gomp-20050608-branch/libjava/classpath/native/jni/qt-peer/qtwindowpeer.cpp

   1 /* qtwindowpeer.cpp --
   2    Copyright (C)  2005  Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19 02110-1301 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38 #include <assert.h>
  39 #include <QWidget>
  40 #include <qstyle.h>
  41 #include <gnu_java_awt_peer_qt_QtWindowPeer.h>
  42 #include "qtcomponent.h"
  43 #include "keybindings.h"
  44 #include "qtstrings.h"
  45 #include "containers.h"
  46 #include "mainthreadinterface.h"
  47
  48 /*
  49  * Our QMainWindow subclass
  50  */
  51 class MyWindow : public QWidget
  52 {
  53 public:
  54   MyWindow(JNIEnv *env, jobject obj) : QWidget(0, (Qt::Window | Qt::FramelessWindowHint))
  55   {
  56     setup(env, obj);
  57   }
  58
  59   ~MyWindow()
  60   {
  61     destroy();
  62   }
  63
  64 #define I_KNOW_WHAT_IM_DOING
  65 #define PARENT QWidget
  66 #include "eventmethods.h"
  67 };
  68
  69
  70 class RaiseLower : public AWTEvent {
  71
  72  private:
  73   QWidget *widget;
  74   bool raise;
  75
  76  public:
  77   RaiseLower(QWidget *w, bool r) : AWTEvent()
  78   {
  79     widget = w;
  80     raise = r;
  81   }
  82
  83   void runEvent()
  84   {
  85     if (raise)
  86       widget->raise();
  87     else
  88       widget->lower();
  89   }
  90 };
  91
  92 class FrameTitleEvent : public AWTEvent {
  93
  94  private:
  95   QWidget *widget;
  96   QString *string;
  97
  98  public:
  99   FrameTitleEvent(QWidget *w, QString *s) : AWTEvent()
 100   {
 101     widget = w;
 102     string = s;
 103   }
 104
 105   void runEvent()
 106   {
 107     widget->setWindowTitle( *string );
 108     delete string;
 109   }
 110 };
 111
 112 /*
 113  * Constructs a top-level QWidget native object.
 114  */
 115 JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtWindowPeer_init
 116 (JNIEnv *env, jobject obj)
 117 {
 118   QWidget *window = new MyWindow(env, obj);
 119   assert( window );
 120   //  Qt::WStyle_StaysOnTop
 121   setNativeObject( env, obj, window );
 122 }
 123
 124 /*
 125  * Lower the window.
 126  */
 127 JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtWindowPeer_toBack
 128 (JNIEnv *env, jobject obj)
 129 {
 130   QWidget *window = (QWidget *) getNativeObject( env, obj );
 131   assert( window );
 132   mainThread->postEventToMain( new RaiseLower( window, false ) );
 133 }
 134
 135 /*
 136  * Raise the window.
 137  */
 138 JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtWindowPeer_toFront
 139 (JNIEnv *env, jobject obj)
 140 {
 141   QWidget *window = (QWidget *) getNativeObject( env, obj );
 142   assert( window );
 143   mainThread->postEventToMain( new RaiseLower( window, true ) );
 144 }
 145
 146 /*
 147  * Title.
 148  */
 149 JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtWindowPeer_setTitle
 150 (JNIEnv *env, jobject obj, jstring string)
 151 {
 152   QWidget *frame = (QWidget *) getNativeObject( env, obj );
 153   assert( frame );
 154   QString *qStr = getQString(env, string);
 155   mainThread->postEventToMain( new FrameTitleEvent( frame, qStr ) );
 156 }
 157