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Processing is a programming language, development environment, and online community.
This core package contains the core : PApplet, Graphics. Without the IDE and libraries.
/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2015 The Processing Foundation
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation, version 2.1.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330,
Boston, MA 02111-1307 USA
*/
package processing.javafx;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Rectangle;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javafx.animation.Animation;
import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.application.Platform;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.event.EventType;
import javafx.scene.Cursor;
import javafx.scene.ImageCursor;
import javafx.scene.Scene;
import javafx.scene.SceneAntialiasing;
import javafx.scene.canvas.Canvas;
import javafx.scene.image.Image;
import javafx.scene.image.PixelFormat;
import javafx.scene.image.WritableImage;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyEvent;
import javafx.scene.input.MouseEvent;
import javafx.scene.input.ScrollEvent;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
import javafx.stage.StageStyle;
import javafx.stage.WindowEvent;
import javafx.util.Duration;
import processing.core.*;
public class PSurfaceFX implements PSurface {
PApplet sketch;
PGraphicsFX2D fx;
Stage stage;
Canvas canvas;
final Animation animation;
float frameRate = 60;
public PSurfaceFX(PGraphicsFX2D graphics) {
fx = graphics;
canvas = new ResizableCanvas();
// set up main drawing loop
KeyFrame keyFrame = new KeyFrame(Duration.millis(1000),
new EventHandler() {
public void handle(ActionEvent event) {
long startNanoTime = System.nanoTime();
sketch.handleDraw();
long drawNanos = System.nanoTime() - startNanoTime;
if (sketch.exitCalled()) {
// using Platform.runLater() didn't work
// Platform.runLater(new Runnable() {
// public void run() {
// instead of System.exit(), safely shut down JavaFX this way
Platform.exit();
// }
// });
}
if (sketch.frameCount > 5) {
animation.setRate(-PApplet.min(1e9f / drawNanos, frameRate));
}
}
});
animation = new Timeline(keyFrame);
animation.setCycleCount(Animation.INDEFINITE);
// key frame has duration of 1 second, so the rate of the animation
// should be set to frames per second
// setting rate to negative so that event fires at the start of
// the key frame and first frame is drawn immediately
animation.setRate(-frameRate);
}
public Object getNative() {
return canvas;
}
class ResizableCanvas extends Canvas {
public ResizableCanvas() {
widthProperty().addListener(new ChangeListener() {
@Override
public void changed(ObservableValue value,
Number oldWidth, Number newWidth) {
// sketch.width = newWidth.intValue();
sketch.setSize(newWidth.intValue(), sketch.height);
// draw();
fx.setSize(sketch.width, sketch.height);
}
});
heightProperty().addListener(new ChangeListener() {
@Override
public void changed(ObservableValue value,
Number oldHeight, Number newHeight) {
// sketch.height = newHeight.intValue();
sketch.setSize(sketch.width, newHeight.intValue());
// draw();
fx.setSize(sketch.width, sketch.height);
}
});
//addEventHandler(eventType, eventHandler);
EventHandler mouseHandler = new EventHandler() {
public void handle(MouseEvent e) {
fxMouseEvent(e);
}
};
setOnMousePressed(mouseHandler);
setOnMouseReleased(mouseHandler);
setOnMouseClicked(mouseHandler);
setOnMouseEntered(mouseHandler);
setOnMouseExited(mouseHandler);
setOnMouseDragged(mouseHandler);
setOnMouseMoved(mouseHandler);
setOnScroll(new EventHandler() {
public void handle(ScrollEvent e) {
fxScrollEvent(e);
}
});
EventHandler keyHandler = new EventHandler() {
public void handle(KeyEvent e) {
fxKeyEvent(e);
}
};
setOnKeyPressed(keyHandler);
setOnKeyReleased(keyHandler);
setOnKeyTyped(keyHandler);
setFocusTraversable(false); // prevent tab from de-focusing
focusedProperty().addListener(new ChangeListener() {
public void changed(ObservableValue value,
Boolean oldValue, Boolean newValue) {
if (newValue.booleanValue()) {
sketch.focused = true;
sketch.focusGained();
} else {
sketch.focused = false;
sketch.focusLost();
}
}
});
}
public Stage getStage() {
return stage;
}
@Override
public boolean isResizable() {
return true;
}
@Override
public double prefWidth(double height) {
return getWidth();
}
@Override
public double prefHeight(double width) {
return getHeight();
}
}
public void initOffscreen(PApplet sketch) {
}
// public Component initComponent(PApplet sketch) {
// return null;
// }
static public class PApplicationFX extends Application {
static public PSurfaceFX surface;
// static String title; // title set at launch
// static boolean resizable; // set at launch
public PApplicationFX() { }
@Override
public void start(final Stage stage) {
// if (title != null) {
// stage.setTitle(title);
// }
PApplet sketch = surface.sketch;
// Use AWT display code, because FX orders screens in different way
GraphicsDevice displayDevice = null;
GraphicsEnvironment environment =
GraphicsEnvironment.getLocalGraphicsEnvironment();
int displayNum = sketch.sketchDisplay();
if (displayNum > 0) { // if -1, use the default device
GraphicsDevice[] devices = environment.getScreenDevices();
if (displayNum <= devices.length) {
displayDevice = devices[displayNum - 1];
} else {
System.err.format("Display %d does not exist, " +
"using the default display instead.%n", displayNum);
for (int i = 0; i < devices.length; i++) {
System.err.format("Display %d is %s%n", (i+1), devices[i]);
}
}
}
if (displayDevice == null) {
displayDevice = environment.getDefaultScreenDevice();
}
boolean fullScreen = sketch.sketchFullScreen();
boolean spanDisplays = sketch.sketchDisplay() == PConstants.SPAN;
Rectangle primaryScreenRect = displayDevice.getDefaultConfiguration().getBounds();
Rectangle screenRect = primaryScreenRect;
if (fullScreen || spanDisplays) {
double minX = screenRect.getMinX();
double maxX = screenRect.getMaxX();
double minY = screenRect.getMinY();
double maxY = screenRect.getMaxY();
if (spanDisplays) {
for (GraphicsDevice s : environment.getScreenDevices()) {
Rectangle bounds = s.getDefaultConfiguration().getBounds();
minX = Math.min(minX, bounds.getMinX());
maxX = Math.max(maxX, bounds.getMaxX());
minY = Math.min(minY, bounds.getMinY());
maxY = Math.max(maxY, bounds.getMaxY());
}
}
if (minY < 0) {
// FX can't handle this
System.err.format("FX can't place window at negative Y coordinate " +
"[x=%d, y=%d]. Please make sure that your secondary " +
"display does not extend above the main display.",
(int) minX, (int) minY);
screenRect = primaryScreenRect;
} else {
screenRect = new Rectangle((int) minX, (int) minY,
(int) (maxX - minX), (int) (maxY - minY));
}
}
// Set the displayWidth/Height variables inside PApplet, so that they're
// usable and can even be returned by the sketchWidth()/Height() methods.
sketch.displayWidth = (int) screenRect.getWidth();
sketch.displayHeight = (int) screenRect.getHeight();
int sketchWidth = sketch.sketchWidth();
int sketchHeight = sketch.sketchHeight();
if (fullScreen || spanDisplays) {
sketchWidth = (int) screenRect.getWidth();
sketchHeight = (int) screenRect.getHeight();
stage.initStyle(StageStyle.UNDECORATED);
stage.setX(screenRect.getMinX());
stage.setY(screenRect.getMinY());
stage.setWidth(screenRect.getWidth());
stage.setHeight(screenRect.getHeight());
}
Canvas canvas = surface.canvas;
surface.fx.context = canvas.getGraphicsContext2D();
StackPane stackPane = new StackPane();
stackPane.getChildren().add(canvas);
canvas.widthProperty().bind(stackPane.widthProperty());
canvas.heightProperty().bind(stackPane.heightProperty());
int width = sketchWidth;
int height = sketchHeight;
int smooth = sketch.sketchSmooth();
// Workaround for https://bugs.openjdk.java.net/browse/JDK-8136495
// https://github.com/processing/processing/issues/3823
if ((PApplet.platform == PConstants.MACOSX ||
PApplet.platform == PConstants.LINUX) &&
PApplet.javaVersionName.compareTo("1.8.0_60") >= 0 &&
PApplet.javaVersionName.compareTo("1.8.0_72") < 0) {
System.err.println("smooth() disabled for JavaFX with this Java version due to Oracle bug");
System.err.println("https://github.com/processing/processing/issues/3795");
smooth = 0;
}
SceneAntialiasing sceneAntialiasing = (smooth == 0) ?
SceneAntialiasing.DISABLED : SceneAntialiasing.BALANCED;
stage.setScene(new Scene(stackPane, width, height, false, sceneAntialiasing));
// initFrame in different thread is waiting for
// the stage, assign it only when it is all set up
surface.stage = stage;
}
@Override
public void stop() throws Exception {
surface.sketch.dispose();
}
}
//public Frame initFrame(PApplet sketch, java.awt.Color backgroundColor,
public void initFrame(PApplet sketch) {/*, int backgroundColor,
int deviceIndex, boolean fullScreen,
boolean spanDisplays) {*/
this.sketch = sketch;
PApplicationFX.surface = this;
//Frame frame = new DummyFrame();
new Thread(new Runnable() {
public void run() {
Application.launch(PApplicationFX.class);
}
}).start();
// wait for stage to be initialized on its own thread before continuing
while (stage == null) {
try {
//System.out.println("waiting for launch");
Thread.sleep(5);
} catch (InterruptedException e) { }
}
setProcessingIcon(stage);
}
/** Set the window (and dock, or whatever necessary) title. */
public void setTitle(String title) {
// PApplicationFX.title = title; // store this in case the stage still null
// if (stage != null) {
stage.setTitle(title);
// }
}
/** Show or hide the window. */
@Override
public void setVisible(final boolean visible) {
Platform.runLater(new Runnable() {
public void run() {
if (visible) {
stage.show();
canvas.requestFocus();
} else {
stage.hide();
}
}
});
}
/** Set true if we want to resize things (default is not resizable) */
public void setResizable(boolean resizable) {
// PApplicationFX.resizable = resizable;
// if (stage != null) {
stage.setResizable(resizable);
// }
}
public void setIcon(PImage icon) {
int w = icon.pixelWidth;
int h = icon.pixelHeight;
WritableImage im = new WritableImage(w, h);
im.getPixelWriter().setPixels(0, 0, w, h,
PixelFormat.getIntArgbInstance(),
icon.pixels,
0, w);
Stage stage = (Stage) canvas.getScene().getWindow();
stage.getIcons().clear();
stage.getIcons().add(im);
}
List iconImages;
protected void setProcessingIcon(Stage stage) {
// Adapted from PSurfaceAWT
// Note: FX chooses wrong icon size, should be fixed in Java 9, see:
// https://bugs.openjdk.java.net/browse/JDK-8091186
// Removing smaller sizes helps a bit, but big ones are downsized
try {
if (iconImages == null) {
iconImages = new ArrayList<>();
final int[] sizes = { 48, 64, 128, 256, 512 };
for (int sz : sizes) {
URL url = PApplet.class.getResource("/icon/icon-" + sz + ".png");
Image image = new Image(url.toString());
iconImages.add(image);
}
}
List icons = stage.getIcons();
icons.clear();
icons.addAll(iconImages);
} catch (Exception e) { } // harmless; keep this to ourselves
}
@Override
public void setAlwaysOnTop(boolean always) {
stage.setAlwaysOnTop(always);
}
/*
@Override
public void placeWindow(int[] location) {
//setFrameSize();
if (location != null) {
// a specific location was received from the Runner
// (applet has been run more than once, user placed window)
stage.setX(location[0]);
stage.setY(location[1]);
} else { // just center on screen
// Can't use frame.setLocationRelativeTo(null) because it sends the
// frame to the main display, which undermines the --display setting.
// frame.setLocation(screenRect.x + (screenRect.width - sketchWidth) / 2,
// screenRect.y + (screenRect.height - sketchHeight) / 2);
}
if (stage.getY() < 0) {
// Windows actually allows you to place frames where they can't be
// closed. Awesome. http://dev.processing.org/bugs/show_bug.cgi?id=1508
//frame.setLocation(frameLoc.x, 30);
stage.setY(30);
}
//setCanvasSize();
// TODO add window closing behavior
// frame.addWindowListener(new WindowAdapter() {
// @Override
// public void windowClosing(WindowEvent e) {
// System.exit(0);
// }
// });
// TODO handle frame resizing events
// setupFrameResizeListener();
if (sketch.getGraphics().displayable()) {
setVisible(true);
}
}
*/
@Override
public void placeWindow(int[] location, int[] editorLocation) {
if (sketch.sketchFullScreen()) {
PApplet.hideMenuBar();
}
//Dimension window = setFrameSize();
// int contentW = Math.max(sketchWidth, MIN_WINDOW_WIDTH);
// int contentH = Math.max(sketchHeight, MIN_WINDOW_HEIGHT);
// System.out.println("stage size is " + stage.getWidth() + " " + stage.getHeight());
int wide = sketch.width; // stage.getWidth() is NaN here
int high = sketch.height; // stage.getHeight()
if (location != null) {
// a specific location was received from the Runner
// (applet has been run more than once, user placed window)
stage.setX(location[0]);
stage.setY(location[1]);
} else if (editorLocation != null) {
int locationX = editorLocation[0] - 20;
int locationY = editorLocation[1];
if (locationX - wide > 10) {
// if it fits to the left of the window
stage.setX(locationX - wide);
stage.setY(locationY);
} else { // doesn't fit
// // if it fits inside the editor window,
// // offset slightly from upper lefthand corner
// // so that it's plunked inside the text area
// locationX = editorLocation[0] + 66;
// locationY = editorLocation[1] + 66;
//
// if ((locationX + stage.getWidth() > sketch.displayWidth - 33) ||
// (locationY + stage.getHeight() > sketch.displayHeight - 33)) {
// // otherwise center on screen
// locationX = (int) ((sketch.displayWidth - wide) / 2);
// locationY = (int) ((sketch.displayHeight - high) / 2);
// }
locationX = (sketch.displayWidth - wide) / 2;
locationY = (sketch.displayHeight - high) / 2;
stage.setX(locationX);
stage.setY(locationY);
}
} else { // just center on screen
//setFrameCentered();
}
if (stage.getY() < 0) {
// Windows actually allows you to place frames where they can't be
// closed. Awesome. http://dev.processing.org/bugs/show_bug.cgi?id=1508
//frame.setLocation(frameLoc.x, 30);
stage.setY(30);
}
//canvas.setBounds((contentW - sketchWidth)/2,
// (contentH - sketchHeight)/2,
// sketchWidth, sketchHeight);
// handle frame resizing events
//setupFrameResizeListener();
if (sketch.getGraphics().displayable()) {
setVisible(true);
}
}
// http://download.java.net/jdk8/jfxdocs/javafx/stage/Stage.html#setFullScreenExitHint-java.lang.String-
// http://download.java.net/jdk8/jfxdocs/javafx/stage/Stage.html#setFullScreenExitKeyCombination-javafx.scene.input.KeyCombination-
public void placePresent(int stopColor) {
// TODO Auto-generated method stub
PApplet.hideMenuBar();
}
@Override
public void setupExternalMessages() {
stage.xProperty().addListener(new ChangeListener() {
@Override
public void changed(ObservableValue value,
Number oldX, Number newX) {
sketch.frameMoved(newX.intValue(), stage.yProperty().intValue());
}
});
stage.yProperty().addListener(new ChangeListener() {
@Override
public void changed(ObservableValue value,
Number oldY, Number newY) {
sketch.frameMoved(stage.xProperty().intValue(), newY.intValue());
}
});
stage.setOnCloseRequest(new EventHandler() {
public void handle(WindowEvent we) {
sketch.exit();
}
});
}
public void setLocation(int x, int y) {
stage.setX(x);
stage.setY(y);
}
public void setSize(int width, int height) {
//System.out.format("%s.setSize(%d, %d)%n", getClass().getSimpleName(), width, height);
Scene scene = stage.getScene();
double decorH = stage.getWidth() - scene.getWidth();
double decorV = stage.getHeight() - scene.getHeight();
stage.setWidth(width + decorH);
stage.setHeight(height + decorV);
fx.setSize(width, height);
}
// public Component getComponent() {
// return null;
// }
public void setSmooth(int level) {
// TODO Auto-generated method stub
}
public void setFrameRate(float fps) {
// setting rate to negative so that event fires at the start of
// the key frame and first frame is drawn immediately
if (fps > 0) {
frameRate = fps;
animation.setRate(-frameRate);
}
}
// @Override
// public void requestFocus() {
// canvas.requestFocus();
// }
Cursor lastCursor = Cursor.DEFAULT;
public void setCursor(int kind) {
Cursor c;
switch (kind) {
case PConstants.ARROW: c = Cursor.DEFAULT; break;
case PConstants.CROSS: c = Cursor.CROSSHAIR; break;
case PConstants.HAND: c = Cursor.HAND; break;
case PConstants.MOVE: c = Cursor.MOVE; break;
case PConstants.TEXT: c = Cursor.TEXT; break;
case PConstants.WAIT: c = Cursor.WAIT; break;
default: c = Cursor.DEFAULT; break;
}
lastCursor = c;
canvas.getScene().setCursor(c);
}
public void setCursor(PImage image, int hotspotX, int hotspotY) {
int w = image.pixelWidth;
int h = image.pixelHeight;
WritableImage im = new WritableImage(w, h);
im.getPixelWriter().setPixels(0, 0, w, h,
PixelFormat.getIntArgbInstance(),
image.pixels,
0, w);
ImageCursor c = new ImageCursor(im, hotspotX, hotspotY);
lastCursor = c;
canvas.getScene().setCursor(c);
}
public void showCursor() {
canvas.getScene().setCursor(lastCursor);
}
public void hideCursor() {
canvas.getScene().setCursor(Cursor.NONE);
}
public void startThread() {
animation.play();
}
public void pauseThread() {
animation.pause();
}
public void resumeThread() {
animation.play();
}
public boolean stopThread() {
animation.stop();
return true;
}
public boolean isStopped() {
return animation.getStatus() == Animation.Status.STOPPED;
}
// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
/*
protected void addListeners() {
canvas.addMouseListener(new MouseListener() {
public void mousePressed(java.awt.event.MouseEvent e) {
nativeMouseEvent(e);
}
public void mouseReleased(java.awt.event.MouseEvent e) {
nativeMouseEvent(e);
}
public void mouseClicked(java.awt.event.MouseEvent e) {
nativeMouseEvent(e);
}
public void mouseEntered(java.awt.event.MouseEvent e) {
nativeMouseEvent(e);
}
public void mouseExited(java.awt.event.MouseEvent e) {
nativeMouseEvent(e);
}
});
canvas.addMouseMotionListener(new MouseMotionListener() {
public void mouseDragged(java.awt.event.MouseEvent e) {
nativeMouseEvent(e);
}
public void mouseMoved(java.awt.event.MouseEvent e) {
nativeMouseEvent(e);
}
});
canvas.addMouseWheelListener(new MouseWheelListener() {
public void mouseWheelMoved(MouseWheelEvent e) {
nativeMouseEvent(e);
}
});
canvas.addKeyListener(new KeyListener() {
public void keyPressed(java.awt.event.KeyEvent e) {
nativeKeyEvent(e);
}
public void keyReleased(java.awt.event.KeyEvent e) {
nativeKeyEvent(e);
}
public void keyTyped(java.awt.event.KeyEvent e) {
nativeKeyEvent(e);
}
});
canvas.addFocusListener(new FocusListener() {
public void focusGained(FocusEvent e) {
sketch.focused = true;
sketch.focusGained();
}
public void focusLost(FocusEvent e) {
sketch.focused = false;
sketch.focusLost();
}
});
}
*/
static Map, Integer> mouseMap =
new HashMap, Integer>();
static {
mouseMap.put(MouseEvent.MOUSE_PRESSED, processing.event.MouseEvent.PRESS);
mouseMap.put(MouseEvent.MOUSE_RELEASED, processing.event.MouseEvent.RELEASE);
mouseMap.put(MouseEvent.MOUSE_CLICKED, processing.event.MouseEvent.CLICK);
mouseMap.put(MouseEvent.MOUSE_DRAGGED, processing.event.MouseEvent.DRAG);
mouseMap.put(MouseEvent.MOUSE_MOVED, processing.event.MouseEvent.MOVE);
mouseMap.put(MouseEvent.MOUSE_ENTERED, processing.event.MouseEvent.ENTER);
mouseMap.put(MouseEvent.MOUSE_EXITED, processing.event.MouseEvent.EXIT);
}
protected void fxMouseEvent(MouseEvent fxEvent) {
// the 'amount' is the number of button clicks for a click event,
// or the number of steps/clicks on the wheel for a mouse wheel event.
int count = fxEvent.getClickCount();
int action = mouseMap.get(fxEvent.getEventType());
//EventType et = nativeEvent.getEventType();
// if (et == MouseEvent.MOUSE_PRESSED) {
// peAction = processing.event.MouseEvent.PRESS;
// } else if (et == MouseEvent.MOUSE_RELEASED) {
// peAction = processing.event.MouseEvent.RELEASE;
int modifiers = 0;
if (fxEvent.isShiftDown()) {
modifiers |= processing.event.Event.SHIFT;
}
if (fxEvent.isControlDown()) {
modifiers |= processing.event.Event.CTRL;
}
if (fxEvent.isMetaDown()) {
modifiers |= processing.event.Event.META;
}
if (fxEvent.isAltDown()) {
modifiers |= processing.event.Event.ALT;
}
int button = 0;
if (fxEvent.isPrimaryButtonDown()) {
button = PConstants.LEFT;
} else if (fxEvent.isSecondaryButtonDown()) {
button = PConstants.RIGHT;
} else if (fxEvent.isMiddleButtonDown()) {
button = PConstants.CENTER;
}
// If running on Mac OS, allow ctrl-click as right mouse.
// Verified to be necessary with Java 8u45.
if (PApplet.platform == PConstants.MACOSX &&
fxEvent.isControlDown() &&
button == PConstants.LEFT) {
button = PConstants.RIGHT;
}
//long when = nativeEvent.getWhen(); // from AWT
long when = System.currentTimeMillis();
int x = (int) fxEvent.getX(); // getSceneX()?
int y = (int) fxEvent.getY();
sketch.postEvent(new processing.event.MouseEvent(fxEvent, when,
action, modifiers,
x, y, button, count));
}
// https://docs.oracle.com/javafx/2/api/javafx/scene/input/ScrollEvent.html
protected void fxScrollEvent(ScrollEvent event) {
// //case java.awt.event.MouseWheelEvent.WHEEL_UNIT_SCROLL:
// case java.awt.event.MouseEvent.MOUSE_WHEEL:
// peAction = MouseEvent.WHEEL;
// /*
// if (preciseWheelMethod != null) {
// try {
// peAmount = ((Double) preciseWheelMethod.invoke(nativeEvent, (Object[]) null)).floatValue();
// } catch (Exception e) {
// preciseWheelMethod = null;
// }
// }
// */
// peCount = ((MouseWheelEvent) nativeEvent).getWheelRotation();
// break;
}
protected void fxKeyEvent(javafx.scene.input.KeyEvent fxEvent) {
int action = 0;
EventType et = fxEvent.getEventType();
if (et == KeyEvent.KEY_PRESSED) {
action = processing.event.KeyEvent.PRESS;
} else if (et == KeyEvent.KEY_RELEASED) {
action = processing.event.KeyEvent.RELEASE;
} else if (et == KeyEvent.KEY_TYPED) {
action = processing.event.KeyEvent.TYPE;
}
int modifiers = 0;
if (fxEvent.isShiftDown()) {
modifiers |= processing.event.Event.SHIFT;
}
if (fxEvent.isControlDown()) {
modifiers |= processing.event.Event.CTRL;
}
if (fxEvent.isMetaDown()) {
modifiers |= processing.event.Event.META;
}
if (fxEvent.isAltDown()) {
modifiers |= processing.event.Event.ALT;
}
long when = System.currentTimeMillis();
char keyChar = getKeyChar(fxEvent);
int keyCode = getKeyCode(fxEvent);
sketch.postEvent(new processing.event.KeyEvent(fxEvent, when,
action, modifiers,
keyChar, keyCode));
}
@SuppressWarnings("deprecation")
private int getKeyCode(KeyEvent fxEvent) {
if (fxEvent.getEventType() == KeyEvent.KEY_TYPED) {
return 0;
}
KeyCode kc = fxEvent.getCode();
switch (kc) {
case ALT_GRAPH:
return PConstants.ALT;
default:
break;
}
return kc.impl_getCode();
}
@SuppressWarnings("deprecation")
private char getKeyChar(KeyEvent fxEvent) {
KeyCode kc = fxEvent.getCode();
// Overriding chars for some
// KEY_PRESSED and KEY_RELEASED events
switch (kc) {
case UP:
case KP_UP:
case DOWN:
case KP_DOWN:
case LEFT:
case KP_LEFT:
case RIGHT:
case KP_RIGHT:
case ALT:
case ALT_GRAPH:
case CONTROL:
case SHIFT:
case CAPS:
case META:
case WINDOWS:
case CONTEXT_MENU:
case HOME:
case PAGE_UP:
case PAGE_DOWN:
case END:
case PAUSE:
case PRINTSCREEN:
case INSERT:
case NUM_LOCK:
case SCROLL_LOCK:
case F1:
case F2:
case F3:
case F4:
case F5:
case F6:
case F7:
case F8:
case F9:
case F10:
case F11:
case F12:
return PConstants.CODED;
case ENTER:
return '\n';
case DIVIDE:
return '/';
case MULTIPLY:
return '*';
case SUBTRACT:
return '-';
case ADD:
return '+';
case NUMPAD0:
return '0';
case NUMPAD1:
return '1';
case NUMPAD2:
return '2';
case NUMPAD3:
return '3';
case NUMPAD4:
return '4';
case NUMPAD5:
return '5';
case NUMPAD6:
return '6';
case NUMPAD7:
return '7';
case NUMPAD8:
return '8';
case NUMPAD9:
return '9';
case DECIMAL:
// KEY_TYPED does not go through here and will produce
// dot or comma based on the keyboard layout.
// For KEY_PRESSED and KEY_RELEASED, let's just go with
// the dot. Users can detect the key by its keyCode.
return '.';
case UNDEFINED:
// KEY_TYPED has KeyCode: UNDEFINED
// and falls through here
break;
default:
break;
}
// Just go with what FX gives us for the rest of
// KEY_PRESSED and KEY_RELEASED and all of KEY_TYPED
String ch;
if (fxEvent.getEventType() == KeyEvent.KEY_TYPED) {
ch = fxEvent.getCharacter();
} else {
ch = kc.impl_getChar();
}
if (ch.length() < 1) return PConstants.CODED;
if (ch.startsWith("\r")) return '\n'; // normalize enter key
return ch.charAt(0);
}
}
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