private void OnPageDragStart(Crownwood.DotNetMagic.Controls.TabControl sender,
Crownwood.DotNetMagic.Controls.TabPage movePage,
MouseEventArgs e)
{
// Is the user allowed to redock?
if (DockingManager.AllowRedocking)
{
// Use allow to redock this particular content?
if (this.RedockAllowed)
{
// Event page must specify its Content object
Content c = movePage.Tag as Content;
// Remember the position of the tab before it is removed
_dragPageIndex = _tabControl.TabPages.IndexOf(movePage);
// Force the entire window to redraw to ensure the Redocker does not start drawing
// the XOR indicator before the window repaints itself. Otherwise the repainted
// control will interfere with the XOR indicator.
this.Refresh();
// Start redocking activity for the single Content of this WindowContent
_redocker = Redocker.CreateRedocker(DockingManager.FeedbackStyle, _tabControl,
c, this, new Point(e.X, e.Y));
}
}
}
/// <summary>
/// Add our collection of hotzones into redocker.
/// </summary>
/// <param name="redock">Redocker target.</param>
/// <param name="collection">Collection of hotzones.</param>
public void AddHotZones(Redocker redock, HotZoneCollection collection)
{
RedockerContent redocker = redock as RedockerContent;
// Allow the contained Zone a chance to expose HotZones
foreach (Control c in this.Controls)
{
IHotZoneSource ag = c as IHotZoneSource;
// Does this control expose an interface for its own HotZones?
if (ag != null)
{
ag.AddHotZones(redock, collection);
}
}
}
/// <summary>
/// Add the collection of hot zones.
/// </summary>
/// <param name="redock">Reference to a redocker instance.</param>
/// <param name="collection">Collection of hot zones.</param>
public void AddHotZones(Redocker redock, HotZoneCollection collection)
{
RedockerContent redocker = redock as RedockerContent;
bool itself = false;
bool nullZone = false;
// We process differently for WindowContent to redock into itself!
if ((redocker.WindowContent != null) && (redocker.WindowContent == this))
{
itself = true;
}
// We do not allow a Content to redock into its existing container
if (itself && !Contents.Contains(redocker.Content))
{
nullZone = true;
}
Rectangle newSize = this.RectangleToScreen(this.ClientRectangle);
Rectangle hotArea = _tabControl.RectangleToScreen(_tabControl.ClientRectangle);;
// Find any caption detail and use that area as the hot area
foreach (WindowDetail wd in WindowDetails)
{
WindowDetailCaption wdc = wd as WindowDetailCaption;
if (wdc != null)
{
hotArea = wdc.RectangleToScreen(wdc.ClientRectangle);
hotArea.Inflate(_hotAreaInflate, _hotAreaInflate);
break;
}
}
if (nullZone)
{
collection.Add(new HotZoneNull(hotArea));
}
else
{
collection.Add(new HotZoneTabbed(hotArea, newSize, this, itself));
}
}
/// <summary>
/// Update the screen indication to reflect new mouse position.
/// </summary>
/// <param name="dragFeedback">Feedback class.</param>
/// <param name="screenPos">New screen position.</param>
/// <param name="parent">Parent redocker instance.</param>
public override void UpdateForMousePosition(DragFeedback dragFeedback,
Point screenPos,
Redocker parent)
{
// Remember the current mouse pos
Point newPos = screenPos;
// Calculate the new drawing rectangle
Rectangle newRect = new Rectangle(newPos.X, newPos.Y, NewSize.Width, NewSize.Height);
// Adjust for mouse starting position relative to source control
newRect.X -= _offset.X;
newRect.Y -= _offset.Y;
dragFeedback.DragRectangle(newRect);
// Remember new values
_drawPos = newPos;
_drawRect = newRect;
}
/// <summary>
/// Update the screen indication to reflect new mouse position.
/// </summary>
/// <param name="dragFeedback">Feedback class.</param>
/// <param name="screenPos">New screen position.</param>
/// <param name="parent">Parent redocker instance.</param>
public virtual void UpdateForMousePosition(DragFeedback dragFeedback,
Point screenPos,
Redocker parent)
{
}
/// <summary>
/// Apply the hot zone change.
/// </summary>
/// <param name="screenPos">Screen position when change applied.</param>
/// <param name="parent">Parent redocker instance.</param>
/// <returns>true is successful; otherwise false.</returns>
public virtual bool ApplyChange(Point screenPos, Redocker parent)
{
return(false);
}
/// <summary>
/// Apply the hot zone change.
/// </summary>
/// <param name="screenPos">Screen position when change applied.</param>
/// <param name="parent">Parent redocker instance.</param>
/// <returns>true is successful; otherwise false.</returns>
public override bool ApplyChange(Point screenPos, Redocker parent)
{
// Should always be the appropriate type
RedockerContent redock = parent as RedockerContent;
DockingManager dockingManager = redock.DockingManager;
Zone newZone = null;
// Manageing Zones should remove display AutoHide windows
dockingManager.RemoveShowingAutoHideWindows();
switch (redock.DockingSource)
{
case RedockerContent.Source.WindowContent:
// Perform State specific Restore actions
foreach (Content c in redock.WindowContent.Contents)
{
c.ContentBecomesFloating();
}
// Remove WindowContent from old Zone
if (redock.WindowContent.ParentZone != null)
{
redock.WindowContent.ParentZone.Windows.Remove(redock.WindowContent);
}
// We need to create a Zone for containing the transfered content
newZone = dockingManager.CreateZoneForContent(State.Floating);
// Add into new Zone
newZone.Windows.Add(redock.WindowContent);
break;
case RedockerContent.Source.ContentInsideWindow:
{
// Perform State specific Restore actions
redock.Content.ContentBecomesFloating();
// Remove Content from existing WindowContent
if (redock.Content.ParentWindowContent != null)
{
redock.Content.ParentWindowContent.Contents.Remove(redock.Content);
}
// Create a new Window to host Content
Window w = dockingManager.CreateWindowForContent(redock.Content);
// We need to create a Zone for containing the transfered content
newZone = dockingManager.CreateZoneForContent(State.Floating);
// Add into Zone
newZone.Windows.Add(w);
}
break;
case RedockerContent.Source.FloatingForm:
redock.FloatingForm.Location = new Point(screenPos.X - _offset.X,
screenPos.Y - _offset.Y);
return(false);
}
dockingManager.UpdateInsideFill();
// Create a new floating form
FloatingForm floating = new FloatingForm(redock.DockingManager, newZone,
new ContextHandler(dockingManager.OnShowContextMenu));
// Find screen location/size
_drawRect = new Rectangle(screenPos.X, screenPos.Y, NewSize.Width, NewSize.Height);
// Adjust for mouse starting position relative to source control
_drawRect.X -= _offset.X;
_drawRect.Y -= _offset.Y;
// Define its location/size
floating.SetBounds(_drawRect.Left, _drawRect.Top, _drawRect.Width, _drawRect.Height);
// Show it!
floating.RequestShow();
return(true);
}
/// <summary>
/// Processes Windows messages.
/// </summary>
/// <param name="m">The Windows Message to process. </param>
protected override void WndProc(ref Message m)
{
// Want to notice when the window is maximized
if (m.Msg == (int)Win32.Msgs.WM_NCLBUTTONDBLCLK)
{
// Is the user allowed to redock?
if (_dockingManager.AllowRedocking)
{
// Redock and kill ourself
Restore();
// Raise event to indicate a double click occured
_dockingManager.OnDoubleClickDock();
}
// We do not want to let the base process the message as the
// restore might fail due to lack of permission to restore to
// old state. In that case we do not want to maximize the window
return;
}
else if (m.Msg == (int)Win32.Msgs.WM_NCLBUTTONDOWN)
{
if (!_intercept)
{
// Perform a hit test against our own window to determine
// which area the mouse press is over at the moment.
uint result = User32.SendMessage(this.Handle, (int)Win32.Msgs.WM_NCHITTEST, 0, (uint)m.LParam);
// Only want to override the behaviour of moving the window via the caption box
if (result == HITTEST_CAPTION)
{
// Is the user allowed to redock?
if (_dockingManager.AllowRedocking)
{
// Remember new state
_intercept = true;
// Capture the mouse until the mouse us is received
this.Capture = true;
// Ensure that we gain focus and look active
this.Activate();
// Raise event to indicate a floating form has become active
_dockingManager.OnFloatingFormActivated(this);
// Get mouse position to inscreen coordinates
Win32.POINT mousePos;
mousePos.x = (short)((uint)m.LParam & 0x0000FFFFU);
mousePos.y = (short)(uint)(((uint)m.LParam & 0xFFFF0000U) >> 16);
// Begin a redocking activity
_redocker = Redocker.CreateRedocker(DockingManager.FeedbackStyle,
this, new Point(mousePos.x - DesktopBounds.X,
mousePos.y - DesktopBounds.Y));
return;
}
}
}
}
else if (m.Msg == (int)Win32.Msgs.WM_MOUSEMOVE)
{
if (_intercept)
{
Win32.POINT mousePos;
mousePos.x = (short)((uint)m.LParam & 0x0000FFFFU);
mousePos.y = (short)(uint)(((uint)m.LParam & 0xFFFF0000U) >> 16);
_redocker.OnMouseMove(new MouseEventArgs(MouseButtons.Left,
0, mousePos.x, mousePos.y, 0));
return;
}
}
else if ((m.Msg == (int)Win32.Msgs.WM_RBUTTONDOWN) ||
(m.Msg == (int)Win32.Msgs.WM_MBUTTONDOWN))
{
if (_intercept)
{
Win32.POINT mousePos;
mousePos.x = (short)((uint)m.LParam & 0x0000FFFFU);
mousePos.y = (short)(uint)(((uint)m.LParam & 0xFFFF0000U) >> 16);
_redocker.QuitTrackingMode(new MouseEventArgs(MouseButtons.Left,
0, mousePos.x, mousePos.y, 0));
// Release capture
this.Capture = false;
// Reset state
_intercept = false;
return;
}
}
else if (m.Msg == (int)Win32.Msgs.WM_LBUTTONUP)
{
if (_intercept)
{
Win32.POINT mousePos;
mousePos.x = (short)((uint)m.LParam & 0x0000FFFFU);
mousePos.y = (short)(uint)(((uint)m.LParam & 0xFFFF0000U) >> 16);
_redocker.OnMouseUp(new MouseEventArgs(MouseButtons.Left, 0,
mousePos.x, mousePos.y, 0));
// Release capture
this.Capture = false;
// Reset state
_intercept = false;
return;
}
}
else if ((m.Msg == (int)Win32.Msgs.WM_NCRBUTTONUP) ||
(m.Msg == (int)Win32.Msgs.WM_NCMBUTTONDOWN) ||
(m.Msg == (int)Win32.Msgs.WM_NCMBUTTONUP) ||
(m.Msg == (int)Win32.Msgs.WM_RBUTTONDOWN) ||
(m.Msg == (int)Win32.Msgs.WM_RBUTTONUP) ||
(m.Msg == (int)Win32.Msgs.WM_MBUTTONDOWN) ||
(m.Msg == (int)Win32.Msgs.WM_MBUTTONUP))
{
// Prevent middle and right mouse buttons from interrupting
// the correct operation of left mouse dragging
return;
}
else if (m.Msg == (int)Win32.Msgs.WM_NCRBUTTONDOWN)
{
if (!_intercept)
{
// Get screen coordinates of the mouse
Win32.POINT mousePos;
mousePos.x = (short)((uint)m.LParam & 0x0000FFFFU);
mousePos.y = (short)(uint)(((uint)m.LParam & 0xFFFF0000U) >> 16);
// Box to transfer as parameter
OnContext(new Point(mousePos.x, mousePos.y));
return;
}
}
base.WndProc(ref m);
}
/// <summary>
/// Apply the hot zone change.
/// </summary>
/// <param name="screenPos">Screen position when change applied.</param>
/// <param name="parent">Parent redocker instance.</param>
/// <returns>true is successful; otherwise false.</returns>
public override bool ApplyChange(Point screenPos, Redocker parent)
{
// If docking back to itself then refuse to apply the change, this will cause the
// WindowContentTabbed object to put back the content which is the desired effect
if (_itself)
{
return(false);
}
// We are only called from the RedockerContent class
RedockerContent redock = parent as RedockerContent;
DockingManager dockingManager = redock.DockingManager;
bool becomeFloating = (_wct.ParentZone.State == State.Floating);
// Reduce flicker during transition
dockingManager.Container.SuspendLayout();
// Manageing Zones should remove display AutoHide windows
dockingManager.RemoveShowingAutoHideWindows();
switch (redock.DockingSource)
{
case RedockerContent.Source.WindowContent:
{
// Perform State specific Restore actions
if (becomeFloating)
{
foreach (Content c in redock.WindowContent.Contents)
{
c.ContentBecomesFloating();
}
}
else
{
// If the source is leaving the Floating state then need to record Restore positions
if (redock.WindowContent.State == State.Floating)
{
foreach (Content c in redock.WindowContent.Contents)
{
c.ContentLeavesFloating();
}
}
}
int count = redock.WindowContent.Contents.Count;
for (int index = 0; index < count; index++)
{
Content c = redock.WindowContent.Contents[0];
// Remove Content from previous WindowContent
redock.WindowContent.Contents.RemoveAt(0);
// Add into new WindowContent
_wct.Contents.Add(c);
_wct.BringContentToFront(c);
}
}
break;
case RedockerContent.Source.ContentInsideWindow:
{
// Perform State specific Restore actions
if (becomeFloating)
{
redock.Content.ContentBecomesFloating();
}
else
{
// If the source is leaving the Floating state then need to record Restore position
if (redock.Content.ParentWindowContent.State == State.Floating)
{
redock.Content.ContentLeavesFloating();
}
}
// Remove Content from existing WindowContent
if (redock.Content.ParentWindowContent != null)
{
redock.Content.ParentWindowContent.Contents.Remove(redock.Content);
}
_wct.Contents.Add(redock.Content);
_wct.BringContentToFront(redock.Content);
}
break;
case RedockerContent.Source.FloatingForm:
{
// Perform State specific Restore actions
if (!becomeFloating)
{
// Make every Content object in the Floating Zone
// record its current state as the Floating state
redock.FloatingForm.ExitFloating();
}
int wCount = redock.FloatingForm.Zone.Windows.Count;
for (int wIndex = 0; wIndex < wCount; wIndex++)
{
WindowContent wc = redock.FloatingForm.Zone.Windows[0] as WindowContent;
if (wc != null)
{
int cCount = wc.Contents.Count;
for (int cIndex = 0; cIndex < cCount; cIndex++)
{
// Get reference to first content in collection
Content c = wc.Contents[0];
// Remove from old WindowContent
wc.Contents.RemoveAt(0);
// Add into new WindowContentTabbed
_wct.Contents.Add(c);
_wct.BringContentToFront(c);
}
}
}
}
break;
}
dockingManager.UpdateInsideFill();
// Reduce flicker during transition
dockingManager.Container.ResumeLayout();
return(true);
}
/// <summary>
/// Apply the hot zone change.
/// </summary>
/// <param name="screenPos">Screen position when change applied.</param>
/// <param name="parent">Parent redocker instance.</param>
/// <returns>true is successful; otherwise false.</returns>
public override bool ApplyChange(Point screenPos, Redocker parent)
{
// We are only called from the RedockerContent class
RedockerContent redock = parent as RedockerContent;
DockingManager dockingManager = redock.DockingManager;
// Reduce flicker during transition
dockingManager.Container.SuspendLayout();
// Need to create a new Zone
Zone zone;
if (redock.DockingSource == RedockerContent.Source.FloatingForm)
{
// Make every Content object in the Floating Zone
// record its current state as the Floating state
redock.FloatingForm.ExitFloating();
zone = redock.FloatingForm.Zone;
}
else
{
zone = dockingManager.CreateZoneForContent(_state);
}
// Insert Zone at end of Controls collection
dockingManager.Container.Controls.Add(zone);
// Adjust ordering
switch (_position)
{
case Position.Inner:
dockingManager.ReorderZoneToInnerMost(zone);
break;
case Position.Index:
// Manageing Zones should remove display AutoHide windows
dockingManager.RemoveShowingAutoHideWindows();
// Place new Zone AFTER the one given, so need to increase index by one
dockingManager.Container.Controls.SetChildIndex(zone, _newIndex + 1);
break;
case Position.Outer:
dockingManager.ReorderZoneToOuterMost(zone);
break;
}
switch (redock.DockingSource)
{
case RedockerContent.Source.WindowContent:
// Remove WindowContent from old Zone
if (redock.WindowContent.ParentZone != null)
{
// If the source is leaving the Floating state then need to record Restore positions
if (redock.WindowContent.State == State.Floating)
{
foreach (Content c in redock.WindowContent.Contents)
{
c.ContentLeavesFloating();
}
}
redock.WindowContent.ParentZone.Windows.Remove(redock.WindowContent);
}
// Add into new Zone
zone.Windows.Add(redock.WindowContent);
break;
case RedockerContent.Source.ContentInsideWindow:
{
// Remove Content from existing WindowContent
if (redock.Content.ParentWindowContent != null)
{
// If the source is leaving the Floating state then need to record Restore position
if (redock.Content.ParentWindowContent.State == State.Floating)
{
redock.Content.ContentLeavesFloating();
}
redock.Content.ParentWindowContent.Contents.Remove(redock.Content);
}
// Create a new WindowContent to host Content
Window w = dockingManager.CreateWindowForContent(redock.Content);
// Add into Zone
zone.Windows.Add(w);
}
break;
case RedockerContent.Source.FloatingForm:
DockStyle ds;
LayoutDirection direction;
dockingManager.ValuesFromState(_state, out ds, out direction);
// Define correct docking style to match state
zone.Dock = ds;
ZoneSequence zs = zone as ZoneSequence;
// Define correct display direction to match state
if (zs != null)
{
zs.Direction = direction;
}
// Ensure the Zone recalculates contents according to new state
zone.State = _state;
break;
}
// Define correct size of the new Zone
switch (_state)
{
case State.DockLeft:
case State.DockRight:
zone.Width = NewSize.Width;
break;
case State.DockTop:
case State.DockBottom:
zone.Height = NewSize.Height;
break;
}
dockingManager.UpdateInsideFill();
// Reduce flicker during transition
dockingManager.Container.ResumeLayout();
return(true);
}
/// <summary>
/// Apply the hot zone change.
/// </summary>
/// <param name="screenPos">Screen position when change applied.</param>
/// <param name="parent">Parent redocker instance.</param>
/// <returns>true is successful; otherwise false.</returns>
public override bool ApplyChange(Point screenPos, Redocker parent)
{
// We are only called from the RedockerContent class
RedockerContent redock = parent as RedockerContent;
DockingManager dockingManager = redock.DockingManager;
bool becomeFloating = (_zs.State == State.Floating);
// Reduce flicker during transition
dockingManager.Container.SuspendLayout();
// Manageing Zones should remove display AutoHide windows
dockingManager.RemoveShowingAutoHideWindows();
switch (redock.DockingSource)
{
case RedockerContent.Source.WindowContent:
{
// Is the destination Zone in the Floating state?
if (becomeFloating)
{
foreach (Content c in redock.WindowContent.Contents)
{
c.ContentBecomesFloating();
}
}
else
{
if (redock.WindowContent.State == State.Floating)
{
foreach (Content c in redock.WindowContent.Contents)
{
c.ContentLeavesFloating();
}
}
}
// Check if the WindowContent source is in same Zone
if (redock.WindowContent.ParentZone == _zs)
{
// Find current position of source WindowContent
int currPos = _zs.Windows.IndexOf(redock.WindowContent);
// If current window is before the new position then the current
// window will disappear before the new one is inserted,so need to
// adjust down the new insertion point
if (currPos < _index)
{
_index--;
}
}
// Create a new Window to host Content
WindowContent wc = dockingManager.CreateWindowForContent(null) as WindowContent;
// Transfer content across
int count = redock.WindowContent.Contents.Count;
for (int index = 0; index < count; index++)
{
Content c = redock.WindowContent.Contents[0];
// Remove from existing location
redock.WindowContent.Contents.RemoveAt(0);
// Add into new WindowContent host
wc.Contents.Add(c);
}
// Add into host into Zone
_zs.Windows.Insert(_index, wc);
}
break;
case RedockerContent.Source.ContentInsideWindow:
{
// Perform State specific Restore actions
if (becomeFloating)
{
redock.Content.ContentBecomesFloating();
}
else
{
if (redock.Content.ParentWindowContent.State == State.Floating)
{
redock.Content.ContentLeavesFloating();
}
}
// Remove Content from existing WindowContent
if (redock.Content.ParentWindowContent != null)
{
// Will removing the Content cause the WindowContent to die?
if (redock.Content.ParentWindowContent.Contents.Count == 1)
{
// Check if the WindowContent source is in same Zone
if (redock.Content.ParentWindowContent.ParentZone == _zs)
{
// Find current position of source WindowContent
int currPos = _zs.Windows.IndexOf(redock.Content.ParentWindowContent);
// If current window is before the new position then the current
// window will disappear before the new one is inserted,so need to
// adjust down the new insertion point
if (currPos < _index)
{
_index--;
}
}
}
redock.Content.ParentWindowContent.Contents.Remove(redock.Content);
}
// Create a new Window to host Content
Window w = dockingManager.CreateWindowForContent(redock.Content);
// Add into Zone
_zs.Windows.Insert(_index, w);
}
break;
case RedockerContent.Source.FloatingForm:
{
// Perform State specific Restore actions
if (!becomeFloating)
{
// Make every Content object in the Floating Zone
// record its current state as the Floating state
redock.FloatingForm.ExitFloating();
}
int count = redock.FloatingForm.Zone.Windows.Count;
for (int index = count - 1; index >= 0; index--)
{
// Remember the Window reference
Window w = redock.FloatingForm.Zone.Windows[index];
// Remove from floating collection
redock.FloatingForm.Zone.Windows.RemoveAt(index);
// Add into new ZoneSequence destination
_zs.Windows.Insert(_index, w);
}
}
break;
}
dockingManager.UpdateInsideFill();
// Reduce flicker during transition
dockingManager.Container.ResumeLayout();
return(true);
}
