public void MouseMove(DTkViewer dv, DPoint pt)
{
IGlyph glyph;
if (editingFirstHand)
{
firstHandAngle.Value = DGeom.AngleBetweenPoints(GetClockRect().Center, pt);
dv.Update(GetClockRect());
}
else if (editingSecondHand)
{
secondHandAngle.Value = DGeom.AngleBetweenPoints(GetClockRect().Center, pt);
dv.Update(GetClockRect());
}
else if (editing && HitTest(pt, null, out glyph) == DHitTest.Body)
dv.SetCursor(DCursor.Crosshair);
else
dv.SetCursor(DCursor.Default);
}
void DoTextEditMouseMove(DTkViewer dv, DPoint pt)
{
TextEditFigure tef = (TextEditFigure)currentFigure;
if (textEditMouseDown)
{
if (textEditChangeTextWrap)
{
dv.Update(GetBoundingBox(tef));
if (!tef.WrapText)
{
tef.WrapFontSize = tef.FontSize;
tef.WrapThreshold = tef.Width - tef.BorderWidth * 2;
tef.WrapText = true;
textEditDragWrapOffset = tef.X + tef.BorderWidth + tef.WrapLength - pt.X;
}
const int threshBase = 200;
tef.WrapThreshold = threshBase * ((pt.X - (tef.X + tef.BorderWidth) + textEditDragWrapOffset) /
(threshBase * tef.FontSize / tef.WrapFontSize));
dv.Update(GetBoundingBox(tef));
}
else if (textEditMove)
{
// bound pt to canvas
BoundPtToPage(pt);
// initial update rect
DRect updateRect = GetBoundingBox(tef);
// move text edit figure
tef.X += pt.X - dragPt.X;
tef.Y += pt.Y - dragPt.Y;
dragPt = pt;
// update
dv.Update(updateRect.Union(GetBoundingBox(tef)));
}
else
{
tef.SetCursorPoint(pt, true);
dv.Update(currentFigure.Rect);
}
}
else
{
IGlyph glyph;
if (currentFigure.HitTest(pt, null, out glyph) == DHitTest.Body)
{
if (tef.HitTestTextWrapHandle(pt))
dv.SetCursor(DCursor.MoveWE);
else if (tef.HitTestBorder(pt))
dv.SetCursor(DCursor.MoveAll);
else
dv.SetCursor(DCursor.IBeam);
}
else
DoSelectDefaultMouseMove(dv, pt);
}
}
void DoSelectDefaultMouseMove(DTkViewer dv, DPoint pt)
{
// set cursor
DHitTest hitTest;
List<Figure> children = new List<Figure>();
IGlyph glyph;
Figure f = figureHandler.HitTestFigures(pt, out hitTest, children, out glyph);
// set mouseover
if (f != null && !f.MouseOver)
{
f.MouseOver = true;
dv.Update(GetBoundingBox(f));
}
foreach (Figure otherFig in figureHandler.Figures)
if (otherFig != f && otherFig.MouseOver)
{
otherFig.MouseOver = false;
dv.Update(GetBoundingBox(otherFig));
}
// set cursor
switch (hitTest)
{
case DHitTest.None:
dv.SetCursor(DCursor.Default);
break;
case DHitTest.Body:
if (f.Locked)
dv.SetCursor(DCursor.Default);
else
dv.SetCursor(DCursor.MoveAll);
if (f.ClickEvent)
dv.SetCursor(DCursor.Hand);
else
foreach (Figure child in children)
if (child.ClickEvent)
{
dv.SetCursor(DCursor.Hand);
break;
}
break;
case DHitTest.SelectRect:
goto case DHitTest.Body;
case DHitTest.Resize:
dv.SetCursor(DCursor.MoveNWSE);
break;
case DHitTest.RepositionPoint:
goto case DHitTest.Resize;
case DHitTest.Rotate:
dv.SetCursor(DCursor.Rotate);
break;
case DHitTest.Context:
dv.SetCursor(DCursor.Hand);
break;
case DHitTest.Lock:
goto case DHitTest.Context;
case DHitTest.Glyph:
dv.SetCursor(glyph.Cursor);
break;
}
#if DEBUG
DoDebugMessage(string.Format("{0}, {1}", pt.X, pt.Y));
#endif
}
void DoSelectDefaultMouseUp(DTkViewer dv, DMouseButton btn, DPoint pt)
{
DHitTest hitTest;
List<Figure> children = new List<Figure>();
IGlyph glyph;
if (btn == DMouseButton.Left)
{
Figure f = figureHandler.HitTestFigures(pt, out hitTest, children, out glyph);
if (hitTest == DHitTest.Glyph)
{
if (children.Count > 0)
glyph.CallClicked(children[0], dv.EngineToClient(pt));
else
glyph.CallClicked(f, dv.EngineToClient(pt));
}
else if ((hitTest == DHitTest.Body || hitTest == DHitTest.SelectRect) && FigureClick != null)
{
foreach (Figure child in children)
if (child.ClickEvent)
FigureClick(null, child, dv.EngineToClient(pt));
if (f.ClickEvent)
FigureClick(null, f, dv.EngineToClient(pt));
if (FiguresDeselectOnSingleClick && !FigureSelectToggleToSelection)
{
figureHandler.SelectFigures(new List<Figure>(new Figure[] { f }), false);
dv.Update();
}
}
}
else if (btn == DMouseButton.Right)
{
Figure f = figureHandler.HitTestSelect(pt, out hitTest, null, out glyph, figureSelectToggleToSelection);
dv.SetCursor(DCursor.Default);
dv.Update();
if (ContextClick != null)
ContextClick(null, f, dv.EngineToClient(pt));
}
// nullify current figure for DoSelectDefault -> DHsmSignals.MouseMove:
currentFigure = null;
}
void DoDrawRectDefaultMouseMove(DTkViewer dv, DPoint pt)
{
// set cursor to draw
dv.SetCursor(DCursor.Crosshair);
}