public void GetSelection(uint index, ref TsSelectionAcp selection, out uint cFetched)
{
cFetched = 0;
//does the caller have a lock
if (!_IsLocked(TsLfFlags.Read))
{
//the caller doesn't have a lock
//return NativeMethods.TS_E_NOLOCK;
throw new COMException("", (int)TsErrors.TsENolock);
}
//check the requested index
if (-1 == (int)index)
{
index = 0;
}
else if (index > 1)
{
/*
* The index is too high. This app only supports one selection.
*/
throw new COMException("", Result.InvalidArg.Code);
}
selection.AcpStart = _acpStart;
selection.AcpEnd = _acpEnd;
selection.Style.FInterimChar = _interimChar;
if (_interimChar)
{
/*
* fInterimChar will be set when an intermediate character has been
* set. One example of when this will happen is when an IME is being
* used to enter characters and a character has been set, but the IME
* is still active.
*/
selection.Style.Ase = TsActiveSelEnd.TsAeNone;
}
else
{
selection.Style.Ase = _activeSelectionEnd;
}
cFetched = 1;
}
public void SetSelection(uint count, ref TsSelectionAcp selections)
{
//this implementaiton only supports a single selection
if (count != 1)
{
throw new COMException("", Result.InvalidArg.Code);
}
//does the caller have a lock
if (!_IsLocked(TsLfFlags.Readwrite))
{
//the caller doesn't have a lock
//return NativeMethods.TS_E_NOLOCK;
throw new COMException("", (int)TsErrors.TsENolock);
}
_acpStart = selections.AcpStart;
_acpEnd = selections.AcpEnd;
_interimChar = selections.Style.FInterimChar;
if (_interimChar)
{
/*
* fInterimChar will be set when an intermediate character has been
* set. One example of when this will happen is when an IME is being
* used to enter characters and a character has been set, but the IME
* is still active.
*/
_activeSelectionEnd = TsActiveSelEnd.TsAeNone;
}
else
{
_activeSelectionEnd = selections.Style.Ase;
}
//if the selection end is at the start of the selection, reverse the parameters
int lStart = _acpStart;
int lEnd = _acpEnd;
if (TsActiveSelEnd.TsAeStart == _activeSelectionEnd)
{
lStart = _acpEnd;
lEnd = _acpStart;
}
}
public void SetText(int dwFlags, int acpStart, int acpEnd, string pchText, uint cch, out TsfSharp.TsTextchange change)
{
/*
* dwFlags can be:
* TS_ST_CORRECTION
*/
//set the selection to the specified range
TsSelectionAcp tsa = new TsSelectionAcp();
tsa.AcpStart = acpStart;
tsa.AcpEnd = acpEnd;
tsa.Style.Ase = TsActiveSelEnd.TsAeStart;
tsa.Style.FInterimChar = false;
SetSelection(1, ref tsa);
int start, end;
InsertTextAtSelection(TsIasFlags.Noquery, pchText, cch, out start, out end, out change);
}
