//////////////////////////////////////////////////////////////////////////
private void OnMouseUp(object sender, MouseEventArgs e)
{
if (IsAdding)
{
CreateControl(ControlToAdd, AddingRect);
}
IsAdding = false;
IsResizing = false;
IsMoving = false;
CurrentSpot = null;
UndoPending = false;
UpdateScrollSize();
}
//////////////////////////////////////////////////////////////////////////
private void OnMouseDown(object sender, MouseEventArgs e)
{
if (Canvas == null)
{
return;
}
if (e.Button == MouseButtons.Right)
{
CancelResizeMove();
return;
}
if (e.Button == MouseButtons.Left)
{
if (IsAboutToAdd)
{
DeselectAll();
IsAboutToAdd = false;
IsAdding = true;
StartPoint = new Point(e.X, e.Y);
if (GridSize.Width > 0)
{
StartPoint.X -= ((StartPoint.X + Canvas.HorizontalScroll.Value) % GridSize.Width);
}
if (GridSize.Height > 0)
{
StartPoint.Y -= ((StartPoint.Y + Canvas.VerticalScroll.Value) % GridSize.Height);
}
AddingRect = Rectangle.Empty;
return;
}
CurrentSpot = null;
for (int i = HotSpots.Count - 1; i >= 0; i--)
{
HotSpot Spot = HotSpots[i];
if (Spot.Rect.Contains(new Point(e.X, e.Y)))
{
CurrentSpot = Spot;
break;
}
}
if (CurrentSpot != null && CurrentSpot.Owner != null)
{
bool IsControl = (Control.ModifierKeys & Keys.Control) == Keys.Control;
bool IsShift = (Control.ModifierKeys & Keys.Shift) == Keys.Shift;
if (CurrentSpot.IsResize() && e.Button == MouseButtons.Left)
{
UndoPending = true;
IsResizing = true;
}
else
{
if (IsControl || IsShift)
{
CurrentSpot.Owner.EditorSelected = !CurrentSpot.Owner.EditorSelected;
if (CurrentSpot.Owner.EditorSelected)
{
SetOrigPos(CurrentSpot.Owner);
}
}
else
{
if (!CurrentSpot.Owner.EditorSelected)
{
if (!(CurrentSpot.Owner is RectangleResizer))
{
DeselectAll();
}
CurrentSpot.Owner.EditorSelected = true;
SetOrigPos(CurrentSpot.Owner);
}
}
if (CurrentSpot.Owner.EditorSelected && e.Button == MouseButtons.Left)
{
if (RectResizer == null || RectResizer.Window != CurrentSpot.Owner as WUIWindow)
{
UndoPending = true;
IsMoving = true;
}
}
}
StartPoint = new Point(e.X, e.Y);
}
else
{
DeselectAll();
RectResizer = null;
}
RefreshTree(true);
// invoke selection changed
OnSelectionChanged(LayoutTree, new EventArgs());
}
}
//////////////////////////////////////////////////////////////////////////
private void OnMouseMove(object sender, MouseEventArgs e)
{
if (Canvas == null)
{
return;
}
if (IsAdding || IsAboutToAdd)
{
Canvas.Cursor = Cursors.Cross;
if (IsAdding)
{
Point EndPoint = new Point(e.X, e.Y);
if (GridSize.Width > 0)
{
EndPoint.X -= ((EndPoint.X + Canvas.HorizontalScroll.Value) % GridSize.Width);
}
if (GridSize.Height > 0)
{
EndPoint.Y -= ((EndPoint.Y + Canvas.VerticalScroll.Value) % GridSize.Height);
}
AddingRect = new Rectangle(StartPoint.X, StartPoint.Y, EndPoint.X - StartPoint.X, EndPoint.Y - StartPoint.Y);
UpdateScrollSize();
}
}
else if (IsMoving)
{
int MoveX = e.X - StartPoint.X;
int MoveY = e.Y - StartPoint.Y;
if (MoveX != 0 || MoveY != 0)
{
if (UndoPending)
{
SaveUndoState("Move control");
UndoPending = false;
}
foreach (IEditorResizable It in SelectedItems)
{
if (RectResizer != null && !(It is RectangleResizer))
{
continue;
}
// check if some of the parents is selected
if (It is WUIObject)
{
bool IsParentSelected = false;
WUIObject Parent = ((WUIObject)It).Parent;
while (Parent != null)
{
if (Parent.EditorSelected)
{
IsParentSelected = true;
break;
}
Parent = Parent.Parent;
}
if (IsParentSelected)
{
continue;
}
}
It.X = It.OrigRect.X + MoveX;
It.Y = It.OrigRect.Y + MoveY;
if (GridSize.Width > 0)
{
It.X -= (It.X % GridSize.Width);
}
if (GridSize.Height > 0)
{
It.Y -= (It.Y % GridSize.Height);
}
}
RefreshProps = true;
UpdateScrollSize();
}
}
else if (IsResizing)
{
int DeltaX = e.X - StartPoint.X;
int DeltaY = e.Y - StartPoint.Y;
if (DeltaX != 0 || DeltaY != 0)
{
if (UndoPending)
{
SaveUndoState("Resize control");
UndoPending = false;
}
foreach (IEditorResizable It in SelectedItems)
{
if (RectResizer != null && !(It is RectangleResizer))
{
continue;
}
bool ChangeX = false;
bool ChangeY = false;
bool ChangeWidth = false;
bool ChangeHeight = false;
switch (CurrentSpot.Type)
{
case HotSpot.HotSpotType.ResizeE:
It.Width = It.OrigRect.Width + DeltaX;
ChangeWidth = true;
break;
case HotSpot.HotSpotType.ResizeW:
It.X = It.OrigRect.X + DeltaX;
ChangeX = true;
It.Width = It.OrigRect.Width - DeltaX;
ChangeWidth = true;
break;
case HotSpot.HotSpotType.ResizeS:
It.Height = It.OrigRect.Height + DeltaY;
ChangeHeight = true;
break;
case HotSpot.HotSpotType.ResizeN:
It.Y = It.OrigRect.Y + DeltaY;
ChangeY = true;
It.Height = It.OrigRect.Height - DeltaY;
ChangeHeight = true;
break;
case HotSpot.HotSpotType.ResizeSE:
It.Width = It.OrigRect.Width + DeltaX;
ChangeWidth = true;
It.Height = It.OrigRect.Height + DeltaY;
ChangeHeight = true;
break;
case HotSpot.HotSpotType.ResizeSW:
It.X = It.OrigRect.X + DeltaX;
ChangeX = true;
It.Width = It.OrigRect.Width - DeltaX;
ChangeWidth = true;
It.Height = It.OrigRect.Height + DeltaY;
ChangeHeight = true;
break;
case HotSpot.HotSpotType.ResizeNE:
It.Width = It.OrigRect.Width + DeltaX;
ChangeWidth = true;
It.Y = It.OrigRect.Y + DeltaY;
ChangeY = true;
It.Height = It.OrigRect.Height - DeltaY;
ChangeHeight = true;
break;
case HotSpot.HotSpotType.ResizeNW:
It.X = It.OrigRect.X + DeltaX;
ChangeX = true;
It.Width = It.OrigRect.Width - DeltaX;
ChangeWidth = true;
It.Y = It.OrigRect.Y + DeltaY;
ChangeY = true;
It.Height = It.OrigRect.Height - DeltaY;
ChangeHeight = true;
break;
}
if (ChangeWidth)
{
int OrigWidth = It.Width;
if (GridSize.Width > 0)
{
It.Width -= It.Width % GridSize.Width;
It.Width = Math.Max(It.Width, GridSize.Width);
}
else
{
It.Width = Math.Max(It.Width, 10);
}
if (ChangeX)
{
It.X += OrigWidth - It.Width;
}
}
if (ChangeHeight)
{
int OrigHeight = It.Height;
if (GridSize.Height > 0)
{
It.Height -= It.Height % GridSize.Height;
It.Height = Math.Max(It.Height, GridSize.Height);
}
else
{
It.Width = Math.Max(It.Height, 10);
}
if (ChangeY)
{
It.Y += OrigHeight - It.Height;
}
}
}
RefreshProps = true;
UpdateScrollSize();
}
}
else
{
for (int i = HotSpots.Count - 1; i >= 0; i--)
{
HotSpot Spot = HotSpots[i];
if (Spot.Rect.Contains(new Point(e.X, e.Y)))
{
switch (Spot.Type)
{
case HotSpot.HotSpotType.Container:
Canvas.Cursor = Cursors.Default;
break;
case HotSpot.HotSpotType.Control:
Canvas.Cursor = Cursors.SizeAll;
break;
case HotSpot.HotSpotType.ResizeE:
case HotSpot.HotSpotType.ResizeW:
Canvas.Cursor = Cursors.SizeWE;
break;
case HotSpot.HotSpotType.ResizeN:
case HotSpot.HotSpotType.ResizeS:
Canvas.Cursor = Cursors.SizeNS;
break;
case HotSpot.HotSpotType.ResizeNE:
case HotSpot.HotSpotType.ResizeSW:
Canvas.Cursor = Cursors.SizeNESW;
break;
case HotSpot.HotSpotType.ResizeNW:
case HotSpot.HotSpotType.ResizeSE:
Canvas.Cursor = Cursors.SizeNWSE;
break;
}
return;
}
}
Canvas.Cursor = Cursors.Default;
}
}
//////////////////////////////////////////////////////////////////////////
private void OnMouseUp(object sender, MouseEventArgs e)
{
if (IsAdding)
{
CreateControl(ControlToAdd, AddingRect);
}
IsAdding = false;
IsResizing = false;
IsMoving = false;
CurrentSpot = null;
UndoPending = false;
UpdateScrollSize();
}
//////////////////////////////////////////////////////////////////////////
private void OnMouseDown(object sender, MouseEventArgs e)
{
if (Canvas == null) return;
if(e.Button==MouseButtons.Right)
{
CancelResizeMove();
return;
}
if (e.Button == MouseButtons.Left)
{
if (IsAboutToAdd)
{
DeselectAll();
IsAboutToAdd = false;
IsAdding = true;
StartPoint = new Point(e.X, e.Y);
if (GridSize.Width > 0)
StartPoint.X -= ((StartPoint.X + Canvas.HorizontalScroll.Value) % GridSize.Width);
if (GridSize.Height > 0)
StartPoint.Y -= ((StartPoint.Y + Canvas.VerticalScroll.Value) % GridSize.Height);
AddingRect = Rectangle.Empty;
return;
}
CurrentSpot = null;
for (int i = HotSpots.Count - 1; i >= 0; i--)
{
HotSpot Spot = HotSpots[i];
if (Spot.Rect.Contains(new Point(e.X, e.Y)))
{
CurrentSpot = Spot;
break;
}
}
if (CurrentSpot != null && CurrentSpot.Owner != null)
{
bool IsControl = (Control.ModifierKeys & Keys.Control) == Keys.Control;
bool IsShift = (Control.ModifierKeys & Keys.Shift) == Keys.Shift;
if (CurrentSpot.IsResize() && e.Button == MouseButtons.Left)
{
UndoPending = true;
IsResizing = true;
}
else
{
if (IsControl || IsShift)
{
CurrentSpot.Owner.EditorSelected = !CurrentSpot.Owner.EditorSelected;
if (CurrentSpot.Owner.EditorSelected) SetOrigPos(CurrentSpot.Owner);
}
else
{
if (!CurrentSpot.Owner.EditorSelected)
{
if (!(CurrentSpot.Owner is RectangleResizer)) DeselectAll();
CurrentSpot.Owner.EditorSelected = true;
SetOrigPos(CurrentSpot.Owner);
}
}
if (CurrentSpot.Owner.EditorSelected && e.Button == MouseButtons.Left)
{
if (RectResizer == null || RectResizer.Window != CurrentSpot.Owner as WUIWindow)
{
UndoPending = true;
IsMoving = true;
}
}
}
StartPoint = new Point(e.X, e.Y);
}
else
{
DeselectAll();
RectResizer = null;
}
RefreshTree(true);
// invoke selection changed
OnSelectionChanged(LayoutTree, new EventArgs());
}
}