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Author: Conzar (posted 2012-04-24 10:07:38, viewed 198 times)

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diff --git coreAPI/src/java/net/java/games/input/Keyboard.java coreAPI/src/java/net/java/games/input/Keyboard.java
index e168869..36dd634 100644
--- coreAPI/src/java/net/java/games/input/Keyboard.java
+++ coreAPI/src/java/net/java/games/input/Keyboard.java
 -66,4 +66,8 @@ public abstract class Keyboard extends AbstractController {
          return false;
       return key.getPollData() != 0;
    }
+
+   public boolean grab(){ return false; }
+
+   public boolean ungrab(){ return false;}
 } // class Keyboard
diff --git coreAPI/src/java/net/java/games/input/Mouse.java coreAPI/src/java/net/java/games/input/Mouse.java
index 74301ff..5fe9cc7 100644
--- coreAPI/src/java/net/java/games/input/Mouse.java
+++ coreAPI/src/java/net/java/games/input/Mouse.java
 -183,4 +183,8 @@ public abstract class Mouse extends AbstractController {
       return getComponent(Component.Identifier.Button._4);
    }
 
+   public boolean grab(){ return false; }
+
+   public boolean ungrab(){ return false;}
+
 } // class Mouse
diff --git plugins/OSX/src/java/net/java/games/input/OSXEnvironmentPlugin.java plugins/OSX/src/java/net/java/games/input/OSXEnvironmentPlugin.java
old mode 100755
new mode 100644
diff --git plugins/linux/src/java/net/java/games/input/LinuxEnvironmentPlugin.java plugins/linux/src/java/net/java/games/input/LinuxEnvironmentPlugin.java
index fc829c9..1a1a85c 100644
--- plugins/linux/src/java/net/java/games/input/LinuxEnvironmentPlugin.java
+++ plugins/linux/src/java/net/java/games/input/LinuxEnvironmentPlugin.java
 -480,6 +480,43 @@ public final class LinuxEnvironmentPlugin extends ControllerEnvironment implemen
       }
     }
 
+    /**
+     * Attempt to find devices using uinput used for forwarding events.
+     * TODO try to work this out!
+     */
+    /*
+    private final void enumerateUInputControllers(List controllers) {
+      final File dev = new File("/dev/uinput");
+      File[] event_device_files = listFilesPrivileged(dev, new FilenameFilter() {
+         public final boolean accept(File dir, String name) {
+            return name.startsWith("event");
+         }
+      });
+      if (event_device_files == null)
+         return;
+      for (int i = 0; i < event_device_files.length; i++) {
+         File event_file = event_device_files[i];
+         try {
+            String path = getAbsolutePathPrivileged(event_file);
+            LinuxEventDevice device = new LinuxEventDevice(path);
+            try {
+               Controller controller = createControllerFromDevice(device);
+               if (controller != null) {
+                  controllers.add(controller);
+                  devices.add(device);
+               } else
+                  device.close();
+            } catch (IOException e) {
+               logln("Failed to create Controller: " + e.getMessage());
+               device.close();
+            }
+         } catch (IOException e) {
+            logln("Failed to open device (" + event_file + "): " + e.getMessage());
+         }
+      }
+    }
+    */
+
    private final class ShutdownHook extends Thread {
       public final void run() {
          for (int i = 0; i < devices.size(); i++) {
diff --git plugins/linux/src/java/net/java/games/input/LinuxEventDevice.java plugins/linux/src/java/net/java/games/input/LinuxEventDevice.java
index a28c4c7..1517147 100644
--- plugins/linux/src/java/net/java/games/input/LinuxEventDevice.java
+++ plugins/linux/src/java/net/java/games/input/LinuxEventDevice.java
 -94,28 +94,6 @@ final class LinuxEventDevice implements LinuxDevice {
    }
 
    private final Controller.Type guessType() throws IOException {
-      Controller.Type type_from_usages = guessTypeFromUsages();
-      if (type_from_usages == Controller.Type.UNKNOWN)
-         return guessTypeFromComponents();
-      else
-         return type_from_usages;
-   }
-   
-   private final Controller.Type guessTypeFromUsages() throws IOException {
-      byte[] usage_bits = getDeviceUsageBits();
-      if (isBitSet(usage_bits, NativeDefinitions.USAGE_MOUSE))
-         return Controller.Type.MOUSE;
-      else if (isBitSet(usage_bits, NativeDefinitions.USAGE_KEYBOARD))
-         return Controller.Type.KEYBOARD;
-      else if (isBitSet(usage_bits, NativeDefinitions.USAGE_GAMEPAD))
-         return Controller.Type.GAMEPAD;
-      else if (isBitSet(usage_bits, NativeDefinitions.USAGE_JOYSTICK))
-         return Controller.Type.STICK;
-      else
-         return Controller.Type.UNKNOWN;
-   }
-
-   private final Controller.Type guessTypeFromComponents() throws IOException {
       List components = getComponents();
       if (components.size() == 0)
          return Controller.Type.UNKNOWN;
 -342,15 +320,6 @@ final class LinuxEventDevice implements LinuxDevice {
    }
    private final static native void nGetBits(long fd, int ev_type, byte[] evtype_bits) throws IOException;
 
-   private final byte[] getDeviceUsageBits() throws IOException {
-      byte[] bits = new byte[NativeDefinitions.USAGE_MAX/8 + 1];
-      if (getVersion() >= 0x010001) {
-         nGetDeviceUsageBits(fd, bits);
-      }
-      return bits;
-   }
-   private final static native void nGetDeviceUsageBits(long fd, byte[] type_bits) throws IOException;
-
    public final synchronized void pollKeyStates() throws IOException {
       nGetKeyStates(fd, key_states);
    }
 -391,6 +360,36 @@ final class LinuxEventDevice implements LinuxDevice {
          throw new IOException("Device is closed");
    }
 
+   private final static native int nGrab(long fd, int grab) throws IOException;
+
+   /**
+    * Grabs the device so that no other programs can read from the device.
+    */
+   public synchronized final boolean grab(){
+      try{
+         if(nGrab(fd,1) == 0){
+            return false;
+         }   
+      }catch(IOException e){
+         return false;
+      }
+      return true;
+   }
+   /**
+    * Release the event so other programs can get events.
+    */
+   public synchronized final boolean ungrab(){
+      try{
+         if(nGrab(fd,0) == 0){
+            return false;
+         }   
+      }catch(IOException e){
+         return false;
+      }
+      return true;
+   }
+
+
    protected void finalize() throws IOException {
       close();
    }
diff --git plugins/linux/src/java/net/java/games/input/LinuxKeyboard.java plugins/linux/src/java/net/java/games/input/LinuxKeyboard.java
index 96b2d08..3795541 100644
--- plugins/linux/src/java/net/java/games/input/LinuxKeyboard.java
+++ plugins/linux/src/java/net/java/games/input/LinuxKeyboard.java
 -65,4 +65,8 @@ final class LinuxKeyboard extends Keyboard {
    public final void pollDevice() throws IOException {
       device.pollKeyStates();
    }
+
+   public boolean grab(){ return device.grab(); }
+
+   public boolean ungrab(){ return device.ungrab();}
 }
diff --git plugins/linux/src/java/net/java/games/input/LinuxMouse.java plugins/linux/src/java/net/java/games/input/LinuxMouse.java
index 17b5895..4c3d208 100644
--- plugins/linux/src/java/net/java/games/input/LinuxMouse.java
+++ plugins/linux/src/java/net/java/games/input/LinuxMouse.java
 -65,4 +65,8 @@ final class LinuxMouse extends Mouse {
    protected final boolean getNextDeviceEvent(Event event) throws IOException {
       return LinuxControllers.getNextDeviceEvent(event, device);
    }
+
+   public boolean grab(){ return device.grab(); }
+
+   public boolean ungrab(){ return device.ungrab();}
 }
diff --git plugins/linux/src/native/net_java_games_input_LinuxEventDevice.c plugins/linux/src/native/net_java_games_input_LinuxEventDevice.c
index 90eff09..044c3dd 100644
--- plugins/linux/src/native/net_java_games_input_LinuxEventDevice.c
+++ plugins/linux/src/native/net_java_games_input_LinuxEventDevice.c
 -112,20 +112,6 @@ JNIEXPORT jint JNICALL Java_net_java_games_input_LinuxEventDevice_nGetNumEffects
    return num_effects;
 }
 
-JNIEXPORT void JNICALL Java_net_java_games_input_LinuxEventDevice_nGetDeviceUsageBits(JNIEnv *env, jclass unused, jlong fd_address, jbyteArray usages_array) {
-#if EV_VERSION >= 0x010001
-   int fd = (int)fd_address;
-   jsize len = (*env)->GetArrayLength(env, usages_array);
-   jbyte *usages = (*env)->GetByteArrayElements(env, usages_array, NULL);
-   if (usages == NULL)
-      return;
-   int res = ioctl(fd, EVIOCGUSAGE(len), usages);
-   (*env)->ReleaseByteArrayElements(env, usages_array, usages, 0);
-   if (res == -1)
-      throwIOException(env, "Failed to get device usages (%d)\n", errno);
-#endif
-}
-
 JNIEXPORT void JNICALL Java_net_java_games_input_LinuxEventDevice_nGetBits(JNIEnv *env, jclass unused, jlong fd_address, jint evtype, jbyteArray bits_array) {
    int fd = (int)fd_address;
    jsize len = (*env)->GetArrayLength(env, bits_array);
 -255,3 +241,18 @@ JNIEXPORT void JNICALL Java_net_java_games_input_LinuxEventDevice_nEraseEffect(J
    if (ioctl(fd, EVIOCRMFF, &ff_id_int) == -1)
       throwIOException(env, "Failed to erase effect (%d)\n", errno);
 }
+
+JNIEXPORT jint JNICALL Java_net_java_games_input_LinuxEventDevice_nGrab(JNIEnv *env, jclass unused, jlong fd_address, jint do_grab) {
+        int fd = (int)fd_address;
+        int grab = (int)do_grab;
+<<<<<<< HEAD
+        int version;
+        if (ioctl(fd,EVIOCGRAB,do_grab) == -1){
+=======
+        if (ioctl(fd,EVIOCGRAB,grab) == -1){
+>>>>>>> 835f3b36964d5a757ab4baea8240f1d56a97e375
+                throwIOException(env, "Failed to grab device (%d)\n", errno);
+            return -1;
+   }
+        return 1;
+}





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