/* dzl-preferences-font-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/>.
*/
#define G_LOG_DOMAIN "dzl-preferences-font-button"
#include "config.h"
#include "prefs/dzl-preferences-font-button.h"
struct _DzlPreferencesFontButton
{
GtkBin parent_instance;
gulong handler;
GSettings *settings;
gchar *key;
GtkLabel *title;
GtkLabel *font_family;
GtkLabel *font_size;
GtkPopover *popover;
GtkButton *confirm;
GtkFontChooserWidget *chooser;
};
G_DEFINE_TYPE (DzlPreferencesFontButton, dzl_preferences_font_button, DZL_TYPE_PREFERENCES_BIN)
enum {
PROP_0,
PROP_KEY,
PROP_TITLE,
LAST_PROP
};
enum {
ACTIVATE,
LAST_SIGNAL
};
static GParamSpec *properties [LAST_PROP];
static guint signals [LAST_SIGNAL];
static void
dzl_preferences_font_button_show (DzlPreferencesFontButton *self)
{
gchar *font = NULL;
g_assert (DZL_IS_PREFERENCES_FONT_BUTTON (self));
font = g_settings_get_string (self->settings, self->key);
g_object_set (self->chooser, "font", font, NULL);
g_free (font);
gtk_popover_popup (self->popover);
}
static void
dzl_preferences_font_button_activate (DzlPreferencesFontButton *self)
{
g_assert (DZL_IS_PREFERENCES_FONT_BUTTON (self));
if (!gtk_widget_get_visible (GTK_WIDGET (self->popover)))
dzl_preferences_font_button_show (self);
}
static void
dzl_preferences_font_button_changed (DzlPreferencesFontButton *self,
const gchar *key,
GSettings *settings)
{
PangoFontDescription *font_desc;
gchar *name;
g_assert (DZL_IS_PREFERENCES_FONT_BUTTON (self));
g_assert (key != NULL);
g_assert (G_IS_SETTINGS (settings));
name = g_settings_get_string (settings, key);
font_desc = pango_font_description_from_string (name);
if (font_desc != NULL)
{
gchar *font_size;
gtk_label_set_label (self->font_family, pango_font_description_get_family (font_desc));
font_size = g_strdup_printf ("%d", pango_font_description_get_size (font_desc) / PANGO_SCALE);
gtk_label_set_label (self->font_size, font_size);
g_free (font_size);
}
g_clear_pointer (&font_desc, pango_font_description_free);
g_free (name);
}
static void
dzl_preferences_font_button_connect (DzlPreferencesBin *bin,
GSettings *settings)
{
DzlPreferencesFontButton *self = (DzlPreferencesFontButton *)bin;
g_autofree gchar *signal_detail = NULL;
g_assert (DZL_IS_PREFERENCES_FONT_BUTTON (self));
signal_detail = g_strdup_printf ("changed::%s", self->key);
self->settings = g_object_ref (settings);
self->handler =
g_signal_connect_object (settings,
signal_detail,
G_CALLBACK (dzl_preferences_font_button_changed),
self,
G_CONNECT_SWAPPED);
dzl_preferences_font_button_changed (self, self->key, settings);
}
static void
dzl_preferences_font_button_disconnect (DzlPreferencesBin *bin,
GSettings *settings)
{
DzlPreferencesFontButton *self = (DzlPreferencesFontButton *)bin;
g_assert (DZL_IS_PREFERENCES_FONT_BUTTON (self));
g_signal_handler_disconnect (settings, self->handler);
self->handler = 0;
}
static gboolean
dzl_preferences_font_button_matches (DzlPreferencesBin *bin,
DzlPatternSpec *spec)
{
DzlPreferencesFontButton *self = (DzlPreferencesFontButton *)bin;
const gchar *tmp;
g_assert (DZL_IS_PREFERENCES_FONT_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->font_family);
if (tmp && dzl_pattern_spec_match (spec, tmp))
return TRUE;
return FALSE;
}
static void
dzl_preferences_font_button_finalize (GObject *object)
{
DzlPreferencesFontButton *self = (DzlPreferencesFontButton *)object;
g_clear_object (&self->settings);
g_clear_pointer (&self->key, g_free);
G_OBJECT_CLASS (dzl_preferences_font_button_parent_class)->finalize (object);
}
static void
dzl_preferences_font_button_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
DzlPreferencesFontButton *self = DZL_PREFERENCES_FONT_BUTTON (object);
switch (prop_id)
{
case PROP_KEY:
g_value_set_string (value, self->key);
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_font_button_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
DzlPreferencesFontButton *self = DZL_PREFERENCES_FONT_BUTTON (object);
switch (prop_id)
{
case PROP_KEY:
self->key = g_value_dup_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_font_button_class_init (DzlPreferencesFontButtonClass *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_font_button_finalize;
object_class->get_property = dzl_preferences_font_button_get_property;
object_class->set_property = dzl_preferences_font_button_set_property;
bin_class->connect = dzl_preferences_font_button_connect;
bin_class->disconnect = dzl_preferences_font_button_disconnect;
bin_class->matches = dzl_preferences_font_button_matches;
signals [ACTIVATE] =
g_signal_new_class_handler ("activate",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_CALLBACK (dzl_preferences_font_button_activate),
NULL, NULL, NULL, G_TYPE_NONE, 0);
widget_class->activate_signal = signals [ACTIVATE];
properties [PROP_KEY] =
g_param_spec_string ("key",
"Key",
"Key",
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);
gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/dazzle/ui/dzl-preferences-font-button.ui");
gtk_widget_class_bind_template_child (widget_class, DzlPreferencesFontButton, chooser);
gtk_widget_class_bind_template_child (widget_class, DzlPreferencesFontButton, confirm);
gtk_widget_class_bind_template_child (widget_class, DzlPreferencesFontButton, font_family);
gtk_widget_class_bind_template_child (widget_class, DzlPreferencesFontButton, font_size);
gtk_widget_class_bind_template_child (widget_class, DzlPreferencesFontButton, popover);
gtk_widget_class_bind_template_child (widget_class, DzlPreferencesFontButton, title);
}
static gboolean
transform_to (GBinding *binding,
const GValue *value,
GValue *to_value,
gpointer user_data)
{
g_value_set_boolean (to_value, !!g_value_get_boxed (value));
return TRUE;
}
static void
dzl_preferences_font_button_clicked (DzlPreferencesFontButton *self,
GtkButton *button)
{
g_autofree gchar *font = NULL;
g_assert (DZL_IS_PREFERENCES_FONT_BUTTON (self));
g_assert (GTK_IS_BUTTON (button));
g_object_get (self->chooser, "font", &font, NULL);
g_settings_set_string (self->settings, self->key, font);
gtk_popover_popdown (self->popover);
}
static void
dzl_preferences_font_button_font_activated (DzlPreferencesFontButton *self,
const gchar *font,
GtkFontChooser *chooser)
{
g_assert (DZL_IS_PREFERENCES_FONT_BUTTON (self));
g_assert (GTK_IS_FONT_CHOOSER (chooser));
g_settings_set_string (self->settings, self->key, font);
gtk_popover_popdown (self->popover);
}
static void
dzl_preferences_font_button_init (DzlPreferencesFontButton *self)
{
gtk_widget_init_template (GTK_WIDGET (self));
g_object_bind_property_full (self->chooser, "font-desc",
self->confirm, "sensitive",
G_BINDING_SYNC_CREATE,
transform_to,
NULL, NULL, NULL);
g_signal_connect_object (self->chooser,
"font-activated",
G_CALLBACK (dzl_preferences_font_button_font_activated),
self,
G_CONNECT_SWAPPED);
g_signal_connect_object (self->confirm,
"clicked",
G_CALLBACK (dzl_preferences_font_button_clicked),
self,
G_CONNECT_SWAPPED);
}