protected override ExpressArea GetExpressArea(int x, int y)
{
ExpressArea Result = base.GetExpressArea(x, y);
if (Result == ExpressArea.ceaNone)
{
POINT vPt = new POINT(x, y);
if (HC.PtInRect(FLeftRect, vPt))
{
return(ExpressArea.ceaLeft);
}
else
if (HC.PtInRect(FRightRect, vPt))
{
return(ExpressArea.ceaRight);
}
else
{
return(Result);
}
}
else
{
return(Result);
}
}
protected override void SetActive(bool value)
{
base.SetActive(value);
if (!value)
{
FActiveArea = ExpressArea.ceaNone;
}
}
public HCFractionItem(HCCustomData AOwnerData, string ATopText, string ABottomText) : base(AOwnerData)
{
this.StyleNo = HCStyle.Fraction;
FPadding = 5;
FActiveArea = ExpressArea.ceaNone;
FCaretOffset = -1;
FLineHide = false;
FTopText = ATopText;
FBottomText = ABottomText;
}
public HCSupSubScriptItem(HCCustomData aOwnerData, string aSupText, string aSubText) : base(aOwnerData)
{
this.StyleNo = HCStyle.SupSubScript;
FPadding = 1;
FActiveArea = ExpressArea.ceaNone;
FCaretOffset = -1;
FSupText = aSupText;
FSubText = aSubText;
}
public override bool MouseDown(MouseEventArgs e)
{
bool vResult = base.MouseDown(e);
FMouseLBDowning = (e.Button == MouseButtons.Left) && (Control.ModifierKeys == Keys.None);
FOutSelectInto = false;
if (FMouseMoveArea != FActiveArea)
{
FActiveArea = FMouseMoveArea;
OwnerData.Style.UpdateInfoReCaret();
}
string vS = "";
int vX = 0;
if (FActiveArea == ExpressArea.ceaTop)
{
vS = FSupText;
vX = e.X - FSupRect.Left;
}
else
if (FActiveArea == ExpressArea.ceaBottom)
{
vS = FSubText;
vX = e.X - FSubRect.Left;
}
int vOffset = 0;
if (FActiveArea != ExpressArea.ceaNone)
{
ApplySupSubStyle(OwnerData.Style.TextStyles[TextStyleNo], OwnerData.Style.TempCanvas);
vOffset = HC.GetNorAlignCharOffsetAt(OwnerData.Style.TempCanvas, vS, vX);
}
else
{
vOffset = -1;
}
if (vOffset != FCaretOffset)
{
FCaretOffset = (short)vOffset;
OwnerData.Style.UpdateInfoReCaret();
}
return(vResult);
}
protected virtual ExpressArea GetExpressArea(int x, int y)
{
ExpressArea Result = ExpressArea.ceaNone;
POINT vPt = new POINT(x, y);
if (HC.PtInRect(FSupRect, vPt))
{
Result = ExpressArea.ceaTop;
}
else
if (HC.PtInRect(FSubRect, vPt))
{
Result = ExpressArea.ceaBottom;
}
return(Result);
}
public override bool MouseDown(MouseEventArgs e)
{
bool vResult = base.MouseDown(e);
FMouseLBDowning = (e.Button == MouseButtons.Left);
FOutSelectInto = false;
if (FMouseMoveArea != FActiveArea)
{
FActiveArea = FMouseMoveArea;
OwnerData.Style.UpdateInfoReCaret();
}
string vS = "";
int vX = 0;
if (FActiveArea == ExpressArea.ceaTop)
{
vS = FTopText;
vX = e.X - FTopRect.Left;
}
else
if (FActiveArea == ExpressArea.ceaBottom)
{
vS = FBottomText;
vX = e.X - FBottomRect.Left;
}
int vOffset = -1;
if (FActiveArea != ExpressArea.ceaNone)
{
OwnerData.Style.ApplyTempStyle(TextStyleNo);
vOffset = HC.GetNorAlignCharOffsetAt(OwnerData.Style.TempCanvas, vS, vX);
}
if (vOffset != FCaretOffset)
{
FCaretOffset = (short)vOffset;
OwnerData.Style.UpdateInfoReCaret();
}
return(vResult);
}
public override void MouseDown(MouseEventArgs e)
{
base.MouseDown(e);
FMouseLBDowning = (e.Button == MouseButtons.Left);
FOutSelectInto = false;
if (FMouseMoveArea != FActiveArea)
{
FActiveArea = FMouseMoveArea;
OwnerData.Style.UpdateInfoReCaret();
}
string vS = "";
int vX = 0;
if (FActiveArea == ExpressArea.ceaTop)
{
vS = FSupText;
vX = e.X - FSupRect.Left;
}
else
if (FActiveArea == ExpressArea.ceaBottom)
{
vS = FSubText;
vX = e.X - FSubRect.Left;
}
int vOffset = 0;
if (FActiveArea != ExpressArea.ceaNone)
{
ApplySupSubStyle(OwnerData.Style.TextStyles[TextStyleNo], OwnerData.Style.DefCanvas);
vOffset = HC.GetCharOffsetByX(OwnerData.Style.DefCanvas, vS, vX);
}
else
{
vOffset = -1;
}
if (vOffset != FCaretOffset)
{
FCaretOffset = (short)vOffset;
OwnerData.Style.UpdateInfoReCaret();
}
}
public override void MouseMove(MouseEventArgs e)
{
if ((!FMouseLBDowning) && (e.Button == MouseButtons.Left))
{
FOutSelectInto = true;
}
if (!FOutSelectInto)
{
ExpressArea vArea = GetExpressArea(e.X, e.Y);
if (vArea != FMouseMoveArea)
{
FMouseMoveArea = vArea;
OwnerData.Style.UpdateInfoRePaint();
}
}
else
{
FMouseMoveArea = ExpressArea.ceaNone;
}
base.MouseMove(e);
}
public override bool MouseMove(MouseEventArgs e)
{
if ((!FMouseLBDowning) && (e.Button == MouseButtons.Left) && (Control.ModifierKeys == Keys.None))
{
FOutSelectInto = true;
}
if (!FOutSelectInto)
{
ExpressArea vArea = GetExpressArea(e.X, e.Y);
if (vArea != FMouseMoveArea)
{
FMouseMoveArea = vArea;
OwnerData.Style.UpdateInfoRePaint();
}
}
else
{
FMouseMoveArea = ExpressArea.ceaNone;
}
return(base.MouseMove(e));
}
