diff --git a/MainWindow.cs b/MainWindow.cs
--- a/MainWindow.cs
+++ b/MainWindow.cs
@@ -1,813 +1,821 @@
-/*
- * Copyright (c) 2010, Tess Snider
-
- Permission is hereby granted, free of charge, to any person obtaining a copy
- of this software and associated documentation files (the "Software"), to deal
- in the Software without restriction, including without limitation the rights
- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- copies of the Software, and to permit persons to whom the Software is
- furnished to do so, subject to the following conditions:
-
- The above copyright notice and this permission notice shall be included in
- all copies or substantial portions of the Software.
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- THE SOFTWARE.
-*/
-
-using System;
-using System.IO;
-using System.Collections.Generic;
-using Gtk;
-using DesertPaintLab;
-
-public partial class MainWindow : Gtk.Window
-{
-	const int colorTolerance = 2;
-
-	int swatchHeight = 24;
-	int colorBarWidth = 306;
-	int redBarSpacing = 32;
-	int greenBarSpacing = 42;
-	int blueBarSpacing = 52;
-
-
-	bool unsavedData = false;
-	bool shouldShutDown = false;
-	string appDataPath;
-	List<string> profileList = new List<string>();
-	PlayerProfile profile = null;
-	PaintColor expectedColor = new PaintColor();
-	PaintColor reactedColor = new PaintColor();
-	
-	int screenWidth = 0;
-	int screenHeight = 0;
-	int pixelMultiplier = 1;
-
-	Gdk.Window rootWindow = null;
-	Gdk.Pixbuf screenBuffer = null;
-
-	Reagent reagent1 = null;
-	Reagent reagent2 = null;
-	Reagent reagent3 = null;
-
-	
-	public bool ShouldShutDown
-	{
-		get
-		{
-			return shouldShutDown;	
-		}
-	}
-	
-	
-	public MainWindow () : base(Gtk.WindowType.Toplevel)
-	{
-		appDataPath = System.IO.Path.Combine(
-			Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
-		    "DesertPaintLab");
-		
-		if (!System.IO.Directory.Exists(appDataPath))
-		{
-			System.IO.Directory.CreateDirectory(appDataPath);	
-		}
-		
-		DirectoryInfo di = new DirectoryInfo(appDataPath);
-		DirectoryInfo[] dirs = di.GetDirectories();
-		foreach (DirectoryInfo dir in dirs)
-		{
-			if (dir.Name != "template")
-			{
-				profileList.Add(dir.Name);
-			}
-		}
-		
-		Palette.Load(System.IO.Path.Combine(
-				System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location),
-		    	"colors.txt"));
-		
-		Build();                      
-		
-		unmodifiedSwatch.Clear();
-		reactionSwatch.Clear();
-
-		// get the root window
-		rootWindow = Gdk.Global.DefaultRootWindow;
-
-		// get its width and height
-		rootWindow.GetSize(out screenWidth, out screenHeight);
-
-		ScreenCheckDialog screenCheckDialog = new ScreenCheckDialog();
-		screenCheckDialog.ScreenWidth = screenWidth;
-		screenCheckDialog.ScreenHeight = screenHeight;
-		screenCheckDialog.GamePixelWidth = pixelMultiplier;
-		ResponseType resp = (ResponseType)screenCheckDialog.Run();
-		screenWidth = screenCheckDialog.ScreenWidth;
-		screenHeight = screenCheckDialog.ScreenHeight;
-		pixelMultiplier = screenCheckDialog.GamePixelWidth;
-		screenCheckDialog.Destroy();
-
-		screenBuffer = new Gdk.Pixbuf(Gdk.Colorspace.Rgb, false, 8, screenWidth, screenHeight);
-	
-		swatchHeight    *= pixelMultiplier;
-		colorBarWidth   *= pixelMultiplier;
-		redBarSpacing   *= pixelMultiplier;
-		greenBarSpacing *= pixelMultiplier;
-		blueBarSpacing  *= pixelMultiplier;
-
-		if (!OpenProfile())
-		{
-			shouldShutDown = true;
-		}
-	}
-
-	bool ConfirmedExit()
-	{
-		if (unsavedData)
-		{
-			MessageDialog md = new MessageDialog(this, 
-	            DialogFlags.DestroyWithParent,
-	            MessageType.Warning, ButtonsType.OkCancel, 
-	            "Your last reaction was unsaved." +
-	            "Are you sure you want to quit?");
-	   
-			ResponseType resp = (ResponseType)md.Run();			
-			md.Destroy();
-			return (resp == ResponseType.Ok);
-		}
-		return true;
-	}
-	
-	void SetProfileName(string name)
-	{	
-		profile = new PlayerProfile(name,
-		                System.IO.Path.Combine(appDataPath, name));
-		
-		statusBar.Push(0, name);
-	}
-	
-	bool NewProfile()
-	{
-		bool newProfileCreated = false;
-		bool duplicateName = false;
-		NewProfileDialog newProfileDialog = new NewProfileDialog();
-		ResponseType resp = (ResponseType)newProfileDialog.Run();
-		if (resp == ResponseType.Ok)
-		{
-			// Make sure profile doesn't already exist.
-			foreach (string profileName in profileList)
-			{
-				if (profileName == newProfileDialog.ProfileName)
-				{
-					MessageDialog md = new MessageDialog(this, 
-	            		DialogFlags.DestroyWithParent,
-	            		MessageType.Error, ButtonsType.Ok, 
-	            		"That profile name already exists.");
-					resp = (ResponseType)md.Run();			
-					md.Destroy();
-					duplicateName = true;
-					break;	
-				}
-			}
-			
-			if (!duplicateName)
-			{
-				// Set profile name.
-				SetProfileName(newProfileDialog.ProfileName);
-				
-				profile.Initialize();
-						
-				newProfileCreated = true;
-			}
-		}
-		newProfileDialog.Destroy();
-		return newProfileCreated;
-	}
-	
-	bool OpenProfile()
-	{
-		bool profileSelected = false;
-		
-		if (profileList.Count > 0)
-		{
-			SelectProfileDialog selectProfileDialog = new SelectProfileDialog();
-			selectProfileDialog.ProfileList = profileList;
-			ResponseType resp = (ResponseType)selectProfileDialog.Run();
-			selectProfileDialog.Destroy();
-			string selectedProfile = selectProfileDialog.SelectedProfile;
-			if ((resp == ResponseType.Ok) && (selectedProfile.Length > 0)) 
-				// Selected a profile.
-			{
-				SetProfileName(selectedProfile);
-				profileSelected = true;
-			}
-			else if (resp == ResponseType.Accept) // New profile.
-			{
-				profileSelected = NewProfile();
-			}
-		}
-		else
-		{
-			FirstRunDialog firstRunDialog = new FirstRunDialog();
-			ResponseType resp = (ResponseType)firstRunDialog.Run();
-			firstRunDialog.Destroy();
-			if (resp == ResponseType.Ok) // New profile
-			{
-				profileSelected = NewProfile();			
-			}
-			else if (resp == ResponseType.Accept) // Import
-			{
-				FileChooserDialog fileDialog =
-					new FileChooserDialog("Select reactions.txt file.",
-				    this, FileChooserAction.Open,
-					Gtk.Stock.Cancel, ResponseType.Cancel,
-		            Gtk.Stock.Open, ResponseType.Accept);
-				resp = (ResponseType)fileDialog.Run();
-				if (resp == ResponseType.Accept)
-				{
-					string fileName = fileDialog.Filename;
-					string directory = fileDialog.CurrentFolder;
-					if (fileName == "reactions.txt")
-					{
-						profileSelected = NewProfile();
-						if (profileSelected)
-						{
-							profile.Import(directory);
-						}
-					}
-				}
-			}
-		}
-		
-		if (profileSelected)
-		{
-			profile.Load();
-			PopulateDropDowns();
-		}
-
-		return profileSelected;
-	}
-	
-	void PopulateDropDowns()
-	{
-		ReagentManager.PopulateReagents(ref ingredient1ComboBox);
-		ReagentManager.PopulateReagents(ref ingredient2ComboBox);
-		ReagentManager.PopulateReagents(ref ingredient3ComboBox);
-		
-		ingredient2ComboBox.Sensitive = false;		
-		ingredient3ComboBox.Sensitive = false;
-		
-        Gtk.TreeIter iter;
-        ingredient1ComboBox.Model.IterNthChild(out iter, 0);
-        ingredient1ComboBox.SetActiveIter(iter);
-		ingredient2ComboBox.Model.IterNthChild(out iter, 0);
-        ingredient2ComboBox.SetActiveIter(iter);
-		ingredient3ComboBox.Model.IterNthChild(out iter, 0);
-        ingredient3ComboBox.SetActiveIter(iter);
-	}
-	
-	protected void SetExpectedColor(byte red, byte green, byte blue)
-	{
-		expectedColor.Red = red;
-		expectedColor.Green = green;
-		expectedColor.Blue = blue;
-		unmodifiedSwatch.Color = expectedColor;
-	}
-	
-	protected void SetExpectedColor(PaintColor color)
-	{
-		SetExpectedColor(color.Red, color.Green, color.Blue);		
-	}
-	
-	protected void UpdateIngredients()
-	{
-		Reaction reaction1, reaction2;
-		TreeIter selectIter;
-		string reagentName;
-		reagent1 = null;
-		reagent2 = null;
-		reagent3 = null;
-		
-		int expRedSum = 0;
-		int expGreenSum = 0;
-		int expBlueSum = 0;
-		
-		int reactRedSum = 0;
-		int reactGreenSum = 0;
-		int reactBlueSum = 0;
-		
-		bool reactionKnown = true;
-		
-		int pigmentCount = 0;
-		
-		saveButton.Sensitive = false;
-		
-		if (ingredient1ComboBox.GetActiveIter(out selectIter))
-		{
-			reagentName = (string)ingredient1ComboBox.Model.GetValue(selectIter, 0);
-			if ((reagentName == null) || (reagentName.Length == 0))
-			{
-				ingredient2ComboBox.Sensitive = false;
-				ingredient3ComboBox.Sensitive = false;
-				unmodifiedSwatch.Clear();
-				captureButton.Sensitive = false;
-			}
-			else
-			{
-				reagent1 = ReagentManager.GetReagent(reagentName);
-				ingredient2ComboBox.Sensitive = true;
-				if (!reagent1.IsCatalyst)
-				{
-					expRedSum = reagent1.Color.Red;
-					expGreenSum = reagent1.Color.Green;
-					expBlueSum = reagent1.Color.Blue;
-					pigmentCount = 1;
-				}
-				if (ingredient2ComboBox.GetActiveIter(out selectIter))
-				{
-					reagentName = (string)ingredient2ComboBox.Model.GetValue(selectIter, 0);
-					if ((reagentName == null) || (reagentName.Length == 0))
-					{
-						ingredient3ComboBox.Sensitive = false;
-						saveButton.Sensitive = false;
-						reactionKnown = false;
-					}
-					else
-					{
-						reagent2 = ReagentManager.GetReagent(reagentName);
-						ingredient3ComboBox.Sensitive = true;
-						captureButton.Sensitive = true;
-						if (!reagent2.IsCatalyst)
-						{
-							expRedSum += reagent2.Color.Red;
-							expGreenSum += reagent2.Color.Green;
-							expBlueSum += reagent2.Color.Blue;
-							pigmentCount++;
-						}
-						
-						reaction1 = profile.FindReaction(reagent1, reagent2);							
-						
-						if (reaction1 != null)
-						{
-							ingredient3ComboBox.Sensitive = true;
-							reactRedSum = reaction1.Red;
-							reactGreenSum = reaction1.Green;
-							reactBlueSum = reaction1.Blue;;	
-						}
-						else
-						{
-							reactionKnown = false;
-							ingredient3ComboBox.Sensitive = false;
-						}
-						
-						if (ingredient3ComboBox.GetActiveIter(out selectIter))
-						{
-							reagentName = (string)ingredient3ComboBox.Model.GetValue(selectIter, 0);
-							if ((reagentName != null) && (reagentName.Length != 0))
-							{
-								reagent3 = ReagentManager.GetReagent(reagentName);
-						
-								if (!reactionKnown)
-								{
-									MessageDialog md = new MessageDialog(this, 
-	            						DialogFlags.DestroyWithParent,
-	            						MessageType.Error, ButtonsType.Ok, 
-	            						"To do a three-ingredient reaction test, " +
-									    "you must first recored the reaction of " +
-									    "the first two ingredients.");
-	   
-									md.Run();			
-									md.Destroy();
-									captureButton.Sensitive = false;
-								}
-								
-								if (!reagent3.IsCatalyst)
-								{
-									expRedSum += reagent3.Color.Red;
-									expGreenSum += reagent3.Color.Green;
-									expBlueSum += reagent3.Color.Blue;
-									pigmentCount++;
-								}
-								
-								reaction1 = profile.FindReaction(reagent1, reagent3);
-								reaction2 = profile.FindReaction(reagent2, reagent3);
-								
-								if (reactionKnown && (reaction1 == null) && (reaction2 == null))
-								{
-									MessageDialog md = new MessageDialog(this, 
-	            						DialogFlags.DestroyWithParent,
-	            						MessageType.Error, ButtonsType.Ok, 
-	            						"To do a three-ingredient reaction test, " +
-									    "you must first record the reaction of " +
-									    "either the first or second ingredient " +
-									    "with the third ingredient.");
-	   
-									md.Run();			
-									md.Destroy();	
-									captureButton.Sensitive = false;
-								}
-								
-								if (reaction1 != null)
-								{
-									reactRedSum += reaction1.Red;
-									reactGreenSum += reaction1.Green;
-									reactBlueSum += reaction1.Blue;
-								}
-								else
-								{
-									reactionKnown = false;	
-								}
-
-								if (reaction2 != null)
-								{
-									reactRedSum += reaction2.Red;
-									reactGreenSum += reaction2.Green;
-									reactBlueSum += reaction2.Blue;
-								}
-								else
-								{
-									reactionKnown = false;	
-								}
-							}
-						}
-					}
-				}
-				SetExpectedColor((byte)Math.Round((float)expRedSum / (float)pigmentCount),
-					(byte)Math.Round((float)expGreenSum / (float)pigmentCount),
-					(byte)Math.Round((float)expBlueSum / (float)pigmentCount));
-				
-				if (reactionKnown)
-				{
-					reactedColor.Red = (byte)Math.Min(255, Math.Max(0, expectedColor.Red + reactRedSum));
-					reactedColor.Green = (byte)Math.Min(255, Math.Max(0, expectedColor.Green + reactGreenSum));
-					reactedColor.Blue = (byte)Math.Min(255, Math.Max(0, expectedColor.Blue + reactBlueSum));
-					reactionSwatch.Color = reactedColor;
-				}
-				else
-				{
-					reactionSwatch.Clear();	
-				}
-			}
-		}		
-	}							
-	
-	protected void OnDeleteEvent(object sender, DeleteEventArgs a)
-	{
-		if (ConfirmedExit())
-		{
-			a.RetVal = true;
-			Application.Quit();
-		}
-		else
-		{
-			a.RetVal = false;
-		}
-	}
-	
-	bool IsPapyTexture(byte r, byte g, byte b)
-	{
-		return ((r > 0xD0) && (g > 0xC8) && (b > 0xA0)) &&
-				((r < 0xF4) && (g < 0xE0) && (b < 0xC4));
-	}
-	
-	unsafe bool CaptureReactionColor()
-	{
-		// Take a screenshot.
-		byte r, g, b;
-		int pixelStart, otherPixelStart;
-		bool colorMatch;
-		screenBuffer.GetFromDrawable(rootWindow,
-			rootWindow.Colormap, 0, 0, 0, 0, screenWidth, screenHeight);
-		int stride = screenBuffer.Rowstride;
-		byte* pixBytes = (byte*)screenBuffer.Pixels;
-				
-		for (int x = 0; x < screenWidth - colorBarWidth; ++x)
-		{
-			for (int y = 0; y < (screenHeight - 53); ++y)
-			{
-				// Look for the color swatch.
-				pixelStart = (y * stride) + (x * 3);
-				r = pixBytes[pixelStart];
-				g = pixBytes[pixelStart + 1];
-				b = pixBytes[pixelStart + 2];
-				
-				// 1.) Check if this is a dark pixel.
-				if ((r < 0x46) && (g < 0x46) && (b < 0x46))
-				{
-					// 2.) Check the pixel above it,
-					// to see if it's from the papy texture.
-					otherPixelStart = pixelStart - stride;
-					if ((otherPixelStart >= 0) &&
-					    IsPapyTexture(pixBytes[otherPixelStart++],
-					                   pixBytes[otherPixelStart++],
-					                   pixBytes[otherPixelStart]))
-					{
-						// 3.) Check the pixel below where the swatch should be,
-						// to see if it's also from the papy texture.
-						otherPixelStart = pixelStart + (stride * swatchHeight);
-						if (IsPapyTexture(pixBytes[otherPixelStart++],
-					                   pixBytes[otherPixelStart++],
-					                   pixBytes[otherPixelStart]))
-						{
-							// pixBytes[pixelStart] = 0xFF;
-							// pixBytes[pixelStart + 1] = 0x00;
-							// pixBytes[pixelStart + 2] = 0xFF;
-							
-							// 4.) Scan the left border of the potential swatch
-							// location.
-							colorMatch = true;
-							for (int i = 1; i < swatchHeight - 2; ++i)
-							{
-								otherPixelStart = pixelStart + (stride * i);
-								if ((Math.Abs(r - pixBytes[otherPixelStart++]) > colorTolerance) ||
-								    (Math.Abs(g - pixBytes[otherPixelStart++]) > colorTolerance) ||
-								    (Math.Abs(b - pixBytes[otherPixelStart]) > colorTolerance))
-								{
-									colorMatch = false;
-									break;
-								}
-							}
-							
-							if (colorMatch)
-							{
-								// WE FOUND THE SWATCH!
-								// Now we know where the color bars are.
-								otherPixelStart = pixelStart + (redBarSpacing * stride);
-								int pixelCount = 0;
-								while ((pixBytes[otherPixelStart] > 0x9F) &&
-								       (pixBytes[otherPixelStart + 1] < 0x62) &&
-								       (pixBytes[otherPixelStart + 2]  < 0x62))
-								{
-									pixelCount++;
-									// pixBytes[otherPixelStart] = 0x00;
-									// pixBytes[otherPixelStart + 1] = 0xFF;
-									// pixBytes[otherPixelStart + 2] = 0xFF;
-									otherPixelStart += 3;
-								}
-									
-								reactedColor.Red = (byte)Math.Round((float)pixelCount * 255f / (float)colorBarWidth);
-								otherPixelStart = pixelStart + (greenBarSpacing * stride);
-								
-								pixelCount = 0;		
-								while ((pixBytes[otherPixelStart] < 0x62) &&
-								       (pixBytes[otherPixelStart + 1] > 0x9F) &&
-								       (pixBytes[otherPixelStart + 2] < 0x62))
-								{
-									pixelCount++;
-									// pixBytes[otherPixelStart] = 0x00;
-									// pixBytes[otherPixelStart + 1] = 0xFF;
-									// pixBytes[otherPixelStart + 2] = 0xFF;
-									otherPixelStart += 3;
-								}
-
-								reactedColor.Green = (byte)Math.Round((float)pixelCount * 255f / (float)colorBarWidth);
-								otherPixelStart = pixelStart + (blueBarSpacing * stride);
-								
-								pixelCount = 0;
-								while ((pixBytes[otherPixelStart] < 0x62) &&
-									(pixBytes[otherPixelStart + 1] < 0x62) &&
-									(pixBytes[otherPixelStart + 2] > 0x9F))
-								{
-									pixelCount++;
-									// pixBytes[otherPixelStart] = 0x00;
-									// pixBytes[otherPixelStart + 1] = 0xFF;
-									// pixBytes[otherPixelStart + 2] = 0xFF;
-									otherPixelStart += 3;
-								}
-
-								reactedColor.Blue = (byte)Math.Round((float)pixelCount * 255f / (float)colorBarWidth);
-								
-								
-								// screenBuffer.Save("screenshot.png", "png");
-								return true;
-							}
-						}					
-					}
-				}
-			}
-		}
-		// screenBuffer.Save("screenshot.png", "png");
-		
-		return false;
-		
-	}
-	
-	protected virtual void OnCaptureButton(object sender, System.EventArgs e)
-	{
-		if (CaptureReactionColor())
-		{
-			string warning = "";
-			if (reactedColor.Red == 0)
-			{
-				warning = warning + "\nRed is too low.";
-			}
-			if (reactedColor.Green == 0)
-			{
-				warning = warning + "\nGreen is too low.";	
-			}
-			if (reactedColor.Blue == 0)
-			{
-				warning = warning + "\nBlue is too low.";	
-			}
-			if (reactedColor.Red == 255)
-			{
-				warning = warning + "\nRed is too high.";
-			}
-			if (reactedColor.Green == 255)
-			{
-				warning = warning + "\nGreen is too high.";	
-			}
-			if (reactedColor.Blue == 255)
-			{
-				warning = warning + "\nBlue is too high.";	
-			}
-			
-			if (warning.Length != 0)
-			{
-				MessageDialog md = new MessageDialog(this, 
-	            DialogFlags.DestroyWithParent,
-	            MessageType.Error, ButtonsType.Ok, 
-	            "Reaction clipped.  You will need to do a " +
-	            "3-way reaction to test this pair.  Details: " +
-	            warning);
-	   
-				md.Run();			
-				md.Destroy();
-			}
-			else
-			{
-				this.reactionSwatch.Color = reactedColor;
-				saveButton.Sensitive = true;
-			}
-		}
-		else
-		{
-			MessageDialog md = new MessageDialog(this, 
-	            DialogFlags.DestroyWithParent,
-	            MessageType.Error, ButtonsType.Ok, 
-	            "Pigment Lab dialog box NOT FOUND.  Please ensure " +
-	            "that there is an unobstructed view of the dialog " +
-	            "when you press the Capture button.");
-	   
-			md.Run();			
-			md.Destroy();	
-		}
-	}
-	
-	protected virtual void OnSaveButton(object sender, System.EventArgs e)
-	{
-		int r, g, b;
-		if (reagent3 != null)
-		{
-			// A 3-reagent reaction.
-			Reaction reaction1 = profile.FindReaction(reagent1, reagent2);
-			Reaction reaction2 = profile.FindReaction(reagent1, reagent3);
-			Reaction reaction3 = profile.FindReaction(reagent2, reagent3);
-			
-			r = reactedColor.Red - expectedColor.Red;
-			g = reactedColor.Green - expectedColor.Green;
-			b = reactedColor.Blue - expectedColor.Blue;
-			
-			if (reaction2 == null)
-			{
-				r = r - reaction1.Red - reaction3.Red;
-				g = g - reaction1.Green - reaction3.Green;
-				b = b - reaction1.Blue - reaction3.Blue;
-				profile.SetReaction(reagent1, reagent3, new Reaction(r, g, b));
-				profile.Save();
-				saveButton.Sensitive = false;
-			}
-			else if (reaction3 == null)
-			{
-				r = r - reaction1.Red - reaction2.Red;
-				g = g - reaction1.Green - reaction2.Green;
-				b = b - reaction1.Blue - reaction2.Blue;
-				profile.SetReaction(reagent2, reagent3, new Reaction(r, g, b));
-				profile.Save();
-				saveButton.Sensitive = false;
-			}	
-		}
-		else if ((reagent1 != null) && (reagent2 != null))
-		{
-			// A 2-reagent reaction.
-			r = reactedColor.Red - expectedColor.Red;
-			g = reactedColor.Green - expectedColor.Green;
-			b = reactedColor.Blue - expectedColor.Blue;
-			profile.SetReaction(reagent1, reagent2, new Reaction(r, g, b));
-			profile.Save();
-			saveButton.Sensitive = false;
-		}
-	}
-	
-	protected virtual void OnChangedIngredient1(object sender, System.EventArgs e)
-	{
-		UpdateIngredients();
-	}
-	
-	protected virtual void OnChangedIngredient2(object sender, System.EventArgs e)
-	{
-		UpdateIngredients();
-	}
-	
-	protected virtual void OnChangedIngredient3(object sender, System.EventArgs e)
-	{
-		UpdateIngredients();
-
-	}
-	
-	protected virtual void OnNewProfile(object sender, System.EventArgs e)
-	{
-		if (unsavedData)
-		{
-			MessageDialog md = new MessageDialog(this, 
-	            DialogFlags.DestroyWithParent,
-	            MessageType.Warning, ButtonsType.OkCancel, 
-	            "Your last reaction was unsaved." +
-	            "Are you sure you want to lose your changes?");
-	   
-			ResponseType resp = (ResponseType)md.Run();			
-			md.Destroy();
-			if (resp != ResponseType.Ok)
-			{
-				return;	
-			}
-		}
-		
-		if (NewProfile())
-		{
-			profile.Load();
-			PopulateDropDowns();
-		}
-	}
-	
-	protected virtual void OnOpenProfile(object sender, System.EventArgs e)
-	{
-		bool profileSelected = false;
-		SelectProfileDialog selectProfileDialog = new SelectProfileDialog();
-		selectProfileDialog.ProfileList = profileList;
-		ResponseType resp = (ResponseType)selectProfileDialog.Run();
-		selectProfileDialog.Destroy();
-		if (resp == ResponseType.Ok) // Selected a profile.
-		{
-			SetProfileName(selectProfileDialog.SelectedProfile);
-			profileSelected = true;
-		}
-		else if (resp == ResponseType.Accept) // New profile.
-		{
-			profileSelected = NewProfile();
-		}
-		if (profileSelected)
-		{
-			profile.Load();
-			PopulateDropDowns();
-		}
-	}
-	
-	protected virtual void OnAbout(object sender, System.EventArgs e)
-	{
-		AboutDialog aboutDialog = new AboutDialog();
-		aboutDialog.Run();
-		aboutDialog.Destroy();
-	}
-	
-	protected virtual void OnMenuExit (object sender, System.EventArgs e)
-	{
-		if (ConfirmedExit())
-		{
-			Application.Quit();
-		}		
-	}
-	
-	protected virtual void OnExport(object sender, System.EventArgs e)
-	{
-		FileChooserDialog fileDialog =
-			new FileChooserDialog("Select destination file.",
-				    this, FileChooserAction.Save,
-			        Gtk.Stock.Cancel, ResponseType.Cancel,
-		            Gtk.Stock.Save, ResponseType.Accept);
-		ResponseType resp = (ResponseType)fileDialog.Run();
-		if (resp == ResponseType.Accept)
-		{
-			string fileName = fileDialog.Filename;
-			string directory = fileDialog.CurrentFolder;
-			profile.Export(System.IO.Path.Combine(directory, fileName));
-		}
-		fileDialog.Destroy();
-	}
-	
-	protected virtual void RunSimulator(object sender, System.EventArgs e)
-	{
-		SimulatorWindow win = new SimulatorWindow(profile);
-		win.Show();
-	}
-	
-	
-	
-	
-}
-
+/*
+ * Copyright (c) 2010, Tess Snider
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
+*/
+
+using System;
+using System.IO;
+using System.Collections.Generic;
+using Gtk;
+using DesertPaintLab;
+
+public partial class MainWindow : Gtk.Window
+{
+	const int colorTolerance = 2;
+
+	int swatchHeight = 24;
+	int colorBarWidth = 306;
+	int redBarSpacing = 32;
+	int greenBarSpacing = 42;
+	int blueBarSpacing = 52;
+
+
+	bool unsavedData = false;
+	bool shouldShutDown = false;
+	string appDataPath;
+	List<string> profileList = new List<string>();
+	PlayerProfile profile = null;
+	PaintColor expectedColor = new PaintColor();
+	PaintColor reactedColor = new PaintColor();
+	
+	int screenWidth = 0;
+	int screenHeight = 0;
+	int pixelMultiplier = 1;
+
+	Gdk.Window rootWindow = null;
+	Gdk.Pixbuf screenBuffer = null;
+
+	Reagent reagent1 = null;
+	Reagent reagent2 = null;
+	Reagent reagent3 = null;
+
+	
+	public bool ShouldShutDown
+	{
+		get
+		{
+			return shouldShutDown;	
+		}
+	}
+	
+	
+	public MainWindow () : base(Gtk.WindowType.Toplevel)
+	{
+		appDataPath = System.IO.Path.Combine(
+			Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
+		    "DesertPaintLab");
+		
+		if (!System.IO.Directory.Exists(appDataPath))
+		{
+			System.IO.Directory.CreateDirectory(appDataPath);	
+		}
+		
+		DirectoryInfo di = new DirectoryInfo(appDataPath);
+		DirectoryInfo[] dirs = di.GetDirectories();
+		foreach (DirectoryInfo dir in dirs)
+		{
+			if (dir.Name != "template")
+			{
+				profileList.Add(dir.Name);
+			}
+		}
+		
+		Palette.Load(System.IO.Path.Combine(
+				System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location),
+		    	"colors.txt"));
+		
+		Build();
+		
+		if (unmodifiedSwatch != null)
+		{
+			unmodifiedSwatch.Clear();
+		}
+		if (reactionSwatch != null)
+		{
+			reactionSwatch.Clear();
+		}
+
+		// get the root window
+		rootWindow = Gdk.Global.DefaultRootWindow;
+
+		// get its width and height
+		rootWindow.GetSize(out screenWidth, out screenHeight);
+
+		ScreenCheckDialog screenCheckDialog = new ScreenCheckDialog();
+		screenCheckDialog.ScreenWidth = screenWidth;
+		screenCheckDialog.ScreenHeight = screenHeight;
+		screenCheckDialog.GamePixelWidth = pixelMultiplier;
+		ResponseType resp = (ResponseType)screenCheckDialog.Run();
+		screenWidth = screenCheckDialog.ScreenWidth;
+		screenHeight = screenCheckDialog.ScreenHeight;
+		pixelMultiplier = screenCheckDialog.GamePixelWidth;
+		screenCheckDialog.Destroy();
+
+		screenBuffer = new Gdk.Pixbuf(Gdk.Colorspace.Rgb, false, 8, screenWidth, screenHeight);
+	
+		swatchHeight    *= pixelMultiplier;
+		colorBarWidth   *= pixelMultiplier;
+		redBarSpacing   *= pixelMultiplier;
+		greenBarSpacing *= pixelMultiplier;
+		blueBarSpacing  *= pixelMultiplier;
+
+		if (!OpenProfile())
+		{
+			shouldShutDown = true;
+		}
+	}
+
+	bool ConfirmedExit()
+	{
+		if (unsavedData)
+		{
+			MessageDialog md = new MessageDialog(this, 
+	            DialogFlags.DestroyWithParent,
+	            MessageType.Warning, ButtonsType.OkCancel, 
+	            "Your last reaction was unsaved." +
+	            "Are you sure you want to quit?");
+	   
+			ResponseType resp = (ResponseType)md.Run();
+			md.Destroy();
+			return (resp == ResponseType.Ok);
+		}
+		return true;
+	}
+	
+	void SetProfileName(string name)
+	{	
+		profile = new PlayerProfile(name,
+		                System.IO.Path.Combine(appDataPath, name));
+		
+		statusBar.Push(0, name);
+	}
+	
+	bool NewProfile()
+	{
+		bool newProfileCreated = false;
+		bool duplicateName = false;
+		NewProfileDialog newProfileDialog = new NewProfileDialog();
+		ResponseType resp = (ResponseType)newProfileDialog.Run();
+		if (resp == ResponseType.Ok)
+		{
+			// Make sure profile doesn't already exist.
+			foreach (string profileName in profileList)
+			{
+				if (profileName == newProfileDialog.ProfileName)
+				{
+					MessageDialog md = new MessageDialog(this, 
+	            		DialogFlags.DestroyWithParent,
+	            		MessageType.Error, ButtonsType.Ok, 
+	            		"That profile name already exists.");
+					resp = (ResponseType)md.Run();
+					md.Destroy();
+					duplicateName = true;
+					break;	
+				}
+			}
+			
+			if (!duplicateName)
+			{
+				// Set profile name.
+				SetProfileName(newProfileDialog.ProfileName);
+				
+				profile.Initialize();
+				
+				newProfileCreated = true;
+			}
+		}
+		newProfileDialog.Destroy();
+		return newProfileCreated;
+	}
+	
+	bool OpenProfile()
+	{
+		bool profileSelected = false;
+		
+		if (profileList.Count > 0)
+		{
+			SelectProfileDialog selectProfileDialog = new SelectProfileDialog();
+			selectProfileDialog.ProfileList = profileList;
+			ResponseType resp = (ResponseType)selectProfileDialog.Run();
+			selectProfileDialog.Destroy();
+			string selectedProfile = selectProfileDialog.SelectedProfile;
+			if ((resp == ResponseType.Ok) && (selectedProfile.Length > 0)) 
+				// Selected a profile.
+			{
+				SetProfileName(selectedProfile);
+				profileSelected = true;
+			}
+			else if (resp == ResponseType.Accept) // New profile.
+			{
+				profileSelected = NewProfile();
+			}
+		}
+		else
+		{
+			FirstRunDialog firstRunDialog = new FirstRunDialog();
+			ResponseType resp = (ResponseType)firstRunDialog.Run();
+			firstRunDialog.Destroy();
+			if (resp == ResponseType.Ok) // New profile
+			{
+				profileSelected = NewProfile();
+			}
+			else if (resp == ResponseType.Accept) // Import
+			{
+				FileChooserDialog fileDialog =
+					new FileChooserDialog("Select reactions.txt file.",
+				    this, FileChooserAction.Open,
+					Gtk.Stock.Cancel, ResponseType.Cancel,
+		            Gtk.Stock.Open, ResponseType.Accept);
+				resp = (ResponseType)fileDialog.Run();
+				if (resp == ResponseType.Accept)
+				{
+					string fileName = fileDialog.Filename;
+					string directory = fileDialog.CurrentFolder;
+					if (fileName == "reactions.txt")
+					{
+						profileSelected = NewProfile();
+						if (profileSelected)
+						{
+							profile.Import(directory);
+						}
+					}
+				}
+			}
+		}
+		
+		if (profileSelected)
+		{
+			profile.Load();
+			PopulateDropDowns();
+		}
+
+		return profileSelected;
+	}
+	
+	void PopulateDropDowns()
+	{
+		ReagentManager.PopulateReagents(ref ingredient1ComboBox);
+		ReagentManager.PopulateReagents(ref ingredient2ComboBox);
+		ReagentManager.PopulateReagents(ref ingredient3ComboBox);
+		
+		ingredient2ComboBox.Sensitive = false;
+		ingredient3ComboBox.Sensitive = false;
+		
+        Gtk.TreeIter iter;
+        ingredient1ComboBox.Model.IterNthChild(out iter, 0);
+        ingredient1ComboBox.SetActiveIter(iter);
+		ingredient2ComboBox.Model.IterNthChild(out iter, 0);
+        ingredient2ComboBox.SetActiveIter(iter);
+		ingredient3ComboBox.Model.IterNthChild(out iter, 0);
+        ingredient3ComboBox.SetActiveIter(iter);
+	}
+	
+	protected void SetExpectedColor(byte red, byte green, byte blue)
+	{
+		expectedColor.Red = red;
+		expectedColor.Green = green;
+		expectedColor.Blue = blue;
+		unmodifiedSwatch.Color = expectedColor;
+	}
+	
+	protected void SetExpectedColor(PaintColor color)
+	{
+		SetExpectedColor(color.Red, color.Green, color.Blue);
+	}
+	
+	protected void UpdateIngredients()
+	{
+		Reaction reaction1, reaction2;
+		TreeIter selectIter;
+		string reagentName;
+		reagent1 = null;
+		reagent2 = null;
+		reagent3 = null;
+		
+		int expRedSum = 0;
+		int expGreenSum = 0;
+		int expBlueSum = 0;
+		
+		int reactRedSum = 0;
+		int reactGreenSum = 0;
+		int reactBlueSum = 0;
+		
+		bool reactionKnown = true;
+		
+		int pigmentCount = 0;
+		
+		saveButton.Sensitive = false;
+		
+		if (ingredient1ComboBox.GetActiveIter(out selectIter))
+		{
+			reagentName = (string)ingredient1ComboBox.Model.GetValue(selectIter, 0);
+			if ((reagentName == null) || (reagentName.Length == 0))
+			{
+				ingredient2ComboBox.Sensitive = false;
+				ingredient3ComboBox.Sensitive = false;
+				unmodifiedSwatch.Clear();
+				captureButton.Sensitive = false;
+			}
+			else
+			{
+				reagent1 = ReagentManager.GetReagent(reagentName);
+				ingredient2ComboBox.Sensitive = true;
+				if (!reagent1.IsCatalyst)
+				{
+					expRedSum = reagent1.Color.Red;
+					expGreenSum = reagent1.Color.Green;
+					expBlueSum = reagent1.Color.Blue;
+					pigmentCount = 1;
+				}
+				if (ingredient2ComboBox.GetActiveIter(out selectIter))
+				{
+					reagentName = (string)ingredient2ComboBox.Model.GetValue(selectIter, 0);
+					if ((reagentName == null) || (reagentName.Length == 0))
+					{
+						ingredient3ComboBox.Sensitive = false;
+						saveButton.Sensitive = false;
+						reactionKnown = false;
+					}
+					else
+					{
+						reagent2 = ReagentManager.GetReagent(reagentName);
+						ingredient3ComboBox.Sensitive = true;
+						captureButton.Sensitive = true;
+						if (!reagent2.IsCatalyst)
+						{
+							expRedSum += reagent2.Color.Red;
+							expGreenSum += reagent2.Color.Green;
+							expBlueSum += reagent2.Color.Blue;
+							pigmentCount++;
+						}
+						
+						reaction1 = profile.FindReaction(reagent1, reagent2);
+						
+						if (reaction1 != null)
+						{
+							ingredient3ComboBox.Sensitive = true;
+							reactRedSum = reaction1.Red;
+							reactGreenSum = reaction1.Green;
+							reactBlueSum = reaction1.Blue;;	
+						}
+						else
+						{
+							reactionKnown = false;
+							ingredient3ComboBox.Sensitive = false;
+						}
+						
+						if (ingredient3ComboBox.GetActiveIter(out selectIter))
+						{
+							reagentName = (string)ingredient3ComboBox.Model.GetValue(selectIter, 0);
+							if ((reagentName != null) && (reagentName.Length != 0))
+							{
+								reagent3 = ReagentManager.GetReagent(reagentName);
+						
+								if (!reactionKnown)
+								{
+									MessageDialog md = new MessageDialog(this, 
+	            						DialogFlags.DestroyWithParent,
+	            						MessageType.Error, ButtonsType.Ok, 
+	            						"To do a three-ingredient reaction test, " +
+									    "you must first recored the reaction of " +
+									    "the first two ingredients.");
+	   
+									md.Run();
+									md.Destroy();
+									captureButton.Sensitive = false;
+								}
+								
+								if (!reagent3.IsCatalyst)
+								{
+									expRedSum += reagent3.Color.Red;
+									expGreenSum += reagent3.Color.Green;
+									expBlueSum += reagent3.Color.Blue;
+									pigmentCount++;
+								}
+								
+								reaction1 = profile.FindReaction(reagent1, reagent3);
+								reaction2 = profile.FindReaction(reagent2, reagent3);
+								
+								if (reactionKnown && (reaction1 == null) && (reaction2 == null))
+								{
+									MessageDialog md = new MessageDialog(this, 
+	            						DialogFlags.DestroyWithParent,
+	            						MessageType.Error, ButtonsType.Ok, 
+	            						"To do a three-ingredient reaction test, " +
+									    "you must first record the reaction of " +
+									    "either the first or second ingredient " +
+									    "with the third ingredient.");
+	   
+									md.Run();
+									md.Destroy();	
+									captureButton.Sensitive = false;
+								}
+								
+								if (reaction1 != null)
+								{
+									reactRedSum += reaction1.Red;
+									reactGreenSum += reaction1.Green;
+									reactBlueSum += reaction1.Blue;
+								}
+								else
+								{
+									reactionKnown = false;	
+								}
+
+								if (reaction2 != null)
+								{
+									reactRedSum += reaction2.Red;
+									reactGreenSum += reaction2.Green;
+									reactBlueSum += reaction2.Blue;
+								}
+								else
+								{
+									reactionKnown = false;	
+								}
+							}
+						}
+					}
+				}
+				SetExpectedColor((byte)Math.Round((float)expRedSum / (float)pigmentCount),
+					(byte)Math.Round((float)expGreenSum / (float)pigmentCount),
+					(byte)Math.Round((float)expBlueSum / (float)pigmentCount));
+				
+				if (reactionKnown)
+				{
+					reactedColor.Red = (byte)Math.Min(255, Math.Max(0, expectedColor.Red + reactRedSum));
+					reactedColor.Green = (byte)Math.Min(255, Math.Max(0, expectedColor.Green + reactGreenSum));
+					reactedColor.Blue = (byte)Math.Min(255, Math.Max(0, expectedColor.Blue + reactBlueSum));
+					reactionSwatch.Color = reactedColor;
+				}
+				else
+				{
+					reactionSwatch.Clear();	
+				}
+			}
+		}
+	}
+	
+	protected void OnDeleteEvent(object sender, DeleteEventArgs a)
+	{
+		if (ConfirmedExit())
+		{
+			a.RetVal = true;
+			Application.Quit();
+		}
+		else
+		{
+			a.RetVal = false;
+		}
+	}
+	
+	bool IsPapyTexture(byte r, byte g, byte b)
+	{
+		return ((r > 0xD0) && (g > 0xC8) && (b > 0xA0)) &&
+				((r < 0xF4) && (g < 0xE0) && (b < 0xC4));
+	}
+	
+	unsafe bool CaptureReactionColor()
+	{
+		// Take a screenshot.
+		byte r, g, b;
+		int pixelStart, otherPixelStart;
+		bool colorMatch;
+		Gdk.Image rootImage = rootWindow.GetImage(0, 0, screenWidth, screenHeight);
+		screenBuffer.GetFromImage(rootImage, rootImage.Colormap, 0, 0, 0, 0, screenWidth, screenHeight);
+		//screenBuffer.GetFromDrawable(rootWindow,
+		//	rootWindow.Colormap, 0, 0, 0, 0, screenWidth, screenHeight);
+		int stride = screenBuffer.Rowstride;
+		byte* pixBytes = (byte*)screenBuffer.Pixels;
+	
+		for (int x = 0; x < screenWidth - colorBarWidth; ++x)
+		{
+			for (int y = 0; y < (screenHeight - 53); ++y)
+			{
+				// Look for the color swatch.
+				pixelStart = (y * stride) + (x * 3);
+				r = pixBytes[pixelStart];
+				g = pixBytes[pixelStart + 1];
+				b = pixBytes[pixelStart + 2];
+				
+				// 1.) Check if this is a dark pixel.
+				if ((r < 0x46) && (g < 0x46) && (b < 0x46))
+				{
+					// 2.) Check the pixel above it,
+					// to see if it's from the papy texture.
+					otherPixelStart = pixelStart - stride;
+					if ((otherPixelStart >= 0) &&
+					    IsPapyTexture(pixBytes[otherPixelStart++],
+					                   pixBytes[otherPixelStart++],
+					                   pixBytes[otherPixelStart]))
+					{
+						// 3.) Check the pixel below where the swatch should be,
+						// to see if it's also from the papy texture.
+						otherPixelStart = pixelStart + (stride * swatchHeight);
+						if (IsPapyTexture(pixBytes[otherPixelStart++],
+					                   pixBytes[otherPixelStart++],
+					                   pixBytes[otherPixelStart]))
+						{
+							// pixBytes[pixelStart] = 0xFF;
+							// pixBytes[pixelStart + 1] = 0x00;
+							// pixBytes[pixelStart + 2] = 0xFF;
+							
+							// 4.) Scan the left border of the potential swatch
+							// location.
+							colorMatch = true;
+							for (int i = 1; i < swatchHeight - 2; ++i)
+							{
+								otherPixelStart = pixelStart + (stride * i);
+								if ((Math.Abs(r - pixBytes[otherPixelStart++]) > colorTolerance) ||
+								    (Math.Abs(g - pixBytes[otherPixelStart++]) > colorTolerance) ||
+								    (Math.Abs(b - pixBytes[otherPixelStart]) > colorTolerance))
+								{
+									colorMatch = false;
+									break;
+								}
+							}
+							
+							if (colorMatch)
+							{
+								// WE FOUND THE SWATCH!
+								// Now we know where the color bars are.
+								otherPixelStart = pixelStart + (redBarSpacing * stride);
+								int pixelCount = 0;
+								while ((pixBytes[otherPixelStart] > 0x9F) &&
+								       (pixBytes[otherPixelStart + 1] < 0x62) &&
+								       (pixBytes[otherPixelStart + 2]  < 0x62))
+								{
+									pixelCount++;
+									// pixBytes[otherPixelStart] = 0x00;
+									// pixBytes[otherPixelStart + 1] = 0xFF;
+									// pixBytes[otherPixelStart + 2] = 0xFF;
+									otherPixelStart += 3;
+								}
+									
+								reactedColor.Red = (byte)Math.Round((float)pixelCount * 255f / (float)colorBarWidth);
+								otherPixelStart = pixelStart + (greenBarSpacing * stride);
+								
+								pixelCount = 0;
+								while ((pixBytes[otherPixelStart] < 0x62) &&
+								       (pixBytes[otherPixelStart + 1] > 0x9F) &&
+								       (pixBytes[otherPixelStart + 2] < 0x62))
+								{
+									pixelCount++;
+									// pixBytes[otherPixelStart] = 0x00;
+									// pixBytes[otherPixelStart + 1] = 0xFF;
+									// pixBytes[otherPixelStart + 2] = 0xFF;
+									otherPixelStart += 3;
+								}
+
+								reactedColor.Green = (byte)Math.Round((float)pixelCount * 255f / (float)colorBarWidth);
+								otherPixelStart = pixelStart + (blueBarSpacing * stride);
+								
+								pixelCount = 0;
+								while ((pixBytes[otherPixelStart] < 0x62) &&
+									(pixBytes[otherPixelStart + 1] < 0x62) &&
+									(pixBytes[otherPixelStart + 2] > 0x9F))
+								{
+									pixelCount++;
+									// pixBytes[otherPixelStart] = 0x00;
+									// pixBytes[otherPixelStart + 1] = 0xFF;
+									// pixBytes[otherPixelStart + 2] = 0xFF;
+									otherPixelStart += 3;
+								}
+
+								reactedColor.Blue = (byte)Math.Round((float)pixelCount * 255f / (float)colorBarWidth);
+								
+								// write out the screenshot
+								//screenBuffer.Save("screenshot.png", "png");
+								return true;
+							}
+						}
+					}
+				}
+			}
+		}
+        //screenBuffer.Save("screenshot.png", "png");
+		
+		return false;
+		
+	}
+	
+	protected virtual void OnCaptureButton(object sender, System.EventArgs e)
+	{
+		if (CaptureReactionColor())
+		{
+			string warning = "";
+			if (reactedColor.Red == 0)
+			{
+				warning = warning + "\nRed is too low.";
+			}
+			if (reactedColor.Green == 0)
+			{
+				warning = warning + "\nGreen is too low.";	
+			}
+			if (reactedColor.Blue == 0)
+			{
+				warning = warning + "\nBlue is too low.";	
+			}
+			if (reactedColor.Red == 255)
+			{
+				warning = warning + "\nRed is too high.";
+			}
+			if (reactedColor.Green == 255)
+			{
+				warning = warning + "\nGreen is too high.";	
+			}
+			if (reactedColor.Blue == 255)
+			{
+				warning = warning + "\nBlue is too high.";	
+			}
+			
+			if (warning.Length != 0)
+			{
+				MessageDialog md = new MessageDialog(this, 
+	            DialogFlags.DestroyWithParent,
+	            MessageType.Error, ButtonsType.Ok, 
+	            "Reaction clipped.  You will need to do a " +
+	            "3-way reaction to test this pair.  Details: " +
+	            warning);
+	   
+				md.Run();
+				md.Destroy();
+			}
+			else
+			{
+				this.reactionSwatch.Color = reactedColor;
+				saveButton.Sensitive = true;
+			}
+		}
+		else
+		{
+			MessageDialog md = new MessageDialog(this, 
+	            DialogFlags.DestroyWithParent,
+	            MessageType.Error, ButtonsType.Ok, 
+	            "Pigment Lab dialog box NOT FOUND.  Please ensure " +
+	            "that there is an unobstructed view of the dialog " +
+	            "when you press the Capture button.");
+	   
+			md.Run();
+			md.Destroy();	
+		}
+	}
+	
+	protected virtual void OnSaveButton(object sender, System.EventArgs e)
+	{
+		int r, g, b;
+		if (reagent3 != null)
+		{
+			// A 3-reagent reaction.
+			Reaction reaction1 = profile.FindReaction(reagent1, reagent2);
+			Reaction reaction2 = profile.FindReaction(reagent1, reagent3);
+			Reaction reaction3 = profile.FindReaction(reagent2, reagent3);
+			
+			r = reactedColor.Red - expectedColor.Red;
+			g = reactedColor.Green - expectedColor.Green;
+			b = reactedColor.Blue - expectedColor.Blue;
+			
+			if (reaction2 == null)
+			{
+				r = r - reaction1.Red - reaction3.Red;
+				g = g - reaction1.Green - reaction3.Green;
+				b = b - reaction1.Blue - reaction3.Blue;
+				profile.SetReaction(reagent1, reagent3, new Reaction(r, g, b));
+				profile.Save();
+				saveButton.Sensitive = false;
+			}
+			else if (reaction3 == null)
+			{
+				r = r - reaction1.Red - reaction2.Red;
+				g = g - reaction1.Green - reaction2.Green;
+				b = b - reaction1.Blue - reaction2.Blue;
+				profile.SetReaction(reagent2, reagent3, new Reaction(r, g, b));
+				profile.Save();
+				saveButton.Sensitive = false;
+			}	
+		}
+		else if ((reagent1 != null) && (reagent2 != null))
+		{
+			// A 2-reagent reaction.
+			r = reactedColor.Red - expectedColor.Red;
+			g = reactedColor.Green - expectedColor.Green;
+			b = reactedColor.Blue - expectedColor.Blue;
+			profile.SetReaction(reagent1, reagent2, new Reaction(r, g, b));
+			profile.Save();
+			saveButton.Sensitive = false;
+		}
+	}
+	
+	protected virtual void OnChangedIngredient1(object sender, System.EventArgs e)
+	{
+		UpdateIngredients();
+	}
+	
+	protected virtual void OnChangedIngredient2(object sender, System.EventArgs e)
+	{
+		UpdateIngredients();
+	}
+	
+	protected virtual void OnChangedIngredient3(object sender, System.EventArgs e)
+	{
+		UpdateIngredients();
+
+	}
+	
+	protected virtual void OnNewProfile(object sender, System.EventArgs e)
+	{
+		if (unsavedData)
+		{
+			MessageDialog md = new MessageDialog(this, 
+	            DialogFlags.DestroyWithParent,
+	            MessageType.Warning, ButtonsType.OkCancel, 
+	            "Your last reaction was unsaved." +
+	            "Are you sure you want to lose your changes?");
+	   
+			ResponseType resp = (ResponseType)md.Run();
+			md.Destroy();
+			if (resp != ResponseType.Ok)
+			{
+				return;	
+			}
+		}
+		
+		if (NewProfile())
+		{
+			profile.Load();
+			PopulateDropDowns();
+		}
+	}
+	
+	protected virtual void OnOpenProfile(object sender, System.EventArgs e)
+	{
+		bool profileSelected = false;
+		SelectProfileDialog selectProfileDialog = new SelectProfileDialog();
+		selectProfileDialog.ProfileList = profileList;
+		ResponseType resp = (ResponseType)selectProfileDialog.Run();
+		selectProfileDialog.Destroy();
+		if (resp == ResponseType.Ok) // Selected a profile.
+		{
+			SetProfileName(selectProfileDialog.SelectedProfile);
+			profileSelected = true;
+		}
+		else if (resp == ResponseType.Accept) // New profile.
+		{
+			profileSelected = NewProfile();
+		}
+		if (profileSelected)
+		{
+			profile.Load();
+			PopulateDropDowns();
+		}
+	}
+	
+	protected virtual void OnAbout(object sender, System.EventArgs e)
+	{
+		AboutDialog aboutDialog = new AboutDialog();
+		aboutDialog.Run();
+		aboutDialog.Destroy();
+	}
+	
+	protected virtual void OnMenuExit (object sender, System.EventArgs e)
+	{
+		if (ConfirmedExit())
+		{
+			Application.Quit();
+		}
+	}
+	
+	protected virtual void OnExport(object sender, System.EventArgs e)
+	{
+		FileChooserDialog fileDialog =
+			new FileChooserDialog("Select destination file.",
+				    this, FileChooserAction.Save,
+			        Gtk.Stock.Cancel, ResponseType.Cancel,
+		            Gtk.Stock.Save, ResponseType.Accept);
+		ResponseType resp = (ResponseType)fileDialog.Run();
+		if (resp == ResponseType.Accept)
+		{
+			string fileName = fileDialog.Filename;
+			string directory = fileDialog.CurrentFolder;
+			profile.Export(System.IO.Path.Combine(directory, fileName));
+		}
+		fileDialog.Destroy();
+	}
+	
+	protected virtual void RunSimulator(object sender, System.EventArgs e)
+	{
+		SimulatorWindow win = new SimulatorWindow(profile);
+		win.Show();
+	}
+	
+	
+	
+	
+}
+