malcontent-control: Add an MctUserSelector widget
This isn’t used yet, but will be soon. It encapsulates an `ActUserManager` with an `MctCarousel` to provide an all-inclusive widget for selecting a user account. It’s based off code from the user accounts panel of gnome-control-center, licenced as GPLv2+, and authored by many people over time (see https://gitlab.gnome.org/GNOME/gnome-control-center/commits/master/panels/user-accounts). Signed-off-by: Philip Withnall <withnall@endlessm.com>
This commit is contained in:
Philip Withnall
parent
484993b658
commit
1623876fbc
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@ -6,5 +6,6 @@
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<file preprocess="xml-stripblanks">carousel.ui</file>
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<file preprocess="xml-stripblanks">carousel.ui</file>
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<file preprocess="xml-stripblanks">main.ui</file>
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<file preprocess="xml-stripblanks">main.ui</file>
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<file preprocess="xml-stripblanks">user-controls.ui</file>
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<file preprocess="xml-stripblanks">user-controls.ui</file>
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<file preprocess="xml-stripblanks">user-selector.ui</file>
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</gresource>
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</gresource>
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</gresources>
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</gresources>
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@ -23,6 +23,8 @@ malcontent_control = executable('malcontent-control',
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'user-controls.h',
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'user-controls.h',
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'user-image.c',
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'user-image.c',
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'user-image.h',
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'user-image.h',
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'user-selector.c',
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'user-selector.h',
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] + resources,
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] + resources,
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dependencies: [
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dependencies: [
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dependency('accountsservice'),
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dependency('accountsservice'),
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@ -89,6 +91,7 @@ if xmllint.found()
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'carousel.ui',
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'carousel.ui',
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'main.ui',
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'main.ui',
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'user-controls.ui',
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'user-controls.ui',
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'user-selector.ui',
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),
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),
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],
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],
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suite: ['malcontent-control'],
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suite: ['malcontent-control'],
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@ -0,0 +1,470 @@
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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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*
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* Copyright © 2020 Endless Mobile, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*
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* Authors:
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* - Philip Withnall <withnall@endlessm.com>
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*/
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#include <act/act.h>
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#include <gio/gio.h>
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#include <glib.h>
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#include <glib-object.h>
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#include <glib/gi18n.h>
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#include <gtk/gtk.h>
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#include "carousel.h"
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#include "user-image.h"
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#include "user-selector.h"
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static void reload_users (MctUserSelector *self,
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ActUser *selected_user);
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static void notify_is_loaded_cb (GObject *obj,
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GParamSpec *pspec,
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gpointer user_data);
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static void user_added_cb (ActUserManager *user_manager,
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ActUser *user,
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gpointer user_data);
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static void user_changed_or_removed_cb (ActUserManager *user_manager,
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ActUser *user,
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gpointer user_data);
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static void carousel_item_activated (MctCarousel *carousel,
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MctCarouselItem *item,
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gpointer user_data);
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/**
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* MctUserSelector:
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*
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* The user selector is a widget which lists available user accounts and allows
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* the user to select one.
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*
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* Since: 0.5.0
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*/
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struct _MctUserSelector
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{
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GtkBox parent_instance;
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MctCarousel *carousel;
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ActUserManager *user_manager; /* (owned) */
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ActUser *user; /* (owned) */
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};
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G_DEFINE_TYPE (MctUserSelector, mct_user_selector, GTK_TYPE_BOX)
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typedef enum
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{
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PROP_USER = 1,
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PROP_USER_MANAGER,
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} MctUserSelectorProperty;
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static GParamSpec *properties[PROP_USER_MANAGER + 1];
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static void
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mct_user_selector_constructed (GObject *obj)
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{
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MctUserSelector *self = MCT_USER_SELECTOR (obj);
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g_assert (self->user_manager != NULL);
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g_signal_connect (self->user_manager, "user-changed",
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G_CALLBACK (user_changed_or_removed_cb), self);
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g_signal_connect (self->user_manager, "user-is-logged-in-changed",
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G_CALLBACK (user_changed_or_removed_cb), self);
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g_signal_connect (self->user_manager, "user-added",
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G_CALLBACK (user_added_cb), self);
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g_signal_connect (self->user_manager, "user-removed",
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G_CALLBACK (user_changed_or_removed_cb), self);
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g_signal_connect (self->user_manager, "notify::is-loaded",
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G_CALLBACK (notify_is_loaded_cb), self);
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/* Start loading the user accounts. */
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notify_is_loaded_cb (G_OBJECT (self->user_manager), NULL, self);
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G_OBJECT_CLASS (mct_user_selector_parent_class)->constructed (obj);
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}
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static void
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mct_user_selector_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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MctUserSelector *self = MCT_USER_SELECTOR (object);
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switch ((MctUserSelectorProperty) prop_id)
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{
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case PROP_USER:
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g_value_set_object (value, self->user);
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break;
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case PROP_USER_MANAGER:
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g_value_set_object (value, self->user_manager);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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mct_user_selector_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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MctUserSelector *self = MCT_USER_SELECTOR (object);
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switch ((MctUserSelectorProperty) prop_id)
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{
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case PROP_USER:
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/* Currently read only */
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g_assert_not_reached ();
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break;
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case PROP_USER_MANAGER:
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g_assert (self->user_manager == NULL);
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self->user_manager = g_value_dup_object (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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mct_user_selector_dispose (GObject *object)
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{
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MctUserSelector *self = (MctUserSelector *)object;
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g_clear_object (&self->user);
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if (self->user_manager != NULL)
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{
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g_signal_handlers_disconnect_by_func (self->user_manager, notify_is_loaded_cb, self);
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g_signal_handlers_disconnect_by_func (self->user_manager, user_changed_or_removed_cb, self);
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g_signal_handlers_disconnect_by_func (self->user_manager, user_added_cb, self);
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g_clear_object (&self->user_manager);
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}
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G_OBJECT_CLASS (mct_user_selector_parent_class)->dispose (object);
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}
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static void
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mct_user_selector_class_init (MctUserSelectorClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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object_class->constructed = mct_user_selector_constructed;
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object_class->get_property = mct_user_selector_get_property;
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object_class->set_property = mct_user_selector_set_property;
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object_class->dispose = mct_user_selector_dispose;
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/**
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* MctUserSelector:user: (nullable)
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*
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* The currently selected user account, or %NULL if no user is selected.
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* Currently read only but may become writable in future.
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*
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* Since: 0.5.0
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*/
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properties[PROP_USER] =
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g_param_spec_object ("user",
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"User",
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"The currently selected user account, or %NULL if no user is selected.",
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ACT_TYPE_USER,
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G_PARAM_READABLE |
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G_PARAM_STATIC_STRINGS |
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G_PARAM_EXPLICIT_NOTIFY);
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/**
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* MctUserSelector:user-manager: (not nullable)
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*
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* The user manager providing the data for the widget.
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*
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* Since: 0.5.0
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*/
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properties[PROP_USER_MANAGER] =
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g_param_spec_object ("user-manager",
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"User Manager",
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"The user manager providing the data for the widget.",
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ACT_TYPE_USER_MANAGER,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY |
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G_PARAM_STATIC_STRINGS |
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G_PARAM_EXPLICIT_NOTIFY);
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g_object_class_install_properties (object_class, G_N_ELEMENTS (properties), properties);
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gtk_widget_class_set_template_from_resource (widget_class, "/org/freedesktop/MalcontentControl/ui/user-selector.ui");
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gtk_widget_class_bind_template_child (widget_class, MctUserSelector, carousel);
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gtk_widget_class_bind_template_callback (widget_class, carousel_item_activated);
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}
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static void
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mct_user_selector_init (MctUserSelector *self)
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{
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/* Ensure the types used in the UI are registered. */
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g_type_ensure (MCT_TYPE_CAROUSEL);
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gtk_widget_init_template (GTK_WIDGET (self));
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}
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static void
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notify_is_loaded_cb (GObject *obj,
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GParamSpec *pspec,
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gpointer user_data)
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{
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MctUserSelector *self = MCT_USER_SELECTOR (user_data);
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gboolean is_loaded;
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/* The implementation of #ActUserManager guarantees that once is-loaded is
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* true, it is never reset to false. */
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g_object_get (self->user_manager, "is-loaded", &is_loaded, NULL);
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if (is_loaded)
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reload_users (self, NULL);
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}
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static const gchar *
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get_real_or_user_name (ActUser *user)
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{
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const gchar *name;
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name = act_user_get_real_name (user);
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if (name == NULL)
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name = act_user_get_user_name (user);
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return name;
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}
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static void
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carousel_item_activated (MctCarousel *carousel,
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MctCarouselItem *item,
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gpointer user_data)
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{
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MctUserSelector *self = MCT_USER_SELECTOR (user_data);
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uid_t uid;
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ActUser *user = NULL;
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g_clear_object (&self->user);
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uid = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (item), "uid"));
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user = act_user_manager_get_user_by_id (self->user_manager, uid);
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if (g_set_object (&self->user, user))
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g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_USER]);
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}
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static gint
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sort_users (gconstpointer a,
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gconstpointer b)
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{
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ActUser *ua, *ub;
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gint result;
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ua = ACT_USER (a);
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ub = ACT_USER (b);
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/* Make sure the current user is shown first */
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if (act_user_get_uid (ua) == getuid ())
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{
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result = G_MININT32;
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}
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else if (act_user_get_uid (ub) == getuid ())
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{
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result = G_MAXINT32;
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}
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else
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{
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g_autofree gchar *name1 = NULL, *name2 = NULL;
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name1 = g_utf8_collate_key (get_real_or_user_name (ua), -1);
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name2 = g_utf8_collate_key (get_real_or_user_name (ub), -1);
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result = strcmp (name1, name2);
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}
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return result;
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}
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static gint
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user_compare (gconstpointer i,
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gconstpointer u)
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{
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MctCarouselItem *item;
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ActUser *user;
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gint uid_a, uid_b;
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gint result;
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item = (MctCarouselItem *) i;
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user = ACT_USER (u);
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uid_a = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (item), "uid"));
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uid_b = act_user_get_uid (user);
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result = uid_a - uid_b;
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return result;
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}
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static void
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reload_users (MctUserSelector *self,
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ActUser *selected_user)
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{
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ActUser *user;
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g_autoptr(GSList) list = NULL;
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GSList *l;
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MctCarouselItem *item = NULL;
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GtkSettings *settings;
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gboolean animations;
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settings = gtk_widget_get_settings (GTK_WIDGET (self->carousel));
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g_object_get (settings, "gtk-enable-animations", &animations, NULL);
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g_object_set (settings, "gtk-enable-animations", FALSE, NULL);
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mct_carousel_purge_items (self->carousel);
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list = act_user_manager_list_users (self->user_manager);
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g_debug ("Got %u users", g_slist_length (list));
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list = g_slist_sort (list, (GCompareFunc) sort_users);
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for (l = list; l; l = l->next)
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{
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user = l->data;
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g_debug ("Adding user %s", get_real_or_user_name (user));
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||||||
|
user_added_cb (self->user_manager, user, self);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (selected_user)
|
||||||
|
item = mct_carousel_find_item (self->carousel, selected_user, user_compare);
|
||||||
|
mct_carousel_select_item (self->carousel, item);
|
||||||
|
|
||||||
|
g_object_set (settings, "gtk-enable-animations", animations, NULL);
|
||||||
|
|
||||||
|
gtk_revealer_set_reveal_child (GTK_REVEALER (self->carousel), TRUE);
|
||||||
|
}
|
||||||
|
|
||||||
|
static GtkWidget *
|
||||||
|
create_carousel_entry (MctUserSelector *self,
|
||||||
|
ActUser *user)
|
||||||
|
{
|
||||||
|
GtkWidget *box, *widget;
|
||||||
|
gchar *label;
|
||||||
|
|
||||||
|
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
|
||||||
|
|
||||||
|
widget = mct_user_image_new ();
|
||||||
|
mct_user_image_set_user (MCT_USER_IMAGE (widget), user);
|
||||||
|
gtk_box_pack_start (GTK_BOX (box), widget, FALSE, FALSE, 0);
|
||||||
|
|
||||||
|
label = g_strdup_printf ("<b>%s</b>",
|
||||||
|
get_real_or_user_name (user));
|
||||||
|
widget = gtk_label_new (label);
|
||||||
|
gtk_label_set_use_markup (GTK_LABEL (widget), TRUE);
|
||||||
|
gtk_label_set_ellipsize (GTK_LABEL (widget), PANGO_ELLIPSIZE_END);
|
||||||
|
gtk_widget_set_margin_top (widget, 5);
|
||||||
|
gtk_box_pack_start (GTK_BOX (box), widget, FALSE, FALSE, 0);
|
||||||
|
g_free (label);
|
||||||
|
|
||||||
|
if (act_user_get_uid (user) == getuid ())
|
||||||
|
label = g_strdup_printf ("<small>%s</small>", _("Your account"));
|
||||||
|
else
|
||||||
|
label = g_strdup (" ");
|
||||||
|
|
||||||
|
widget = gtk_label_new (label);
|
||||||
|
gtk_label_set_use_markup (GTK_LABEL (widget), TRUE);
|
||||||
|
g_free (label);
|
||||||
|
|
||||||
|
gtk_box_pack_start (GTK_BOX (box), widget, FALSE, FALSE, 0);
|
||||||
|
gtk_style_context_add_class (gtk_widget_get_style_context (widget),
|
||||||
|
"dim-label");
|
||||||
|
|
||||||
|
return box;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
user_added_cb (ActUserManager *user_manager,
|
||||||
|
ActUser *user,
|
||||||
|
gpointer user_data)
|
||||||
|
{
|
||||||
|
MctUserSelector *self = MCT_USER_SELECTOR (user_data);
|
||||||
|
GtkWidget *item, *widget;
|
||||||
|
|
||||||
|
if (act_user_is_system_account (user))
|
||||||
|
return;
|
||||||
|
|
||||||
|
g_debug ("User added: %u %s", (guint) act_user_get_uid (user), get_real_or_user_name (user));
|
||||||
|
|
||||||
|
widget = create_carousel_entry (self, user);
|
||||||
|
item = mct_carousel_item_new ();
|
||||||
|
gtk_container_add (GTK_CONTAINER (item), widget);
|
||||||
|
|
||||||
|
g_object_set_data (G_OBJECT (item), "uid", GINT_TO_POINTER (act_user_get_uid (user)));
|
||||||
|
gtk_container_add (GTK_CONTAINER (self->carousel), item);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
user_changed_or_removed_cb (ActUserManager *user_manager,
|
||||||
|
ActUser *user,
|
||||||
|
gpointer user_data)
|
||||||
|
{
|
||||||
|
MctUserSelector *self = MCT_USER_SELECTOR (user_data);
|
||||||
|
|
||||||
|
reload_users (self, self->user);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* mct_user_selector_new:
|
||||||
|
* @user_manager: (transfer none): an #ActUserManager to provide the user data
|
||||||
|
*
|
||||||
|
* Create a new #MctUserSelector widget.
|
||||||
|
*
|
||||||
|
* Returns: (transfer full): a new user selector
|
||||||
|
* Since: 0.5.0
|
||||||
|
*/
|
||||||
|
MctUserSelector *
|
||||||
|
mct_user_selector_new (ActUserManager *user_manager)
|
||||||
|
{
|
||||||
|
g_return_val_if_fail (ACT_IS_USER_MANAGER (user_manager), NULL);
|
||||||
|
|
||||||
|
return g_object_new (MCT_TYPE_USER_SELECTOR,
|
||||||
|
"user-manager", user_manager,
|
||||||
|
NULL);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* mct_user_selector_get_user:
|
||||||
|
* @self: an #MctUserSelector
|
||||||
|
*
|
||||||
|
* Get the currently selected user, or %NULL if no user is selected.
|
||||||
|
*
|
||||||
|
* Returns: (transfer none) (nullable): the currently selected user
|
||||||
|
* Since: 0.5.0
|
||||||
|
*/
|
||||||
|
ActUser *
|
||||||
|
mct_user_selector_get_user (MctUserSelector *self)
|
||||||
|
{
|
||||||
|
g_return_val_if_fail (MCT_IS_USER_SELECTOR (self), NULL);
|
||||||
|
|
||||||
|
return self->user;
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,37 @@
|
||||||
|
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
|
||||||
|
*
|
||||||
|
* Copyright © 2020 Endless Mobile, Inc.
|
||||||
|
*
|
||||||
|
* 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 2 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/>.
|
||||||
|
*
|
||||||
|
* Authors:
|
||||||
|
* - Philip Withnall <withnall@endlessm.com>
|
||||||
|
*/
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
|
||||||
|
#include <act/act.h>
|
||||||
|
#include <gtk/gtk.h>
|
||||||
|
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
#define MCT_TYPE_USER_SELECTOR (mct_user_selector_get_type ())
|
||||||
|
G_DECLARE_FINAL_TYPE (MctUserSelector, mct_user_selector, MCT, USER_SELECTOR, GtkBox)
|
||||||
|
|
||||||
|
MctUserSelector *mct_user_selector_new (ActUserManager *user_manager);
|
||||||
|
|
||||||
|
ActUser *mct_user_selector_get_user (MctUserSelector *self);
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
@ -0,0 +1,14 @@
|
||||||
|
<?xml version="1.0" encoding="UTF-8"?>
|
||||||
|
<!-- Copyright © 2020 Endless, Inc. -->
|
||||||
|
<interface>
|
||||||
|
<requires lib="gtk+" version="3.12"/>
|
||||||
|
<template class="MctUserSelector" parent="GtkBox">
|
||||||
|
<child>
|
||||||
|
<object class="MctCarousel" id="carousel">
|
||||||
|
<property name="visible">True</property>
|
||||||
|
<property name="hexpand">True</property>
|
||||||
|
<signal name="item-activated" handler="carousel_item_activated"/>
|
||||||
|
</object>
|
||||||
|
</child>
|
||||||
|
</template>
|
||||||
|
</interface>
|
||||||
Loading…
Reference in New Issue