private void PaneSplitter_BeginDrag(Point ptSplitter)
{
m_splitterLocation = DragControl.Parent.PointToScreen(ptSplitter);
Point ptMouse = StartMousePosition;
m_mouseOffset.X = m_splitterLocation.X - ptMouse.X;
m_mouseOffset.Y = m_splitterLocation.Y - ptMouse.Y;
Rectangle rect = GetPaneSplitterDragRectangle();
DragOutline = DrawHelper.CreateDragOutline(rect, OutlineBorderWidth);
}
private void Pane_OnDragging()
{
Point ptMouse = Control.MousePosition;
DockPane pane = (DockPane)DragControl;
if (!TestDrop(ptMouse))
{
return;
}
if (DropTarget.DropTo == null)
{
if (IsDockStateValid(DockState.Float))
{
Point location = new Point(ptMouse.X + m_mouseOffset.X, ptMouse.Y + m_mouseOffset.Y);
Size size;
if (pane.FloatWindow == null)
{
size = FloatWindow.DefaultWindowSize;
}
else if (pane.FloatWindow.DisplayingList.Count == 1)
{
size = pane.FloatWindow.Size;
}
else
{
size = FloatWindow.DefaultWindowSize;
}
if (ptMouse.X > location.X + size.Width)
{
location.X += ptMouse.X - (location.X + size.Width) + OutlineBorderWidth;
}
Rectangle rect = new Rectangle(location, size);
DragOutline = DrawHelper.CreateDragOutline(rect, OutlineBorderWidth);
}
else
{
DragOutline = null;
}
}
if (DragOutline == null)
{
User32.SetCursor(Cursors.No.Handle);
}
else
{
User32.SetCursor(DragControl.Cursor.Handle);
}
}
private void FloatWindow_OnDragging()
{
Point ptMouse = Control.MousePosition;
if (!TestDrop(ptMouse))
{
return;
}
if (DropTarget.DropTo == null)
{
Rectangle rect = DragControl.Bounds;
rect.X = ptMouse.X + m_mouseOffset.X;
rect.Y = ptMouse.Y + m_mouseOffset.Y;
DragOutline = DrawHelper.CreateDragOutline(rect, OutlineBorderWidth);
}
}
internal void TestDrop(DragHandler dragHandler, Point pt)
{
if (DockArea.Width <= 0 || DockArea.Height <= 0)
{
return;
}
Point ptClient = PointToClient(pt);
int dragSize = MeasurePane.DragSize;
Rectangle rectDoc = DocumentRectangle;
if (ptClient.Y - rectDoc.Top >= 0 && ptClient.Y - rectDoc.Top < dragSize &&
DockWindows[DockState.DockTop].DisplayingList.Count == 0 &&
dragHandler.IsDockStateValid(DockState.DockTop))
{
dragHandler.DropTarget.SetDropTarget(this, DockStyle.Top);
}
else if (rectDoc.Bottom - ptClient.Y >= 0 && rectDoc.Bottom - ptClient.Y < dragSize &&
DockWindows[DockState.DockBottom].DisplayingList.Count == 0 &&
dragHandler.IsDockStateValid(DockState.DockBottom))
{
dragHandler.DropTarget.SetDropTarget(this, DockStyle.Bottom);
}
else if (rectDoc.Right - ptClient.X >= 0 && rectDoc.Right - ptClient.X < dragSize &&
DockWindows[DockState.DockRight].DisplayingList.Count == 0 &&
dragHandler.IsDockStateValid(DockState.DockRight))
{
dragHandler.DropTarget.SetDropTarget(this, DockStyle.Right);
}
else if (ptClient.X - rectDoc.Left >= 0 && ptClient.X - rectDoc.Left < dragSize &&
DockWindows[DockState.DockLeft].DisplayingList.Count == 0 &&
dragHandler.IsDockStateValid(DockState.DockLeft))
{
dragHandler.DropTarget.SetDropTarget(this, DockStyle.Left);
}
else if (((ptClient.Y - rectDoc.Top >= dragSize && ptClient.Y - rectDoc.Top < 2 * dragSize) ||
(rectDoc.Bottom - ptClient.Y >= dragSize && rectDoc.Bottom - ptClient.Y < 2 * dragSize) ||
(rectDoc.Right - ptClient.X >= dragSize && rectDoc.Right - ptClient.X < 2 * dragSize) ||
(ptClient.X - rectDoc.Left >= dragSize && ptClient.X - rectDoc.Left < 2 * dragSize)) &&
DockWindows[DockState.Document].DisplayingList.Count == 0 &&
dragHandler.IsDockStateValid(DockState.Document))
{
dragHandler.DropTarget.SetDropTarget(this, DockStyle.Fill);
}
else
{
return;
}
if (dragHandler.DropTarget.SameAsOldValue)
{
return;
}
Rectangle rect = DockArea;
if (dragHandler.DropTarget.Dock == DockStyle.Top)
{
rect.Height = (int)(DockArea.Height * DockTopPortion);
}
else if (dragHandler.DropTarget.Dock == DockStyle.Bottom)
{
rect.Height = (int)(DockArea.Height * DockBottomPortion);
rect.Y = DockArea.Bottom - rect.Height;
}
else if (dragHandler.DropTarget.Dock == DockStyle.Left)
{
rect.Width = (int)(DockArea.Width * DockLeftPortion);
}
else if (dragHandler.DropTarget.Dock == DockStyle.Right)
{
rect.Width = (int)(DockArea.Width * DockRightPortion);
rect.X = DockArea.Right - rect.Width;
}
else if (dragHandler.DropTarget.Dock == DockStyle.Fill)
{
rect = DocumentRectangle;
}
rect.Location = PointToScreen(rect.Location);
dragHandler.DragOutline = DrawHelper.CreateDragOutline(rect, dragSize);
}
private void PaneSplitter_OnDragging()
{
Rectangle rect = GetPaneSplitterDragRectangle();
DragOutline = DrawHelper.CreateDragOutline(rect, OutlineBorderWidth);
}
private void AutoHideWindowSplitter_OnDragging()
{
Rectangle rect = GetWindowSplitterDragRectangle();
DragOutline = DrawHelper.CreateDragOutline(rect, OutlineBorderWidth);
}
