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boolean results -> Exceptions

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This commit is contained in:
Elias Naur 2003-09-30 10:52:05 +00:00
parent 42e8f13cbe
commit dd72b04c90
9 changed files with 77 additions and 79 deletions
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20
src/java/org/lwjgl/input/Keyboard.java
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@ -286,17 +286,14 @@ public class Keyboard {
initialize();
if (created)
return;
if (!nCreate())
throw new Exception("The keyboard could not be created.");
nCreate();
created = true;
}
/**
* Native method to create the keyboard
*
* @return true if the keyboard was created
*/
private static native boolean nCreate();
private static native void nCreate() throws Exception;
/**
* @return true if the keyboard has been created
@ -359,27 +356,26 @@ public class Keyboard {
/**
* Enable keyboard translation. Must be called after the keyboard is created,
* and keyboard buffering must be enabled.
* @return false if translation cannot be enabled; true if it can
*/
public static boolean enableTranslation() {
public static void enableTranslation() throws Exception {
assert created : "The keyboard has not been created.";
assert readBuffer != null : "Keyboard buffering has not been enabled.";
translationEnabled = nEnableTranslation();
return translationEnabled;
nEnableTranslation();
translationEnabled = true;
}
/**
* Native method to enable the translation buffer
*/
private static native boolean nEnableTranslation();
private static native void nEnableTranslation() throws Exception;
/**
* Enable keyboard buffering. Must be called after the keyboard is created.
* @return the size of the keyboard buffer in events, or 0 if no buffering
* can be enabled for any reason
*/
public static int enableBuffer() {
public static int enableBuffer() throws Exception {
assert created : "The keyboard has not been created.";
int buf_len = nEnableBuffer();
if (readBuffer != null)
@ -392,7 +388,7 @@ public class Keyboard {
* @return the size of the buffer allocated, in events (1 event is 2 bytes),
* or 0 if no buffer can be allocated
*/
private static native int nEnableBuffer();
private static native int nEnableBuffer() throws Exception;
/**
* Checks to see if a key is down.