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