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atspicontext: Implement more accessible api

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Implement GetChildAtIndex, GetChildren and ChildCount.
This commit is contained in:
Matthias Clasen
2020-10-09 19:20:24 -04:00
committed by Emmanuele Bassi
parent c78019852e
commit b39f2b6465
1 changed files with 78 additions and 1 deletions
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79
gtk/a11y/gtkatspicontext.c
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@@ -137,6 +137,68 @@ handle_accessible_method (GDBusConnection *connection,
}
else if (g_strcmp0 (method_name, "GetChildAtIndex") == 0)
{
GtkWidget *child = NULL;
int idx, real_idx = 0;
g_variant_get (parameters, "(i)", &idx);
GtkAccessible *accessible = gtk_at_context_get_accessible (GTK_AT_CONTEXT (self));
GtkWidget *widget = GTK_WIDGET (accessible);
real_idx = 0;
for (child = gtk_widget_get_first_child (widget);
child;
child = gtk_widget_get_next_sibling (child))
{
if (!gtk_widget_get_visible (child))
continue;
if (real_idx == idx)
break;
real_idx += 1;
}
if (child == NULL)
{
g_dbus_method_invocation_return_error (invocation,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
"No child with index %d", idx);
return;
}
GtkATContext *context = gtk_accessible_get_at_context (GTK_ACCESSIBLE (child));
const char *name = g_dbus_connection_get_unique_name (self->connection);
const char *path = gtk_at_spi_context_get_context_path (GTK_AT_SPI_CONTEXT (context));
g_dbus_method_invocation_return_value (invocation, g_variant_new ("((so))", name, path));
}
else if (g_strcmp0 (method_name, "GetChildren") == 0)
{
GVariantBuilder builder = G_VARIANT_BUILDER_INIT (G_VARIANT_TYPE ("a(so)"));
GtkAccessible *accessible = gtk_at_context_get_accessible (GTK_AT_CONTEXT (self));
GtkWidget *widget = GTK_WIDGET (accessible);
GtkWidget *child;
for (child = gtk_widget_get_first_child (widget);
child;
child = gtk_widget_get_next_sibling (child))
{
if (!gtk_widget_get_visible (child))
continue;
GtkATContext *context = gtk_accessible_get_at_context (GTK_ACCESSIBLE (child));
const char *name = g_dbus_connection_get_unique_name (self->connection);
const char *path = gtk_at_spi_context_get_context_path (GTK_AT_SPI_CONTEXT (context));
g_variant_builder_add (&builder, "(so)", name, path);
}
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(a(so))", &builder));
}
}
@@ -193,7 +255,22 @@ handle_accessible_get_property (GDBusConnection *connection,
res = g_variant_new ("(so)", "", "/org/a11y/atspi/null");
}
else if (g_strcmp0 (property_name, "ChildCount") == 0)
res = g_variant_new_int32 (0);
{
int n_children = 0;
GtkWidget *child;
for (child = gtk_widget_get_first_child (widget);
child;
child = gtk_widget_get_next_sibling (child))
{
if (!gtk_widget_get_visible (child))
continue;
n_children++;
}
res = g_variant_new_int32 (n_children);
}
else
g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
"Unknown property '%s'", property_name);