/* dzl-preferences-spin-button.c
*
* Copyright (C) 2015-2017 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/>.
*/
#include "config.h"
#include "util/dzl-util-private.h"
#include "prefs/dzl-preferences-spin-button.h"
struct _DzlPreferencesSpinButton
{
DzlPreferencesBin parent_instance;
gulong handler;
guint updating : 1;
gchar *key;
GSettings *settings;
const GVariantType *type;
GtkSpinButton *spin_button;
GtkLabel *title;
GtkLabel *subtitle;
};
G_DEFINE_TYPE (DzlPreferencesSpinButton, dzl_preferences_spin_button, DZL_TYPE_PREFERENCES_BIN)
enum {
PROP_0,
PROP_KEY,
PROP_SUBTITLE,
PROP_TITLE,
LAST_PROP
};
enum {
ACTIVATE,
LAST_SIGNAL
};
static GParamSpec *properties [LAST_PROP];
static guint signals [LAST_SIGNAL];
static void
dzl_preferences_spin_button_activate (DzlPreferencesSpinButton *self)
{
g_assert (DZL_IS_PREFERENCES_SPIN_BUTTON (self));
gtk_widget_grab_focus (GTK_WIDGET (self->spin_button));
}
static void
apply_value (GtkAdjustment *adj,
GVariant *value,
const gchar *property)
{
GValue val = { 0 };
gdouble v = 0.0;
g_assert (GTK_IS_ADJUSTMENT (adj));
g_assert (value != NULL);
g_assert (property != NULL);
if (g_variant_is_of_type (value, G_VARIANT_TYPE_DOUBLE))
v = g_variant_get_double (value);
else if (g_variant_is_of_type (value, G_VARIANT_TYPE_INT16))
v = g_variant_get_int16 (value);
else if (g_variant_is_of_type (value, G_VARIANT_TYPE_UINT16))
v = g_variant_get_uint16 (value);
else if (g_variant_is_of_type (value, G_VARIANT_TYPE_INT32))
v = g_variant_get_int32 (value);
else if (g_variant_is_of_type (value, G_VARIANT_TYPE_UINT32))
v = g_variant_get_uint32 (value);
else if (g_variant_is_of_type (value, G_VARIANT_TYPE_INT64))
v = g_variant_get_int64 (value);
else if (g_variant_is_of_type (value, G_VARIANT_TYPE_UINT64))
v = g_variant_get_uint64 (value);
else
g_warning ("Unknown variant type: %s\n", (gchar *)g_variant_get_type (value));
g_value_init (&val, G_TYPE_DOUBLE);
g_value_set_double (&val, v);
g_object_set_property (G_OBJECT (adj), property, &val);
g_value_unset (&val);
}
static void
dzl_preferences_spin_button_value_changed (DzlPreferencesSpinButton *self,
GParamSpec *pspec,
GtkSpinButton *spin_button)
{
GVariant *variant = NULL;
gdouble value;
g_assert (DZL_IS_PREFERENCES_SPIN_BUTTON (self));
g_assert (pspec != NULL);
g_assert (GTK_IS_SPIN_BUTTON (spin_button));
value = gtk_spin_button_get_value (spin_button);
if (g_variant_type_equal (self->type, G_VARIANT_TYPE_DOUBLE))
variant = g_variant_new_double (value);
else if (g_variant_type_equal (self->type, G_VARIANT_TYPE_INT16))
variant = g_variant_new_int16 (value);
else if (g_variant_type_equal (self->type, G_VARIANT_TYPE_UINT16))
variant = g_variant_new_uint16 (value);
else if (g_variant_type_equal (self->type, G_VARIANT_TYPE_INT32))
variant = g_variant_new_int32 (value);
else if (g_variant_type_equal (self->type, G_VARIANT_TYPE_UINT32))
variant = g_variant_new_uint32 (value);
else if (g_variant_type_equal (self->type, G_VARIANT_TYPE_INT64))
variant = g_variant_new_int64 (value);
else if (g_variant_type_equal (self->type, G_VARIANT_TYPE_UINT64))
variant = g_variant_new_uint64 (value);
else
g_return_if_reached ();
g_variant_ref_sink (variant);
g_settings_set_value (self->settings, self->key, variant);
g_clear_pointer (&variant, g_variant_unref);
}
static void
dzl_preferences_spin_button_setting_changed (DzlPreferencesSpinButton *self,
const gchar *key,
GSettings *settings)
{
GtkAdjustment *adj;
GVariant *value;
g_assert (DZL_IS_PREFERENCES_SPIN_BUTTON (self));
g_assert (key != NULL);
g_assert (G_IS_SETTINGS (settings));
if (self->updating)
return;
self->updating = TRUE;
adj = gtk_spin_button_get_adjustment (self->spin_button);
value = g_settings_get_value (settings, key);
apply_value (adj, value, "value");
g_variant_unref (value);
self->updating = FALSE;
}
static void
dzl_preferences_spin_button_connect (DzlPreferencesBin *bin,
GSettings *settings)
{
DzlPreferencesSpinButton *self = (DzlPreferencesSpinButton *)bin;
GSettingsSchema *schema = NULL;
GSettingsSchemaKey *key = NULL;
GVariant *range = NULL;
GVariant *values = NULL;
GVariant *lower = NULL;
GVariant *upper = NULL;
gchar *type = NULL;
gchar *signal_detail = NULL;
GtkAdjustment *adj;
GVariantIter iter;
g_assert (DZL_IS_PREFERENCES_SPIN_BUTTON (self));
self->settings = g_object_ref (settings);
g_object_get (self->settings, "settings-schema", &schema, NULL);
adj = gtk_spin_button_get_adjustment (self->spin_button);
key = g_settings_schema_get_key (schema, self->key);
range = g_settings_schema_key_get_range (key);
g_variant_get (range, "(sv)", &type, &values);
if (!dzl_str_equal0 (type, "range") || (2 != g_variant_iter_init (&iter, values)))
{
gtk_widget_set_sensitive (GTK_WIDGET (self), FALSE);
goto cleanup;
}
lower = g_variant_iter_next_value (&iter);
upper = g_variant_iter_next_value (&iter);
self->type = g_variant_get_type (lower);
apply_value (adj, lower, "lower");
apply_value (adj, upper, "upper");
signal_detail = g_strdup_printf ("changed::%s", self->key);
self->handler =
g_signal_connect_object (self->settings,
signal_detail,
G_CALLBACK (dzl_preferences_spin_button_setting_changed),
self,
G_CONNECT_SWAPPED);
dzl_preferences_spin_button_setting_changed (self, self->key, self->settings);
cleanup:
g_clear_pointer (&key, g_settings_schema_key_unref);
g_clear_pointer (&type, g_free);
g_clear_pointer (&signal_detail, g_free);
g_clear_pointer (&range, g_variant_unref);
g_clear_pointer (&values, g_variant_unref);
g_clear_pointer (&lower, g_variant_unref);
g_clear_pointer (&upper, g_variant_unref);
g_clear_pointer (&schema, g_settings_schema_unref);
}
static void
dzl_preferences_spin_button_disconnect (DzlPreferencesBin *bin,
GSettings *settings)
{
DzlPreferencesSpinButton *self = (DzlPreferencesSpinButton *)bin;
g_assert (DZL_IS_PREFERENCES_SPIN_BUTTON (self));
g_signal_handler_disconnect (settings, self->handler);
self->handler = 0;
}
static gboolean
dzl_preferences_spin_button_matches (DzlPreferencesBin *bin,
DzlPatternSpec *spec)
{
DzlPreferencesSpinButton *self = (DzlPreferencesSpinButton *)bin;
const gchar *tmp;
g_assert (DZL_IS_PREFERENCES_SPIN_BUTTON (self));
g_assert (spec != NULL);
tmp = gtk_label_get_label (self->title);
if (tmp && dzl_pattern_spec_match (spec, tmp))
return TRUE;
tmp = gtk_label_get_label (self->subtitle);
if (tmp && dzl_pattern_spec_match (spec, tmp))
return TRUE;
if (self->key && dzl_pattern_spec_match (spec, self->key))
return TRUE;
return FALSE;
}
static void
dzl_preferences_spin_button_finalize (GObject *object)
{
DzlPreferencesSpinButton *self = (DzlPreferencesSpinButton *)object;
g_clear_pointer (&self->key, g_free);
g_clear_object (&self->settings);
G_OBJECT_CLASS (dzl_preferences_spin_button_parent_class)->finalize (object);
}
static void
dzl_preferences_spin_button_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
DzlPreferencesSpinButton *self = DZL_PREFERENCES_SPIN_BUTTON (object);
switch (prop_id)
{
case PROP_KEY:
g_value_set_string (value, self->key);
break;
case PROP_SUBTITLE:
g_value_set_string (value, gtk_label_get_label (self->subtitle));
break;
case PROP_TITLE:
g_value_set_string (value, gtk_label_get_label (self->title));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
dzl_preferences_spin_button_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
DzlPreferencesSpinButton *self = DZL_PREFERENCES_SPIN_BUTTON (object);
switch (prop_id)
{
case PROP_KEY:
self->key = g_value_dup_string (value);
break;
case PROP_SUBTITLE:
gtk_label_set_label (self->subtitle, g_value_get_string (value));
break;
case PROP_TITLE:
gtk_label_set_label (self->title, g_value_get_string (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
dzl_preferences_spin_button_class_init (DzlPreferencesSpinButtonClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
DzlPreferencesBinClass *bin_class = DZL_PREFERENCES_BIN_CLASS (klass);
object_class->finalize = dzl_preferences_spin_button_finalize;
object_class->get_property = dzl_preferences_spin_button_get_property;
object_class->set_property = dzl_preferences_spin_button_set_property;
bin_class->connect = dzl_preferences_spin_button_connect;
bin_class->disconnect = dzl_preferences_spin_button_disconnect;
bin_class->matches = dzl_preferences_spin_button_matches;
signals [ACTIVATE] =
g_signal_new_class_handler ("activate",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_CALLBACK (dzl_preferences_spin_button_activate),
NULL, NULL, NULL, G_TYPE_NONE, 0);
widget_class->activate_signal = signals [ACTIVATE];
gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/dazzle/ui/dzl-preferences-spin-button.ui");
gtk_widget_class_bind_template_child (widget_class, DzlPreferencesSpinButton, spin_button);
gtk_widget_class_bind_template_child (widget_class, DzlPreferencesSpinButton, subtitle);
gtk_widget_class_bind_template_child (widget_class, DzlPreferencesSpinButton, title);
properties [PROP_KEY] =
g_param_spec_string ("key",
"Key",
"Key",
NULL,
(G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
properties [PROP_SUBTITLE] =
g_param_spec_string ("subtitle",
"subtitle",
"subtitle",
NULL,
(G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
properties [PROP_TITLE] =
g_param_spec_string ("title",
"title",
"title",
NULL,
(G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
g_object_class_install_properties (object_class, LAST_PROP, properties);
}
static void
dzl_preferences_spin_button_init (DzlPreferencesSpinButton *self)
{
gtk_widget_init_template (GTK_WIDGET (self));
g_object_set (gtk_spin_button_get_adjustment (self->spin_button),
"value", 0.0,
"lower", 0.0,
"upper", 0.0,
"step-increment", 1.0,
"page-increment", 10.0,
"page-size", 10.0,
NULL);
g_signal_connect_object (self->spin_button,
"notify::value",
G_CALLBACK (dzl_preferences_spin_button_value_changed),
self,
G_CONNECT_SWAPPED);
}
/**
* dzl_preferences_spin_button_get_spin_button:
*
* Returns: (transfer none): The actual spin button widget.
*/
GtkWidget *
dzl_preferences_spin_button_get_spin_button (DzlPreferencesSpinButton *self)
{
g_return_val_if_fail (DZL_IS_PREFERENCES_SPIN_BUTTON (self), NULL);
return GTK_WIDGET (self->spin_button);
}