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/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* Copyright © 2005 Christian Persch
*
* This file is part of Epiphany.
*
* Epiphany is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Epiphany 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Epiphany. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "ephy-action-helper.h"
#define SENSITIVITY_KEY "EphyAction::Sensitivity"
/**
* ephy_action_change_sensitivity_flags:
* @action: a #GAction object
* @flags: arbitrary combination of bit flags, defined by the user
* @set: %TRUE if @flags should be added to @action
*
* This helper function provides an extra layer on top of #GAction to
* manage its sensitivity. It uses bit @flags defined by the user, like
* in ephy-window.c, SENS_FLAG_*.
*
* Effectively, the @action won't be sensitive until it has no flags
* set. This means you can stack @flags for different events or
* conditions at the same time.
*/
void
ephy_action_change_sensitivity_flags (GSimpleAction *action,
guint flags,
gboolean set)
{
static GQuark sensitivity_quark = 0;
GObject *object = G_OBJECT (action);
guint value;
if (G_UNLIKELY (sensitivity_quark == 0)) {
sensitivity_quark = g_quark_from_static_string (SENSITIVITY_KEY);
}
value = GPOINTER_TO_UINT (g_object_get_qdata (object, sensitivity_quark));
if (set) {
value |= flags;
} else {
value &= ~flags;
}
g_object_set_qdata (object, sensitivity_quark, GUINT_TO_POINTER (value));
g_simple_action_set_enabled (action, value == 0);
}
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