private void IMEEndComposition(int lParam)
{
InputMethod.ClearCandidates();
ClearComposition();
InputMethod.OnTextCompositionEnded(this);
}
private static IntPtr WndProc(IntPtr hWnd, uint msg, IntPtr wParam, IntPtr lParam)
{
if (Imm32Manager.ImmEnabled)
{
if (Imm32Manager.Current.ProcessMessage(hWnd, msg, ref wParam, ref lParam))
{
return(IntPtr.Zero);
}
}
switch (msg)
{
case NativeMethods.WM_DESTROY:
TextServicesContext.Current.Uninitialize(true);
break;
case NativeMethods.WM_CHAR:
{
if (InputMethod.Enabled)
{
InputMethod.OnTextInput(null, (char)wParam.ToInt32());
}
break;
}
}
return(NativeMethods.CallWindowProc(_prevWndProc, hWnd, msg, wParam, lParam));
}
private void IMEComposition(int lParam)
{
if (_compositionStringHandler.Update(lParam))
{
_compositionCursorHandler.Update();
InputMethod.OnTextComposition(this, new IMEString(_compositionStringHandler.Values, _compositionStringHandler.Count), _compositionCursorHandler.Value);
}
}
//------------------------------------------------------
//
// Public Methods - ITfContextOwnerCompositionSink
//
//------------------------------------------------------
#region ITfContextOwnerCompositionSink
public void OnStartComposition(ITfCompositionView view, out bool ok)
{
// Return true in ok to start the composition.
ok = true;
_compositionStart = _compositionLength = 0;
_currentComposition.Clear();
InputMethod.OnTextCompositionStarted(this);
_compViews.Add(view);
}
public void OnEndEdit(ITfContext context, int ecReadOnly, ITfEditRecord editRecord)
{
ITfProperty property;
context.GetProperty(GUID_PROP_COMPOSING, out property);
ITfRangeACP rangeACP;
TextServicesContext.Current.ContextOwnerServices.CreateRange(_compositionStart, _compositionStart + _compositionLength, out rangeACP);
Variant val;
property.GetValue(ecReadOnly, rangeACP, out val);
property.Dispose();
rangeACP.Dispose();
if (val.Value == null || (int)val.Value == 0)
{
if (_commitLength == 0 || _inputBuffer.Count == 0)
{
return;
}
//Debug.WriteLine("Composition result: {0}", new object[] { new string(_inputBuffer.GetRange(_commitStart, _commitLength).ToArray()) });
_commited = true;
for (int i = _commitStart; i < _commitLength; i++)
{
InputMethod.OnTextInput(this, _inputBuffer[i]);
}
}
if (_commited)
{
return;
}
if (_inputBuffer.Count == 0 && _compositionLength > 0) // Composition just ended
{
return;
}
_currentComposition.Clear();
for (int i = _compositionStart; i < _compositionLength; i++)
{
_currentComposition.Add(_inputBuffer[i]);
}
InputMethod.OnTextComposition(this, new IMEString(_currentComposition), _acpEnd);
//var compStr = new string(_currentComposition.ToArray());
//compStr = compStr.Insert(_acpEnd, "|");
//Debug.WriteLine("Composition string: {0}, cursor pos: {1}", compStr, _acpEnd);
}
private void IMENotify(int WParam)
{
switch (WParam)
{
case NativeMethods.IMN_OPENCANDIDATE:
case NativeMethods.IMN_CHANGECANDIDATE:
IMEChangeCandidate();
break;
case NativeMethods.IMN_CLOSECANDIDATE:
InputMethod.ClearCandidates();
break;
default:
break;
}
}
private void IMEChangeCandidate()
{
if (TextServicesLoader.ServicesInstalled) // TSF is enabled
{
if (!TextStore.Current.SupportUIElement) // But active IME not support UIElement
{
UpdateCandidates(); // We have to fetch candidate list here.
}
return;
}
// Normal candidate list fetch in IMM32
UpdateCandidates();
// Send event on candidate updates
InputMethod.OnTextComposition(this, new IMEString(_compositionStringHandler.Values, _compositionStringHandler.Count), _compositionCursorHandler.Value);
if (InputMethod.CandidateList != null)
{
ArrayPool <IMEString> .Shared.Return(InputMethod.CandidateList);
}
}
public void OnEndComposition(ITfCompositionView view)
{
var range = view.Range;
var rangeacp = range.QueryInterface <ITfRangeACP>();
rangeacp.GetExtent(out _commitStart, out _commitLength);
rangeacp.Dispose();
range.Dispose();
// Ensure composition string reset
_compositionStart = _compositionLength = 0;
_currentComposition.Clear();
InputMethod.ClearCandidates();
InputMethod.OnTextCompositionEnded(this);
view.Dispose();
foreach (var item in _compViews)
{
item.Dispose();
}
_compViews.Clear();
}
private void IMEStartComposion(int lParam)
{
InputMethod.OnTextCompositionStarted(this);
ClearComposition();
}
private void OnUIElement(int uiElementId, bool onStart)
{
if (InputMethod.ShowOSImeWindow || !_supportUIElement)
{
return;
}
ITfUIElement uiElement;
TextServicesContext.Current.UIElementMgr.GetUIElement(uiElementId, out uiElement);
ITfCandidateListUIElementBehavior candList;
try
{
candList = uiElement.QueryInterface <ITfCandidateListUIElementBehavior>();
}
catch (SharpGenException)
{
_supportUIElement = false;
return;
}
finally
{
uiElement.Dispose();
}
uint selection = 0;
uint currentPage = 0;
uint count = 0;
uint pageCount = 0;
uint pageStart = 0;
uint pageSize = 0;
uint i, j;
candList.GetSelection(out selection);
candList.GetCurrentPage(out currentPage);
candList.GetCount(out count);
// Limit max candidate count to 100, or candList.GetString() would crash.
// Don't know why???
if (count > MaxCandidateCount)
{
count = MaxCandidateCount;
}
candList.GetPageIndex(null, 0, out pageCount);
if (pageCount > 0)
{
uint[] pageStartIndexes = ArrayPool <uint> .Shared.Rent((int)pageCount);
candList.GetPageIndex(pageStartIndexes, pageCount, out pageCount);
pageStart = pageStartIndexes[currentPage];
if (pageStart >= count - 1)
{
candList.Abort();
ArrayPool <uint> .Shared.Return(pageStartIndexes);
return;
}
if (currentPage < pageCount - 1)
{
pageSize = Math.Min(count, pageStartIndexes[currentPage + 1]) - pageStart;
}
else
{
pageSize = count - pageStart;
}
ArrayPool <uint> .Shared.Return(pageStartIndexes);
}
selection -= pageStart;
IMEString[] candidates = _IMEStringPool.Rent((int)pageSize);
IntPtr bStrPtr;
for (i = pageStart, j = 0; i < count && j < pageSize; i++, j++)
{
candList.GetString(i, out bStrPtr);
candidates[j] = new IMEString(bStrPtr);
}
//Debug.WriteLine("TSF========TSF");
//Debug.WriteLine("pageStart: {0}, pageSize: {1}, selection: {2}, currentPage: {3} candidates:", pageStart, pageSize, selection, currentPage);
//for (int k = 0; k < candidates.Length; k++)
// Debug.WriteLine(" {2}{0}.{1}", k + 1, candidates[k], k == selection ? "*" : "");
//Debug.WriteLine("TSF++++++++TSF");
InputMethod.CandidatePageStart = (int)pageStart;
InputMethod.CandidatePageSize = (int)pageSize;
InputMethod.CandidateSelection = (int)selection;
InputMethod.CandidateList = candidates;
if (_currentComposition != null)
{
InputMethod.OnTextComposition(this, new IMEString(_currentComposition), _acpEnd);
_IMEStringPool.Return(candidates);
}
candList.Dispose();
}
