public Form1()
{
InitializeComponent();
Graphics dc = this.CreateGraphics(); // create Graphics object
FontInfo KeyFontFormat1 = new FontInfo( "Arial", 12f, FontStyle.Bold);
BoardKey1 = new BoardKey(PositionLeft, PositionRight, KeySizeSqu, dc, KeyFontFormat1);
this.Show(); // show control box to user
top = -1;
top_buffer = -1;
string s_val = System.String.Empty;
}
private void Form1_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left && ((e.X >= PositionLeft) && (e.X <= PositionLeft + 10 * KeySizeSqu) && (e.Y <= PositionRight + 4 * KeySizeSqu) && (e.Y >= PositionRight)))
{//first time button click
CatchStart = true;//change state to start painting
top = -1;
ColorCord tmp = new ColorCord("", -1, -1, -1, -1, false);
Word = "";
key_old = "";
tmp = BoardKey1.ConvCoord2String(PositionLeft, PositionRight, e.X, e.Y, KeySizeSqu, Max_SquMinDistance);
if (tmp.Flag)
{
WordPosStack[++top] = tmp;
//CurvePointIndex[top] = 1;
Word += tmp.key;
key_old = tmp.key;
index_times = 1 ;
FontInfo KeyFontFormat1 = new FontInfo("Arial", 12f, FontStyle.Bold);
BoardKey1.KeyIndexPlus(WordPosStack[top], KeyFontFormat1, KeySizeSqu, index_times);
}
}
if ( e.Button == MouseButtons.Right && CatchStart)
{//right button which cause double
ColorCord tmp = new ColorCord("", -1, -1, -1, -1, false);
tmp = BoardKey1.ConvCoord2String(PositionLeft, PositionRight, e.X, e.Y, KeySizeSqu, Max_SquMinDistance);
if (tmp.Flag && index_times<2)
{//Comment: a restriction added: if you click the same key twice, then we only record the key for once
//cause there is no English word that has trible same letters
WordPosStack[++top] = tmp;
Word += tmp.key;
key_old = tmp.key;
++index_times;
//curve point cal:double letters
if (top > 1)
{
vectoriplus1.X = WordPosStack[top].RX - WordPosStack[top - 1].RX;
vectoriplus1.Y = WordPosStack[top].RY - WordPosStack[top - 1].RY;
CurvePointIndex[top - 1] = 1;
vectori = vectoriplus1;
}
else if (top == 1)
{
vectori.X = WordPosStack[top].RX - WordPosStack[top - 1].RX;
vectori.Y = WordPosStack[top].RY - WordPosStack[top - 1].RY;
CurvePointIndex[top - 1] = 1;
}
else
{//top=0, theorical, no possible this will happen
}
}
}
}
private void Form1_MouseUp(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left && top>-1)
{
CatchStart = false;
CurvePointIndex[0] = 1;
CurvePointIndex[top] = 1;
if(WordPosStack[top].key == " " && top>0)
{
CurvePointIndex[--top] = 1;
}
if (top == 0 && WordPosStack[top].key == " ")
{
this.textBox1.Paste(" ");
}
else
{
bool Flag = true;
//Word find
WordFind:
List<string> Result = new List<string>();
Result.Clear();
Result = Org_Word.Find(Word.ToLower(), CurvePointIndex);
this.listBox1.Items.Clear();
string tmp = "";
int min_lenth = Word.Length;
if (Result.Count != 0)
{
foreach (string ResultWord in Result)
{
this.listBox1.Items.Add(ResultWord.ToUpper());
if (Word.Length - ResultWord.Length < min_lenth)
tmp = ResultWord.ToUpper();
}
}
else
{
if (Flag)
{
CurvePointIndex = new int[MaxLenthWord];
CurvePointIndex[0] = CurvePointIndex[top] = 1;
Flag = false;
goto WordFind;
}
this.listBox1.Items.Add(Word);
tmp = Word;
}
input_buffer[++top_buffer] = tmp;
if (tmp.Length > 1)
{
buffer += tmp + " ";
this.textBox1.Paste(tmp + " ");
}
else if(tmp.Length == 1)
{
buffer += tmp;
this.textBox1.Paste(tmp);
}
else
{ }
}
//Create a new word string
Graphics hc = this.CreateGraphics();
hc.Clear(this.BackColor);// if need to save path, then comment this line
FontInfo KeyFontFormat1 = new FontInfo("Arial", 12f, FontStyle.Bold);
BoardKey1 = new BoardKey(PositionLeft, PositionRight, KeySizeSqu,hc, KeyFontFormat1);
Word = "";
top = -1;
}
if(e.Button == MouseButtons.Right && CatchStart && top>-1)
{
FontInfo KeyFontFormat1 = new FontInfo("Arial", 12f, FontStyle.Bold);
BoardKey1.KeyIndexPlus(WordPosStack[top], KeyFontFormat1, KeySizeSqu, index_times);
}
}
private void Form1_MouseMove(object sender, MouseEventArgs e)
{
if (CatchStart)
{
Graphics dc = this.CreateGraphics();
dc.FillEllipse(new SolidBrush(Color.BlueViolet), e.X, e.Y, 10, 12);
ColorCord tmp = BoardKey1.ConvCoord2String(PositionLeft, PositionRight, e.X, e.Y, KeySizeSqu, SquMinDistance);
if ((tmp.key != key_old) && tmp.Flag)
{
Word += tmp.key;
key_old = tmp.key;
WordPosStack[++top] = tmp;
index_times = 1;
FontInfo KeyFontFormat1 = new FontInfo("Arial", 12f, FontStyle.Bold);
BoardKey1.KeyIndexPlus(WordPosStack[top], KeyFontFormat1, KeySizeSqu, index_times);
//Curve point cal
if (top > 1)
{
vectoriplus1.X = WordPosStack[top].RX - WordPosStack[top - 1].RX;
vectoriplus1.Y = WordPosStack[top].RY - WordPosStack[top - 1].RY;
if ((vectoriplus1.X - vectori.X == 0) && (vectoriplus1.Y - vectori.Y == 0))
{
CurvePointIndex[top - 1] = 0;
}
else
{
CurvePointIndex[top - 1] = 1;
}
vectori = vectoriplus1;
}
else if (top == 1)
{
vectori.X = WordPosStack[top].RX - WordPosStack[top - 1].RX;
vectori.Y = WordPosStack[top].RY - WordPosStack[top - 1].RY;
CurvePointIndex[top - 1] = 1;
}
else
{//top=0, there is only one point, then do nothing
}
}
if (tmp.key == " ")
{
CatchStart = false;
}
dc.Dispose();
}
}
internal BoardKey(int PositionLeft, int PositionUp, int KeySizeSqu, Graphics DC,FontInfo _FontInfo )
{
dc = DC;
PointF pointF;
BluePen_Key = new Pen(Color.Blue, 3);
font = new Font(_FontInfo.FontName, _FontInfo.FontSize,_FontInfo._FontStyle);
sizeF = dc.MeasureString(KeyName[0], font);
//boundary calculation: left to right
boundary[0,0] = PositionLeft;
boundary[0,1] = PositionLeft+firline_KeyNumber*KeySizeSqu;
boundary[1,0] = PositionLeft;
boundary[1,1] = PositionLeft+Secline_KeyNumber*KeySizeSqu;
boundary[2,0] = PositionLeft+KeySizeSqu;
boundary[2,1] = PositionLeft+Thrline_KeyNumber*KeySizeSqu;
boundary[3,0] = PositionLeft+KeySizeSqu;
boundary[3,1] = PositionLeft+Thrline_KeyNumber*KeySizeSqu;
boundarybottom = PositionUp + 4 * KeySizeSqu;
int iPositionLeft = PositionLeft, iPositionUp = PositionUp;
for (int i = 0; i < firline_KeyNumber; ++i)
{
pointF = new PointF(iPositionLeft + KeySizeSqu / 2 - sizeF.Width / 2,
iPositionUp + KeySizeSqu / 2 - sizeF.Height / 2 + 1);// Note: 1 is for correct the position
KeyPosition[i].X = (float)iPositionLeft;
KeyPosition[i].Y = (float)iPositionUp;
dc.DrawRectangle(BluePen_Key, iPositionLeft, iPositionUp, KeySizeSqu, KeySizeSqu);
dc.DrawString(KeyName[i], font, Brushes.Black, pointF);
iPositionLeft += KeySizeSqu;
}
iPositionLeft = PositionLeft;
iPositionUp += KeySizeSqu;
for (int i = firline_KeyNumber; i < Secline_KeyNumber + firline_KeyNumber; ++i)
{
pointF = new PointF(iPositionLeft + KeySizeSqu / 2 - sizeF.Width / 2,
iPositionUp + KeySizeSqu / 2 - sizeF.Height / 2 + 1);// Note: 1 is for correct the position
KeyPosition[i].X = (float)iPositionLeft;
KeyPosition[i].Y = (float)iPositionUp;
dc.DrawRectangle(BluePen_Key, iPositionLeft, iPositionUp, KeySizeSqu, KeySizeSqu);
dc.DrawString(KeyName[i], font, Brushes.Black, pointF);
iPositionLeft += KeySizeSqu;
}
iPositionLeft = PositionLeft+KeySizeSqu;
iPositionUp += KeySizeSqu;
for (int i = Secline_KeyNumber+firline_KeyNumber; i < keyNumver; ++i)
{
pointF = new PointF(iPositionLeft + KeySizeSqu / 2 - sizeF.Width / 2,
iPositionUp + KeySizeSqu / 2 - sizeF.Height / 2 + 1);// Note: 1 is for correct the position
KeyPosition[i].X = (float)iPositionLeft;
KeyPosition[i].Y = (float)iPositionUp;
dc.DrawRectangle(BluePen_Key, iPositionLeft, iPositionUp, KeySizeSqu, KeySizeSqu);
dc.DrawString(KeyName[i], font, Brushes.Black, pointF);
iPositionLeft += KeySizeSqu;
}
iPositionLeft = PositionLeft + KeySizeSqu;
iPositionUp += KeySizeSqu;
dc.DrawRectangle(BluePen_Key, iPositionLeft, iPositionUp, KeySizeSqu * Thrline_KeyNumber, KeySizeSqu);
KeyPosition[keyNumver].X = (float)iPositionLeft;
KeyPosition[keyNumver].Y = (float)iPositionUp;
}
public void KeyIndexPlus(ColorCord pos, FontInfo KeyFont, int KeySizeSqu, int times)
{
PointF pointF = new PointF(pos.pointF.X + KeySizeSqu - sizeF.Width,
pos.pointF.Y );
dc.DrawString(times.ToString(), font, Brushes.Red, pointF);
}