forked from AuroraMiddleware/gtk
GtkLabelAccessible: reorganize the code
Separate the GtkLabelAccessible, GtkLabelAccessibleLink and GtkLabelAccessibleLinkImpl implementations more clearly.
This commit is contained in:
Matthias Clasen
parent
b85a8001e0
commit
9bf89f2b5e
@ -15,6 +15,8 @@
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* Preamble {{{1 */
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#include "config.h"
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#include <gtk/gtk.h>
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@ -49,6 +51,9 @@ struct _GtkLabelAccessibleLinkClass
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AtkHyperlinkClass parent_class;
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};
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static GtkLabelAccessibleLink *gtk_label_accessible_link_new (GtkLabelAccessible *label,
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gint idx);
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typedef struct _GtkLabelAccessibleLinkImpl GtkLabelAccessibleLinkImpl;
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typedef struct _GtkLabelAccessibleLinkImplClass GtkLabelAccessibleLinkImplClass;
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@ -64,44 +69,15 @@ struct _GtkLabelAccessibleLinkImplClass
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AtkObjectClass parent_class;
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};
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static void atk_action_interface_init (AtkActionIface *iface);
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static void atk_hyperlink_impl_interface_init (AtkHyperlinkImplIface *iface);
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/* GtkLabelAccessibleLinkImpl {{{1 */
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GType _gtk_label_accessible_link_get_type (void);
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GType _gtk_label_accessible_link_impl_get_type (void);
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G_DEFINE_TYPE_WITH_CODE (GtkLabelAccessibleLink, _gtk_label_accessible_link, ATK_TYPE_HYPERLINK,
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G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, atk_action_interface_init))
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static void atk_hyperlink_impl_interface_init (AtkHyperlinkImplIface *iface);
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G_DEFINE_TYPE_WITH_CODE (GtkLabelAccessibleLinkImpl, _gtk_label_accessible_link_impl, ATK_TYPE_OBJECT,
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G_IMPLEMENT_INTERFACE (ATK_TYPE_HYPERLINK_IMPL, atk_hyperlink_impl_interface_init))
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static GtkLabelAccessibleLink *
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gtk_label_accessible_link_new (GtkLabelAccessible *label,
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gint idx)
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{
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GtkLabelAccessibleLink *link;
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link = g_object_new (_gtk_label_accessible_link_get_type (), NULL);
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link->label = label;
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link->index = idx;
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return link;
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}
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static GtkLabelAccessibleLinkImpl *
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gtk_label_accessible_link_impl_new (GtkLabelAccessible *label,
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gint idx)
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{
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GtkLabelAccessibleLinkImpl *impl;
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impl = g_object_new (_gtk_label_accessible_link_impl_get_type (), NULL);
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atk_object_set_parent (ATK_OBJECT (impl), ATK_OBJECT (label));
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impl->link = gtk_label_accessible_link_new (label, idx);
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return impl;
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}
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static AtkHyperlink *
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gtk_label_accessible_link_impl_get_hyperlink (AtkHyperlinkImpl *atk_impl)
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{
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@ -172,6 +148,30 @@ _gtk_label_accessible_link_impl_class_init (GtkLabelAccessibleLinkImplClass *cla
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atk_obj_class->ref_state_set = gtk_label_accessible_link_impl_ref_state_set;
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}
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/* 'Public' API {{{2 */
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static GtkLabelAccessibleLinkImpl *
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gtk_label_accessible_link_impl_new (GtkLabelAccessible *label,
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gint idx)
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{
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GtkLabelAccessibleLinkImpl *impl;
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impl = g_object_new (_gtk_label_accessible_link_impl_get_type (), NULL);
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atk_object_set_parent (ATK_OBJECT (impl), ATK_OBJECT (label));
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impl->link = gtk_label_accessible_link_new (label, idx);
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return impl;
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}
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/* GtkLabelAccessibleLink {{{1 */
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GType _gtk_label_accessible_link_get_type (void);
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static void atk_action_interface_init (AtkActionIface *iface);
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G_DEFINE_TYPE_WITH_CODE (GtkLabelAccessibleLink, _gtk_label_accessible_link, ATK_TYPE_HYPERLINK,
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G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, atk_action_interface_init))
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static gchar *
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gtk_label_accessible_link_get_uri (AtkHyperlink *atk_link,
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gint i)
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@ -264,6 +264,23 @@ _gtk_label_accessible_link_class_init (GtkLabelAccessibleLinkClass *class)
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atk_link_class->get_end_index = gtk_label_accessible_link_get_end_index;
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}
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/* 'Public' API {{{2 */
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static GtkLabelAccessibleLink *
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gtk_label_accessible_link_new (GtkLabelAccessible *label,
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gint idx)
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{
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GtkLabelAccessibleLink *link;
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link = g_object_new (_gtk_label_accessible_link_get_type (), NULL);
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link->label = label;
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link->index = idx;
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return link;
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}
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/* AtkAction implementation {{{2 */
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static gboolean
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gtk_label_accessible_link_do_action (AtkAction *action,
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gint i)
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@ -313,6 +330,8 @@ atk_action_interface_init (AtkActionIface *iface)
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iface->get_name = gtk_label_accessible_link_get_name;
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}
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/* GtkLabelAccessible {{{1 */
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static void atk_text_interface_init (AtkTextIface *iface);
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static void atk_hypertext_interface_init (AtkHypertextIface *iface);
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@ -379,46 +398,6 @@ check_for_selection_change (GtkLabelAccessible *accessible,
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return ret_val;
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}
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void
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_gtk_label_accessible_text_deleted (GtkLabel *label)
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{
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AtkObject *obj;
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const char *text;
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guint length;
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obj = _gtk_widget_peek_accessible (GTK_WIDGET (label));
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if (obj == NULL)
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return;
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text = gtk_label_get_text (label);
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length = g_utf8_strlen (text, -1);
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if (length > 0)
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g_signal_emit_by_name (obj, "text-changed::delete", 0, length);
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}
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void
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_gtk_label_accessible_text_inserted (GtkLabel *label)
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{
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AtkObject *obj;
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const char *text;
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guint length;
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obj = _gtk_widget_peek_accessible (GTK_WIDGET (label));
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if (obj == NULL)
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return;
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text = gtk_label_get_text (label);
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length = g_utf8_strlen (text, -1);
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if (length > 0)
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g_signal_emit_by_name (obj, "text-changed::insert", 0, length);
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if (obj->name == NULL)
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/* The label has changed so notify a change in accessible-name */
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g_object_notify (G_OBJECT (obj), "accessible-name");
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g_signal_emit_by_name (obj, "visible-data-changed");
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}
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static void
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gtk_label_accessible_notify_gtk (GObject *obj,
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GParamSpec *pspec)
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@ -609,7 +588,125 @@ gtk_label_accessible_class_init (GtkLabelAccessibleClass *klass)
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widget_class->notify_gtk = gtk_label_accessible_notify_gtk;
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}
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/* atktext.h */
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/* 'Public' API {{{2 */
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void
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_gtk_label_accessible_text_deleted (GtkLabel *label)
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{
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AtkObject *obj;
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const char *text;
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guint length;
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obj = _gtk_widget_peek_accessible (GTK_WIDGET (label));
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if (obj == NULL)
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return;
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text = gtk_label_get_text (label);
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length = g_utf8_strlen (text, -1);
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if (length > 0)
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g_signal_emit_by_name (obj, "text-changed::delete", 0, length);
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}
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void
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_gtk_label_accessible_text_inserted (GtkLabel *label)
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{
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AtkObject *obj;
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const char *text;
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guint length;
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obj = _gtk_widget_peek_accessible (GTK_WIDGET (label));
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if (obj == NULL)
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return;
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text = gtk_label_get_text (label);
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length = g_utf8_strlen (text, -1);
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if (length > 0)
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g_signal_emit_by_name (obj, "text-changed::insert", 0, length);
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if (obj->name == NULL)
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/* The label has changed so notify a change in accessible-name */
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g_object_notify (G_OBJECT (obj), "accessible-name");
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g_signal_emit_by_name (obj, "visible-data-changed");
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}
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static void
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clear_links (GtkLabelAccessible *accessible)
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{
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GList *l;
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gint i;
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GtkLabelAccessibleLinkImpl *impl;
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for (l = accessible->priv->links, i = 0; l; l = l->next, i++)
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{
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impl = l->data;
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g_signal_emit_by_name (accessible, "children-changed::remove", i, impl, NULL);
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atk_object_set_parent (ATK_OBJECT (impl), NULL);
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impl->link->label = NULL;
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}
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g_list_free_full (accessible->priv->links, g_object_unref);
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accessible->priv->links = NULL;
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}
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static void
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create_links (GtkLabelAccessible *accessible)
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{
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GtkWidget *widget;
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gint n, i;
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GtkLabelAccessibleLinkImpl *impl;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
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n = _gtk_label_get_n_links (GTK_LABEL (widget));
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for (i = 0; i < n; i++)
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{
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impl = gtk_label_accessible_link_impl_new (accessible, i);
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accessible->priv->links = g_list_append (accessible->priv->links, impl);
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g_signal_emit_by_name (accessible, "children-changed::add", i, impl, NULL);
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}
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}
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void
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_gtk_label_accessible_update_links (GtkLabel *label)
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{
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AtkObject *obj;
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obj = _gtk_widget_peek_accessible (GTK_WIDGET (label));
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if (obj == NULL)
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return;
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clear_links (GTK_LABEL_ACCESSIBLE (obj));
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create_links (GTK_LABEL_ACCESSIBLE (obj));
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}
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void
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_gtk_label_accessible_focus_link_changed (GtkLabel *label)
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{
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AtkObject *obj;
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GtkLabelAccessible *accessible;
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GList *l;
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GtkLabelAccessibleLinkImpl *impl;
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gboolean focused;
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obj = _gtk_widget_peek_accessible (GTK_WIDGET (label));
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if (obj == NULL)
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return;
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accessible = GTK_LABEL_ACCESSIBLE (obj);
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for (l = accessible->priv->links; l; l = l->next)
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{
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impl = l->data;
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focused = _gtk_label_get_link_focused (label, impl->link->index);
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if (impl->link->focused != focused)
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{
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impl->link->focused = focused;
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atk_object_notify_state_change (ATK_OBJECT (impl), ATK_STATE_FOCUSED, focused);
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}
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}
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}
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/* AtkText implementation {{{2 */
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static gchar*
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gtk_label_accessible_get_text (AtkText *atk_text,
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@ -1093,81 +1190,7 @@ atk_text_interface_init (AtkTextIface *iface)
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iface->get_default_attributes = gtk_label_accessible_get_default_attributes;
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}
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static void
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clear_links (GtkLabelAccessible *accessible)
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{
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GList *l;
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gint i;
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GtkLabelAccessibleLinkImpl *impl;
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for (l = accessible->priv->links, i = 0; l; l = l->next, i++)
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{
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impl = l->data;
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g_signal_emit_by_name (accessible, "children-changed::remove", i, impl, NULL);
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atk_object_set_parent (ATK_OBJECT (impl), NULL);
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impl->link->label = NULL;
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}
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g_list_free_full (accessible->priv->links, g_object_unref);
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accessible->priv->links = NULL;
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}
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static void
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create_links (GtkLabelAccessible *accessible)
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{
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GtkWidget *widget;
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gint n, i;
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GtkLabelAccessibleLinkImpl *impl;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
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n = _gtk_label_get_n_links (GTK_LABEL (widget));
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for (i = 0; i < n; i++)
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{
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impl = gtk_label_accessible_link_impl_new (accessible, i);
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accessible->priv->links = g_list_append (accessible->priv->links, impl);
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g_signal_emit_by_name (accessible, "children-changed::add", i, impl, NULL);
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}
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}
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void
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_gtk_label_accessible_update_links (GtkLabel *label)
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{
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AtkObject *obj;
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obj = _gtk_widget_peek_accessible (GTK_WIDGET (label));
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if (obj == NULL)
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return;
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clear_links (GTK_LABEL_ACCESSIBLE (obj));
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create_links (GTK_LABEL_ACCESSIBLE (obj));
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}
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void
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_gtk_label_accessible_focus_link_changed (GtkLabel *label)
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{
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AtkObject *obj;
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GtkLabelAccessible *accessible;
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GList *l;
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GtkLabelAccessibleLinkImpl *impl;
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gboolean focused;
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obj = _gtk_widget_peek_accessible (GTK_WIDGET (label));
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if (obj == NULL)
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return;
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accessible = GTK_LABEL_ACCESSIBLE (obj);
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for (l = accessible->priv->links; l; l = l->next)
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{
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impl = l->data;
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focused = _gtk_label_get_link_focused (label, impl->link->index);
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if (impl->link->focused != focused)
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{
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impl->link->focused = focused;
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atk_object_notify_state_change (ATK_OBJECT (impl), ATK_STATE_FOCUSED, focused);
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}
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}
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}
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/* AtkHypertext implementation {{{2 */
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static AtkHyperlink *
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gtk_label_accessible_get_link (AtkHypertext *hypertext,
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@ -1212,3 +1235,5 @@ atk_hypertext_interface_init (AtkHypertextIface *iface)
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iface->get_n_links = gtk_label_accessible_get_n_links;
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iface->get_link_index = gtk_label_accessible_get_link_index;
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}
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/* vim:set foldmethod=marker expandtab: */
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