//make arrow keys move between text boxes for easier entry
private void textBoxXY_KeyDown(object sender, KeyEventArgs e)
{
TextBoxXY tb = (TextBoxXY)sender;
if (e.KeyValue == 37 || e.KeyValue == 38 || e.KeyValue == 39 || e.KeyValue == 40)
{
//don't let text box handle arrow key presses
e.SuppressKeyPress = true;
//handle left arrow
if (e.KeyValue == 37 && tb.X > 0)
{
textBoxXY[tb.X - 1, tb.Y].Focus();
}
//right arrow
if (e.KeyValue == 39 && tb.X < 8)
{
textBoxXY[tb.X + 1, tb.Y].Focus();
}
//up arrow
if (e.KeyValue == 38 && tb.Y > 0)
{
textBoxXY[tb.X, tb.Y - 1].Focus();
}
//down arrow
if (e.KeyValue == 40 && tb.Y < 8)
{
textBoxXY[tb.X, tb.Y + 1].Focus();
}
}
return;
}
private void textBoxXY_TextChanged(object sender, EventArgs e)
{
TextBoxXY curr = (TextBoxXY)sender;
if (!curr.handleTextChange)
{
return;
}
String text = curr.Text;
if (text.Length < 1) //test for text entered //TODO: redo this section with refreshDisplay
{
if (currentGrid[curr.X, curr.Y] == 0) //no text, no value, nothing to do.
{
return;
}
else //not text, but should be a known value
{
curr.Text = "" + currentGrid[curr.X, curr.Y]; //just reset text. No need to refreshDisplay
return;
}
}
//make sure a valid digit was entered.
char digit = text[0];
if (!Char.IsDigit(digit) || digit == '0')
{
curr.Text = ""; //not a digit, delete text. No need to refreshDisplay
return;
}
//see if just setting it to the value it is already known to be
if (Char.GetNumericValue(digit) == currentGrid[curr.X, curr.Y])
{
curr.Text = "" + currentGrid[curr.X, curr.Y]; //no change, just reset the text. No need to refreshDisplay
return;
}
SudokuGrid undoTemp = new SudokuGrid(currentGrid);
//attempt to apply the new digit
if (!currentGrid.setKnownValue(curr.X, curr.Y, (int)Char.GetNumericValue(digit)))
{
curr.Text = ""; //change rejected, clear the text. No need to refreshDisplay
return;
}
undoStack.Push(undoTemp);
buttonUndo.Enabled = true;
labelDebugInfo.Text = listPossibilities(curr.X, curr.Y); //force update possibilty list for this cell, since this cell has focus
//change accepted, check entire grid, if autosolve is on
if (checkBoxAuto.Checked)
{
currentGrid.solve();
}
refreshDisplay();
}
private void textBoxXY_Leave(object sender, EventArgs e)
{
TextBoxXY tb = (TextBoxXY)sender;
tb.handleTextChange = false;
displayPossibilities(tb.X, tb.Y);
labelDebugInfo.Text = "";
}
//display possibility info in labelMessage whenever textbox is entered
private void textBoxXY_Enter(object sender, EventArgs e)
{
TextBoxXY tb = (TextBoxXY)sender;
labelDebugInfo.Text = listPossibilities(tb.X, tb.Y);
tb.handleTextChange = true;
restoreFonts(tb);
}
void InitializeComponentDynamic()
{
//dynamically initialize the components for the grid
//creating the classic sudoku style by spacing the textboxes (with flat style outline) out over a black panel
this.SuspendLayout();
const int smallMargin = 0;
const int extraMargin = 2;
//use the invisble dummy text box to get the correct text box height for the font size
textBoxDummy.Font = new System.Drawing.Font("Microsoft Sans Serif", fontSize, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
textBoxDummy.Size = new System.Drawing.Size(1, 1); //setting it to 1x1 pixel, the textbox will clamp that value to smallest allowed for font size
int textBoxSize = textBoxDummy.Size.Height; //get the clamped value to use in our real text boxes
//create the text boxes
textBoxXY = new TextBoxXY[9, 9];
for (int y = 0; y < 9; y++)
{
for (int x = 0; x < 9; x++)
{
//int boxIX = x % 3; //x index within group box it will be in (only matters for layout and assignments)
//int boxIY = y % 3; //y " " "
int boxX = smallMargin * (x + 1) + extraMargin * (1 + x / 3) + textBoxSize * x; //x coordinate within group box it will be in
int boxY = smallMargin * (y + 1) + extraMargin * (1 + y / 3) + textBoxSize * y; //y " " "
textBoxXY[x, y] = new TextBoxXY(x, y);
textBoxXY[x, y].Location = new System.Drawing.Point(boxX, boxY);
textBoxXY[x, y].MaxLength = 1;
textBoxXY[x, y].Font = new System.Drawing.Font("Microsoft Sans Serif", fontSize, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
textBoxXY[x, y].Name = "textBox" + x.ToString() + y.ToString();
textBoxXY[x, y].Multiline = true; //allow multiline for Clutter (doesn't affect normal single character usage) (changes size when set for some odd reason?)
textBoxXY[x, y].Size = new System.Drawing.Size(textBoxSize, textBoxSize);
textBoxXY[x, y].TabIndex = y * 9 + x;
textBoxXY[x, y].Text = ""; //textBoxXY[x, y].TabIndex.ToString();
textBoxXY[x, y].TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
//if(x < 5)
textBoxXY[x, y].BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
textBoxXY[x, y].TextChanged += new System.EventHandler(this.textBoxXY_TextChanged);
textBoxXY[x, y].Enter += new System.EventHandler(this.textBoxXY_Enter);
textBoxXY[x, y].Leave += new System.EventHandler(this.textBoxXY_Leave);
textBoxXY[x, y].KeyDown += new System.Windows.Forms.KeyEventHandler(this.textBoxXY_KeyDown);
panel1.Controls.Add(textBoxXY[x, y]);
}
}
int panelSize = 10 * smallMargin + 4 * extraMargin + 9 * textBoxSize;
panel1.Size = new Size(panelSize, panelSize);
panelDebugTools.Location = new Point(panelDebugTools.Location.X, panel1.Location.Y + panel1.Size.Height + panel1.Margin.Size.Height);
panelDebugTools.Visible = checkBoxDebugTools.Checked;
this.ResumeLayout(true);
ResetSize();
}
//restore Font to normal size for number display/entry
private void restoreFonts(TextBoxXY tb, bool force = false)
{
if (currentGrid[tb.X, tb.Y] == 0 || force)
{
Size size = tb.Size;
tb.Text = "";
tb.MaxLength = 1;
tb.Font = new System.Drawing.Font("Microsoft Sans Serif", fontSize, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
tb.Size = size;
}
}