public override bool InsertText(string aText)
{
if (FActiveArea != ExpressArea.ceaNone)
{
if (FActiveArea == ExpressArea.ceaTop)
{
FTopText = FTopText.Insert(FCaretOffset, aText);
}
else
if (FActiveArea == ExpressArea.ceaBottom)
{
FBottomText = FBottomText.Insert(FCaretOffset, aText);
}
FCaretOffset += (short)aText.Length;
this.FormatDirty();
return(true);
}
else
{
return(false);
}
}
public override bool InsertText(string AText)
{
if (FActiveArea != ExpressArea.ceaNone)
{
if (FActiveArea == ExpressArea.ceaTop)
{
FTopText = FTopText.Insert(FCaretOffset, AText);
}
else
if (FActiveArea == ExpressArea.ceaBottom)
{
FBottomText = FBottomText.Insert(FCaretOffset, AText);
}
FCaretOffset += (short)AText.Length;
this.SizeChanged = true;
return(true);
}
else
{
return(false);
}
}
public override void GetCaretInfo(ref HCCaretInfo aCaretInfo)
{
if ((FActiveArea != ExpressArea.ceaNone) && (FCaretOffset >= 0))
{
OwnerData.Style.ApplyTempStyle(TextStyleNo);
if (FActiveArea == ExpressArea.ceaTop)
{
if (FCaretOffset < 0)
{
FCaretOffset = 0;
}
aCaretInfo.Height = FTopRect.Bottom - FTopRect.Top;
aCaretInfo.X = FTopRect.Left + OwnerData.Style.TempCanvas.TextWidth(FTopText.Substring(0, FCaretOffset));
aCaretInfo.Y = FTopRect.Top;
}
else
if (FActiveArea == ExpressArea.ceaBottom)
{
if (FCaretOffset < 0)
{
FCaretOffset = 0;
}
aCaretInfo.Height = FBottomRect.Bottom - FBottomRect.Top;
aCaretInfo.X = FBottomRect.Left + OwnerData.Style.TempCanvas.TextWidth(FBottomText.Substring(0, FCaretOffset));
aCaretInfo.Y = FBottomRect.Top;
}
}
else
{
aCaretInfo.Visible = false;
}
}
public override void KeyDown(KeyEventArgs e)
{
switch (e.KeyValue)
{
case User.VK_BACK:
if (FActiveArea == ExpressArea.ceaTop)
{
if (FCaretOffset > 0)
{
FTopText = FTopText.Remove(FCaretOffset - 1, 1);
FCaretOffset--;
}
}
else
if (FActiveArea == ExpressArea.ceaBottom)
{
if (FCaretOffset > 0)
{
FBottomText = FBottomText.Remove(FCaretOffset - 1, 1);
FCaretOffset--;
}
}
this.SizeChanged = true;
break;
case User.VK_LEFT:
if (FCaretOffset > 0)
{
FCaretOffset--;
}
break;
case User.VK_RIGHT:
string vS = "";
if (FActiveArea == ExpressArea.ceaTop)
{
vS = FTopText;
}
else
if (FActiveArea == ExpressArea.ceaBottom)
{
vS = FBottomText;
}
if (FCaretOffset < vS.Length)
{
FCaretOffset++;
}
break;
case User.VK_DELETE:
if (FActiveArea == ExpressArea.ceaTop)
{
if (FCaretOffset < FTopText.Length)
{
FTopText = FTopText.Remove(FCaretOffset, 1);
}
}
else
if (FActiveArea == ExpressArea.ceaBottom)
{
if (FCaretOffset < FBottomText.Length)
{
FBottomText = FBottomText.Remove(FCaretOffset, 1);
}
}
this.SizeChanged = true;
break;
case User.VK_HOME:
FCaretOffset = 0;
break;
case User.VK_END:
if (FActiveArea == ExpressArea.ceaTop)
{
FCaretOffset = (short)FTopText.Length;
}
else
if (FActiveArea == ExpressArea.ceaBottom)
{
FCaretOffset = (short)FBottomText.Length;
}
break;
}
}
