Add mouse event handling

Makefile

@@ -20,6 +20,7 @@ SOURCES = \
     $(COMMON_C_SOURCE)       \
     libchelper.c             \
     main.cpp                 \
+    input.cpp                \
 
 # Build rules generated by macros from common.mk:
 

input.cpp

@@ -0,0 +1,58 @@
+#include "moonlight.hpp"
+
+#include "ppapi/c/ppb_input_event.h"
+
+#include "ppapi/cpp/input_event.h"
+
+#include <Limelight.h>
+
+static int ConvertPPButtonToLiButton(PP_InputEvent_MouseButton ppButton) {
+    switch (ppButton) {
+        case PP_INPUTEVENT_MOUSEBUTTON_LEFT:
+            return BUTTON_LEFT;
+        case PP_INPUTEVENT_MOUSEBUTTON_MIDDLE:
+            return BUTTON_MIDDLE;
+        case PP_INPUTEVENT_MOUSEBUTTON_RIGHT:
+            return BUTTON_RIGHT;
+        default:
+            return 0;
+    }
+}
+
+bool MoonlightInstance::HandleInputEvent(const pp::InputEvent& event) {
+    switch (event.GetType()) {
+        case PP_INPUTEVENT_TYPE_MOUSEDOWN: {
+            pp::MouseInputEvent mouseEvent(event);
+
+            LiSendMouseButtonEvent(ConvertPPButtonToLiButton(mouseEvent.GetButton()), BUTTON_ACTION_PRESS);
+            return true;
+        }
+
+        case PP_INPUTEVENT_TYPE_MOUSEMOVE: {
+            pp::MouseInputEvent mouseEvent(event);
+            pp::Point posDelta = mouseEvent.GetMovement();
+
+            LiSendMouseMoveEvent(posDelta.x(), posDelta.y());
+            return true;
+        }
+
+        case PP_INPUTEVENT_TYPE_MOUSEUP: {
+            pp::MouseInputEvent mouseEvent(event);
+
+            LiSendMouseButtonEvent(ConvertPPButtonToLiButton(mouseEvent.GetButton()), BUTTON_ACTION_RELEASE);
+            return true;
+        }
+
+        case PP_INPUTEVENT_TYPE_WHEEL: {
+            pp::WheelInputEvent wheelEvent(event);
+
+            // FIXME: Handle fractional scroll ticks
+            LiSendScrollEvent((signed char) wheelEvent.GetTicks().y());
+            return true;
+        }
+
+        default: {
+            return false;
+        }
+    }
+}

moonlight.hpp

@@ -12,4 +12,6 @@ class MoonlightInstance : public pp::Instance {
         }
 
         virtual ~MoonlightInstance();
+
+        bool HandleInputEvent(const pp::InputEvent& event);
 };