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/* GtkWindowPeer.java -- Implements WindowPeer with GTK

   Copyright (C) 1998, 1999, 2002, 2005  Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2, or (at your option)

any later version.

GNU Classpath 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 for more details.

You should have received a copy of the GNU General Public License

along with GNU Classpath; see the file COPYING.  If not, write to the

Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

02110-1301 USA.

Linking this library statically or dynamically with other modules is

making a combined work based on this library.  Thus, the terms and

conditions of the GNU General Public License cover the whole

combination.

As a special exception, the copyright holders of this library give you

permission to link this library with independent modules to produce an

executable, regardless of the license terms of these independent

modules, and to copy and distribute the resulting executable under

terms of your choice, provided that you also meet, for each linked

independent module, the terms and conditions of the license of that

module.  An independent module is a module which is not derived from

or based on this library.  If you modify this library, you may extend

this exception to your version of the library, but you are not

obligated to do so.  If you do not wish to do so, delete this

exception statement from your version. */

package gnu.java.awt.peer.gtk;

import java.awt.Component;

import java.awt.Frame;

import java.awt.Window;

import java.awt.event.WindowEvent;

import java.awt.peer.WindowPeer;

public class GtkWindowPeer extends GtkContainerPeer

  implements WindowPeer

{

  protected static final int GDK_WINDOW_TYPE_HINT_NORMAL = 0;

  protected static final int GDK_WINDOW_TYPE_HINT_DIALOG = 1;

  protected static final int GDK_WINDOW_TYPE_HINT_MENU = 2;

  protected static final int GDK_WINDOW_TYPE_HINT_TOOLBAR = 3;

  protected static final int GDK_WINDOW_TYPE_HINT_SPLASHSCREEN = 4;

  protected static final int GDK_WINDOW_TYPE_HINT_UTILITY = 5;

  protected static final int GDK_WINDOW_TYPE_HINT_DOCK = 6;

  protected static final int GDK_WINDOW_TYPE_HINT_DESKTOP = 7;

  private boolean hasBeenShown = false;

  private int oldState = Frame.NORMAL;

  native void gtkWindowSetTitle (String title);

  native void gtkWindowSetResizable (boolean resizable);

  native void gtkWindowSetModal (boolean modal);

  native void realize ();

  int getWidth ()

  {

    return awtComponent.getWidth();

  }

  int getHeight ()

  {

    return awtComponent.getHeight();

  }

  native void create (int type, boolean decorated, GtkWindowPeer parent);

  void create (int type, boolean decorated)

  {

    Window window = (Window) awtComponent;

    GtkWindowPeer parent_peer = null;

    Component parent = awtComponent.getParent();

    if (!window.isFocusableWindow())

      type = GDK_WINDOW_TYPE_HINT_MENU;

    if (parent != null)

      parent_peer = (GtkWindowPeer) awtComponent.getParent().getPeer();

    create (type, decorated, parent_peer);

  }

  void create ()

  {

    // Create a normal undecorated window.

    create (GDK_WINDOW_TYPE_HINT_NORMAL, false);

  }

  void setParent ()

  {

    setVisible (awtComponent.isVisible ());

    setEnabled (awtComponent.isEnabled ());

  }

  void setVisibleAndEnabled ()

  {

  }

  public native void setVisibleNative (boolean b);

  public native void setVisibleNativeUnlocked (boolean b);

  native void connectSignals ();

  public GtkWindowPeer (Window window)

  {

    super (window);

  }

  public native void toBack();

  public native void toFront();

  native void nativeSetBounds (int x, int y, int width, int height);

  native void nativeSetBoundsUnlocked (int x, int y, int width, int height);

  public void setBounds (int x, int y, int width, int height)

  {

    // prevent window_configure_cb -> awtComponent.setSize ->

    // peer.setBounds -> nativeSetBounds self-deadlock on GDK lock.

    if (Thread.currentThread() == GtkToolkit.mainThread)

      return;

    nativeSetBounds (x, y,

                     width - insets.left - insets.right,

                     height - insets.top - insets.bottom);

  }

  public void setBoundsUnlocked (int x, int y, int width, int height)

  {

    nativeSetBoundsUnlocked (x, y,

                             width - insets.left - insets.right,

                             height - insets.top - insets.bottom);

  }

  public void setTitle (String title)

  {

    gtkWindowSetTitle (title);

  }

  native void setSize (int width, int height);

  public void setResizable (boolean resizable)

  {

    // Call setSize; otherwise when resizable is changed from true to

    // false the window will shrink to the dimensions it had before it

    // was resizable.

    setSize (awtComponent.getWidth() - insets.left - insets.right,

             awtComponent.getHeight() - insets.top - insets.bottom);

    gtkWindowSetResizable (resizable);

  }

  protected void postInsetsChangedEvent (int top, int left,

                                         int bottom, int right)

  {

    insets.top = top;

    insets.left = left;

    insets.bottom = bottom;

    insets.right = right;

  }

  // called back by native side: window_configure_cb

  // only called from GTK thread

  protected void postConfigureEvent (int x, int y, int width, int height)

  {

    int frame_width = width + insets.left + insets.right;

    int frame_height = height + insets.top + insets.bottom;

    if (frame_width != awtComponent.getWidth()

        || frame_height != awtComponent.getHeight())

      awtComponent.setSize(frame_width, frame_height);

    int frame_x = x - insets.left;

    int frame_y = y - insets.top;

    if (frame_x != awtComponent.getX()

        || frame_y != awtComponent.getY())

      {

        // awtComponent.setLocation(frame_x, frame_y);

      }

  }

  public void show ()

  {

    // Prevent the window manager from automatically placing this

    // window when it is shown.

    setBounds (awtComponent.getX(),

               awtComponent.getY(),

               awtComponent.getWidth(),

               awtComponent.getHeight());

    setVisible (true);

  }

  void postWindowEvent (int id, Window opposite, int newState)

  {

    if (id == WindowEvent.WINDOW_OPENED)

      {

        // Post a WINDOW_OPENED event the first time this window is shown.

        if (!hasBeenShown)

          {

            q().postEvent (new WindowEvent ((Window) awtComponent, id,

                                          opposite));

            hasBeenShown = true;

          }

      }

    else if (id == WindowEvent.WINDOW_STATE_CHANGED)

      {

        if (oldState != newState)

          {

            q().postEvent (new WindowEvent ((Window) awtComponent, id, opposite,

                                          oldState, newState));

            oldState = newState;

          }

      }

    else

      q().postEvent (new WindowEvent ((Window) awtComponent, id, opposite));

  }

  public void updateAlwaysOnTop()

  {

    // TODO Auto-generated method stub

  }

  public boolean requestWindowFocus()

  {

    // TODO Auto-generated method stub

    return false;

  }

}