private void SetOutline(DockPane pane, DockStyle dock, int contentIndex)
{
if (dock != DockStyle.Fill)
{
Rectangle rect = pane.DisplayingRectangle;
if (dock == DockStyle.Right)
{
rect.X += rect.Width / 2;
}
if (dock == DockStyle.Bottom)
{
rect.Y += rect.Height / 2;
}
if (dock == DockStyle.Left || dock == DockStyle.Right)
{
rect.Width -= rect.Width / 2;
}
if (dock == DockStyle.Top || dock == DockStyle.Bottom)
{
rect.Height -= rect.Height / 2;
}
rect.Location = pane.PointToScreen(rect.Location);
SetDragForm(rect);
}
else if (contentIndex == -1)
{
Rectangle rect = pane.DisplayingRectangle;
rect.Location = pane.PointToScreen(rect.Location);
SetDragForm(rect);
}
else
{
using (GraphicsPath path = pane.TabStripControl.GetOutlinePath(contentIndex))
{
RectangleF rectF = path.GetBounds();
Rectangle rect = new Rectangle((int)rectF.X, (int)rectF.Y, (int)rectF.Width, (int)rectF.Height);
using (Matrix matrix = new Matrix(rect, new Point[] { new Point(0, 0), new Point(rect.Width, 0), new Point(0, rect.Height) }))
{
path.Transform(matrix);
}
Region region = new Region(path);
SetDragForm(rect, region);
}
}
}
private void Content_BeginDrag(IDockableWindow content)
{
DockPane pane = content.DockHandler.Pane;
Rectangle rectPane = pane.ClientRectangle;
Point pt;
if (pane.DockState == DockState.Document)
{
pt = new Point(rectPane.Left, rectPane.Top);
}
else
{
pt = new Point(rectPane.Left, rectPane.Bottom);
}
pt = pane.PointToScreen(pt);
_mouseOffset.X = pt.X - StartMousePosition.X;
_mouseOffset.Y = pt.Y - StartMousePosition.Y;
}
/// <exclude />
protected internal override GraphicsPath GetOutlinePath(int index)
{
Point[] pts = new Point[8];
if (Appearance == DockPane.AppearanceStyle.Document)
{
Rectangle rectTab = GetTabRectangle(index);
rectTab.Intersect(TabsRectangle);
int y = DockPane.PointToClient(PointToScreen(new Point(0, rectTab.Bottom))).Y;
Rectangle rectPaneClient = DockPane.ClientRectangle;
pts[0] = DockPane.PointToScreen(new Point(rectPaneClient.Left, y));
pts[1] = PointToScreen(new Point(rectTab.Left, rectTab.Bottom));
pts[2] = PointToScreen(new Point(rectTab.Left, rectTab.Top));
pts[3] = PointToScreen(new Point(rectTab.Right, rectTab.Top));
pts[4] = PointToScreen(new Point(rectTab.Right, rectTab.Bottom));
pts[5] = DockPane.PointToScreen(new Point(rectPaneClient.Right, y));
pts[6] = DockPane.PointToScreen(new Point(rectPaneClient.Right, rectPaneClient.Bottom));
pts[7] = DockPane.PointToScreen(new Point(rectPaneClient.Left, rectPaneClient.Bottom));
}
else
{
Rectangle rectTab = GetTabRectangle(index);
rectTab.Intersect(TabsRectangle);
int y = DockPane.PointToClient(PointToScreen(new Point(0, rectTab.Top))).Y;
Rectangle rectPaneClient = DockPane.ClientRectangle;
pts[0] = DockPane.PointToScreen(new Point(rectPaneClient.Left, rectPaneClient.Top));
pts[1] = DockPane.PointToScreen(new Point(rectPaneClient.Right, rectPaneClient.Top));
pts[2] = DockPane.PointToScreen(new Point(rectPaneClient.Right, y));
pts[3] = PointToScreen(new Point(rectTab.Right, rectTab.Top));
pts[4] = PointToScreen(new Point(rectTab.Right, rectTab.Bottom));
pts[5] = PointToScreen(new Point(rectTab.Left, rectTab.Bottom));
pts[6] = PointToScreen(new Point(rectTab.Left, rectTab.Top));
pts[7] = DockPane.PointToScreen(new Point(rectPaneClient.Left, y));
}
GraphicsPath path = new GraphicsPath();
path.AddLines(pts);
return(path);
}
private void RefreshChanges()
{
Region region = new Region(Rectangle.Empty);
Rectangle rectDockArea = FullPanelEdge ? DockPanel.DockArea : DockPanel.DocumentWindowBounds;
rectDockArea.Location = DockPanel.PointToScreen(rectDockArea.Location);
if (ShouldPanelIndicatorVisible(DockState.DockLeft))
{
PanelLeft.Location = new Point(rectDockArea.X + _PanelIndicatorMargin, rectDockArea.Y + (rectDockArea.Height - PanelRight.Height) / 2);
PanelLeft.Visible = true;
region.Union(PanelLeft.Bounds);
}
else
{
PanelLeft.Visible = false;
}
if (ShouldPanelIndicatorVisible(DockState.DockRight))
{
PanelRight.Location = new Point(rectDockArea.X + rectDockArea.Width - PanelRight.Width - _PanelIndicatorMargin, rectDockArea.Y + (rectDockArea.Height - PanelRight.Height) / 2);
PanelRight.Visible = true;
region.Union(PanelRight.Bounds);
}
else
{
PanelRight.Visible = false;
}
if (ShouldPanelIndicatorVisible(DockState.DockTop))
{
PanelTop.Location = new Point(rectDockArea.X + (rectDockArea.Width - PanelTop.Width) / 2, rectDockArea.Y + _PanelIndicatorMargin);
PanelTop.Visible = true;
region.Union(PanelTop.Bounds);
}
else
{
PanelTop.Visible = false;
}
if (ShouldPanelIndicatorVisible(DockState.DockBottom))
{
PanelBottom.Location = new Point(rectDockArea.X + (rectDockArea.Width - PanelBottom.Width) / 2, rectDockArea.Y + rectDockArea.Height - PanelBottom.Height - _PanelIndicatorMargin);
PanelBottom.Visible = true;
region.Union(PanelBottom.Bounds);
}
else
{
PanelBottom.Visible = false;
}
if (ShouldPanelIndicatorVisible(DockState.Document))
{
Rectangle rectDocumentWindow = DockPanel.DocumentWindowBounds;
rectDocumentWindow.Location = DockPanel.PointToScreen(rectDocumentWindow.Location);
PanelFill.Location = new Point(rectDocumentWindow.X + (rectDocumentWindow.Width - PanelFill.Width) / 2, rectDocumentWindow.Y + (rectDocumentWindow.Height - PanelFill.Height) / 2);
PanelFill.Visible = true;
region.Union(PanelFill.Bounds);
}
else
{
PanelFill.Visible = false;
}
if (ShouldPaneDiamondVisible())
{
Rectangle rect = DockPane.ClientRectangle;
rect.Location = DockPane.PointToScreen(rect.Location);
PaneDiamond.Location = new Point(rect.Left + (rect.Width - PaneDiamond.Width) / 2, rect.Top + (rect.Height - PaneDiamond.Height) / 2);
PaneDiamond.Visible = true;
using (GraphicsPath graphicsPath = PaneDiamond.DisplayingGraphicsPath.Clone() as GraphicsPath)
{
Point[] pts = new Point[]
{
new Point(PaneDiamond.Left, PaneDiamond.Top),
new Point(PaneDiamond.Right, PaneDiamond.Top),
new Point(PaneDiamond.Left, PaneDiamond.Bottom)
};
using (Matrix matrix = new Matrix(PaneDiamond.ClientRectangle, pts))
{
graphicsPath.Transform(matrix);
}
region.Union(graphicsPath);
}
}
else
{
PaneDiamond.Visible = false;
}
Region = region;
}