public static void AddFault(Stetic.Wrapper.Widget owner, object faultId,
Gtk.Orientation orientation,
int x, int y, int width, int height)
{
Gtk.Widget widget = owner.Wrapped;
if (!widget.IsRealized)
{
return;
}
Gdk.Window win = NewWindow(widget, Gdk.WindowClass.InputOnly);
win.MoveResize(x, y, width, height);
Hashtable widgetFaults = faultGroups[widget] as Hashtable;
if (widgetFaults == null)
{
faultGroups[widget] = widgetFaults = new Hashtable();
widget.Destroyed += FaultWidgetDestroyed;
widget.DragMotion += FaultDragMotion;
widget.DragLeave += FaultDragLeave;
widget.DragDrop += FaultDragDrop;
widget.DragDataReceived += FaultDragDataReceived;
DND.DestSet(widget, false);
}
widgetFaults[win] = new Fault(owner, faultId, orientation, win);
}
public Placeholder()
{
undoId = WidgetUtils.GetUndoId();
DND.DestSet(this, true);
Events |= Gdk.EventMask.ButtonPressMask;
WidgetFlags |= WidgetFlags.AppPaintable;
}
protected override void OnDragBegin(Gdk.DragContext ctx)
{
Gtk.Widget ob = CreateItemWidget();
if (ob != null)
{
DND.Drag(this, ctx, ob);
}
}
public ActionPaletteGroup(string name, Wrapper.ActionGroup group) : base(name)
{
DND.DestSet(this, true);
this.group = group;
group.ActionAdded += OnActionGroupChanged;
group.ActionRemoved += OnActionGroupChanged;
group.ActionChanged += OnActionGroupChanged;
group.ObjectChanged += OnActionGroupChanged;
Fill();
}
static void FaultDragDrop(object obj, Gtk.DragDropArgs args)
{
Gtk.Widget w = DND.Drop(args.Context, (Gtk.Widget)obj, args.Time);
Stetic.Wrapper.Widget dropped = Stetic.Wrapper.Widget.Lookup(w);
if (dropped != null)
{
Gtk.Widget targetWidget = (Gtk.Widget)obj;
int px = args.X + targetWidget.Allocation.X;
int py = args.Y + targetWidget.Allocation.Y;
FaultDrop(dropped, px, py, targetWidget);
args.RetVal = true;
}
}
static void ClearFaults(Gtk.Widget widget)
{
Hashtable widgetFaults = faultGroups[widget] as Hashtable;
if (widgetFaults == null)
{
return;
}
faultGroups.Remove(widget);
foreach (Gdk.Window win in widgetFaults.Keys)
{
win.Destroy();
}
widgetFaults.Clear();
DND.DestUnset(widget);
}
protected override bool OnDragDrop(Gdk.DragContext context, int x, int y, uint time)
{
Wrapper.ActionPaletteItem dropped = DND.Drop(context, null, time) as Wrapper.ActionPaletteItem;
if (dropped == null)
{
return(false);
}
if (dropped.Node.Action.ActionGroup != group)
{
using (dropped.Node.Action.UndoManager.AtomicChange) {
dropped.Node.Action.ActionGroup.Actions.Remove(dropped.Node.Action);
group.Actions.Add(dropped.Node.Action);
}
}
return(base.OnDragDrop(context, x, y, time));
}
internal void BeginComponentDrag(ProjectBackend project, string desc, string className, ObjectWrapper wrapper, Gtk.Widget source, Gdk.DragContext ctx, ComponentDropCallback callback)
{
if (wrapper != null)
{
Stetic.Wrapper.ActionPaletteItem it = new Stetic.Wrapper.ActionPaletteItem(Gtk.UIManagerItemType.Menuitem, null, (Wrapper.Action)wrapper);
DND.Drag(source, ctx, it);
}
else if (callback != null)
{
DND.Drag(source, ctx, delegate()
{
callback();
// If the class name has an assembly name, remove it now
int i = className.IndexOf(',');
if (i != -1)
{
className = className.Substring(0, i);
}
ClassDescriptor cls = Registry.LookupClassByName(className);
if (cls != null)
{
return(cls.NewInstance(project) as Gtk.Widget);
}
else
{
// Class not found, show an error
string msg = string.Format("The widget '{0}' could not be found.", className);
Gtk.MessageDialog dlg = new Gtk.MessageDialog(null, Gtk.DialogFlags.Modal, Gtk.MessageType.Error, Gtk.ButtonsType.Close, msg);
dlg.Run();
dlg.Destroy();
return(null);
}
},
(desc != null && desc.Length > 0) ? desc : className
);
}
else
{
ClassDescriptor cls = Registry.LookupClassByName(className);
DND.Drag(source, ctx, cls.NewInstance(project) as Gtk.Widget);
}
}
static void ClearFaults(Gtk.Widget widget)
{
Hashtable widgetFaults = faultGroups[widget] as Hashtable;
if (widgetFaults == null)
{
return;
}
faultGroups.Remove(widget);
widget.Destroyed -= FaultWidgetDestroyed;
widget.DragMotion -= FaultDragMotion;
widget.DragLeave -= FaultDragLeave;
widget.DragDrop -= FaultDragDrop;
widget.DragDataReceived -= FaultDragDataReceived;
foreach (Gdk.Window win in widgetFaults.Keys)
{
win.Destroy();
}
widgetFaults.Clear();
DND.DestUnset(widget);
}
public virtual void Initialize(string name, Gdk.Pixbuf icon)
{
DND.SourceSet(this);
AboveChild = true;
Gtk.HBox hbox = new HBox(false, 6);
hbox.BorderWidth = 3;
if (icon != null)
{
icon = icon.ScaleSimple(16, 16, Gdk.InterpType.Bilinear);
hbox.PackStart(new Gtk.Image(icon), false, false, 0);
}
Gtk.Label label = new Gtk.Label("<small>" + name + "</small>");
label.UseMarkup = true;
label.Justify = Justification.Left;
label.Xalign = 0;
hbox.PackEnd(label, true, true, 0);
Add(hbox);
}
public override void Initialize(string name, Gdk.Pixbuf icon)
{
base.Initialize(name, icon);
DND.SourceUnset(this);
}