257 lines
7.6 KiB
C++
257 lines
7.6 KiB
C++
/* slotcallbacks.cpp --
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Copyright (C) 2005 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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#include <QObject>
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#include <QAbstractButton>
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#include <QAbstractSlider>
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#include <QAction>
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#include <QComboBox>
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#include <QListWidget>
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#include <QLineEdit>
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#include <QPushButton>
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#include <QTextEdit>
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#include <gnu_java_awt_peer_qt_QtButtonPeer.h>
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#include "qtcomponent.h"
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#include "qtstrings.h"
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#include "keybindings.h"
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#include "buttonevent.h"
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#include "slotcallbacks.h"
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// AdjustmentEvent constants
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#define UNIT_INCREMENT 1
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#define UNIT_DECREMENT 2
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#define BLOCK_DECREMENT 3
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#define BLOCK_INCREMENT 4
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#define TRACK 5
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class SlotCallback : public QObject {
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Q_OBJECT;
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private:
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JavaVM* vm;
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jobject target;
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jclass componentCls;
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jmethodID fireEventID;
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public:
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QScrollBar *sb; // used only by the scrollbar method.
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QListWidget *lw; // used only by the listitemclicked method
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SlotCallback(JNIEnv *env, jobject t)
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{
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env->GetJavaVM(&vm);
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target = t;
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target = env->NewGlobalRef(t);
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}
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~SlotCallback()
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{
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JNIEnv *env;
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vm->GetEnv((void **)&env, JNI_VERSION_1_1);
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env->DeleteGlobalRef(target);
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}
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public slots:
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void buttonClicked()
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{
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JNIEnv *env;
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vm->GetEnv((void **)&env, JNI_VERSION_1_1);
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componentCls = env->GetObjectClass( target );
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fireEventID = env->GetMethodID( componentCls,
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"fireClick",
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"(I)V" );
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int modifiers = getAEKeyModifiers( QApplication::keyboardModifiers() );
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env->CallVoidMethod( target, fireEventID, modifiers );
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env->DeleteLocalRef( componentCls );
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}
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void buttonToggled(bool checked)
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{
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JNIEnv *env;
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vm->GetEnv((void **)&env, JNI_VERSION_1_1);
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componentCls = env->GetObjectClass( target );
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fireEventID = env->GetMethodID( componentCls,
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"fireToggle",
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"(Z)V" );
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if(checked)
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env->CallVoidMethod( target, fireEventID, JNI_TRUE );
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else
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env->CallVoidMethod( target, fireEventID, JNI_FALSE );
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env->DeleteLocalRef( componentCls );
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}
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// Used for List and Choice
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void choiceActivated( int index )
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{
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JNIEnv *env;
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vm->GetEnv((void **)&env, JNI_VERSION_1_1);
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componentCls = env->GetObjectClass( target );
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fireEventID = env->GetMethodID( componentCls,
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"fireChoice",
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"(I)V" );
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env->CallVoidMethod( target, fireEventID, (jint)index );
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env->DeleteLocalRef( componentCls );
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}
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void textChanged()
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{
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JNIEnv *env;
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vm->GetEnv((void **)&env, JNI_VERSION_1_1);
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componentCls = env->GetObjectClass( target );
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fireEventID = env->GetMethodID( componentCls,
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"textChanged",
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"()V" );
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env->CallVoidMethod( target, fireEventID );
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env->DeleteLocalRef( componentCls );
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}
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void scrollBarAction( int action )
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{
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JNIEnv *env;
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int type;
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int index;
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switch(action)
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{
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case QAbstractSlider::SliderNoAction:
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return;
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case QAbstractSlider::SliderSingleStepAdd:
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type = UNIT_INCREMENT;
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break;
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case QAbstractSlider::SliderSingleStepSub:
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type = UNIT_DECREMENT;
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break;
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case QAbstractSlider::SliderPageStepAdd:
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type = BLOCK_INCREMENT;
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break;
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case QAbstractSlider::SliderPageStepSub:
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type = BLOCK_DECREMENT;
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break;
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case QAbstractSlider::SliderToMinimum:
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type = TRACK;
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break;
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case QAbstractSlider::SliderToMaximum:
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type = TRACK;
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break;
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case QAbstractSlider::SliderMove:
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type = TRACK;
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break;
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}
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index = sb->value();
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vm->GetEnv((void **)&env, JNI_VERSION_1_1);
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componentCls = env->GetObjectClass( target );
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fireEventID = env->GetMethodID( componentCls,
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"fireMoved",
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"(II)V" );
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env->CallVoidMethod( target, fireEventID, (jint)type, (jint)index );
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env->DeleteLocalRef( componentCls );
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}
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void listItemClicked( QListWidgetItem * item )
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{
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int index = lw->row( item );
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JNIEnv *env;
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vm->GetEnv((void **)&env, JNI_VERSION_1_1);
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componentCls = env->GetObjectClass( target );
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fireEventID = env->GetMethodID( componentCls,
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"itemDoubleClicked",
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"(II)V" );
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int modifiers = getAEKeyModifiers( QApplication::keyboardModifiers() );
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env->CallVoidMethod( target, fireEventID, index, modifiers );
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env->DeleteLocalRef( componentCls );
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}
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};
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#include "slotcallbacks.moc.h"
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void connectButton(QPushButton *button, JNIEnv *env, jobject buttonobj)
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{
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SlotCallback *scb = new SlotCallback(env, buttonobj);
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QObject::connect( button, SIGNAL( clicked() ), scb, SLOT( buttonClicked() ) );
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}
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void connectChoice(QComboBox *choice, JNIEnv *env, jobject choiceobj)
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{
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SlotCallback *scb = new SlotCallback(env, choiceobj);
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QObject::connect( choice, SIGNAL( activated(int) ), scb, SLOT( choiceActivated(int) ) );
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}
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void connectList(QListWidget *list, JNIEnv *env, jobject listobj)
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{
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SlotCallback *scb = new SlotCallback(env, listobj);
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scb->lw = list;
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QObject::connect( list, SIGNAL( currentRowChanged(int) ),
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scb, SLOT( choiceActivated(int) ) );
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QObject::connect( list, SIGNAL( itemDoubleClicked( QListWidgetItem * )),
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scb, SLOT( listItemClicked( QListWidgetItem * )));
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}
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void connectAction(QAction *action, JNIEnv *env, jobject obj)
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{
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SlotCallback *scb = new SlotCallback(env, obj);
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QObject::connect( action, SIGNAL( triggered() ), scb, SLOT( buttonClicked() ) );
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}
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void connectToggle(QAbstractButton *action, JNIEnv *env, jobject obj)
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{
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SlotCallback *scb = new SlotCallback(env, obj);
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QObject::connect( action, SIGNAL( toggled(bool) ), scb, SLOT( buttonToggled(bool) ) );
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}
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void connectScrollBar(QScrollBar *scroll, JNIEnv *env, jobject obj)
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{
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SlotCallback *scb = new SlotCallback(env, obj);
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scb->sb = scroll;
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QObject::connect( scroll, SIGNAL( actionTriggered(int) ), scb, SLOT( scrollBarAction(int) ) );
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}
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void connectTextEdit(QTextEdit *edit, JNIEnv *env, jobject obj)
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{
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SlotCallback *scb = new SlotCallback(env, obj);
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QObject::connect( edit, SIGNAL( textChanged() ),
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scb, SLOT( textChanged() ) );
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}
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void connectLineEdit(QLineEdit *edit, JNIEnv *env, jobject obj)
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{
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SlotCallback *scb = new SlotCallback(env, obj);
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QObject::connect( edit, SIGNAL(textChanged( QString ) ),
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scb, SLOT( textChanged() ) );
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}
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