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listitemfactory: Make the builder factory properly buildable

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Turn the construct arguments into construct properties so that they can
be set from ui files.
This commit is contained in:
Benjamin Otte
2019-10-18 04:07:04 +02:00
parent 36e791fccf
commit 3c3de02a3e
2 changed files with 177 additions and 28 deletions
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197
gtk/gtkbuilderlistitemfactory.c
View File

@@ -22,6 +22,7 @@
#include "gtkbuilderlistitemfactory.h"
#include "gtkbuilder.h"
#include "gtkintl.h"
#include "gtklistitemfactoryprivate.h"
#include "gtklistitemprivate.h"
@@ -30,6 +31,7 @@ struct _GtkBuilderListItemFactory
GtkListItemFactory parent_instance;
GBytes *bytes;
char *resource;
};
struct _GtkBuilderListItemFactoryClass
@@ -37,8 +39,18 @@ struct _GtkBuilderListItemFactoryClass
GtkListItemFactoryClass parent_class;
};
enum {
PROP_0,
PROP_BYTES,
PROP_RESOURCE,
N_PROPS
};
G_DEFINE_TYPE (GtkBuilderListItemFactory, gtk_builder_list_item_factory, GTK_TYPE_LIST_ITEM_FACTORY)
static GParamSpec *properties[N_PROPS] = { NULL, };
static void
gtk_builder_list_item_factory_setup (GtkListItemFactory *factory,
GtkListItem *list_item)
@@ -71,12 +83,99 @@ gtk_builder_list_item_factory_setup (GtkListItemFactory *factory,
g_object_unref (builder);
}
static void
gtk_builder_list_item_factory_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GtkBuilderListItemFactory *self = GTK_BUILDER_LIST_ITEM_FACTORY (object);
switch (property_id)
{
case PROP_BYTES:
g_value_set_boxed (value, self->bytes);
break;
case PROP_RESOURCE:
g_value_set_string (value, self->resource);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static gboolean
gtk_builder_list_item_factory_set_bytes (GtkBuilderListItemFactory *self,
GBytes *bytes)
{
if (bytes == NULL)
return FALSE;
if (self->bytes)
{
g_critical ("Data for GtkBuilderListItemFactory has already been set.");
return FALSE;
}
self->bytes = g_bytes_ref (bytes);
return TRUE;
}
static void
gtk_builder_list_item_factory_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GtkBuilderListItemFactory *self = GTK_BUILDER_LIST_ITEM_FACTORY (object);
switch (property_id)
{
case PROP_BYTES:
gtk_builder_list_item_factory_set_bytes (self, g_value_get_boxed (value));
break;
case PROP_RESOURCE:
{
GError *error = NULL;
GBytes *bytes;
const char *resource;
resource = g_value_get_string (value);
if (resource == NULL)
break;
bytes = g_resources_lookup_data (resource, 0, &error);
if (bytes)
{
if (gtk_builder_list_item_factory_set_bytes (self, bytes))
self->resource = g_strdup (resource);
g_bytes_unref (bytes);
}
else
{
g_critical ("Unable to load resource for list item template: %s", error->message);
g_error_free (error);
}
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gtk_builder_list_item_factory_finalize (GObject *object)
{
GtkBuilderListItemFactory *self = GTK_BUILDER_LIST_ITEM_FACTORY (object);
g_bytes_unref (self->bytes);
g_free (self->resource);
G_OBJECT_CLASS (gtk_builder_list_item_factory_parent_class)->finalize (object);
}
@@ -84,12 +183,41 @@ gtk_builder_list_item_factory_finalize (GObject *object)
static void
gtk_builder_list_item_factory_class_init (GtkBuilderListItemFactoryClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GtkListItemFactoryClass *factory_class = GTK_LIST_ITEM_FACTORY_CLASS (klass);
object_class->finalize = gtk_builder_list_item_factory_finalize;
gobject_class->finalize = gtk_builder_list_item_factory_finalize;
gobject_class->get_property = gtk_builder_list_item_factory_get_property;
gobject_class->set_property = gtk_builder_list_item_factory_set_property;
factory_class->setup = gtk_builder_list_item_factory_setup;
/**
* GtkBuilderListItemFactory:bytes:
*
* bytes containing the UI definition
*/
properties[PROP_BYTES] =
g_param_spec_boxed ("bytes",
P_("Bytes"),
P_("bytes containing the UI definition"),
G_TYPE_BYTES,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
/**
* GtkBuilderListItemFactory:resource:
*
* resource containing the UI definition
*/
properties[PROP_RESOURCE] =
g_param_spec_string ("resource",
P_("Resource"),
P_("resource containing the UI definition"),
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (gobject_class, N_PROPS, properties);
}
static void
@@ -100,38 +228,55 @@ gtk_builder_list_item_factory_init (GtkBuilderListItemFactory *self)
GtkListItemFactory *
gtk_builder_list_item_factory_new_from_bytes (GBytes *bytes)
{
GtkBuilderListItemFactory *self;
g_return_val_if_fail (bytes != NULL, NULL);
self = g_object_new (GTK_TYPE_BUILDER_LIST_ITEM_FACTORY, NULL);
self->bytes = g_bytes_ref (bytes);
return GTK_LIST_ITEM_FACTORY (self);
return g_object_new (GTK_TYPE_BUILDER_LIST_ITEM_FACTORY,
"bytes", bytes,
NULL);
}
GtkListItemFactory *
gtk_builder_list_item_factory_new_from_resource (const char *resource_path)
{
GtkListItemFactory *result;
GError *error = NULL;
GBytes *bytes;
g_return_val_if_fail (resource_path != NULL, NULL);
bytes = g_resources_lookup_data (resource_path, 0, &error);
if (!bytes)
{
g_critical ("Unable to load resource for list item template: %s", error->message);
g_error_free (error);
return NULL;
}
result = gtk_builder_list_item_factory_new_from_bytes (bytes);
g_bytes_unref (bytes);
return result;
return g_object_new (GTK_TYPE_BUILDER_LIST_ITEM_FACTORY,
"resource", resource_path,
NULL);
}
/**
* gtk_builder_list_item_factory_get_bytes:
* @self: a #GtkBuilderListItemFactory
*
* Gets the data used as the #GtkBuilder UI template for constructing
* listitems.
*
* Returns: (transfer none): The GtkBuilder data
*
**/
GBytes *
gtk_builder_list_item_factory_get_bytes (GtkBuilderListItemFactory *self)
{
g_return_val_if_fail (GTK_IS_BUILDER_LIST_ITEM_FACTORY (self), NULL);
return self->bytes;
}
/**
* gtk_builder_list_item_factory_get_resource:
* @self: a #GtkBuilderListItemFactory
*
* If the data references a resource, gets the path of that resource.
*
* Returns: (transfer none) (nullable): The path to the resource or %NULL
* if none
**/
const char *
gtk_builder_list_item_factory_get_resource (GtkBuilderListItemFactory *self)
{
g_return_val_if_fail (GTK_IS_BUILDER_LIST_ITEM_FACTORY (self), NULL);
return self->resource;
}

8
gtk/gtkbuilderlistitemfactory.h
View File

@@ -42,10 +42,14 @@ GDK_AVAILABLE_IN_ALL
GType gtk_builder_list_item_factory_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GtkListItemFactory * gtk_builder_list_item_factory_new_from_bytes (GBytes *bytes);
GtkListItemFactory * gtk_builder_list_item_factory_new_from_bytes (GBytes *bytes);
GDK_AVAILABLE_IN_ALL
GtkListItemFactory * gtk_builder_list_item_factory_new_from_resource (const char *resource_path);
GtkListItemFactory * gtk_builder_list_item_factory_new_from_resource (const char *resource_path);
GDK_AVAILABLE_IN_ALL
GBytes * gtk_builder_list_item_factory_get_bytes (GtkBuilderListItemFactory *self) G_GNUC_PURE;
GDK_AVAILABLE_IN_ALL
const char * gtk_builder_list_item_factory_get_resource (GtkBuilderListItemFactory *self) G_GNUC_PURE;
G_END_DECLS