76 lines
1.7 KiB
C++
76 lines
1.7 KiB
C++
/*
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* \brief Global keys handling
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* \author Norman Feske
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* \date 2013-09-07
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*/
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/*
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* Copyright (C) 2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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/* Genode includes */
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#include <os/config.h>
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/* local includes */
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#include "global_keys.h"
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Global_keys::Policy *Global_keys::_lookup_policy(char const *key_name)
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{
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for (unsigned i = 0; i < NUM_POLICIES; i++)
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if (Genode::strcmp(key_name, Input::key_name((Input::Keycode)i)) == 0)
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return &_policies[i];
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return 0;
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}
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void Global_keys::apply_config(Session_list &session_list)
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{
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for (unsigned i = 0; i < NUM_POLICIES; i++)
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_policies[i] = Policy();
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char const *node_type = "global-key";
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using Genode::Xml_node;
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try {
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Xml_node node = Genode::config()->xml_node().sub_node(node_type);
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for (; ; node = node.next(node_type)) {
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if (!node.has_attribute("name")) {
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PWRN("attribute 'name' missing in <global-key> config node");
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continue;
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}
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char name[32]; name[0] = 0;
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node.attribute("name").value(name, sizeof(name));
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Policy * policy = _lookup_policy(name);
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if (!policy) {
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PWRN("invalid key name \"%s\"", name);
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continue;
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}
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/* if two policies match, give precedence to policy defined first */
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if (policy->defined())
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continue;
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if (!node.has_attribute("label")) {
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PWRN("missing 'label' attribute for key %s", name);
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continue;
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}
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/* assign policy to matching client session */
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for (Session *s = session_list.first(); s; s = s->next())
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if (node.attribute("label").has_value(s->label().string()))
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policy->client(s);
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}
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} catch (Xml_node::Nonexistent_sub_node) { }
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}
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