com.badlogic.gdx.backends.lwjgl.DefaultLwjglInput Maven / Gradle / Ivy
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/*******************************************************************************
* Copyright 2011 See AUTHORS file.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package com.badlogic.gdx.backends.lwjgl;
import com.badlogic.gdx.AbstractInput;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Input;
import com.badlogic.gdx.InputEventQueue;
import com.badlogic.gdx.InputProcessor;
import com.badlogic.gdx.input.NativeInputConfiguration;
import com.badlogic.gdx.utils.IntSet;
import org.lwjgl.input.Keyboard;
import org.lwjgl.input.Mouse;
import org.lwjgl.opengl.Display;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.event.WindowEvent;
import java.awt.event.WindowFocusListener;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.OverlayLayout;
import javax.swing.SwingUtilities;
import javax.swing.border.Border;
import javax.swing.border.EmptyBorder;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
/** An implementation of the {@link LwjglInput} interface hooking a LWJGL panel for input.
* @author mzechner */
final public class DefaultLwjglInput extends AbstractInput implements LwjglInput {
static public float keyRepeatInitialTime = 0.4f;
static public float keyRepeatTime = 0.1f;
final InputEventQueue eventQueue = new InputEventQueue();
int deltaX, deltaY;
final boolean[] justPressedButtons = new boolean[5];
boolean justTouched;
final IntSet pressedButtons = new IntSet();
InputProcessor processor;
char lastKeyCharPressed;
float keyRepeatTimer;
float deltaTime;
long lastTime;
public DefaultLwjglInput () {
Keyboard.enableRepeatEvents(false);
Mouse.setClipMouseCoordinatesToWindow(false);
}
@Override
public float getAccelerometerX () {
return 0;
}
@Override
public float getAccelerometerY () {
return 0;
}
@Override
public float getAccelerometerZ () {
return 0;
}
@Override
public float getGyroscopeX () {
return 0;
}
@Override
public float getGyroscopeY () {
return 0;
}
@Override
public float getGyroscopeZ () {
return 0;
}
@Override
public void getTextInput (TextInputListener listener, String title, String text, String hint) {
getTextInput(listener, title, text, hint, OnscreenKeyboardType.Default);
}
@Override
public void getTextInput (final TextInputListener listener, final String title, final String text, final String hint,
OnscreenKeyboardType type) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run () {
JPanel panel = new JPanel(new FlowLayout());
JPanel textPanel = new JPanel() {
public boolean isOptimizedDrawingEnabled () {
return false;
};
};
textPanel.setLayout(new OverlayLayout(textPanel));
panel.add(textPanel);
final JTextField textField = new JTextField(20);
textField.setText(text);
textField.setAlignmentX(0.0f);
textPanel.add(textField);
final JLabel placeholderLabel = new JLabel(hint);
placeholderLabel.setForeground(Color.GRAY);
placeholderLabel.setAlignmentX(0.0f);
textPanel.add(placeholderLabel, 0);
textField.getDocument().addDocumentListener(new DocumentListener() {
@Override
public void removeUpdate (DocumentEvent arg0) {
this.updated();
}
@Override
public void insertUpdate (DocumentEvent arg0) {
this.updated();
}
@Override
public void changedUpdate (DocumentEvent arg0) {
this.updated();
}
private void updated () {
if (textField.getText().length() == 0)
placeholderLabel.setVisible(true);
else
placeholderLabel.setVisible(false);
}
});
JOptionPane pane = new JOptionPane(panel, JOptionPane.QUESTION_MESSAGE, JOptionPane.OK_CANCEL_OPTION, null, null,
null);
pane.setInitialValue(null);
pane.setComponentOrientation(JOptionPane.getRootFrame().getComponentOrientation());
Border border = textField.getBorder();
placeholderLabel.setBorder(new EmptyBorder(border.getBorderInsets(textField)));
JDialog dialog = pane.createDialog(null, title);
pane.selectInitialValue();
dialog.addWindowFocusListener(new WindowFocusListener() {
@Override
public void windowLostFocus (WindowEvent arg0) {
}
@Override
public void windowGainedFocus (WindowEvent arg0) {
textField.requestFocusInWindow();
}
});
dialog.setModal(true);
dialog.setAlwaysOnTop(true);
dialog.setVisible(true);
dialog.dispose();
Object selectedValue = pane.getValue();
if (selectedValue != null && (selectedValue instanceof Integer)
&& ((Integer)selectedValue).intValue() == JOptionPane.OK_OPTION) {
listener.input(textField.getText());
} else {
listener.canceled();
}
}
});
}
@Override
public int getMaxPointers () {
return 1;
}
@Override
public int getX () {
return (int)(Mouse.getX() * Display.getPixelScaleFactor());
}
@Override
public int getY () {
return Gdx.graphics.getHeight() - 1 - (int)(Mouse.getY() * Display.getPixelScaleFactor());
}
@Override
public boolean isTouched () {
boolean button = Mouse.isButtonDown(0) || Mouse.isButtonDown(1) || Mouse.isButtonDown(2);
return button;
}
@Override
public int getX (int pointer) {
if (pointer > 0) return 0;
return getX();
}
@Override
public int getY (int pointer) {
if (pointer > 0) return 0;
return getY();
}
@Override
public boolean isTouched (int pointer) {
if (pointer > 0) return false;
return isTouched();
}
@Override
public float getPressure () {
return getPressure(0);
}
@Override
public float getPressure (int pointer) {
return isTouched(pointer) ? 1 : 0;
}
@Override
public void setOnscreenKeyboardVisible (boolean visible) {
}
@Override
public void setOnscreenKeyboardVisible (boolean visible, OnscreenKeyboardType type) {
}
@Override
public void openTextInputField (NativeInputConfiguration configuration) {
}
@Override
public void closeTextInputField (boolean sendReturn) {
}
@Override
public void setKeyboardHeightObserver (KeyboardHeightObserver observer) {
}
@Override
public void processEvents () {
eventQueue.drain(processor);
}
public int getGdxKeyCode (int lwjglKeyCode) {
switch (lwjglKeyCode) {
case Keyboard.KEY_LBRACKET:
return Input.Keys.LEFT_BRACKET;
case Keyboard.KEY_RBRACKET:
return Input.Keys.RIGHT_BRACKET;
case Keyboard.KEY_GRAVE:
return Input.Keys.GRAVE;
case Keyboard.KEY_MULTIPLY:
return Keys.NUMPAD_MULTIPLY;
case Keyboard.KEY_PAUSE:
return Keys.PAUSE;
case Keyboard.KEY_CAPITAL:
return Keys.CAPS_LOCK;
case Keyboard.KEY_SYSRQ:
return Keys.PRINT_SCREEN;
case Keyboard.KEY_SCROLL:
return Keys.SCROLL_LOCK;
case Keyboard.KEY_NUMLOCK:
return Keys.NUM_LOCK;
case Keyboard.KEY_DECIMAL:
return Keys.NUMPAD_DOT;
case Keyboard.KEY_DIVIDE:
return Keys.NUMPAD_DIVIDE;
case Keyboard.KEY_LMETA:
return Input.Keys.SYM;
case Keyboard.KEY_RMETA:
return Input.Keys.SYM;
case Keyboard.KEY_NUMPADEQUALS:
return Keys.NUMPAD_EQUALS;
case Keyboard.KEY_AT:
return Input.Keys.AT;
case Keyboard.KEY_EQUALS:
return Input.Keys.EQUALS;
case Keyboard.KEY_NUMPADCOMMA:
return Keys.NUMPAD_COMMA;
case Keyboard.KEY_NUMPADENTER:
return Keys.NUMPAD_ENTER;
case Keyboard.KEY_0:
return Input.Keys.NUM_0;
case Keyboard.KEY_1:
return Input.Keys.NUM_1;
case Keyboard.KEY_2:
return Input.Keys.NUM_2;
case Keyboard.KEY_3:
return Input.Keys.NUM_3;
case Keyboard.KEY_4:
return Input.Keys.NUM_4;
case Keyboard.KEY_5:
return Input.Keys.NUM_5;
case Keyboard.KEY_6:
return Input.Keys.NUM_6;
case Keyboard.KEY_7:
return Input.Keys.NUM_7;
case Keyboard.KEY_8:
return Input.Keys.NUM_8;
case Keyboard.KEY_9:
return Input.Keys.NUM_9;
case Keyboard.KEY_A:
return Input.Keys.A;
case Keyboard.KEY_B:
return Input.Keys.B;
case Keyboard.KEY_C:
return Input.Keys.C;
case Keyboard.KEY_D:
return Input.Keys.D;
case Keyboard.KEY_E:
return Input.Keys.E;
case Keyboard.KEY_F:
return Input.Keys.F;
case Keyboard.KEY_G:
return Input.Keys.G;
case Keyboard.KEY_H:
return Input.Keys.H;
case Keyboard.KEY_I:
return Input.Keys.I;
case Keyboard.KEY_J:
return Input.Keys.J;
case Keyboard.KEY_K:
return Input.Keys.K;
case Keyboard.KEY_L:
return Input.Keys.L;
case Keyboard.KEY_M:
return Input.Keys.M;
case Keyboard.KEY_N:
return Input.Keys.N;
case Keyboard.KEY_O:
return Input.Keys.O;
case Keyboard.KEY_P:
return Input.Keys.P;
case Keyboard.KEY_Q:
return Input.Keys.Q;
case Keyboard.KEY_R:
return Input.Keys.R;
case Keyboard.KEY_S:
return Input.Keys.S;
case Keyboard.KEY_T:
return Input.Keys.T;
case Keyboard.KEY_U:
return Input.Keys.U;
case Keyboard.KEY_V:
return Input.Keys.V;
case Keyboard.KEY_W:
return Input.Keys.W;
case Keyboard.KEY_X:
return Input.Keys.X;
case Keyboard.KEY_Y:
return Input.Keys.Y;
case Keyboard.KEY_Z:
return Input.Keys.Z;
case Keyboard.KEY_LMENU:
return Input.Keys.ALT_LEFT;
case Keyboard.KEY_RMENU:
return Input.Keys.ALT_RIGHT;
case Keyboard.KEY_BACKSLASH:
return Input.Keys.BACKSLASH;
case Keyboard.KEY_COMMA:
return Input.Keys.COMMA;
case Keyboard.KEY_DELETE:
return Input.Keys.FORWARD_DEL;
case Keyboard.KEY_LEFT:
return Input.Keys.DPAD_LEFT;
case Keyboard.KEY_RIGHT:
return Input.Keys.DPAD_RIGHT;
case Keyboard.KEY_UP:
return Input.Keys.DPAD_UP;
case Keyboard.KEY_DOWN:
return Input.Keys.DPAD_DOWN;
case Keyboard.KEY_RETURN:
return Input.Keys.ENTER;
case Keyboard.KEY_HOME:
return Input.Keys.HOME;
case Keyboard.KEY_MINUS:
return Input.Keys.MINUS;
case Keyboard.KEY_PERIOD:
return Input.Keys.PERIOD;
case Keyboard.KEY_ADD:
return Keys.NUMPAD_ADD;
case Keyboard.KEY_SEMICOLON:
return Input.Keys.SEMICOLON;
case Keyboard.KEY_LSHIFT:
return Input.Keys.SHIFT_LEFT;
case Keyboard.KEY_RSHIFT:
return Input.Keys.SHIFT_RIGHT;
case Keyboard.KEY_SLASH:
return Input.Keys.SLASH;
case Keyboard.KEY_SPACE:
return Input.Keys.SPACE;
case Keyboard.KEY_TAB:
return Input.Keys.TAB;
case Keyboard.KEY_LCONTROL:
return Input.Keys.CONTROL_LEFT;
case Keyboard.KEY_RCONTROL:
return Input.Keys.CONTROL_RIGHT;
case Keyboard.KEY_NEXT:
return Input.Keys.PAGE_DOWN;
case Keyboard.KEY_PRIOR:
return Input.Keys.PAGE_UP;
case Keyboard.KEY_ESCAPE:
return Input.Keys.ESCAPE;
case Keyboard.KEY_END:
return Input.Keys.END;
case Keyboard.KEY_INSERT:
return Input.Keys.INSERT;
case Keyboard.KEY_BACK:
return Input.Keys.DEL;
case Keyboard.KEY_SUBTRACT:
return Keys.NUMPAD_SUBTRACT;
case Keyboard.KEY_APOSTROPHE:
return Input.Keys.APOSTROPHE;
case Keyboard.KEY_F1:
return Input.Keys.F1;
case Keyboard.KEY_F2:
return Input.Keys.F2;
case Keyboard.KEY_F3:
return Input.Keys.F3;
case Keyboard.KEY_F4:
return Input.Keys.F4;
case Keyboard.KEY_F5:
return Input.Keys.F5;
case Keyboard.KEY_F6:
return Input.Keys.F6;
case Keyboard.KEY_F7:
return Input.Keys.F7;
case Keyboard.KEY_F8:
return Input.Keys.F8;
case Keyboard.KEY_F9:
return Input.Keys.F9;
case Keyboard.KEY_F10:
return Input.Keys.F10;
case Keyboard.KEY_F11:
return Input.Keys.F11;
case Keyboard.KEY_F12:
return Input.Keys.F12;
case Keyboard.KEY_F13:
return Input.Keys.F13;
case Keyboard.KEY_F14:
return Input.Keys.F14;
case Keyboard.KEY_F15:
return Input.Keys.F15;
case Keyboard.KEY_F16:
return Input.Keys.F16;
case Keyboard.KEY_F17:
return Input.Keys.F17;
case Keyboard.KEY_F18:
return Input.Keys.F18;
case Keyboard.KEY_COLON:
return Input.Keys.COLON;
case Keyboard.KEY_NUMPAD0:
return Input.Keys.NUMPAD_0;
case Keyboard.KEY_NUMPAD1:
return Input.Keys.NUMPAD_1;
case Keyboard.KEY_NUMPAD2:
return Input.Keys.NUMPAD_2;
case Keyboard.KEY_NUMPAD3:
return Input.Keys.NUMPAD_3;
case Keyboard.KEY_NUMPAD4:
return Input.Keys.NUMPAD_4;
case Keyboard.KEY_NUMPAD5:
return Input.Keys.NUMPAD_5;
case Keyboard.KEY_NUMPAD6:
return Input.Keys.NUMPAD_6;
case Keyboard.KEY_NUMPAD7:
return Input.Keys.NUMPAD_7;
case Keyboard.KEY_NUMPAD8:
return Input.Keys.NUMPAD_8;
case Keyboard.KEY_NUMPAD9:
return Input.Keys.NUMPAD_9;
default:
return Input.Keys.UNKNOWN;
}
}
@Override
public void update () {
updateTime();
updateMouse();
updateKeyboard();
}
private int toGdxButton (int button) {
if (button == 0) return Buttons.LEFT;
if (button == 1) return Buttons.RIGHT;
if (button == 2) return Buttons.MIDDLE;
if (button == 3) return Buttons.BACK;
if (button == 4) return Buttons.FORWARD;
return -1;
}
void updateTime () {
long thisTime = System.nanoTime();
deltaTime = (thisTime - lastTime) / 1000000000.0f;
lastTime = thisTime;
}
void updateMouse () {
if (justTouched) {
justTouched = false;
for (int i = 0; i < justPressedButtons.length; i++) {
justPressedButtons[i] = false;
}
}
if (Mouse.isCreated()) {
int events = 0;
while (Mouse.next()) {
events++;
int x = (int)(Mouse.getEventX() * Display.getPixelScaleFactor());
int y = Gdx.graphics.getHeight() - (int)(Mouse.getEventY() * Display.getPixelScaleFactor()) - 1;
int button = Mouse.getEventButton();
int gdxButton = toGdxButton(button);
if (button != -1 && gdxButton == -1) continue; // Ignore unknown button.
long time = Mouse.getEventNanoseconds();
// could be drag, scroll or move
if (button == -1) {
if (Mouse.getEventDWheel() != 0)
eventQueue.scrolled(0, (int)-Math.signum(Mouse.getEventDWheel()), time);
else if (pressedButtons.size > 0)
eventQueue.touchDragged(x, y, 0, time);
else
eventQueue.mouseMoved(x, y, time);
// nope, it's a down or up event.
} else if (Mouse.getEventButtonState()) {
eventQueue.touchDown(x, y, 0, gdxButton, time);
pressedButtons.add(gdxButton);
justPressedButtons[gdxButton] = true;
justTouched = true;
} else {
eventQueue.touchUp(x, y, 0, gdxButton, time);
pressedButtons.remove(gdxButton);
}
deltaX = (int)(Mouse.getEventDX() * Display.getPixelScaleFactor());
deltaY = (int)(Mouse.getEventDY() * Display.getPixelScaleFactor());
}
if (events == 0) {
deltaX = 0;
deltaY = 0;
} else {
Gdx.graphics.requestRendering();
}
}
}
void updateKeyboard () {
if (keyJustPressed) {
keyJustPressed = false;
for (int i = 0; i < justPressedKeys.length; i++) {
justPressedKeys[i] = false;
}
}
if (lastKeyCharPressed != 0) {
keyRepeatTimer -= deltaTime;
if (keyRepeatTimer < 0) {
keyRepeatTimer = DefaultLwjglInput.keyRepeatTime;
eventQueue.keyTyped(lastKeyCharPressed, System.nanoTime());
Gdx.graphics.requestRendering();
}
}
if (Keyboard.isCreated()) {
while (Keyboard.next()) {
int keyCode = getGdxKeyCode(Keyboard.getEventKey());
char keyChar = Keyboard.getEventCharacter();
long time = Keyboard.getEventNanoseconds();
if (Keyboard.getEventKeyState() || (keyCode == 0 && keyChar != 0 && Character.isDefined(keyChar))) {
switch (keyCode) {
case Keys.DEL:
keyChar = 8;
break;
case Keys.FORWARD_DEL:
keyChar = 127;
break;
}
if (keyCode != 0) {
eventQueue.keyDown(keyCode, time);
pressedKeyCount++;
keyJustPressed = true;
pressedKeys[keyCode] = true;
justPressedKeys[keyCode] = true;
lastKeyCharPressed = keyChar;
keyRepeatTimer = DefaultLwjglInput.keyRepeatInitialTime;
}
eventQueue.keyTyped(keyChar, time);
} else {
eventQueue.keyUp(keyCode, time);
pressedKeyCount--;
pressedKeys[keyCode] = false;
lastKeyCharPressed = 0;
}
Gdx.graphics.requestRendering();
}
}
}
@Override
public void setInputProcessor (InputProcessor processor) {
this.processor = processor;
}
@Override
public InputProcessor getInputProcessor () {
return this.processor;
}
@Override
public void vibrate (int milliseconds) {
}
@Override
public void vibrate (int milliseconds, boolean fallback) {
}
@Override
public void vibrate (int milliseconds, int amplitude, boolean fallback) {
}
@Override
public void vibrate (VibrationType vibrationType) {
}
@Override
public boolean justTouched () {
return justTouched;
}
private int toLwjglButton (int button) {
switch (button) {
case Buttons.LEFT:
return 0;
case Buttons.RIGHT:
return 1;
case Buttons.MIDDLE:
return 2;
case Buttons.BACK:
return 3;
case Buttons.FORWARD:
return 4;
}
return 0;
}
@Override
public boolean isButtonPressed (int button) {
return Mouse.isButtonDown(toLwjglButton(button));
}
@Override
public boolean isButtonJustPressed (int button) {
if (button < 0 || button >= justPressedButtons.length) return false;
return justPressedButtons[button];
}
@Override
public float getAzimuth () {
return 0;
}
@Override
public float getPitch () {
return 0;
}
@Override
public float getRoll () {
return 0;
}
@Override
public boolean isPeripheralAvailable (Peripheral peripheral) {
return peripheral == Peripheral.HardwareKeyboard;
}
@Override
public int getRotation () {
return 0;
}
@Override
public Orientation getNativeOrientation () {
return Orientation.Landscape;
}
@Override
public void setCursorCatched (boolean catched) {
Mouse.setGrabbed(catched);
}
@Override
public boolean isCursorCatched () {
return Mouse.isGrabbed();
}
@Override
public int getDeltaX () {
return deltaX;
}
@Override
public int getDeltaX (int pointer) {
if (pointer == 0) return deltaX;
return 0;
}
@Override
public int getDeltaY () {
return -deltaY;
}
@Override
public int getDeltaY (int pointer) {
if (pointer == 0) return -deltaY;
return 0;
}
@Override
public void setCursorPosition (int x, int y) {
Mouse.setCursorPosition(x, Gdx.graphics.getHeight() - 1 - y);
}
@Override
public long getCurrentEventTime () {
return eventQueue.getCurrentEventTime();
}
@Override
public void getRotationMatrix (float[] matrix) {
}
}
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