public CecilClassDescriptor(CecilWidgetLibrary lib, XmlElement element, ClassDescriptor typeClassDescriptor, XmlElement steticDefinition, TypeDefinition cls)
{
this.cecilLib = lib;
this.steticDefinition = steticDefinition;
this.typeClassDescriptor = typeClassDescriptor;
wrappedTypeName = element.GetAttribute("type");
type = cls;
Load(element);
type = null;
canGenerateCode = true;
string baseType = element.GetAttribute("base-type");
if (baseType.Length > 0)
{
wrapperClassDescriptor = Registry.LookupClassByName(baseType);
if (wrapperClassDescriptor == null)
{
throw new InvalidOperationException("Unknown base type: " + baseType);
}
}
else
{
wrapperClassDescriptor = typeClassDescriptor;
}
if (steticDefinition == null && !AllowChildren && NeedsBlackBox(typeClassDescriptor.Name))
{
// It is not possible to create instances of that widget, instead we'll have
// to create the typical custom widget black box.
if (!CanCreateWidgetInstance(wrapperClassDescriptor.Name))
{
throw new InvalidOperationException("Can't load widget type '" + Name + "'. Instances of that type can't be created because the type can't be loaded into the process.");
}
useCustomWidgetBox = true;
}
widgetId = Name.ToLower();
int i = widgetId.LastIndexOf('.');
if (i != -1)
{
if (i != widgetId.Length - 1)
{
widgetId = widgetId.Substring(i + 1);
}
else
{
widgetId = widgetId.Replace(".", "");
}
}
string iconName = element.GetAttribute("icon");
icon = lib.GetEmbeddedIcon(iconName);
// If the class is a custom widget created using stetic, it means that it has
// simple property and there is no custom logic, so it is safe to generate code
// for this class.
if (steticDefinition != null)
{
canGenerateCode = true;
}
// If it has a custom wrapper, then it definitely has custom logic, so it can't generate code
if (element.HasAttribute("wrapper"))
{
canGenerateCode = false;
}
}
static public void ImportWidget(ObjectWrapper wrapper, XmlElement elem)
{
string className = elem.GetAttribute("class");
if (className == null)
{
throw new GladeException("<widget> node with no class name");
}
ClassDescriptor klassBase = Registry.LookupClassByCName(className);
if (klassBase == null)
{
throw new GladeException("No stetic ClassDescriptor for " + className);
}
TypedClassDescriptor klass = klassBase as TypedClassDescriptor;
if (klass == null)
{
throw new GladeException("The widget class " + className + " is not supported by Glade");
}
ReadSignals(klass, wrapper, elem);
Hashtable rawProps, overrideProps;
ExtractProperties(klass, elem, out rawProps, out overrideProps);
string[] propNames;
GLib.Value[] propVals;
ParseProperties(klass.WrappedType, false, rawProps.Values,
out propNames, out propVals);
Gtk.Widget widget;
if (wrapper.Wrapped == null)
{
if (className == "GtkWindow" || className == "GtkDialog")
{
widget = (Gtk.Widget)klass.CreateInstance(wrapper.Project);
ObjectWrapper.Bind(wrapper.Project, klass, wrapper, widget, true);
SetProperties(klass, widget, propNames, propVals);
}
else
{
IntPtr raw = gtksharp_object_newv(klass.GType.Val, propNames.Length, propNames, propVals);
if (raw == IntPtr.Zero)
{
throw new GladeException("Could not create widget", className);
}
widget = (Gtk.Widget)GLib.Object.GetObject(raw, true);
if (widget == null)
{
gtk_object_sink(raw);
throw new GladeException("Could not create gtk# wrapper", className);
}
ObjectWrapper.Bind(wrapper.Project, klass, wrapper, widget, true);
}
}
else
{
widget = (Gtk.Widget)wrapper.Wrapped;
for (int i = 0; i < propNames.Length; i++)
{
g_object_set_property(widget.Handle, propNames[i], ref propVals[i]);
}
}
MarkTranslatables(widget, rawProps);
widget.Name = elem.GetAttribute("id");
SetOverrideProperties(wrapper, overrideProps);
MarkTranslatables(widget, overrideProps);
}
public TypedClassDescriptor(Assembly assembly, XmlElement elem)
{
bool inheritedWrapper = false;
wrapped = Registry.GetType(elem.GetAttribute("type"), true);
if (elem.HasAttribute("wrapper"))
{
wrapper = Registry.GetType(elem.GetAttribute("wrapper"), true);
}
else
{
inheritedWrapper = true;
string baseClass = elem.GetAttribute("base-type");
if (baseClass.Length > 0)
{
// If a base type is specified, use the wrapper of that base type
TypedClassDescriptor parent = Registry.LookupClassByName(baseClass) as TypedClassDescriptor;
if (parent != null)
{
wrapper = parent.WrapperType;
}
}
else
{
for (Type type = wrapped.BaseType; type != null; type = type.BaseType)
{
TypedClassDescriptor parent = Registry.LookupClassByName(type.FullName) as TypedClassDescriptor;
if (parent != null)
{
wrapper = parent.WrapperType;
break;
}
}
}
if (wrapper == null)
{
throw new ArgumentException(string.Format("No wrapper type for class {0}", wrapped.FullName));
}
}
gtype = (GLib.GType)wrapped;
cname = gtype.ToString();
string iconname = elem.GetAttribute("icon");
if (iconname.Length > 0)
{
try {
// Using the pixbuf resource constructor generates a gdk warning.
Gdk.PixbufLoader loader = new Gdk.PixbufLoader(assembly, iconname);
icon = loader.Pixbuf;
} catch {
Console.WriteLine("Could not load icon: " + iconname);
icon = GetDefaultIcon();
}
}
else
{
icon = GetDefaultIcon();
}
BindingFlags flags = BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly;
// If the wrapper is inherited from a base class, ignore the CreateInstance method
// since it is going to create an instance of the base class.
if (!inheritedWrapper)
{
ctorMethodInfoWithClass = wrapper.GetMethod("CreateInstance", flags, null, new Type[] { typeof(ClassDescriptor) }, null);
if (ctorMethodInfoWithClass == null)
{
ctorMethodInfo = wrapper.GetMethod("CreateInstance", flags, null, Type.EmptyTypes, null);
}
}
// Look for a constructor even if a CreateInstance method was
// found, since it may return null.
cinfo = wrapped.GetConstructor(Type.EmptyTypes);
if (cinfo == null)
{
useGTypeCtor = true;
cinfo = wrapped.GetConstructor(new Type[] { typeof(IntPtr) });
}
Load(elem);
}