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