null;
if (currentOwner != null) {
fl = new FocusEvent(currentOwner, FocusEvent.FOCUS_LOST, false, lightweightChild);
}
// TODO: do we need to wrap in sequenced?
if (fl != null) {
postEvent(XComponentPeer.wrapInSequenced(fl));
}
postEvent(XComponentPeer.wrapInSequenced(fg));
// End of Motif compatibility code
return true;
}
public boolean requestFocus(Component lightweightChild,
boolean temporary,
boolean focusedWindowChangeAllowed,
long time,
FocusEvent.Cause cause)
{
int result = XKeyboardFocusManagerPeer
.shouldNativelyFocusHeavyweight(proxy, lightweightChild,
temporary, false, time, cause);
switch (result) {
case XKeyboardFocusManagerPeer.SNFH_FAILURE:
return false;
case XKeyboardFocusManagerPeer.SNFH_SUCCESS_PROCEED:
// Currently we just generate focus events like we deal with lightweight instead of calling
// XSetInputFocus on native window
/**
* The problems with requests in non-focused window arise because shouldNativelyFocusHeavyweight
* checks that native window is focused while appropriate WINDOW_GAINED_FOCUS has not yet
* been processed - it is in EventQueue. Thus, SNFH allows native request and stores request record
* in requests list - and it breaks our requests sequence as first record on WGF should be the last focus
* owner which had focus before WLF. So, we should not add request record for such requests
* but store this component in mostRecent - and return true as before for compatibility.
*/
Container parent = proxy.getParent();
// Search for parent window
while (parent != null && !(parent instanceof Window)) {
parent = parent.getParent();
}
if (parent != null) {
Window parentWindow = (Window)parent;
// and check that it is focused
if (!parentWindow.isFocused() &&
XKeyboardFocusManagerPeer.getInstance().getCurrentFocusedWindow() == parentWindow) {
// if it is not - skip requesting focus on Solaris
// but return true for compatibility.
return true;
}
}
// NOTE: We simulate heavyweight behavior of Motif - component receives focus right
// after request, not after event. Normally, we should better listen for event
// by listeners.
// TODO: consider replacing with XKeyboardFocusManagerPeer.deliverFocus
return simulateMotifRequestFocus(lightweightChild, temporary, focusedWindowChangeAllowed, time);
// Motif compatibility code
case XKeyboardFocusManagerPeer.SNFH_SUCCESS_HANDLED:
// Either lightweight or excessive requiest - all events are generated.
return true;
}
return false;
}
public boolean isFocusable() {
return true;
}
public Image createImage(ImageProducer producer) { return null; }
public Image createImage(int width, int height) { return null; }
public VolatileImage createVolatileImage(int width, int height) { return null; }
public boolean prepareImage(Image img, int w, int h, ImageObserver o) { return false; }
public int checkImage(Image img, int w, int h, ImageObserver o) { return 0; }
public GraphicsConfiguration getGraphicsConfiguration() { return null; }
public boolean handlesWheelScrolling() { return true; }
public void createBuffers(int numBuffers, BufferCapabilities caps)
throws AWTException { }
public Image getBackBuffer() { return null; }
public void flip(int x1, int y1, int x2, int y2, BufferCapabilities.FlipContents flipAction) { }
public void destroyBuffers() { }
/**
* Used by lightweight implementations to tell a ComponentPeer to layout
* its sub-elements. For instance, a lightweight Checkbox needs to layout
* the box, as well as the text label.
*/
public void layout() {}
Window getTopLevel(Component comp) {
while (comp != null && !(comp instanceof Window)) {
comp = comp.getParent();
}
return (Window)comp;
}
void childResized() {
XToolkit.postEvent(XToolkit.targetToAppContext(proxy), new ComponentEvent(proxy, ComponentEvent.COMPONENT_RESIZED));
container.childResized(proxy);
// XToolkit.postEvent(XToolkit.targetToAppContext(proxy), new InvocationEvent(proxy, new Runnable() {
// public void run() {
// getTopLevel(proxy).invalidate();
// getTopLevel(proxy).pack();
// }
// }));
}
void handlePropertyNotify(XEvent xev) {
XPropertyEvent ev = xev.get_xproperty();
if (ev.get_atom() == XAtom.XA_WM_NORMAL_HINTS) {
childResized();
}
}
void handleConfigureNotify(XEvent xev) {
childResized();
}
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