protected virtual void OnChar(string c)
{
if (this.Char == null)
{
return;
}
CompositionEventArgs e = new CompositionEventArgs(c, this.OpenStatus, this.isComposition);
this.Char(this, e);
}
protected virtual void OnCharAlt(string c, bool open, bool composition)
{
if (this.Char == null)
{
return;
}
CompositionEventArgs e = new CompositionEventArgs(c, open, composition, true);
this.Char(this, e);
}
//--以下 特異的 event
protected virtual void OnComposition(int lParam)
{
if (this.Composition == null)
{
return;
}
if ((lParam & (int)IME.GCS.RESULTSTR) == 0)
{
return;
}
CompositionEventArgs e = new CompositionEventArgs(this.GetCompositionString(IME.GCS.RESULTSTR), true, true);
this.Composition(this, e);
}
protected override void WndProc(ref Message m)
{
if (CompositionEvent != null && m.Msg == WM_IME_COMPOSITION)
{
if (((int)m.LParam & GCS_RESULTREADSTR) > 0)
{
int Imc = ImmGetContext(this.Handle);
int sz = ImmGetCompositionString(Imc, GCS_RESULTREADSTR, null, 0);
StringBuilder str = new StringBuilder(sz);
ImmGetCompositionString(Imc, GCS_RESULTREADSTR, str, str.Capacity);
ImmReleaseContext(this.Handle, Imc);
CompositionEventArgs args = new CompositionEventArgs();
args.ImeStr = str.ToString();
CompositionEvent(this, args);
}
}
base.WndProc(ref m);
}
private static void IMEControl_CompositionEvent(CompositionEventArgs comp)
{
switch (comp.state)
{
case CompositionState.StartComposition:
case CompositionState.EndComposition:
case CompositionState.Composing:
KeyboardInput_.comp.caret = comp.caretPos;
KeyboardInput_.comp.text = comp.strComp;
break;
case CompositionState.Commit:
foreach (char ch in comp.strCommit)
{
CharEntered?.Invoke(null, new CharacterEventArgs(ch, 0));
}
break;
default:
break;
}
}
