rename HFCancelEvent to HFBackEvent, fire from joystick

interface/src/Application.cpp

@@ -56,7 +56,7 @@
 #include <AudioInjector.h>
 #include <EntityScriptingInterface.h>
 #include <HFActionEvent.h>
-#include <HFCancelEvent.h>
+#include <HFBackEvent.h>
 #include <LocalVoxelsList.h>
 #include <Logging.h>
 #include <NetworkAccessManager.h>
@@ -1106,8 +1106,8 @@ void Application::keyPressEvent(QKeyEvent* event) {
                 OculusManager::abandonCalibration();
                 
                 // this fires the HFCancelEvent
-                HFCancelEvent startCancelEvent(HFCancelEvent::startType());
+                HFBackEvent startBackEvent(HFBackEvent::startType());
-                sendEvent(this, &startCancelEvent);
+                sendEvent(this, &startBackEvent);
                 
                 break;
             }
@@ -1183,8 +1183,8 @@ void Application::keyReleaseEvent(QKeyEvent* event) {
             break;
         case Qt::Key_Escape: {
             // this ends the HFCancelEvent
-            HFCancelEvent endCancelEvent(HFCancelEvent::endType());
+            HFBackEvent endBackEvent(HFBackEvent::endType());
-            sendEvent(this, &endCancelEvent);
+            sendEvent(this, &endBackEvent);
             
             break;
         }

interface/src/scripting/ControllerScriptingInterface.cpp

@@ -10,7 +10,7 @@
 //
 
 #include <HandData.h>
-#include <HFCancelEvent.h>
+#include <HFBackEvent.h>
 
 #include "Application.h"
 #include "devices/MotionTracker.h"
@@ -31,9 +31,9 @@ void ControllerScriptingInterface::handleMetaEvent(HFMetaEvent* event) {
         emit actionStartEvent(static_cast<HFActionEvent&>(*event));
     } else if (event->type() == HFActionEvent::endType()) {
         emit actionEndEvent(static_cast<HFActionEvent&>(*event));
-    } else if (event->type() == HFCancelEvent::startType()) {
+    } else if (event->type() == HFBackEvent::startType()) {
         emit cancelStartEvent();
-    } else if (event->type() == HFCancelEvent::endType()) {
+    } else if (event->type() == HFBackEvent::endType()) {
         emit cancelEndEvent();
     }
 }

interface/src/scripting/JoystickScriptingInterface.cpp

@@ -9,6 +9,7 @@
 //  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
 //
 
+#include <qapplication.h>
 #include <QtDebug>
 #include <QScriptValue>
 
@@ -17,6 +18,7 @@
 #undef main
 #endif
 
+#include <HFBackEvent.h>
 #include <PerfStat.h>
 
 #include "JoystickScriptingInterface.h"
@@ -108,6 +110,17 @@ void JoystickScriptingInterface::update() {
                 if (joystick) {
                     joystick->handleButtonEvent(event.cbutton);
                 }
+                
+                if (event.cbutton.button == SDL_CONTROLLER_BUTTON_BACK) {
+                    // this will either start or stop a cancel event
+                    QEvent::Type backType = (event.type == SDL_CONTROLLERBUTTONDOWN)
+                        ? HFBackEvent::startType()
+                        : HFBackEvent::endType();
+                    HFBackEvent backEvent(backType);
+                    
+                    qApp->sendEvent(qApp, &backEvent);
+                }
+                
             } else if (event.type == SDL_CONTROLLERDEVICEADDED) {
                 SDL_GameController* controller = SDL_GameControllerOpen(event.cdevice.which);
 

libraries/script-engine/src/HFBackEvent.cpp

@@ -1,5 +1,5 @@
 //
-//  HFCancelEvent.cpp
+//  HFBackEvent.cpp
 //  script-engine/src
 //
 //  Created by Stephen Birarda on 2014-10-27.
@@ -9,20 +9,20 @@
 //  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
 //
 
-#include "HFCancelEvent.h"
+#include "HFBackEvent.h"
 
-HFCancelEvent::HFCancelEvent(QEvent::Type type) :
+HFBackEvent::HFBackEvent(QEvent::Type type) :
     HFMetaEvent(type)
 {
     
 }
 
-QEvent::Type HFCancelEvent::startType() {
+QEvent::Type HFBackEvent::startType() {
     static QEvent::Type startType = HFMetaEvent::newEventType();
     return startType;
 }
 
-QEvent::Type HFCancelEvent::endType() {
+QEvent::Type HFBackEvent::endType() {
     static QEvent::Type endType = HFMetaEvent::newEventType();
     return endType;
 }

libraries/script-engine/src/HFBackEvent.h

@@ -1,5 +1,5 @@
 //
-//  HFCancelEvent.h
+//  HFBackEvent.h
 //  script-engine/src
 //
 //  Created by Stephen Birarda on 2014-10-27.
@@ -9,21 +9,21 @@
 //  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
 //
 
-#ifndef hifi_HFCancelEvent_h
+#ifndef hifi_HFBackEvent_h
-#define hifi_HFCancelEvent_h
+#define hifi_HFBackEvent_h
 
 #include <qevent.h>
 #include <qscriptengine.h>
 
 #include "HFMetaEvent.h"
 
-class HFCancelEvent : public HFMetaEvent {
+class HFBackEvent : public HFMetaEvent {
 public:
-    HFCancelEvent() {};
+    HFBackEvent() {};
-    HFCancelEvent(QEvent::Type type);
+    HFBackEvent(QEvent::Type type);
     
     static QEvent::Type startType();
     static QEvent::Type endType();
 };
 
-#endif // hifi_HFCancelEvent_h
+#endif // hifi_HFBackEvent_h