Screens need to know when the device is lost. Cleanup.

Android.mk

@@ -51,7 +51,7 @@ LOCAL_SRC_FILES :=\
     util/random/perlin.cpp
 
 
-LOCAL_CFLAGS := -O2
+LOCAL_CFLAGS := -O2 -DGL_GLEXT_PROTOTYPES -fsigned-char
 LOCAL_CPPFLAGS := -fno-exceptions -fno-rtti -std=gnu++0x
 LOCAL_LDLIBS := -lz
 LOCAL_C_INCLUDES := $(LOCAL_PATH)/ext/libzip

native.vcxproj

@@ -237,7 +237,6 @@
     <ClInclude Include="net\http_client.h" />
     <ClInclude Include="net\resolve.h" />
     <ClInclude Include="profiler\profiler.h" />
-    <ClInclude Include="ui\list_screen.h" />
     <ClInclude Include="ui\screen.h" />
     <ClInclude Include="ui\ui.h" />
     <ClInclude Include="ui\virtual_input.h" />
@@ -317,7 +316,6 @@
     <ClCompile Include="net\http_client.cpp" />
     <ClCompile Include="net\resolve.cpp" />
     <ClCompile Include="profiler\profiler.cpp" />
-    <ClCompile Include="ui\list_screen.cpp" />
     <ClCompile Include="ui\screen.cpp" />
     <ClCompile Include="ui\ui.cpp" />
     <ClCompile Include="ui\virtual_input.cpp" />

native.vcxproj.filters

@@ -194,9 +194,6 @@
     <ClInclude Include="base\linked_ptr.h">
       <Filter>base</Filter>
     </ClInclude>
-    <ClInclude Include="ui\list_screen.h">
-      <Filter>ui</Filter>
-    </ClInclude>
     <ClInclude Include="base\backtrace.h">
       <Filter>base</Filter>
     </ClInclude>
@@ -373,9 +370,6 @@
     <ClCompile Include="ui\screen.cpp">
       <Filter>ui</Filter>
     </ClCompile>
-    <ClCompile Include="ui\list_screen.cpp">
-      <Filter>ui</Filter>
-    </ClCompile>
     <ClCompile Include="base\backtrace.cpp">
       <Filter>base</Filter>
     </ClCompile>

ui/list_screen.cpp

@@ -1,6 +0,0 @@
-#include "ui/list_screen.h"
-
-ListScreen::ListScreen() {
-
-}
-

ui/list_screen.h

@@ -1,10 +0,0 @@
-#include "ui/screen.h"
-
-
-class ListScreen {
-public:
-  ListScreen();
-  
-private:
-
-};

ui/screen.cpp

@@ -33,7 +33,7 @@ void ScreenManager::switchScreen(Screen *screen) {
   }
 }
 
-void ScreenManager::update(const InputState &input) {
+void ScreenManager::update(InputState &input) {
   if (dialog_.size()) {
     dialog_.back()->update(input);
     return;
@@ -66,6 +66,14 @@ void ScreenManager::render() {
 	}
 }
 
+void ScreenManager::deviceLost()
+{
+	if (currentScreen_)
+		currentScreen_->deviceLost();
+	// Dialogs too? Nah, they should only use the standard UI texture anyway.
+	// TODO: Change this when it becomes necessary.
+}
+
 Screen *ScreenManager::topScreen() {
   if (dialog_.size())
     return dialog_.back();

ui/screen.h

@@ -31,10 +31,11 @@ class Screen {
 public:
 	Screen();
 	virtual ~Screen();
-	virtual void update(const InputState &input) = 0;
+	virtual void update(InputState &input) = 0;
 	virtual void render() {}
-
+	virtual void deviceLost() {}
   virtual void dialogFinished(const Screen *dialog, DialogResult result) {}
+
 private:
   DISALLOW_COPY_AND_ASSIGN(Screen);
 };
@@ -50,8 +51,9 @@ public:
 	virtual ~ScreenManager();
 
 	void switchScreen(Screen *screen);
-	void update(const InputState &input);
+	void update(InputState &input);
 	void render();
+	void deviceLost();
   void shutdown();
 
   // Push a dialog box in front. Currently 1-level only.

ui/virtual_input.h

@@ -1,5 +1,9 @@
 #pragma once
 
+#include "gfx/texture_atlas.h"
+
+class DrawBuffer;
+
 // Multitouch-enabled emulation of a hardware button.
 // (any finger will work, simultaneously with other virtual button/stick actions).
 class TouchButton