public static KeysModifiers GetModifiers()
{
KeysModifiers m = KeysModifiers.None;
KeyStates shiftState = GetKeyState(Keys.LeftShift, RegisteredKeyStates);
if (shiftState == KeyStates.Released | shiftState == KeyStates.Releasing)
{
shiftState = GetKeyState(Keys.RightShift, RegisteredKeyStates);
}
if (shiftState == KeyStates.Pressed | shiftState == KeyStates.Pressing)
{
m |= KeysModifiers.Shift;
}
if (KeysMethods.CapsLocked())
{
if (m.HasFlag(KeysModifiers.Shift))
{
m &= ~KeysModifiers.Shift;
}
else
{
m |= KeysModifiers.Shift;
}
}
KeyStates altState = GetKeyState(Keys.LeftAlt, RegisteredKeyStates);
if (altState == KeyStates.Released | altState == KeyStates.Releasing)
{
altState = GetKeyState(Keys.RightAlt, RegisteredKeyStates);
}
if (altState == KeyStates.Pressed | altState == KeyStates.Pressing)
{
m |= KeysModifiers.Alt;
}
KeyStates ctrlState = GetKeyState(Keys.LeftControl, RegisteredKeyStates);
if (ctrlState == KeyStates.Released | ctrlState == KeyStates.Releasing)
{
ctrlState = GetKeyState(Keys.RightControl, RegisteredKeyStates);
}
if (ctrlState == KeyStates.Pressed | ctrlState == KeyStates.Pressing)
{
m |= KeysModifiers.Control;
}
return(m);
}
protected internal override void Update()
{
base.Update();
if (!Hovered && Editing && Input.IsPressing(Keys.MouseLeftButton))
{
Editing = false;
this.OnLeaveEdit?.Invoke();
}
if (!Graphics.Window.Focused)
{
Editing = false;
}
bool textEdited = false;
int chars = Text == null ? 0 : Text.Length;
KeysModifiers modifiers = Input.GetModifiers();
if (Editing)
{
Keys[] keys = Input.GetAllKeys(KeyStates.Pressing);
for (int i = 0; i < keys.Length; i++)
{
if (keys[i] != Keys.Back && Text?.Length >= MaxChars)
{
Text = Text.Substring(0, MaxChars);
textEdited = true;
break;
}
if (keys[i].IsKeyboard() && !keys[i].IsModifier())
{
if (keys[i] == Keys.Escape || keys[i] == Keys.Enter)
{
bool stop = true;
if (AllowNewLine)
{
if (modifiers.HasFlag(KeysModifiers.Shift))
{
stop = false;
Text += "\n";
textEdited = true;
}
}
if (stop)
{
this.Editing = false;
this.OnLeaveEdit?.Invoke();
break;
}
}
else if (keys[i] == Keys.Back)
{
Text = Text.Substring(0, WMath.Clamp(Text.Length - 1, 0, int.MaxValue));
textEdited = true;
}
else if (keys[i] == Keys.Space)
{
Text += " ";
textEdited = true;
}
else if (keys[i] == Keys.Tab)
{
Text += " ";
textEdited = true;
}
else
{
textEdited = true;
Text += keys[i].ToString(modifiers);
}
}
}
}
if (_FirstRun || textEdited)
{
_FirstRun = false;
if (!string.IsNullOrEmpty(this.Text))
{
this.Label.Color = this.TextColor;
this.Label.Text = this.Text;
}
else
{
this.Label.Color = this.EmptyTextColor;
this.Label.Text = this.EmptyText;
}
}
if (Editing)
{
this.IdleColor = this.EditingColor;
this.HoverColor = this.EditingColor;
}
else
{
this.IdleColor = this.NotEditingColor;
this.HoverColor = this.TextInputHoverColor;
}
}
