3fc0c2a8ea
Use a small space before %. This matches what we do for percentages elsewhere. https://bugzilla.gnome.org/show_bug.cgi?id=735192
264 lines
7.4 KiB
C
264 lines
7.4 KiB
C
/* GTK - The GIMP Toolkit
|
||
* Copyright (C) 2007 Red Hat, Inc.
|
||
*
|
||
* Authors:
|
||
* - Bastien Nocera <bnocera@redhat.com>
|
||
*
|
||
* This library is free software; you can redistribute it and/or
|
||
* modify it under the terms of the GNU Lesser General Public
|
||
* License as published by the Free Software Foundation; either
|
||
* version 2 of the License, or (at your option) any later version.
|
||
*
|
||
* This library 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
|
||
* Lesser General Public License for more details.
|
||
*
|
||
* You should have received a copy of the GNU Lesser General Public
|
||
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||
*/
|
||
|
||
/*
|
||
* Modified by the GTK+ Team and others 2007. See the AUTHORS
|
||
* file for a list of people on the GTK+ Team. See the ChangeLog
|
||
* files for a list of changes. These files are distributed with
|
||
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
|
||
*/
|
||
|
||
#include "config.h"
|
||
|
||
#include "gtkvolumebutton.h"
|
||
|
||
#include "gtkadjustment.h"
|
||
#include "gtkintl.h"
|
||
#include "gtktooltip.h"
|
||
|
||
|
||
/**
|
||
* SECTION:gtkvolumebutton
|
||
* @Short_description: A button which pops up a volume control
|
||
* @Title: GtkVolumeButton
|
||
*
|
||
* #GtkVolumeButton is a subclass of #GtkScaleButton that has
|
||
* been tailored for use as a volume control widget with suitable
|
||
* icons, tooltips and accessible labels.
|
||
*/
|
||
|
||
#define EPSILON (1e-10)
|
||
|
||
static const gchar * const icons[] =
|
||
{
|
||
"audio-volume-muted",
|
||
"audio-volume-high",
|
||
"audio-volume-low",
|
||
"audio-volume-medium",
|
||
NULL
|
||
};
|
||
|
||
static const gchar * const icons_symbolic[] =
|
||
{
|
||
"audio-volume-muted-symbolic",
|
||
"audio-volume-high-symbolic",
|
||
"audio-volume-low-symbolic",
|
||
"audio-volume-medium-symbolic",
|
||
NULL
|
||
};
|
||
|
||
enum
|
||
{
|
||
PROP_0,
|
||
PROP_SYMBOLIC
|
||
};
|
||
|
||
static gboolean cb_query_tooltip (GtkWidget *button,
|
||
gint x,
|
||
gint y,
|
||
gboolean keyboard_mode,
|
||
GtkTooltip *tooltip,
|
||
gpointer user_data);
|
||
static void cb_value_changed (GtkVolumeButton *button,
|
||
gdouble value,
|
||
gpointer user_data);
|
||
|
||
G_DEFINE_TYPE (GtkVolumeButton, gtk_volume_button, GTK_TYPE_SCALE_BUTTON)
|
||
|
||
static gboolean
|
||
get_symbolic (GtkScaleButton *button)
|
||
{
|
||
gchar **icon_list;
|
||
gboolean ret;
|
||
|
||
g_object_get (button, "icons", &icon_list, NULL);
|
||
if (icon_list != NULL &&
|
||
icon_list[0] != NULL &&
|
||
g_str_equal (icon_list[0], icons_symbolic[0]))
|
||
ret = TRUE;
|
||
else
|
||
ret = FALSE;
|
||
g_strfreev (icon_list);
|
||
|
||
return ret;
|
||
}
|
||
|
||
static void
|
||
gtk_volume_button_set_property (GObject *object,
|
||
guint prop_id,
|
||
const GValue *value,
|
||
GParamSpec *pspec)
|
||
{
|
||
GtkScaleButton *button = GTK_SCALE_BUTTON (object);
|
||
|
||
switch (prop_id)
|
||
{
|
||
case PROP_SYMBOLIC:
|
||
if (get_symbolic (button) != g_value_get_boolean (value))
|
||
{
|
||
if (g_value_get_boolean (value))
|
||
gtk_scale_button_set_icons (button, (const char **) icons_symbolic);
|
||
else
|
||
gtk_scale_button_set_icons (button, (const char **) icons);
|
||
g_object_notify_by_pspec (object, pspec);
|
||
}
|
||
break;
|
||
default:
|
||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||
break;
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_volume_button_get_property (GObject *object,
|
||
guint prop_id,
|
||
GValue *value,
|
||
GParamSpec *pspec)
|
||
{
|
||
switch (prop_id)
|
||
{
|
||
case PROP_SYMBOLIC:
|
||
g_value_set_boolean (value, get_symbolic (GTK_SCALE_BUTTON (object)));
|
||
break;
|
||
default:
|
||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||
break;
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_volume_button_class_init (GtkVolumeButtonClass *klass)
|
||
{
|
||
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
||
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
|
||
|
||
gobject_class->set_property = gtk_volume_button_set_property;
|
||
gobject_class->get_property = gtk_volume_button_get_property;
|
||
|
||
/**
|
||
* GtkVolumeButton:use-symbolic:
|
||
*
|
||
* Whether to use symbolic icons as the icons. Note that
|
||
* if the symbolic icons are not available in your installed
|
||
* theme, then the normal (potentially colorful) icons will
|
||
* be used.
|
||
*
|
||
* Since: 3.0
|
||
*/
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_SYMBOLIC,
|
||
g_param_spec_boolean ("use-symbolic",
|
||
P_("Use symbolic icons"),
|
||
P_("Whether to use symbolic icons"),
|
||
TRUE,
|
||
G_PARAM_READWRITE|G_PARAM_CONSTRUCT|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
/* Bind class to template
|
||
*/
|
||
gtk_widget_class_set_template_from_resource (widget_class, "/org/gtk/libgtk/ui/gtkvolumebutton.ui");
|
||
gtk_widget_class_bind_template_callback (widget_class, cb_query_tooltip);
|
||
gtk_widget_class_bind_template_callback (widget_class, cb_value_changed);
|
||
}
|
||
|
||
static void
|
||
gtk_volume_button_init (GtkVolumeButton *button)
|
||
{
|
||
GtkWidget *widget = GTK_WIDGET (button);
|
||
|
||
gtk_widget_init_template (widget);
|
||
|
||
/* The atk action description is not supported by GtkBuilder */
|
||
atk_action_set_description (ATK_ACTION (gtk_widget_get_accessible (GTK_WIDGET (widget))),
|
||
1, _("Adjusts the volume"));
|
||
}
|
||
|
||
/**
|
||
* gtk_volume_button_new:
|
||
*
|
||
* Creates a #GtkVolumeButton, with a range between 0.0 and 1.0, with
|
||
* a stepping of 0.02. Volume values can be obtained and modified using
|
||
* the functions from #GtkScaleButton.
|
||
*
|
||
* Returns: a new #GtkVolumeButton
|
||
*
|
||
* Since: 2.12
|
||
*/
|
||
GtkWidget *
|
||
gtk_volume_button_new (void)
|
||
{
|
||
GObject *button;
|
||
button = g_object_new (GTK_TYPE_VOLUME_BUTTON, NULL);
|
||
return GTK_WIDGET (button);
|
||
}
|
||
|
||
static gboolean
|
||
cb_query_tooltip (GtkWidget *button,
|
||
gint x,
|
||
gint y,
|
||
gboolean keyboard_mode,
|
||
GtkTooltip *tooltip,
|
||
gpointer user_data)
|
||
{
|
||
GtkScaleButton *scale_button = GTK_SCALE_BUTTON (button);
|
||
GtkAdjustment *adjustment;
|
||
gdouble val;
|
||
char *str;
|
||
AtkImage *image;
|
||
|
||
image = ATK_IMAGE (gtk_widget_get_accessible (button));
|
||
|
||
adjustment = gtk_scale_button_get_adjustment (scale_button);
|
||
val = gtk_scale_button_get_value (scale_button);
|
||
|
||
if (val < (gtk_adjustment_get_lower (adjustment) + EPSILON))
|
||
{
|
||
str = g_strdup (_("Muted"));
|
||
}
|
||
else if (val >= (gtk_adjustment_get_upper (adjustment) - EPSILON))
|
||
{
|
||
str = g_strdup (_("Full Volume"));
|
||
}
|
||
else
|
||
{
|
||
int percent;
|
||
|
||
percent = (int) (100. * val / (gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_lower (adjustment)) + .5);
|
||
|
||
/* Translators: this is the percentage of the current volume,
|
||
* as used in the tooltip, eg. "49 %".
|
||
* Translate the "%d" to "%Id" if you want to use localised digits,
|
||
* or otherwise translate the "%d" to "%d".
|
||
*/
|
||
str = g_strdup_printf (C_("volume percentage", "%d %%"), percent);
|
||
}
|
||
|
||
gtk_tooltip_set_text (tooltip, str);
|
||
atk_image_set_image_description (image, str);
|
||
g_free (str);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static void
|
||
cb_value_changed (GtkVolumeButton *button, gdouble value, gpointer user_data)
|
||
{
|
||
gtk_widget_trigger_tooltip_query (GTK_WIDGET (button));
|
||
}
|