public void StartOpenAnimation(DockNotebookTab tab)
{
tab.WidthModifier = 0;
new Animation(f => tab.WidthModifier = f)
.AddConcurrent(new Animation(f => tab.Opacity = f), 0.0d, 0.2d)
.Commit(tab, "Open", easing: Easing.CubicInOut);
}
public void CloseTab(DockNotebookTab tab)
{
var notebook = tab.Notebook;
var index = notebook.Tabs.IndexOf(tab);
notebook.RemoveTab(index, true);
}
internal void ShowContent(DockNotebookTab tab)
{
if (tab == currentTab)
{
contentBox.Child = tab.Content;
}
}
public DockNotebookTab InsertTab(int index)
{
var tab = new DockNotebookTab(this, tabStrip);
if (index == -1)
{
pages.Add(tab);
tab.Index = pages.Count - 1;
}
else
{
pages.Insert(index, tab);
tab.Index = index;
UpdateIndexes(index + 1);
}
pagesHistory.Add(tab);
if (pages.Count == 1)
{
CurrentTab = tab;
}
tabStrip.StartOpenAnimation((DockNotebookTab)tab);
tabStrip.Update();
tabStrip.DropDownButton.Sensitive = pages.Count > 0;
if (PageAdded != null)
{
PageAdded(this, EventArgs.Empty);
}
return(tab);
}
void SetHighlightedTab(DockNotebookTab tab)
{
if (highlightedTab == tab)
{
return;
}
if (highlightedTab != null)
{
var tmp = highlightedTab;
tmp.Animate("Glow",
f => tmp.GlowStrength = f,
start: tmp.GlowStrength,
end: 0);
}
if (tab != null)
{
tab.Animate("Glow",
f => tab.GlowStrength = f,
start: tab.GlowStrength,
end: 1);
}
highlightedTab = tab;
QueueDraw();
}
public PlaceholderWindow (DockNotebookTab tab): base (Gtk.WindowType.Toplevel)
{
this.frame = tab;
SkipTaskbarHint = true;
Decorated = false;
TypeHint = WindowTypeHint.Utility;
titleWindow = new DocumentTitleWindow (this, tab);
//IdeApp.Workbench.LockActiveWindowChangeEvent ();
titleWindow.FocusInEvent += delegate {
if (timeout != 0) {
GLib.Source.Remove (timeout);
timeout = 0;
}
};
titleWindow.FocusOutEvent += delegate {
timeout = GLib.Timeout.Add (100, () => {
titleWindow.Close ();
return false;
});
};
//var windowStack = IdeApp.CommandService.TopLevelWindowStack.ToArray ();
allNotebooks = DockNotebook.AllNotebooks.ToList ();
//allNotebooks.Sort (delegate(DockNotebook x, DockNotebook y) {
// var ix = Array.IndexOf (windowStack, (Gtk.Window) x.Toplevel);
// var iy = Array.IndexOf (windowStack, (Gtk.Window) y.Toplevel);
// if (ix == -1) ix = int.MaxValue;
// if (iy == -1) iy = int.MaxValue;
// return ix.CompareTo (iy);
//});
}
public PlaceholderWindow(DockNotebookTab tab) : base(Gtk.WindowType.Toplevel)
{
this.frame = tab;
SkipTaskbarHint = true;
Decorated = false;
TypeHint = WindowTypeHint.Utility;
titleWindow = new DocumentTitleWindow(this, tab);
//IdeApp.Workbench.LockActiveWindowChangeEvent ();
titleWindow.FocusInEvent += delegate {
if (timeout != 0)
{
GLib.Source.Remove(timeout);
timeout = 0;
}
};
titleWindow.FocusOutEvent += delegate {
timeout = GLib.Timeout.Add(100, () => {
titleWindow.Close();
return(false);
});
};
//var windowStack = IdeApp.CommandService.TopLevelWindowStack.ToArray ();
allNotebooks = DockNotebook.AllNotebooks.ToList();
//allNotebooks.Sort (delegate(DockNotebook x, DockNotebook y) {
// var ix = Array.IndexOf (windowStack, (Gtk.Window) x.Toplevel);
// var iy = Array.IndexOf (windowStack, (Gtk.Window) y.Toplevel);
// if (ix == -1) ix = int.MaxValue;
// if (iy == -1) iy = int.MaxValue;
// return ix.CompareTo (iy);
//});
}
void PlaceInHoverNotebook(DockNotebook notebook, DockNotebookTab tab, Rectangle allocation, int ox, int oy)
{
var window = (SdiWorkspaceWindow)tab.Content;
var newTab = hoverNotebook.AddTab(window);
window.SetDockNotebook(hoverNotebook, newTab);
window.SelectWindow();
}
internal void OnActivateTab(DockNotebookTab tab)
{
if (TabActivated != null)
{
TabActivated(this, new TabEventArgs()
{
Tab = tab
});
}
}
// Returns true if the tab was successfully closed
internal bool OnCloseTab(DockNotebookTab tab)
{
var e = new TabClosedEventArgs()
{
Tab = tab
};
DockNotebookManager.OnTabClosed(this, e);
return(!e.Cancel);
}
Pango.Layout CreateTabLayout(DockNotebookTab tab)
{
Pango.Layout la = CreateSizedLayout();
if (!string.IsNullOrEmpty(tab.Markup))
{
la.SetMarkup(tab.Markup);
}
else if (!string.IsNullOrEmpty(tab.Text))
{
la.SetText(tab.Text);
}
return(la);
}
Action <Context> DrawClosingTab(int index, Gdk.Rectangle region, out int width)
{
width = 0;
if (closingTabs.ContainsKey(index))
{
DockNotebookTab closingTab = closingTabs [index];
width = (int)(closingTab.WidthModifier * TabWidth);
int tmp = width;
return(c => DrawTab(c, closingTab, Allocation, new Gdk.Rectangle(region.X, region.Y, tmp, region.Height), false, false, false, CreateTabLayout(closingTab)));
}
return(c => {
});
}
public void StartCloseAnimation(DockNotebookTab tab)
{
closingTabs [tab.Index] = tab;
new Animation(f => tab.WidthModifier = f, tab.WidthModifier, 0)
.AddConcurrent(new Animation(f => tab.Opacity = f, tab.Opacity, 0), 0.8d)
.Commit(tab, "Closing",
easing: Easing.CubicOut,
finished: (f, a) => {
if (!a)
{
closingTabs.Remove(tab.Index);
}
});
}
static void PlaceInFloatingFrame(DockNotebook notebook, DockNotebookTab tab, Rectangle allocation, int ox, int oy)
{
var newWindow = new DockWindow();
var newNotebook = newWindow.Container.GetFirstNotebook();
var newTab = newNotebook.AddTab();
var workspaceWindow = (SdiWorkspaceWindow)tab.Content;
newTab.Content = workspaceWindow;
// JONTODO
//newWindow.Title = DefaultWorkbench.GetTitle (workspaceWindow);
workspaceWindow.SetDockNotebook(newNotebook, newTab);
newWindow.Move(ox - w / 2, oy - h / 2);
newWindow.Resize(w, h);
newWindow.ShowAll();
DockNotebook.ActiveNotebook = newNotebook;
}
public DocumentTitleWindow(PlaceholderWindow placeholder, DockNotebookTab draggedItem) : base(Gtk.WindowType.Toplevel)
{
this.placeholder = placeholder;
SkipTaskbarHint = true;
Decorated = false;
//TransientFor = parent;
TypeHint = WindowTypeHint.Utility;
VBox mainBox = new VBox();
mainBox.Spacing = 3;
titleBox = new HBox(false, 3);
if (draggedItem.Icon != null)
{
var img = new ImageView(draggedItem.Icon);
titleBox.PackStart(img, false, false, 0);
}
Gtk.Label la = new Label();
la.Markup = draggedItem.Text;
titleBox.PackStart(la, false, false, 0);
mainBox.PackStart(titleBox, false, false, 0);
var wi = RenderWidget(draggedItem.Content);
if (wi != null)
{
wi = wi.WithBoxSize(200);
mainBox.PackStart(new ImageView(wi), false, false, 0);
}
CustomFrame f = new CustomFrame();
f.SetPadding(2, 2, 2, 2);
f.SetMargins(1, 1, 1, 1);
f.Add(mainBox);
Add(f);
mainBox.CanFocus = true;
Child.ShowAll();
}
internal void ReorderTab(DockNotebookTab tab, DockNotebookTab targetTab)
{
if (tab == targetTab)
{
return;
}
int targetPos = targetTab.Index;
if (tab.Index > targetTab.Index)
{
pages.RemoveAt(tab.Index);
pages.Insert(targetPos, tab);
}
else
{
pages.Insert(targetPos + 1, tab);
pages.RemoveAt(tab.Index);
}
// JONTODO
//IdeApp.Workbench.ReorderDocuments (tab.Index, targetPos);
UpdateIndexes(Math.Min(tab.Index, targetPos));
tabStrip.Update();
}
public DockNotebookTab InsertTab (int index)
{
var tab = new DockNotebookTab (this, tabStrip);
if (index == -1) {
pages.Add (tab);
tab.Index = pages.Count - 1;
} else {
pages.Insert (index, tab);
tab.Index = index;
UpdateIndexes (index + 1);
}
pagesHistory.Add (tab);
if (pages.Count == 1)
CurrentTab = tab;
tabStrip.StartOpenAnimation ((DockNotebookTab)tab);
tabStrip.Update ();
tabStrip.DropDownButton.Sensitive = pages.Count > 0;
if (PageAdded != null)
PageAdded (this, EventArgs.Empty);
return tab;
}
internal void ReorderTab (DockNotebookTab tab, DockNotebookTab targetTab)
{
if (tab == targetTab)
return;
int targetPos = targetTab.Index;
if (tab.Index > targetTab.Index) {
pages.RemoveAt (tab.Index);
pages.Insert (targetPos, tab);
} else {
pages.Insert (targetPos + 1, tab);
pages.RemoveAt (tab.Index);
}
// JONTODO
//IdeApp.Workbench.ReorderDocuments (tab.Index, targetPos);
UpdateIndexes (Math.Min (tab.Index, targetPos));
tabStrip.Update ();
}
Pango.Layout CreateTabLayout (DockNotebookTab tab)
{
Pango.Layout la = CreateSizedLayout ();
if (!string.IsNullOrEmpty (tab.Markup))
la.SetMarkup (tab.Markup);
else if (!string.IsNullOrEmpty (tab.Text))
la.SetText (tab.Text);
return la;
}
void DrawTab (Context ctx, DockNotebookTab tab, Gdk.Rectangle allocation, Gdk.Rectangle tabBounds, bool highlight, bool active, bool dragging, Pango.Layout la)
{
// This logic is stupid to have here, should be in the caller!
if (dragging) {
tabBounds.X = (int)(tabBounds.X + (dragX - tabBounds.X) * dragXProgress);
tabBounds.X = Clamp (tabBounds.X, tabStartX, tabEndX - tabBounds.Width);
}
int padding = LeftRightPadding;
padding = (int)(padding * Math.Min (1.0, Math.Max (0.5, (tabBounds.Width - 30) / 70.0)));
ctx.LineWidth = 1;
LayoutTabBorder (ctx, allocation, tabBounds.Width, tabBounds.X, 0, active);
ctx.ClosePath ();
using (var gr = new LinearGradient (tabBounds.X, TopBarPadding, tabBounds.X, allocation.Bottom)) {
if (active) {
gr.AddColorStop (0, Styles.BreadcrumbGradientStartColor.MultiplyAlpha (tab.Opacity));
gr.AddColorStop (1, Styles.BreadcrumbBackgroundColor.MultiplyAlpha (tab.Opacity));
} else {
gr.AddColorStop (0, CairoExtensions.ParseColor ("f4f4f4").MultiplyAlpha (tab.Opacity));
gr.AddColorStop (1, CairoExtensions.ParseColor ("cecece").MultiplyAlpha (tab.Opacity));
}
ctx.SetSource (gr);
}
ctx.Fill ();
ctx.SetSourceColor (new Cairo.Color (1, 1, 1, .5).MultiplyAlpha (tab.Opacity));
LayoutTabBorder (ctx, allocation, tabBounds.Width, tabBounds.X, 1, active);
ctx.Stroke ();
ctx.SetSourceColor (Styles.BreadcrumbBorderColor.MultiplyAlpha (tab.Opacity));
LayoutTabBorder (ctx, allocation, tabBounds.Width, tabBounds.X, 0, active);
ctx.StrokePreserve ();
if (tab.GlowStrength > 0) {
Gdk.Point mouse = tracker.MousePosition;
using (var rg = new RadialGradient (mouse.X, tabBounds.Bottom, 0, mouse.X, tabBounds.Bottom, 100)) {
rg.AddColorStop (0, new Cairo.Color (1, 1, 1, 0.4 * tab.Opacity * tab.GlowStrength));
rg.AddColorStop (1, new Cairo.Color (1, 1, 1, 0));
ctx.SetSource (rg);
ctx.Fill ();
}
} else {
ctx.NewPath ();
}
// Render Close Button (do this first so we can tell how much text to render)
var ch = allocation.Height - TopBarPadding - BottomBarPadding + CloseImageTopOffset;
var crect = new Gdk.Rectangle (tabBounds.Right - padding - CloseButtonSize + 3,
tabBounds.Y + TopBarPadding + (ch - CloseButtonSize) / 2,
CloseButtonSize, CloseButtonSize);
tab.CloseButtonAllocation = crect;
tab.CloseButtonAllocation.Inflate (2, 2);
bool closeButtonHovered = tracker.Hovered && tab.CloseButtonAllocation.Contains (tracker.MousePosition) && tab.WidthModifier >= 1.0f;
bool drawCloseButton = tabBounds.Width > 60 || highlight || closeButtonHovered;
if (drawCloseButton) {
DrawCloseButton (ctx, new Gdk.Point (crect.X + crect.Width / 2, crect.Y + crect.Height / 2), closeButtonHovered, tab.Opacity, tab.DirtyStrength);
}
// Render Text
int w = tabBounds.Width - (padding * 2 + CloseButtonSize);
if (!drawCloseButton)
w += CloseButtonSize;
int textStart = tabBounds.X + padding;
ctx.MoveTo (textStart, tabBounds.Y + TopPadding + TextOffset + VerticalTextSize);
if (!Platform.IsMac && !Platform.IsWindows) {
// This is a work around for a linux specific problem.
// A bug in the proprietary ATI driver caused TAB text not to draw.
// If that bug get's fixed remove this HACK asap.
la.Ellipsize = Pango.EllipsizeMode.End;
la.Width = (int)(w * Pango.Scale.PangoScale);
ctx.SetSourceColor (tab.Notify ? new Cairo.Color (0, 0, 1) : Styles.TabBarActiveTextColor);
Pango.CairoHelper.ShowLayoutLine (ctx, la.GetLine (0));
} else {
// ellipses are for space wasting ..., we cant afford that
using (var lg = new LinearGradient (textStart + w - 5, 0, textStart + w + 3, 0)) {
var color = tab.Notify ? new Cairo.Color (0, 0, 1) : Styles.TabBarActiveTextColor;
color = color.MultiplyAlpha (tab.Opacity);
lg.AddColorStop (0, color);
color.A = 0;
lg.AddColorStop (1, color);
ctx.SetSource (lg);
Pango.CairoHelper.ShowLayoutLine (ctx, la.GetLine (0));
}
}
la.Dispose ();
}
internal void ShowContent (DockNotebookTab tab)
{
if (tab == currentTab)
contentBox.Child = tab.Content;
}
public DocumentTitleWindow (PlaceholderWindow placeholder, DockNotebookTab draggedItem): base (Gtk.WindowType.Toplevel)
{
this.placeholder = placeholder;
SkipTaskbarHint = true;
Decorated = false;
//TransientFor = parent;
TypeHint = WindowTypeHint.Utility;
VBox mainBox = new VBox ();
mainBox.Spacing = 3;
titleBox = new HBox (false, 3);
if (draggedItem.Icon != null) {
var img = new ImageView (draggedItem.Icon);
titleBox.PackStart (img, false, false, 0);
}
Gtk.Label la = new Label ();
la.Markup = draggedItem.Text;
titleBox.PackStart (la, false, false, 0);
mainBox.PackStart (titleBox, false, false, 0);
var wi = RenderWidget (draggedItem.Content);
if (wi != null) {
wi = wi.WithBoxSize (200);
mainBox.PackStart (new ImageView (wi), false, false, 0);
}
CustomFrame f = new CustomFrame ();
f.SetPadding (2, 2, 2, 2);
f.SetMargins (1, 1, 1, 1);
f.Add (mainBox);
Add (f);
mainBox.CanFocus = true;
Child.ShowAll ();
}
public void StartCloseAnimation (DockNotebookTab tab)
{
closingTabs [tab.Index] = tab;
new Animation (f => tab.WidthModifier = f, tab.WidthModifier, 0)
.AddConcurrent (new Animation (f => tab.Opacity = f, tab.Opacity, 0), 0.8d)
.Commit (tab, "Closing",
easing: Easing.CubicOut,
finished: (f, a) => {
if (!a)
closingTabs.Remove (tab.Index);
});
}
public void StartOpenAnimation (DockNotebookTab tab)
{
tab.WidthModifier = 0;
new Animation (f => tab.WidthModifier = f)
.AddConcurrent (new Animation (f => tab.Opacity = f), 0.0d, 0.2d)
.Commit (tab, "Open", easing: Easing.CubicInOut);
}
// Returns true if the tab was successfully closed
internal bool OnCloseTab (DockNotebookTab tab)
{
var e = new TabClosedEventArgs () { Tab = tab };
DockNotebookManager.OnTabClosed (this, e);
return !e.Cancel;
}
void PlaceInHoverNotebook (DockNotebook notebook, DockNotebookTab tab, Rectangle allocation, int ox, int oy)
{
var window = (SdiWorkspaceWindow)tab.Content;
var newTab = hoverNotebook.AddTab (window);
window.SetDockNotebook (hoverNotebook, newTab);
window.SelectWindow ();
}
public void ActivateTab (DockNotebookTab tab)
{
DockNotebook.ActiveNotebook = tab.Notebook;
tab.Notebook.CurrentTab = tab;
}
public void ActivateTab(DockNotebookTab tab)
{
DockNotebook.ActiveNotebook = tab.Notebook;
tab.Notebook.CurrentTab = tab;
}
void SetHighlightedTab (DockNotebookTab tab)
{
if (highlightedTab == tab)
return;
if (highlightedTab != null) {
var tmp = highlightedTab;
tmp.Animate ("Glow",
f => tmp.GlowStrength = f,
start: tmp.GlowStrength,
end: 0);
}
if (tab != null) {
tab.Animate ("Glow",
f => tab.GlowStrength = f,
start: tab.GlowStrength,
end: 1);
}
highlightedTab = tab;
QueueDraw ();
}
static bool IsOverCloseButton(DockNotebookTab tab, int x, int y)
{
return(tab != null && tab.CloseButtonAllocation.Contains(x, y));
}
static bool IsOverCloseButton (DockNotebookTab tab, int x, int y)
{
return tab != null && tab.CloseButtonAllocation.Contains (x, y);
}
void DrawTab(Context ctx, DockNotebookTab tab, Gdk.Rectangle allocation, Gdk.Rectangle tabBounds, bool highlight, bool active, bool dragging, Pango.Layout la)
{
// This logic is stupid to have here, should be in the caller!
if (dragging)
{
tabBounds.X = (int)(tabBounds.X + (dragX - tabBounds.X) * dragXProgress);
tabBounds.X = Clamp(tabBounds.X, tabStartX, tabEndX - tabBounds.Width);
}
int padding = LeftRightPadding;
padding = (int)(padding * Math.Min(1.0, Math.Max(0.5, (tabBounds.Width - 30) / 70.0)));
ctx.LineWidth = 1;
LayoutTabBorder(ctx, allocation, tabBounds.Width, tabBounds.X, 0, active);
ctx.ClosePath();
using (var gr = new LinearGradient(tabBounds.X, TopBarPadding, tabBounds.X, allocation.Bottom)) {
if (active)
{
gr.AddColorStop(0, Styles.BreadcrumbGradientStartColor.MultiplyAlpha(tab.Opacity));
gr.AddColorStop(1, Styles.BreadcrumbBackgroundColor.MultiplyAlpha(tab.Opacity));
}
else
{
gr.AddColorStop(0, CairoExtensions.ParseColor("f4f4f4").MultiplyAlpha(tab.Opacity));
gr.AddColorStop(1, CairoExtensions.ParseColor("cecece").MultiplyAlpha(tab.Opacity));
}
ctx.SetSource(gr);
}
ctx.Fill();
ctx.SetSourceColor(new Cairo.Color(1, 1, 1, .5).MultiplyAlpha(tab.Opacity));
LayoutTabBorder(ctx, allocation, tabBounds.Width, tabBounds.X, 1, active);
ctx.Stroke();
ctx.SetSourceColor(Styles.BreadcrumbBorderColor.MultiplyAlpha(tab.Opacity));
LayoutTabBorder(ctx, allocation, tabBounds.Width, tabBounds.X, 0, active);
ctx.StrokePreserve();
if (tab.GlowStrength > 0)
{
Gdk.Point mouse = tracker.MousePosition;
using (var rg = new RadialGradient(mouse.X, tabBounds.Bottom, 0, mouse.X, tabBounds.Bottom, 100)) {
rg.AddColorStop(0, new Cairo.Color(1, 1, 1, 0.4 * tab.Opacity * tab.GlowStrength));
rg.AddColorStop(1, new Cairo.Color(1, 1, 1, 0));
ctx.SetSource(rg);
ctx.Fill();
}
}
else
{
ctx.NewPath();
}
// Render Close Button (do this first so we can tell how much text to render)
var ch = allocation.Height - TopBarPadding - BottomBarPadding + CloseImageTopOffset;
var crect = new Gdk.Rectangle(tabBounds.Right - padding - CloseButtonSize + 3,
tabBounds.Y + TopBarPadding + (ch - CloseButtonSize) / 2,
CloseButtonSize, CloseButtonSize);
tab.CloseButtonAllocation = crect;
tab.CloseButtonAllocation.Inflate(2, 2);
bool closeButtonHovered = tracker.Hovered && tab.CloseButtonAllocation.Contains(tracker.MousePosition) && tab.WidthModifier >= 1.0f;
bool drawCloseButton = tabBounds.Width > 60 || highlight || closeButtonHovered;
if (drawCloseButton)
{
DrawCloseButton(ctx, new Gdk.Point(crect.X + crect.Width / 2, crect.Y + crect.Height / 2), closeButtonHovered, tab.Opacity, tab.DirtyStrength);
}
// Render Text
int w = tabBounds.Width - (padding * 2 + CloseButtonSize);
if (!drawCloseButton)
{
w += CloseButtonSize;
}
int textStart = tabBounds.X + padding;
ctx.MoveTo(textStart, tabBounds.Y + TopPadding + TextOffset + VerticalTextSize);
if (!Platform.IsMac && !Platform.IsWindows)
{
// This is a work around for a linux specific problem.
// A bug in the proprietary ATI driver caused TAB text not to draw.
// If that bug get's fixed remove this HACK asap.
la.Ellipsize = Pango.EllipsizeMode.End;
la.Width = (int)(w * Pango.Scale.PangoScale);
ctx.SetSourceColor(tab.Notify ? new Cairo.Color(0, 0, 1) : Styles.TabBarActiveTextColor);
Pango.CairoHelper.ShowLayoutLine(ctx, la.GetLine(0));
}
else
{
// ellipses are for space wasting ..., we cant afford that
using (var lg = new LinearGradient(textStart + w - 5, 0, textStart + w + 3, 0)) {
var color = tab.Notify ? new Cairo.Color(0, 0, 1) : Styles.TabBarActiveTextColor;
color = color.MultiplyAlpha(tab.Opacity);
lg.AddColorStop(0, color);
color.A = 0;
lg.AddColorStop(1, color);
ctx.SetSource(lg);
Pango.CairoHelper.ShowLayoutLine(ctx, la.GetLine(0));
}
}
la.Dispose();
}
internal void OnActivateTab (DockNotebookTab tab)
{
if (TabActivated != null)
TabActivated (this, new TabEventArgs () { Tab = tab });
}
public void CloseTab (DockNotebookTab tab)
{
var notebook = tab.Notebook;
var index = notebook.Tabs.IndexOf (tab);
notebook.RemoveTab (index, true);
}
static void PlaceInFloatingFrame (DockNotebook notebook, DockNotebookTab tab, Rectangle allocation, int ox, int oy)
{
var newWindow = new DockWindow ();
var newNotebook = newWindow.Container.GetFirstNotebook ();
var newTab = newNotebook.AddTab ();
var workspaceWindow = (SdiWorkspaceWindow)tab.Content;
newTab.Content = workspaceWindow;
// JONTODO
//newWindow.Title = DefaultWorkbench.GetTitle (workspaceWindow);
workspaceWindow.SetDockNotebook (newNotebook, newTab);
newWindow.Move (ox - w / 2, oy - h / 2);
newWindow.Resize (w, h);
newWindow.ShowAll ();
DockNotebook.ActiveNotebook = newNotebook;
}