/// <summary>
/// Checks whether or not the mouse is over a button
/// </summary>
/// <returns>returns the row and column of the focused button</returns>
public Vector2 CheckFocus(List<ButtonMenu> buttons, InputState input)
{
Vector2 focus = new Vector2(-1, -1);
foreach (Button b in buttons)
{
b.IsPressed = false;
if (b.CheckFocus(input.MouseState.X, input.MouseState.Y))
{
focus.Y = b.Row;
focus.X = b.Col;
if (input.IsNewMouseReleased())
{
b.IsPressed = true;
}
}
}
return focus;
}
/// <summary>
/// Responds to user input, changing the selected entry and accepting
/// or cancelling the menu.
/// </summary>
public void HandleInput(InputState input)
{
Vector2 mouseFocus = new Vector2(-1, -1);
// Check NumPad and Number Keys for manual number entering
String keyString;
Keys key = new Keys();
int keyboardInt = -1;
for (int i = 0; i < 10; i++)
{
keyString = "D" + i.ToString();
key = (Keys)Enum.Parse(typeof(Keys), keyString);
if (input.IsNewKeyPress(key))
keyboardInt = i;
keyString = "NumPad" + i.ToString();
key = (Keys)Enum.Parse(typeof(Keys), keyString);
if (input.IsNewKeyPress(key))
keyboardInt = i;
}
if (keyboardInt != -1)
AddToAnswer(keyboardInt.ToString());
if ( input.IsMouseChanged() ||input.IsMousePressed())
mouseFocus = buttonTable.CheckFocus(input);
if (mouseFocus.X != -1)
{
focus = mouseFocus;
if (input.IsNewMouseReleased())
HandleButtonInput();
}
else
{
buttonTable.SetPressed(focus, false);
buttonTable.SetFocus(focus, false);
// Move up?
if (input.IsMenuUp())
{
focus = new Vector2(focus.X, focus.Y - 1);
if (focus.Y < 1)
focus.Y = buttonTable.Rows;
}
// Move down?
if (input.IsMenuDown())
{
focus = new Vector2(focus.X, focus.Y + 1);
if (focus.Y > buttonTable.Rows)
focus.Y = 1;
}
// Move left?
if (input.IsMenuLeft())
{
focus = new Vector2(focus.X - 1, focus.Y);
if (focus.X < 1)
focus.X = buttonTable.Cols;
}
// Move right?
if (input.IsMenuRight())
{
focus = new Vector2(focus.X + 1, focus.Y);
if (focus.X > buttonTable.Cols)
focus.X = 1;
}
buttonTable.SetFocus(focus, true);
}
// Check if the button is being pressed or if the user
// is asking to exit the screen.
if (input.IsMenuSelect())
{
HandleButtonInput();
buttonTable.SetPressed(focus, true);
}
else if (input.IsMenuCancel())
{
Exiting = true;
}
}
