old-autovect-branch/libjava/classpath/native/jni/qt-peer/qtmenuitempeer.cpp

   1 /* qtmenuitempeer.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 <QMenu>
  40 #include <QAction>
  41 #include <QThread>
  42 #include <gnu_java_awt_peer_qt_QtMenuItemPeer.h>
  43 #include "nativewrapper.h"
  44 #include "qtstrings.h"
  45 #include "mainthreadinterface.h"
  46
  47 class MenuItemDestroyEvent : public AWTEvent {
  48
  49  private:
  50   QAction *widget;
  51
  52  public:
  53   MenuItemDestroyEvent(QAction *w)
  54   {
  55     widget = w;
  56   }
  57
  58   void runEvent()
  59   {
  60     delete widget;
  61   }
  62 };
  63
  64 class MenuItemLabelEvent : public AWTEvent {
  65
  66  private:
  67   QAction *widget;
  68   QString *string;
  69
  70  public:
  71   MenuItemLabelEvent(QAction *w, QString *s) : AWTEvent()
  72   {
  73     widget = w;
  74     string = s;
  75   }
  76
  77   void runEvent()
  78   {
  79     widget->setText( *string );
  80     delete string;
  81   }
  82 };
  83
  84 class MenuItemStatusEvent : public AWTEvent {
  85
  86  private:
  87   QAction *widget;
  88   bool enabled;
  89   bool value;
  90
  91  public:
  92   MenuItemStatusEvent(QAction *w, bool e, bool v) : AWTEvent()
  93   {
  94     widget = w;
  95     enabled = e;
  96     value = v;
  97   }
  98
  99   void runEvent()
 100   {
 101     if( enabled )
 102       widget->setEnabled( value );
 103     else
 104       widget->setChecked( value );
 105   }
 106 };
 107
 108 /*
 109  * Creates a QAction object
 110  */
 111 JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtMenuItemPeer_create
 112 (JNIEnv *env, jobject obj, jstring label, jboolean isSeperator, jboolean isCheckable)
 113 {
 114   QAction *action;
 115   if(label == NULL || isSeperator == JNI_TRUE)
 116     {
 117       action = new QAction(NULL);
 118       action->setSeparator(true);
 119       assert( action );
 120     }
 121   else
 122     {
 123       QString *qStr = getQString(env, label);
 124       action = new QAction(*qStr, NULL);
 125       delete qStr;
 126       assert( action );
 127       action->setCheckable( (isCheckable == JNI_TRUE) );
 128     }
 129
 130   setNativeObject( env, obj, action );
 131 }
 132
 133 /**
 134  * Disposal.
 135  */
 136 JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtMenuItemPeer_dispose
 137 (JNIEnv *env, jobject obj)
 138 {
 139   QAction *action = (QAction *)getNativeObject( env, obj );
 140   assert( action );
 141   mainThread->postEventToMain( new MenuItemDestroyEvent( action ) );
 142 }
 143
 144 /*
 145  * Enables/disables the item
 146  */
 147 JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtMenuItemPeer_setEnabled
 148 (JNIEnv *env, jobject obj, jboolean enabled)
 149 {
 150   QAction *action = (QAction *)getNativeObject( env, obj );
 151   assert( action );
 152   mainThread->postEventToMain(new MenuItemStatusEvent(action, true,
 153                                                       (enabled == JNI_TRUE)));
 154 }
 155
 156 /*
 157  * Sets the item label.
 158  */
 159 JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtMenuItemPeer_setLabel
 160 (JNIEnv *env, jobject obj, jstring label)
 161 {
 162   QAction *action = (QAction *)getNativeObject( env, obj );
 163   assert( action );
 164
 165   QString *qStr = getQString(env, label);
 166   mainThread->postEventToMain( new MenuItemLabelEvent( action, qStr ) );
 167 }
 168
 169 /*
 170  * Sets the checkbox state.
 171  */
 172 JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtMenuItemPeer_setState
 173 (JNIEnv *env, jobject obj, jboolean state)
 174 {
 175   QAction *action = (QAction *)getNativeObject( env, obj );
 176   assert( action );
 177   mainThread->postEventToMain(new MenuItemStatusEvent(action, false,
 178                                                       (state == JNI_TRUE)));
 179 }
 180
 181
 182