void Toolbox_DragBegin(object sender, EventArgs args)
{
var selectedNode = toolbox.SelectedNode;
if (!isDragging && selectedNode != null)
{
DesignerSupport.Service.ToolboxService.SelectItem(selectedNode);
Gtk.Drag.SourceUnset(widget);
if (selectedNode is IDragDataToolboxNode node)
{
foreach (var format in node.Formats)
{
targets.Add(format, 0, 0);
}
}
// Gtk.Application.CurrentEvent and other copied gdk_events seem to have a problem
// when used as they use gdk_event_copy which seems to crash on de-allocating the private slice.
IntPtr currentEvent = GtkWorkarounds.GetCurrentEventHandle();
Gtk.Drag.Begin(widget, targets, Gdk.DragAction.Copy | Gdk.DragAction.Move, 1, new Gdk.Event(currentEvent, false));
// gtk_drag_begin does not store the event, so we're okay
GtkWorkarounds.FreeEvent(currentEvent);
}
}
protected override void Initialize(IPadWindow container)
{
base.Initialize(container);
#if MAC
toolbox = new Toolbox.MacToolbox(DesignerSupport.Service.ToolboxService, container);
widget = GtkMacInterop.NSViewToGtkWidget(toolbox);
widget.CanFocus = true;
widget.Sensitive = true;
widget.KeyPressEvent += toolbox.OnKeyPressed;
widget.KeyReleaseEvent += toolbox.KeyReleased;
widget.DragBegin += (o, args) => {
if (!isDragging)
{
DesignerSupport.Service.ToolboxService.DragSelectedItem(widget, args.Context);
isDragging = true;
}
};
widget.DragEnd += (o, args) => {
isDragging = false;
};
widget.Focused += (s, e) => {
toolbox.FocusSelectedView();
};
toolbox.ContentFocused += (s, e) => {
if (!widget.HasFocus)
{
widget.HasFocus = true;
toolbox.FocusSelectedView();
}
};
toolbox.DragSourceSet += (s, e) => {
targets = new Gtk.TargetList();
targets.AddTable(e);
};
toolbox.DragBegin += (object sender, EventArgs e) => {
if (!isDragging)
{
Gtk.Drag.SourceUnset(widget);
// Gtk.Application.CurrentEvent and other copied gdk_events seem to have a problem
// when used as they use gdk_event_copy which seems to crash on de-allocating the private slice.
IntPtr currentEvent = GtkWorkarounds.GetCurrentEventHandle();
Gtk.Drag.Begin(widget, targets, Gdk.DragAction.Copy | Gdk.DragAction.Move, 1, new Gdk.Event(currentEvent));
// gtk_drag_begin does not store the event, so we're okay
GtkWorkarounds.FreeEvent(currentEvent);
}
};
widget.ShowAll();
#else
widget = new Toolbox.Toolbox(DesignerSupport.Service.ToolboxService, container);
#endif
}
public TimeSpan GetEventTime(Gdk.EventKey eventKey)
{
// Gtk.Application.CurrentEvent and other copied gdk_events seem to have a problem
// when used as they use gdk_event_copy which seems to crash on de-allocating the private slice.
IntPtr currentEvent = GtkWorkarounds.GetCurrentEventHandle();
bool equals = currentEvent == eventKey.Handle;
GtkWorkarounds.FreeEvent(currentEvent);
// If this GDK event is the current Gtk.Application event, assume that NSApplication's
// current event is the event from which the GDK event was created and use its timestamp
// instead, which has a much higher precision than the GDK time.
if (equals)
{
return(FromNSTimeInterval(AppKit.NSApplication.SharedApplication.CurrentEvent.Timestamp));
}
return(TimeSpan.FromMilliseconds(eventKey.Time));
}
