[gtk/stackpage: 10/11] assistant: Convert child properties to a child meta object
- From: Matthias Clasen <matthiasc src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk/stackpage: 10/11] assistant: Convert child properties to a child meta object
- Date: Thu, 7 Feb 2019 21:27:11 +0000 (UTC)
commit 6a0a7daae64ad82b60ea964823a5847a74070c40
Author: Matthias Clasen <mclasen redhat com>
Date: Thu Feb 7 15:18:49 2019 -0500
assistant: Convert child properties to a child meta object
Turn GtkAssistantPage into a public object holding the
former child properties.
docs/reference/gtk/gtk4-sections.txt | 3 +
docs/reference/gtk/gtk4.types.in | 1 +
gtk/gtkassistant.c | 449 +++++++++++++++++++++++------------
gtk/gtkassistant.h | 18 ++
4 files changed, 315 insertions(+), 156 deletions(-)
---
diff --git a/docs/reference/gtk/gtk4-sections.txt b/docs/reference/gtk/gtk4-sections.txt
index cfc4be3e1c..27c18bb3e9 100644
--- a/docs/reference/gtk/gtk4-sections.txt
+++ b/docs/reference/gtk/gtk4-sections.txt
@@ -211,8 +211,11 @@ gtk_adjustment_get_type
<FILE>gtkassistant</FILE>
<TITLE>GtkAssistant</TITLE>
GtkAssistant
+GtkAssistantPage
GtkAssistantClass
gtk_assistant_new
+gtk_assistant_get_page
+gtk_assistant_page_get_child
gtk_assistant_get_current_page
gtk_assistant_set_current_page
gtk_assistant_get_n_pages
diff --git a/docs/reference/gtk/gtk4.types.in b/docs/reference/gtk/gtk4.types.in
index 6d7d94077c..ecb383d45b 100644
--- a/docs/reference/gtk/gtk4.types.in
+++ b/docs/reference/gtk/gtk4.types.in
@@ -14,6 +14,7 @@ gtk_application_get_type
gtk_application_window_get_type
gtk_aspect_frame_get_type
gtk_assistant_get_type
+gtk_assistant_page_get_type
gtk_bin_get_type
gtk_box_get_type
gtk_builder_get_type
diff --git a/gtk/gtkassistant.c b/gtk/gtkassistant.c
index 81d632d909..4949854844 100644
--- a/gtk/gtkassistant.c
+++ b/gtk/gtkassistant.c
@@ -41,6 +41,10 @@
* handling buttons, you can use the #GTK_ASSISTANT_PAGE_CUSTOM page
* type and handle buttons yourself.
*
+ * GtkAssistant maintains a #GtkAssistantPage object for each added
+ * child, which holds additional per-child properties. You
+ * obtain the #GtkAssistantPage for a child with gtk_assistant_get_page().
+ *
* # GtkAssistant as GtkBuildable
*
* The GtkAssistant implementation of the #GtkBuildable interface
@@ -48,8 +52,9 @@
* “action_area”.
*
* To add pages to an assistant in #GtkBuilder, simply add it as a
- * child to the GtkAssistant object, and set its child properties
- * as necessary.
+ * child to the GtkAssistant object. If you need to set per-object
+ * properties, create a #GtkAssistantPage object explicitly, and
+ * set the child widget as a property on it.
*
* # CSS nodes
*
@@ -79,10 +84,9 @@
#include "a11y/gtkwindowaccessible.h"
-typedef struct _GtkAssistantPage GtkAssistantPage;
-
struct _GtkAssistantPage
{
+ GObject instance;
GtkAssistantPageType type;
guint complete : 1;
guint complete_set : 1;
@@ -96,6 +100,11 @@ struct _GtkAssistantPage
GtkWidget *current_title;
};
+struct _GtkAssistantPageClass
+{
+ GObjectClass parent_class;
+};
+
struct _GtkAssistantPrivate
{
GtkWidget *cancel;
@@ -137,18 +146,20 @@ static void gtk_assistant_add (GtkContainer *container,
GtkWidget *page);
static void gtk_assistant_remove (GtkContainer *container,
GtkWidget *page);
-static void gtk_assistant_set_child_property (GtkContainer *container,
- GtkWidget *child,
+static void gtk_assistant_page_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
-static void gtk_assistant_get_child_property (GtkContainer *container,
- GtkWidget *child,
+static void gtk_assistant_page_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gtk_assistant_buildable_interface_init (GtkBuildableIface *iface);
+static void gtk_assistant_buildable_add_child (GtkBuildable *buildable,
+ GtkBuilder *builder,
+ GObject *child,
+ const char *type);
static gboolean gtk_assistant_buildable_custom_tag_start (GtkBuildable *buildable,
GtkBuilder *builder,
GObject *child,
@@ -180,17 +191,107 @@ static void assistant_remove_page_cb (GtkContainer *con
GtkWidget *page,
GtkAssistant *assistant);
+static int gtk_assistant_add_page (GtkAssistant *assistant,
+ GtkAssistantPage *page_info,
+ gint position);
+
GType _gtk_assistant_accessible_get_type (void);
enum
{
CHILD_PROP_0,
+ CHILD_PROP_CHILD,
CHILD_PROP_PAGE_TYPE,
CHILD_PROP_PAGE_TITLE,
CHILD_PROP_PAGE_COMPLETE,
CHILD_PROP_HAS_PADDING
};
+G_DEFINE_TYPE (GtkAssistantPage, gtk_assistant_page, G_TYPE_OBJECT)
+
+static void
+gtk_assistant_page_init (GtkAssistantPage *page)
+{
+ page->type = GTK_ASSISTANT_PAGE_CONTENT;
+}
+
+static void
+gtk_assistant_page_finalize (GObject *object)
+{
+ GtkAssistantPage *page = GTK_ASSISTANT_PAGE (object);
+
+ g_clear_object (&page->page);
+ g_free (page->title);
+
+ G_OBJECT_CLASS (gtk_assistant_page_parent_class)->finalize (object);
+}
+
+static void
+gtk_assistant_page_class_init (GtkAssistantPageClass *class)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (class);
+
+ object_class->finalize = gtk_assistant_page_finalize;
+ object_class->get_property = gtk_assistant_page_get_property;
+ object_class->set_property = gtk_assistant_page_set_property;
+
+ /**
+ * GtkAssistantPage:page-type:
+ *
+ * The type of the assistant page.
+ */
+ g_object_class_install_property (object_class,
+ CHILD_PROP_PAGE_TYPE,
+ g_param_spec_enum ("page-type",
+ P_("Page type"),
+ P_("The type of the assistant page"),
+ GTK_TYPE_ASSISTANT_PAGE_TYPE,
+ GTK_ASSISTANT_PAGE_CONTENT,
+ GTK_PARAM_READWRITE));
+
+ /**
+ * GtkAssistantPage:title:
+ *
+ * The title of the page.
+ */
+ g_object_class_install_property (object_class,
+ CHILD_PROP_PAGE_TITLE,
+ g_param_spec_string ("title",
+ P_("Page title"),
+ P_("The title of the assistant page"),
+ NULL,
+ GTK_PARAM_READWRITE));
+
+ /**
+ * GtkAssistantPage:complete:
+ *
+ * Setting the "complete" property to %TRUE marks a page as
+ * complete (i.e.: all the required fields are filled out). GTK+ uses
+ * this information to control the sensitivity of the navigation buttons.
+ */
+ g_object_class_install_property (object_class,
+ CHILD_PROP_PAGE_COMPLETE,
+ g_param_spec_boolean ("complete",
+ P_("Page complete"),
+ P_("Whether all required fields on the page have
been filled out"),
+ FALSE,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ CHILD_PROP_HAS_PADDING,
+ g_param_spec_boolean ("has-padding",
+ P_("Has padding"),
+ P_("Whether the assistant adds padding around the
page"),
+ TRUE,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ CHILD_PROP_CHILD,
+ g_param_spec_object ("child",
+ P_("Child widget"),
+ P_("The content the assistant page"),
+ GTK_TYPE_WIDGET,
+ GTK_PARAM_READWRITE));
+}
+
enum
{
CANCEL,
@@ -395,8 +496,6 @@ gtk_assistant_class_init (GtkAssistantClass *class)
container_class->add = gtk_assistant_add;
container_class->remove = gtk_assistant_remove;
- container_class->set_child_property = gtk_assistant_set_child_property;
- container_class->get_child_property = gtk_assistant_get_child_property;
window_class->close_request = gtk_assistant_close_request;
@@ -506,51 +605,6 @@ gtk_assistant_class_init (GtkAssistantClass *class)
-1, 1, -1,
GTK_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
- /**
- * GtkAssistant:page-type:
- *
- * The type of the assistant page.
- */
- gtk_container_class_install_child_property (container_class,
- CHILD_PROP_PAGE_TYPE,
- g_param_spec_enum ("page-type",
- P_("Page type"),
- P_("The type of the assistant page"),
- GTK_TYPE_ASSISTANT_PAGE_TYPE,
- GTK_ASSISTANT_PAGE_CONTENT,
- GTK_PARAM_READWRITE));
-
- /**
- * GtkAssistant:title:
- *
- * The title of the page.
- */
- gtk_container_class_install_child_property (container_class,
- CHILD_PROP_PAGE_TITLE,
- g_param_spec_string ("title",
- P_("Page title"),
- P_("The title of the assistant page"),
- NULL,
- GTK_PARAM_READWRITE));
-
- /**
- * GtkAssistant:complete:
- *
- * Setting the "complete" child property to %TRUE marks a page as
- * complete (i.e.: all the required fields are filled out). GTK+ uses
- * this information to control the sensitivity of the navigation buttons.
- */
- gtk_container_class_install_child_property (container_class,
- CHILD_PROP_PAGE_COMPLETE,
- g_param_spec_boolean ("complete",
- P_("Page complete"),
- P_("Whether all required fields on the
page have been filled out"),
- FALSE,
- G_PARAM_READWRITE));
-
- gtk_container_class_install_child_property (container_class, CHILD_PROP_HAS_PADDING,
- g_param_spec_boolean ("has-padding", P_("Has padding"), P_("Whether the assistant adds padding around
the page"),
- TRUE, G_PARAM_READWRITE));
/* Bind class to template
*/
@@ -1019,9 +1073,9 @@ alternative_button_order (GtkAssistant *assistant)
}
static void
-on_page_notify (GtkWidget *widget,
- GParamSpec *arg,
- gpointer data)
+on_page_page_notify (GtkWidget *widget,
+ GParamSpec *arg,
+ gpointer data)
{
GtkAssistant *assistant = GTK_ASSISTANT (data);
@@ -1032,6 +1086,15 @@ on_page_notify (GtkWidget *widget,
}
}
+static void
+on_page_notify (GtkAssistantPage *page,
+ GParamSpec *arg,
+ gpointer data)
+{
+ if (page->page)
+ on_page_page_notify (page->page, arg, data);
+}
+
static void
assistant_remove_page_cb (GtkContainer *container,
GtkWidget *page,
@@ -1072,7 +1135,8 @@ assistant_remove_page_cb (GtkContainer *container,
}
}
- g_signal_handlers_disconnect_by_func (page_info->page, on_page_notify, assistant);
+ g_signal_handlers_disconnect_by_func (page_info->page, on_page_page_notify, assistant);
+ g_signal_handlers_disconnect_by_func (page_info, on_page_notify, assistant);
gtk_size_group_remove_widget (priv->title_size_group, page_info->regular_title);
gtk_size_group_remove_widget (priv->title_size_group, page_info->current_title);
@@ -1083,9 +1147,8 @@ assistant_remove_page_cb (GtkContainer *container,
priv->pages = g_list_remove_link (priv->pages, element);
priv->visited_pages = g_slist_remove_all (priv->visited_pages, page_info);
- g_free (page_info->title);
+ g_object_unref (page_info);
- g_slice_free (GtkAssistantPage, page_info);
g_list_free_1 (element);
if (gtk_widget_get_mapped (GTK_WIDGET (assistant)))
@@ -1132,65 +1195,121 @@ gtk_assistant_init (GtkAssistant *assistant)
}
static void
-gtk_assistant_set_child_property (GtkContainer *container,
- GtkWidget *child,
- guint property_id,
- const GValue *value,
- GParamSpec *pspec)
+gtk_assistant_page_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
{
+ GtkAssistantPage *page = GTK_ASSISTANT_PAGE (object);
+ GtkWidget *assistant = NULL;
+
+ if (page->page)
+ assistant = gtk_widget_get_ancestor (page->page, GTK_TYPE_ASSISTANT);
+
switch (property_id)
{
+ case CHILD_PROP_CHILD:
+ g_set_object (&page->page, g_value_get_object (value));
+ break;
+
case CHILD_PROP_PAGE_TYPE:
- gtk_assistant_set_page_type (GTK_ASSISTANT (container), child,
- g_value_get_enum (value));
+ if (page->type != g_value_get_enum (value))
+ {
+ page->type = g_value_get_enum (value);
+
+ /* backwards compatibility to the era before fixing bug 604289 */
+ if (page->type == GTK_ASSISTANT_PAGE_SUMMARY && !page->complete_set)
+ {
+ page->complete = TRUE;
+ page->complete_set = FALSE;
+ }
+
+ /* Always set buttons state, a change in a future page
+ * might change current page buttons
+ */
+ if (assistant)
+ update_buttons_state (GTK_ASSISTANT (assistant));
+ g_object_notify (G_OBJECT (page), "page-type");
+ }
break;
+
case CHILD_PROP_PAGE_TITLE:
- gtk_assistant_set_page_title (GTK_ASSISTANT (container), child,
- g_value_get_string (value));
+ g_free (page->title);
+ page->title = g_value_dup_string (value);
+
+ if (assistant)
+ {
+ gtk_label_set_text ((GtkLabel*) page->regular_title, page->title);
+ gtk_label_set_text ((GtkLabel*) page->current_title, page->title);
+ update_title_state (GTK_ASSISTANT (assistant));
+ }
+
+ g_object_notify (G_OBJECT (page), "title");
+
break;
+
case CHILD_PROP_PAGE_COMPLETE:
- gtk_assistant_set_page_complete (GTK_ASSISTANT (container), child,
- g_value_get_boolean (value));
+ if (page->complete != g_value_get_boolean (value))
+ {
+ page->complete = g_value_get_boolean (value);
+ page->complete_set = TRUE;
+
+ /* Always set buttons state, a change in a future page
+ * might change current page buttons
+ */
+ if (assistant)
+ update_buttons_state (GTK_ASSISTANT (assistant));
+ g_object_notify (G_OBJECT (page), "complete");
+ }
break;
+
case CHILD_PROP_HAS_PADDING:
- gtk_assistant_set_page_has_padding (GTK_ASSISTANT (container), child,
- g_value_get_boolean (value));
+ if (page->has_padding != g_value_get_boolean (value))
+ {
+ page->has_padding = g_value_get_boolean (value);
+ g_object_set (page->box, "margin", page->has_padding ? 12 : 0, NULL);
+ g_object_notify (G_OBJECT (page), "has-padding");
+ }
break;
+
default:
- GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
-gtk_assistant_get_child_property (GtkContainer *container,
- GtkWidget *child,
- guint property_id,
- GValue *value,
- GParamSpec *pspec)
+gtk_assistant_page_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
{
- GtkAssistant *assistant = GTK_ASSISTANT (container);
+ GtkAssistantPage *page = GTK_ASSISTANT_PAGE (object);
switch (property_id)
{
+ case CHILD_PROP_CHILD:
+ g_value_set_object (value, page->page);
+ break;
+
case CHILD_PROP_PAGE_TYPE:
- g_value_set_enum (value,
- gtk_assistant_get_page_type (assistant, child));
+ g_value_set_enum (value, page->type);
break;
+
case CHILD_PROP_PAGE_TITLE:
- g_value_set_string (value,
- gtk_assistant_get_page_title (assistant, child));
+ g_value_set_string (value, page->title);
break;
+
case CHILD_PROP_PAGE_COMPLETE:
- g_value_set_boolean (value,
- gtk_assistant_get_page_complete (assistant, child));
+ g_value_set_boolean (value, page->complete);
break;
+
case CHILD_PROP_HAS_PADDING:
- g_value_set_boolean (value,
- gtk_assistant_get_page_has_padding (assistant, child));
+ g_value_set_boolean (value, page->has_padding);
break;
+
default:
- GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
@@ -1342,13 +1461,14 @@ gtk_assistant_add (GtkContainer *container,
* For the first invocation (from the builder template invocation),
* let's make sure we add the actual direct container content properly.
*/
- if (!gtk_bin_get_child (GTK_BIN (container)))
+ if (!GTK_ASSISTANT (container)->priv->constructed)
{
gtk_widget_set_parent (page, GTK_WIDGET (container));
_gtk_bin_set_child (GTK_BIN (container), page);
return;
}
+g_print ("after template init\n");
gtk_assistant_append_page (GTK_ASSISTANT (container), page);
}
@@ -1639,25 +1759,33 @@ gtk_assistant_insert_page (GtkAssistant *assistant,
GtkWidget *page,
gint position)
{
- GtkAssistantPrivate *priv;
GtkAssistantPage *page_info;
- gint n_pages;
- GtkStyleContext *context;
- GtkWidget *box;
- GtkWidget *sibling;
g_return_val_if_fail (GTK_IS_ASSISTANT (assistant), 0);
g_return_val_if_fail (GTK_IS_WIDGET (page), 0);
g_return_val_if_fail (gtk_widget_get_parent (page) == NULL, 0);
g_return_val_if_fail (!gtk_widget_is_toplevel (page), 0);
- priv = assistant->priv;
-
- page_info = g_slice_new0 (GtkAssistantPage);
- page_info->page = page;
- page_info->regular_title = gtk_label_new (NULL);
+ page_info = g_object_new (GTK_TYPE_ASSISTANT_PAGE, NULL);
+ page_info->page = g_object_ref (page);
page_info->has_padding = TRUE;
- page_info->current_title = gtk_label_new (NULL);
+
+ return gtk_assistant_add_page (assistant, page_info, position);
+}
+
+static int
+gtk_assistant_add_page (GtkAssistant *assistant,
+ GtkAssistantPage *page_info,
+ gint position)
+{
+ GtkAssistantPrivate *priv = assistant->priv;
+ gint n_pages;
+ GtkStyleContext *context;
+ GtkWidget *box;
+ GtkWidget *sibling;
+
+ page_info->regular_title = gtk_label_new (page_info->title);
+ page_info->current_title = gtk_label_new (page_info->title);
gtk_label_set_xalign (GTK_LABEL (page_info->regular_title), 0.0);
gtk_label_set_xalign (GTK_LABEL (page_info->current_title), 0.0);
@@ -1671,13 +1799,13 @@ gtk_assistant_insert_page (GtkAssistant *assistant,
gtk_size_group_add_widget (priv->title_size_group, page_info->regular_title);
gtk_size_group_add_widget (priv->title_size_group, page_info->current_title);
- g_signal_connect (G_OBJECT (page), "notify::visible",
- G_CALLBACK (on_page_notify), assistant);
+ g_signal_connect (G_OBJECT (page_info->page), "notify::visible",
+ G_CALLBACK (on_page_page_notify), assistant);
- g_signal_connect (G_OBJECT (page), "child-notify::page-title",
+ g_signal_connect (G_OBJECT (page_info), "notify::page-title",
G_CALLBACK (on_page_notify), assistant);
- g_signal_connect (G_OBJECT (page), "child-notify::page-type",
+ g_signal_connect (G_OBJECT (page_info), "notify::page-type",
G_CALLBACK (on_page_notify), assistant);
n_pages = g_list_length (priv->pages);
@@ -1702,7 +1830,7 @@ gtk_assistant_insert_page (GtkAssistant *assistant,
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_widget_show (box);
- gtk_container_add (GTK_CONTAINER (box), page);
+ gtk_container_add (GTK_CONTAINER (box), page_info->page);
g_object_set (box, "margin", 12, NULL);
g_signal_connect (box, "remove", G_CALLBACK (assistant_remove_page_cb), assistant);
@@ -1893,15 +2021,7 @@ gtk_assistant_set_page_title (GtkAssistant *assistant,
page_info = (GtkAssistantPage*) child->data;
- g_free (page_info->title);
- page_info->title = g_strdup (title);
-
- gtk_label_set_text ((GtkLabel*) page_info->regular_title, title);
- gtk_label_set_text ((GtkLabel*) page_info->current_title, title);
-
- update_title_state (assistant);
-
- gtk_container_child_notify (GTK_CONTAINER (assistant), page, "title");
+ g_object_set (page_info, "title", title, NULL);
}
/**
@@ -1959,24 +2079,7 @@ gtk_assistant_set_page_type (GtkAssistant *assistant,
page_info = (GtkAssistantPage*) child->data;
- if (type != page_info->type)
- {
- page_info->type = type;
-
- /* backwards compatibility to the era before fixing bug 604289 */
- if (type == GTK_ASSISTANT_PAGE_SUMMARY && !page_info->complete_set)
- {
- gtk_assistant_set_page_complete (assistant, page, TRUE);
- page_info->complete_set = FALSE;
- }
-
- /* Always set buttons state, a change in a future page
- * might change current page buttons
- */
- update_buttons_state (assistant);
-
- gtk_container_child_notify (GTK_CONTAINER (assistant), page, "page-type");
- }
+ g_object_set (page_info, "type", type, NULL);
}
/**
@@ -2035,18 +2138,7 @@ gtk_assistant_set_page_complete (GtkAssistant *assistant,
page_info = (GtkAssistantPage*) child->data;
- if (complete != page_info->complete)
- {
- page_info->complete = complete;
- page_info->complete_set = TRUE;
-
- /* Always set buttons state, a change in a future page
- * might change current page buttons
- */
- update_buttons_state (assistant);
-
- gtk_container_child_notify (GTK_CONTAINER (assistant), page, "complete");
- }
+ g_object_set (page_info, "complete", complete, NULL);
}
/**
@@ -2103,16 +2195,7 @@ gtk_assistant_set_page_has_padding (GtkAssistant *assistant,
page_info = (GtkAssistantPage*) child->data;
- if (page_info->has_padding != has_padding)
- {
- page_info->has_padding = has_padding;
-
- g_object_set (page_info->box,
- "margin", has_padding ? 12 : 0,
- NULL);
-
- gtk_container_child_notify (GTK_CONTAINER (assistant), page, "has-padding");
- }
+ g_object_set (page_info, "has-padding", has_padding, NULL);
}
/**
@@ -2285,6 +2368,27 @@ gtk_assistant_buildable_interface_init (GtkBuildableIface *iface)
parent_buildable_iface = g_type_interface_peek_parent (iface);
iface->custom_tag_start = gtk_assistant_buildable_custom_tag_start;
iface->custom_finished = gtk_assistant_buildable_custom_finished;
+ iface->add_child = gtk_assistant_buildable_add_child;
+}
+
+static void
+gtk_assistant_buildable_add_child (GtkBuildable *buildable,
+ GtkBuilder *builder,
+ GObject *child,
+ const char *type)
+{
+ if (GTK_IS_ASSISTANT_PAGE (child))
+ gtk_assistant_add_page (GTK_ASSISTANT (buildable), GTK_ASSISTANT_PAGE (child), -1);
+ else if (type && g_str_equal (type, "titlebar"))
+ {
+ GtkAssistant *assistant = GTK_ASSISTANT (buildable);
+ assistant->priv->headerbar = GTK_WIDGET (child);
+ gtk_window_set_titlebar (GTK_WINDOW (buildable), assistant->priv->headerbar);
+ }
+ else if (GTK_IS_WIDGET (child))
+ gtk_container_add (GTK_CONTAINER (buildable), GTK_WIDGET (child));
+ else
+ g_warning ("Can't add a child of type '%s' to '%s'", G_OBJECT_TYPE_NAME (child), G_OBJECT_TYPE_NAME
(buildable));
}
gboolean
@@ -2309,3 +2413,36 @@ gtk_assistant_buildable_custom_finished (GtkBuildable *buildable,
parent_buildable_iface->custom_finished (buildable, builder, child,
tagname, user_data);
}
+
+/**
+ * gtk_assistant_get_page:
+ * @assistant: a #GtkAssistant
+ * @child: a child of @assistant
+ *
+ * Returns the #GtkAssistantPage object for @child.
+ *
+ * Returns: (transfer none): the #GtkAssistantPage for @child
+ */
+GtkAssistantPage *
+gtk_assistant_get_page (GtkAssistant *assistant,
+ GtkWidget *child)
+{
+ GList *page_info = find_page (assistant, child);
+ return (GtkAssistantPage *) (page_info ? page_info->data : NULL);
+}
+
+/**
+ * gtk_assistant_page_get_child:
+ * @page: a #GtkAssistantPage
+ *
+ * Returns the child to which @page belongs.
+ *
+ * Returns: (transfer none): the child to which @page belongs
+ */
+GtkWidget *
+gtk_assistant_page_get_child (GtkAssistantPage *page)
+{
+ return page->page;
+}
+
+
diff --git a/gtk/gtkassistant.h b/gtk/gtkassistant.h
index 5d5629a9f1..0a09b3162b 100644
--- a/gtk/gtkassistant.h
+++ b/gtk/gtkassistant.h
@@ -118,6 +118,16 @@ struct _GtkAssistantClass
void (*_gtk_reserved5) (void);
};
+#define GTK_TYPE_ASSISTANT_PAGE (gtk_assistant_page_get_type ())
+#define GTK_ASSISTANT_PAGE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_ASSISTANT_PAGE,
GtkAssistantPage))
+#define GTK_ASSISTANT_PAGE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_ASSISTANT_PAGE,
GtkAssistantPageClass))
+#define GTK_IS_ASSISTANT_PAGE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_ASSISTANT_PAGE))
+#define GTK_IS_ASSISTANT_PAGE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_ASSISTANT_PAGE))
+#define GTK_ASSISTANT_PAGE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_ASSISTANT_PAGE,
GtkAssistantPageClass))
+
+typedef struct _GtkAssistantPage GtkAssistantPage;
+typedef struct _GtkAssistantPageClass GtkAssistantPageClass;
+
/**
* GtkAssistantPageFunc:
* @current_page: The page number used to calculate the next page.
@@ -132,6 +142,8 @@ struct _GtkAssistantClass
*/
typedef gint (*GtkAssistantPageFunc) (gint current_page, gpointer data);
+GDK_AVAILABLE_IN_ALL
+GType gtk_assistant_page_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GType gtk_assistant_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
@@ -209,6 +221,12 @@ void gtk_assistant_set_page_has_padding (GtkAssistant *assista
GDK_AVAILABLE_IN_ALL
gboolean gtk_assistant_get_page_has_padding (GtkAssistant *assistant,
GtkWidget *page);
+GDK_AVAILABLE_IN_ALL
+GtkAssistantPage * gtk_assistant_get_page (GtkAssistant *assistant,
+ GtkWidget *child);
+GDK_AVAILABLE_IN_ALL
+GtkWidget * gtk_assistant_page_get_child (GtkAssistantPage *page);
+
G_END_DECLS
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