private void loadDictionary()
{
using (System.IO.StreamReader sr = System.IO.File.OpenText("wordlist.txt"))
{
string s = "";
while ((s = sr.ReadLine()) != null)
{
s = s.ToLowerInvariant();
int count = 0;
WordTreeNode currentNode = InitialNode;
while (count < s.Length)
{
WordTreeNode next = currentNode.HasChild(s[count]);
if (next == null)
{
next = new WordTreeNode(s[count], false);
currentNode.AddChild(next);
}
currentNode = next;
count++;
}
currentNode.AddChild(new WordTreeNode('!', false));
}
}
}
public void SetParent(WordTreeNode st)
{
parent = st;
if (character == '!')
{
count++;
parent.AddCount();
}
}
public int CompareTo(Object obj)
{
if (obj.GetType().Equals(this.GetType()))
{
WordTreeNode other = (WordTreeNode)(obj);
return(this.character.CompareTo(other.character));
}
else
{
return(1);
}
}
private void ConstructLetterLayout()
{
Letters = new List <Bubble>();
//START TRIGRAM SORTING ----------------------------------------------------
List <TrigramTrinaryNode> TrigramList = null;
if (WordStack.Count >= 2)
{
string last = WordStack.Pop();
string twoback = WordStack.Peek();
WordStack.Push(last);
TrigramList = Trigram.GetList(twoback, last);
}
if (TrigramList == null)
{
TrigramList = new List <TrigramTrinaryNode>();
}
string WordSoFar = (string)(CenterBubble_Label.Content);
List <WordTreeNode> TrigramChars = new List <WordTreeNode>();
foreach (TrigramTrinaryNode ttn in TrigramList)
{
string word = Trigram.MainNodes[ttn.WordIndex].text;
if (word.StartsWith(WordSoFar, true, null))
{
char next = ' ';
if (word.Length > WordSoFar.Length)
{
next = word[WordSoFar.Length];
}
bool found = false;
foreach (WordTreeNode wtn in TrigramChars)
{
if (wtn.character == next)
{
wtn.count += (int)(ttn.frequency);
found = true;
}
}
if (!found)
{
WordTreeNode newWtn = new WordTreeNode(next, false);
newWtn.count = (int)(ttn.frequency);
TrigramChars.Add(newWtn);
}
}
}
//END TRIGRAM SORTING -----------------------------------------------------
List <WordTreeNode> finalChars = new List <WordTreeNode>();
while (finalChars.Count < Math.Min(9, TrigramChars.Count) && TrigramChars.Count > 0)
{
WordTreeNode max = TrigramChars[0];
foreach (WordTreeNode t in TrigramChars)
{
if (t.count > max.count)
{
max = t;
}
}
finalChars.Add(max);
TrigramChars.Remove(max);
}
int count = 0;
CurrentNode.children = Organize(CurrentNode.children);
while (finalChars.Count < 9 && count < CurrentNode.children.Count)
{
char n = CurrentNode.children[count].character;
if (n != '!')
{
bool alreadyExists = false;
foreach (WordTreeNode wtn in finalChars)
{
if (n == wtn.character)
{
alreadyExists = true;
}
}
if (!alreadyExists)
{
finalChars.Add(CurrentNode.children[count]);
}
}
count++;
}
count = 0;
while (finalChars.Count < 9)
{
char n = InitialNode.children[count].character;
bool alreadyExists = false;
foreach (WordTreeNode wtn in finalChars)
{
if (n == wtn.character)
{
alreadyExists = true;
}
}
if (!alreadyExists)
{
finalChars.Add(new WordTreeNode(n, false));
}
count++;
}
WordTreeNode[] placedChars = new WordTreeNode[9];
List <WordTreeNode> placeLater = new List <WordTreeNode>();
for (int i = 0; i < 9; i++)
{
WordTreeNode wtn = finalChars[i];
int place = -1;
foreach (WordTreeNode a in PreviousCharacterLocation)
{
if (wtn.character == a.character && Sticky.Content.Equals("Turn off Sticky"))
{
place = a.count;
}
}
if (place == -1)
{
placeLater.Add(wtn);
}
else
{
int ct = 0;
while (true)
{
int position = (((int)(Math.Pow((-1), (ct + 1)))) * ((ct + 1) / 2) + place) % 9;
while (position < 0)
{
position += 9;
}
ct++;
if (placedChars[position] == null)
{
placedChars[position] = wtn;
break;
}
}
}
}
placeLater.Sort();
foreach (WordTreeNode wtn in placeLater)
{
bool placed = false;
int ct = 0;
while (!placed)
{
if (placedChars[ct] == null)
{
placedChars[ct] = wtn;
placed = true;
}
ct++;
}
}
//Now placedChars contains all the characters in the order they need to be placed -----------
for (int i = 0; i < 9; i++)
{
WordTreeNode wtn = placedChars[i];
WordTreeNode listing = null;
foreach (WordTreeNode position in PreviousCharacterLocation)
{
if (position.character == wtn.character)
{
listing = position;
listing.count = i;
}
}
if (listing != null)
{
PreviousCharacterLocation.Remove(listing);
PreviousCharacterLocation.Insert(0, listing);
}
else
{
WordTreeNode newwtn = new WordTreeNode(wtn.character, false);
newwtn.count = i;
PreviousCharacterLocation.Insert(0, newwtn);
}
}
double cutTheta = 2 * Math.PI / 9;
double greatestWords = int.MinValue;
foreach (WordTreeNode w in placedChars)
{
greatestWords = (w.count > greatestWords) ? w.count : greatestWords;
}
for (int i = 0; i < 9; i++)
{
WordTreeNode wtn = placedChars[i];
WordTreeNode fromNode = CurrentNode.HasChild(wtn.character);
Letters.Add(new Bubble(theCanvas,
new Point(Canvas.GetLeft(CenterBubble_Ellipse) + CenterBubble_Ellipse.Width / 2 + RADIUS[0] * Math.Sin(cutTheta * i), Canvas.GetTop(CenterBubble_Ellipse) + CenterBubble_Ellipse.Height / 2 + RADIUS[0] * -Math.Cos(cutTheta * i)),
BUBBLERADIUS[0], fromNode != null ? Brushes.Yellow : Brushes.LightYellow, wtn.character, Bubble.RingStatus.INNER, 30 + (fromNode != null ? (int)(18 * fromNode.count / greatestWords) : 0)));
}
cutTheta = 2 * Math.PI / 27;
for (int i = 0; i < 26; i++)
{
Letters.Add(new Bubble(theCanvas, new Point(Canvas.GetLeft(CenterBubble_Ellipse) + CenterBubble_Ellipse.Width / 2 + RADIUS[1] * Math.Sin(cutTheta * i), Canvas.GetTop(CenterBubble_Ellipse) + CenterBubble_Ellipse.Height / 2 + RADIUS[1] * -Math.Cos(cutTheta * i)),
BUBBLERADIUS[1], CurrentNode.HasChild((char)((int)('a') + i)) != null ? Brushes.Yellow : Brushes.LightYellow, (char)((int)('a') + i), Bubble.RingStatus.OUTER, 24));
}
Letters.Add(new Bubble(theCanvas, new Point(Canvas.GetLeft(CenterBubble_Ellipse) + CenterBubble_Ellipse.Width / 2 + RADIUS[1] * Math.Sin(26 * cutTheta), Canvas.GetTop(CenterBubble_Ellipse) + CenterBubble_Ellipse.Height / 2 + RADIUS[1] * -Math.Cos(26 * -cutTheta)),
BUBBLERADIUS[1], CurrentNode.HasChild('-') != null ? Brushes.Yellow : Brushes.LightYellow, '-', Bubble.RingStatus.OUTER, 24));
}
public void RunWordSearch()
{
if (TrackedSkeleton != null)
{
Joint MotionHandJoint = (TrackedSkeleton.Joints[MotionHand]).ScaleTo(222, 1044);
Joint MotionHandJointScaled = TrackedSkeleton.Joints[MotionHand].ScaleTo(1366, 768, 0.55f, 0.55f);
Joint SelectionHandJoint = (TrackedSkeleton.Joints[SelectionHand]).ScaleTo(222, 656);
Joint SelectionHandJointScaled = (TrackedSkeleton.Joints[SelectionHand]).ScaleTo(1366, 768, 0.55f, 0.55f);
Point MotionHandPosition = new Point((MotionHandJointScaled.Position.X), (MotionHandJointScaled.Position.Y));
Point SelectionHandPosition = new Point((SelectionHandJointScaled.Position.X), (SelectionHandJointScaled.Position.Y));
//Move Cursor
//SetCursorPos((int)(MotionHandPosition.X), (int)(MotionHandPosition.Y));
Point destination_top_left = theCanvas.PointFromScreen(MotionHandPosition);
destination_top_left = Point.Add(destination_top_left, new System.Windows.Vector(Pointer_Ellipse.Width / -2, Pointer_Ellipse.Height / -2));
Canvas.SetTop(Pointer_Ellipse, destination_top_left.Y);
Canvas.SetLeft(Pointer_Ellipse, destination_top_left.X);
//Added data position to a queue of positions that will be loaded for each letter
PositionData.Enqueue("\r\n\t\t\t\t<entry motionhand_x=\"" + MotionHandPosition.X +
"\" motionhand_y=\"" + MotionHandPosition.Y +
"\" selectionhand_x=\"" + SelectionHandPosition.X +
"\" selectionhand_y=\"" + SelectionHandPosition.Y +
"\" relative_timestamp=\"" + DateTime.Now.Subtract(StartTime).TotalMilliseconds +
"\" />");
//Setup the default colors of the bubbles
foreach (Bubble beta in Letters)
{
if (CircleOver(beta.Ellipse))
{
beta.SetColor(Brushes.LawnGreen);
}
else
{
if (CurrentNode.HasChild(beta.Word()) != null)
{
beta.SetColor(Brushes.Yellow);
}
else
{
beta.SetColor(Brushes.LightYellow);
}
}
}
for (int i = 0; i < selected.Count; i++)
{
if (!selected_off[i] && !CircleOver(selected[i].Ellipse))
{
selected_off[i] = true;
selected_time[i][1] = DateTime.Now;
}
else if (selected_off[i] && CircleOver(selected[i].Ellipse))
{
TimeSpan t = selected_time[i][1].Subtract(selected_time[i][0]);
selected_time[i][0] = DateTime.Now.Subtract(t);
selected_time[i][1] = DateTime.Now;
selected_off[i] = false;
}
}
//Starting Case (only occurs once)
if (SelectionHandLast == null)
{
SelectionHandLast = SelectionHandPosition;
}
else
{
//Measures the distance traveled by the selection hand
SelectionHandDistance += Point.Subtract(SelectionHandLast, SelectionHandPosition).Length;
SelectionHandLast = SelectionHandPosition;
}
//Measures the distance traveled by the motion hand
if (MotionHandLast == null)
{
MotionHandLast = MotionHandPosition;
}
else
{
MotionHandDistance += Point.Subtract(MotionHandLast, MotionHandPosition).Length;
MotionHandLast = MotionHandPosition;
}
foreach (Bubble beta in Letters)
{
if (Shift)
{
beta.setText(beta.Word().ToString().ToUpperInvariant()[0]);
}
else
{
beta.setText(beta.Word().ToString().ToLowerInvariant()[0]);
}
}
Gesture MotionHandGesture = keyboardGestureTracker.track(TrackedSkeleton, TrackedSkeleton.Joints[MotionHand], nui.NuiCamera.ElevationAngle);
Gesture SelectionHandGesture = regularGestureTracker.track(TrackedSkeleton, TrackedSkeleton.Joints[SelectionHand], nui.NuiCamera.ElevationAngle);
if (CircleOver(CenterBubble_Ellipse))
{
ReturnedToCenter = true;
if (!EnterCenterFirst)
{
PositionData = new Queue <string>();
EnterCenterFirst = true;
}
if (SelectionHandGesture != null && ((SelectionHandGesture.id == GestureID.SwipeLeft && SelectionHand == JointID.HandRight) || (SelectionHandGesture.id == GestureID.SwipeRight && SelectionHand == JointID.HandLeft)))
{
SendKeys.SendWait("{Backspace}");
if (CenterBubble_Label.Content.ToString().Length > 0)
{
CenterBubble_Label.Content = CenterBubble_Label.Content.ToString().Substring(0, CenterBubble_Label.Content.ToString().Length - 1);
CurrentNode = (CurrentNode.parent != null ? CurrentNode.parent : CurrentNode);
}
PositionData.Enqueue("\r\n\t\t\t\t<backspace motionhand_x=\"" + MotionHandPosition.X +
"\" motionhand_y=\"" + MotionHandPosition.Y +
"\" selectionhand_x=\"" + SelectionHandPosition.X +
"\" selectionhand_y=\"" + SelectionHandPosition.Y +
"\" relative_timestamp=\"" + DateTime.Now.Subtract(StartTime).TotalMilliseconds +
"\" />");
}
else if (SelectionHandGesture != null && SelectionHandGesture.id == GestureID.Push)
{
if (DateTime.Now.Subtract(last_space).TotalSeconds > 0.75)
{
RemoveLayout();
CurrentNode = InitialNode;
ConstructLetterLayout();
SendKeys.SendWait(" ");
WordStack.Push(CenterBubble_Label.Content.ToString());
string word = "\r\n\t\t<word text=\"" + WordStack.Peek() + "\">";
while (WordData.Count > 0)
{
word += WordData.Dequeue();
}
word += "\r\n\t\t</word>";
SentenceData.Enqueue(word);
WordData = new Queue <string>();
CenterBubble_Label.Content = "";
last_space = DateTime.Now;
}
}
if ((SelectionHandGesture != null && SelectionHandGesture.id == GestureID.SwipeUp) || Shift == true)
{
Shift = true;
foreach (Bubble beta in Letters)
{
beta.setText(beta.Word().ToString().ToUpperInvariant()[0]);
}
}
if ((SelectionHandGesture != null && SelectionHandGesture.id == GestureID.SwipeDown) || Shift == false)
{
Shift = false;
foreach (Bubble beta in Letters)
{
beta.setText(beta.Word().ToString().ToLowerInvariant()[0]);
}
}
if (selected.Count > 0)
{
int best = 0;
for (int i = 1; i < selected.Count; i++)
{
if (selected_time[i][1].Subtract(selected_time[i][0]).TotalDays > selected_time[best][1].Subtract(selected_time[best][0]).TotalDays)
{
best = i;
}
}
Bubble select = selected[best];
Shift = false;
ReturnedToCenter = false;
char c = select.GetCharacter();
RemoveLayout();
WordTreeNode NextNode = CurrentNode.HasChild(c);
if (NextNode == null)
{
NextNode = new WordTreeNode(c, false);
NextNode.parent = CurrentNode;
}
CurrentNode = NextNode;
ConstructLetterLayout();
SendKeys.SendWait(c.ToString());
CenterBubble_Label.Content = CenterBubble_Label.Content.ToString() + c.ToString();
string letter = "";
string InnerRing = (select.r == Bubble.RingStatus.INNER ? "true" : (PreviousCharacterLocation.Contains(CurrentNode) ? "false" : "outside"));
letter += ("\r\n\t\t\t<print char=\"" + c + "\" selection_hand_distance=\"" + SelectionHandDistance + "\" motion_hand_distance=\"" + MotionHandDistance +
"\" InnerRing=\"" + InnerRing + "\"");
while (PositionData.Count > 0)
{
letter += PositionData.Dequeue();
}
PositionData = new Queue <string>();
letter += ("\r\n\t\t\t</print>");
WordData.Enqueue(letter);
SelectionHandDistance = 0.0;
MotionHandDistance = 0.0;
if (CurrentNode.HasChild('!') != null)
{
CenterBubble_Ellipse.Fill = Brushes.AntiqueWhite;
}
else
{
CenterBubble_Ellipse.Fill = Brushes.GreenYellow;
}
selected = new List <Bubble>();
selected_time = new List <DateTime[]>();
selected_off = new List <bool> ();
}
}
// We can make changes to the layout
if (ReturnedToCenter)
{
if (MotionHandGesture.id == GestureID.Still)
{
foreach (Bubble beta in Letters)
{
if (CircleOver(beta.Ellipse) && !selected.Contains(beta))
{
selected.Add(beta);
DateTime[] arr = new DateTime[2];
arr[0] = DateTime.Now;
arr[1] = DateTime.Now;
selected_time.Add(arr);
selected_off.Add(false);
}
if (CurrentNode.HasChild(beta.Word()) != null)
{
beta.SetColor(Brushes.Yellow);
}
else
{
beta.SetColor(Brushes.LightYellow);
}
}
}
}
}
if (DateTime.Now.Subtract(BlueFlash).TotalMilliseconds < 500)
{
CenterBubble_Ellipse.Fill = Brushes.LightBlue;
}
else
{
if (CurrentNode.HasChild('!') != null)
{
CenterBubble_Ellipse.Fill = Brushes.AntiqueWhite;
}
else
{
CenterBubble_Ellipse.Fill = Brushes.GreenYellow;
}
}
}
public void AddChild(WordTreeNode st)
{
children.Add(st);
st.SetParent(this);
}
public void SetParent(WordTreeNode st)
{
parent = st;
if (character == '!')
{
count++;
parent.AddCount();
}
}
public void AddChild(WordTreeNode st)
{
children.Add(st);
st.SetParent(this);
}
private void ConstructLetterLayout()
{
Letters = new List<Bubble>();
//START TRIGRAM SORTING ----------------------------------------------------
List<TrigramTrinaryNode> TrigramList = null;
if (WordStack.Count >= 2)
{
string last = WordStack.Pop();
string twoback = WordStack.Peek();
WordStack.Push(last);
TrigramList = Trigram.GetList(twoback, last);
}
if (TrigramList == null)
{
TrigramList = new List<TrigramTrinaryNode>();
}
string WordSoFar = (string)(CenterBubble_Label.Content);
List<WordTreeNode> TrigramChars = new List<WordTreeNode>();
foreach (TrigramTrinaryNode ttn in TrigramList)
{
string word = Trigram.MainNodes[ttn.WordIndex].text;
if (word.StartsWith(WordSoFar, true, null))
{
char next = ' ';
if (word.Length > WordSoFar.Length)
{
next = word[WordSoFar.Length];
}
bool found = false;
foreach (WordTreeNode wtn in TrigramChars)
{
if (wtn.character == next)
{
wtn.count += (int)(ttn.frequency);
found = true;
}
}
if (!found)
{
WordTreeNode newWtn = new WordTreeNode(next, false);
newWtn.count = (int)(ttn.frequency);
TrigramChars.Add(newWtn);
}
}
}
//END TRIGRAM SORTING -----------------------------------------------------
List<WordTreeNode> finalChars = new List<WordTreeNode>();
while (finalChars.Count < Math.Min(9, TrigramChars.Count) && TrigramChars.Count > 0)
{
WordTreeNode max = TrigramChars[0];
foreach (WordTreeNode t in TrigramChars)
{
if (t.count > max.count)
max = t;
}
finalChars.Add(max);
TrigramChars.Remove(max);
}
int count = 0;
CurrentNode.children = Organize(CurrentNode.children);
while (finalChars.Count < 9 && count < CurrentNode.children.Count)
{
char n = CurrentNode.children[count].character;
if (n != '!')
{
bool alreadyExists = false;
foreach (WordTreeNode wtn in finalChars)
{
if (n == wtn.character)
{
alreadyExists = true;
}
}
if (!alreadyExists)
{
finalChars.Add(CurrentNode.children[count]);
}
}
count++;
}
count = 0;
while (finalChars.Count < 9)
{
char n = InitialNode.children[count].character;
bool alreadyExists = false;
foreach (WordTreeNode wtn in finalChars)
{
if (n == wtn.character)
{
alreadyExists = true;
}
}
if (!alreadyExists)
{
finalChars.Add(new WordTreeNode(n, false));
}
count++;
}
WordTreeNode[] placedChars = new WordTreeNode[9];
List<WordTreeNode> placeLater = new List<WordTreeNode>();
for (int i = 0; i < 9; i++)
{
WordTreeNode wtn = finalChars[i];
int place = -1;
foreach (WordTreeNode a in PreviousCharacterLocation)
{
if (wtn.character == a.character && Sticky.Content.Equals("Turn off Sticky"))
{
place = a.count;
}
}
if (place == -1)
{
placeLater.Add(wtn);
}
else
{
int ct = 0;
while (true)
{
int position = (((int)(Math.Pow((-1), (ct + 1)))) * ((ct + 1) / 2) + place) % 9;
while (position < 0)
{
position += 9;
}
ct++;
if (placedChars[position] == null)
{
placedChars[position] = wtn;
break;
}
}
}
}
placeLater.Sort();
foreach (WordTreeNode wtn in placeLater)
{
bool placed = false;
int ct = 0;
while (!placed)
{
if (placedChars[ct] == null)
{
placedChars[ct] = wtn;
placed = true;
}
ct++;
}
}
//Now placedChars contains all the characters in the order they need to be placed -----------
for (int i = 0; i < 9; i++)
{
WordTreeNode wtn = placedChars[i];
WordTreeNode listing = null;
foreach (WordTreeNode position in PreviousCharacterLocation)
{
if (position.character == wtn.character)
{
listing = position;
listing.count = i;
}
}
if (listing != null)
{
PreviousCharacterLocation.Remove(listing);
PreviousCharacterLocation.Insert(0, listing);
}
else
{
WordTreeNode newwtn = new WordTreeNode(wtn.character, false);
newwtn.count = i;
PreviousCharacterLocation.Insert(0, newwtn);
}
}
double cutTheta = 2 * Math.PI / 9;
double greatestWords = int.MinValue;
foreach (WordTreeNode w in placedChars)
{
greatestWords = (w.count > greatestWords) ? w.count : greatestWords;
}
for (int i = 0; i < 9; i++)
{
WordTreeNode wtn = placedChars[i];
WordTreeNode fromNode = CurrentNode.HasChild(wtn.character);
Letters.Add(new Bubble(theCanvas,
new Point(Canvas.GetLeft(CenterBubble_Ellipse) + CenterBubble_Ellipse.Width / 2 + RADIUS[0] * Math.Sin(cutTheta * i), Canvas.GetTop(CenterBubble_Ellipse) + CenterBubble_Ellipse.Height / 2 + RADIUS[0] * -Math.Cos(cutTheta * i)),
BUBBLERADIUS[0], fromNode != null ? Brushes.Yellow : Brushes.LightYellow, wtn.character, Bubble.RingStatus.INNER, 30 + (fromNode != null ? (int)( 18 * fromNode.count / greatestWords) : 0)));
}
cutTheta = 2 * Math.PI / 27;
for (int i = 0; i < 26; i++)
{
Letters.Add(new Bubble(theCanvas, new Point(Canvas.GetLeft(CenterBubble_Ellipse) + CenterBubble_Ellipse.Width / 2 + RADIUS[1] * Math.Sin(cutTheta * i), Canvas.GetTop(CenterBubble_Ellipse) + CenterBubble_Ellipse.Height / 2 + RADIUS[1] * -Math.Cos(cutTheta * i)),
BUBBLERADIUS[1], CurrentNode.HasChild((char)((int)('a') + i)) != null ? Brushes.Yellow : Brushes.LightYellow, (char)((int)('a') + i), Bubble.RingStatus.OUTER, 24));
}
Letters.Add(new Bubble(theCanvas, new Point(Canvas.GetLeft(CenterBubble_Ellipse) + CenterBubble_Ellipse.Width / 2 + RADIUS[1] * Math.Sin(26 * cutTheta), Canvas.GetTop(CenterBubble_Ellipse) + CenterBubble_Ellipse.Height / 2 + RADIUS[1] * -Math.Cos(26 * -cutTheta)),
BUBBLERADIUS[1], CurrentNode.HasChild('-') != null ? Brushes.Yellow : Brushes.LightYellow, '-', Bubble.RingStatus.OUTER, 24));
}
public void RunWordSearch()
{
if (TrackedSkeleton != null)
{
Joint MotionHandJoint = (TrackedSkeleton.Joints[MotionHand]).ScaleTo(222, 1044);
Joint MotionHandJointScaled = TrackedSkeleton.Joints[MotionHand].ScaleTo(1366, 768, 0.55f, 0.55f);
Joint SelectionHandJoint = (TrackedSkeleton.Joints[SelectionHand]).ScaleTo(222, 656);
Joint SelectionHandJointScaled = (TrackedSkeleton.Joints[SelectionHand]).ScaleTo(1366, 768, 0.55f, 0.55f);
Point MotionHandPosition = new Point((MotionHandJointScaled.Position.X), (MotionHandJointScaled.Position.Y));
Point SelectionHandPosition = new Point((SelectionHandJointScaled.Position.X), (SelectionHandJointScaled.Position.Y));
//Move Cursor
//SetCursorPos((int)(MotionHandPosition.X), (int)(MotionHandPosition.Y));
Point destination_top_left = theCanvas.PointFromScreen(MotionHandPosition);
destination_top_left = Point.Add(destination_top_left, new System.Windows.Vector(Pointer_Ellipse.Width / -2, Pointer_Ellipse.Height / -2));
Canvas.SetTop(Pointer_Ellipse, destination_top_left.Y);
Canvas.SetLeft(Pointer_Ellipse, destination_top_left.X);
//Added data position to a queue of positions that will be loaded for each letter
PositionData.Enqueue("\r\n\t\t\t\t<entry motionhand_x=\"" + MotionHandPosition.X +
"\" motionhand_y=\"" + MotionHandPosition.Y +
"\" selectionhand_x=\"" + SelectionHandPosition.X +
"\" selectionhand_y=\"" + SelectionHandPosition.Y +
"\" relative_timestamp=\"" + DateTime.Now.Subtract(StartTime).TotalMilliseconds +
"\" />");
//Setup the default colors of the bubbles
foreach (Bubble beta in Letters)
{
if (CircleOver(beta.Ellipse))
{
beta.SetColor(Brushes.LawnGreen);
}
else
{
if (CurrentNode.HasChild(beta.Word()) != null)
{
beta.SetColor(Brushes.Yellow);
}
else
{
beta.SetColor(Brushes.LightYellow);
}
}
}
for (int i = 0; i < selected.Count; i++)
{
if (!selected_off[i] && !CircleOver(selected[i].Ellipse))
{
selected_off[i] = true;
selected_time[i][1] = DateTime.Now;
}
else if (selected_off[i] && CircleOver(selected[i].Ellipse))
{
TimeSpan t = selected_time[i][1].Subtract(selected_time[i][0]);
selected_time[i][0] = DateTime.Now.Subtract(t);
selected_time[i][1] = DateTime.Now;
selected_off[i] = false;
}
}
//Starting Case (only occurs once)
if (SelectionHandLast == null)
{
SelectionHandLast = SelectionHandPosition;
}
else
{
//Measures the distance traveled by the selection hand
SelectionHandDistance += Point.Subtract(SelectionHandLast, SelectionHandPosition).Length;
SelectionHandLast = SelectionHandPosition;
}
//Measures the distance traveled by the motion hand
if (MotionHandLast == null)
{
MotionHandLast = MotionHandPosition;
}
else
{
MotionHandDistance += Point.Subtract(MotionHandLast, MotionHandPosition).Length;
MotionHandLast = MotionHandPosition;
}
foreach (Bubble beta in Letters)
{
if (Shift)
{
beta.setText(beta.Word().ToString().ToUpperInvariant()[0]);
}
else
{
beta.setText(beta.Word().ToString().ToLowerInvariant()[0]);
}
}
Gesture MotionHandGesture = keyboardGestureTracker.track(TrackedSkeleton, TrackedSkeleton.Joints[MotionHand], nui.NuiCamera.ElevationAngle);
Gesture SelectionHandGesture = regularGestureTracker.track(TrackedSkeleton, TrackedSkeleton.Joints[SelectionHand], nui.NuiCamera.ElevationAngle);
if (CircleOver(CenterBubble_Ellipse))
{
ReturnedToCenter = true;
if (!EnterCenterFirst)
{
PositionData = new Queue<string>();
EnterCenterFirst = true;
}
if (SelectionHandGesture != null && ( (SelectionHandGesture.id == GestureID.SwipeLeft && SelectionHand == JointID.HandRight) || (SelectionHandGesture.id == GestureID.SwipeRight && SelectionHand == JointID.HandLeft) ))
{
SendKeys.SendWait("{Backspace}");
if (CenterBubble_Label.Content.ToString().Length > 0)
{
CenterBubble_Label.Content = CenterBubble_Label.Content.ToString().Substring(0, CenterBubble_Label.Content.ToString().Length - 1);
CurrentNode = (CurrentNode.parent != null ? CurrentNode.parent : CurrentNode);
}
PositionData.Enqueue("\r\n\t\t\t\t<backspace motionhand_x=\"" + MotionHandPosition.X +
"\" motionhand_y=\"" + MotionHandPosition.Y +
"\" selectionhand_x=\"" + SelectionHandPosition.X +
"\" selectionhand_y=\"" + SelectionHandPosition.Y +
"\" relative_timestamp=\"" + DateTime.Now.Subtract(StartTime).TotalMilliseconds +
"\" />");
}
else if (SelectionHandGesture != null && SelectionHandGesture.id == GestureID.Push)
{
if(DateTime.Now.Subtract(last_space).TotalSeconds > 0.75)
{
RemoveLayout();
CurrentNode = InitialNode;
ConstructLetterLayout();
SendKeys.SendWait(" ");
WordStack.Push(CenterBubble_Label.Content.ToString());
string word = "\r\n\t\t<word text=\"" + WordStack.Peek() + "\">";
while (WordData.Count > 0)
{
word += WordData.Dequeue();
}
word += "\r\n\t\t</word>";
SentenceData.Enqueue(word);
WordData = new Queue<string>();
CenterBubble_Label.Content = "";
last_space = DateTime.Now;
}
}
if ((SelectionHandGesture != null && SelectionHandGesture.id == GestureID.SwipeUp) || Shift == true)
{
Shift = true;
foreach (Bubble beta in Letters)
{
beta.setText(beta.Word().ToString().ToUpperInvariant()[0]);
}
}
if ((SelectionHandGesture != null && SelectionHandGesture.id == GestureID.SwipeDown) || Shift == false)
{
Shift = false;
foreach (Bubble beta in Letters)
{
beta.setText(beta.Word().ToString().ToLowerInvariant()[0]);
}
}
if (selected.Count > 0)
{
int best = 0;
for (int i = 1; i < selected.Count; i++)
{
if (selected_time[i][1].Subtract(selected_time[i][0]).TotalDays > selected_time[best][1].Subtract(selected_time[best][0]).TotalDays)
{
best = i;
}
}
Bubble select = selected[best];
Shift = false;
ReturnedToCenter = false;
char c = select.GetCharacter();
RemoveLayout();
WordTreeNode NextNode = CurrentNode.HasChild(c);
if (NextNode == null)
{
NextNode = new WordTreeNode(c, false);
NextNode.parent = CurrentNode;
}
CurrentNode = NextNode;
ConstructLetterLayout();
SendKeys.SendWait(c.ToString());
CenterBubble_Label.Content = CenterBubble_Label.Content.ToString() + c.ToString();
string letter = "";
string InnerRing = (select.r == Bubble.RingStatus.INNER ? "true" : (PreviousCharacterLocation.Contains(CurrentNode) ? "false" : "outside"));
letter += ("\r\n\t\t\t<print char=\"" + c + "\" selection_hand_distance=\"" + SelectionHandDistance + "\" motion_hand_distance=\"" + MotionHandDistance +
"\" InnerRing=\"" + InnerRing + "\"");
while (PositionData.Count > 0)
{
letter += PositionData.Dequeue();
}
PositionData = new Queue<string>();
letter += ("\r\n\t\t\t</print>");
WordData.Enqueue(letter);
SelectionHandDistance = 0.0;
MotionHandDistance = 0.0;
if (CurrentNode.HasChild('!') != null)
{
CenterBubble_Ellipse.Fill = Brushes.AntiqueWhite;
}
else
{
CenterBubble_Ellipse.Fill = Brushes.GreenYellow;
}
selected = new List<Bubble>();
selected_time = new List<DateTime[]>();
selected_off = new List<bool> ();
}
}
// We can make changes to the layout
if (ReturnedToCenter)
{
if (MotionHandGesture.id == GestureID.Still)
{
foreach (Bubble beta in Letters)
{
if (CircleOver(beta.Ellipse) && !selected.Contains(beta))
{
selected.Add(beta);
DateTime[] arr = new DateTime[2];
arr[0] = DateTime.Now;
arr[1] = DateTime.Now;
selected_time.Add(arr);
selected_off.Add(false);
}
if (CurrentNode.HasChild(beta.Word()) != null)
{
beta.SetColor(Brushes.Yellow);
}
else
{
beta.SetColor(Brushes.LightYellow);
}
}
}
}
}
if (DateTime.Now.Subtract(BlueFlash).TotalMilliseconds < 500)
{
CenterBubble_Ellipse.Fill = Brushes.LightBlue;
}
else
{
if (CurrentNode.HasChild('!') != null)
{
CenterBubble_Ellipse.Fill = Brushes.AntiqueWhite;
}
else
{
CenterBubble_Ellipse.Fill = Brushes.GreenYellow;
}
}
}
private void loadDictionary()
{
using (System.IO.StreamReader sr = System.IO.File.OpenText("wordlist.txt"))
{
string s = "";
while ((s = sr.ReadLine()) != null)
{
s = s.ToLowerInvariant();
int count = 0;
WordTreeNode currentNode = InitialNode;
while (count < s.Length)
{
WordTreeNode next = currentNode.HasChild(s[count]);
if (next == null)
{
next = new WordTreeNode(s[count], false);
currentNode.AddChild(next);
}
currentNode = next;
count++;
}
currentNode.AddChild(new WordTreeNode('!', false));
}
}
}
