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Add delta values to Mouse events

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This commit is contained in:
Elias Naur 2004-09-22 11:08:21 +00:00
parent 0d013c7f54
commit fa1713c4e8
6 changed files with 102 additions and 61 deletions
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24
src/java/org/lwjgl/input/Keyboard.java
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@ -34,6 +34,7 @@ package org.lwjgl.input;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.nio.ByteBuffer;
import java.nio.IntBuffer;
import java.util.HashMap;
import java.util.Map;
@ -198,6 +199,8 @@ public class Keyboard {
/** Buffer size in events */
private final static int BUFFER_SIZE = 50;
/** Event size in elements */
private final static int EVENT_SIZE = 3;
/** Key names */
private static final String[] keyName = new String[255];
@ -241,7 +244,7 @@ public class Keyboard {
* followed by state. If translation is enabled, the state is followed by
* a 2 byte java char representing the translated character.
*/
private static ByteBuffer readBuffer;
private static IntBuffer readBuffer;
/** True if translation is enabled */
private static boolean translationEnabled;
@ -351,10 +354,7 @@ public class Keyboard {
private static void read() {
readBuffer.compact();
int numEvents = nRead(readBuffer, readBuffer.position());
if (translationEnabled)
readBuffer.position(readBuffer.position() + numEvents*4);
else
readBuffer.position(readBuffer.position() + numEvents*2);
readBuffer.position(readBuffer.position() + numEvents*EVENT_SIZE);
readBuffer.flip();
}
@ -370,7 +370,7 @@ public class Keyboard {
* Native method to read the keyboard buffer
* @return the total number of events read.
*/
private static native int nRead(ByteBuffer buffer, int buffer_position);
private static native int nRead(IntBuffer buffer, int buffer_position);
/**
* Enable keyboard translation. Must be called after the keyboard is created,
@ -396,7 +396,7 @@ public class Keyboard {
public static void enableBuffer() throws LWJGLException {
if (!created)
throw new IllegalStateException("Keyboard must be created before you can enable buffering");
readBuffer = BufferUtils.createByteBuffer(4*BUFFER_SIZE);
readBuffer = BufferUtils.createIntBuffer(EVENT_SIZE*BUFFER_SIZE);
readBuffer.limit(0);
nEnableBuffer();
}
@ -474,10 +474,7 @@ public class Keyboard {
public static int getNumKeyboardEvents() {
if (!created)
throw new IllegalStateException("Keyboard must be created before you can read events");
if (translationEnabled)
return readBuffer.remaining()/4;
else
return readBuffer.remaining()/2;
return readBuffer.remaining()/EVENT_SIZE;
}
/**
@ -500,9 +497,8 @@ public class Keyboard {
if (readBuffer.hasRemaining()) {
eventKey = readBuffer.get() & 0xFF;
eventState = readBuffer.get() != 0;
if (translationEnabled) {
eventCharacter = readBuffer.getChar();
}
int eventCharacterInt = readBuffer.get() & 0xFFFF;
eventCharacter = (char)eventCharacterInt;
return true;
} else {
return false;