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a11y: Special case buttons and switches

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These widgets have specific actions.
This commit is contained in:
Emmanuele Bassi 2020-10-14 18:42:00 +01:00
parent 374bd21340
commit e44f27a7ed
1 changed files with 263 additions and 1 deletions
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264
gtk/a11y/gtkatspiaction.c
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@ -29,8 +29,266 @@
#include "gtkactionable.h"
#include "gtkactionmuxerprivate.h"
#include "gtkbutton.h"
#include "gtkswitch.h"
#include "gtkwidgetprivate.h"
#include <glib/gi18n-lib.h>
static void
button_handle_method (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
const gchar *interface_name,
const gchar *method_name,
GVariant *parameters,
GDBusMethodInvocation *invocation,
gpointer user_data)
{
GtkAtSpiContext *self = user_data;
GtkAccessible *accessible = gtk_at_context_get_accessible (GTK_AT_CONTEXT (self));
GtkWidget *widget = GTK_WIDGET (accessible);
if (g_strcmp0 (method_name, "GetName") == 0)
{
int idx;
g_variant_get (parameters, "(i)", &idx);
if (idx == 0)
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(s)", "click"));
else
g_dbus_method_invocation_return_error (invocation,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
"Unknown action %d",
idx);
}
else if (g_strcmp0 (method_name, "GetLocalizedName") == 0)
{
int idx;
g_variant_get (parameters, "(i)", &idx);
if (idx == 0)
g_dbus_method_invocation_return_value (invocation,
g_variant_new ("(s)", C_("accessibility", "Click")));
else
g_dbus_method_invocation_return_error (invocation,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
"Unknown action %d",
idx);
}
else if (g_strcmp0 (method_name, "GetDescription") == 0)
{
int idx;
g_variant_get (parameters, "(i)", &idx);
if (idx == 0)
g_dbus_method_invocation_return_value (invocation,
g_variant_new ("(s)",
C_("accessibility", "Clicks the button")));
else
g_dbus_method_invocation_return_error (invocation,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
"Unknown action %d",
idx);
}
else if (g_strcmp0 (method_name, "DoAction") == 0)
{
int idx;
g_variant_get (parameters, "(i)", &idx);
if (idx == 0)
{
gtk_widget_activate (widget);
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(b)", TRUE));
}
else
{
g_dbus_method_invocation_return_error (invocation,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
"Unknown action %d",
idx);
}
}
else if (g_strcmp0 (method_name, "GetKeyBinding") == 0)
{
int idx;
g_variant_get (parameters, "(i)", &idx);
if (idx == 0)
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(s)", "<Space>"));
else
g_dbus_method_invocation_return_error (invocation,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
"Unknown action %d",
idx);
}
else if (g_strcmp0 (method_name, "GetActions") == 0)
{
GVariantBuilder builder = G_VARIANT_BUILDER_INIT (G_VARIANT_TYPE ("a(sss)"));
g_variant_builder_add (&builder, "(ssss)",
"click",
C_("accessibility", "Click"),
C_("accessibility", "Activates the button"),
"<Space>");
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(a(ssss))", &builder));
}
}
static GVariant *
button_handle_get_property (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
const gchar *interface_name,
const gchar *property_name,
GError **error,
gpointer user_data)
{
GVariant *res = NULL;
if (g_strcmp0 (property_name, "NActions") == 0)
res = g_variant_new_int32 (1);
else
g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
"Unknown property '%s'", property_name);
return res;
}
static const GDBusInterfaceVTable button_action_vtable = {
button_handle_method,
button_handle_get_property,
NULL,
};
static void
switch_handle_method (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
const gchar *interface_name,
const gchar *method_name,
GVariant *parameters,
GDBusMethodInvocation *invocation,
gpointer user_data)
{
GtkAtSpiContext *self = user_data;
GtkAccessible *accessible = gtk_at_context_get_accessible (GTK_AT_CONTEXT (self));
GtkWidget *widget = GTK_WIDGET (accessible);
if (g_strcmp0 (method_name, "GetName") == 0)
{
int idx;
g_variant_get (parameters, "(i)", &idx);
if (idx == 0)
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(s)", "toggle"));
else
g_dbus_method_invocation_return_error (invocation,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
"Unknown action %d",
idx);
}
else if (g_strcmp0 (method_name, "GetLocalizedName") == 0)
{
int idx;
g_variant_get (parameters, "(i)", &idx);
if (idx == 0)
g_dbus_method_invocation_return_value (invocation,
g_variant_new ("(s)", C_("accessibility", "Toggle")));
else
g_dbus_method_invocation_return_error (invocation,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
"Unknown action %d",
idx);
}
else if (g_strcmp0 (method_name, "GetDescription") == 0)
{
int idx;
g_variant_get (parameters, "(i)", &idx);
if (idx == 0)
g_dbus_method_invocation_return_value (invocation,
g_variant_new ("(s)",
C_("accessibility", "Toggles the switch")));
else
g_dbus_method_invocation_return_error (invocation,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
"Unknown action %d",
idx);
}
else if (g_strcmp0 (method_name, "DoAction") == 0)
{
int idx;
g_variant_get (parameters, "(i)", &idx);
if (idx == 0)
{
gtk_widget_activate (widget);
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(b)", TRUE));
}
else
{
g_dbus_method_invocation_return_error (invocation,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
"Unknown action %d",
idx);
}
}
else if (g_strcmp0 (method_name, "GetKeyBinding") == 0)
{
int idx;
g_variant_get (parameters, "(i)", &idx);
if (idx == 0)
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(s)", "<Space>"));
else
g_dbus_method_invocation_return_error (invocation,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
"Unknown action %d",
idx);
}
else if (g_strcmp0 (method_name, "GetActions") == 0)
{
GVariantBuilder builder = G_VARIANT_BUILDER_INIT (G_VARIANT_TYPE ("a(sss)"));
g_variant_builder_add (&builder, "(ssss)",
"click",
C_("accessibility", "Click"),
C_("accessibility", "Activates the button"),
"<Space>");
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(a(ssss))", &builder));
}
}
static const GDBusInterfaceVTable switch_action_vtable = {
switch_handle_method,
button_handle_get_property,
NULL,
};
static gboolean
is_valid_action (GtkActionMuxer *muxer,
const char *action_name)
@ -242,7 +500,11 @@ static const GDBusInterfaceVTable widget_action_vtable = {
const GDBusInterfaceVTable *
gtk_atspi_get_action_vtable (GtkAccessible *accessible)
{
if (GTK_IS_WIDGET (accessible))
if (GTK_IS_BUTTON (accessible))
return &button_action_vtable;
else if (GTK_IS_SWITCH (accessible))
return &switch_action_vtable;
else if (GTK_IS_WIDGET (accessible))
return &widget_action_vtable;
return NULL;