/// <summary>
/// Moves the caret in the direction indicated by the vector. The caret will automatically
/// wrap to the last/next line if movement in the Y direction would result in the index
/// going out of range.
/// </summary>
/// <param name="dir">Index direction vector</param>
public void Move(Vector2I dir, bool navigate = false)
{
Vector2I newIndex, min = new Vector2I(0, -1);
if (dir.Y < 0 && Index == min)
{
dir.Y = 0;
}
bool moveLeft = dir.Y < 0, moveRight = dir.Y > 0,
prepending = Index.Y == -1,
startPrepend = moveLeft && Index.Y == 0;
if (startPrepend || (dir.Y == 0 && prepending))
{
newIndex = Index + new Vector2I(dir.X, 0);
newIndex.Y = -1;
newIndex = ClampIndex(newIndex);
caretOffset = GetOffsetFromIndex(new Vector2I(newIndex.X, 0));
}
else
{
int newOffset = Math.Max(caretOffset + dir.Y, 0);
// Stop prepending
if ((prepending && moveRight) && (Index.X > 0 || text[0].Count > 1))
{
newOffset -= 1;
}
newIndex = GetIndexFromOffset(newOffset) + new Vector2I(dir.X, 0);
newIndex = ClampIndex(newIndex);
caretOffset = GetOffsetFromIndex(newIndex);
if (navigate && moveRight && newIndex.X > Index.X)
{
newIndex.Y = -1;
}
}
Index = ClampIndex(newIndex);
caretMoved = true;
if (Index.Y >= 0)
{
text.MoveToChar(Index);
}
else
{
text.MoveToChar(Index + new Vector2I(0, 1));
}
blink = true;
blinkTimer.Restart();
}
protected override void HandleInput(Vector2 cursorPos)
{
ITextBoard textBoard = textBox.TextBoard;
IMouseInput vertControl = verticalScroll.slide.MouseInput;
verticalScroll.Max = Math.Max(0f, textBoard.TextSize.Y - textBoard.Size.Y);
// Update the ScrollBar positions to represent the current offset unless they're being clicked.
if (!vertControl.IsLeftClicked)
{
if (IsMousedOver || verticalScroll.IsMousedOver)
{
Vector2I lineRange = textBoard.VisibleLineRange;
if (SharedBinds.MousewheelUp.IsPressed || SharedBinds.UpArrow.IsNewPressed || SharedBinds.UpArrow.IsPressedAndHeld)
{
textBoard.MoveToChar(new Vector2I(lineRange.X - 1, 0));
}
else if (SharedBinds.MousewheelDown.IsPressed || SharedBinds.DownArrow.IsNewPressed || SharedBinds.DownArrow.IsPressedAndHeld)
{
textBoard.MoveToChar(new Vector2I(lineRange.Y + 1, 0));
}
else if (SharedBinds.PageUp.IsNewPressed || SharedBinds.PageUp.IsPressedAndHeld)
{
// A hacky, somewhat inefficient solution, but it works well
textBoard.MoveToChar(new Vector2I(0, 0));
textBoard.MoveToChar(new Vector2I(lineRange.X - 1, 0));
}
else if (SharedBinds.PageDown.IsNewPressed || SharedBinds.PageDown.IsPressedAndHeld)
{
textBoard.MoveToChar(new Vector2I(textBoard.Count - 1, 0));
textBoard.MoveToChar(new Vector2I(lineRange.Y + 1, 0));
}
}
verticalScroll.Current = textBoard.TextOffset.Y;
}
textBoard.TextOffset = new Vector2(0, verticalScroll.Current);
}
