/* dzl-menu-button-section.c
*
* Copyright (C) 2017 Christian Hergert <chergert@redhat.com>
*
* 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 <http://www.gnu.org/licenses/>.
*/
#define G_LOG_DOMAIN "dzl-menu-button-section"
#include "config.h"
#include "bindings/dzl-signal-group.h"
#include "menus/dzl-menu-button-section.h"
#include "menus/dzl-menu-button-item.h"
#include "widgets/dzl-box.h"
#include "util/dzl-util-private.h"
struct _DzlMenuButtonSection
{
GtkBox parent_instance;
/* Owned references */
DzlSignalGroup *menu_signals;
GtkSizeGroup *text_size_group;
/* Template references */
GtkLabel *label;
DzlBox *items_box;
guint show_accels : 1;
guint show_icons : 1;
};
enum {
PROP_0,
PROP_LABEL,
PROP_MODEL,
PROP_SHOW_ACCELS,
PROP_SHOW_ICONS,
PROP_TEXT_SIZE_GROUP,
N_PROPS
};
G_DEFINE_TYPE (DzlMenuButtonSection, dzl_menu_button_section, GTK_TYPE_BOX)
static GParamSpec *properties [N_PROPS];
static void
update_show_accel (GtkWidget *widget,
DzlMenuButtonSection *self)
{
if (DZL_IS_MENU_BUTTON_ITEM (widget))
g_object_set (widget, "show-accel", self->show_accels, NULL);
}
static void
dzl_menu_button_section_set_show_accels (DzlMenuButtonSection *self,
gboolean show_accels)
{
g_assert (DZL_IS_MENU_BUTTON_SECTION (self));
self->show_accels = !!show_accels;
gtk_container_foreach (GTK_CONTAINER (self->items_box),
(GtkCallback) update_show_accel,
self);
}
static void
update_show_icon (GtkWidget *widget,
DzlMenuButtonSection *self)
{
if (DZL_IS_MENU_BUTTON_ITEM (widget))
g_object_set (widget, "show-image", self->show_icons, NULL);
}
static void
dzl_menu_button_section_set_show_icons (DzlMenuButtonSection *self,
gboolean show_icons)
{
g_assert (DZL_IS_MENU_BUTTON_SECTION (self));
self->show_icons = !!show_icons;
gtk_container_foreach (GTK_CONTAINER (self->items_box),
(GtkCallback) update_show_icon,
self);
}
static void
dzl_menu_button_section_items_changed (DzlMenuButtonSection *self,
guint position,
guint removed,
guint added,
GMenuModel *menu)
{
g_assert (DZL_IS_MENU_BUTTON_SECTION (self));
g_assert (G_IS_MENU_MODEL (menu));
for (guint i = 0; i < removed; i++)
{
GtkWidget *child = dzl_box_get_nth_child (self->items_box, position);
gtk_widget_destroy (child);
}
for (guint i = position; i < (position + added); i++)
{
DzlMenuButtonItem *item;
g_autoptr(GVariant) target = NULL;
g_autofree gchar *accel = NULL;
g_autofree gchar *action = NULL;
g_autofree gchar *label = NULL;
g_autofree gchar *verb_icon_name = NULL;
g_autofree gchar *rolestr = NULL;
gint role = -1;
g_menu_model_get_item_attribute (menu, i, G_MENU_ATTRIBUTE_LABEL, "s", &label);
g_menu_model_get_item_attribute (menu, i, "verb-icon-name", "s", &verb_icon_name);
g_menu_model_get_item_attribute (menu, i, "accel", "s", &accel);
g_menu_model_get_item_attribute (menu, i, "action", "s", &action);
g_menu_model_get_item_attribute (menu, i, "role", "s", &rolestr);
target = g_menu_model_get_item_attribute_value (menu, i, "target", NULL);
if (g_strcmp0 (rolestr, "check") == 0)
role = GTK_BUTTON_ROLE_CHECK;
else if (g_strcmp0 (rolestr, "normal") == 0)
role = GTK_BUTTON_ROLE_NORMAL;
item = g_object_new (DZL_TYPE_MENU_BUTTON_ITEM,
"action-name", action,
"action-target", target,
"show-image", self->show_icons,
"show-accel", self->show_accels,
"icon-name", verb_icon_name,
"role", role,
"text", label,
"text-size-group", self->text_size_group,
"accel", accel,
"visible", TRUE,
NULL);
gtk_container_add_with_properties (GTK_CONTAINER (self->items_box), GTK_WIDGET (item),
"position", i,
NULL);
}
}
static void
dzl_menu_button_section_bind (DzlMenuButtonSection *self,
GMenuModel *menu,
DzlSignalGroup *menu_signals)
{
guint n_items;
g_assert (DZL_IS_MENU_BUTTON_SECTION (self));
g_assert (G_IS_MENU_MODEL (menu));
g_assert (DZL_IS_SIGNAL_GROUP (menu_signals));
/* Remove on bind instead of unbind to avoid data races
* when destroying the widget.
*/
gtk_container_foreach (GTK_CONTAINER (self->items_box),
(GtkCallback) gtk_widget_destroy,
NULL);
n_items = g_menu_model_get_n_items (menu);
dzl_menu_button_section_items_changed (self, 0, 0, n_items, menu);
}
static void
dzl_menu_button_section_destroy (GtkWidget *widget)
{
DzlMenuButtonSection *self = (DzlMenuButtonSection *)widget;
g_clear_object (&self->menu_signals);
g_clear_object (&self->text_size_group);
GTK_WIDGET_CLASS (dzl_menu_button_section_parent_class)->destroy (widget);
}
static void
dzl_menu_button_section_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
DzlMenuButtonSection *self = DZL_MENU_BUTTON_SECTION (object);
switch (prop_id)
{
case PROP_MODEL:
g_value_set_object (value, dzl_signal_group_get_target (self->menu_signals));
break;
case PROP_LABEL:
g_value_set_string (value, gtk_label_get_label (self->label));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
dzl_menu_button_section_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
DzlMenuButtonSection *self = DZL_MENU_BUTTON_SECTION (object);
switch (prop_id)
{
case PROP_MODEL:
dzl_signal_group_set_target (self->menu_signals, g_value_get_object (value));
break;
case PROP_LABEL:
gtk_label_set_label (self->label, g_value_get_string (value));
gtk_widget_set_visible (GTK_WIDGET (self->label),
!dzl_str_empty0 (g_value_get_string (value)));
break;
case PROP_SHOW_ICONS:
dzl_menu_button_section_set_show_icons (self, g_value_get_boolean (value));
break;
case PROP_SHOW_ACCELS:
dzl_menu_button_section_set_show_accels (self, g_value_get_boolean (value));
break;
case PROP_TEXT_SIZE_GROUP:
self->text_size_group = g_value_dup_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
dzl_menu_button_section_class_init (DzlMenuButtonSectionClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->get_property = dzl_menu_button_section_get_property;
object_class->set_property = dzl_menu_button_section_set_property;
widget_class->destroy = dzl_menu_button_section_destroy;
properties [PROP_SHOW_ACCELS] =
g_param_spec_boolean ("show-accels", NULL, NULL, FALSE,
(G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
properties [PROP_SHOW_ICONS] =
g_param_spec_boolean ("show-icons", NULL, NULL, FALSE,
(G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
properties [PROP_MODEL] =
g_param_spec_object ("model", NULL, NULL,
G_TYPE_MENU_MODEL,
(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
properties [PROP_LABEL] =
g_param_spec_string ("label", NULL, NULL, NULL,
(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
properties [PROP_TEXT_SIZE_GROUP] =
g_param_spec_object ("text-size-group", NULL, NULL,
GTK_TYPE_SIZE_GROUP,
(G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
g_object_class_install_properties (object_class, N_PROPS, properties);
gtk_widget_class_set_css_name (widget_class, "dzlmenubuttonsection");
gtk_widget_class_set_template_from_resource (widget_class,
"/org/gnome/dazzle/ui/dzl-menu-button-section.ui");
gtk_widget_class_bind_template_child (widget_class, DzlMenuButtonSection, label);
gtk_widget_class_bind_template_child (widget_class, DzlMenuButtonSection, items_box);
}
static void
dzl_menu_button_section_init (DzlMenuButtonSection *self)
{
gtk_widget_init_template (GTK_WIDGET (self));
self->menu_signals = dzl_signal_group_new (G_TYPE_MENU_MODEL);
g_signal_connect_swapped (self->menu_signals,
"bind",
G_CALLBACK (dzl_menu_button_section_bind),
self);
dzl_signal_group_connect_swapped (self->menu_signals,
"items-changed",
G_CALLBACK (dzl_menu_button_section_items_changed),
self);
}
/**
* dzl_menu_button_section_new:
*
* Creates a new #DzlMenuButtonSection.
*
* Returns: (transfer full): A #DzlMenuButtonSection
*
* Since: 3.26
*/
GtkWidget *
dzl_menu_button_section_new (GMenuModel *model,
const gchar *label)
{
return g_object_new (DZL_TYPE_MENU_BUTTON_SECTION,
"model", model,
"label", label,
NULL);
}