static void
gb_command_provider_set_workbench (GbCommandProvider *provider,
GbWorkbench *workbench)
{
GbCommandProviderPrivate *priv = gb_command_provider_get_instance_private (provider);
g_return_if_fail (GB_IS_COMMAND_PROVIDER (provider));
g_return_if_fail (!workbench || GB_IS_WORKBENCH (workbench));
if (priv->workbench != workbench)
{
if (priv->workbench)
{
gb_command_provider_disconnect (provider, workbench);
g_object_remove_weak_pointer (G_OBJECT (priv->workbench),
(gpointer *)&priv->workbench);
priv->workbench = NULL;
}
if (workbench)
{
priv->workbench = workbench;
g_object_add_weak_pointer (G_OBJECT (priv->workbench),
(gpointer *)&priv->workbench);
gb_command_provider_connect (provider, workbench);
}
g_object_notify_by_pspec (G_OBJECT (provider),
gParamSpecs [PROP_WORKBENCH]);
}
}
static void
gb_command_provider_set_active_view (GbCommandProvider *provider,
GbView *tab)
{
GbCommandProviderPrivate *priv = gb_command_provider_get_instance_private (provider);
g_return_if_fail (GB_IS_COMMAND_PROVIDER (provider));
g_return_if_fail (!tab || GB_IS_VIEW (tab));
if (priv->active_view)
{
g_object_remove_weak_pointer (G_OBJECT (priv->active_view),
(gpointer *)&priv->active_view);
priv->active_view = NULL;
}
if (tab)
{
priv->active_view = tab;
g_object_add_weak_pointer (G_OBJECT (priv->active_view),
(gpointer *)&priv->active_view);
}
g_object_notify_by_pspec (G_OBJECT (provider),
gParamSpecs [PROP_ACTIVE_VIEW]);
}
/**
* gb_command_provider_get_active_view:
*
* Returns the "active-tab" property. The active-tab is the last tab that
* was focused in the workbench.
*
* Returns: (transfer none): A #GbView or %NULL.
*/
GbView *
gb_command_provider_get_active_view (GbCommandProvider *provider)
{
GbCommandProviderPrivate *priv = gb_command_provider_get_instance_private (provider);
g_return_val_if_fail (GB_IS_COMMAND_PROVIDER (provider), NULL);
return priv->active_view;
}
gint
gb_command_provider_get_priority (GbCommandProvider *provider)
{
GbCommandProviderPrivate *priv = gb_command_provider_get_instance_private (provider);
g_return_val_if_fail (GB_IS_COMMAND_PROVIDER (provider), 0);
return priv->priority;
}
GbWorkbench *
gb_command_provider_get_workbench (GbCommandProvider *provider)
{
GbCommandProviderPrivate *priv = gb_command_provider_get_instance_private (provider);
g_return_val_if_fail (GB_IS_COMMAND_PROVIDER (provider), NULL);
return priv->workbench;
}
static void
on_notify_priority_cb (GbCommandProvider *provider,
GParamSpec *pspec,
GbCommandManager *manager)
{
g_return_if_fail (GB_IS_COMMAND_PROVIDER (provider));
g_return_if_fail (GB_IS_COMMAND_MANAGER (manager));
g_ptr_array_sort (manager->providers, provider_compare_func);
}
/**
* gb_command_provider_complete:
* @provider: (in): The #GbCommandProvider
* @completions: (in): A #GPtrArray where completed strings can be added
* @command_text: (in): Initial command text to be completed
*
*/
void
gb_command_provider_complete (GbCommandProvider *provider,
GPtrArray *completions,
const gchar *initial_command_text)
{
g_return_if_fail (GB_IS_COMMAND_PROVIDER (provider));
g_return_if_fail (completions);
g_return_if_fail (initial_command_text);
g_signal_emit (provider, gSignals [COMPLETE], 0, completions, initial_command_text);
}
static void
gb_command_provider_disconnect (GbCommandProvider *provider,
GbWorkbench *workbench)
{
g_return_if_fail (GB_IS_COMMAND_PROVIDER (provider));
g_return_if_fail (GB_IS_WORKBENCH (workbench));
g_signal_handlers_disconnect_by_func (workbench,
G_CALLBACK (on_workbench_set_focus),
provider);
}
/**
* gb_command_provider_lookup:
* @provider: (in): The #GbCommandProvider
* @command_text: (in): Command text to be parsed
*
*
* Returns: (transfer full): A #GbCommand if successful; otherwise %NULL.
*/
GbCommand *
gb_command_provider_lookup (GbCommandProvider *provider,
const gchar *command_text)
{
GbCommand *ret = NULL;
g_return_val_if_fail (GB_IS_COMMAND_PROVIDER (provider), NULL);
g_return_val_if_fail (command_text, NULL);
g_signal_emit (provider, gSignals [LOOKUP], 0, command_text, &ret);
return ret;
}
static void
gb_command_provider_connect (GbCommandProvider *provider,
GbWorkbench *workbench)
{
g_return_if_fail (GB_IS_COMMAND_PROVIDER (provider));
g_return_if_fail (GB_IS_WORKBENCH (workbench));
g_signal_connect_object (workbench,
"set-focus",
G_CALLBACK (on_workbench_set_focus),
provider,
G_CONNECT_SWAPPED);
}
void
gb_command_manager_add_provider (GbCommandManager *manager,
GbCommandProvider *provider)
{
g_return_if_fail (GB_IS_COMMAND_MANAGER (manager));
g_return_if_fail (GB_IS_COMMAND_PROVIDER (provider));
g_signal_connect_object (provider, "notify::priority",
G_CALLBACK (on_notify_priority_cb),
manager, 0);
g_ptr_array_add (manager->providers, g_object_ref (provider));
g_ptr_array_sort (manager->providers, provider_compare_func);
}
void
gb_command_provider_set_priority (GbCommandProvider *provider,
gint priority)
{
GbCommandProviderPrivate *priv = gb_command_provider_get_instance_private (provider);
g_return_if_fail (GB_IS_COMMAND_PROVIDER (provider));
if (priv->priority != priority)
{
priv->priority = priority;
g_object_notify_by_pspec (G_OBJECT (provider),
gParamSpecs [PROP_PRIORITY]);
}
}
static void
on_workbench_set_focus (GbCommandProvider *provider,
GtkWidget *widget,
GbWorkbench *workbench)
{
g_return_if_fail (GB_IS_COMMAND_PROVIDER (provider));
g_return_if_fail (GB_IS_WORKBENCH (workbench));
g_return_if_fail (!widget || GTK_IS_WIDGET (widget));
/* walk the hierarchy to find a tab */
if (widget)
while (!GB_IS_VIEW (widget))
if (!(widget = gtk_widget_get_parent (widget)))
break;
if (GB_IS_VIEW (widget))
gb_command_provider_set_active_view (provider,
GB_VIEW (widget));
}
