don't override gboxed_types() and make it const in generated code (#67)

GI/src/giexport.jl

@@ -61,7 +61,7 @@ end
 
 function struct_cache_expr!(exprs)
     gboxed_types_list = quote
-        gboxed_types = Any[]
+        const gboxed_types = Any[]
     end
     push!(exprs,unblock(gboxed_types_list))
 end

gen/gen_gdkpixbuf.jl

@@ -17,7 +17,7 @@ first_list=[:PixbufModulePattern]
 
 obj_constructor_skiplist=[:new_from_resource,:new_with_mime_type,:new_from_resource_at_scale]
 
-struct_skiplist = GI.export_struct_exprs!(ns,path, "gdkpixbuf", struct_skiplist, []; doc_xml = d, expr_init = :(gboxed_types = Any[]), object_skiplist = obj_skiplist, object_constructor_skiplist = obj_constructor_skiplist, interface_skiplist = [:XdpProxyResolverIface], first_list = first_list, doc_prefix = "gdk-pixbuf")
+struct_skiplist = GI.export_struct_exprs!(ns,path, "gdkpixbuf", struct_skiplist, []; doc_xml = d, object_skiplist = obj_skiplist, object_constructor_skiplist = obj_constructor_skiplist, interface_skiplist = [:XdpProxyResolverIface], first_list = first_list, doc_prefix = "gdk-pixbuf")
 
 object_method_skiplist=[:get_iter,:advance,:get_file_info_finish,:new_from_stream_async]
 

gen/gen_gsk.jl

@@ -11,6 +11,6 @@ GI.export_consts!(ns, path, "gsk4"; doc_xml = d, export_constants = false)
 disguised = Symbol[]
 struct_skiplist=vcat(disguised, Symbol[:ShaderArgsBuilder])
 
-GI.export_struct_exprs!(ns,path, "gsk4", struct_skiplist, [:RoundedRect]; doc_xml = d, output_boxed_cache_init = false, output_object_cache_define = false, output_object_cache_init = false, output_callbacks = false)
+GI.export_struct_exprs!(ns,path, "gsk4", struct_skiplist, [:RoundedRect]; doc_xml = d, output_boxed_cache_init = false, output_boxed_types_def = false, output_object_cache_define = false, output_object_cache_init = false, output_callbacks = false)
 GI.export_methods!(ns,path,"gsk4"; struct_skiplist = struct_skiplist)
 GI.export_functions!(ns,path,"gsk4")

gen/gen_gtk4.jl

@@ -14,7 +14,7 @@ constructor_skiplist=[:new_first]
 object_skiplist=[:CClosureExpression,:ClosureExpression,:ParamSpecExpression,:PrintUnixDialog,:PageSetupUnixDialog]
 obj_constructor_skiplist=[:new_from_resource,:new_with_mnemonic,:new_with_text,:new_with_entry,:new_with_model_and_entry,:new_for_resource,:new_from_icon_name]
 
-GI.export_struct_exprs!(ns,path, "gtk4", struct_skiplist, [:BitsetIter,:BuildableParser]; doc_xml = d, object_skiplist = object_skiplist, constructor_skiplist = constructor_skiplist, output_boxed_cache_init = false, output_object_cache_define = false, output_object_cache_init = false, object_constructor_skiplist = obj_constructor_skiplist, doc_skiplist = [:Builder], exclude_deprecated = false)
+GI.export_struct_exprs!(ns,path, "gtk4", struct_skiplist, [:BitsetIter,:BuildableParser]; doc_xml = d, object_skiplist = object_skiplist, constructor_skiplist = constructor_skiplist, output_boxed_cache_init = false, output_boxed_types_def = false, output_object_cache_define = false, output_object_cache_init = false, object_constructor_skiplist = obj_constructor_skiplist, doc_skiplist = [:Builder], exclude_deprecated = false)
 
 ## object methods
 skiplist=[:create_closure,:activate_cell,:event,:start_editing,:filter_keypress,:append_node,:im_context_filter_keypress,:get_backlog,:get,:get_default,:get_for_display,:get_current_event_state,:get_axes]

src/gen/cairo_structs

@@ -1,6 +1,6 @@
 quote
 $(Expr(:toplevel, quote
-    gboxed_types = Any[]
+    const gboxed_types = Any[]
     mutable struct cairoContext <: GBoxed
         handle::Ptr{cairoContext}
         begin

src/gen/gdk4_structs

@@ -1,6 +1,6 @@
 quote
 $(Expr(:toplevel, quote
-    gboxed_types = Any[]
+    const gboxed_types = Any[]
     mutable struct GdkContentFormats <: GBoxed
         handle::Ptr{GdkContentFormats}
         begin

src/gen/gdkpixbuf_structs

@@ -1,6 +1,6 @@
 quote
 $(Expr(:toplevel, quote
-    gboxed_types = Any[]
+    const gboxed_types = Any[]
     begin
         struct _GdkPixbufModulePattern
             prefix::Cstring
@@ -298,7 +298,6 @@ $(Expr(:toplevel, quote
     @doc "See the [GTK docs](https://docs.gtk.org/gdk-pixbuf/class.PixbufAnimationIter.html)." GdkPixbufAnimationIter
     @doc "See the [GTK docs](https://docs.gtk.org/gdk-pixbuf/class.PixbufLoader.html)." GdkPixbufLoader
     @doc "See the [GTK docs](https://docs.gtk.org/gdk-pixbuf/class.PixbufSimpleAnim.html)." GdkPixbufSimpleAnim
-    gboxed_types = Any[]
     function on_area_prepared(f, object::GdkPixbufLoader, user_data = object, after = false)
         GLib.signal_connect_generic(f, object, "area-prepared", Nothing, (), after, user_data)
     end

src/gen/graphene_structs

@@ -1,6 +1,6 @@
 quote
 $(Expr(:toplevel, quote
-    gboxed_types = Any[]
+    const gboxed_types = Any[]
     begin
         struct _GrapheneSimd4F
             x::Float32

src/gen/gsk4_structs

@@ -1,6 +1,5 @@
 quote
 $(Expr(:toplevel, quote
-    gboxed_types = Any[]
     begin
         struct _GskColorStop
             offset::Float32

src/gen/gtk4_structs

@@ -1,6 +1,5 @@
 quote
 $(Expr(:toplevel, quote
-    gboxed_types = Any[]
     mutable struct GtkBitset <: GBoxed
         handle::Ptr{GtkBitset}
         begin

src/gen/pango_structs

@@ -1,6 +1,6 @@
 quote
 $(Expr(:toplevel, quote
-    gboxed_types = Any[]
+    const gboxed_types = Any[]
     mutable struct PangoLanguage <: GBoxed
         handle::Ptr{PangoLanguage}
         begin

test/gui/misc.jl

@@ -188,6 +188,11 @@ end
 
 end
 
+@testset "GBoxed properties in Gtk4" begin
+    c=GtkColorButton()
+    @test c.rgba isa GdkRGBA
+end
+
 @testset "CssProviderLeaf(filename=\"...\")" begin
     style_file = joinpath(dirname(@__FILE__), "style_test.css")