mirror of
https://github.com/shadowfacts/lwjgl2-arm64.git
synced 2026-04-05 14:35:58 +00:00
Save unread buffered input events between read()s
This commit is contained in:
Elias Naur
parent
f996e36d6c
commit
0a576f8e33
10 changed files with 289 additions and 289 deletions
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@ -40,6 +40,7 @@ import java.util.HashMap;
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import java.util.Map;
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import org.lwjgl.Sys;
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import org.lwjgl.BufferUtils;
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import org.lwjgl.opengl.Window;
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/**
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@ -191,11 +192,14 @@ public class Keyboard {
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public static final int KEY_APPS = 0xDD; /* AppMenu key */
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public static final int KEY_POWER = 0xDE;
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public static final int KEY_SLEEP = 0xDF;
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public static final int STATE_ON = 0;
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public static final int STATE_OFF = 1;
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public static final int STATE_UNKNOWN = 2;
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public static final int STATE_ON = 0;
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public static final int STATE_OFF = 1;
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public static final int STATE_UNKNOWN = 2;
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/** Buffer size in events */
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private final static int BUFFER_SIZE = 50;
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/** Key names */
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private static final String[] keyName = new String[255];
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private static final Map keyMap = new HashMap(253);
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@ -243,9 +247,6 @@ public class Keyboard {
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/** True if translation is enabled */
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private static boolean translationEnabled;
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/** The number of events read in the last read() */
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private static int numEvents;
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/** The current keyboard character being examined */
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private static char eventCharacter;
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@ -285,7 +286,7 @@ public class Keyboard {
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* @throws Exception if the keyboard could not be created for any reason
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*/
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public static void create() throws Exception {
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assert Window.isCreated() : "Window must be created prior to creating keyboard";
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assert Window.isCreated() : "Window must be created prior to creating keyboard";
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if (!initialized)
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initialize();
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if (created)
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@ -322,16 +323,16 @@ public class Keyboard {
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private static native void nDestroy();
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/**
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* Polls the keyboard for its current state. Access the polled values using the
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* <code>isKeyDown</code> method.
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* By using this method, it is possible to "miss" keyboard keys if you don't
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* poll fast enough. To receive all events, enable buffering by calling
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* <code>enableBuffer</code>, and read those events by calling <code>read</code>
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*
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* @see org.lwjgl.input.Keyboard#isKeyDown(int key)
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* @see org.lwjgl.input.Keyboard#isStateKeySet(int key)
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* @see org.lwjgl.input.Keyboard#enableBuffer()
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* @see org.lwjgl.input.Keyboard#read()
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* Polls the keyboard for its current state. Access the polled values using the
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* <code>isKeyDown</code> method.
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* By using this method, it is possible to "miss" keyboard keys if you don't
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* poll fast enough. To receive all events, enable buffering by calling
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* <code>enableBuffer</code>, and read those events by calling <code>read</code>
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*
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* @see org.lwjgl.input.Keyboard#isKeyDown(int key)
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* @see org.lwjgl.input.Keyboard#isStateKeySet(int key)
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* @see org.lwjgl.input.Keyboard#enableBuffer()
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* @see org.lwjgl.input.Keyboard#read()
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*/
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public static void poll() {
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assert created : "The keyboard has not been created.";
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@ -347,35 +348,36 @@ public class Keyboard {
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private static native void nPoll(ByteBuffer keyDownBuffer);
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/**
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* Reads all keyboard events since last read.
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* To use these values, you have to call <code>next</code> for each event you
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* want to read. You can query which key caused the event by using
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* <code>getEventKey</code>. To get the state of that key, for that event, use
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* <code>getEventKeyState</code> - finally use <code>getEventCharacter</code> to get the
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* character for that event.
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*
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* @see org.lwjgl.input.Keyboard#next()
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* @see org.lwjgl.input.Keyboard#enableBuffer()
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* @see org.lwjgl.input.Keyboard#getEventKey()
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* @see org.lwjgl.input.Keyboard#getEventKeyState()
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* @see org.lwjgl.input.Keyboard#getEventCharacter()
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* Reads all keyboard events since last read.
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* To use these values, you have to call <code>next</code> for each event you
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* want to read. You can query which key caused the event by using
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* <code>getEventKey</code>. To get the state of that key, for that event, use
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* <code>getEventKeyState</code> - finally use <code>getEventCharacter</code> to get the
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* character for that event.
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*
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* @see org.lwjgl.input.Keyboard#next()
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* @see org.lwjgl.input.Keyboard#enableBuffer()
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* @see org.lwjgl.input.Keyboard#getEventKey()
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* @see org.lwjgl.input.Keyboard#getEventKeyState()
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* @see org.lwjgl.input.Keyboard#getEventCharacter()
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*/
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public static void read() {
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assert created : "The keyboard has not been created.";
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assert readBuffer != null : "Keyboard buffering has not been enabled.";
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numEvents = nRead();
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readBuffer.clear();
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readBuffer.compact();
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int numEvents = nRead(readBuffer, readBuffer.position());
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if (translationEnabled)
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readBuffer.limit(numEvents << 2);
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readBuffer.position(readBuffer.position() + numEvents*4);
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else
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readBuffer.limit(numEvents << 1);
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readBuffer.position(readBuffer.position() + numEvents*2);
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readBuffer.flip();
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}
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/**
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* Native method to read the keyboard buffer
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* @return the total number of events read.
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*/
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private static native int nRead();
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private static native int nRead(ByteBuffer buffer, int buffer_position);
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/**
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* Enable keyboard translation. Must be called after the keyboard is created,
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@ -384,7 +386,6 @@ public class Keyboard {
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public static void enableTranslation() throws Exception {
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assert created : "The keyboard has not been created.";
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assert readBuffer != null : "Keyboard buffering has not been enabled.";
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nEnableTranslation();
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translationEnabled = true;
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}
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@ -396,14 +397,12 @@ public class Keyboard {
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/**
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* Enable keyboard buffering. Must be called after the keyboard is created.
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* @return the size of the keyboard buffer in events, or 0 if no buffering
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* can be enabled for any reason
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*/
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public static int enableBuffer() throws Exception {
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public static void enableBuffer() throws Exception {
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assert created : "The keyboard has not been created.";
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readBuffer = nEnableBuffer();
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readBuffer.order(ByteOrder.nativeOrder());
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return readBuffer.capacity()/2;
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readBuffer = BufferUtils.createByteBuffer(4*BUFFER_SIZE);
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readBuffer.limit(0);
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nEnableBuffer();
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}
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/**
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@ -411,7 +410,7 @@ public class Keyboard {
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* @return the event buffer,
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* or null if no buffer can be allocated
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*/
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private static native ByteBuffer nEnableBuffer() throws Exception;
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private static native void nEnableBuffer() throws Exception;
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/**
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* Checks to see if a key is down.
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@ -436,18 +435,18 @@ public class Keyboard {
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public static boolean isTranslationEnabled() {
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return translationEnabled;
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}
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/**
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* Checks whether one of the state keys are "active"
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*
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* @param key State key to test (KEY_CAPITAL | KEY_NUMLOCK | KEY_SYSRQ)
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* @return STATE_ON if on, STATE_OFF if off and STATE_UNKNOWN if the state is unknown
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*/
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public static int isStateKeySet(int key) {
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assert created : "The keyboard has not been created.";
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return nisStateKeySet(key);
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}
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private static native int nisStateKeySet(int key);
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/**
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* Checks whether one of the state keys are "active"
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*
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* @param key State key to test (KEY_CAPITAL | KEY_NUMLOCK | KEY_SYSRQ)
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* @return STATE_ON if on, STATE_OFF if off and STATE_UNKNOWN if the state is unknown
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*/
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public static int isStateKeySet(int key) {
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assert created : "The keyboard has not been created.";
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return nisStateKeySet(key);
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}
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private static native int nisStateKeySet(int key);
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/**
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* Gets a key's name
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@ -463,7 +462,7 @@ public class Keyboard {
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* @param keyName The key name
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*/
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public static int getKeyIndex(String keyName) {
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Integer ret = (Integer) keyMap.get(keyName);
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Integer ret = (Integer) keyMap.get(keyName);
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if (ret == null)
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return KEY_NONE;
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else
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@ -476,19 +475,22 @@ public class Keyboard {
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*/
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public static int getNumKeyboardEvents() {
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assert created : "The keyboard has not been created.";
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return numEvents;
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if (translationEnabled)
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return readBuffer.remaining()/4;
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else
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return readBuffer.remaining()/2;
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}
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/**
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* Gets the next keyboard event. You can query which key caused the event by using
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* <code>getEventKey</code>. To get the state of that key, for that event, use
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* <code>getEventKeyState</code> - finally use <code>getEventCharacter</code> to get the
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* character for that event.
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*
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* @see org.lwjgl.input.Keyboard#getEventKey()
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* @see org.lwjgl.input.Keyboard#getEventKeyState()
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* @see org.lwjgl.input.Keyboard#getEventCharacter()
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* @return true if a keyboard event was read, false otherwise
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* Gets the next keyboard event. You can query which key caused the event by using
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* <code>getEventKey</code>. To get the state of that key, for that event, use
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* <code>getEventKeyState</code> - finally use <code>getEventCharacter</code> to get the
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* character for that event.
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*
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* @see org.lwjgl.input.Keyboard#getEventKey()
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* @see org.lwjgl.input.Keyboard#getEventKeyState()
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* @see org.lwjgl.input.Keyboard#getEventCharacter()
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* @return true if a keyboard event was read, false otherwise
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*/
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public static boolean next() {
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assert created : "The keyboard has not been created.";
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@ -499,41 +501,41 @@ public class Keyboard {
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eventState = readBuffer.get() != 0;
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if (translationEnabled) {
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eventCharacter = readBuffer.getChar();
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}
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}
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return true;
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} else {
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return false;
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}
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}
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}
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/**
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* @return Number of keys on this keyboard
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*/
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public static int getKeyCount() {
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return keyCount;
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}
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public static int getKeyCount() {
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return keyCount;
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}
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/**
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* @return The character from the current event
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*/
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public static char getEventCharacter() {
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return eventCharacter;
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}
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/**
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* @return The character from the current event
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*/
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public static char getEventCharacter() {
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return eventCharacter;
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}
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/**
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* @return The key from the current event
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*/
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public static int getEventKey() {
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return eventKey;
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}
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/**
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* @return The key from the current event
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*/
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public static int getEventKey() {
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return eventKey;
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}
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/**
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* Gets the state of the tkey that generated the
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* current event
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*
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* @return True if key was down, or false if released
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*/
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public static boolean getEventKeyState() {
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return eventState;
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}
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}
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/**
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* Gets the state of the tkey that generated the
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* current event
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*
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* @return True if key was down, or false if released
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*/
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public static boolean getEventKeyState() {
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return eventState;
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}
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}
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