| /* qtmenupeer.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 <QMenu> |
| #include <gnu_java_awt_peer_qt_QtMenuPeer.h> |
| #include "nativewrapper.h" |
| #include "qtstrings.h" |
| #include "mainthreadinterface.h" |
| #include "slotcallbacks.h" |
| #include "componentevent.h" |
| |
| typedef enum ActionType { |
| ActionMenu, |
| ActionItem, |
| ActionSeparator |
| } ActionType; |
| |
| // Sets the title, but also tear-off. |
| class MenuTitleEvent : public AWTEvent { |
| |
| private: |
| QMenu *widget; |
| QString *string; |
| bool tearOff; |
| |
| public: |
| MenuTitleEvent(QMenu *w, QString *s, bool tear) : AWTEvent() |
| { |
| widget = w; |
| string = s; |
| tearOff = tear; |
| } |
| |
| void runEvent() |
| { |
| if (tearOff) |
| widget->setTearOffEnabled( true ); |
| else |
| { |
| widget->setTitle( *string ); |
| delete string; |
| } |
| } |
| }; |
| |
| class MenuAction : public AWTEvent { |
| |
| private: |
| QMenu *menu; |
| QAction *action; |
| ActionType actionType; // type of action to add |
| JavaVM *vm; |
| jobject menuPeer; |
| jobject itemPeer; |
| |
| public: |
| MenuAction(JNIEnv *env, jobject mp, jobject ip, QMenu *m, QAction *a, |
| ActionType actionType) : AWTEvent() |
| { |
| menu = m; |
| action = a; |
| this->actionType = actionType; |
| env->GetJavaVM( &vm ); |
| menuPeer = env->NewGlobalRef( mp ); |
| if( ip != NULL ) |
| itemPeer = env->NewGlobalRef( ip ); |
| else |
| itemPeer = NULL; |
| } |
| |
| void runEvent() |
| { |
| JNIEnv *env; |
| vm->GetEnv((void **)&env, JNI_VERSION_1_1); |
| if (actionType == ActionMenu) |
| menu->addMenu ((QMenu *) action); |
| else |
| menu->addAction (action); |
| |
| jclass menuCls = env->GetObjectClass( menuPeer ); |
| jmethodID mid = env->GetMethodID(menuCls, "add", "(J)V"); |
| env->DeleteLocalRef(menuCls); |
| env->CallVoidMethod( menuPeer, mid, (jlong)action ); |
| |
| env->DeleteGlobalRef( menuPeer ); |
| if( itemPeer != NULL ) |
| { |
| setNativeObject( env, itemPeer, action ); |
| connectAction(action, env, itemPeer); |
| env->DeleteGlobalRef( itemPeer ); |
| } |
| } |
| }; |
| |
| class MenuRemoveAction : public AWTEvent { |
| |
| private: |
| QMenu *menu; |
| QAction *action; |
| |
| public: |
| MenuRemoveAction(QMenu *m, QAction *a) : AWTEvent() |
| { |
| menu = m; |
| action = a; |
| } |
| |
| void runEvent() |
| { |
| if (action) |
| menu->removeAction(action); |
| } |
| }; |
| |
| /* |
| * Constructs a QMenu item |
| */ |
| JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtMenuPeer_init |
| (JNIEnv *env, jobject obj) |
| { |
| QMenu *menu = new QMenu(); |
| assert( menu ); |
| |
| setNativeObject( env, obj, menu ); |
| } |
| |
| /** |
| * Allows tear-off: Only called once, if ever. |
| */ |
| JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtMenuPeer_allowTearOff |
| (JNIEnv *env, jobject obj) |
| { |
| QMenu *menu = (QMenu *)getNativeObject( env, obj ); |
| assert( menu ); |
| mainThread->postEventToMain( new MenuTitleEvent( menu, NULL, true ) ); |
| } |
| |
| /* |
| * Inserts a seperator. |
| */ |
| JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtMenuPeer_insertSeperator |
| (JNIEnv *env, jobject obj) |
| { |
| QMenu *menu = (QMenu *)getNativeObject( env, obj ); |
| assert( menu ); |
| mainThread->postEventToMain( new MenuAction( env, obj, NULL, |
| menu, NULL, ActionSeparator ) ); |
| } |
| |
| /* |
| * Inserts an item. |
| */ |
| JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtMenuPeer_insertItem |
| (JNIEnv *env, jobject obj, jobject item) |
| { |
| QMenu *menu = (QMenu *)getNativeObject( env, obj ); |
| assert( menu ); |
| |
| QAction *action = (QAction *)getNativeObject( env, item ); |
| assert( action ); |
| |
| mainThread->postEventToMain( new MenuAction( env, obj, item, menu, action, ActionItem )); |
| } |
| |
| /* |
| * Inserts a sub-menu |
| */ |
| JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtMenuPeer_insertMenu |
| (JNIEnv *env, jobject obj, jobject menu) |
| { |
| assert( menu ); |
| QMenu *thisMenu = (QMenu *)getNativeObject( env, obj ); |
| assert( thisMenu ); |
| QMenu *insMenu = (QMenu *)getNativeObject(env, menu); |
| assert( insMenu ); |
| |
| mainThread->postEventToMain( new MenuAction( env, obj, menu, thisMenu, (QAction *)insMenu, ActionMenu ) ); |
| } |
| |
| /* |
| * Removes an item at index. |
| */ |
| JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtMenuPeer_delItem |
| (JNIEnv *env, jobject obj, jlong ptr) |
| { |
| QMenu *menu = (QMenu *)getNativeObject( env, obj ); |
| assert( menu ); |
| QAction *action = (QAction *)ptr; |
| |
| mainThread->postEventToMain( new MenuRemoveAction( menu, action ) ); |
| } |
| |
| /* |
| * Enables/Disables the menu. |
| */ |
| JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtMenuPeer_setEnabled |
| (JNIEnv *env, jobject obj, jboolean enabled) |
| { |
| QMenu *menu = (QMenu *)getNativeObject( env, obj ); |
| assert( menu ); |
| |
| mainThread->postEventToMain(new AWTEnableEvent(menu, (enabled == JNI_TRUE))); |
| } |
| |
| /* |
| * Sets the menu title. |
| */ |
| JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtMenuPeer_setLabel |
| (JNIEnv *env, jobject obj, jstring label) |
| { |
| if(label == NULL) |
| return; |
| |
| QMenu *menu = (QMenu *)getNativeObject( env, obj ); |
| assert( menu ); |
| QString *qStr = getQString(env, label); |
| mainThread->postEventToMain( new MenuTitleEvent( menu, qStr, false ) ); |
| } |
| |