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/* qtframepeer.cpp --

   Copyright (C)  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. */

#include <assert.h>

#include <QApplication>

#include <QIcon>

#include <QMainWindow>

#include <QMenuBar>

#include <QPixmap>

#include <QToolBar>

#include <QThread>

#include <gnu_java_awt_peer_qt_QtFramePeer.h>

#include "qtcomponent.h"

#include "qtstrings.h"

#include "qtimage.h"

#include "containers.h"

#include "keybindings.h"

#include "mainthreadinterface.h"

#define MenuSizeDefault 5

/*

 * Our QMainWindow subclass

 */

class MyFrame : public QMainWindow

{

public:

  MyFrame(JNIEnv *env, jobject obj) : QMainWindow(0, Qt::Window )

  {

    setup(env, obj);

  }

  ~MyFrame()

  {

    destroy();

  }

#define I_KNOW_WHAT_IM_DOING

#define PARENT QMainWindow

#include "eventmethods.h"

};

/**

 * Event wrapper for adding a menu bar to the frame

 * if the QMenuBar pointer is NULL, the current menu bar is removed.

 */

class FrameMenuEvent : public AWTEvent {

 private:

  QMainWindow *widget;

  QMenuBar *menu;

 public:

  FrameMenuEvent(QMainWindow *w, QMenuBar *mb) : AWTEvent()

  {

    widget = w;

    menu = mb;

  }

  void runEvent()

  {

    if( menu != NULL)

      widget->setMenuBar( menu );

    else

      delete widget->menuBar();

  }

};

/**

 * Returns the child widget for the frame (the centralWidget in qt terms)

 */

QWidget *frameChildWidget( JNIEnv *env, jobject component )

{

  jclass frameCls = env->FindClass( "java/awt/Frame" );

  assert( frameCls );

  jmethodID getPeerMID = env->GetMethodID( frameCls,

                                           "getPeer",

                                           "()Ljava/awt/peer/ComponentPeer;" );

  assert(getPeerMID);

  jobject framepeerobj = env->CallObjectMethod( component, getPeerMID, 0);

  if( framepeerobj == NULL )

    return (QWidget *)NULL;

  MyFrame *window = (MyFrame *)getNativeObject(env, framepeerobj);

  assert( window );

  return window;

}

/*

 * Constructs a QMainWindow native object.

 */

JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtFramePeer_init

(JNIEnv *env, jobject obj)

{

  MyFrame *frame = new MyFrame(env, obj);

  assert( frame );

  frame->addToolBarBreak ( Qt::BottomToolBarArea );

  setNativeObject( env, obj, frame );

}

/**

 * Sets the icon image.

 */

JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtFramePeer_setIcon

(JNIEnv *env, jobject obj, jobject image)

{

  QMainWindow *frame = (QMainWindow *) getNativeObject( env, obj );

  assert( frame );

  QIcon *i;

  if( image == NULL )

    {

      // remove icon

      i = new QIcon();

    }

  else

    {

      // set icon

      QImage *img = getQtImage( env, image );

      assert( img );

      i = new QIcon( QPixmap::fromImage( *img ) );

    }

  frame->setWindowIcon( *i );

  delete i;

}

/**

 * Returns the menu bar height for insets.

 */

JNIEXPORT jint JNICALL Java_gnu_java_awt_peer_qt_QtFramePeer_menuBarHeight

(JNIEnv *env, jobject obj)

{

  QMainWindow *frame = (QMainWindow *) getNativeObject( env, obj );

  assert( frame );

  QMenuBar *mb = frame->menuBar();

  return ( mb != NULL ) ? mb->sizeHint().height() : 0 ;

}

/*

 * set Menu bar.

 */

JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtFramePeer_setMenu

(JNIEnv *env, jobject obj, jobject mbPeer)

{

  QMainWindow *frame = (QMainWindow *) getNativeObject( env, obj );

  assert( frame );

  QMenuBar *menubar = NULL;

  if( mbPeer != NULL )

    {

      menubar = (QMenuBar *) getNativeObject( env, mbPeer );

      assert( menubar );

    }

  mainThread->postEventToMain( new FrameMenuEvent( frame, menubar ) );

}

/**

 * Set the bounds of the maximized frame

 */

JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtFramePeer_setMaximizedBounds (JNIEnv *env, jobject obj, jint w, jint h)

{

  QMainWindow *frame = (QMainWindow *) getNativeObject( env, obj );

  assert( frame );

  // FIXME

}