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gtk: Add symbolic property for GtkVolumeButton

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When the application prefers symbolic icons, avoids
having to reimplement the button in the software itself.

https://bugzilla.gnome.org/show_bug.cgi?id=636969
This commit is contained in:
Bastien Nocera 2010-12-10 15:05:50 +00:00
parent 668604dcfd
commit 23c1d1cbc9
1 changed files with 95 additions and 9 deletions
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102
gtk/gtkvolumebutton.c
View File

@ -47,6 +47,28 @@
#define EPSILON (1e-10)
const char * const icons[] =
{
"audio-volume-muted",
"audio-volume-high",
"audio-volume-low",
"audio-volume-medium",
NULL
};
const char * 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,
@ -60,9 +82,80 @@ static void cb_value_changed (GtkVolumeButton *button,
G_DEFINE_TYPE (GtkVolumeButton, gtk_volume_button, GTK_TYPE_SCALE_BUTTON)
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 (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);
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: {
char **icon_list;
g_object_get (object, "icons", &icon_list, NULL);
if (icon_list != NULL &&
icon_list[0] != NULL &&
g_str_equal (icon_list[0], icons_symbolic[0]))
g_value_set_boolean (value, TRUE);
else
g_value_set_boolean (value, FALSE);
g_strfreev (icon_list);
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);
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"),
FALSE,
G_PARAM_READWRITE));
}
static void
@ -71,13 +164,6 @@ gtk_volume_button_init (GtkVolumeButton *button)
GtkScaleButton *sbutton = GTK_SCALE_BUTTON (button);
GtkAdjustment *adj;
GtkWidget *minus_button, *plus_button;
const char *icons[] = {
"audio-volume-muted",
"audio-volume-high",
"audio-volume-low",
"audio-volume-medium",
NULL
};
atk_object_set_name (gtk_widget_get_accessible (GTK_WIDGET (button)),
_("Volume"));
@ -102,7 +188,7 @@ gtk_volume_button_init (GtkVolumeButton *button)
_("Increases the volume"));
gtk_widget_set_tooltip_text (plus_button, _("Volume Up"));
gtk_scale_button_set_icons (sbutton, icons);
gtk_scale_button_set_icons (sbutton, (const char **) icons);
adj = gtk_adjustment_new (0., 0., 1., 0.02, 0.2, 0.);
g_object_set (G_OBJECT (button),