Lerking/gtk
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

a11y: Emit the ATSPI text change notification events

Browse Source 
Emit the signals on the D-Bus connection object, if one is available.
This commit is contained in:
Emmanuele Bassi
2024-02-04 10:21:28 +01:00
committed by Matthias Clasen
parent 28fd3fbf50
commit 40b5002338
1 changed files with 63 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

63
gtk/a11y/gtkatspicontext.c
View File

@@ -1617,6 +1617,68 @@ gtk_at_spi_context_update_selection_bound (GtkATContext *context)
NULL);
}
static void
gtk_at_spi_context_update_text_contents (GtkATContext *context,
GtkAccessibleTextContentChange change,
unsigned int start,
unsigned int end)
{
GtkAtSpiContext *self = GTK_AT_SPI_CONTEXT (context);
if (self->connection == NULL)
return;
GtkAccessible *accessible = gtk_at_context_get_accessible (context);
if (!GTK_IS_ACCESSIBLE_TEXT (accessible))
return;
const char *kind = "";
switch (change)
{
case GTK_ACCESSIBLE_TEXT_CONTENT_CHANGE_INSERT:
kind = "insert";
break;
case GTK_ACCESSIBLE_TEXT_CONTENT_CHANGE_REMOVE:
kind = "delete";
break;
default:
g_assert_not_reached ();
}
/* Retrieve the text using the given range */
GBytes *contents = gtk_accessible_text_get_contents (GTK_ACCESSIBLE_TEXT (accessible),
start, end);
if (contents == NULL)
goto out;
const char *text = g_bytes_get_data (contents, NULL);
if (text == NULL)
goto out;
/* Using G_MAXUINT in GTK maps to the text length */
if (end == G_MAXUINT)
end = g_utf8_strlen (text, -1);
g_dbus_connection_emit_signal (self->connection,
NULL,
self->context_path,
"org.a11y.atspi.Event.Object",
"TextChanged",
g_variant_new ("(siiva{sv})",
kind,
start,
end - start,
g_variant_new_string (text),
NULL),
NULL);
out:
g_clear_pointer (&contents, g_bytes_unref);
}
static void
gtk_at_spi_context_class_init (GtkAtSpiContextClass *klass)
{
@@ -1634,6 +1696,7 @@ gtk_at_spi_context_class_init (GtkAtSpiContextClass *klass)
context_class->announce = gtk_at_spi_context_announce;
context_class->update_caret_position = gtk_at_spi_context_update_caret_position;
context_class->update_selection_bound = gtk_at_spi_context_update_selection_bound;
context_class->update_text_contents = gtk_at_spi_context_update_text_contents;
}
static void