// Runs on the main thread
void UpdateFormulaEditWindow(IntPtr formulaEditWindow)
{
if (_formulaEditWindow != formulaEditWindow)
{
_formulaEditWindow = formulaEditWindow;
if (_argumentsToolTip != null)
{
// Rather ChangeParent...?
_argumentsToolTip.Dispose();
_argumentsToolTip = null;
_selectBox.Dispose();
_selectBox = null;
}
if (_formulaEditWindow != IntPtr.Zero)
{
_argumentsToolTip = new ToolTipForm(_formulaEditWindow);
_selectBox = new SelectBoxForm(_formulaEditWindow);
//_argumentsToolTip.OwnerHandle = _formulaEditWindow;
}
else
{
// Debug.Fail("Unexpected null FormulaEditWindow...");
}
}
}
//void UpdateFunctionListWindow(IntPtr functionListWindow)
//{
// if (_functionListWindow != functionListWindow)
// {
// _functionListWindow = functionListWindow;
// if (_descriptionToolTip != null)
// {
// _descriptionToolTip.Dispose();
// _descriptionToolTip = null;
// }
// if (_functionListWindow != IntPtr.Zero)
// {
// _descriptionToolTip = new ToolTipForm(_functionListWindow);
// //_descriptionToolTip.OwnerHandle = _functionListWindow;
// }
// }
//}
// Runs on the main thread
void FormulaEditStart(string formulaPrefix, Rect editWindowBounds, IntPtr excelToolTipWindow)
{
Debug.Print($"IntelliSenseDisplay - FormulaEditStart - FormulaEditWindow: {_formulaEditWindow}, ArgumentsToolTip: {_argumentsToolTip}");
if (_formulaEditWindow != IntPtr.Zero && _argumentsToolTip == null)
{
_argumentsToolTip = new ToolTipForm(_formulaEditWindow);
_selectBox = new SelectBoxForm(_formulaEditWindow);
}
// Normally we would have no formula at this point.
// One exception is after mouse-click on the formula list, we then need to process it.
if (!string.IsNullOrEmpty(formulaPrefix))
{
FormulaEditTextChange(formulaPrefix, editWindowBounds, excelToolTipWindow);
}
}
// Runs on the main thread
void FormulaEditEnd()
{
Debug.Print($"IntelliSenseDisplay - FormulaEditEnd");
// TODO: When can it be null
if (!_selectBox?.ContainsFocus ?? true)
{
if (_argumentsToolTip != null)
{
//_argumentsToolTip.Hide();
_argumentsToolTip.Dispose();
_argumentsToolTip = null;
}
if (_selectBox != null)
{
_selectBox.Dispose();
_selectBox = null;
}
}
}
// Runs on the main thread
void FormulaEditTextChange(string formulaPrefix, Rect editWindowBounds, IntPtr excelToolTipWindow)
{
Debug.Print($"^^^ FormulaEditStateChanged. CurrentPrefix: {formulaPrefix}, Thread {Thread.CurrentThread.ManagedThreadId}");
string functionName;
int currentArgIndex;
int toolTipBottom = (int)editWindowBounds.Location.Y + 5;
if (FormulaParser.TryGetFormulaInfo(formulaPrefix, out functionName, out currentArgIndex))
{
FunctionInfo functionInfo;
if (_functionInfoMap.TryGetValue(functionName, out functionInfo))
{
var lineBeforeFunctionName = FormulaParser.GetLineBeforeFunctionName(formulaPrefix, functionName);
// We have a function name and we want to show info
if (_argumentsToolTip != null)
{
// NOTE: Hiding or moving just once doesn't help - the tooltip pops up in its original place again
// TODO: Try to move it off-screen, behind or make invisible
//if (!_argumentsToolTip.Visible)
//{
// // Fiddle a bit with the ExcelToolTip if it is already visible when we first show our FunctionEdit ToolTip
// // At other times, the explicit UI update should catch and hide as appropriate
// if (excelToolTipWindow != IntPtr.Zero)
// {
// Win32Helper.HideWindow(excelToolTipWindow);
// }
//}
int topOffset = GetTopOffset(excelToolTipWindow);
FormattedText infoText = GetFunctionIntelliSense(functionInfo, currentArgIndex);
try
{
_argumentsToolTip.ShowToolTip(infoText, lineBeforeFunctionName, (int)editWindowBounds.Location.X, (int)editWindowBounds.Location.Y + (int)editWindowBounds.Height + 5, topOffset);
toolTipBottom = (int)editWindowBounds.Location.Y + (int)editWindowBounds.Height + 5 + _argumentsToolTip.Height;
}
catch (Exception ex)
{
Logger.Display.Warn($"IntelliSenseDisplay - FormulaEditTextChange Error - {ex}");
_argumentsToolTip.Dispose();
_argumentsToolTip = null;
}
}
else
{
Logger.Display.Warn("FormulaEditTextChange with no arguments tooltip !?");
}
if (_selectBox != null)
{
try
{
var argDescription = functionInfo.ArgumentList[currentArgIndex].Description;
int topOffset = GetTopOffset(excelToolTipWindow);
if (hasArgList(argDescription))
{
_selectBox.ShowToolTip(argDescription, lineBeforeFunctionName, (int)editWindowBounds.Location.X, toolTipBottom + 10, topOffset);
}
//else
//{
// _selectBox.Dispose();
// _selectBox = null;
//}
}
catch (Exception ex)
{
Logger.Display.Warn($"IntelliSenseDisplay - FormulaEditTextChange Error - {ex}");
_selectBox.Dispose();
_selectBox = null;
}
}
return;
}
}
// All other paths, we hide the box
_argumentsToolTip?.Hide();
}