to Awt Event - Java Swing

Java examples for Swing:Event

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Description

to Awt Event

Demo Code


//package com.java2s;
import javafx.event.EventType;
import javafx.scene.input.InputEvent;
import javafx.scene.input.KeyEvent;
import javafx.scene.input.MouseEvent;
import javafx.scene.input.ScrollEvent;
import javafx.scene.paint.Color;
import javax.swing.JLabel;
import java.awt.Component;

public class Main {
    private static final Component empty = new JLabel();

    public static java.awt.Color toAwt(final Color color) {
        if (null == color) {
            return null;
        }/*from w  w  w . j  av a2  s .  c om*/
        if (color.isOpaque() || color.getOpacity() >= 1d) {
            return new java.awt.Color((float) color.getRed(),
                    (float) color.getGreen(), (float) color.getBlue());
        } else {
            return new java.awt.Color((float) color.getRed(),
                    (float) color.getGreen(), (float) color.getBlue(),
                    (float) color.getOpacity());
        }
    }

    public static java.awt.event.MouseEvent toAwt(final MouseEvent event) {
        final EventType type = event.getEventType();
        if (null == type) {
            return null;
        }

        final int id;
        if (MouseEvent.MOUSE_MOVED.equals(type)) {
            id = java.awt.event.MouseEvent.MOUSE_MOVED;
        } else if (MouseEvent.MOUSE_DRAGGED.equals(type)) {
            id = java.awt.event.MouseEvent.MOUSE_DRAGGED;
        } else if (MouseEvent.MOUSE_CLICKED.equals(type)) {
            id = java.awt.event.MouseEvent.MOUSE_CLICKED;
        } else if (MouseEvent.MOUSE_PRESSED.equals(type)) {
            id = java.awt.event.MouseEvent.MOUSE_PRESSED;
        } else if (MouseEvent.MOUSE_RELEASED.equals(type)) {
            id = java.awt.event.MouseEvent.MOUSE_RELEASED;
        } else if (MouseEvent.MOUSE_ENTERED.equals(type)) {
            id = java.awt.event.MouseEvent.MOUSE_ENTERED;
        } else if (MouseEvent.MOUSE_EXITED.equals(type)) {
            id = java.awt.event.MouseEvent.MOUSE_EXITED;
        } else {
            return null;
        }

        final int button;
        if (event.isPrimaryButtonDown()) {
            button = java.awt.event.MouseEvent.BUTTON1;
        } else if (event.isMiddleButtonDown()) {
            button = java.awt.event.MouseEvent.BUTTON2;
        } else if (event.isSecondaryButtonDown()) {
            button = java.awt.event.MouseEvent.BUTTON3;
        } else {
            button = java.awt.event.MouseEvent.NOBUTTON;
        }

        final long when = -1;
        final int modifiers = modifiers(event);
        final int x = (int) event.getX();
        final int y = (int) event.getY();
        final int xAbs = Integer.MAX_VALUE;
        final int yAbs = Integer.MAX_VALUE;
        final int count = event.getClickCount();
        boolean popup = event.isPopupTrigger();
        if (MouseEvent.MOUSE_CLICKED.equals(type) && event.isMetaDown()) {
            // mack books use meta flag for right-clicks
            popup = true;
        }
        return new java.awt.event.MouseEvent(empty, id, when, modifiers, x,
                y, xAbs, yAbs, count, popup, button);
    }

    public static java.awt.event.KeyEvent toAwt(final KeyEvent event) {
        final EventType type = event.getEventType();
        if (null == type) {
            return null;
        }

        final int id;
        if (KeyEvent.KEY_TYPED.equals(type)) {
            id = java.awt.event.KeyEvent.KEY_TYPED;
        } else if (KeyEvent.KEY_PRESSED.equals(type)) {
            id = java.awt.event.KeyEvent.KEY_PRESSED;
        } else if (KeyEvent.KEY_RELEASED.equals(type)) {
            id = java.awt.event.KeyEvent.KEY_RELEASED;
        } else {
            return null;
        }

        final long when = -1;
        final int modifiers = modifiers(event);
        final int keyCode = keyCode(event);
        final String keyValue = event.getCharacter();
        final char keyChar = keyValue != null && !keyValue.isEmpty() ? keyValue
                .charAt(0) : ' ';
        return new java.awt.event.KeyEvent(empty, id, when, modifiers,
                keyCode, keyChar);
    }

    public static java.awt.event.KeyEvent toAwt(final ScrollEvent event) {
        final EventType type = event.getEventType();
        if (null == type) {
            return null;
        }

        final long when = -1;
        final int id = java.awt.event.KeyEvent.KEY_PRESSED;
        final int keyCode;
        if (event.getDeltaY() > 0) {
            keyCode = java.awt.event.KeyEvent.VK_PAGE_DOWN;
        } else {
            keyCode = java.awt.event.KeyEvent.VK_PAGE_UP;
        }
        final int modifiers = modifiers(event);
        final char keyChar = ' ';
        return new java.awt.event.KeyEvent(empty, id, when, modifiers,
                keyCode, keyChar);
    }

    private static int modifiers(final InputEvent event) {
        if (event instanceof MouseEvent) {
            final MouseEvent mouseEvent = (MouseEvent) event;
            int modifiers = 0;
            if (mouseEvent.isAltDown()) {
                modifiers |= java.awt.event.MouseEvent.ALT_MASK;
                modifiers |= java.awt.event.MouseEvent.ALT_DOWN_MASK;
            }
            if (mouseEvent.isControlDown()) {
                modifiers |= java.awt.event.MouseEvent.CTRL_MASK;
                modifiers |= java.awt.event.MouseEvent.CTRL_DOWN_MASK;
            }
            if (mouseEvent.isMetaDown()) {
                modifiers |= java.awt.event.MouseEvent.META_MASK;
                modifiers |= java.awt.event.MouseEvent.META_DOWN_MASK;
            }
            if (mouseEvent.isShiftDown()) {
                modifiers |= java.awt.event.MouseEvent.SHIFT_MASK;
                modifiers |= java.awt.event.MouseEvent.SHIFT_DOWN_MASK;
            }
            if (mouseEvent.isPrimaryButtonDown()) {
                modifiers |= java.awt.event.MouseEvent.BUTTON1_MASK;
            }
            if (mouseEvent.isMiddleButtonDown()) {
                modifiers |= java.awt.event.MouseEvent.BUTTON2_MASK;
            }
            if (mouseEvent.isSecondaryButtonDown()) {
                modifiers |= java.awt.event.MouseEvent.BUTTON3_MASK;
            }
            return modifiers;
        }

        if (event instanceof KeyEvent) {
            final KeyEvent keyEvent = (KeyEvent) event;
            int modifiers = 0;
            if (keyEvent.isAltDown()) {
                modifiers |= java.awt.event.KeyEvent.ALT_MASK;
            }
            if (keyEvent.isControlDown()) {
                modifiers |= java.awt.event.KeyEvent.CTRL_MASK;
            }
            if (keyEvent.isMetaDown()) {
                modifiers |= java.awt.event.KeyEvent.META_MASK;
            }
            if (keyEvent.isShiftDown()) {
                modifiers |= java.awt.event.KeyEvent.SHIFT_MASK;
            }
            return modifiers;
        }

        return 0;
    }

    private static int keyCode(final KeyEvent event) {
        if (null == event) {
            return 0;
        }
        switch (event.getCode()) {
        case UP:
            return java.awt.event.KeyEvent.VK_UP;
        case DOWN:
            return java.awt.event.KeyEvent.VK_DOWN;
        case LEFT:
            return java.awt.event.KeyEvent.VK_LEFT;
        case RIGHT:
            return java.awt.event.KeyEvent.VK_RIGHT;

        case PAGE_UP:
            return java.awt.event.KeyEvent.VK_PAGE_UP;
        case PAGE_DOWN:
            return java.awt.event.KeyEvent.VK_PAGE_DOWN;

        case BACK_SPACE:
            return java.awt.event.KeyEvent.VK_BACK_SPACE;
        case DELETE:
            return java.awt.event.KeyEvent.VK_DELETE;

        case ESCAPE:
            return java.awt.event.KeyEvent.VK_ESCAPE;

        default:
            return 0;
        }
    }
}

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