void DesignerPanel_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
IUISelectionService selectionServ = this.DesignedControl.Site.GetService(typeof(IUISelectionService)) as IUISelectionService;
if (selectionServ == null)
{
return;
}
selectionServ.SetCursor(e.X, e.Y);
if (_mouseDown)
{
if (_firstMove)
{
selectionServ.MouseDragBegin(this.DesignerPanel, e.X, e.Y);
_firstMove = false;
}
else
{
selectionServ.MouseDragMove(e.X, e.Y);
}
}
else if (selectionServ.SelectionInProgress)
{
selectionServ.MouseDragMove(e.X, e.Y);
}
}
protected override void OnMouseDragBegin(int x, int y)
{
// do not call base here because the behaviour is specific for the ControlDesgner (does IUISelectionService.DragBegin)
//
IUISelectionService selectionServ = this.GetService(typeof(IUISelectionService)) as IUISelectionService;
if (selectionServ != null)
{
// once ControlDesigner.MouseDragBegin is fired this will start getting dragover events.
//
Point location = new Point(x, y);
IDesignerHost host = GetService(typeof(IDesignerHost)) as IDesignerHost;
if (base.MouseButtonDown == MouseButtons.Middle && host != null && host.RootComponent != this.Control)
{
location = this.Control.Parent.PointToClient(this.Control.PointToScreen(new Point(x, y)));
// I have to do this, because I get DragOver events fired for the control I am actually dragging
//
this.Control.AllowDrop = false;
selectionServ.DragBegin();
}
else
{
selectionServ.MouseDragBegin(this.Control, location.X, location.Y);
}
}
}
void DesignerPanel_Paint(object sender, PaintEventArgs e)
{
IUISelectionService selectionServ = this.DesignedControl.Site.GetService(typeof(IUISelectionService)) as IUISelectionService;
if (selectionServ != null)
{
selectionServ.PaintAdornments(this.DesignerPanel, e.Graphics);
}
}
protected virtual void OnMouseDragBegin(int x, int y)
{
IUISelectionService selectionServ = this.GetService(typeof(IUISelectionService)) as IUISelectionService;
if (selectionServ != null && ((this.SelectionRules & SelectionRules.Moveable) == SelectionRules.Moveable))
{
// once this is fired the parent control (parentcontroldesigner) will start getting dragover events.
//
selectionServ.DragBegin();
}
}
internal override void OnMouseMove(int x, int y)
{
IUISelectionService uiSelection = this.GetService(typeof(IUISelectionService)) as IUISelectionService;
if (uiSelection != null)
{
uiSelection.SetCursor(x, y);
}
base.OnMouseMove(x, y);
}
protected override void OnMouseDragEnd(bool cancel)
{
IUISelectionService selectionServ = this.GetService(typeof(IUISelectionService)) as IUISelectionService;
if (selectionServ != null)
{
if (selectionServ.SelectionInProgress || selectionServ.ResizeInProgress)
{
selectionServ.MouseDragEnd(cancel);
}
}
}
protected override void OnDragDrop(DragEventArgs e)
{
IUISelectionService selectionServ = this.GetService(typeof(IUISelectionService)) as IUISelectionService;
if (selectionServ != null)
{
// once this is fired the parent control (parentcontroldesigner) will start getting dragover events.
//
Point location = this.SnapPointToGrid(this.Control.PointToClient(new Point(e.X, e.Y)));
selectionServ.DragDrop(false, this.Control, location.X, location.Y);
}
}
private void InitializeSelectionService ()
{
IUISelectionService guiSelectionService = this.GetService (typeof (IUISelectionService)) as IUISelectionService;
if (guiSelectionService == null)
{
IServiceContainer serviceContainer = this.GetService (typeof (IServiceContainer)) as IServiceContainer;
serviceContainer.AddService (typeof (IUISelectionService), (IUISelectionService) new UISelectionService (serviceContainer));
}
ISelectionService selectionService = this.GetService (typeof (ISelectionService)) as ISelectionService;
selectionService.SetSelectedComponents (new IComponent[] { this.Component });
}
protected override void OnDragOver(DragEventArgs e)
{
IUISelectionService selectionServ = this.GetService(typeof(IUISelectionService)) as IUISelectionService;
if (selectionServ != null)
{
// once ControlDesigner.MouseDragBegin is fired this will start getting dragover events.
//
Point location = this.SnapPointToGrid(this.Control.PointToClient(new Point(e.X, e.Y)));
selectionServ.DragOver(this.Control, location.X, location.Y);
}
e.Effect = DragDropEffects.Move;
}
void DesignerPanel_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{
IUISelectionService selectionServ = this.DesignedControl.Site.GetService (typeof (IUISelectionService)) as IUISelectionService;
if (_mouseDown)
{
if (selectionServ != null)
selectionServ.MouseDragEnd (false);
_mouseDown = false;
}
else if (selectionServ.SelectionInProgress)
{
selectionServ.MouseDragEnd (false);
}
}
protected override void OnMouseDragMove(int x, int y)
{
IUISelectionService selectionServ = this.GetService(typeof(IUISelectionService)) as IUISelectionService;
if (selectionServ != null)
{
Point location = new Point(x, y);
if (!selectionServ.SelectionInProgress)
{
location = this.SnapPointToGrid(new Point(x, y));
}
selectionServ.MouseDragMove(location.X, location.Y);
}
}
// Draws the design-time grid if DrawGrid == true
//
protected override void OnPaintAdornments(PaintEventArgs pe)
{
base.OnPaintAdornments(pe);
bool drawGrid;
Size gridSize;
// in case WM_PAINT is received before the IDesignerFilter is invoked to add
// those properties.
try
{
drawGrid = (bool)GetValue(this.Component, "DrawGrid");
}
catch
{
drawGrid = this.DrawGrid;
}
try
{
gridSize = (Size)GetValue(this.Component, "GridSize");
}
catch
{
gridSize = this.GridSize;
}
if (drawGrid)
{
GraphicsState state = pe.Graphics.Save();
pe.Graphics.TranslateTransform(this.Control.ClientRectangle.X,
this.Control.ClientRectangle.Y);
ControlPaint.DrawGrid(pe.Graphics, this.Control.ClientRectangle, gridSize, this.Control.BackColor);
pe.Graphics.Restore(state);
}
IUISelectionService selection = this.GetService(typeof(IUISelectionService)) as IUISelectionService;
if (selection != null)
{
selection.PaintAdornments(this.Control, pe.Graphics);
}
}
internal virtual void OnMouseDown(int x, int y)
{
_mouseDown = true;
_mouseDownFirstMove = true;
IUISelectionService uiSelection = this.GetService(typeof(IUISelectionService)) as IUISelectionService;
if (uiSelection != null && uiSelection.AdornmentsHitTest(this.Control, x, y))
{
// 1) prevent primary selection from being changed at this point.
// 2) delegate behaviour in the future to the IUISelectionService
}
else
{
ISelectionService selectionService = this.GetService(typeof(ISelectionService)) as ISelectionService;
if (selectionService != null)
{
selectionService.SetSelectedComponents(new IComponent[] { this.Component });
}
}
}
protected override void OnMouseDragEnd(bool cancel)
{
IUISelectionService selectionServ = this.GetService(typeof(IUISelectionService)) as IUISelectionService;
if (selectionServ != null)
{
// If there is a Toolbox component seleted then create it instead of finishing the selection
IToolboxService toolBoxService = this.GetService(typeof(IToolboxService)) as IToolboxService;
if (!cancel && toolBoxService != null && toolBoxService.GetSelectedToolboxItem() != null)
{
if (selectionServ.SelectionInProgress)
{
bool hasSize = selectionServ.SelectionBounds.Width > 0 &&
selectionServ.SelectionBounds.Height > 0;
CreateToolCore(toolBoxService.GetSelectedToolboxItem(),
selectionServ.SelectionBounds.X,
selectionServ.SelectionBounds.Y,
selectionServ.SelectionBounds.Width,
selectionServ.SelectionBounds.Height,
true, hasSize);
toolBoxService.SelectedToolboxItemUsed();
cancel = true;
}
else if (!selectionServ.SelectionInProgress &&
!selectionServ.ResizeInProgress && !selectionServ.DragDropInProgress)
{
CreateTool(toolBoxService.GetSelectedToolboxItem(), _mouseDownPoint);
toolBoxService.SelectedToolboxItemUsed();
cancel = true;
}
}
if (selectionServ.SelectionInProgress || selectionServ.ResizeInProgress)
{
selectionServ.MouseDragEnd(cancel);
}
}
}
internal virtual void OnMouseUp()
{
IUISelectionService uiSelection = this.GetService(typeof(IUISelectionService)) as IUISelectionService;
if (_mouseDown)
{
this.OnMouseDragEnd(false);
if (uiSelection != null && (uiSelection.SelectionInProgress || uiSelection.ResizeInProgress))
{
uiSelection.MouseDragEnd(false);
}
_mouseDown = false;
}
else
{
if (uiSelection != null && (uiSelection.SelectionInProgress || uiSelection.ResizeInProgress))
{
// If the mouse up happens over the a control which is not defacto participating in
// the selection or resizing in progress, then inform the IUISelectionService of that event
//
uiSelection.MouseDragEnd(false);
}
}
}
// Keep in mind that messages are recieved for the child controls if routed
//
protected virtual void WndProc(ref Message m)
{
// Filter out kb input
//
if ((Native.Msg)m.Msg >= Native.Msg.WM_KEYFIRST && (Native.Msg)m.Msg <= Native.Msg.WM_KEYLAST)
{
return;
}
// Mouse messages should be routed the control, if GetHitTest (virtual) returns true.
//
if (IsMouseMessage((Native.Msg)m.Msg) &&
this.GetHitTest(new Point(Native.LoWord((int)m.LParam), Native.HiWord(((int)m.LParam)))))
{
this.DefWndProc(ref m);
return;
}
switch ((Native.Msg)m.Msg)
{
case Native.Msg.WM_CREATE:
this.DefWndProc(ref m);
if (m.HWnd == this.Control.Handle)
{
OnCreateHandle();
}
break;
case Native.Msg.WM_CONTEXTMENU:
OnContextMenu(Native.LoWord((int)m.LParam), Native.HiWord((int)m.LParam));
break;
case Native.Msg.WM_SETCURSOR:
if (this.GetHitTest(new Point(Native.LoWord((int)m.LParam), Native.HiWord((int)m.LParam))))
{
this.DefWndProc(ref m);
}
else
{
OnSetCursor();
}
break;
case Native.Msg.WM_SETFOCUS:
this.DefWndProc(ref m);
break;
case Native.Msg.WM_PAINT:
// Wait for control's WM_PAINT to complete first.
//
this.DefWndProc(ref m);
Graphics gfx = Graphics.FromHwnd(m.HWnd);
PaintEventArgs args = new PaintEventArgs(gfx, this.Control.Bounds);
OnPaintAdornments(args);
gfx.Dispose();
args.Dispose();
break;
case Native.Msg.WM_NCRBUTTONDOWN:
case Native.Msg.WM_NCLBUTTONDOWN:
case Native.Msg.WM_NCMBUTTONDOWN:
case Native.Msg.WM_NCLBUTTONDBLCLK:
case Native.Msg.WM_NCRBUTTONDBLCLK:
break;
case Native.Msg.WM_LBUTTONDBLCLK:
case Native.Msg.WM_RBUTTONDBLCLK:
case Native.Msg.WM_MBUTTONDBLCLK:
if ((Native.Msg)m.Msg == Native.Msg.WM_LBUTTONDBLCLK)
{
_mouseButtonDown = MouseButtons.Left;
}
else if ((Native.Msg)m.Msg == Native.Msg.WM_RBUTTONDBLCLK)
{
_mouseButtonDown = MouseButtons.Right;
}
else if ((Native.Msg)m.Msg == Native.Msg.WM_MBUTTONDBLCLK)
{
_mouseButtonDown = MouseButtons.Middle;
}
OnMouseDoubleClick();
this.BaseWndProc(ref m);
break;
case Native.Msg.WM_MOUSEHOVER:
OnMouseHover();
break;
case Native.Msg.WM_LBUTTONDOWN:
case Native.Msg.WM_RBUTTONDOWN:
case Native.Msg.WM_MBUTTONDOWN:
_mouseMoveAfterMouseDown = true;
if ((Native.Msg)m.Msg == Native.Msg.WM_LBUTTONDOWN)
{
_mouseButtonDown = MouseButtons.Left;
}
else if ((Native.Msg)m.Msg == Native.Msg.WM_RBUTTONDOWN)
{
_mouseButtonDown = MouseButtons.Right;
}
else if ((Native.Msg)m.Msg == Native.Msg.WM_MBUTTONDOWN)
{
_mouseButtonDown = MouseButtons.Middle;
}
if (_firstMouseMoveInClient)
{
OnMouseEnter();
_firstMouseMoveInClient = false;
}
this.OnMouseDown(Native.LoWord((int)m.LParam), Native.HiWord((int)m.LParam));
this.BaseWndProc(ref m);
break;
case Native.Msg.WM_MOUSELEAVE:
_firstMouseMoveInClient = false;
OnMouseLeave();
this.BaseWndProc(ref m);
break;
// The WM_CANCELMODE message is sent to cancel certain modes, such as mouse capture.
// For example, the system sends this message to the active window when a dialog box
// or message box is displayed. Certain functions also send this message explicitly to
// the specified window regardless of whether it is the active window. For example,
// the EnableWindow function sends this message when disabling the specified window.
//
case Native.Msg.WM_CANCELMODE:
OnMouseDragEnd(true);
this.DefWndProc(ref m);
break;
case Native.Msg.WM_LBUTTONUP:
case Native.Msg.WM_RBUTTONUP:
case Native.Msg.WM_NCLBUTTONUP:
case Native.Msg.WM_NCRBUTTONUP:
case Native.Msg.WM_MBUTTONUP:
case Native.Msg.WM_NCMBUTTONUP:
_mouseMoveAfterMouseDown = false; // just in case
this.OnMouseUp();
this.BaseWndProc(ref m);
break;
// // MWF Specific msg! - must reach control
// //
// case Native.Msg.WM_MOUSE_ENTER:
// _firstMouseMoveInClient = false; // just so that nothing will get fired in WM_MOUSEMOVE
// OnMouseEnter ();
// this.DefWndProc (ref m);
// break;
// FIXME: The first MOUSEMOVE after WM_MOUSEDOWN should be ingored
//
case Native.Msg.WM_MOUSEMOVE:
if (_mouseMoveAfterMouseDown) // mousemove is send after each mousedown so ignore that
{
_mouseMoveAfterMouseDown = false;
this.BaseWndProc(ref m);
return;
}
// If selection is in progress pass the mouse move msg to the primary selection.
// If resizing is in progress pass to the parent of the primary selection (remmember that the selection
// frame is not a control and is drawn in the parent of the primary selection).
//
// Required in order for those 2 operations to continue when the mouse is moving over a control covering
// the one where the action takes place.
//
IUISelectionService uiSelectionServ = this.GetService(typeof(IUISelectionService)) as IUISelectionService;
ISelectionService selectionServ = this.GetService(typeof(ISelectionService)) as ISelectionService;
IDesignerHost host = this.GetService(typeof(IDesignerHost)) as IDesignerHost;
if (uiSelectionServ != null && selectionServ != null && host != null)
{
Control primarySelection = selectionServ.PrimarySelection as Control;
Point location = new Point(Native.LoWord((int)m.LParam), Native.HiWord((int)m.LParam));
if (uiSelectionServ.SelectionInProgress &&
this.Component != host.RootComponent &&
this.Component != selectionServ.PrimarySelection)
{
location = primarySelection.PointToClient(this.Control.PointToScreen(location));
Native.SendMessage(primarySelection.Handle, (Native.Msg)m.Msg, m.WParam, Native.LParam(location.X, location.Y));
}
else if (uiSelectionServ.ResizeInProgress &&
// this.Component != host.RootComponent &&
this.Control.Parent == ((Control)selectionServ.PrimarySelection).Parent)
{
location = this.Control.Parent.PointToClient(this.Control.PointToScreen(location));
Native.SendMessage(this.Control.Parent.Handle, (Native.Msg)m.Msg, m.WParam, Native.LParam(location.X, location.Y));
}
else
{
this.OnMouseMove(location.X, location.Y);
}
}
else
{
this.OnMouseMove(Native.LoWord((int)m.LParam), Native.HiWord((int)m.LParam));
}
this.BaseWndProc(ref m);
break;
default:
// Pass everything else to the control and return
//
this.DefWndProc(ref m);
break;
}
}
