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Issue number: 35

Browse source 
Read the axis and button maps from the joystick nodes.
This commit is contained in:
endolf 2007-08-12 15:47:51 +00:00
parent 940c48b558
commit 8699a0c8b1
3 changed files with 62 additions and 5 deletions
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10
plugins/linux/src/java/net/java/games/input/LinuxEnvironmentPlugin.java
View file

@ -312,8 +312,10 @@ public final class LinuxEnvironmentPlugin extends ControllerEnvironment implemen
private final static Controller createJoystickFromJoystickDevice(LinuxJoystickDevice device) {
List components = new ArrayList();
byte[] axisMap = device.getAxisMap();
char[] buttonMap = device.getButtonMap();
for (int i = 0; i < device.getNumButtons(); i++) {
Component.Identifier.Button button_id = getButtonIdentifier(i);
Component.Identifier.Button button_id = (Component.Identifier.Button)LinuxNativeTypesMap.getButtonID(buttonMap[i]);
if (button_id != null) {
LinuxJoystickButton button = new LinuxJoystickButton(button_id);
device.registerButton(i, button);
@ -322,14 +324,12 @@ public final class LinuxEnvironmentPlugin extends ControllerEnvironment implemen
}
for (int i = 0; i < device.getNumAxes(); i++) {
Component.Identifier.Axis axis_id;
if ((i % 2) == 0)
axis_id = Component.Identifier.Axis.X;
else
axis_id = Component.Identifier.Axis.Y;
axis_id = (Component.Identifier.Axis) LinuxNativeTypesMap.getAbsAxisID(axisMap[i]);
LinuxJoystickAxis axis = new LinuxJoystickAxis(axis_id);
device.registerAxis(i, axis);
components.add(axis);
}
return new LinuxJoystickAbstractController(device, (Component[])components.toArray(new Component[]{}), new Controller[]{}, new Rumbler[]{});
}

22
plugins/linux/src/java/net/java/games/input/LinuxJoystickDevice.java
View file

@ -48,6 +48,8 @@ final class LinuxJoystickDevice implements LinuxDevice {
private final Event event = new Event();
private final LinuxJoystickButton[] buttons;
private final LinuxJoystickAxis[] axes;
private final byte[] axisMap;
private final char[] buttonMap;
private EventQueue event_queue;
@ -63,6 +65,8 @@ final class LinuxJoystickDevice implements LinuxDevice {
setBufferSize(AbstractController.EVENT_QUEUE_DEPTH);
buttons = new LinuxJoystickButton[getNumDeviceButtons()];
axes = new LinuxJoystickAxis[getNumDeviceAxes()];
axisMap = getDeviceAxisMap();
buttonMap = getDeviceButtonMap();
} catch (IOException e) {
close();
throw e;
@ -142,6 +146,14 @@ final class LinuxJoystickDevice implements LinuxDevice {
return buttons.length;
}
public final byte[] getAxisMap() {
return axisMap;
}
public final char[] getButtonMap() {
return buttonMap;
}
private final int getNumDeviceButtons() throws IOException {
return nGetNumButtons(fd);
}
@ -152,6 +164,16 @@ final class LinuxJoystickDevice implements LinuxDevice {
}
private final static native int nGetNumAxes(long fd) throws IOException;
private final byte[] getDeviceAxisMap() throws IOException {
return nGetAxisMap(fd);
}
private final static native byte[] nGetAxisMap(long fd) throws IOException;
private final char[] getDeviceButtonMap() throws IOException {
return nGetButtonMap(fd);
}
private final static native char[] nGetButtonMap(long fd) throws IOException;
private final int getVersion() throws IOException {
return nGetVersion(fd);
}

35
plugins/linux/src/native/net_java_games_input_LinuxJoystickDevice.c
View file

@ -108,6 +108,41 @@ JNIEXPORT jint JNICALL Java_net_java_games_input_LinuxJoystickDevice_nGetNumAxes
return num_axes;
}
JNIEXPORT jbyteArray JNICALL Java_net_java_games_input_LinuxJoystickDevice_nGetAxisMap(JNIEnv *env, jclass unused, jlong fd_address) {
int fd = (int)fd_address;
__u8 axis_map[ABS_MAX + 1];
if (ioctl(fd, JSIOCGAXMAP, axis_map) == -1) {
throwIOException(env, "Failed to get axis map (%d)\n", errno);
return NULL;
}
jbyteArray axis_map_array = (*env)->NewByteArray(env, (ABS_MAX + 1));
if (axis_map_array == NULL)
return NULL;
(*env)->SetByteArrayRegion(env, axis_map_array, 0, (ABS_MAX + 1), (jbyte *)axis_map);
return axis_map_array;
}
JNIEXPORT jcharArray JNICALL Java_net_java_games_input_LinuxJoystickDevice_nGetButtonMap(JNIEnv *env, jclass unused, jlong fd_address) {
int fd = (int)fd_address;
int i=0;
__u16 button_map[KEY_MAX - BTN_MISC + 1];
if (ioctl(fd, JSIOCGBTNMAP, button_map) == -1) {
throwIOException(env, "Failed to get button map (%d)\n", errno);
return NULL;
}
for(i=0;i<10;i++) {
printf("Button %d maps to %d\n", i, button_map[i]);
}
jcharArray button_map_array = (*env)->NewCharArray(env, (KEY_MAX - BTN_MISC + 1));
if (button_map_array == NULL)
return NULL;
(*env)->SetCharArrayRegion(env, button_map_array, 0, (KEY_MAX - BTN_MISC + 1), (jbyte *)button_map);
return button_map_array;
}
JNIEXPORT jboolean JNICALL Java_net_java_games_input_LinuxJoystickDevice_nGetNextEvent(JNIEnv *env, jclass unused, jlong fd_address, jobject event_return) {
int fd = (int)fd_address;
jclass event_class = (*env)->GetObjectClass(env, event_return);