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Add an active property to ShellButtonBox

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Add an 'active' property to ShellButtonBox. This allows ShellButtonBox
to be used as a "toggle button". It's up the application to connect
it to the ::activate signal; there's no default handling of this.

(It's seldom that the only time you want to toggle a toggle button
through the user interface, so you need some connection to the backend
data store in any case. Removing the default handling all-together
prevents weird interactions.)

When we have built-in styling for ShellButtonBox the 'active' state
would be one of the elements that would be affect the styling.

http://bugzilla.gnome.org/show_bug.cgi?id=593502
This commit is contained in:
Owen W. Taylor 2009-08-29 12:00:20 -04:00
parent 7fb8e2d0ef
commit 45c600cd25
1 changed files with 35 additions and 0 deletions
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35
src/shell-button-box.c
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@ -14,6 +14,7 @@
G_DEFINE_TYPE(ShellButtonBox, shell_button_box, BIG_TYPE_BOX);
struct _ShellButtonBoxPrivate {
gboolean active;
gboolean held;
gboolean hover;
gboolean pressed;
@ -29,12 +30,23 @@ enum
enum {
PROP_0,
PROP_ACTIVE,
PROP_HOVER,
PROP_PRESSED,
};
static guint shell_button_box_signals [LAST_SIGNAL] = { 0 };
static void
set_active (ShellButtonBox *box,
gboolean active)
{
if (box->priv->active == active)
return;
box->priv->active = active;
g_object_notify (G_OBJECT (box), "active");
}
static void
set_hover (ShellButtonBox *box,
gboolean hover)
@ -150,8 +162,13 @@ shell_button_box_set_property(GObject *object,
const GValue *value,
GParamSpec *pspec)
{
ShellButtonBox *box = SHELL_BUTTON_BOX (object);
switch (prop_id)
{
case PROP_ACTIVE:
set_active (box, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -168,6 +185,9 @@ shell_button_box_get_property(GObject *object,
switch (prop_id)
{
case PROP_ACTIVE:
g_value_set_boolean (value, box->priv->active);
break;
case PROP_PRESSED:
g_value_set_boolean (value, box->priv->pressed);
break;
@ -204,6 +224,21 @@ shell_button_box_class_init (ShellButtonBoxClass *klass)
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
/**
* ShellButtonBox:active
*
* The property allows the button to be used as a "toggle button"; it's up to the
* application to update the active property in response to the activate signal;
* it doesn't happen automatically.
*/
g_object_class_install_property (gobject_class,
PROP_ACTIVE,
g_param_spec_boolean ("active",
"Active",
"Whether the button persistently active",
FALSE,
G_PARAM_READWRITE));
/**
* ShellButtonBox:hover
*