private Rectangle GetButtonTextRect(TouchKey Key)
{
Rectangle TextRect = Key.TextRect;
TextRect.Offset(Key.Position);
return(TextRect);
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (e.Button == MouseButtons.Left)
{
TouchKey Key = HitButton(e.Location);
UpdateKeyState(Key);
}
}
private Bitmap GetKeyBitmap(TouchKey Key)
{
if (Key == pressedkey_)
{
Bitmap Bmp = Key.GetPressedBmp(IsKeyLocked(Key));
return(Bmp != null ? Bmp : pressedKeyBmp_);
}
else
{
Bitmap Bmp = Key.GetReleasedBmp(IsKeyLocked(Key));
return(Bmp != null ? Bmp : releasedKeyBmp_);
}
}
private void UpdateKeyState(TouchKey PressedKey)
{
if (PressedKey != pressedkey_)
{
Brush FontBrush = new SolidBrush(ForeColor);
TouchKey OldPressedKey = pressedkey_;
pressedkey_ = null;
if (OldPressedKey != null)
{
Invalidate(GetKeyRectangle(OldPressedKey));
if (OldPressedKey.KeyUpAction != null)
{
OldPressedKey.KeyUpAction(OldPressedKey);
}
}
pressedkey_ = PressedKey;
if (PressedKey != null)
{
Invalidate(GetKeyRectangle(PressedKey));
if (PressedKey.KeyDownAction == null)
{
int OldCaretPos = CaretPosition;
string Text = GetKeyString(
PressedKey.Key, shiftPressed_, altGrPressed_, capsLockActive_,
InputLanguage.CurrentInputLanguage
);
InsertKeys(Text, OldCaretPos);
CaretPosition += Text.Length;
if (shiftPressed_)
{
shiftPressed_ = false;
Invalidate();
}
if (altGrPressed_)
{
altGrPressed_ = false;
Invalidate();
}
}
else
{
PressedKey.KeyDownAction(PressedKey);
}
}
}
}
private string InsertKey(TouchKey Key, int Position)
{
string Txt =
GetKeyString(
Key.Key,
shiftPressed_,
altGrPressed_,
capsLockActive_,
InputLanguage.CurrentInputLanguage
);
if (Key != null && Txt != "\0" && Txt != "")
{
InsertKeys(Txt, Position);
}
return(Txt);
}
private bool IsKeyLocked(TouchKey Key)
{
switch (Key.Key)
{
case Keys.ShiftKey:
return(shiftPressed_);
case Keys.CapsLock:
return(capsLockActive_);
case Keys.Menu:
return(altGrPressed_);
default:
return(false);
}
}
private void DrawButton(Graphics g, Brush FontBrush, TouchKey k)
{
Bitmap BtnBmp = GetKeyBitmap(k);
g.DrawImage(BtnBmp, k.Position);
string KeyChar = k.GetKeyText(shiftPressed_, altGrPressed_, capsLockActive_);
Rectangle TextRect = GetButtonTextRect(k);
if (k == pressedkey_)
{
TextRect.Offset(pressedOffset_);
}
//g.DrawRectangle(Pens.Red, TextRect);
StringFormat Fmt = new StringFormat();
Fmt.Alignment = StringAlignment.Center;
Fmt.LineAlignment = StringAlignment.Center;
g.DrawString(KeyChar, Font, FontBrush, TextRect, Fmt);
}
private void OnRightKeyDown(TouchKey Key)
{
++CaretPosition;
}
private void OnLeftKeyDown(TouchKey Key)
{
--CaretPosition;
}
private void OnBackKeyDown(TouchKey Key)
{
Rubout();
}
private void OnAltGrKeyDown(TouchKey Key)
{
altGrPressed_ = !altGrPressed_;
Invalidate();
}
private void OnCapsLockKeyDown(TouchKey Key)
{
capsLockActive_ = !capsLockActive_;
Invalidate();
}
private void OnShiftKeyDown(TouchKey Key)
{
shiftPressed_ = !shiftPressed_;
Invalidate();
}
private Rectangle GetKeyRectangle(TouchKey Key)
{
return(new Rectangle(Key.Position, GetKeyBitmap(Key).Size));
}