| /* qtcheckboxpeer.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 <QAbstractButton> |
| #include <QCheckBox> |
| #include <QRadioButton> |
| #include <gnu_java_awt_peer_qt_QtCheckboxPeer.h> |
| #include "qtstrings.h" |
| #include "qtcomponent.h" |
| #include "keybindings.h" |
| #include "buttonevent.h" |
| #include "slotcallbacks.h" |
| |
| class CheckboxCheckEvent : public AWTEvent { |
| |
| private: |
| QAbstractButton *widget; |
| bool checked; |
| |
| public: |
| CheckboxCheckEvent(QAbstractButton *w, bool c) |
| { |
| widget = w; |
| checked = c; |
| } |
| |
| void runEvent() |
| { |
| if (checked != widget->isChecked()) |
| widget->setChecked( checked ); |
| } |
| }; |
| |
| class MyCheckBox : public QCheckBox |
| { |
| public: |
| MyCheckBox(JNIEnv *env, jobject obj, QWidget *parent) : QCheckBox( parent ) |
| { |
| setup(env, obj); |
| } |
| |
| ~MyCheckBox() |
| { |
| destroy(); |
| } |
| |
| #define I_KNOW_WHAT_IM_DOING |
| #define PARENT QCheckBox |
| #include "eventmethods.h" |
| }; |
| |
| /** |
| * Determines whether the darn native object should be a radio button or not |
| */ |
| static bool isRadioButton( JNIEnv *env, jobject obj ) |
| { |
| jclass cls = env->FindClass( "gnu/java/awt/peer/qt/QtCheckboxPeer" ); |
| jfieldID field = env->GetFieldID( cls, "group", "Ljava/awt/CheckboxGroup;" ); |
| if (env->GetObjectField( obj, field ) != NULL) |
| return true; |
| return false; |
| } |
| |
| /** |
| * Construct the native object. |
| */ |
| JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtCheckboxPeer_init |
| (JNIEnv *env, jobject obj) |
| { |
| QWidget *parentWidget = (QWidget *)getParentWidget(env, obj); |
| |
| QAbstractButton *cb = (QAbstractButton *) getNativeObject( env, obj ); |
| if (cb) |
| delete cb; |
| |
| bool radioButton; |
| { |
| jclass cls = env->GetObjectClass( obj ); |
| jfieldID field = env->GetFieldID( cls, "owner", "Ljava/awt/Component;" ); |
| assert(field != NULL); |
| jobject owner = env->GetObjectField( obj, field ); |
| assert(owner != NULL); |
| cls = env->GetObjectClass( owner ); |
| jmethodID method = env->GetMethodID( cls, |
| "getCheckboxGroup", |
| "()Ljava/awt/CheckboxGroup;" ); |
| assert(method != NULL); |
| jobject group = env->CallObjectMethod( owner, method, 0); |
| radioButton = (group != NULL); |
| } |
| |
| if(radioButton) |
| cb = new QRadioButton( parentWidget ); |
| else |
| cb = new QCheckBox( parentWidget ); |
| // cb = new MyCheckBox( env, obj, parentWidget ); |
| assert( cb ); |
| |
| connectToggle(cb, env, obj); // connect the native event. |
| |
| setNativeObject( env, obj, cb ); |
| } |
| |
| /* |
| * Sets the checkbox label. |
| */ |
| JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtCheckboxPeer_setLabel |
| (JNIEnv *env, jobject obj, jstring label) |
| { |
| /* Both QCheckbox and QRadioButton inherit QAbstractButton */ |
| QAbstractButton *cb = (QAbstractButton *) getNativeObject( env, obj ); |
| assert( cb ); |
| |
| QString *qStr = getQString(env, label); |
| mainThread->postEventToMain( new AWTLabelEvent( cb, qStr ) ); |
| // AWTLabelEvent takes care of disposal of qStr |
| } |
| |
| /* |
| * Sets the checkbox state. |
| */ |
| JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QtCheckboxPeer_setState |
| (JNIEnv *env, jobject obj, jboolean state) |
| { |
| QAbstractButton *cb = (QAbstractButton *) getNativeObject( env, obj ); |
| assert( cb ); |
| mainThread->postEventToMain( new CheckboxCheckEvent( cb, (state == JNI_TRUE) ) ); |
| } |
| |