ALT+TAB patch for JME+Lwjgl2 on Linux (X)

 .

JInputJoyInput.java.patch

--- <unnamed>
+++ <unnamed>
@@ -117,7 +117,17 @@
         inited = true;
     }
 
+    private boolean enabled=true;
+    public void setEnabled(boolean v){
+        enabled=v;
+    }
+
+    public boolean isEnabled(){
+        return enabled;
+    }
+
     public void update() {
+        if(!enabled) return;
         ControllerEnvironment ce =
             ControllerEnvironment.getDefaultEnvironment();
 

LwjglAbstractDisplay.java.patch

--- <unnamed>
+++ <unnamed>
@@ -224,9 +224,11 @@
                         listener.gainFocus();
                         timer.reset();
                         wasActive = true;
+                        onFocusGained();
                     } else {
                         listener.loseFocus();
                         wasActive = false;
+                        onFocusLost();
                     }
                 }
             }
@@ -237,6 +239,15 @@
                 break;
         }
         deinitInThread();
+    }
+
+
+    protected void onFocusGained(){
+
+    }
+
+    protected void onFocusLost(){
+
     }
 
     public JoyInput getJoyInput() {

LwjglDisplay.java.patch

--- <unnamed>
+++ <unnamed>
@@ -32,6 +32,7 @@
 
 package com.jme3.system.lwjgl;
 
+import com.jme3.EngineHacks;
 import com.jme3.system.AppSettings;
 import com.jme3.system.JmeContext.Type;
 import java.awt.Graphics2D;
@@ -41,6 +42,7 @@
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import org.lwjgl.LWJGLException;
+import org.lwjgl.input.Mouse;
 import org.lwjgl.opengl.*;
 
 public class LwjglDisplay extends LwjglAbstractDisplay {
@@ -261,4 +263,68 @@
         return ByteBuffer.wrap(imageBuffer);
     }
 
+    private boolean skipNextGrab=false;
+    private boolean skipNextLoss=false;
+    private boolean wasMouseGrabbed;
+
+    protected void onFocusGained() {
+        if(!EngineHacks.windowedOnAltTab)return;
+        if(settings.isFullscreen() && Display.isVisible()  ){
+
+            if(skipNextGrab){
+                skipNextGrab=false;
+                return;
+            }
+
+            System.out.println("Focus gained");
+            try{
+                if(!Display.isFullscreen()){
+                    Display.setFullscreen(true);
+                    skipNextLoss=true;
+                }                
+                if(keyInput != null) keyInput.setEnabled(true);
+                if(joyInput != null) joyInput.setEnabled(true);
+                if(mouseInput != null){
+                    mouseInput.setEnabled(true);
+                    Mouse.setGrabbed(wasMouseGrabbed);
+                    Mouse.setClipMouseCoordinatesToWindow(true);
+                    Mouse.setGrabbed(true);
+                }
+
+                Display.update();
+
+            }catch(LWJGLException e){
+                e.printStackTrace();
+            }
+        }
+    }
+
+
+    protected void onFocusLost() {    
+        if(!EngineHacks.windowedOnAltTab)return;
+   
+        if(settings.isFullscreen()){
+                if(skipNextLoss){
+                    skipNextLoss=false;
+                    return;
+                }
+                try{
+                    if(Display.isFullscreen()){
+                        Display.setFullscreen(false);
+                        skipNextGrab=true;
+                    }
+                    if(keyInput!=null) keyInput.setEnabled(false);                    
+                    if(joyInput!=null) joyInput.setEnabled(false);                                        
+                    if(mouseInput!=null){
+                        mouseInput.setEnabled(false);
+                        wasMouseGrabbed=Mouse.isGrabbed();
+                        Mouse.setGrabbed(false);
+                        Mouse.setClipMouseCoordinatesToWindow(false);
+                    }       
+                }catch(LWJGLException e){
+                    e.printStackTrace();
+                }
+        }
+    }
+
 }

LwjglKeyInput.java.patch

--- <unnamed>
+++ <unnamed>
@@ -72,7 +72,18 @@
         return Keyboard.KEYBOARD_SIZE;
     }
 
+    private boolean enabled=true;
+    public void setEnabled(boolean v){
+        enabled=v;
+    }
+
+    public boolean isEnabled(){
+        return enabled;
+    }
+
     public void update() {
+        if(!enabled) return;
+        
         if (!context.isRenderable())
             return;
         

LwjglMouseInput.java.patch

--- <unnamed>
+++ <unnamed>
@@ -99,7 +99,17 @@
         return Mouse.getButtonCount();
     }
 
+    private boolean enabled=true;
+    public void setEnabled(boolean v){
+        enabled=v;
+    }
+
+    public boolean isEnabled(){
+        return enabled;
+    }
+
     public void update() {
+        if(!enabled) return;
         if (!context.isRenderable())
             return;