211 lines
5.5 KiB
C++
211 lines
5.5 KiB
C++
/* qtlistpeer.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 <assert.h>
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#include <QWidget>
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#include <QListWidget>
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#include <gnu_java_awt_peer_qt_QtListPeer.h>
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#include "qtcomponent.h"
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#include "qtstrings.h"
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#include "mainthreadinterface.h"
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#include "slotcallbacks.h"
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class ListInsert : public AWTEvent {
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private:
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QListWidget *widget;
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QString *string;
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int index;
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public:
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ListInsert(QListWidget *w, QString *s, int i) : AWTEvent()
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{
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widget = w;
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string = s;
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index = i;
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}
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void runEvent()
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{
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widget->insertItem( index, *string );
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delete string;
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}
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};
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class SelectEvent : public AWTEvent {
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private:
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QListWidget *widget;
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int index;
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bool selected;
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public:
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SelectEvent(QListWidget *w, int i, bool s) : AWTEvent()
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{
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widget = w;
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index = i;
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selected = s;
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}
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void runEvent()
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{
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widget->setItemSelected ( widget->item(index), selected );
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}
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};
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class ListDelete : public AWTEvent {
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private:
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QListWidget *widget;
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int startIndex, endIndex;
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public:
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ListDelete(QListWidget *w, int starti, int endi) : AWTEvent()
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{
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widget = w;
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startIndex = starti;
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endIndex = endi;
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}
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void runEvent()
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{
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for (int i = endIndex; i >= startIndex; i--)
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delete widget->takeItem(i);
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}
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};
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/*
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* Construct a QListWidget object
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtListPeer_init
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(JNIEnv *env, jobject obj)
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{
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QWidget *parentWidget = (QWidget *)getParentWidget(env, obj);
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assert( parentWidget );
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QListWidget *list = new QListWidget( parentWidget );
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assert( list );
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setNativeObject( env, obj, list );
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connectList(list, env, obj);
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}
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/*
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* Adds an element.
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtListPeer_add
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(JNIEnv *env, jobject obj, jstring str, jint index)
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{
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QListWidget *list = (QListWidget *) getNativeObject( env, obj );
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assert( list );
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QString *qStr = getQString(env, str);
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mainThread->postEventToMain( new ListInsert(list, qStr, index) );
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}
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/*
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* Delete items
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtListPeer_delItems
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(JNIEnv *env, jobject obj, jint startindex, jint endindex)
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{
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QListWidget *list = (QListWidget *) getNativeObject( env, obj );
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assert( list );
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mainThread->postEventToMain( new ListDelete(list, startindex, endindex) );
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}
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/*
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* (De)select an element.
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtListPeer_select
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(JNIEnv *env, jobject obj, jint index, jboolean sel)
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{
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QListWidget *list = (QListWidget *) getNativeObject( env, obj );
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assert( list );
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mainThread->postEventToMain( new SelectEvent(list, index,
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(sel == JNI_TRUE)) );
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}
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/**
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* Returns the indices of the selected items.
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*/
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JNIEXPORT jintArray JNICALL Java_gnu_java_awt_peer_qt_QtListPeer_getSelectedIndexes
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(JNIEnv *env, jobject obj)
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{
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jintArray retArray;
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jint *arr;
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QListWidget *list = (QListWidget *) getNativeObject( env, obj );
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assert( list );
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QList<QListWidgetItem *> items = list->selectedItems();
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retArray = env->NewIntArray( items.count() );
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arr = env->GetIntArrayElements( retArray, NULL );
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for(int i = 0; i < items.count(); i++)
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arr[i] = list->row(items.at(i));
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env->ReleaseIntArrayElements( retArray, arr, 0 );
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return retArray;
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}
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/*
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* Sets the current item and makes it visible.
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtListPeer_makeVisible
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(JNIEnv *env, jobject obj, jint index)
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{
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QListWidget *list = (QListWidget *) getNativeObject( env, obj );
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assert( list );
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list->scrollToItem( list->item(index) );
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}
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/*
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* Set multiple selection mode.
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtListPeer_setMultipleMode
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(JNIEnv *env, jobject obj, jboolean allow)
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{
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QListWidget *list = (QListWidget *) getNativeObject( env, obj );
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assert( list );
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// FIXME: Multiple selection is buggy in Qt4. Workaround needed.
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list->setSelectionMode( ((allow == JNI_TRUE) ? QAbstractItemView::MultiSelection : QAbstractItemView::SingleSelection) );
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}
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