diff --git a/gui/gui.cpp b/gui/gui.cpp
index 92eab29..7fd474a 100644
--- a/gui/gui.cpp
+++ b/gui/gui.cpp
@@ -33,8 +33,8 @@
 #include <unistd.h>
 #include <stdlib.h>
 
-
-extern "C" {
+extern "C"
+{
 #include "../common.h"
 #include "../roots.h"
 #include "../minuitwrp/minui.h"
@@ -48,6 +48,8 @@
 #include "../data.hpp"
 #include "../variables.h"
 #include "../partitions.hpp"
+#include "../twrp-functions.hpp"
+#include "blanktimer.hpp"
 
 const static int CURTAIN_FADE = 32;
 
@@ -59,609 +61,687 @@
 static int gGuiConsoleRunning = 0;
 static int gGuiConsoleTerminate = 0;
 static int gForceRender = 0;
+pthread_mutex_t gForceRendermutex;
 static int gNoAnimation = 1;
 static int gGuiInputRunning = 0;
+blanktimer blankTimer;
 
 // Needed by pages.cpp too
 int gGuiRunning = 0;
 
 static int gRecorder = -1;
 
-extern "C" void gr_write_frame_to_file(int fd);
+extern "C" void gr_write_frame_to_file (int fd);
 
-void flip(void)
+void
+flip (void)
 {
-    if (gRecorder != -1)
-    {
-        timespec time;
-        clock_gettime(CLOCK_MONOTONIC, &time);
-        write(gRecorder, &time, sizeof(timespec));
-        gr_write_frame_to_file(gRecorder);
-    }
-    gr_flip();
-    return;
+  if (gRecorder != -1)
+	{
+	  timespec time;
+	  clock_gettime (CLOCK_MONOTONIC, &time);
+	  write (gRecorder, &time, sizeof (timespec));
+	  gr_write_frame_to_file (gRecorder);
+	}
+  gr_flip ();
+  return;
 }
 
-void rapidxml::parse_error_handler(const char *what, void *where)
+void
+rapidxml::parse_error_handler (const char *what, void *where)
 {
-    fprintf(stderr, "Parser error: %s\n", what);
-    fprintf(stderr, "  Start of string: %s\n", (char*) where);
-    abort();
+  fprintf (stderr, "Parser error: %s\n", what);
+  fprintf (stderr, "  Start of string: %s\n", (char *) where);
+  abort ();
 }
 
-static void curtainSet()
+static void
+curtainSet ()
 {
-    gr_color(0, 0, 0, 255);
-    gr_fill(0, 0, gr_fb_width(), gr_fb_height());
-    gr_blit(gCurtain, 0, 0, gr_get_width(gCurtain), gr_get_height(gCurtain), 0, 0);
-    gr_flip();
-    return;
+  gr_color (0, 0, 0, 255);
+  gr_fill (0, 0, gr_fb_width (), gr_fb_height ());
+  gr_blit (gCurtain, 0, 0, gr_get_width (gCurtain), gr_get_height (gCurtain),
+		   0, 0);
+  gr_flip ();
+  return;
 }
 
-static void curtainRaise(gr_surface surface)
+static void
+curtainRaise (gr_surface surface)
 {
-	int sy = 0;
-    int h = gr_get_height(gCurtain) - 1;
-    int w = gr_get_width(gCurtain);
-    int fy = 1;
+  int sy = 0;
+  int h = gr_get_height (gCurtain) - 1;
+  int w = gr_get_width (gCurtain);
+  int fy = 1;
 
-    int msw = gr_get_width(surface);
-    int msh = gr_get_height(surface);
-	int CURTAIN_RATE = msh / 30;
+  int msw = gr_get_width (surface);
+  int msh = gr_get_height (surface);
+  int CURTAIN_RATE = msh / 30;
 
-    if (gNoAnimation == 0)
-    {
-        for (; h > 0; h -= CURTAIN_RATE, sy += CURTAIN_RATE, fy += CURTAIN_RATE)
-        {
-            gr_blit(surface, 0, 0, msw, msh, 0, 0);
-            gr_blit(gCurtain, 0, sy, w, h, 0, 0);
-            gr_flip();
-        }
-    }
-    gr_blit(surface, 0, 0, msw, msh, 0, 0);
-    flip();
-    return;
+  if (gNoAnimation == 0)
+	{
+	  for (; h > 0; h -= CURTAIN_RATE, sy += CURTAIN_RATE, fy += CURTAIN_RATE)
+		{
+		  gr_blit (surface, 0, 0, msw, msh, 0, 0);
+		  gr_blit (gCurtain, 0, sy, w, h, 0, 0);
+		  gr_flip ();
+		}
+	}
+  gr_blit (surface, 0, 0, msw, msh, 0, 0);
+  flip ();
+  return;
 }
 
-void curtainClose()
+void
+curtainClose ()
 {
 #if 0
-    int w = gr_get_width(gCurtain);
-    int h = 1;
-    int sy = gr_get_height(gCurtain) - 1;
-    int fbh = gr_fb_height();
-	int CURTAIN_RATE = fbh / 30;
+  int w = gr_get_width (gCurtain);
+  int h = 1;
+  int sy = gr_get_height (gCurtain) - 1;
+  int fbh = gr_fb_height ();
+  int CURTAIN_RATE = fbh / 30;
 
-    if (gNoAnimation == 0)
-    {
-        for (; h < fbh; h += CURTAIN_RATE, sy -= CURTAIN_RATE)
-        {
-            gr_blit(gCurtain, 0, sy, w, h, 0, 0);
-            gr_flip();
-        }
-        gr_blit(gCurtain, 0, 0, gr_get_width(gCurtain), gr_get_height(gCurtain), 0, 0);
-        gr_flip();
+  if (gNoAnimation == 0)
+	{
+	  for (; h < fbh; h += CURTAIN_RATE, sy -= CURTAIN_RATE)
+		{
+		  gr_blit (gCurtain, 0, sy, w, h, 0, 0);
+		  gr_flip ();
+		}
+	  gr_blit (gCurtain, 0, 0, gr_get_width (gCurtain),
+			   gr_get_height (gCurtain), 0, 0);
+	  gr_flip ();
 
-        if (gRecorder != -1)
-            close(gRecorder);
+	  if (gRecorder != -1)
+		close (gRecorder);
 
-        int fade;
-        for (fade = 16; fade < 255; fade += CURTAIN_FADE)
-        {
-            gr_blit(gCurtain, 0, 0, gr_get_width(gCurtain), gr_get_height(gCurtain), 0, 0);
-            gr_color(0, 0, 0, fade);
-            gr_fill(0, 0, gr_fb_width(), gr_fb_height());
-            gr_flip();
-        }
-        gr_color(0, 0, 0, 255);
-        gr_fill(0, 0, gr_fb_width(), gr_fb_height());
-        gr_flip();
-    }
-#else
-    gr_blit(gCurtain, 0, 0, gr_get_width(gCurtain), gr_get_height(gCurtain), 0, 0);
-    gr_flip();
-#endif
-    return;
-}
-
-timespec timespec_diff(timespec& start, timespec& end)
-{
-	timespec temp;
-	if ((end.tv_nsec-start.tv_nsec)<0) {
-		temp.tv_sec = end.tv_sec-start.tv_sec-1;
-		temp.tv_nsec = 1000000000+end.tv_nsec-start.tv_nsec;
-	} else {
-		temp.tv_sec = end.tv_sec-start.tv_sec;
-		temp.tv_nsec = end.tv_nsec-start.tv_nsec;
+	  int fade;
+	  for (fade = 16; fade < 255; fade += CURTAIN_FADE)
+		{
+		  gr_blit (gCurtain, 0, 0, gr_get_width (gCurtain),
+				   gr_get_height (gCurtain), 0, 0);
+		  gr_color (0, 0, 0, fade);
+		  gr_fill (0, 0, gr_fb_width (), gr_fb_height ());
+		  gr_flip ();
+		}
+	  gr_color (0, 0, 0, 255);
+	  gr_fill (0, 0, gr_fb_width (), gr_fb_height ());
+	  gr_flip ();
 	}
-	return temp;
+#else
+  gr_blit (gCurtain, 0, 0, gr_get_width (gCurtain), gr_get_height (gCurtain),
+		   0, 0);
+  gr_flip ();
+#endif
+  return;
 }
 
-static void *input_thread(void *cookie)
+static void *
+input_thread (void *cookie)
 {
-    int drag = 0;
-	static int touch_and_hold = 0, dontwait = 0, touch_repeat = 0, x = 0, y = 0, lshift = 0, rshift = 0, key_repeat = 0;
-	static struct timeval touchStart;
-	HardwareKeyboard kb;
+  int drag = 0;
+  static int touch_and_hold = 0, dontwait = 0, touch_repeat = 0, x = 0, y =
+	0, lshift = 0, rshift = 0, key_repeat = 0;
+  static struct timeval touchStart;
+  HardwareKeyboard kb;
 
-    for (;;) {
+  //start screen timeout threads
+  blankTimer.setTimerThread();
 
-        // wait for the next event
-        struct input_event ev;
-        int state = 0, ret = 0;
+  for (;;)
+	{
 
-		ret = ev_get(&ev, dontwait);
+	  // wait for the next event
+	  struct input_event ev;
+	  int state = 0, ret = 0;
 
-		if (ret < 0) {
-			struct timeval curTime;
-			gettimeofday(&curTime, NULL);
-			long mtime, seconds, useconds;
+	  ret = ev_get (&ev, dontwait);
 
-			seconds  = curTime.tv_sec  - touchStart.tv_sec;
-			useconds = curTime.tv_usec - touchStart.tv_usec;
+	  if (ret < 0)
+		{
+		  struct timeval curTime;
+		  gettimeofday (&curTime, NULL);
+		  long mtime, seconds, useconds;
 
-			mtime = ((seconds) * 1000 + useconds/1000.0) + 0.5;
-			if (touch_and_hold && mtime > 500) {
-				touch_and_hold = 0;
-				touch_repeat = 1;
-				gettimeofday(&touchStart, NULL);
+		  seconds = curTime.tv_sec - touchStart.tv_sec;
+		  useconds = curTime.tv_usec - touchStart.tv_usec;
+
+		  mtime = ((seconds) * 1000 + useconds / 1000.0) + 0.5;
+		  if (touch_and_hold && mtime > 500)
+			{
+			  touch_and_hold = 0;
+			  touch_repeat = 1;
+			  gettimeofday (&touchStart, NULL);
 #ifdef _EVENT_LOGGING
-                LOGE("TOUCH_HOLD: %d,%d\n", x, y);
+			  LOGE ("TOUCH_HOLD: %d,%d\n", x, y);
 #endif
-				PageManager::NotifyTouch(TOUCH_HOLD, x, y);
-			} else if (touch_repeat && mtime > 100) {
-#ifdef _EVENT_LOGGING
-                LOGE("TOUCH_REPEAT: %d,%d\n", x, y);
-#endif
-				gettimeofday(&touchStart, NULL);
-				PageManager::NotifyTouch(TOUCH_REPEAT, x, y);
-			} else if (key_repeat == 1 && mtime > 500) {
-#ifdef _EVENT_LOGGING
-                LOGE("KEY_HOLD: %d,%d\n", x, y);
-#endif
-				gettimeofday(&touchStart, NULL);
-				key_repeat = 2;
-				kb.KeyRepeat();
-			} else if (key_repeat == 2 && mtime > 100) {
-#ifdef _EVENT_LOGGING
-                LOGE("KEY_REPEAT: %d,%d\n", x, y);
-#endif
-				gettimeofday(&touchStart, NULL);
-				kb.KeyRepeat();
+			  PageManager::NotifyTouch (TOUCH_HOLD, x, y);
+                          blankTimer.resetTimerAndUnblank();
 			}
-		} else if (ev.type == EV_ABS) {
+		  else if (touch_repeat && mtime > 100)
+			{
+#ifdef _EVENT_LOGGING
+			  LOGE ("TOUCH_REPEAT: %d,%d\n", x, y);
+#endif
+			  gettimeofday (&touchStart, NULL);
+			  PageManager::NotifyTouch (TOUCH_REPEAT, x, y);
+                          blankTimer.resetTimerAndUnblank();
+			}
+		  else if (key_repeat == 1 && mtime > 500)
+			{
+#ifdef _EVENT_LOGGING
+			  LOGE ("KEY_HOLD: %d,%d\n", x, y);
+#endif
+			  gettimeofday (&touchStart, NULL);
+			  key_repeat = 2;
+			  kb.KeyRepeat ();
+                          blankTimer.resetTimerAndUnblank();
+			}
+		  else if (key_repeat == 2 && mtime > 100)
+			{
+#ifdef _EVENT_LOGGING
+			  LOGE ("KEY_REPEAT: %d,%d\n", x, y);
+#endif
+			  gettimeofday (&touchStart, NULL);
+			  kb.KeyRepeat ();
+                          blankTimer.resetTimerAndUnblank();
+			}
+		}
+	  else if (ev.type == EV_ABS)
+		{
 
-            x = ev.value >> 16;
-            y = ev.value & 0xFFFF;
+		  x = ev.value >> 16;
+		  y = ev.value & 0xFFFF;
 
-            if (ev.code == 0)
-            {
-                if (state == 0)
-                {
+		  if (ev.code == 0)
+			{
+			  if (state == 0)
+				{
 #ifdef _EVENT_LOGGING
-                    LOGE("TOUCH_RELEASE: %d,%d\n", x, y);
+				  LOGE ("TOUCH_RELEASE: %d,%d\n", x, y);
 #endif
-                    PageManager::NotifyTouch(TOUCH_RELEASE, x, y);
-					touch_and_hold = 0;
-					touch_repeat = 0;
-					if (!key_repeat)
-						dontwait = 0;
-                }
-                state = 0;
-                drag = 0;
-            }
-            else
-            {
-                if (!drag)
-                {
-#ifdef _EVENT_LOGGING
-                    LOGE("TOUCH_START: %d,%d\n", x, y);
-#endif
-                    if (PageManager::NotifyTouch(TOUCH_START, x, y) > 0)
-                        state = 1;
-                    drag = 1;
-					touch_and_hold = 1;
-					dontwait = 1;
-					key_repeat = 0;
-					gettimeofday(&touchStart, NULL);
-                }
-                else
-                {
-                    if (state == 0)
-                    {
-#ifdef _EVENT_LOGGING
-                        LOGE("TOUCH_DRAG: %d,%d\n", x, y);
-#endif
-                        if (PageManager::NotifyTouch(TOUCH_DRAG, x, y) > 0)
-                            state = 1;
-						key_repeat = 0;
-                    }
-                }
-            }
-        }
-        else if (ev.type == EV_KEY)
-        {
-            // Handle key-press here
-#ifdef _EVENT_LOGGING
-            LOGE("TOUCH_KEY: %d\n", ev.code);
-#endif
-			if (ev.value != 0) {
-				// This is a key press
-				if (kb.KeyDown(ev.code)) {
-					key_repeat = 1;
-					touch_and_hold = 0;
-					touch_repeat = 0;
-					dontwait = 1;
-					gettimeofday(&touchStart, NULL);
-				} else {
-					key_repeat = 0;
-					touch_and_hold = 0;
-					touch_repeat = 0;
+				  PageManager::NotifyTouch (TOUCH_RELEASE, x, y);
+				  blankTimer.resetTimerAndUnblank();
+				  touch_and_hold = 0;
+				  touch_repeat = 0;
+				  if (!key_repeat)
 					dontwait = 0;
 				}
-			} else {
-				// This is a key release
-				kb.KeyUp(ev.code);
-				key_repeat = 0;
-				touch_and_hold = 0;
-				touch_repeat = 0;
-				dontwait = 0;
+			  state = 0;
+			  drag = 0;
 			}
-        }
-    }
-    return NULL;
+		  else
+			{
+			  if (!drag)
+				{
+#ifdef _EVENT_LOGGING
+				  LOGE ("TOUCH_START: %d,%d\n", x, y);
+#endif
+				  if (PageManager::NotifyTouch (TOUCH_START, x, y) > 0)
+					state = 1;
+				  drag = 1;
+				  touch_and_hold = 1;
+				  dontwait = 1;
+				  key_repeat = 0;
+				  gettimeofday (&touchStart, NULL);
+				  blankTimer.resetTimerAndUnblank();
+				}
+			  else
+				{
+				  if (state == 0)
+					{
+#ifdef _EVENT_LOGGING
+					  LOGE ("TOUCH_DRAG: %d,%d\n", x, y);
+#endif
+					  if (PageManager::NotifyTouch (TOUCH_DRAG, x, y) > 0)
+						state = 1;
+					  key_repeat = 0;
+					  blankTimer.resetTimerAndUnblank();
+					}
+				}
+			}
+		}
+	  else if (ev.type == EV_KEY)
+		{
+		  // Handle key-press here
+#ifdef _EVENT_LOGGING
+		  LOGE ("TOUCH_KEY: %d\n", ev.code);
+#endif
+		  if (ev.value != 0)
+			{
+			  // This is a key press
+			  if (kb.KeyDown (ev.code))
+				{
+				  key_repeat = 1;
+				  touch_and_hold = 0;
+				  touch_repeat = 0;
+				  dontwait = 1;
+				  gettimeofday (&touchStart, NULL);
+				  blankTimer.resetTimerAndUnblank();
+				}
+			  else
+				{
+				  key_repeat = 0;
+				  touch_and_hold = 0;
+				  touch_repeat = 0;
+				  dontwait = 0;
+				  blankTimer.resetTimerAndUnblank();
+				}
+			}
+		  else
+			{
+			  // This is a key release
+			  kb.KeyUp (ev.code);
+			  key_repeat = 0;
+			  touch_and_hold = 0;
+			  touch_repeat = 0;
+			  dontwait = 0;
+                          blankTimer.resetTimerAndUnblank();
+			}
+		}
+	}
+  return NULL;
 }
 
 // This special function will return immediately the first time, but then
 // always returns 1/30th of a second (or immediately if called later) from
 // the last time it was called
-static void loopTimer(void)
+static void
+loopTimer (void)
 {
-    static timespec lastCall;
-    static int initialized = 0;
+  static timespec lastCall;
+  static int initialized = 0;
 
-    if (!initialized)
-    {
-        clock_gettime(CLOCK_MONOTONIC, &lastCall);
-        initialized = 1;
-        return;
-    }
-
-    do
-    {
-        timespec curTime;
-        clock_gettime(CLOCK_MONOTONIC, &curTime);
-
-        timespec diff = timespec_diff(lastCall, curTime);
-
-        // This is really 30 times per second
-        if (diff.tv_sec || diff.tv_nsec > 33333333)
-        {
-            lastCall = curTime;
-            return;
-        }
-
-        // We need to sleep some period time microseconds
-        unsigned int sleepTime = 33333 - (diff.tv_nsec / 1000);
-        usleep(sleepTime);
-    } while(1);
-    return;
-}
-
-static int runPages(void)
-{
-    // Raise the curtain
-    if (gCurtain != NULL)
-    {
-        gr_surface surface;
-
-        PageManager::Render();
-        gr_get_surface(&surface);
-        curtainRaise(surface);
-        gr_free_surface(surface);
-    }
-
-    gGuiRunning = 1;
-
-    DataManager::SetValue("tw_loaded", 1);
-
-    for (;;)
-    {
-        loopTimer();
-
-        if (!gForceRender)
-        {
-            int ret;
-
-            ret = PageManager::Update();
-            if (ret > 1)
-                PageManager::Render();
-
-            if (ret > 0)
-                flip();
-        }
-        else
-        {
-            gForceRender = 0;
-            PageManager::Render();
-            flip();
-        }
-    }
-
-    gGuiRunning = 0;
-    return 0;
-}
-
-static int runPage(const char* page_name)
-{
-    gui_changePage(page_name);
-
-	// Raise the curtain
-    if (gCurtain != NULL)
-    {
-        gr_surface surface;
-
-        PageManager::Render();
-        gr_get_surface(&surface);
-        curtainRaise(surface);
-        gr_free_surface(surface);
-    }
-
-    gGuiRunning = 1;
-
-    DataManager::SetValue("tw_loaded", 1);
-
-    for (;;)
-    {
-        loopTimer();
-
-        if (!gForceRender)
-        {
-            int ret;
-
-            ret = PageManager::Update();
-            if (ret > 1)
-                PageManager::Render();
-
-            if (ret > 0)
-                flip();
-        }
-        else
-        {
-            gForceRender = 0;
-            PageManager::Render();
-            flip();
-        }
-		if (DataManager::GetIntValue("tw_page_done") != 0) {
-			gui_changePage("main");
-			break;
-		}
-    }
-
-    gGuiRunning = 0;
-    return 0;
-}
-
-int gui_forceRender(void)
-{
-    gForceRender = 1;
-    return 0;
-}
-
-int gui_changePage(std::string newPage)
-{
-    LOGI("Set page: '%s'\n", newPage.c_str());
-    PageManager::ChangePage(newPage);
-    gForceRender = 1;
-    return 0;
-}
-
-int gui_changeOverlay(std::string overlay)
-{
-    PageManager::ChangeOverlay(overlay);
-    gForceRender = 1;
-    return 0;
-}
-
-int gui_changePackage(std::string newPackage)
-{
-    PageManager::SelectPackage(newPackage);
-    gForceRender = 1;
-    return 0;
-}
-
-std::string gui_parse_text(string inText)
-{
-	// Copied from std::string GUIText::parseText(void)
-	// This function parses text for DataManager values encompassed by %value% in the XML
-	static int counter = 0;
-    std::string str = inText;
-    size_t pos = 0;
-    size_t next = 0, end = 0;
-
-    while (1)
-    {
-        next = str.find('%', pos);
-        if (next == std::string::npos)      return str;
-        end = str.find('%', next + 1);
-        if (end == std::string::npos)       return str;
-
-        // We have a block of data
-        std::string var = str.substr(next + 1, (end - next) - 1);
-        str.erase(next, (end - next) + 1);
-
-        if (next + 1 == end)
-        {
-            str.insert(next, 1, '%');
-        }
-        else
-        {
-            std::string value;
-            if (DataManager::GetValue(var, value) == 0)
-                str.insert(next, value);
-        }
-
-        pos = next + 1;
-    }
-}
-
-extern "C" int gui_init()
-{
-    int fd;
-
-	gr_init();
-
-	if (res_create_surface("/res/images/curtain.jpg", &gCurtain))
+  if (!initialized)
 	{
-		printf("Unable to locate '/res/images/curtain.jpg'\nDid you set a DEVICE_RESOLUTION in your config files?\n");
-		return -1;
+	  clock_gettime (CLOCK_MONOTONIC, &lastCall);
+	  initialized = 1;
+	  return;
 	}
 
-	curtainSet();
+  do
+	{
+	  timespec curTime;
+	  clock_gettime (CLOCK_MONOTONIC, &curTime);
 
-	ev_init();
-    return 0;
+	  timespec diff = TWFunc::timespec_diff (lastCall, curTime);
+
+	  // This is really 30 times per second
+	  if (diff.tv_sec || diff.tv_nsec > 33333333)
+		{
+		  lastCall = curTime;
+		  return;
+		}
+
+	  // We need to sleep some period time microseconds
+	  unsigned int sleepTime = 33333 - (diff.tv_nsec / 1000);
+	  usleep (sleepTime);
+	}
+  while (1);
+  return;
 }
 
-extern "C" int gui_loadResources()
+static int
+runPages (void)
+{
+  // Raise the curtain
+  if (gCurtain != NULL)
+	{
+	  gr_surface surface;
+
+	  PageManager::Render ();
+	  gr_get_surface (&surface);
+	  curtainRaise (surface);
+	  gr_free_surface (surface);
+	}
+
+  gGuiRunning = 1;
+
+  DataManager::SetValue ("tw_loaded", 1);
+
+  for (;;)
+	{
+	  loopTimer ();
+
+	  if (!gForceRender)
+		{
+		  int ret;
+
+		  ret = PageManager::Update ();
+		  if (ret > 1)
+			PageManager::Render ();
+
+		  if (ret > 0)
+			flip ();
+		}
+	  else
+		{
+		  pthread_mutex_lock(&gForceRendermutex);
+		  gForceRender = 0;
+		  pthread_mutex_unlock(&gForceRendermutex);
+		  PageManager::Render ();
+		  flip ();
+		}
+	}
+
+  gGuiRunning = 0;
+  return 0;
+}
+
+static int
+runPage (const char *page_name)
+{
+  gui_changePage (page_name);
+
+  // Raise the curtain
+  if (gCurtain != NULL)
+	{
+	  gr_surface surface;
+
+	  PageManager::Render ();
+	  gr_get_surface (&surface);
+	  curtainRaise (surface);
+	  gr_free_surface (surface);
+	}
+
+  gGuiRunning = 1;
+
+  DataManager::SetValue ("tw_loaded", 1);
+
+  for (;;)
+	{
+	  loopTimer ();
+
+	  if (!gForceRender)
+		{
+		  int ret;
+
+		  ret = PageManager::Update ();
+		  if (ret > 1)
+			PageManager::Render ();
+
+		  if (ret > 0)
+			flip ();
+		}
+	  else
+		{
+		  pthread_mutex_lock(&gForceRendermutex);
+		  gForceRender = 0;
+		  pthread_mutex_unlock(&gForceRendermutex);
+		  PageManager::Render ();
+		  flip ();
+		}
+	  if (DataManager::GetIntValue ("tw_page_done") != 0)
+		{
+		  gui_changePage ("main");
+		  break;
+		}
+	}
+
+  gGuiRunning = 0;
+  return 0;
+}
+
+int
+gui_forceRender (void)
+{
+  pthread_mutex_lock(&gForceRendermutex);
+  gForceRender = 1;
+  pthread_mutex_unlock(&gForceRendermutex);
+  return 0;
+}
+
+int
+gui_changePage (std::string newPage)
+{
+  LOGI ("Set page: '%s'\n", newPage.c_str ());
+  PageManager::ChangePage (newPage);
+  pthread_mutex_lock(&gForceRendermutex);
+  gForceRender = 1;
+  pthread_mutex_unlock(&gForceRendermutex);
+  return 0;
+}
+
+int
+gui_changeOverlay (std::string overlay)
+{
+  PageManager::ChangeOverlay (overlay);
+  pthread_mutex_lock(&gForceRendermutex);
+  gForceRender = 1;
+  pthread_mutex_unlock(&gForceRendermutex);
+  return 0;
+}
+
+int
+gui_changePackage (std::string newPackage)
+{
+  PageManager::SelectPackage (newPackage);
+  pthread_mutex_lock(&gForceRendermutex);
+  gForceRender = 1;
+  pthread_mutex_unlock(&gForceRendermutex);
+  return 0;
+}
+
+std::string gui_parse_text (string inText)
+{
+  // Copied from std::string GUIText::parseText(void)
+  // This function parses text for DataManager values encompassed by %value% in the XML
+  static int counter = 0;
+  std::string str = inText;
+  size_t pos = 0;
+  size_t next = 0, end = 0;
+
+  while (1)
+	{
+	  next = str.find ('%', pos);
+	  if (next == std::string::npos)
+		return str;
+	  end = str.find ('%', next + 1);
+	  if (end == std::string::npos)
+		return str;
+
+	  // We have a block of data
+	  std::string var = str.substr (next + 1, (end - next) - 1);
+	  str.erase (next, (end - next) + 1);
+
+	  if (next + 1 == end)
+		{
+		  str.insert (next, 1, '%');
+		}
+	  else
+		{
+		  std::string value;
+		  if (DataManager::GetValue (var, value) == 0)
+			str.insert (next, value);
+		}
+
+	  pos = next + 1;
+	}
+}
+
+extern "C" int
+gui_init ()
+{
+  int fd;
+
+  gr_init ();
+
+  if (res_create_surface ("/res/images/curtain.jpg", &gCurtain))
+	{
+	  printf
+		("Unable to locate '/res/images/curtain.jpg'\nDid you set a DEVICE_RESOLUTION in your config files?\n");
+	  return -1;
+	}
+
+  curtainSet ();
+
+  ev_init ();
+  return 0;
+}
+
+extern "C" int
+gui_loadResources ()
 {
 //    unlink("/sdcard/video.last");
 //    rename("/sdcard/video.bin", "/sdcard/video.last");
 //    gRecorder = open("/sdcard/video.bin", O_CREAT | O_WRONLY);
 
-	int check = 0;
-	DataManager::GetValue(TW_IS_ENCRYPTED, check);
-	if (check) {
-		if (PageManager::LoadPackage("TWRP", "/res/ui.xml", "decrypt"))
+  int check = 0;
+  DataManager::GetValue (TW_IS_ENCRYPTED, check);
+  if (check)
+	{
+	  if (PageManager::LoadPackage ("TWRP", "/res/ui.xml", "decrypt"))
 		{
-			LOGE("Failed to load base packages.\n");
-			goto error;
-		} else
-			check = 1;
-	}
-	if (check == 0 && PageManager::LoadPackage("TWRP", "/script/ui.xml", "main")) {
-		std::string theme_path;
-
-		theme_path = DataManager::GetSettingsStoragePath();
-		if (!PartitionManager.Mount_Settings_Storage(false)) {
-			int retry_count = 5;
-			while (retry_count > 0 && !PartitionManager.Mount_Settings_Storage(false)) {
-				usleep(500000);
-				retry_count--;
-			}
-			if (!PartitionManager.Mount_Settings_Storage(false)) {
-				LOGE("Unable to mount %s during GUI startup.\n", theme_path.c_str());
-				check = 1;
-			}
+		  LOGE ("Failed to load base packages.\n");
+		  goto error;
 		}
+	  else
+		check = 1;
+	}
+  if (check == 0
+	  && PageManager::LoadPackage ("TWRP", "/script/ui.xml", "main"))
+	{
+	  std::string theme_path;
 
-		theme_path += "/TWRP/theme/ui.zip";
-		if (check || PageManager::LoadPackage("TWRP", theme_path, "main"))
+	  theme_path = DataManager::GetSettingsStoragePath ();
+	  if (!PartitionManager.Mount_Settings_Storage (false))
 		{
-			if (PageManager::LoadPackage("TWRP", "/res/ui.xml", "main"))
+		  int retry_count = 5;
+		  while (retry_count > 0
+				 && !PartitionManager.Mount_Settings_Storage (false))
 			{
-				LOGE("Failed to load base packages.\n");
-				goto error;
+			  usleep (500000);
+			  retry_count--;
+			}
+		  if (!PartitionManager.Mount_Settings_Storage (false))
+			{
+			  LOGE ("Unable to mount %s during GUI startup.\n",
+					theme_path.c_str ());
+			  check = 1;
+			}
+		}
+
+	  theme_path += "/TWRP/theme/ui.zip";
+	  if (check || PageManager::LoadPackage ("TWRP", theme_path, "main"))
+		{
+		  if (PageManager::LoadPackage ("TWRP", "/res/ui.xml", "main"))
+			{
+			  LOGE ("Failed to load base packages.\n");
+			  goto error;
 			}
 		}
 	}
 
-    // Set the default package
-    PageManager::SelectPackage("TWRP");
+  // Set the default package
+  PageManager::SelectPackage ("TWRP");
 
-    gGuiInitialized = 1;
-    return 0;
+  gGuiInitialized = 1;
+  return 0;
 
 error:
-    LOGE("An internal error has occurred.\n");
-    gGuiInitialized = 0;
-    return -1;
+  LOGE ("An internal error has occurred.\n");
+  gGuiInitialized = 0;
+  return -1;
 }
 
-extern "C" int gui_start()
+extern "C" int
+gui_start ()
 {
-    if (!gGuiInitialized)   return -1;
+  if (!gGuiInitialized)
+	return -1;
 
-    gGuiConsoleTerminate = 1;
-    while (gGuiConsoleRunning)  loopTimer();
+  gGuiConsoleTerminate = 1;
+  while (gGuiConsoleRunning)
+	loopTimer ();
 
-    // Set the default package
-    PageManager::SelectPackage("TWRP");
+  // Set the default package
+  PageManager::SelectPackage ("TWRP");
 
-    if (!gGuiInputRunning) {
-		// Start by spinning off an input handler.
-		pthread_t t;
-		pthread_create(&t, NULL, input_thread, NULL);
-		gGuiInputRunning = 1;
+  if (!gGuiInputRunning)
+	{
+	  // Start by spinning off an input handler.
+	  pthread_t t;
+	  pthread_create (&t, NULL, input_thread, NULL);
+	  gGuiInputRunning = 1;
 	}
 
-    return runPages();
+  return runPages ();
 }
 
-extern "C" int gui_startPage(const char* page_name)
+extern "C" int
+gui_startPage (const char *page_name)
 {
-    if (!gGuiInitialized)   return -1;
+  if (!gGuiInitialized)
+	return -1;
 
-    gGuiConsoleTerminate = 1;
-    while (gGuiConsoleRunning)  loopTimer();
+  gGuiConsoleTerminate = 1;
+  while (gGuiConsoleRunning)
+	loopTimer ();
 
-    // Set the default package
-    PageManager::SelectPackage("TWRP");
+  // Set the default package
+  PageManager::SelectPackage ("TWRP");
 
-    if (!gGuiInputRunning) {
-		// Start by spinning off an input handler.
-		pthread_t t;
-		pthread_create(&t, NULL, input_thread, NULL);
-		gGuiInputRunning = 1;
+  if (!gGuiInputRunning)
+	{
+	  // Start by spinning off an input handler.
+	  pthread_t t;
+	  pthread_create (&t, NULL, input_thread, NULL);
+	  gGuiInputRunning = 1;
 	}
 
-	DataManager::SetValue("tw_page_done", 0);
-    return runPage(page_name);
+  DataManager::SetValue ("tw_page_done", 0);
+  return runPage (page_name);
 }
 
-static void *console_thread(void *cookie)
+static void *
+console_thread (void *cookie)
 {
-    PageManager::SwitchToConsole();
+  PageManager::SwitchToConsole ();
 
-    while (!gGuiConsoleTerminate)
-    {
-        loopTimer();
+  while (!gGuiConsoleTerminate)
+	{
+	  loopTimer ();
 
-        if (!gForceRender)
-        {
-            int ret;
+	  if (!gForceRender)
+		{
+		  int ret;
 
-            ret = PageManager::Update();
-            if (ret > 1)
-                PageManager::Render();
+		  ret = PageManager::Update ();
+		  if (ret > 1)
+			PageManager::Render ();
 
-            if (ret > 0)
-                flip();
+		  if (ret > 0)
+			flip ();
 
-            if (ret < 0)
-                LOGE("An update request has failed.\n");
-        }
-        else
-        {
-            gForceRender = 0;
-            PageManager::Render();
-            flip();
-        }
-    }
-    gGuiConsoleRunning = 0;
-    return NULL;
+		  if (ret < 0)
+			LOGE ("An update request has failed.\n");
+		}
+	  else
+		{
+		  pthread_mutex_lock(&gForceRendermutex);
+		  gForceRender = 0;
+		  pthread_mutex_unlock(&gForceRendermutex);
+		  PageManager::Render ();
+		  flip ();
+		}
+	}
+  gGuiConsoleRunning = 0;
+  return NULL;
 }
 
-extern "C" int gui_console_only()
+extern "C" int
+gui_console_only ()
 {
-    if (!gGuiInitialized)   return -1;
+  if (!gGuiInitialized)
+	return -1;
 
-    gGuiConsoleTerminate = 0;
-    gGuiConsoleRunning = 1;
+  gGuiConsoleTerminate = 0;
+  gGuiConsoleRunning = 1;
 
-    // Start by spinning off an input handler.
-    pthread_t t;
-    pthread_create(&t, NULL, console_thread, NULL);
+  // Start by spinning off an input handler.
+  pthread_t t;
+  pthread_create (&t, NULL, console_thread, NULL);
 
-    return 0;
+  return 0;
 }