From dc53f8b7f360a489bd10355131339809d66378ef Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Wed, 11 Apr 2012 03:40:16 +0300
Subject: Add joystick validation before triggering events from it.

---
 src/inputmanager.cpp |  7 +++++--
 src/joystick.cpp     | 13 ++++++++++++-
 src/joystick.h       |  4 +++-
 3 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/src/inputmanager.cpp b/src/inputmanager.cpp
index 8a9e89995..e7ac40cf0 100644
--- a/src/inputmanager.cpp
+++ b/src/inputmanager.cpp
@@ -489,8 +489,11 @@ bool InputManager::handleEvent(const SDL_Event &event)
             break;
 
         case SDL_JOYBUTTONDOWN:
-            if (triggerAction(joystick->getActionVector(event)))
-                return true;
+            if (joystick && joystick->validate())
+            {
+                if (triggerAction(joystick->getActionVector(event)))
+                    return true;
+            }
             break;
         default:
             break;
diff --git a/src/joystick.cpp b/src/joystick.cpp
index 2bd8b582a..3222c9825 100644
--- a/src/joystick.cpp
+++ b/src/joystick.cpp
@@ -275,7 +275,7 @@ KeysVector *Joystick::getActionVector(const SDL_Event &event)
     return nullptr;
 }
 
-int Joystick::getButtonFromEvent(const SDL_Event &event)
+int Joystick::getButtonFromEvent(const SDL_Event &event) const
 {
     if (event.jbutton.which != mNumber)
         return -1;
@@ -284,6 +284,9 @@ int Joystick::getButtonFromEvent(const SDL_Event &event)
 
 bool Joystick::isActionActive(int index) const
 {
+    if (!validate())
+        return false;
+
     const KeyFunction &key = inputManager.getKey(index);
     for (size_t i = 0; i < KeyFunctionSize; i ++)
     {
@@ -298,3 +301,11 @@ bool Joystick::isActionActive(int index) const
     }
     return false;
 }
+
+bool Joystick::validate() const
+{
+    if (mCalibrating || !mEnabled || !mCalibrated)
+        return false;
+
+    return (mUseInactive || Client::getInputFocused());
+}
diff --git a/src/joystick.h b/src/joystick.h
index 55b75d373..740fa7cbd 100644
--- a/src/joystick.h
+++ b/src/joystick.h
@@ -121,10 +121,12 @@ class Joystick
 
         KeysVector *getActionVector(const SDL_Event &event);
 
-        int getButtonFromEvent(const SDL_Event &event);
+        int getButtonFromEvent(const SDL_Event &event) const;
 
         bool isActionActive(int index) const;
 
+        bool validate() const;
+
     protected:
         unsigned char mDirection;
 
-- 
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