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/*
* Copyright 2010 Canonical, Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of either or both of the following licenses:
*
* 1) the GNU Lesser General Public License version 3, as published by the
* Free Software Foundation; and/or
* 2) the GNU Lesser General Public License version 2.1, as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the applicable version of the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of both the GNU Lesser General Public
* License version 3 and version 2.1 along with this program. If not, see
* <http://www.gnu.org/licenses/>
*
* Authors:
* Cody Russell <crussell@canonical.com>
*/
#include "idorange.h"
#include "idotypebuiltins.h"
struct _IdoRangePrivate
{
IdoRangeStyle style;
};
static void ido_range_constructed (GObject *object);
static void ido_range_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void ido_range_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
#ifdef USE_GTK3
static void ido_range_grab_notify (GtkWidget *widget,
gboolean was_grabbed);
#endif
#define IDO_RANGE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), IDO_TYPE_RANGE, IdoRangePrivate))
G_DEFINE_TYPE (IdoRange, ido_range, GTK_TYPE_SCALE)
enum {
PROP_0,
PROP_STYLE
};
static void
ido_range_class_init (IdoRangeClass *class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (class);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
gobject_class->constructed = ido_range_constructed;
gobject_class->set_property = ido_range_set_property;
gobject_class->get_property = ido_range_get_property;
#ifdef USE_GTK3
widget_class->grab_notify = ido_range_grab_notify;
#endif
g_object_class_install_property (gobject_class,
PROP_STYLE,
g_param_spec_enum ("range-style",
"Range style",
"The style of the range",
IDO_TYPE_RANGE_STYLE,
IDO_RANGE_STYLE_SMALL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
gtk_widget_class_install_style_property (widget_class,
g_param_spec_int ("knob-width",
"The knob width",
"The knob width",
G_MININT,
G_MAXINT,
8,
G_PARAM_READABLE));
gtk_widget_class_install_style_property (widget_class,
g_param_spec_int ("knob-height",
"The knob height",
"The knob height",
G_MININT,
G_MAXINT,
8,
G_PARAM_READABLE));
g_type_class_add_private (class, sizeof (IdoRangePrivate));
}
static void
ido_range_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
IdoRangePrivate *priv = IDO_RANGE (object)->priv;
switch (prop_id)
{
case PROP_STYLE:
g_value_set_enum (value, priv->style);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
ido_range_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
IdoRangePrivate *priv = IDO_RANGE (object)->priv;
switch (prop_id)
{
case PROP_STYLE:
priv->style = g_value_get_enum (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
#ifdef USE_GTK3
static void
ido_range_grab_notify (GtkWidget *widget, gboolean was_grabbed)
{
/*
* FIXME: workaround for lp bug #865122.
* Without this handler, GtkRange will call remove_grab which results
* in an infinite loop of grab_notifies.
*
* The widget will still work properly, because grab-broken-event will get
* properly fired and internal state of GtkRange will be properly updated.
*/
g_return_if_fail (IDO_IS_RANGE (widget));
}
#endif
static void
ido_range_constructed (GObject *object)
{
IdoRange *range = IDO_RANGE (object);
IdoRangeStyle style;
char buf[1024];
g_object_get (range,
"range-style", &style,
NULL);
g_snprintf (buf, sizeof (buf), "idorange-%p", range);
gtk_widget_set_name (GTK_WIDGET (range), buf);
if (style == IDO_RANGE_STYLE_SMALL)
{
gint width, height;
gtk_widget_style_get (GTK_WIDGET (range),
"knob-width", &width,
"knob-height", &height,
NULL);
g_snprintf (buf, sizeof (buf),
"style \"ido-range\" {\n"
" GtkRange::slider-width = %d\n"
" GtkScale::slider-length = %d\n"
"} widget \"*.idorange-%p\" style \"ido-range\"\n",
width, height, range);
gtk_rc_parse_string (buf);
}
gtk_range_set_slider_size_fixed (GTK_RANGE (range), TRUE);
}
static void
ido_range_init (IdoRange *range)
{
range->priv = IDO_RANGE_GET_PRIVATE (range);
}
/**
* ido_range_new:
* @adj: A #GtkAdjustment providing the range values
* @style: The range style
*
* Creates a new #IdoRange widget.
**/
GtkWidget *
ido_range_new (GtkAdjustment *adj,
IdoRangeStyle style)
{
g_return_val_if_fail (GTK_IS_ADJUSTMENT (adj), NULL);
return g_object_new (IDO_TYPE_RANGE,
"orientation", GTK_ORIENTATION_HORIZONTAL,
"adjustment", adj,
"range-style", style,
NULL);
}
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