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jeremybenn |
/* GtkFramePeer.java -- Implements FramePeer with GTK
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Copyright (C) 1999, 2002, 2004, 2006, 2007 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.java.awt.peer.gtk;
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import java.awt.Frame;
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import java.awt.Image;
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import java.awt.MenuBar;
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import java.awt.Rectangle;
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import java.awt.peer.FramePeer;
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import java.awt.peer.MenuBarPeer;
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public class GtkFramePeer extends GtkWindowPeer
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implements FramePeer
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{
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private int menuBarHeight;
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private MenuBarPeer menuBar;
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native int getMenuBarHeight (MenuBarPeer bar);
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native void setMenuBarWidthUnlocked (MenuBarPeer bar, int width);
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native void setMenuBarWidth (MenuBarPeer bar, int width);
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native void setMenuBarPeer (MenuBarPeer bar);
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native void removeMenuBarPeer ();
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native void gtkFixedSetVisible (boolean visible);
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private native void maximize();
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private native void unmaximize();
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private native void iconify();
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private native void deiconify();
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int getMenuBarHeight ()
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{
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return menuBar == null ? 0 : getMenuBarHeight (menuBar);
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}
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public void setMenuBar (MenuBar bar)
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{
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if (bar == null && menuBar != null)
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{
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// We're removing the menubar.
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gtkFixedSetVisible (false);
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menuBar = null;
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removeMenuBarPeer ();
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insets.top -= menuBarHeight;
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menuBarHeight = 0;
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// if component has already been validated, we need to revalidate.
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// otherwise, it will be validated when it is shown.
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if (awtComponent.isValid())
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awtComponent.validate ();
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gtkFixedSetVisible (true);
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}
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else if (bar != null && menuBar == null)
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{
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// We're adding a menubar where there was no menubar before.
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gtkFixedSetVisible (false);
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menuBar = (MenuBarPeer) bar.getPeer();
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setMenuBarPeer (menuBar);
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int menuBarWidth =
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awtComponent.getWidth () - insets.left - insets.right;
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if (menuBarWidth > 0)
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setMenuBarWidth (menuBar, menuBarWidth);
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menuBarHeight = getMenuBarHeight ();
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insets.top += menuBarHeight;
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// if component has already been validated, we need to revalidate.
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// otherwise, it will be validated when it is shown.
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if (awtComponent.isValid())
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awtComponent.validate ();
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gtkFixedSetVisible (true);
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}
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else if (bar != null && menuBar != null)
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{
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// We're swapping the menubar.
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gtkFixedSetVisible (false);
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removeMenuBarPeer();
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int oldHeight = menuBarHeight;
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int menuBarWidth =
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awtComponent.getWidth () - insets.left - insets.right;
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menuBar = (MenuBarPeer) bar.getPeer ();
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setMenuBarPeer (menuBar);
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if (menuBarWidth > 0)
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setMenuBarWidth (menuBar, menuBarWidth);
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menuBarHeight = getMenuBarHeight ();
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if (oldHeight != menuBarHeight)
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{
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insets.top += (menuBarHeight - oldHeight);
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awtComponent.validate ();
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}
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gtkFixedSetVisible (true);
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}
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}
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public void setBounds (int x, int y, int width, int height)
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{
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int menuBarWidth = width - insets.left - insets.right;
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if (menuBar != null && menuBarWidth > 0)
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setMenuBarWidth (menuBar, menuBarWidth);
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super.setBounds(x, y, width, height + menuBarHeight);
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}
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public void setResizable (boolean resizable)
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{
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// Call setSize; otherwise when resizable is changed from true to
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// false the frame will shrink to the dimensions it had before it
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// was resizable.
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setSize (awtComponent.getWidth() - insets.left - insets.right,
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awtComponent.getHeight() - insets.top - insets.bottom
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+ menuBarHeight);
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gtkWindowSetResizable (resizable);
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}
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protected void postInsetsChangedEvent (int top, int left,
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int bottom, int right)
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{
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insets.top = top + menuBarHeight;
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insets.left = left;
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insets.bottom = bottom;
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insets.right = right;
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}
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public GtkFramePeer (Frame frame)
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{
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super (frame);
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}
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void create ()
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{
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// Create a normal decorated window.
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create (GDK_WINDOW_TYPE_HINT_NORMAL,
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!((Frame) awtComponent).isUndecorated ());
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Frame frame = (Frame) awtComponent;
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setMenuBar (frame.getMenuBar ());
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setTitle (frame.getTitle ());
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gtkWindowSetResizable (frame.isResizable ());
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setIconImage(frame.getIconImage());
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}
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native void nativeSetIconImage (GtkImage image);
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public void setIconImage (Image image)
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{
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if (image != null)
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{
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GtkImage gtkImage;
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if (image instanceof GtkImage)
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gtkImage = (GtkImage) image;
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else
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gtkImage = new GtkImage(image.getSource());
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if (gtkImage.isLoaded && ! gtkImage.errorLoading)
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nativeSetIconImage(gtkImage);
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}
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}
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protected void postConfigureEvent (int x, int y, int width, int height)
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{
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if (menuBar != null && width > 0)
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setMenuBarWidthUnlocked (menuBar, width);
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// Since insets.top already includes the MenuBar's height, we need
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// to subtract the MenuBar's height from the top inset.
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int frame_height = height - menuBarHeight;
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// Likewise, since insets.top includes the MenuBar height, we need
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// to add back the MenuBar height to the frame's y position. If
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// no MenuBar exists in this frame, the MenuBar height will be 0.
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int frame_y = y + menuBarHeight;
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super.postConfigureEvent(x, frame_y, width, frame_height);
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}
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public int getState ()
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{
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return windowState;
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}
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public void setState (int state)
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{
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switch (state)
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{
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case Frame.NORMAL:
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if ((windowState & Frame.ICONIFIED) != 0)
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deiconify();
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if ((windowState & Frame.MAXIMIZED_BOTH) != 0)
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unmaximize();
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break;
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case Frame.ICONIFIED:
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iconify();
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break;
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case Frame.MAXIMIZED_BOTH:
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maximize();
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}
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}
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public void setMaximizedBounds (Rectangle r)
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{
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}
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public void setBoundsPrivate(int x, int y, int width, int height)
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{
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// TODO Auto-generated method stub
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}
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public boolean requestWindowFocus()
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{
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// TODO Auto-generated method stub
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return false;
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}
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public Rectangle getBoundsPrivate()
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{
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// TODO: Implement this properly.
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throw new InternalError("Not yet implemented");
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}
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}
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