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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/eventmethods.h
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+/* eventmethods.cpp --
+ Copyright (C) 2005, 2006 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. */
+
+#ifdef I_KNOW_WHAT_IM_DOING
+
+bool draw;
+
+private:
+ JavaVM* vm;
+ jobject target;
+ jclass componentCls;
+
+ void setup(JNIEnv *env, jobject obj)
+ {
+ env->GetJavaVM(&vm);
+ componentCls = NULL;
+ target = env->NewGlobalRef(obj);
+ componentCls = (jclass)env->NewGlobalRef(env->GetObjectClass( target ));
+ setMouseTracking( true );
+ draw = true;
+ }
+
+ void destroy()
+ {
+ JNIEnv *env;
+ vm->GetEnv((void **)&env, JNI_VERSION_1_1);
+ env->DeleteGlobalRef(target);
+ env->DeleteGlobalRef(componentCls);
+ }
+
+ void callVoidMethod(const char *methodName)
+ {
+ JNIEnv *env;
+ vm->GetEnv((void **)&env, JNI_VERSION_1_1);
+ jmethodID fireEventID = env->GetMethodID( componentCls,
+ methodName,
+ "()V" );
+ env->CallVoidMethod( target, fireEventID );
+ }
+
+ void callMouseMethod(const char *methodName,
+ int modifiers, int x, int y, int clickCount)
+ {
+ JNIEnv *env;
+ vm->GetEnv((void **)&env, JNI_VERSION_1_1);
+ jmethodID fireEventID = env->GetMethodID( componentCls,
+ methodName,
+ "(IIII)V" );
+ env->CallVoidMethod( target, fireEventID, modifiers, x, y, clickCount );
+ }
+
+protected:
+
+ void closeEvent( QCloseEvent *e )
+ {
+ PARENT::closeEvent(e);
+ callVoidMethod("closeEvent");
+ }
+
+ void focusInEvent( QFocusEvent *e )
+ {
+ PARENT::focusInEvent(e);
+ callVoidMethod("focusInEvent");
+ }
+
+ void focusOutEvent( QFocusEvent *e )
+ {
+ PARENT::focusOutEvent(e);
+ callVoidMethod("focusOutEvent");
+ }
+
+ void enterEvent( QEvent *e )
+ {
+ PARENT::enterEvent(e);
+ QPoint p = mapFromGlobal( QCursor::pos() );
+ int modifiers = getKeyModifiers( QApplication::keyboardModifiers() );
+ callMouseMethod("enterEvent", modifiers, p.x(), p.y(), 0);
+ }
+
+ void keyPressEvent( QKeyEvent *e )
+ {
+ PARENT::keyPressEvent(e);
+ int modifiers, x, y;
+ modifiers = getKeyModifiers(e->modifiers());
+ x = mapKeyCode(e);
+ y = getUnicode(e);
+ callMouseMethod("keyPressEvent", modifiers, x, y, 0);
+ }
+
+ void keyReleaseEvent( QKeyEvent *e )
+ {
+ PARENT::keyReleaseEvent(e);
+ int modifiers, x, y;
+ modifiers = getKeyModifiers(e->modifiers());
+ x = mapKeyCode(e);
+ y = getUnicode(e);
+ callMouseMethod("keyReleaseEvent", modifiers, x, y, 0);
+ }
+
+ void leaveEvent( QEvent *e )
+ {
+ PARENT::leaveEvent(e);
+ QPoint p = mapFromGlobal( QCursor::pos() );
+ int modifiers = getKeyModifiers( QApplication::keyboardModifiers() );
+ callMouseMethod("leaveEvent", modifiers, p.x(), p.y(), 0);
+ }
+
+ void mouseDoubleClickEvent( QMouseEvent *e )
+ {
+ PARENT::mouseDoubleClickEvent(e);
+ int modifiers, x, y, clickCount;
+ clickCount = 2;
+ modifiers = getMouseModifiers(e);
+ x = e->x();
+ y = e->y();
+ callMouseMethod("mouseDoubleClickEvent", modifiers, x, y, clickCount);
+ }
+
+ void mouseMoveEvent( QMouseEvent *e )
+ {
+ PARENT::mouseMoveEvent(e);
+ int modifiers, x, y, clickCount;
+ clickCount = 0;
+ modifiers = getMouseModifiers(e);
+ x = e->x();
+ y = e->y();
+ callMouseMethod("mouseMoveEvent", modifiers, x, y, clickCount);
+ }
+
+ void mousePressEvent( QMouseEvent *e )
+ {
+ PARENT::mousePressEvent(e);
+ int modifiers, x, y, clickCount;
+ clickCount = 0;
+ modifiers = getMouseModifiers(e);
+ x = e->x();
+ y = e->y();
+ callMouseMethod("mousePressEvent", modifiers, x, y, clickCount);
+ }
+
+ void mouseReleaseEvent( QMouseEvent *e )
+ {
+ PARENT::mouseReleaseEvent(e);
+ int modifiers, x, y, clickCount;
+ modifiers = 0;
+
+ modifiers |= getReleaseModifiers( e );
+ x = e->x();
+ y = e->y();
+ callMouseMethod("mouseReleaseEvent", modifiers, x, y, 0);
+ }
+
+ void moveEvent( QMoveEvent *e )
+ {
+ PARENT::moveEvent(e);
+ callMouseMethod("moveEvent", e->pos().x(), e->pos().y(),
+ e->oldPos().x(), e->oldPos().y());
+ }
+
+ void resizeEvent( QResizeEvent *e )
+ {
+ PARENT::resizeEvent(e);
+ callMouseMethod("resizeEvent",
+ e->oldSize().width(), e->oldSize().height(),
+ e->size().width(), e->size().height());
+ }
+
+ void hideEvent( QHideEvent *e )
+ {
+ PARENT::hideEvent(e);
+ callVoidMethod("hideEvent");
+ }
+
+ void showEvent( QShowEvent *e )
+ {
+ PARENT::showEvent(e);
+ callVoidMethod("showEvent");
+ }
+
+ void paintEvent ( QPaintEvent * e )
+ {
+ PARENT::paintEvent( e );
+ if ( draw )
+ {
+ // Create a QPainter
+ GraphicsPainter painter( this );
+ int x, y, w, h;
+ e->rect().getRect ( &x, &y, &w, &h );
+
+ // Get the environment.
+ JNIEnv *env;
+ vm->GetEnv((void **)&env, JNI_VERSION_1_1);
+
+ // create a QtGraphics wrapper for the QPainter
+ jclass cls = env->FindClass( "gnu/java/awt/peer/qt/QtComponentGraphics" );
+ jmethodID mid = env->GetMethodID(cls, "<init>", "(JLgnu/java/awt/peer/qt/QtComponentPeer;IIII)V");
+ jobject graphics = env->NewObject(cls, mid, (jlong)&painter, target,
+ (jint)x, (jint)y, (jint)w, (jint)h);
+
+ // call QtComponentPeer.paintEvent()
+ jmethodID paintEventID = env->GetMethodID( componentCls,
+ "paint",
+ "(Ljava/awt/Graphics;)V" );
+ env->CallVoidMethod( target, paintEventID, graphics );
+ env->DeleteLocalRef( cls );
+ env->DeleteLocalRef( graphics );
+ painter.end();
+ }
+ }
+
+#endif