/// <summary>
/// Pass mouse move to appropriate item
/// </summary>
/// <param name="e"></param>
public override bool OnMouseMove(VCItem sender, ItemMouseEventArgs e)
{
if (enabled || IsSelecting)
{
e.Cursor = Cursors.Cross;
if (IsSelecting)
{
// Record position
selEnd = SnapPoint(LimitMoveToPosition(e.Location));
// Redraw selection box
container.Invalidate();
}
else
{
// Record position
selStart = selEnd = SnapPoint(LimitMoveToPosition(e.Location));
// Redraw selection box
container.Invalidate();
}
return(true);
}
else
{
return(base.OnMouseMove(sender, e));
}
}
/// <summary>
/// End of selection
/// </summary>
/// <param name="e"></param>
public override bool OnMouseUp(VCItem sender, ItemMouseEventArgs e)
{
if (enabled || IsSelecting)
{
if (IsSelecting)
{
IsSelecting = false;
container.Invalidate();
if (RectangleSelected != null)
{
var bounds = SelectionBounds;
if (!bounds.IsEmpty)
{
RectangleSelected(this, new RectangleEventArgs(bounds.Round()));
}
}
}
return(true);
}
else
{
return(base.OnMouseUp(sender, e));
}
}
/// <summary>
/// Pass mouse up to appropriate item
/// </summary>
/// <param name="e"></param>
public override bool OnMouseUp(VCItem sender, ItemMouseEventArgs e)
{
var pt = e.Location;
if (mouseDownPlacement != null)
{
try
{
var localPt = mouseDownPlacement.ToLocal(pt);
return(mouseDownPlacement.Item.OnMouseUp(new ItemMouseEventArgs(e, localPt.X, localPt.Y)));
}
finally
{
mouseDownPlacement = null;
}
}
else
{
VCItemPlacement placement = null;
while ((placement = container.Items.Find(pt, placement)) != null)
{
var localPt = placement.ToLocal(pt);
if (placement.Item.OnMouseUp(new ItemMouseEventArgs(e, localPt.X, localPt.Y)))
{
return(true);
}
}
return(base.OnMouseUp(sender, e));
}
}
/// <summary>
/// Mouse move within this item
/// </summary>
/// <param name="e"></param>
/// <returns>True if the event was handled, false otherwise.</returns>
public virtual bool OnMouseMove(VCItem sender, ItemMouseEventArgs e)
{
if (next != null)
{
return(next.OnMouseMove(sender, e));
}
return(false);
}
/// <summary>
/// End of selection
/// </summary>
public override bool OnMouseUp(VCItem sender, ItemMouseEventArgs e)
{
if (manager.IsSelecting)
{
manager.Stop();
return(true);
}
return(base.OnMouseUp(sender, e));
}
/// <summary>
/// Default ctor
/// </summary>
public ItemMouseEventArgs(ItemMouseEventArgs source, float x, float y)
{
Button = source.Button;
Clicks = source.Clicks;
Delta = source.Delta;
X = x;
Y = y;
cursorController = source.cursorController;
}
/// <summary>
/// Mouse move within this item
/// </summary>
/// <param name="e"></param>
internal bool OnMouseMove(Handlers.ItemMouseEventArgs e)
{
bool result = false;
if (mouseHandler != null)
{
result |= mouseHandler.OnMouseMove(this, e);
}
return(result);
}
/// <summary>
/// End of resize
/// </summary>
/// <param name="e"></param>
public override bool OnMouseUp(VCItem sender, ItemMouseEventArgs e)
{
if (resizing)
{
resizing = false;
return(true);
}
else
{
return(base.OnMouseUp(sender, e));
}
}
/// <summary>
/// Mouse button up
/// </summary>
public override bool OnMouseUp(VCItem sender, ItemMouseEventArgs e)
{
if (zooming)
{
zooming = false;
var location = ZoomLayer.Local2Global(e.Location);
ContainsMouse = zoomArea.Contains(location);
ZoomLayer.Invalidate();
return(true);
}
return(base.OnMouseUp(sender, e));
}
/// <summary>
/// Handle mouse moves
/// </summary>
public override bool OnMouseMove(VCItem sender, ItemMouseEventArgs e)
{
var location = ZoomLayer.Local2Global(e.Location);
if (zooming)
{
ZoomLayer.ZoomFactor = GetZoomFactor(zoomArea, location);
return(true);
}
ContainsMouse = zoomArea.Contains(location);
return(base.OnMouseMove(sender, e));
}
/// <summary>
/// Pass mouse down to appropriate item
/// </summary>
public override bool OnMouseDown(VCItem sender, ItemMouseEventArgs e)
{
var location = ZoomLayer.Local2Global(e.Location);
if ((e.Button == MouseButtons.Left) && (zoomArea.Contains(location)))
{
zooming = true;
ContainsMouse = true;
ZoomLayer.ZoomFactor = GetZoomFactor(zoomArea, location);
return(true);
}
return(base.OnMouseDown(sender, e));
}
/// <summary>
/// Pass mouse down to appropriate item
/// </summary>
public override bool OnMouseDown(VCItem sender, ItemMouseEventArgs e)
{
if (e.Button != MouseButtons.Left)
{
// Pass event on
return(base.OnMouseDown(sender, e));
}
var pt = e.Location;
var clearSelection = (Control.ModifierKeys == Keys.None);
manager.Start(pt, clearSelection);
return(true);
}
/// <summary>
/// Pass mouse move to appropriate item
/// </summary>
public override bool OnMouseMove(VCItem sender, ItemMouseEventArgs e)
{
if (!manager.IsSelecting || (e.Button != MouseButtons.Left))
{
return(base.OnMouseMove(sender, e));
}
// Record position
var pt = e.Location;
manager.Extend(pt);
return(true);
}
/// <summary>
/// Pass mouse move to appropriate item
/// </summary>
/// <param name="e"></param>
public override bool OnMouseMove(VCItem sender, ItemMouseEventArgs e)
{
var pt = e.Location;
if (mouseDownPlacement != null)
{
// Mouse button down, always send events to same placement
var localPt = mouseDownPlacement.ToLocal(pt);
return(mouseDownPlacement.Item.OnMouseMove(new ItemMouseEventArgs(e, localPt.X, localPt.Y)));
}
else
{
VCItemPlacement placement = container.Items.Find(pt, null);
// Handle mouse leave
if ((mouseOverPlacement != null) && (mouseOverPlacement != placement))
{
mouseOverPlacement.Item.OnMouseLeave(EventArgs.Empty);
mouseOverPlacement = null;
}
while (placement != null)
{
// Convert point to local
var localPt = placement.ToLocal(pt);
// Handle mouse enter
if (mouseOverPlacement == null)
{
mouseOverPlacement = placement;
mouseOverPlacement.Item.OnMouseEnter(EventArgs.Empty);
}
// Send mouse move
mouseOverPlacement = placement;
if (placement.Item.OnMouseMove(new ItemMouseEventArgs(e, localPt.X, localPt.Y)))
{
return(true);
}
placement = container.Items.Find(pt, placement);
if ((placement != mouseOverPlacement) && (placement != null))
{
mouseOverPlacement.Item.OnMouseLeave(EventArgs.Empty);
mouseOverPlacement = null;
}
}
return(base.OnMouseMove(sender, e));
}
}
/// <summary>
/// End of move
/// </summary>
public override bool OnMouseUp(VCItem sender, ItemMouseEventArgs e)
{
if (movingPlacements == null)
{
return(base.OnMouseUp(sender, e));
}
foreach (var mPlacement in movingPlacements)
{
mPlacement.Commit(this);
}
movingPlacements = null;
container.Invalidate();
return(true);
}
/// <summary>
/// Pass mouse double click to appropriate item
/// </summary>
/// <param name="e"></param>
public override bool OnMouseDoubleClick(VCItem sender, ItemMouseEventArgs e)
{
var pt = e.Location;
VCItemPlacement placement = null;
while ((placement = container.Items.Find(pt, placement)) != null)
{
var localPt = placement.ToLocal(pt);
if (placement.Item.OnMouseDoubleClick(new ItemMouseEventArgs(e, localPt.X, localPt.Y)))
{
return(true);
}
}
return(base.OnMouseDoubleClick(sender, e));
}
/// <summary>
/// Pass mouse move to appropriate item
/// </summary>
/// <param name="e"></param>
public override bool OnMouseMove(VCItem sender, ItemMouseEventArgs e)
{
var pt = e.Location;
if (resizing)
{
var rect = CalcResizedBounds(startBounds, startMousePt, LimitMoveToPosition(pt), startSide);
Resize(activePlacement, rect);
container.Invalidate();
return(true);
}
else if (e.Button == MouseButtons.None)
{
VCItemPlacement placement = Find(pt, null);
// Can placement be resized?
if ((placement != null) && (placement != activePlacement) && !CanResize(placement))
{
// No, it cannot be resized
placement = null;
}
HitSide hitSide = HitSide.None;
if ((placement != null) || (activePlacement != null))
{
hitSide = CalcHitSide(placement, pt);
if (hitSide != HitSide.None)
{
e.Cursor = GetCursor(hitSide);
}
}
if (activePlacement != placement)
{
activePlacement = placement;
container.Invalidate();
}
if (hitSide != HitSide.None)
{
return(true);
}
}
return(base.OnMouseMove(sender, e));
}
/// <summary>
/// Pass mouse down to appropriate item
/// </summary>
/// <param name="e"></param>
public override bool OnMouseDown(VCItem sender, ItemMouseEventArgs e)
{
var pt = e.Location;
var placement = Find(pt, null);
// Can placement be resized?
if ((placement != null) && (placement != activePlacement) && !CanResize(placement))
{
// No, it cannot be resized
placement = null;
}
HitSide side = HitSide.None;
if (placement != null)
{
side = CalcHitSide(placement, pt);
if (side == HitSide.None)
{
placement = null;
}
}
if (placement != null)
{
activePlacement = placement;
startBounds = placement.Bounds;
startMousePt = pt;
startSide = side;
resizing = true;
container.Invalidate();
return(true);
}
else
{
// Pass event on
return(base.OnMouseDown(sender, e));
}
}
/// <summary>
/// Pass mouse move to appropriate item
/// </summary>
public override bool OnMouseMove(VCItem sender, ItemMouseEventArgs e)
{
if (movingPlacements == null)
{
return(base.OnMouseMove(sender, e));
}
var pt = e.Location;
var dx = pt.X - startMousePt.X;
var dy = pt.Y - startMousePt.Y;
foreach (var mPlacement in movingPlacements)
{
mPlacement.Move(dx, dy, this);
if (moveContents)
{
mPlacement.Commit(this);
}
}
container.Invalidate();
return(true);
}
/// <summary>
/// Pass mouse down to appropriate item
/// </summary>
public override bool OnMouseDown(VCItem sender, ItemMouseEventArgs e)
{
if (IsValidMoveButton(e.Button))
{
var pt = e.Location;
startMousePt = pt;
movingPlacements = null;
if (container.SelectedItems.Find(pt, CanMove) != null)
{
// Move all selected items
movingPlacements = container.SelectedItems.Where(CanMove).Select(x => new MovingPlacement(x)).ToList();
}
else
{
movingPlacements = null;
var placement = container.Items.Find(pt, null, CanMove);
if (placement != null)
{
// Move only 1 items
movingPlacements = new List <MovingPlacement> {
new MovingPlacement(placement)
};
}
}
if ((movingPlacements != null) && (movingPlacements.Count > 0))
{
// Begin of the move
return(true);
}
// Nothing to move
movingPlacements = null;
}
return(base.OnMouseDown(sender, e));
}
/// <summary>
/// Pass mouse down to appropriate item
/// </summary>
/// <param name="e"></param>
public override bool OnMouseDown(VCItem sender, ItemMouseEventArgs e)
{
if (enabled || IsSelecting)
{
e.Cursor = Cursors.Cross;
}
if (enabled)
{
if (e.Button == MouseButtons.Left)
{
var pt = SnapPoint(LimitMoveToPosition(e.Location));
selStart = pt;
selEnd = pt;
IsSelecting = true;
}
return(true);
}
else
{
// Pass event on
return(base.OnMouseDown(sender, e));
}
}
