[Glade-users] cannot register existing type

[Andrea Zagli]

Il giorno mer 29 gen 2014 18:01:07 CET, Tristan Van Berkom ha scritto:
> On Wed, Jan 29, 2014 at 7:34 PM, Andrea Zagli <azagli at libero.it> wrote:
>> i have 2 custom widgets: GtkMaskedEntry and GtkDateEntry
>>
>> GtkDateEntry is a GtkBin with inside GtkMaskedEntry
>>
>> i created catalogs and pixmaps to use them with glade (version 3.14.3); but
>> when i try to insert widget GtkDateEntry inside a container (ex. GtkBox) i
>> got the error
>>
>> GLib-GObject-WARNING **: cannot register existing type `GtkMaskedEntry'
>> (glade.exe:5052): GLib-CRITICAL **: g_once_init_leave: assertion `result !=
>> 0' failed
>> (glade.exe:5052): GLib-GObject-CRITICAL **: g_object_new: assertion
>> `G_TYPE_IS_OBJECT (object_type)' failed
>>
>> and glade crash (if i insert GtkMaskedEntry it works)
>>
>> in glade 3.8.x they works perfectly
>>
>> what could be the problem?
>
> Does one derive from the other ?

no

as i said GtkDateEntry is derived from GtkBin with GtkHBox as child;  
inside the GtkHBox there are a GtkMaskedEntry (derived from GtkEntry)  
and others widgets


> If it does, the parent class should be defined before the child class inside
> the catalog.
>
> How is the catalog defined ? Are you linking to the module/library containing
> these widgets or are you faking the type using the "parent" xml attribute of
> the <glade-widget-class> tag ?
>
> If you can send us the catalog we could make a better guess at what's going
> wrong here.

attached


> Also, a little besides the point: NEVER define custom widgets that are called
> GtkAnything, 'Gtk' is reserved for the GTK+ namespace, so as soon as GTK+
> decides to go ahead and declare a GtkDateEntry of its own, your code breaks.
>
> Call it PonyDateEntry, assuming your widget library or application is
> called Pony.


yes i know :-(


thanks
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