enabled OK button on GuiCombat screen when choosing defenders/attackers. iOS solution only currently. To implement in Android, we need to create a mask/invisible button above the OK button coordinates and add a listener to activate when a user touches the appropriate area. Not ideal, but it works for now.

TODO:  translate functionality into core of engine.

JGE/include/JGE.h

@@ -371,7 +371,8 @@ class JGE
   /// and in IOS to communicate with the EAGL layer
   void SendCommand(std::string command);
   void SendCommand(std::string command, std::string parameter);
-  
+  void SendCommand(std::string command, float& x, float& y, float& width, float& height);
+
  #if defined (ANDROID)
    /// Access to JNI Environment
    void SetJNIEnv(JNIEnv * env, jclass cls);

JGE/src/JGE.cpp

@@ -589,6 +589,8 @@ void JGE::SendCommand(string command)
 {
 #if defined (ANDROID)
     sendJNICommand(command);
+#elif defined (IOS)
+    SendCommand(command, "");
 #endif
 }
 
@@ -597,29 +599,42 @@ void JGE::SendCommand(std::string command, std::string parameter)
 #if defined (IOS)
     // get the app delegate and have it handle the command
     wagicAppDelegate *delegate = [ [UIApplication sharedApplication] delegate];
-    DebugTrace("Command: "<< command << " with parameter: " << parameter << endl);
     [delegate handleWEngineCommand:[NSString stringWithCString: command.c_str() encoding: NSUTF8StringEncoding]
                      withParameter: [NSString stringWithCString: parameter.c_str() encoding:NSUTF8StringEncoding]];
     
 #endif
 }
 
- #if defined (ANDROID)
-   /// Access to JNI Environment
-    void JGE::SetJNIEnv(JNIEnv * env, jclass cls)
-    {
-        mJNIEnv = env;
-        mJNIClass = cls;
-        midSendCommand = mJNIEnv->GetStaticMethodID(mJNIClass,"jgeSendCommand","(Ljava/lang/String;)V");
-    }
-	
-    void JGE::sendJNICommand(string command)
-    {
-        if (midSendCommand) {
-            mJNIEnv->CallStaticVoidMethod(mJNIClass, midSendCommand, mJNIEnv->NewStringUTF(command.c_str()));
-        }       
-	}
+// this controls commands meant to modify/interact with UI
+void JGE::SendCommand(std::string command, float& x, float& y, float& width, float& height)
+{
+#ifdef ANDROID
+
+#elif IOS
+    wagicAppDelegate *delegate = [[UIApplication sharedApplication] delegate];
+    [delegate handleWEngineCommand: [NSString stringWithCString: command.c_str() encoding: NSUTF8StringEncoding] withUIParameters: x yCoordinate: y width: width height: height];
+#endif
+    
+}
+
+
+#if defined (ANDROID)
+/// Access to JNI Environment
+void JGE::SetJNIEnv(JNIEnv * env, jclass cls)
+{
+    mJNIEnv = env;
+    mJNIClass = cls;
+    midSendCommand = mJNIEnv->GetStaticMethodID(mJNIClass,"jgeSendCommand","(Ljava/lang/String;)V");
+}
+
+void JGE::sendJNICommand(string command)
+{
+    if (midSendCommand) {
+        mJNIEnv->CallStaticVoidMethod(mJNIClass, midSendCommand, mJNIEnv->NewStringUTF(command.c_str()));
+    }       
+}
 #endif 
 
+
 std::queue< pair< pair<LocalKeySym, JButton>, bool> > JGE::keyBuffer;
 std::multimap<LocalKeySym, JButton> JGE::keyBinds;

JGE/src/iOS/EAGLViewController.h

@@ -6,8 +6,11 @@
     BOOL bannerIsVisible;
 }
 
+- (void)addOkButtonListener: (CGRect) frame;
+
 @property (nonatomic, retain) id eaglView;
 @property (nonatomic, retain) UITextField *inputField;
+@property (nonatomic, retain) UIButton *okButtonView;
 @property (nonatomic, assign) BOOL bannerIsVisible;
 
 @end

JGE/src/iOS/EAGLViewController.m

@@ -10,6 +10,7 @@
 
 @synthesize bannerIsVisible;
 @synthesize eaglView;
+@synthesize okButtonView;
 @synthesize inputField;
 
 #pragma mark initialization / deallocation methods
@@ -38,6 +39,7 @@
     [eaglView setDelegate: nil];
     [eaglView release], eaglView = nil;
     [inputField release], inputField = nil;
+    [okButtonView release], okButtonView = nil;
     [super dealloc];
 }
 
@@ -86,10 +88,32 @@
     // e.g. self.myOutlet = nil;
 }
 
+#pragma mark - UIView Creation
+- (void)addOkButtonListener: (CGRect) frame
+{
+    // create an invisible view to handle the pressing of the OK button.
+    if ( okButtonView == nil )
+    {
+        okButtonView = [[UIButton alloc] initWithFrame: frame];
+        [okButtonView setBackgroundColor: [UIColor clearColor]];
+        [okButtonView setEnabled: YES];
+        [okButtonView addTarget: self.view action:@selector(handleOK:) forControlEvents: UIControlEventTouchUpInside];
+        [self.view addSubview: okButtonView];
+    }
+    else
+    {
+        [self.view bringSubviewToFront: okButtonView];
+    }
+}
 
-#pragma mark -
+- (void)removeOkButtonListener
+{
+    [[self.view.subviews lastObject] removeFromSuperview];
+    [okButtonView release], okButtonView = nil;
+}
 
-#pragma mark device orientation handlers
+
+#pragma mark - device orientation handlers
 
 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
     // Overriden to allow any orientation.

JGE/src/iOS/wagicAppDelegate.h

@@ -14,6 +14,7 @@
 - (void) rotateBackgroundImage:(UIInterfaceOrientation)fromInterfaceOrientation toInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation;
 
 - (void) handleWEngineCommand:(NSString *) command withParameter: (NSString *) parameter;
+- (void) handleWEngineCommand:(NSString *) command withUIParameters: (CGFloat) x yCoordinate: (CGFloat) y width: (CGFloat) width height: (CGFloat) height;
 
 @property (nonatomic, retain) IBOutlet UIWindow *window;
 @property (nonatomic, retain) EAGLViewController *glViewController;

JGE/src/iOS/wagicAppDelegate.m

@@ -144,6 +144,16 @@
     [self.glViewController toggleKeyboardWithState: initialState];
 }
 
+- (void) handleWEngineCommand:(NSString *) command 
+             withUIParameters: (CGFloat) x 
+                  yCoordinate: (CGFloat) y 
+                        width: (CGFloat) width 
+                       height: (CGFloat) height
+{
+    CGRect uiFrame = CGRectMake(x, y, width, height);
+    if ( [command isEqualToString: @"okbuttoncreated"] )
+        [glViewController addOkButtonListener: uiFrame];
+}
 
 - (void)handleWEngineCommand:(NSString *) command withParameter: (NSString *) parameter
 {
@@ -165,6 +175,10 @@
     {
         [self initializeKeyboard: parameter];
     }
+    else if ([command isEqualToString: @"combatGuiEndDamage"])
+    {
+        [glViewController removeOkButtonListener];
+    }
 }