/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2013 Red Hat, Inc.
*/
/**
* SECTION:nmt-newt-container
* @short_description: Base class for containers
*
* #NmtNewtContainer is the base class for #NmtNewtWidgets that
* contain other widgets.
*
* #NmtNewtGrid is the most generic container type.
*/
#include "libnm-client-aux-extern/nm-default-client.h"
#include "nmt-newt-container.h"
#include "nmt-newt-component.h"
G_DEFINE_ABSTRACT_TYPE(NmtNewtContainer, nmt_newt_container, NMT_TYPE_NEWT_WIDGET)
#define NMT_NEWT_CONTAINER_GET_PRIVATE(o) \
(G_TYPE_INSTANCE_GET_PRIVATE((o), NMT_TYPE_NEWT_CONTAINER, NmtNewtContainerPrivate))
typedef struct {
GPtrArray *children;
} NmtNewtContainerPrivate;
static void child_needs_rebuild(NmtNewtWidget *widget, gpointer user_data);
static void
nmt_newt_container_init(NmtNewtContainer *container)
{
NmtNewtContainerPrivate *priv = NMT_NEWT_CONTAINER_GET_PRIVATE(container);
priv->children = g_ptr_array_new();
}
static void
nmt_newt_container_finalize(GObject *object)
{
NmtNewtContainer * container = NMT_NEWT_CONTAINER(object);
NmtNewtContainerPrivate *priv = NMT_NEWT_CONTAINER_GET_PRIVATE(object);
while (priv->children->len)
nmt_newt_container_remove(container, priv->children->pdata[0]);
G_OBJECT_CLASS(nmt_newt_container_parent_class)->finalize(object);
}
static void
nmt_newt_container_realize(NmtNewtWidget *widget)
{
NmtNewtContainerPrivate *priv = NMT_NEWT_CONTAINER_GET_PRIVATE(widget);
int i;
for (i = 0; i < priv->children->len; i++)
nmt_newt_widget_realize(priv->children->pdata[i]);
}
static void
nmt_newt_container_unrealize(NmtNewtWidget *widget)
{
NmtNewtContainerPrivate *priv = NMT_NEWT_CONTAINER_GET_PRIVATE(widget);
int i;
for (i = 0; i < priv->children->len; i++)
nmt_newt_widget_unrealize(priv->children->pdata[i]);
}
static void
child_needs_rebuild(NmtNewtWidget *widget, gpointer user_data)
{
NmtNewtWidget *container = user_data;
nmt_newt_widget_needs_rebuild(container);
}
static void
nmt_newt_container_real_child_validity_changed(NmtNewtContainer *container, NmtNewtWidget *widget)
{
NmtNewtContainerPrivate *priv;
int i;
if (widget) {
if (!nmt_newt_widget_get_visible(widget))
return;
if (!nmt_newt_widget_get_valid(widget)) {
nmt_newt_widget_set_valid(NMT_NEWT_WIDGET(container), FALSE);
return;
}
}
priv = NMT_NEWT_CONTAINER_GET_PRIVATE(container);
for (i = 0; i < priv->children->len; i++) {
widget = priv->children->pdata[i];
if (nmt_newt_widget_get_visible(widget) && !nmt_newt_widget_get_valid(widget)) {
nmt_newt_widget_set_valid(NMT_NEWT_WIDGET(container), FALSE);
return;
}
}
nmt_newt_widget_set_valid(NMT_NEWT_WIDGET(container), TRUE);
}
static void
nmt_newt_container_child_validity_changed(NmtNewtContainer *container, NmtNewtWidget *widget)
{
NMT_NEWT_CONTAINER_GET_CLASS(container)->child_validity_changed(container, widget);
}
static void
child_validity_notify(GObject *object, GParamSpec *pspec, gpointer container)
{
nmt_newt_container_child_validity_changed(container, NMT_NEWT_WIDGET(object));
}
static void
nmt_newt_container_real_add(NmtNewtContainer *container, NmtNewtWidget *widget)
{
NmtNewtContainerPrivate *priv = NMT_NEWT_CONTAINER_GET_PRIVATE(container);
g_signal_connect(widget, "needs-rebuild", G_CALLBACK(child_needs_rebuild), container);
g_signal_connect(widget, "notify::valid", G_CALLBACK(child_validity_notify), container);
g_ptr_array_add(priv->children, g_object_ref_sink(widget));
nmt_newt_widget_set_parent(widget, NMT_NEWT_WIDGET(container));
nmt_newt_container_child_validity_changed(container, widget);
nmt_newt_widget_needs_rebuild(NMT_NEWT_WIDGET(container));
}
static void
nmt_newt_container_real_remove(NmtNewtContainer *container, NmtNewtWidget *widget)
{
NmtNewtContainerPrivate *priv = NMT_NEWT_CONTAINER_GET_PRIVATE(container);
int i;
for (i = 0; i < priv->children->len; i++) {
if (widget == priv->children->pdata[i]) {
g_ptr_array_remove_index(priv->children, i);
g_signal_handlers_disconnect_by_func(widget,
G_CALLBACK(child_needs_rebuild),
container);
g_signal_handlers_disconnect_by_func(widget,
G_CALLBACK(child_validity_notify),
container);
nmt_newt_widget_set_parent(widget, NULL);
g_object_unref(widget);
nmt_newt_container_child_validity_changed(container, NULL);
nmt_newt_widget_needs_rebuild(NMT_NEWT_WIDGET(container));
return;
}
}
}
/**
* nmt_newt_container_remove:
* @container: the #NmtNewtContainer
* @widget: the child to remove
*
* Removes @widget from @container.
*
* Note that there is not a corresponding
* <literal>nmt_newt_container_add ()</literal>; you must use
* container-type-specific methods to add widgets to containers.
*/
void
nmt_newt_container_remove(NmtNewtContainer *container, NmtNewtWidget *widget)
{
NMT_NEWT_CONTAINER_GET_CLASS(container)->remove(container, widget);
}
static NmtNewtWidget *
nmt_newt_container_find_component(NmtNewtWidget *widget, newtComponent co)
{
NmtNewtContainerPrivate *priv = NMT_NEWT_CONTAINER_GET_PRIVATE(widget);
NmtNewtWidget * found, *child;
int i;
for (i = 0; i < priv->children->len; i++) {
child = priv->children->pdata[i];
found = nmt_newt_widget_find_component(child, co);
if (found)
return found;
}
return NULL;
}
/**
* nmt_newt_container_get_children:
* @container: an #NmtNewtContainer
*
* Gets a list of @container's children.
*
* Returns: (transfer full): a list of @container's children.
*/
GSList *
nmt_newt_container_get_children(NmtNewtContainer *container)
{
NmtNewtContainerPrivate *priv = NMT_NEWT_CONTAINER_GET_PRIVATE(container);
GSList * ret;
int i;
for (i = 0, ret = NULL; i < priv->children->len; i++)
ret = g_slist_prepend(ret, g_object_ref(priv->children->pdata[i]));
return g_slist_reverse(ret);
}
static void
nmt_newt_container_class_init(NmtNewtContainerClass *container_class)
{
GObjectClass * object_class = G_OBJECT_CLASS(container_class);
NmtNewtWidgetClass *widget_class = NMT_NEWT_WIDGET_CLASS(container_class);
g_type_class_add_private(container_class, sizeof(NmtNewtContainerPrivate));
/* virtual methods */
object_class->finalize = nmt_newt_container_finalize;
widget_class->realize = nmt_newt_container_realize;
widget_class->unrealize = nmt_newt_container_unrealize;
widget_class->find_component = nmt_newt_container_find_component;
container_class->add = nmt_newt_container_real_add;
container_class->remove = nmt_newt_container_real_remove;
container_class->child_validity_changed = nmt_newt_container_real_child_validity_changed;
}