/// <summary>
/// Generates a new textbox with the necessary event handlers
/// </summary>
private TextBox MakeTextBox(int row, int col)
{
// Make a new textbox
TextBox newBox = new TabbityTextBox();
newBox.BorderStyle = BorderStyle.None;
newBox.Dock = DockStyle.Fill;
newBox.Multiline = true; // Required to change height
newBox.TextAlign = HorizontalAlignment.Center;
newBox.MaxLength = 1;
newBox.Margin = new Padding(1);
// When the box is focused
newBox.Enter += (object sender, EventArgs e) =>
{
newBox.SelectAll();
if (this.onSelect != null)
{
this.onSelect(row, col);
}
};
newBox.Click += (object sender, EventArgs e) => newBox.SelectAll();
// When a key is pressed in the box
newBox.KeyPress += (object sender, KeyPressEventArgs e) =>
{
// Only allow digits
if ((!char.IsControl(e.KeyChar) &&
!char.IsDigit(e.KeyChar)) ||
e.KeyChar == '0')
{
e.Handled = true;
}
};
newBox.TextChanged += (object Sender, EventArgs e) =>
{
if (newBox.Text != "")
{
SetCell(row, col, Int16.Parse(newBox.Text));
newBox.SelectAll();
}
};
// Special keys change hte focus to other boxen
newBox.KeyDown += (object sender, KeyEventArgs e) =>
{
switch (e.KeyData)
{
case Keys.Down:
FocusBox(row + 1, col);
e.SuppressKeyPress = true;
break;
case Keys.Up:
FocusBox(row - 1, col);
e.SuppressKeyPress = true;
break;
case Keys.Tab | Keys.Shift:
case Keys.Left:
FocusBox(row, col - 1);
e.SuppressKeyPress = true;
break;
case Keys.Tab:
case Keys.Enter:
case Keys.Right:
FocusBox(row, col + 1);
e.SuppressKeyPress = true;
break;
case Keys.Back:
case Keys.Space:
case Keys.Delete:
ClearCell(row, col);
e.SuppressKeyPress = true;
break;
}
};
return(newBox);
}
/// <summary>
/// Generates a new textbox with the necessary event handlers
/// </summary>
private TextBox MakeTextBox(int row, int col)
{
// Make a new textbox
TextBox newBox = new TabbityTextBox();
newBox.BorderStyle = BorderStyle.None;
newBox.Dock = DockStyle.Fill;
newBox.Multiline = true; // Required to change height
newBox.TextAlign = HorizontalAlignment.Center;
newBox.MaxLength = 1;
newBox.Margin = new Padding(1);
// When the box is focused
newBox.Enter += (object sender, EventArgs e) =>
{
newBox.SelectAll();
if (this.onSelect != null) this.onSelect(row, col);
};
newBox.Click += (object sender, EventArgs e) => newBox.SelectAll();
// When a key is pressed in the box
newBox.KeyPress += (object sender, KeyPressEventArgs e) =>
{
// Only allow digits
if ((!char.IsControl(e.KeyChar)
&& !char.IsDigit(e.KeyChar))
|| e.KeyChar == '0')
{
e.Handled = true;
}
};
newBox.TextChanged += (object Sender, EventArgs e) =>
{
if (newBox.Text != "")
{
SetCell(row, col, Int16.Parse(newBox.Text));
newBox.SelectAll();
}
};
// Special keys change hte focus to other boxen
newBox.KeyDown += (object sender, KeyEventArgs e) =>
{
switch (e.KeyData)
{
case Keys.Down:
FocusBox(row + 1, col);
e.SuppressKeyPress = true;
break;
case Keys.Up:
FocusBox(row - 1, col);
e.SuppressKeyPress = true;
break;
case Keys.Tab | Keys.Shift:
case Keys.Left:
FocusBox(row, col-1);
e.SuppressKeyPress = true;
break;
case Keys.Tab:
case Keys.Enter:
case Keys.Right:
FocusBox(row, col+1);
e.SuppressKeyPress = true;
break;
case Keys.Back:
case Keys.Space:
case Keys.Delete:
ClearCell(row, col);
e.SuppressKeyPress = true;
break;
}
};
return newBox;
}