datetime: add an 'unlock' button
Add an 'unlock' button to allow users to explicitly authenticate to make changes.
This commit is contained in:
Thomas Wood
parent
7d5cd9a967
commit
938b42c1c6
4 changed files with 734 additions and 1 deletions
627
panels/datetime/dt-lockbutton.c
Normal file
627
panels/datetime/dt-lockbutton.c
Normal file
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@ -0,0 +1,627 @@
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/*
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* Copyright (C) 2010 Red Hat, Inc.
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* Author: Matthias Clasen
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include "dt-lockbutton.h"
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#include <glib.h>
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#include <glib/gi18n.h>
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#define P_(s) s
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struct _DtLockButtonPrivate
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{
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GPermission *permission;
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gchar *text_lock;
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gchar *text_unlock;
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gchar *text_not_authorized;
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gchar *tooltip_lock;
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gchar *tooltip_unlock;
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gchar *tooltip_not_authorized;
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GtkWidget *box;
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GtkWidget *eventbox;
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GtkWidget *image;
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GtkWidget *button;
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GtkWidget *notebook;
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GtkWidget *label_lock;
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GtkWidget *label_unlock;
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GtkWidget *label_not_authorized;
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GCancellable *cancellable;
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gboolean constructed;
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};
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enum
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{
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PROP_0,
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PROP_PERMISSION,
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PROP_TEXT_LOCK,
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PROP_TEXT_UNLOCK,
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PROP_TEXT_NOT_AUTHORIZED,
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PROP_TOOLTIP_LOCK,
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PROP_TOOLTIP_UNLOCK,
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PROP_TOOLTIP_NOT_AUTHORIZED
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};
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static void update_state (DtLockButton *button);
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static void on_permission_changed (GPermission *permission,
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GParamSpec *pspec,
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gpointer user_data);
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static void on_clicked (GtkButton *button,
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gpointer user_data);
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static void on_button_press (GtkWidget *widget,
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GdkEventButton *event,
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gpointer user_data);
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G_DEFINE_TYPE (DtLockButton, dt_lock_button, GTK_TYPE_BIN);
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static void
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dt_lock_button_finalize (GObject *object)
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{
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DtLockButton *button = DT_LOCK_BUTTON (object);
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DtLockButtonPrivate *priv = button->priv;
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g_free (priv->text_lock);
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g_free (priv->text_unlock);
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g_free (priv->text_not_authorized);
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g_free (priv->tooltip_lock);
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g_free (priv->tooltip_unlock);
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g_free (priv->tooltip_not_authorized);
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if (priv->cancellable != NULL)
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{
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g_cancellable_cancel (priv->cancellable);
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g_object_unref (priv->cancellable);
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}
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g_signal_handlers_disconnect_by_func (priv->permission,
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on_permission_changed,
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button);
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g_object_unref (priv->permission);
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G_OBJECT_CLASS (dt_lock_button_parent_class)->finalize (object);
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}
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static void
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dt_lock_button_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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DtLockButton *button = DT_LOCK_BUTTON (object);
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DtLockButtonPrivate *priv = button->priv;
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switch (property_id)
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{
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case PROP_PERMISSION:
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g_value_set_object (value, priv->permission);
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break;
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case PROP_TEXT_LOCK:
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g_value_set_string (value, priv->text_lock);
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break;
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case PROP_TEXT_UNLOCK:
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g_value_set_string (value, priv->text_unlock);
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break;
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case PROP_TEXT_NOT_AUTHORIZED:
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g_value_set_string (value, priv->text_not_authorized);
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break;
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case PROP_TOOLTIP_LOCK:
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g_value_set_string (value, priv->tooltip_lock);
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break;
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case PROP_TOOLTIP_UNLOCK:
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g_value_set_string (value, priv->tooltip_unlock);
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break;
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case PROP_TOOLTIP_NOT_AUTHORIZED:
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g_value_set_string (value, priv->tooltip_not_authorized);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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dt_lock_button_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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DtLockButton *button = DT_LOCK_BUTTON (object);
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DtLockButtonPrivate *priv = button->priv;
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switch (property_id)
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{
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case PROP_PERMISSION:
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priv->permission = g_value_get_object (value);
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break;
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case PROP_TEXT_LOCK:
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g_free (priv->text_lock);
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priv->text_lock = g_value_dup_string (value);
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break;
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case PROP_TEXT_UNLOCK:
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g_free (priv->text_unlock);
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priv->text_unlock = g_value_dup_string (value);
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break;
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case PROP_TEXT_NOT_AUTHORIZED:
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g_free (priv->text_not_authorized);
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priv->text_not_authorized = g_value_dup_string (value);
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break;
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case PROP_TOOLTIP_LOCK:
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g_free (priv->tooltip_lock);
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priv->tooltip_lock = g_value_dup_string (value);
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break;
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case PROP_TOOLTIP_UNLOCK:
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g_free (priv->tooltip_unlock);
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priv->tooltip_unlock = g_value_dup_string (value);
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break;
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case PROP_TOOLTIP_NOT_AUTHORIZED:
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g_free (priv->tooltip_not_authorized);
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priv->tooltip_not_authorized = g_value_dup_string (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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if (priv->constructed)
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update_state (button);
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}
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static void
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dt_lock_button_init (DtLockButton *button)
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{
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button->priv = G_TYPE_INSTANCE_GET_PRIVATE (button,
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DT_TYPE_LOCK_BUTTON,
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DtLockButtonPrivate);
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}
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static void
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dt_lock_button_constructed (GObject *object)
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{
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DtLockButton *button = DT_LOCK_BUTTON (object);
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DtLockButtonPrivate *priv = button->priv;
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priv->constructed = TRUE;
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g_signal_connect (priv->permission, "notify",
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G_CALLBACK (on_permission_changed), button);
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priv->box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
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gtk_container_add (GTK_CONTAINER (button), priv->box);
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priv->eventbox = gtk_event_box_new ();
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gtk_event_box_set_visible_window (GTK_EVENT_BOX (priv->eventbox), FALSE);
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gtk_container_add (GTK_CONTAINER (priv->box), priv->eventbox);
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gtk_widget_show (priv->eventbox);
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priv->image = gtk_image_new (); /* image is set in update_state() */
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gtk_container_add (GTK_CONTAINER (priv->eventbox), priv->image);
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gtk_widget_show (priv->image);
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priv->notebook = gtk_notebook_new ();
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gtk_notebook_set_show_tabs (GTK_NOTEBOOK (priv->notebook), FALSE);
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gtk_notebook_set_show_border (GTK_NOTEBOOK (priv->notebook), FALSE);
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gtk_widget_show (priv->notebook);
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priv->button = gtk_button_new ();
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gtk_container_add (GTK_CONTAINER (priv->button), priv->notebook);
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gtk_widget_show (priv->button);
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priv->label_lock = gtk_label_new (""); /* text is set in update_state */
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gtk_notebook_append_page (GTK_NOTEBOOK (priv->notebook), priv->label_lock, NULL);
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gtk_widget_show (priv->label_lock);
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priv->label_unlock = gtk_label_new ("");
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gtk_notebook_append_page (GTK_NOTEBOOK (priv->notebook), priv->label_unlock, NULL);
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gtk_widget_show (priv->label_unlock);
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priv->label_not_authorized = gtk_label_new ("");
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gtk_notebook_append_page (GTK_NOTEBOOK (priv->notebook), priv->label_not_authorized, NULL);
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gtk_widget_show (priv->label_not_authorized);
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gtk_box_pack_start (GTK_BOX (priv->box), priv->button, FALSE, FALSE, 0);
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gtk_widget_show (priv->button);
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g_signal_connect (priv->eventbox, "button-press-event",
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G_CALLBACK (on_button_press), button);
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g_signal_connect (priv->button, "clicked",
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G_CALLBACK (on_clicked), button);
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gtk_widget_set_no_show_all (priv->box, TRUE);
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update_state (button);
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if (G_OBJECT_CLASS (dt_lock_button_parent_class)->constructed != NULL)
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G_OBJECT_CLASS (dt_lock_button_parent_class)->constructed (object);
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}
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static void
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dt_lock_button_get_preferred_width (GtkWidget *widget,
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gint *minimum,
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gint *natural)
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{
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DtLockButtonPrivate *priv = DT_LOCK_BUTTON (widget)->priv;
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gtk_widget_get_preferred_width (priv->box, minimum, natural);
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}
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static void
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dt_lock_button_get_preferred_height (GtkWidget *widget,
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gint *minimum,
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gint *natural)
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{
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DtLockButtonPrivate *priv = DT_LOCK_BUTTON (widget)->priv;
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gtk_widget_get_preferred_height (priv->box, minimum, natural);
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}
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static void
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dt_lock_button_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation)
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{
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DtLockButtonPrivate *priv = DT_LOCK_BUTTON (widget)->priv;
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GtkRequisition requisition;
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GtkAllocation child_allocation;
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gtk_widget_set_allocation (widget, allocation);
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gtk_widget_get_preferred_size (priv->box, &requisition, NULL);
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child_allocation.x = allocation->x;
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child_allocation.y = allocation->y;
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child_allocation.width = requisition.width;
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child_allocation.height = requisition.height;
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gtk_widget_size_allocate (priv->box, &child_allocation);
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}
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static void
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dt_lock_button_class_init (DtLockButtonClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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gobject_class->finalize = dt_lock_button_finalize;
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gobject_class->get_property = dt_lock_button_get_property;
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gobject_class->set_property = dt_lock_button_set_property;
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gobject_class->constructed = dt_lock_button_constructed;
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widget_class->get_preferred_width = dt_lock_button_get_preferred_width;
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widget_class->get_preferred_height = dt_lock_button_get_preferred_height;
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widget_class->size_allocate = dt_lock_button_size_allocate;
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g_type_class_add_private (klass, sizeof (DtLockButtonPrivate));
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g_object_class_install_property (gobject_class, PROP_PERMISSION,
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g_param_spec_object ("permission",
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P_("Permission"),
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P_("The GPermission object controlling this button"),
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G_TYPE_PERMISSION,
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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_object_class_install_property (gobject_class, PROP_TEXT_LOCK,
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g_param_spec_string ("text-lock",
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P_("Lock Text"),
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P_("The text to display when prompting the user to lock"),
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_("Lock"),
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_TEXT_UNLOCK,
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g_param_spec_string ("text-unlock",
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P_("Unlock Text"),
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P_("The text to display when prompting the user to unlock"),
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_("Unlock"),
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_TEXT_NOT_AUTHORIZED,
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g_param_spec_string ("text-not-authorized",
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P_("Not Authorized Text"),
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P_("The text to display when prompting the user cannot obtain authorization"),
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_("Locked"),
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_TOOLTIP_LOCK,
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g_param_spec_string ("tooltip-lock",
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P_("Lock Tooltip"),
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P_("The tooltip to display when prompting the user to lock"),
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_("Dialog is unlocked.\nClick to prevent further changes"),
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_TOOLTIP_UNLOCK,
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g_param_spec_string ("tooltip-unlock",
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P_("Unlock Tooltip"),
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P_("The tooltip to display when prompting the user to unlock"),
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_("Dialog is locked.\nClick to make changes"),
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_TOOLTIP_NOT_AUTHORIZED,
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g_param_spec_string ("tooltip-not-authorized",
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P_("Not Authorized Tooltip"),
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P_("The tooltip to display when prompting the user cannot obtain authorization"),
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_("System policy prevents changes.\nContact your system administrator"),
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT |
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G_PARAM_STATIC_STRINGS));
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}
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/**
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* dt_lock_button_new:
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* @permission: a #GPermission
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*
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* Creates a new lock button which reflects the @permission.
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*
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* Returns: a new #DtLockButton
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*
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* Since: 3.0
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*/
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GtkWidget *
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dt_lock_button_new (GPermission *permission)
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{
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g_return_val_if_fail (permission != NULL, NULL);
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return GTK_WIDGET (g_object_new (DT_TYPE_LOCK_BUTTON,
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"permission", permission,
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NULL));
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}
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static void
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update_state (DtLockButton *button)
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{
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DtLockButtonPrivate *priv = button->priv;
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gint page;
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const gchar *tooltip;
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gboolean sensitive;
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gboolean visible;
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GIcon *icon;
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visible = TRUE;
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sensitive = TRUE;
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gtk_label_set_text (GTK_LABEL (priv->label_lock), priv->text_lock);
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gtk_label_set_text (GTK_LABEL (priv->label_unlock), priv->text_unlock);
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gtk_label_set_text (GTK_LABEL (priv->label_not_authorized), priv->text_not_authorized);
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if (g_permission_get_allowed (priv->permission))
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{
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if (g_permission_get_can_release (priv->permission))
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{
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page = 0;
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tooltip = priv->tooltip_lock;
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sensitive = TRUE;
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}
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else
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{
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page = 0;
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tooltip = "";
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visible = FALSE;
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}
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}
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else
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{
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if (g_permission_get_can_acquire (priv->permission))
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{
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page = 1;
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tooltip = button->priv->tooltip_unlock;
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sensitive = TRUE;
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}
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else
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{
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page = 2;
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tooltip = button->priv->tooltip_not_authorized;
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sensitive = FALSE;
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}
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}
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if (g_permission_get_allowed (priv->permission))
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{
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gchar *names[3];
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names[0] = "changes-allow-symbolic";
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names[1] = "changes-allow";
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names[2] = NULL;
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icon = g_themed_icon_new_from_names (names, -1);
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}
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else
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{
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gchar *names[3];
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names[0] = "changes-prevent-symbolic";
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names[1] = "changes-prevent";
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names[2] = NULL;
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icon = g_themed_icon_new_from_names (names, -1);
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}
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|
||||
gtk_image_set_from_gicon (GTK_IMAGE (priv->image), icon, GTK_ICON_SIZE_BUTTON);
|
||||
g_object_unref (icon);
|
||||
|
||||
gtk_notebook_set_current_page (GTK_NOTEBOOK (priv->notebook), page);
|
||||
gtk_widget_set_tooltip_markup (priv->box, tooltip);
|
||||
|
||||
gtk_widget_set_sensitive (priv->box, sensitive);
|
||||
|
||||
if (visible)
|
||||
gtk_widget_show (priv->box);
|
||||
else
|
||||
gtk_widget_hide (priv->box);
|
||||
}
|
||||
|
||||
static void
|
||||
on_permission_changed (GPermission *permission,
|
||||
GParamSpec *pspec,
|
||||
gpointer user_data)
|
||||
{
|
||||
DtLockButton *button = DT_LOCK_BUTTON (user_data);
|
||||
|
||||
update_state (button);
|
||||
}
|
||||
|
||||
static void
|
||||
acquire_cb (GObject *source,
|
||||
GAsyncResult *result,
|
||||
gpointer user_data)
|
||||
{
|
||||
DtLockButton *button = DT_LOCK_BUTTON (user_data);
|
||||
DtLockButtonPrivate *priv = button->priv;
|
||||
GError *error;
|
||||
|
||||
error = NULL;
|
||||
g_permission_acquire_finish (priv->permission, result, &error);
|
||||
|
||||
if (error)
|
||||
{
|
||||
g_warning ("Error acquiring permission: %s", error->message);
|
||||
g_error_free (error);
|
||||
}
|
||||
|
||||
g_object_unref (priv->cancellable);
|
||||
priv->cancellable = NULL;
|
||||
|
||||
update_state (button);
|
||||
}
|
||||
|
||||
static void
|
||||
release_cb (GObject *source,
|
||||
GAsyncResult *result,
|
||||
gpointer user_data)
|
||||
{
|
||||
DtLockButton *button = DT_LOCK_BUTTON (user_data);
|
||||
DtLockButtonPrivate *priv = button->priv;
|
||||
GError *error;
|
||||
|
||||
error = NULL;
|
||||
g_permission_release_finish (priv->permission, result, &error);
|
||||
|
||||
if (error)
|
||||
{
|
||||
g_warning ("Error releasing permission: %s", error->message);
|
||||
g_error_free (error);
|
||||
}
|
||||
|
||||
g_object_unref (priv->cancellable);
|
||||
priv->cancellable = NULL;
|
||||
|
||||
update_state (button);
|
||||
}
|
||||
|
||||
static void
|
||||
handle_click (DtLockButton *button)
|
||||
{
|
||||
DtLockButtonPrivate *priv = button->priv;
|
||||
|
||||
if (!g_permission_get_allowed (priv->permission) &&
|
||||
g_permission_get_can_acquire (priv->permission))
|
||||
{
|
||||
/* if we already have a pending interactive check, then do nothing */
|
||||
if (priv->cancellable != NULL)
|
||||
goto out;
|
||||
|
||||
priv->cancellable = g_cancellable_new ();
|
||||
|
||||
g_permission_acquire_async (priv->permission,
|
||||
priv->cancellable,
|
||||
acquire_cb,
|
||||
button);
|
||||
}
|
||||
else if (g_permission_get_allowed (priv->permission) &&
|
||||
g_permission_get_can_release (priv->permission))
|
||||
{
|
||||
/* if we already have a pending interactive check, then do nothing */
|
||||
if (priv->cancellable != NULL)
|
||||
goto out;
|
||||
|
||||
priv->cancellable = g_cancellable_new ();
|
||||
|
||||
g_permission_release_async (priv->permission,
|
||||
priv->cancellable,
|
||||
release_cb,
|
||||
button);
|
||||
}
|
||||
|
||||
out: ;
|
||||
}
|
||||
|
||||
static void
|
||||
on_clicked (GtkButton *_button,
|
||||
gpointer user_data)
|
||||
|
||||
{
|
||||
handle_click (DT_LOCK_BUTTON (user_data));
|
||||
}
|
||||
|
||||
static void
|
||||
on_button_press (GtkWidget *widget,
|
||||
GdkEventButton *event,
|
||||
gpointer user_data)
|
||||
{
|
||||
handle_click (DT_LOCK_BUTTON (user_data));
|
||||
}
|
||||
|
||||
/**
|
||||
* dt_lock_button_get_permission:
|
||||
* @button: a #DtLockButton
|
||||
*
|
||||
* Obtains the #GPermission object that controls @button.
|
||||
*
|
||||
* Returns: the #GPermission of @button
|
||||
*
|
||||
* Since: 3.0
|
||||
*/
|
||||
GPermission *
|
||||
dt_lock_button_get_permission (DtLockButton *button)
|
||||
{
|
||||
g_return_val_if_fail (DT_IS_LOCK_BUTTON (button), NULL);
|
||||
|
||||
return button->priv->permission;
|
||||
}
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue