ScreenManager: Add support for direct async touch events

native.vcxproj

@@ -19,7 +19,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{E8B58922-9827-493D-81E0-4B6E6BD77171}</ProjectGuid>
+    <ProjectGuid>{C4DF647E-80EA-4111-A0A8-218B1B711E18}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>native</RootNamespace>
   </PropertyGroup>

ui/screen.cpp

@@ -54,6 +54,18 @@ void ScreenManager::update(InputState &input) {
 	}
 }
 
+void ScreenManager::touch(int pointer, float x, float y, double time, TouchEvent event)
+{
+	if (dialog_.size()) {
+		dialog_.back()->touch(pointer, x, y, time, event);
+		return;
+	}
+	if (currentScreen_)
+	{
+		currentScreen_->touch(pointer, x, y, time, event);
+	}
+}
+
 void ScreenManager::render() {
 	if (dialog_.size()) {
 		dialog_.back()->render();

ui/screen.h

@@ -17,6 +17,7 @@
 
 #include "base/basictypes.h"
 #include "base/display.h"
+#include "base/NativeApp.h"
 
 struct InputState;
 
@@ -37,6 +38,7 @@ public:
 	virtual void render() {}
 	virtual void deviceLost() {}
 	virtual void dialogFinished(const Screen *dialog, DialogResult result) {}
+	virtual void touch(int pointer, float x, float y, double time, TouchEvent event) {}
 
 	ScreenManager *screenManager() { return screenManager_; }
 	void setScreenManager(ScreenManager *sm) { screenManager_ = sm; }
@@ -68,6 +70,9 @@ public:
 	// Pops the dialog away.
 	void finishDialog(const Screen *dialog, DialogResult result = DR_OK);
 
+	// Instant touch, separate from the update() mechanism.
+	void touch(int pointer, float x, float y, double time, TouchEvent event);
+
 private:
 	void pop();
 	Screen *topScreen();