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Diffstat (limited to 'libjava/classpath/native/jni/qt-peer/slotcallbacks.cpp')
| -rw-r--r-- | libjava/classpath/native/jni/qt-peer/slotcallbacks.cpp | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/libjava/classpath/native/jni/qt-peer/slotcallbacks.cpp b/libjava/classpath/native/jni/qt-peer/slotcallbacks.cpp new file mode 100644 index 000000000..3e0820477 --- /dev/null +++ b/libjava/classpath/native/jni/qt-peer/slotcallbacks.cpp @@ -0,0 +1,256 @@ +/* slotcallbacks.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 <QObject> +#include <QAbstractButton> +#include <QAbstractSlider> +#include <QAction> +#include <QComboBox> +#include <QListWidget> +#include <QLineEdit> +#include <QPushButton> +#include <QTextEdit> +#include <gnu_java_awt_peer_qt_QtButtonPeer.h> +#include "qtcomponent.h" +#include "qtstrings.h" +#include "keybindings.h" +#include "buttonevent.h" +#include "slotcallbacks.h" + +// AdjustmentEvent constants +#define UNIT_INCREMENT 1 +#define UNIT_DECREMENT 2 +#define BLOCK_DECREMENT 3 +#define BLOCK_INCREMENT 4 +#define TRACK 5 + + +class SlotCallback : public QObject { + Q_OBJECT; + +private: + JavaVM* vm; + jobject target; + jclass componentCls; + jmethodID fireEventID; + +public: + QScrollBar *sb; // used only by the scrollbar method. + QListWidget *lw; // used only by the listitemclicked method + + SlotCallback(JNIEnv *env, jobject t) + { + env->GetJavaVM(&vm); + target = t; + target = env->NewGlobalRef(t); + } + + ~SlotCallback() + { + JNIEnv *env; + vm->GetEnv((void **)&env, JNI_VERSION_1_1); + env->DeleteGlobalRef(target); + } + + public slots: + + void buttonClicked() + { + JNIEnv *env; + vm->GetEnv((void **)&env, JNI_VERSION_1_1); + componentCls = env->GetObjectClass( target ); + fireEventID = env->GetMethodID( componentCls, + "fireClick", + "(I)V" ); + int modifiers = getAEKeyModifiers( QApplication::keyboardModifiers() ); + env->CallVoidMethod( target, fireEventID, modifiers ); + env->DeleteLocalRef( componentCls ); + } + + void buttonToggled(bool checked) + { + JNIEnv *env; + vm->GetEnv((void **)&env, JNI_VERSION_1_1); + componentCls = env->GetObjectClass( target ); + fireEventID = env->GetMethodID( componentCls, + "fireToggle", + "(Z)V" ); + if(checked) + env->CallVoidMethod( target, fireEventID, JNI_TRUE ); + else + env->CallVoidMethod( target, fireEventID, JNI_FALSE ); + env->DeleteLocalRef( componentCls ); + } + + // Used for List and Choice + void choiceActivated( int index ) + { + JNIEnv *env; + vm->GetEnv((void **)&env, JNI_VERSION_1_1); + componentCls = env->GetObjectClass( target ); + fireEventID = env->GetMethodID( componentCls, + "fireChoice", + "(I)V" ); + env->CallVoidMethod( target, fireEventID, (jint)index ); + env->DeleteLocalRef( componentCls ); + } + + void textChanged() + { + JNIEnv *env; + vm->GetEnv((void **)&env, JNI_VERSION_1_1); + componentCls = env->GetObjectClass( target ); + fireEventID = env->GetMethodID( componentCls, + "textChanged", + "()V" ); + env->CallVoidMethod( target, fireEventID ); + env->DeleteLocalRef( componentCls ); + } + + void scrollBarAction( int action ) + { + JNIEnv *env; + int type; + int index; + switch(action) + { + case QAbstractSlider::SliderNoAction: + return; + case QAbstractSlider::SliderSingleStepAdd: + type = UNIT_INCREMENT; + break; + case QAbstractSlider::SliderSingleStepSub: + type = UNIT_DECREMENT; + break; + case QAbstractSlider::SliderPageStepAdd: + type = BLOCK_INCREMENT; + break; + case QAbstractSlider::SliderPageStepSub: + type = BLOCK_DECREMENT; + break; + case QAbstractSlider::SliderToMinimum: + type = TRACK; + break; + case QAbstractSlider::SliderToMaximum: + type = TRACK; + break; + case QAbstractSlider::SliderMove: + type = TRACK; + break; + } + index = sb->value(); + vm->GetEnv((void **)&env, JNI_VERSION_1_1); + componentCls = env->GetObjectClass( target ); + fireEventID = env->GetMethodID( componentCls, + "fireMoved", + "(II)V" ); + env->CallVoidMethod( target, fireEventID, (jint)type, (jint)index ); + env->DeleteLocalRef( componentCls ); + } + + void listItemClicked( QListWidgetItem * item ) + { + int index = lw->row( item ); + JNIEnv *env; + vm->GetEnv((void **)&env, JNI_VERSION_1_1); + componentCls = env->GetObjectClass( target ); + fireEventID = env->GetMethodID( componentCls, + "itemDoubleClicked", + "(II)V" ); + int modifiers = getAEKeyModifiers( QApplication::keyboardModifiers() ); + env->CallVoidMethod( target, fireEventID, index, modifiers ); + env->DeleteLocalRef( componentCls ); + } +}; + +#include "slotcallbacks.moc.h" + +void connectButton(QPushButton *button, JNIEnv *env, jobject buttonobj) +{ + SlotCallback *scb = new SlotCallback(env, buttonobj); + QObject::connect( button, SIGNAL( clicked() ), scb, SLOT( buttonClicked() ) ); +} + +void connectChoice(QComboBox *choice, JNIEnv *env, jobject choiceobj) +{ + SlotCallback *scb = new SlotCallback(env, choiceobj); + QObject::connect( choice, SIGNAL( activated(int) ), scb, SLOT( choiceActivated(int) ) ); +} + +void connectList(QListWidget *list, JNIEnv *env, jobject listobj) +{ + SlotCallback *scb = new SlotCallback(env, listobj); + scb->lw = list; + QObject::connect( list, SIGNAL( currentRowChanged(int) ), + scb, SLOT( choiceActivated(int) ) ); + QObject::connect( list, SIGNAL( itemDoubleClicked( QListWidgetItem * )), + scb, SLOT( listItemClicked( QListWidgetItem * ))); +} + +void connectAction(QAction *action, JNIEnv *env, jobject obj) +{ + SlotCallback *scb = new SlotCallback(env, obj); + QObject::connect( action, SIGNAL( triggered() ), scb, SLOT( buttonClicked() ) ); +} + +void connectToggle(QAbstractButton *action, JNIEnv *env, jobject obj) +{ + SlotCallback *scb = new SlotCallback(env, obj); + QObject::connect( action, SIGNAL( toggled(bool) ), scb, SLOT( buttonToggled(bool) ) ); +} + +void connectScrollBar(QScrollBar *scroll, JNIEnv *env, jobject obj) +{ + SlotCallback *scb = new SlotCallback(env, obj); + scb->sb = scroll; + QObject::connect( scroll, SIGNAL( actionTriggered(int) ), scb, SLOT( scrollBarAction(int) ) ); +} + +void connectTextEdit(QTextEdit *edit, JNIEnv *env, jobject obj) +{ + SlotCallback *scb = new SlotCallback(env, obj); + QObject::connect( edit, SIGNAL( textChanged() ), + scb, SLOT( textChanged() ) ); +} + +void connectLineEdit(QLineEdit *edit, JNIEnv *env, jobject obj) +{ + SlotCallback *scb = new SlotCallback(env, obj); + QObject::connect( edit, SIGNAL(textChanged( QString ) ), + scb, SLOT( textChanged() ) ); +} + |