SignalDescriptor GetSignalDescriptor(Gtk.TreeIter iter)
{
Gtk.TreeIter group_iter;
if (!(bool)store.GetValue(iter, ColIsSignal) || !store.IterParent(out group_iter, iter))
{
return(null);
}
string name = (string)store.GetValue(iter, ColSignal);
string group_name = (string)store.GetValue(group_iter, ColSignal);
foreach (ItemGroup igroup in selection.ClassDescriptor.SignalGroups)
{
if (igroup.Label != group_name)
{
continue;
}
SignalDescriptor desc = (SignalDescriptor)igroup [name];
if (desc != null)
{
return(desc);
}
}
return(null);
}
public static void ReadSignal(ClassDescriptor klass, ObjectWrapper ob, XmlElement elem)
{
string name = elem.GetAttribute("name");
SignalDescriptor signal = klass.SignalGroups.GetItem(name) as SignalDescriptor;
if (signal != null)
{
string handler = elem.GetAttribute("handler");
bool after = elem.GetAttribute("after") == "yes";
ob.Signals.Add(new Signal(signal, handler, after));
}
}
void SetEmptySingalRow(Gtk.TreeIter signalIter, SignalDescriptor sd, bool showName)
{
if (showName)
{
store.SetValue(signalIter, ColSignal, sd.Name);
}
store.SetValue(signalIter, ColHandler, "<i><span foreground=\"grey\">" + EmptyHandlerText + "</span></i>");
store.SetValue(signalIter, ColHasHandler, false);
store.SetValue(signalIter, ColIsSignal, true);
store.SetValue(signalIter, ColDescriptorObject, sd);
store.SetValue(signalIter, ColSignalTextWeight, (int)Pango.Weight.Normal);
}
internal static void BindSignalHandlers(CodeExpression targetObjectVar, ObjectWrapper wrapper, Stetic.WidgetMap map, CodeStatementCollection statements, GenerationOptions options)
{
foreach (Signal signal in wrapper.Signals)
{
SignalDescriptor descriptor = signal.SignalDescriptor;
CodeExpression createDelegate = new CodeDelegateCreateExpression(
new CodeTypeReference(descriptor.HandlerTypeName, CodeTypeReferenceOptions.GlobalReference),
new CodeThisReferenceExpression(),
signal.Handler);
CodeAttachEventStatement cevent = new CodeAttachEventStatement(
new CodeEventReferenceExpression(
map.GetWidgetExp(wrapper),
descriptor.Name),
createDelegate);
statements.Add(cevent);
}
Wrapper.Widget widget = wrapper as Wrapper.Widget;
if (widget != null && widget.IsTopLevel)
{
// Bind local action signals
foreach (Wrapper.ActionGroup grp in widget.LocalActionGroups)
{
foreach (Wrapper.Action ac in grp.Actions)
{
BindSignalHandlers(targetObjectVar, ac, map, statements, options);
}
}
}
Gtk.Container cont = wrapper.Wrapped as Gtk.Container;
if (cont != null)
{
foreach (Gtk.Widget child in cont.AllChildren)
{
Stetic.Wrapper.Widget ww = Stetic.Wrapper.Widget.Lookup(child);
if (ww != null)
{
BindSignalHandlers(targetObjectVar, ww, map, statements, options);
}
}
}
}
void OnRowActivated(object sender, Gtk.RowActivatedArgs args)
{
Gtk.TreeIter iter;
if (!store.GetIter(out iter, args.Path))
{
return;
}
SignalDescriptor sd = GetSignalDescriptor(iter);
if (sd != null)
{
if (GetSignal(iter) == null)
{
AddHandler(iter, GetHandlerName(sd.Name));
}
frontend.NotifySignalActivated();
}
}
void AddHandler(Gtk.TreeIter iter, string name)
{
internalChange = true;
Gtk.TreeIter piter = iter;
while (store.IterDepth(piter) != 0)
{
store.IterParent(out piter, piter);
}
Signal signal = GetSignal(iter);
if (signal == null)
{
if (name != "")
{
SignalDescriptor sd = (SignalDescriptor)store.GetValue(iter, ColDescriptorObject);
signal = new Signal(sd);
signal.Handler = name;
selection.Signals.Add(signal);
SetSignalData(iter, signal);
store.SetValue(iter, ColSignalTextWeight, (int)Pango.Weight.Bold);
if (store.IterDepth(iter) == 1)
{
SetEmptySingalRow(store.AppendNode(iter), signal.SignalDescriptor, false);
}
else
{
store.IterParent(out iter, iter);
SetEmptySingalRow(store.AppendNode(iter), signal.SignalDescriptor, false);
}
}
}
else
{
if (name != "")
{
signal.Handler = name;
store.SetValue(iter, ColHandler, signal.Handler);
}
else
{
selection.Signals.Remove(signal);
if (store.IterDepth(iter) == 1)
{
if (store.IterNChildren(iter) == 1)
{
SetEmptySingalRow(iter, signal.SignalDescriptor, true);
// Remove the empty row
store.IterChildren(out iter, iter);
store.Remove(ref iter);
}
else
{
Gtk.TreeIter citer;
store.IterChildren(out citer, iter);
Signal csignal = GetSignal(citer);
store.Remove(ref citer);
SetSignalData(iter, csignal);
if (store.IterNChildren(iter) == 1)
{
tree.CollapseRow(store.GetPath(iter));
}
}
}
else
{
store.Remove(ref iter);
}
}
}
UpdateGroupStatus(piter);
internalChange = false;
}
public Signal(SignalDescriptor descriptor, string handlerName, bool after)
{
this.descriptor = descriptor;
this.handlerName = handlerName;
this.after = after;
}
public Signal(SignalDescriptor descriptor) : this(descriptor, null, false)
{
}
public Signal (SignalDescriptor descriptor, string handlerName, bool after)
{
this.descriptor = descriptor;
this.handlerName = handlerName;
this.after = after;
}
public Signal (SignalDescriptor descriptor): this (descriptor, null, false)
{
}
void SetEmptySingalRow(Gtk.TreeIter signalIter, SignalDescriptor sd, bool showName)
{
if (showName)
store.SetValue (signalIter, ColSignal, sd.Name);
store.SetValue (signalIter, ColHandler, "<i><span foreground=\"grey\">" + EmptyHandlerText + "</span></i>");
store.SetValue (signalIter, ColHasHandler, false);
store.SetValue (signalIter, ColIsSignal, true);
store.SetValue (signalIter, ColDescriptorObject, sd);
store.SetValue (signalIter, ColSignalTextWeight, (int) Pango.Weight.Normal);
}
internal static void BindSignalHandlers(CodeExpression targetObjectVar, ObjectWrapper wrapper, Stetic.WidgetMap map, CodeStatementCollection statements, GenerationOptions options)
{
foreach (Signal signal in wrapper.Signals)
{
SignalDescriptor descriptor = signal.SignalDescriptor;
CodeExpression createDelegate;
if (options.UsePartialClasses)
{
var rgx = new Regex(@"`\d+");
createDelegate =
new CodeDelegateCreateExpression(
new CodeTypeReference(rgx.Replace(descriptor.HandlerTypeName, ""), CodeTypeReferenceOptions.GlobalReference),
new CodeThisReferenceExpression(),
signal.Handler);
}
else
{
createDelegate =
new CodeMethodInvokeExpression(
new CodeTypeReferenceExpression(new CodeTypeReference(typeof(Delegate), CodeTypeReferenceOptions.GlobalReference)),
"CreateDelegate",
new CodeTypeOfExpression(descriptor.HandlerTypeName),
targetObjectVar,
new CodePrimitiveExpression(signal.Handler));
createDelegate = new CodeCastExpression(descriptor.HandlerTypeName.ToGlobalTypeRef(), createDelegate);
}
CodeAttachEventStatement cevent = new CodeAttachEventStatement(
new CodeEventReferenceExpression(
map.GetWidgetExp(wrapper),
descriptor.Name),
createDelegate);
statements.Add(cevent);
}
Wrapper.Widget widget = wrapper as Wrapper.Widget;
if (widget != null && widget.IsTopLevel)
{
// Bind local action signals
foreach (Wrapper.ActionGroup grp in widget.LocalActionGroups)
{
foreach (Wrapper.Action ac in grp.Actions)
{
BindSignalHandlers(targetObjectVar, ac, map, statements, options);
}
}
}
Gtk.Container cont = wrapper.Wrapped as Gtk.Container;
if (cont != null)
{
foreach (Gtk.Widget child in cont.AllChildren)
{
Stetic.Wrapper.Widget ww = Stetic.Wrapper.Widget.Lookup(child);
if (ww != null)
{
BindSignalHandlers(targetObjectVar, ww, map, statements, options);
}
}
}
}