static void
notify_buffer_cb (GtkTextView *text_view,
GParamSpec *pspec,
IdeLineChangeGutterRenderer *self)
{
disconnect_buffer (self);
connect_buffer (self);
}
static void
disconnect_view (GtkSourceMap *map)
{
GtkSourceMapPrivate *priv;
GtkAdjustment *vadj;
priv = gtk_source_map_get_instance_private (map);
if (priv->view == NULL)
{
return;
}
disconnect_buffer (map);
if (priv->buffer_binding != NULL)
{
g_object_remove_weak_pointer (G_OBJECT (priv->buffer_binding),
(gpointer *)&priv->buffer_binding);
g_binding_unbind (priv->buffer_binding);
priv->buffer_binding = NULL;
}
if (priv->indent_width_binding != NULL)
{
g_object_remove_weak_pointer (G_OBJECT (priv->indent_width_binding),
(gpointer *)&priv->indent_width_binding);
g_binding_unbind (priv->indent_width_binding);
priv->indent_width_binding = NULL;
}
if (priv->tab_width_binding != NULL)
{
g_object_remove_weak_pointer (G_OBJECT (priv->tab_width_binding),
(gpointer *)&priv->tab_width_binding);
g_binding_unbind (priv->tab_width_binding);
priv->tab_width_binding = NULL;
}
if (priv->view_notify_buffer_handler != 0)
{
g_signal_handler_disconnect (priv->view, priv->view_notify_buffer_handler);
priv->view_notify_buffer_handler = 0;
}
vadj = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (priv->view));
if (vadj != NULL)
{
g_signal_handler_disconnect (vadj, priv->view_vadj_value_changed_handler);
priv->view_vadj_value_changed_handler = 0;
g_signal_handler_disconnect (vadj, priv->view_vadj_notify_upper_handler);
priv->view_vadj_notify_upper_handler = 0;
}
g_object_remove_weak_pointer (G_OBJECT (priv->view), (gpointer *)&priv->view);
priv->view = NULL;
}
static void
disconnect_view (IdeLineChangeGutterRenderer *self)
{
disconnect_buffer (self);
if (self->text_view && self->text_view_notify_buffer)
{
g_signal_handler_disconnect (self->text_view, self->text_view_notify_buffer);
self->text_view_notify_buffer = 0;
g_clear_weak_pointer (&self->text_view);
}
}
static void
gtk_source_map_destroy (GtkWidget *widget)
{
GtkSourceMap *map = GTK_SOURCE_MAP (widget);
GtkSourceMapPrivate *priv;
priv = gtk_source_map_get_instance_private (map);
disconnect_buffer (map);
disconnect_view (map);
g_clear_object (&priv->css_provider);
g_clear_pointer (&priv->font_desc, pango_font_description_free);
GTK_WIDGET_CLASS (gtk_source_map_parent_class)->destroy (widget);
}
static void
view_notify_buffer (GtkSourceMap *map,
GParamSpec *pspec,
GtkSourceView *view)
{
GtkSourceMapPrivate *priv;
GtkTextBuffer *buffer;
priv = gtk_source_map_get_instance_private (map);
if (priv->buffer != NULL)
{
disconnect_buffer (map);
}
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
if (buffer != NULL)
{
connect_buffer (map, buffer);
}
}
