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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/native/jni/qt-peer/qtmenupeer.cpp
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+/* 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 ) );
+}
+