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Learning_GTK4_tree/gtk/a11y/gtkatspiaction.c

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2023-12-12 11:36:42 +01:00
/* gtkatspiaction.c: ATSPI Action implementation
*
* Copyright 2020 GNOME Foundation
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gtkatspiactionprivate.h"
#include "gtkatspicontextprivate.h"
#include "gtkatcontextprivate.h"
#include "a11y/atspi/atspi-action.h"
#include "gtkactionable.h"
#include "gtkactionmuxerprivate.h"
#include "gtkbutton.h"
#include "gtkcolorswatchprivate.h"
#include "gtkentryprivate.h"
#include "gtkexpander.h"
#include "gtkmodelbuttonprivate.h"
#include "gtkpasswordentryprivate.h"
#include "gtksearchentry.h"
#include "gtkswitch.h"
#include "gtkwidgetprivate.h"
#include <glib/gi18n-lib.h>
typedef struct _Action Action;
struct _Action
{
const char *name;
const char *localized_name;
const char *description;
const char *keybinding;
gboolean (* is_enabled) (GtkAtSpiContext *context);
gboolean (* activate) (GtkAtSpiContext *context);
};
static void
action_handle_method (GtkAtSpiContext *self,
const char *method_name,
GVariant *parameters,
GDBusMethodInvocation *invocation,
const Action *actions,
int n_actions)
{
if (g_strcmp0 (method_name, "GetName") == 0)
{
int idx = -1;
g_variant_get (parameters, "(i)", &idx);
if (idx >= 0 && idx < n_actions)
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(s)", actions[idx].name));
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 = -1;
g_variant_get (parameters, "(i)", &idx);
if (idx >= 0 && idx < n_actions)
{
const Action *action = &actions[idx];
const char *s = g_dpgettext2 (GETTEXT_PACKAGE, "accessibility", action->localized_name);
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(s)", s));
}
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 = -1;
g_variant_get (parameters, "(i)", &idx);
if (idx >= 0 && idx < n_actions)
{
const Action *action = &actions[idx];
const char *s = g_dpgettext2 (GETTEXT_PACKAGE, "accessibility", action->description);
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(s)", s));
}
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 = -1;
g_variant_get (parameters, "(i)", &idx);
if (idx >= 0 && idx < n_actions)
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(s)", actions[idx].keybinding));
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)"));
for (int i = 0; i < n_actions; i++)
{
const Action *action = &actions[i];
if (action->is_enabled != NULL && !action->is_enabled (self))
continue;
g_variant_builder_add (&builder, "(sss)",
g_dpgettext2 (GETTEXT_PACKAGE, "accessibility", action->localized_name),
g_dpgettext2 (GETTEXT_PACKAGE, "accessibility", action->description),
action->keybinding);
}
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(a(sss))", &builder));
}
else if (g_strcmp0 (method_name, "DoAction") == 0)
{
GtkAccessible *accessible = gtk_at_context_get_accessible (GTK_AT_CONTEXT (self));
GtkWidget *widget = GTK_WIDGET (accessible);
int idx = -1;
if (!gtk_widget_is_sensitive (widget) || !gtk_widget_get_visible (widget))
{
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(b)", FALSE));
return;
}
g_variant_get (parameters, "(i)", &idx);
if (idx >= 0 && idx < n_actions)
{
const Action *action = &actions[idx];
if (action->is_enabled == NULL || action->is_enabled (self))
{
gboolean res = TRUE;
if (action->activate == NULL)
{
gtk_widget_activate (widget);
}
else
{
res = action->activate (self);
}
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(b)", res));
}
else
{
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(b)", FALSE));
}
}
else
{
g_dbus_method_invocation_return_error (invocation,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
"Unknown action %d",
idx);
}
}
}
static GVariant *
action_handle_get_property (GtkAtSpiContext *self,
const char *property_name,
GError **error,
const Action *actions,
int n_actions)
{
if (g_strcmp0 (property_name, "NActions") == 0)
{
int n_valid_actions = 0;
for (int i = 0; i < n_actions; i++)
{
const Action *action = &actions[i];
if (action->is_enabled == NULL || action->is_enabled (self))
n_valid_actions += 1;
}
return g_variant_new_int32 (n_valid_actions);
}
g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
"Unknown property '%s'", property_name);
return NULL;
}
/* {{{ GtkButton */
static Action button_actions[] = {
{
.name = "click",
.localized_name = NC_("accessibility", "Click"),
.description = NC_("accessibility", "Clicks the button"),
.keybinding = "<Space>",
},
};
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;
action_handle_method (self, method_name, parameters, invocation,
button_actions,
G_N_ELEMENTS (button_actions));
}
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)
{
GtkAtSpiContext *self = user_data;
return action_handle_get_property (self, property_name, error,
button_actions,
G_N_ELEMENTS (button_actions));
}
static const GDBusInterfaceVTable button_action_vtable = {
button_handle_method,
button_handle_get_property,
NULL,
};
/* }}} */
/* {{{ GtkSwitch */
static const Action switch_actions[] = {
{
.name = "toggle",
.localized_name = NC_("accessibility", "Toggle"),
.description = NC_("accessibility", "Toggles the switch"),
.keybinding = "<Space>",
},
};
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;
action_handle_method (self, method_name, parameters, invocation,
switch_actions,
G_N_ELEMENTS (switch_actions));
}
static GVariant *
switch_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)
{
GtkAtSpiContext *self = user_data;
return action_handle_get_property (self, property_name, error,
switch_actions,
G_N_ELEMENTS (switch_actions));
}
static const GDBusInterfaceVTable switch_action_vtable = {
switch_handle_method,
switch_handle_get_property,
NULL,
};
/* }}} */
/* {{{ GtkColorSwatch */
static gboolean
color_swatch_select (GtkAtSpiContext *self)
{
GtkAccessible *accessible = gtk_at_context_get_accessible (GTK_AT_CONTEXT (self));
gtk_color_swatch_select (GTK_COLOR_SWATCH (accessible));
return TRUE;
}
static gboolean
color_swatch_activate (GtkAtSpiContext *self)
{
GtkAccessible *accessible = gtk_at_context_get_accessible (GTK_AT_CONTEXT (self));
gtk_color_swatch_activate (GTK_COLOR_SWATCH (accessible));
return TRUE;
}
static gboolean
color_swatch_customize (GtkAtSpiContext *self)
{
GtkAccessible *accessible = gtk_at_context_get_accessible (GTK_AT_CONTEXT (self));
gtk_color_swatch_customize (GTK_COLOR_SWATCH (accessible));
return TRUE;
}
static gboolean
color_swatch_is_enabled (GtkAtSpiContext *self)
{
GtkAccessible *accessible = gtk_at_context_get_accessible (GTK_AT_CONTEXT (self));
return gtk_color_swatch_get_selectable (GTK_COLOR_SWATCH (accessible));
}
static const Action color_swatch_actions[] = {
{
.name = "select",
.localized_name = NC_("accessibility", "Select"),
.description = NC_("accessibility", "Selects the color"),
.keybinding = "<Return>",
.activate = color_swatch_select,
.is_enabled = color_swatch_is_enabled,
},
{
.name = "activate",
.localized_name = NC_("accessibility", "Activate"),
.description = NC_("accessibility", "Activates the color"),
.keybinding = "<VoidSymbol>",
.activate = color_swatch_activate,
.is_enabled = color_swatch_is_enabled,
},
{
.name = "customize",
.localized_name = NC_("accessibility", "Customize"),
.description = NC_("accessibility", "Customizes the color"),
.keybinding = "<VoidSymbol>",
.activate = color_swatch_customize,
.is_enabled = color_swatch_is_enabled,
},
};
static void
color_swatch_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;
action_handle_method (self, method_name, parameters, invocation,
color_swatch_actions,
G_N_ELEMENTS (color_swatch_actions));
}
static GVariant *
color_swatch_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)
{
GtkAtSpiContext *self = user_data;
return action_handle_get_property (self, property_name, error,
color_swatch_actions,
G_N_ELEMENTS (color_swatch_actions));
}
static const GDBusInterfaceVTable color_swatch_action_vtable = {
color_swatch_handle_method,
color_swatch_handle_get_property,
NULL,
};
/* }}} */
/* {{{ GtkExpander */
static const Action expander_actions[] = {
{
.name = "activate",
.localized_name = NC_("accessibility", "Activate"),
.description = NC_("accessibility", "Activates the expander"),
.keybinding = "<Space>",
},
};
static void
expander_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;
action_handle_method (self, method_name, parameters, invocation,
expander_actions,
G_N_ELEMENTS (expander_actions));
}
static GVariant *
expander_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)
{
GtkAtSpiContext *self = user_data;
return action_handle_get_property (self, property_name, error,
expander_actions,
G_N_ELEMENTS (expander_actions));
}
static const GDBusInterfaceVTable expander_action_vtable = {
expander_handle_method,
expander_handle_get_property,
NULL,
};
/* }}} */
/* {{{ GtkEntry */
static gboolean is_primary_icon_enabled (GtkAtSpiContext *self);
static gboolean is_secondary_icon_enabled (GtkAtSpiContext *self);
static gboolean activate_primary_icon (GtkAtSpiContext *self);
static gboolean activate_secondary_icon (GtkAtSpiContext *self);
static const Action entry_actions[] = {
{
.name = "activate",
.localized_name = NC_("accessibility", "Activate"),
.description = NC_("accessibility", "Activates the entry"),
.keybinding = "<Return>",
.is_enabled = NULL,
.activate = NULL,
},
{
.name = "activate-primary-icon",
.localized_name = NC_("accessibility", "Activate primary icon"),
.description = NC_("accessibility", "Activates the primary icon of the entry"),
.keybinding = "<VoidSymbol>",
.is_enabled = is_primary_icon_enabled,
.activate = activate_primary_icon,
},
{
.name = "activate-secondary-icon",
.localized_name = NC_("accessibility", "Activate secondary icon"),
.description = NC_("accessibility", "Activates the secondary icon of the entry"),
.keybinding = "<VoidSymbol>",
.is_enabled = is_secondary_icon_enabled,
.activate = activate_secondary_icon,
},
};
static gboolean
is_primary_icon_enabled (GtkAtSpiContext *self)
{
GtkAccessible *accessible = gtk_at_context_get_accessible (GTK_AT_CONTEXT (self));
GtkEntry *entry = GTK_ENTRY (accessible);
return gtk_entry_get_icon_storage_type (entry, GTK_ENTRY_ICON_PRIMARY) != GTK_IMAGE_EMPTY;
}
static gboolean
activate_primary_icon (GtkAtSpiContext *self)
{
GtkAccessible *accessible = gtk_at_context_get_accessible (GTK_AT_CONTEXT (self));
GtkEntry *entry = GTK_ENTRY (accessible);
return gtk_entry_activate_icon (entry, GTK_ENTRY_ICON_PRIMARY);
}
static gboolean
is_secondary_icon_enabled (GtkAtSpiContext *self)
{
GtkAccessible *accessible = gtk_at_context_get_accessible (GTK_AT_CONTEXT (self));
GtkEntry *entry = GTK_ENTRY (accessible);
return gtk_entry_get_icon_storage_type (entry, GTK_ENTRY_ICON_SECONDARY) != GTK_IMAGE_EMPTY;
}
static gboolean
activate_secondary_icon (GtkAtSpiContext *self)
{
GtkAccessible *accessible = gtk_at_context_get_accessible (GTK_AT_CONTEXT (self));
GtkEntry *entry = GTK_ENTRY (accessible);
return gtk_entry_activate_icon (entry, GTK_ENTRY_ICON_SECONDARY);
}
static void
entry_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;
action_handle_method (self, method_name, parameters, invocation,
entry_actions,
G_N_ELEMENTS (entry_actions));
}
static GVariant *
entry_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)
{
GtkAtSpiContext *self = user_data;
return action_handle_get_property (self, property_name, error,
entry_actions,
G_N_ELEMENTS (entry_actions));
}
static const GDBusInterfaceVTable entry_action_vtable = {
entry_handle_method,
entry_handle_get_property,
NULL,
};
/* }}} */
/* {{{ GtkPasswordEntry */
static gboolean is_peek_enabled (GtkAtSpiContext *self);
static gboolean activate_peek (GtkAtSpiContext *self);
static const Action password_entry_actions[] = {
{
.name = "activate",
.localized_name = NC_("accessibility", "Activate"),
.description = NC_("accessibility", "Activates the entry"),
.keybinding = "<Return>",
.is_enabled = NULL,
.activate = NULL,
},
{
.name = "peek",
.localized_name = NC_("accessibility", "Peek"),
.description = NC_("accessibility", "Shows the contents of the password entry"),
.keybinding = "<VoidSymbol>",
.is_enabled = is_peek_enabled,
.activate = activate_peek,
},
};
static gboolean
is_peek_enabled (GtkAtSpiContext *self)
{
GtkAccessible *accessible = gtk_at_context_get_accessible (GTK_AT_CONTEXT (self));
GtkPasswordEntry *entry = GTK_PASSWORD_ENTRY (accessible);
if (!gtk_password_entry_get_show_peek_icon (entry))
return FALSE;
return TRUE;
}
static gboolean
activate_peek (GtkAtSpiContext *self)
{
GtkAccessible *accessible = gtk_at_context_get_accessible (GTK_AT_CONTEXT (self));
GtkPasswordEntry *entry = GTK_PASSWORD_ENTRY (accessible);
gtk_password_entry_toggle_peek (entry);
return TRUE;
}
static void
password_entry_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;
action_handle_method (self, method_name, parameters, invocation,
password_entry_actions,
G_N_ELEMENTS (password_entry_actions));
}
static GVariant *
password_entry_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)
{
GtkAtSpiContext *self = user_data;
return action_handle_get_property (self, property_name, error,
password_entry_actions,
G_N_ELEMENTS (password_entry_actions));
}
static const GDBusInterfaceVTable password_entry_action_vtable = {
password_entry_handle_method,
password_entry_handle_get_property,
NULL,
};
/* }}} */
/* {{{ GtkSearchEntry */
static gboolean is_clear_enabled (GtkAtSpiContext *self);
static gboolean activate_clear (GtkAtSpiContext *self);
static const Action search_entry_actions[] = {
{
.name = "activate",
.localized_name = NC_("accessibility", "Activate"),
.description = NC_("accessibility", "Activates the entry"),
.keybinding = "<Return>",
.is_enabled = NULL,
.activate = NULL,
},
{
.name = "clear",
.localized_name = NC_("accessibility", "Clear"),
.description = NC_("accessibility", "Clears the contents of the entry"),
.keybinding = "<VoidSymbol>",
.is_enabled = is_clear_enabled,
.activate = activate_clear,
},
};
static gboolean
is_clear_enabled (GtkAtSpiContext *self)
{
GtkAccessible *accessible = gtk_at_context_get_accessible (GTK_AT_CONTEXT (self));
GtkSearchEntry *entry = GTK_SEARCH_ENTRY (accessible);
const char *str = gtk_editable_get_text (GTK_EDITABLE (entry));
if (str == NULL || *str == '\0')
return FALSE;
return TRUE;
}
static gboolean
activate_clear (GtkAtSpiContext *self)
{
GtkAccessible *accessible = gtk_at_context_get_accessible (GTK_AT_CONTEXT (self));
gtk_editable_set_text (GTK_EDITABLE (accessible), "");
return TRUE;
}
static void
search_entry_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;
action_handle_method (self, method_name, parameters, invocation,
search_entry_actions,
G_N_ELEMENTS (search_entry_actions));
}
static GVariant *
search_entry_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)
{
GtkAtSpiContext *self = user_data;
return action_handle_get_property (self, property_name, error,
search_entry_actions,
G_N_ELEMENTS (search_entry_actions));
}
static const GDBusInterfaceVTable search_entry_action_vtable = {
search_entry_handle_method,
search_entry_handle_get_property,
NULL,
};
/* }}} */
static gboolean
is_valid_action (GtkActionMuxer *muxer,
const char *action_name)
{
const GVariantType *param_type = NULL;
gboolean enabled = FALSE;
/* Skip disabled or parametrized actions */
if (!gtk_action_muxer_query_action (muxer, action_name,
&enabled,
&param_type, NULL,
NULL, NULL))
return FALSE;
if (!enabled || param_type != NULL)
return FALSE;
return TRUE;
}
static void
add_muxer_actions (GtkActionMuxer *muxer,
char **actions,
int n_actions,
GVariantBuilder *builder)
{
for (int i = 0; i < n_actions; i++)
{
if (!is_valid_action (muxer, actions[i]))
continue;
g_variant_builder_add (builder, "(sss)",
actions[i],
actions[i],
"<VoidSymbol>");
}
}
static const char *
get_action_at_index (GtkActionMuxer *muxer,
char **actions,
int n_actions,
int pos)
{
int real_pos = 0;
for (int i = 0; i < n_actions; i++)
{
if (!is_valid_action (muxer, actions[i]))
continue;
if (real_pos == pos)
return actions[i];
real_pos += 1;
}
return NULL;
}
static int
get_valid_actions (GtkActionMuxer *muxer,
char **actions,
int n_actions)
{
int n_enabled_actions = 0;
for (int i = 0; i < n_actions; i++)
{
if (!is_valid_action (muxer, actions[i]))
continue;
n_enabled_actions += 1;
}
return n_enabled_actions;
}
static void
widget_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);
GtkWidget *parent = gtk_widget_get_parent (widget);
GtkActionMuxer *muxer = _gtk_widget_get_action_muxer (widget, FALSE);
GtkActionMuxer *parent_muxer = parent ? _gtk_widget_get_action_muxer (parent, FALSE) : NULL;
if (muxer == NULL)
return;
char **actions = NULL;
if (muxer != parent_muxer)
actions = gtk_action_muxer_list_actions (muxer, TRUE);
int n_actions = actions != NULL ? g_strv_length (actions) : 0;
/* XXX: We need more fields in the action API */
if (g_strcmp0 (method_name, "GetName") == 0 ||
g_strcmp0 (method_name, "GetLocalizedName") == 0 ||
g_strcmp0 (method_name, "GetDescription") == 0)
{
int action_idx;
g_variant_get (parameters, "(i)", &action_idx);
const char *action = get_action_at_index (muxer, actions, n_actions, action_idx);
if (action != NULL && gtk_widget_is_sensitive (widget))
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(s)", action));
else
g_dbus_method_invocation_return_error (invocation,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
"No action with index %d",
action_idx);
}
else if (g_strcmp0 (method_name, "DoAction") == 0)
{
int action_idx;
g_variant_get (parameters, "(i)", &action_idx);
const char *action = get_action_at_index (muxer, actions, n_actions, action_idx);
if (action != NULL && gtk_widget_is_sensitive (widget))
{
gboolean res = gtk_widget_activate_action_variant (widget, action, NULL);
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(b)", res));
}
else
{
g_dbus_method_invocation_return_error (invocation,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
"No action with index %d",
action_idx);
}
}
else if (g_strcmp0 (method_name, "GetKeyBinding") == 0)
{
int action_idx;
g_variant_get (parameters, "(i)", &action_idx);
const char *action = get_action_at_index (muxer, actions, n_actions, action_idx);
if (action != NULL && gtk_widget_is_sensitive (widget))
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(s)", "<VoidSymbol>"));
else
g_dbus_method_invocation_return_error (invocation,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
"No action with index %d",
action_idx);
}
else if (g_strcmp0 (method_name, "GetActions") == 0)
{
GVariantBuilder builder = G_VARIANT_BUILDER_INIT (G_VARIANT_TYPE ("a(sss)"));
if (n_actions >= 0 && gtk_widget_is_sensitive (widget))
add_muxer_actions (muxer, actions, n_actions, &builder);
g_dbus_method_invocation_return_value (invocation, g_variant_new ("(a(sss))", &builder));
}
g_strfreev (actions);
}
static GVariant *
widget_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)
{
GtkAtSpiContext *self = user_data;
GtkAccessible *accessible = gtk_at_context_get_accessible (GTK_AT_CONTEXT (self));
GtkWidget *widget = GTK_WIDGET (accessible);
GtkWidget *parent = gtk_widget_get_parent (widget);
GtkActionMuxer *muxer = _gtk_widget_get_action_muxer (widget, FALSE);
GtkActionMuxer *parent_muxer = parent ? _gtk_widget_get_action_muxer (parent, FALSE) : NULL;
GVariant *res = NULL;
if (muxer == NULL)
return res;
char **actions = NULL;
if (muxer != parent_muxer)
actions = gtk_action_muxer_list_actions (muxer, TRUE);
int n_actions = actions != NULL ? g_strv_length (actions) : 0;
if (g_strcmp0 (property_name, "NActions") == 0)
res = g_variant_new ("i", get_valid_actions (muxer, actions, n_actions));
else
g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
"Unknown property '%s'", property_name);
return res;
}
static const GDBusInterfaceVTable widget_action_vtable = {
widget_handle_method,
widget_handle_get_property,
NULL,
};
const GDBusInterfaceVTable *
gtk_atspi_get_action_vtable (GtkAccessible *accessible)
{
if (GTK_IS_BUTTON (accessible) ||
GTK_IS_MODEL_BUTTON (accessible))
return &button_action_vtable;
else if (GTK_IS_ENTRY (accessible))
return &entry_action_vtable;
else if (GTK_IS_EXPANDER (accessible))
return &expander_action_vtable;
else if (GTK_IS_PASSWORD_ENTRY (accessible))
return &password_entry_action_vtable;
else if (GTK_IS_SEARCH_ENTRY (accessible))
return &search_entry_action_vtable;
else if (GTK_IS_SWITCH (accessible))
return &switch_action_vtable;
else if (GTK_IS_COLOR_SWATCH (accessible))
return &color_swatch_action_vtable;
else if (GTK_IS_WIDGET (accessible))
return &widget_action_vtable;
return NULL;
}
/* vim:set foldmethod=marker expandtab: */