gnome-control-center/panels/color/cc-color-device.c

310 lines
11 KiB
C

/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright (C) 2012 Richard Hughes <richard@hughsie.com>
*
* Licensed under the GNU General Public License Version 2
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#include "cc-color-common.h"
#include "cc-color-device.h"
struct _CcColorDevice
{
GtkListBoxRow parent_instance;
CdDevice *device;
gboolean expanded;
gchar *sortable;
GtkWidget *widget_description;
GtkWidget *widget_button;
GtkWidget *widget_switch;
GtkWidget *widget_arrow;
GtkWidget *widget_nocalib;
};
G_DEFINE_TYPE (CcColorDevice, cc_color_device, GTK_TYPE_LIST_BOX_ROW)
enum
{
SIGNAL_EXPANDED_CHANGED,
SIGNAL_LAST
};
enum
{
PROP_0,
PROP_DEVICE,
PROP_LAST
};
static guint signals [SIGNAL_LAST] = { 0 };
static void
cc_color_device_refresh (CcColorDevice *color_device)
{
g_autofree gchar *title = NULL;
g_autoptr(GPtrArray) profiles = NULL;
AtkObject *accessible;
g_autofree gchar *name1 = NULL;
g_autofree gchar *name2 = NULL;
/* add switch and expander if there are profiles, otherwise use a label */
profiles = cd_device_get_profiles (color_device->device);
if (profiles == NULL)
return;
title = cc_color_device_get_title (color_device->device);
gtk_label_set_label (GTK_LABEL (color_device->widget_description), title);
gtk_widget_set_visible (color_device->widget_description, TRUE);
gtk_widget_set_visible (color_device->widget_switch, profiles->len > 0);
gtk_widget_set_visible (color_device->widget_button, profiles->len > 0);
gtk_image_set_from_icon_name (GTK_IMAGE (color_device->widget_arrow),
color_device->expanded ? "pan-down-symbolic" : "pan-end-symbolic",
GTK_ICON_SIZE_BUTTON);
gtk_widget_set_visible (color_device->widget_nocalib, profiles->len == 0);
gtk_widget_set_sensitive (color_device->widget_button, cd_device_get_enabled (color_device->device));
gtk_switch_set_active (GTK_SWITCH (color_device->widget_switch),
cd_device_get_enabled (color_device->device));
accessible = gtk_widget_get_accessible (color_device->widget_switch);
name1 = g_strdup_printf (_("Enable color management for %s"), title);
atk_object_set_name (accessible, name1);
name2 = g_strdup_printf (_("Show color profiles for %s"), title);
accessible = gtk_widget_get_accessible (color_device->widget_button);
atk_object_set_name (accessible, name2);
}
CdDevice *
cc_color_device_get_device (CcColorDevice *color_device)
{
g_return_val_if_fail (CC_IS_COLOR_DEVICE (color_device), NULL);
return color_device->device;
}
const gchar *
cc_color_device_get_sortable (CcColorDevice *color_device)
{
g_return_val_if_fail (CC_IS_COLOR_DEVICE (color_device), NULL);
return color_device->sortable;
}
static void
cc_color_device_get_property (GObject *object, guint param_id,
GValue *value, GParamSpec *pspec)
{
CcColorDevice *color_device = CC_COLOR_DEVICE (object);
switch (param_id)
{
case PROP_DEVICE:
g_value_set_object (value, color_device->device);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
static void
cc_color_device_set_property (GObject *object, guint param_id,
const GValue *value, GParamSpec *pspec)
{
CcColorDevice *color_device = CC_COLOR_DEVICE (object);
switch (param_id)
{
case PROP_DEVICE:
color_device->device = g_value_dup_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
static void
cc_color_device_finalize (GObject *object)
{
CcColorDevice *color_device = CC_COLOR_DEVICE (object);
g_free (color_device->sortable);
g_object_unref (color_device->device);
G_OBJECT_CLASS (cc_color_device_parent_class)->finalize (object);
}
void
cc_color_device_set_expanded (CcColorDevice *color_device,
gboolean expanded)
{
/* same as before */
if (color_device->expanded == expanded)
return;
/* refresh */
color_device->expanded = expanded;
g_signal_emit (color_device,
signals[SIGNAL_EXPANDED_CHANGED], 0,
color_device->expanded);
cc_color_device_refresh (color_device);
}
static void
cc_color_device_notify_enable_device_cb (CcColorDevice *color_device)
{
gboolean enable;
gboolean ret;
g_autoptr(GError) error = NULL;
enable = gtk_switch_get_active (GTK_SWITCH (color_device->widget_switch));
g_debug ("Set %s to %i", cd_device_get_id (color_device->device), enable);
ret = cd_device_set_enabled_sync (color_device->device,
enable, NULL, &error);
if (!ret)
g_warning ("failed to %s to the device: %s",
enable ? "enable" : "disable", error->message);
/* if expanded, close */
cc_color_device_set_expanded (color_device, FALSE);
}
static void
cc_color_device_changed_cb (CcColorDevice *color_device)
{
cc_color_device_refresh (color_device);
}
static void
cc_color_device_constructed (GObject *object)
{
CcColorDevice *color_device = CC_COLOR_DEVICE (object);
g_autofree gchar *sortable_tmp = NULL;
/* watch the device for changes */
g_signal_connect_object (color_device->device, "changed",
G_CALLBACK (cc_color_device_changed_cb), color_device, G_CONNECT_SWAPPED);
/* calculate sortable -- FIXME: we have to hack this as EggListBox
* does not let us specify a GtkSortType:
* https://bugzilla.gnome.org/show_bug.cgi?id=691341 */
sortable_tmp = cc_color_device_get_sortable_base (color_device->device);
color_device->sortable = g_strdup_printf ("%sXX", sortable_tmp);
cc_color_device_refresh (color_device);
/* watch to see if the user flicked the switch */
g_signal_connect_object (color_device->widget_switch, "notify::active",
G_CALLBACK (cc_color_device_notify_enable_device_cb),
color_device, G_CONNECT_SWAPPED);
}
static void
cc_color_device_class_init (CcColorDeviceClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->get_property = cc_color_device_get_property;
object_class->set_property = cc_color_device_set_property;
object_class->constructed = cc_color_device_constructed;
object_class->finalize = cc_color_device_finalize;
g_object_class_install_property (object_class, PROP_DEVICE,
g_param_spec_object ("device", NULL,
NULL,
CD_TYPE_DEVICE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
signals [SIGNAL_EXPANDED_CHANGED] =
g_signal_new ("expanded-changed",
G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST,
0,
NULL, NULL, g_cclosure_marshal_VOID__BOOLEAN,
G_TYPE_NONE, 1, G_TYPE_BOOLEAN);
}
static void
cc_color_device_clicked_expander_cb (CcColorDevice *color_device)
{
color_device->expanded = !color_device->expanded;
cc_color_device_refresh (color_device);
g_signal_emit (color_device, signals[SIGNAL_EXPANDED_CHANGED], 0,
color_device->expanded);
}
static void
cc_color_device_init (CcColorDevice *color_device)
{
GtkStyleContext *context;
GtkWidget *box;
/* description */
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 9);
color_device->widget_description = gtk_label_new ("");
gtk_widget_set_margin_start (color_device->widget_description, 20);
gtk_widget_set_margin_top (color_device->widget_description, 12);
gtk_widget_set_margin_bottom (color_device->widget_description, 12);
gtk_widget_set_halign (color_device->widget_description, GTK_ALIGN_START);
gtk_label_set_ellipsize (GTK_LABEL (color_device->widget_description), PANGO_ELLIPSIZE_END);
gtk_label_set_xalign (GTK_LABEL (color_device->widget_description), 0);
gtk_box_pack_start (GTK_BOX (box), color_device->widget_description, TRUE, TRUE, 0);
/* switch */
color_device->widget_switch = gtk_switch_new ();
gtk_widget_set_valign (color_device->widget_switch, GTK_ALIGN_CENTER);
gtk_box_pack_start (GTK_BOX (box), color_device->widget_switch, FALSE, FALSE, 0);
/* arrow button */
color_device->widget_arrow = gtk_image_new_from_icon_name ("pan-end-symbolic",
GTK_ICON_SIZE_BUTTON);
color_device->widget_button = gtk_button_new ();
g_signal_connect_object (color_device->widget_button, "clicked",
G_CALLBACK (cc_color_device_clicked_expander_cb),
color_device, G_CONNECT_SWAPPED);
gtk_widget_set_valign (color_device->widget_button, GTK_ALIGN_CENTER);
gtk_button_set_relief (GTK_BUTTON (color_device->widget_button), GTK_RELIEF_NONE);
gtk_container_add (GTK_CONTAINER (color_device->widget_button), color_device->widget_arrow);
gtk_widget_set_visible (color_device->widget_arrow, TRUE);
gtk_widget_set_margin_top (color_device->widget_button, 9);
gtk_widget_set_margin_bottom (color_device->widget_button, 9);
gtk_widget_set_margin_end (color_device->widget_button, 12);
gtk_box_pack_start (GTK_BOX (box), color_device->widget_button, FALSE, FALSE, 0);
/* not calibrated */
color_device->widget_nocalib = gtk_label_new (_("Not calibrated"));
context = gtk_widget_get_style_context (color_device->widget_nocalib);
gtk_style_context_add_class (context, "dim-label");
gtk_widget_set_margin_end (color_device->widget_nocalib, 18);
gtk_box_pack_start (GTK_BOX (box), color_device->widget_nocalib, FALSE, FALSE, 0);
/* refresh */
gtk_container_add (GTK_CONTAINER (color_device), box);
gtk_widget_set_visible (box, TRUE);
}
GtkWidget *
cc_color_device_new (CdDevice *device)
{
return g_object_new (CC_TYPE_COLOR_DEVICE,
"device", device,
NULL);
}