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
}
}
}
}
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);
}
public ColorCord ConvCoord2String(int FormX, int FormY, int X, int Y, int KeySizeSqu, int SquMinDistance)
{
ColorCord Change0 = new ColorCord("",-1,-1,-1,-1,false);
if ( ( (boundary[0, 0] <= X && X <= boundary[0, 1]) ||
(boundary[1, 0] <= X && X <= boundary[1, 1]) ||
(boundary[2, 0] <= X && X <= boundary[2, 1]) ||
(boundary[3, 0] <= X && X <= boundary[3, 1])) &&
(FormY <= Y && Y <= boundarybottom)
)
{//within the boundaries
string s = "";
int RX = (X - FormX) / KeySizeSqu, RY = (Y - FormY) / KeySizeSqu;
int DeltaX = 0;
int DeltaY = 0;
switch (RY)
{
case (0):
DeltaX = (int)(KeyPosition[RX].X) + KeySizeSqu/2 - X;
DeltaY = (int)(KeyPosition[RX].Y) + KeySizeSqu/2 - Y;
if ( DeltaX*DeltaX+DeltaY*DeltaY <= SquMinDistance )
{
Change0.SetVal(KeyName[RX], KeyPosition[RX].X, KeyPosition[RX].Y, RX, RY, true);
}
else
{
Change0.SetValFal();
}
break;
case (1):
if (RX < 9)
{
int index = RX + firline_KeyNumber;
DeltaX = (int)(KeyPosition[index].X) + KeySizeSqu / 2 - X;
DeltaY = (int)(KeyPosition[index].Y) + KeySizeSqu / 2 - Y;
if (DeltaX * DeltaX + DeltaY * DeltaY <= SquMinDistance)
{
Change0.SetVal(KeyName[index], KeyPosition[index].X, KeyPosition[index].Y, RX, RY, true);
}
else
{
Change0.SetValFal();
}
}
else
{
s = "";
Change0.SetValFal();
}
break;
case (2):
if (RX < 8 && RX > 0)
{
int index = RX + firline_KeyNumber + Secline_KeyNumber - 1;
DeltaX = (int)(KeyPosition[index].X) + KeySizeSqu/ 2 - X;
DeltaY = (int)(KeyPosition[index].Y) + KeySizeSqu/2 - Y;
if (DeltaX * DeltaX + DeltaY * DeltaY <= SquMinDistance)
{
Change0.SetVal(KeyName[index], KeyPosition[index].X, KeyPosition[index].Y, RX, RY, true);
}
else
{
Change0.SetValFal();
}
}
else
{
s = "";
Change0.SetValFal();
}
break;
case (3):
if (0 < RX && RX < 8)
{
s = " ";
Change0.SetVal(" ", KeyPosition[keyNumver].X, KeyPosition[keyNumver].Y, RX, RY, true);
}
else
{
s = "";
Change0.SetValFal();
}
break;
}
}
else
{
Change0.SetValFal();
}
return Change0;
}
