void ReleaseHitChain(CssBoxHitChain hitChain)
{
hitChain.Clear();
this.hitChainPools.Push(hitChain);
}
public void MouseMove(UIMouseMoveEventArgs e, CssBox startAt)
{
if (!_isBinded)
{
return;
}
if (startAt == null)
{
return;
}
//-----------------------------------------
int x = e.X;
int y = e.Y;
if (e.IsDragging && _latestMouseDownChain != null)
{
//dragging *** , if changed
if (_mousedownX != x || _mousedownY != y)
{
//handle mouse drag
CssBoxHitChain hitChain = GetFreeHitChain();
#if DEBUG
hitChain.debugEventPhase = CssBoxHitChain.dbugEventPhase.MouseMove;
#endif
hitChain.SetRootGlobalPosition(x, y);
BoxHitUtils.HitTest(startAt, x, y, hitChain);
SetEventOrigin(e, hitChain);
//---------------------------------------------------------
//propagate mouse drag
ForEachOnlyEventPortalBubbleUp(e, hitChain, (portal) =>
{
portal.PortalMouseMove(e);
return(true);
});
//---------------------------------------------------------
if (!e.CancelBubbling)
{
ClearPreviousSelection();
if (_latestMouseDownChain.Count > 0 && hitChain.Count > 0)
{
if (_htmlVisualRoot.LayoutVersion != _lastDomLayoutVersion)
{
//the dom has been changed so...
//need to evaluate hitchain at mousedown position again
int lastRootGlobalX = _latestMouseDownChain.RootGlobalX;
int lastRootGlobalY = _latestMouseDownChain.RootGlobalY;
_latestMouseDownChain.Clear();
_latestMouseDownChain.SetRootGlobalPosition(lastRootGlobalX, lastRootGlobalY);
BoxHitUtils.HitTest(_mouseDownStartAt, lastRootGlobalX, lastRootGlobalY, _latestMouseDownChain);
}
//create selection range
var newSelectionRange = new SelectionRange(
_latestMouseDownChain,
hitChain,
_textService);
if (newSelectionRange.IsValid)
{
_htmlVisualRoot.SetSelection(newSelectionRange);
}
else
{
_htmlVisualRoot.SetSelection(null);
}
}
else
{
_htmlVisualRoot.SetSelection(null);
}
ForEachEventListenerBubbleUp(e, hitChain, () =>
{
e.CurrentContextElement.ListenMouseMove(e);
return(true);
});
}
//---------------------------------------------------------
ReleaseHitChain(hitChain);
}
}
else
{
//mouse move
//---------------------------------------------------------
CssBoxHitChain hitChain = GetFreeHitChain();
#if DEBUG
hitChain.debugEventPhase = CssBoxHitChain.dbugEventPhase.MouseMove;
#endif
hitChain.SetRootGlobalPosition(x, y);
BoxHitUtils.HitTest(startAt, x, y, hitChain);
SetEventOrigin(e, hitChain);
//---------------------------------------------------------
ForEachOnlyEventPortalBubbleUp(e, hitChain, (portal) =>
{
portal.PortalMouseMove(e);
return(true);
});
//---------------------------------------------------------
if (!e.CancelBubbling)
{
ForEachEventListenerBubbleUp(e, hitChain, () =>
{
e.CurrentContextElement.ListenMouseMove(e);
return(true);
});
}
var cssbox = e.ExactHitObject as HtmlBoxes.CssBox;
if (cssbox != null)
{
switch (cssbox.CursorName)
{
case Css.CssCursorName.IBeam:
if (e.MouseCursorStyle != MouseCursorStyle.IBeam)
{
e.MouseCursorStyle = MouseCursorStyle.IBeam;
}
break;
case Css.CssCursorName.Hand:
case Css.CssCursorName.Pointer:
if (e.MouseCursorStyle != MouseCursorStyle.Pointer)
{
e.MouseCursorStyle = MouseCursorStyle.Pointer;
}
break;
case Css.CssCursorName.Default:
if (e.MouseCursorStyle != MouseCursorStyle.Default)
{
e.MouseCursorStyle = MouseCursorStyle.Default;
}
break;
}
}
else
{
var cssspan = e.ExactHitObject as HtmlBoxes.CssTextRun;
if (cssspan != null)
{
cssbox = cssspan.OwnerBox;
switch (cssbox.CursorName)
{
default:
e.MouseCursorStyle = MouseCursorStyle.IBeam;
break;
case Css.CssCursorName.Hand:
case Css.CssCursorName.Pointer:
if (e.MouseCursorStyle != MouseCursorStyle.Pointer)
{
e.MouseCursorStyle = MouseCursorStyle.Pointer;
}
break;
}
}
}
ReleaseHitChain(hitChain);
}
}
public void MouseMove(UIMouseEventArgs e, CssBox startAt)
{
if (!_isBinded)
{
return;
}
if (startAt == null)
{
return;
}
//-----------------------------------------
int x = e.X;
int y = e.Y;
if (e.IsDragging && _latestMouseDownChain != null)
{
//dragging *** , if changed
if (this._mousedownX != x || this._mousedownY != y)
{
//handle mouse drag
CssBoxHitChain hitChain = GetFreeHitChain();
hitChain.SetRootGlobalPosition(x, y);
BoxHitUtils.HitTest(startAt, x, y, hitChain);
SetEventOrigin(e, hitChain);
//---------------------------------------------------------
//propagate mouse drag
ForEachOnlyEventPortalBubbleUp(e, hitChain, (portal) =>
{
portal.PortalMouseMove(e);
return(true);
});
//---------------------------------------------------------
if (!e.CancelBubbling)
{
ClearPreviousSelection();
if (_latestMouseDownChain.Count > 0 && hitChain.Count > 0)
{
if (this._htmlContainer.LayoutVersion != this.lastDomLayoutVersion)
{
//the dom has been changed so...
//need to evaluate hitchain at mousedown position again
int lastRootGlobalX = _latestMouseDownChain.RootGlobalX;
int lastRootGlobalY = _latestMouseDownChain.RootGlobalY;
_latestMouseDownChain.Clear();
_latestMouseDownChain.SetRootGlobalPosition(lastRootGlobalX, lastRootGlobalY);
BoxHitUtils.HitTest(_mouseDownStartAt, lastRootGlobalX, lastRootGlobalY, _latestMouseDownChain);
}
//create selection range
var newSelectionRange = new SelectionRange(
_latestMouseDownChain,
hitChain,
this.ifonts);
if (newSelectionRange.IsValid)
{
this._htmlContainer.SetSelection(newSelectionRange);
}
else
{
this._htmlContainer.SetSelection(null);
}
}
else
{
this._htmlContainer.SetSelection(null);
}
ForEachEventListenerBubbleUp(e, hitChain, () =>
{
e.CurrentContextElement.ListenMouseMove(e);
return(true);
});
}
//---------------------------------------------------------
ReleaseHitChain(hitChain);
}
}
else
{
//mouse move
//---------------------------------------------------------
CssBoxHitChain hitChain = GetFreeHitChain();
hitChain.SetRootGlobalPosition(x, y);
BoxHitUtils.HitTest(startAt, x, y, hitChain);
SetEventOrigin(e, hitChain);
//---------------------------------------------------------
ForEachOnlyEventPortalBubbleUp(e, hitChain, (portal) =>
{
portal.PortalMouseMove(e);
return(true);
});
//---------------------------------------------------------
if (!e.CancelBubbling)
{
ForEachEventListenerBubbleUp(e, hitChain, () =>
{
e.CurrentContextElement.ListenMouseMove(e);
return(true);
});
}
ReleaseHitChain(hitChain);
}
}
void ReleaseHitChain(CssBoxHitChain hitChain)
{
hitChain.Clear();
this.hitChainPools.Push(hitChain);
}