*
* Copyright 2025 Adam Masciola
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#include "bz-dynamic-list-view.h"
#include "bz-marshalers.h"
G_DEFINE_ENUM_TYPE (
BzDynamicListViewKind,
bz_dynamic_list_view_kind,
G_DEFINE_ENUM_VALUE (BZ_DYNAMIC_LIST_VIEW_KIND_HBOX, "h-box"),
G_DEFINE_ENUM_VALUE (BZ_DYNAMIC_LIST_VIEW_KIND_VBOX, "v-box"),
G_DEFINE_ENUM_VALUE (BZ_DYNAMIC_LIST_VIEW_KIND_LIST_BOX, "list-box"),
G_DEFINE_ENUM_VALUE (BZ_DYNAMIC_LIST_VIEW_KIND_FLOW_BOX, "flow-box"),
G_DEFINE_ENUM_VALUE (BZ_DYNAMIC_LIST_VIEW_KIND_CAROUSEL, "carousel"))
struct _BzDynamicListView
{
AdwBin parent_instance;
GListModel *model;
gboolean scroll;
BzDynamicListViewKind noscroll_kind;
GType child_type;
char *child_prop;
char *object_prop;
guint max_children_per_line;
guint row_spacing;
guint column_spacing;
char *child_type_string;
GtkScrolledWindow *scrolled_window;
GPtrArray *box_children;
};
G_DEFINE_FINAL_TYPE (BzDynamicListView, bz_dynamic_list_view, ADW_TYPE_BIN);
enum
{
PROP_0,
PROP_MODEL,
PROP_SCROLL,
PROP_NOSCROLL_KIND,
PROP_CHILD_TYPE,
PROP_CHILD_PROP,
PROP_OBJECT_PROP,
PROP_MAX_CHILDREN_PER_LINE,
PROP_VADJUSTMENT,
PROP_ROW_SPACING,
PROP_COLUMN_SPACING,
LAST_PROP
};
static GParamSpec *props[LAST_PROP] = { 0 };
enum
{
SIGNAL_BIND_WIDGET,
SIGNAL_UNBIND_WIDGET,
LAST_SIGNAL,
};
static guint signals[LAST_SIGNAL];
static void
refresh (BzDynamicListView *self);
static void
list_item_factory_setup (BzDynamicListView *self,
GtkListItem *item,
GtkSignalListItemFactory *factory);
static void
list_item_factory_teardown (BzDynamicListView *self,
GtkListItem *item,
GtkSignalListItemFactory *factory);
static void
list_item_factory_bind (BzDynamicListView *self,
GtkListItem *item,
GtkSignalListItemFactory *factory);
static void
list_item_factory_unbind (BzDynamicListView *self,
GtkListItem *item,
GtkSignalListItemFactory *factory);
static GtkWidget *
create_child_widget (GObject *object,
BzDynamicListView *self);
static void
items_changed (GListModel *model,
guint position,
guint removed,
guint added,
BzDynamicListView *self);
static void
bz_dynamic_list_view_dispose (GObject *object)
{
BzDynamicListView *self = BZ_DYNAMIC_LIST_VIEW (object);
if (self->model != NULL)
g_signal_handlers_disconnect_by_func (self->model, items_changed, self);
g_clear_object (&self->model);
g_clear_pointer (&self->child_prop, g_free);
g_clear_pointer (&self->object_prop, g_free);
g_clear_pointer (&self->child_type_string, g_free);
g_clear_pointer (&self->box_children, g_ptr_array_unref);
G_OBJECT_CLASS (bz_dynamic_list_view_parent_class)->dispose (object);
}
static void
bz_dynamic_list_view_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
BzDynamicListView *self = BZ_DYNAMIC_LIST_VIEW (object);
switch (prop_id)
{
case PROP_MODEL:
g_value_set_object (value, bz_dynamic_list_view_get_model (self));
break;
case PROP_SCROLL:
g_value_set_boolean (value, bz_dynamic_list_view_get_scroll (self));
break;
case PROP_NOSCROLL_KIND:
g_value_set_enum (value, bz_dynamic_list_view_get_noscroll_kind (self));
break;
case PROP_CHILD_TYPE:
g_value_set_string (value, bz_dynamic_list_view_get_child_type (self));
break;
case PROP_CHILD_PROP:
g_value_set_string (value, bz_dynamic_list_view_get_child_prop (self));
break;
case PROP_OBJECT_PROP:
g_value_set_string (value, bz_dynamic_list_view_get_object_prop (self));
break;
case PROP_MAX_CHILDREN_PER_LINE:
g_value_set_uint (value, bz_dynamic_list_view_get_max_children_per_line (self));
break;
case PROP_VADJUSTMENT:
g_value_set_object (value, bz_dynamic_list_view_get_vadjustment (self));
break;
case PROP_ROW_SPACING:
g_value_set_uint (value, bz_dynamic_list_view_get_row_spacing (self));
break;
case PROP_COLUMN_SPACING:
g_value_set_uint (value, bz_dynamic_list_view_get_column_spacing (self));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
bz_dynamic_list_view_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
BzDynamicListView *self = BZ_DYNAMIC_LIST_VIEW (object);
switch (prop_id)
{
case PROP_MODEL:
bz_dynamic_list_view_set_model (self, g_value_get_object (value));
break;
case PROP_SCROLL:
bz_dynamic_list_view_set_scroll (self, g_value_get_boolean (value));
break;
case PROP_NOSCROLL_KIND:
bz_dynamic_list_view_set_noscroll_kind (self, g_value_get_enum (value));
break;
case PROP_CHILD_TYPE:
bz_dynamic_list_view_set_child_type (self, g_value_get_string (value));
break;
case PROP_CHILD_PROP:
bz_dynamic_list_view_set_child_prop (self, g_value_get_string (value));
break;
case PROP_OBJECT_PROP:
bz_dynamic_list_view_set_object_prop (self, g_value_get_string (value));
break;
case PROP_MAX_CHILDREN_PER_LINE:
bz_dynamic_list_view_set_max_children_per_line (self, g_value_get_uint (value));
break;
case PROP_ROW_SPACING:
bz_dynamic_list_view_set_row_spacing (self, g_value_get_uint (value));
break;
case PROP_COLUMN_SPACING:
bz_dynamic_list_view_set_column_spacing (self, g_value_get_uint (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
bz_dynamic_list_view_class_init (BzDynamicListViewClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->set_property = bz_dynamic_list_view_set_property;
object_class->get_property = bz_dynamic_list_view_get_property;
object_class->dispose = bz_dynamic_list_view_dispose;
props[PROP_MODEL] =
g_param_spec_object (
"model",
NULL, NULL,
G_TYPE_LIST_MODEL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY);
props[PROP_SCROLL] =
g_param_spec_boolean (
"scroll",
NULL, NULL, FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY);
props[PROP_NOSCROLL_KIND] =
g_param_spec_enum (
"noscroll-kind",
NULL, NULL,
BZ_TYPE_DYNAMIC_LIST_VIEW_KIND, BZ_DYNAMIC_LIST_VIEW_KIND_LIST_BOX,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY);
props[PROP_MAX_CHILDREN_PER_LINE] =
g_param_spec_uint (
"max-children-per-line",
NULL, NULL,
1, G_MAXUINT, 4,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY);
props[PROP_ROW_SPACING] =
g_param_spec_uint (
"row-spacing",
NULL, NULL,
0, G_MAXUINT, 11,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY);
props[PROP_COLUMN_SPACING] =
g_param_spec_uint (
"column-spacing",
NULL, NULL,
0, G_MAXUINT, 11,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY);
props[PROP_CHILD_TYPE] =
g_param_spec_string (
"child-type",
NULL, NULL, NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY);
props[PROP_CHILD_PROP] =
g_param_spec_string (
"child-prop",
NULL, NULL, NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY);
props[PROP_OBJECT_PROP] =
g_param_spec_string (
"object-prop",
NULL, NULL, NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY);
props[PROP_VADJUSTMENT] =
g_param_spec_object (
"vadjustment",
NULL, NULL,
GTK_TYPE_ADJUSTMENT,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY);
g_object_class_install_properties (object_class, LAST_PROP, props);
signals[SIGNAL_BIND_WIDGET] =
g_signal_new (
"bind-widget",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_FIRST,
0,
NULL, NULL,
bz_marshal_VOID__OBJECT_OBJECT,
G_TYPE_NONE,
1,
GTK_TYPE_WIDGET);
g_signal_set_va_marshaller (
signals[SIGNAL_BIND_WIDGET],
G_TYPE_FROM_CLASS (klass),
bz_marshal_VOID__OBJECT_OBJECTv);
signals[SIGNAL_UNBIND_WIDGET] =
g_signal_new (
"unbind-widget",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_FIRST,
0,
NULL, NULL,
bz_marshal_VOID__OBJECT_OBJECT,
G_TYPE_NONE,
1,
GTK_TYPE_WIDGET);
g_signal_set_va_marshaller (
signals[SIGNAL_UNBIND_WIDGET],
G_TYPE_FROM_CLASS (klass),
bz_marshal_VOID__OBJECT_OBJECTv);
}
static void
bz_dynamic_list_view_init (BzDynamicListView *self)
{
self->child_type = G_TYPE_INVALID;
self->noscroll_kind = BZ_DYNAMIC_LIST_VIEW_KIND_LIST_BOX;
self->max_children_per_line = 4;
self->row_spacing = 11;
self->column_spacing = 11;
self->box_children = g_ptr_array_new ();
}
BzDynamicListView *
bz_dynamic_list_view_new (void)
{
return g_object_new (BZ_TYPE_DYNAMIC_LIST_VIEW, NULL);
}
GListModel *
bz_dynamic_list_view_get_model (BzDynamicListView *self)
{
g_return_val_if_fail (BZ_IS_DYNAMIC_LIST_VIEW (self), NULL);
return self->model;
}
gboolean
bz_dynamic_list_view_get_scroll (BzDynamicListView *self)
{
g_return_val_if_fail (BZ_IS_DYNAMIC_LIST_VIEW (self), FALSE);
return self->scroll;
}
BzDynamicListViewKind
bz_dynamic_list_view_get_noscroll_kind (BzDynamicListView *self)
{
g_return_val_if_fail (BZ_IS_DYNAMIC_LIST_VIEW (self), FALSE);
return self->noscroll_kind;
}
const char *
bz_dynamic_list_view_get_child_type (BzDynamicListView *self)
{
g_return_val_if_fail (BZ_IS_DYNAMIC_LIST_VIEW (self), NULL);
return self->child_type_string;
}
const char *
bz_dynamic_list_view_get_child_prop (BzDynamicListView *self)
{
g_return_val_if_fail (BZ_IS_DYNAMIC_LIST_VIEW (self), NULL);
return self->child_prop;
}
const char *
bz_dynamic_list_view_get_object_prop (BzDynamicListView *self)
{
g_return_val_if_fail (BZ_IS_DYNAMIC_LIST_VIEW (self), NULL);
return self->object_prop;
}
guint
bz_dynamic_list_view_get_max_children_per_line (BzDynamicListView *self)
{
g_return_val_if_fail (BZ_IS_DYNAMIC_LIST_VIEW (self), 4);
return self->max_children_per_line;
}
GtkAdjustment *
bz_dynamic_list_view_get_vadjustment (BzDynamicListView *self)
{
g_return_val_if_fail (BZ_IS_DYNAMIC_LIST_VIEW (self), NULL);
if (self->scrolled_window == NULL)
return NULL;
return gtk_scrolled_window_get_vadjustment (self->scrolled_window);
}
void
bz_dynamic_list_view_set_model (BzDynamicListView *self,
GListModel *model)
{
g_return_if_fail (BZ_IS_DYNAMIC_LIST_VIEW (self));
if (self->model != NULL)
g_signal_handlers_disconnect_by_func (self->model, items_changed, self);
g_clear_object (&self->model);
if (model != NULL)
self->model = g_object_ref (model);
refresh (self);
g_object_notify_by_pspec (G_OBJECT (self), props[PROP_MODEL]);
}
void
bz_dynamic_list_view_set_scroll (BzDynamicListView *self,
gboolean scroll)
{
g_return_if_fail (BZ_IS_DYNAMIC_LIST_VIEW (self));
self->scroll = scroll;
refresh (self);
g_object_notify_by_pspec (G_OBJECT (self), props[PROP_SCROLL]);
}
void
bz_dynamic_list_view_set_noscroll_kind (BzDynamicListView *self,
BzDynamicListViewKind noscroll_kind)
{
g_return_if_fail (BZ_IS_DYNAMIC_LIST_VIEW (self));
g_return_if_fail (noscroll_kind >= 0 && noscroll_kind < BZ_DYNAMIC_LIST_VIEW_N_KINDS);
self->noscroll_kind = noscroll_kind;
refresh (self);
g_object_notify_by_pspec (G_OBJECT (self), props[PROP_NOSCROLL_KIND]);
}
void
bz_dynamic_list_view_set_child_type (BzDynamicListView *self,
const char *child_type)
{
GType type = G_TYPE_INVALID;
g_return_if_fail (BZ_IS_DYNAMIC_LIST_VIEW (self));
if (child_type != NULL)
{
type = g_type_from_name (child_type);
g_return_if_fail (g_type_is_a (type, GTK_TYPE_WIDGET));
}
g_clear_pointer (&self->child_type_string, g_free);
self->child_type = type;
if (child_type != NULL)
self->child_type_string = g_strdup (child_type);
refresh (self);
g_object_notify_by_pspec (G_OBJECT (self), props[PROP_CHILD_TYPE]);
}
void
bz_dynamic_list_view_set_child_prop (BzDynamicListView *self,
const char *child_prop)
{
g_return_if_fail (BZ_IS_DYNAMIC_LIST_VIEW (self));
g_clear_pointer (&self->child_prop, g_free);
if (child_prop != NULL)
self->child_prop = g_strdup (child_prop);
refresh (self);
g_object_notify_by_pspec (G_OBJECT (self), props[PROP_CHILD_PROP]);
}
void
bz_dynamic_list_view_set_object_prop (BzDynamicListView *self,
const char *object_prop)
{
g_return_if_fail (BZ_IS_DYNAMIC_LIST_VIEW (self));
g_clear_pointer (&self->object_prop, g_free);
if (object_prop != NULL)
self->object_prop = g_strdup (object_prop);
refresh (self);
g_object_notify_by_pspec (G_OBJECT (self), props[PROP_OBJECT_PROP]);
}
void
bz_dynamic_list_view_set_max_children_per_line (BzDynamicListView *self,
guint max_children)
{
GtkWidget *child;
g_return_if_fail (BZ_IS_DYNAMIC_LIST_VIEW (self));
g_return_if_fail (max_children > 0);
self->max_children_per_line = max_children;
child = adw_bin_get_child (ADW_BIN (self));
if (child != NULL &&
self->noscroll_kind == BZ_DYNAMIC_LIST_VIEW_KIND_FLOW_BOX &&
!self->scroll)
{
gtk_flow_box_set_max_children_per_line (GTK_FLOW_BOX (child), max_children);
}
g_object_notify_by_pspec (G_OBJECT (self), props[PROP_MAX_CHILDREN_PER_LINE]);
}
guint
bz_dynamic_list_view_get_row_spacing (BzDynamicListView *self)
{
g_return_val_if_fail (BZ_IS_DYNAMIC_LIST_VIEW (self), 5);
return self->row_spacing;
}
guint
bz_dynamic_list_view_get_column_spacing (BzDynamicListView *self)
{
g_return_val_if_fail (BZ_IS_DYNAMIC_LIST_VIEW (self), 5);
return self->column_spacing;
}
void
bz_dynamic_list_view_set_row_spacing (BzDynamicListView *self,
guint row_spacing)
{
GtkWidget *child;
g_return_if_fail (BZ_IS_DYNAMIC_LIST_VIEW (self));
self->row_spacing = row_spacing;
child = adw_bin_get_child (ADW_BIN (self));
if (child != NULL &&
self->noscroll_kind == BZ_DYNAMIC_LIST_VIEW_KIND_FLOW_BOX &&
!self->scroll)
{
gtk_flow_box_set_row_spacing (GTK_FLOW_BOX (child), row_spacing);
}
g_object_notify_by_pspec (G_OBJECT (self), props[PROP_ROW_SPACING]);
}
void
bz_dynamic_list_view_set_column_spacing (BzDynamicListView *self,
guint column_spacing)
{
GtkWidget *child;
g_return_if_fail (BZ_IS_DYNAMIC_LIST_VIEW (self));
self->column_spacing = column_spacing;
child = adw_bin_get_child (ADW_BIN (self));
if (child != NULL &&
self->noscroll_kind == BZ_DYNAMIC_LIST_VIEW_KIND_FLOW_BOX &&
!self->scroll)
{
gtk_flow_box_set_column_spacing (GTK_FLOW_BOX (child), column_spacing);
}
g_object_notify_by_pspec (G_OBJECT (self), props[PROP_COLUMN_SPACING]);
}
static void
refresh (BzDynamicListView *self)
{
if (self->model != NULL)
g_signal_handlers_disconnect_by_func (self->model, items_changed, self);
self->scrolled_window = NULL;
g_ptr_array_set_size (self->box_children, 0);
adw_bin_set_child (ADW_BIN (self), NULL);
g_object_notify_by_pspec (G_OBJECT (self), props[PROP_VADJUSTMENT]);
if (self->model == NULL ||
self->child_prop == NULL ||
self->child_type == G_TYPE_INVALID)
return;
if (self->scroll)
{
GtkWidget *window = NULL;
GtkNoSelection *selection = NULL;
GtkListItemFactory *factory = NULL;
GtkWidget *view = NULL;
window = gtk_scrolled_window_new ();
selection = gtk_no_selection_new (g_object_ref (self->model));
factory = gtk_signal_list_item_factory_new ();
view = gtk_list_view_new (GTK_SELECTION_MODEL (selection), factory);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (window), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
gtk_widget_add_css_class (view, "navigation-sidebar");
gtk_list_view_set_single_click_activate (GTK_LIST_VIEW (view), TRUE);
g_signal_connect_swapped (factory, "setup", G_CALLBACK (list_item_factory_setup), self);
g_signal_connect_swapped (factory, "teardown", G_CALLBACK (list_item_factory_teardown), self);
g_signal_connect_swapped (factory, "bind", G_CALLBACK (list_item_factory_bind), self);
g_signal_connect_swapped (factory, "unbind", G_CALLBACK (list_item_factory_unbind), self);
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (window), view);
self->scrolled_window = GTK_SCROLLED_WINDOW (window);
g_object_notify_by_pspec (G_OBJECT (self), props[PROP_VADJUSTMENT]);
adw_bin_set_child (ADW_BIN (self), window);
}
else
{
switch (self->noscroll_kind)
{
case BZ_DYNAMIC_LIST_VIEW_KIND_HBOX:
case BZ_DYNAMIC_LIST_VIEW_KIND_VBOX:
{
GtkWidget *widget = NULL;
if (self->noscroll_kind == BZ_DYNAMIC_LIST_VIEW_KIND_VBOX)
widget = gtk_box_new (GTK_ORIENTATION_VERTICAL, 10);
else
widget = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
g_signal_connect (
self->model, "items-changed",
G_CALLBACK (items_changed), self);
adw_bin_set_child (ADW_BIN (self), widget);
items_changed (self->model, 0, 0, g_list_model_get_n_items (self->model), self);
}
break;
case BZ_DYNAMIC_LIST_VIEW_KIND_LIST_BOX:
{
GtkWidget *widget = NULL;
widget = gtk_list_box_new ();
gtk_list_box_set_selection_mode (
GTK_LIST_BOX (widget),
GTK_SELECTION_NONE);
gtk_list_box_bind_model (
GTK_LIST_BOX (widget), self->model,
(GtkListBoxCreateWidgetFunc) create_child_widget,
self, NULL);
adw_bin_set_child (ADW_BIN (self), widget);
}
break;
case BZ_DYNAMIC_LIST_VIEW_KIND_FLOW_BOX:
{
GtkWidget *widget = NULL;
widget = gtk_flow_box_new ();
gtk_flow_box_set_homogeneous (GTK_FLOW_BOX (widget), TRUE);
gtk_flow_box_set_max_children_per_line (GTK_FLOW_BOX (widget), self->max_children_per_line);
gtk_flow_box_set_row_spacing (GTK_FLOW_BOX (widget), self->row_spacing);
gtk_flow_box_set_column_spacing (GTK_FLOW_BOX (widget), self->column_spacing);
gtk_flow_box_set_selection_mode (GTK_FLOW_BOX (widget), GTK_SELECTION_NONE);
gtk_flow_box_bind_model (
GTK_FLOW_BOX (widget), self->model,
(GtkFlowBoxCreateWidgetFunc) create_child_widget,
self, NULL);
adw_bin_set_child (ADW_BIN (self), widget);
}
break;
case BZ_DYNAMIC_LIST_VIEW_KIND_CAROUSEL:
{
GtkWidget *widget = NULL;
widget = adw_carousel_new ();
adw_carousel_set_allow_scroll_wheel (ADW_CAROUSEL (widget), FALSE);
g_signal_connect (
self->model, "items-changed",
G_CALLBACK (items_changed), self);
adw_bin_set_child (ADW_BIN (self), widget);
items_changed (self->model, 0, 0, g_list_model_get_n_items (self->model), self);
}
break;
case BZ_DYNAMIC_LIST_VIEW_N_KINDS:
default:
g_assert_not_reached ();
}
}
}
static void
list_item_factory_setup (BzDynamicListView *self,
GtkListItem *item,
GtkSignalListItemFactory *factory)
{
GtkWidget *child = NULL;
child = g_object_new (self->child_type, NULL);
gtk_list_item_set_child (item, child);
}
static void
list_item_factory_teardown (BzDynamicListView *self,
GtkListItem *item,
GtkSignalListItemFactory *factory)
{
gtk_list_item_set_child (item, NULL);
}
static void
list_item_factory_bind (BzDynamicListView *self,
GtkListItem *item,
GtkSignalListItemFactory *factory)
{
GObject *object = NULL;
GtkWidget *child = NULL;
object = gtk_list_item_get_item (item);
child = gtk_list_item_get_child (item);
gtk_list_item_set_focusable (item, FALSE);
gtk_list_item_set_selectable (item, FALSE);
gtk_list_item_set_activatable (item, FALSE);
if (self->object_prop != NULL)
{
GBinding *binding = NULL;
binding = g_object_bind_property (
object, self->object_prop,
child, self->child_prop,
G_BINDING_SYNC_CREATE);
g_object_set_data_full (
G_OBJECT (item),
"binding", binding,
g_object_unref);
}
else
g_object_set (child, self->child_prop, object, NULL);
g_signal_emit (self, signals[SIGNAL_BIND_WIDGET], 0, child, object);
}
static void
list_item_factory_unbind (BzDynamicListView *self,
GtkListItem *item,
GtkSignalListItemFactory *factory)
{
GtkWidget *child = NULL;
GBinding *binding = NULL;
g_autoptr (GObject) object = NULL;
child = gtk_list_item_get_child (item);
binding = g_object_steal_data (G_OBJECT (item), "binding");
if (binding != NULL)
{
object = g_binding_dup_source (binding);
g_binding_unbind (binding);
g_object_unref (binding);
}
else
{
g_object_get (child, self->child_prop, &object, NULL);
g_object_set (child, self->child_prop, NULL, NULL);
}
g_signal_emit (self, signals[SIGNAL_UNBIND_WIDGET], 0, child, object);
}
static GtkWidget *
create_child_widget (GObject *object,
BzDynamicListView *self)
{
GtkWidget *widget = NULL;
widget = g_object_new (self->child_type, NULL);
if (self->object_prop != NULL)
g_object_bind_property (
object, self->object_prop,
widget, self->child_prop,
G_BINDING_SYNC_CREATE);
else
g_object_set (widget, self->child_prop, object, NULL);
gtk_widget_set_receives_default (widget, TRUE);
g_signal_emit (self, signals[SIGNAL_BIND_WIDGET], 0, widget, object);
switch (self->noscroll_kind)
{
case BZ_DYNAMIC_LIST_VIEW_KIND_LIST_BOX:
{
GtkWidget *child = NULL;
child = gtk_list_box_row_new ();
gtk_widget_add_css_class (GTK_WIDGET (child), "disable-adw-flow-box-styling");
gtk_widget_set_focusable (GTK_WIDGET (child), FALSE);
gtk_list_box_row_set_selectable (GTK_LIST_BOX_ROW (child), FALSE);
gtk_list_box_row_set_child (GTK_LIST_BOX_ROW (child), widget);
return child;
}
case BZ_DYNAMIC_LIST_VIEW_KIND_FLOW_BOX:
{
GtkWidget *child = NULL;
child = gtk_flow_box_child_new ();
gtk_widget_add_css_class (GTK_WIDGET (child), "disable-adw-flow-box-styling");
gtk_widget_set_focusable (GTK_WIDGET (child), FALSE);
gtk_flow_box_child_set_child (GTK_FLOW_BOX_CHILD (child), widget);
return child;
}
case BZ_DYNAMIC_LIST_VIEW_KIND_HBOX:
case BZ_DYNAMIC_LIST_VIEW_KIND_VBOX:
case BZ_DYNAMIC_LIST_VIEW_KIND_CAROUSEL:
case BZ_DYNAMIC_LIST_VIEW_N_KINDS:
default:
return widget;
}
}
static void
items_changed (GListModel *model,
guint position,
guint removed,
guint added,
BzDynamicListView *self)
{
GtkWidget *bin_child = NULL;
bin_child = adw_bin_get_child (ADW_BIN (self));
for (guint i = 0; i < removed; i++)
{
switch (self->noscroll_kind)
{
case BZ_DYNAMIC_LIST_VIEW_KIND_HBOX:
case BZ_DYNAMIC_LIST_VIEW_KIND_VBOX:
{
GtkWidget *child = NULL;
child = g_ptr_array_index (self->box_children, position);
gtk_box_remove (GTK_BOX (bin_child), g_steal_pointer (&child));
g_ptr_array_remove_index (self->box_children, position);
}
break;
case BZ_DYNAMIC_LIST_VIEW_KIND_CAROUSEL:
adw_carousel_remove (
ADW_CAROUSEL (bin_child),
adw_carousel_get_nth_page (ADW_CAROUSEL (bin_child), position));
break;
case BZ_DYNAMIC_LIST_VIEW_KIND_LIST_BOX:
case BZ_DYNAMIC_LIST_VIEW_KIND_FLOW_BOX:
case BZ_DYNAMIC_LIST_VIEW_N_KINDS:
default:
g_assert_not_reached ();
}
}
for (guint i = 0; i < added; i++)
{
g_autoptr (GObject) object = NULL;
GtkWidget *widget = NULL;
object = g_list_model_get_item (model, position + i);
widget = create_child_widget (object, self);
switch (self->noscroll_kind)
{
case BZ_DYNAMIC_LIST_VIEW_KIND_HBOX:
case BZ_DYNAMIC_LIST_VIEW_KIND_VBOX:
{
if (position + i < self->box_children->len)
{
GtkWidget *sibling = NULL;
sibling = g_ptr_array_index (self->box_children, position + i);
gtk_box_insert_child_after (GTK_BOX (bin_child), widget, sibling);
}
else
gtk_box_append (GTK_BOX (bin_child), widget);
}
break;
case BZ_DYNAMIC_LIST_VIEW_KIND_CAROUSEL:
adw_carousel_insert (ADW_CAROUSEL (bin_child), widget, position + i);
break;
case BZ_DYNAMIC_LIST_VIEW_KIND_LIST_BOX:
case BZ_DYNAMIC_LIST_VIEW_KIND_FLOW_BOX:
case BZ_DYNAMIC_LIST_VIEW_N_KINDS:
default:
g_assert_not_reached ();
}
}
}
