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Folded read into poll to simplify interface

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This commit is contained in:
Elias Naur 2004-04-07 07:55:42 +00:00
parent 8065870592
commit 4974a66398
5 changed files with 41 additions and 71 deletions
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52
src/java/org/lwjgl/input/Keyboard.java
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@ -326,15 +326,37 @@ public class Keyboard {
* poll fast enough. To receive all events, enable buffering by calling
* <code>enableBuffer</code>, and read those events by calling <code>read</code>
*
* This method also reads all keyboard events since last read if keyboard buffering is enabled.
* To use these values, you have to call <code>next</code> for each event you
* want to read. You can query which key caused the event by using
* <code>getEventKey</code>. To get the state of that key, for that event, use
* <code>getEventKeyState</code> - finally use <code>getEventCharacter</code> to get the
* character for that event.
*
* @see org.lwjgl.input.Keyboard#isKeyDown(int key)
* @see org.lwjgl.input.Keyboard#isStateKeySet(int key)
* @see org.lwjgl.input.Keyboard#next()
* @see org.lwjgl.input.Keyboard#enableBuffer()
* @see org.lwjgl.input.Keyboard#read()
* @see org.lwjgl.input.Keyboard#getEventKey()
* @see org.lwjgl.input.Keyboard#getEventKeyState()
* @see org.lwjgl.input.Keyboard#getEventCharacter()
*/
public static void poll() {
if (!created)
throw new IllegalStateException("Keyboard must be created before you can poll the device");
nPoll(keyDownBuffer);
if (readBuffer != null)
read();
}
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.flip();
}
/**
@ -345,34 +367,6 @@ public class Keyboard {
*/
private static native void nPoll(ByteBuffer keyDownBuffer);
/**
* Reads all keyboard events since last read.
* To use these values, you have to call <code>next</code> for each event you
* want to read. You can query which key caused the event by using
* <code>getEventKey</code>. To get the state of that key, for that event, use
* <code>getEventKeyState</code> - finally use <code>getEventCharacter</code> to get the
* character for that event.
*
* @see org.lwjgl.input.Keyboard#next()
* @see org.lwjgl.input.Keyboard#enableBuffer()
* @see org.lwjgl.input.Keyboard#getEventKey()
* @see org.lwjgl.input.Keyboard#getEventKeyState()
* @see org.lwjgl.input.Keyboard#getEventCharacter()
*/
public static void read() {
if (!created)
throw new IllegalStateException("Keyboard must be created before you can read events");
if (readBuffer == null)
throw new IllegalStateException("Event buffering must be enabled before you can read events");
readBuffer.compact();
int numEvents = nRead(readBuffer, readBuffer.position());
if (translationEnabled)
readBuffer.position(readBuffer.position() + numEvents*4);
else
readBuffer.position(readBuffer.position() + numEvents*2);
readBuffer.flip();
}
/**
* Native method to read the keyboard buffer
* @return the total number of events read.