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/*
* Copyright (C) 2011-2013 Team XBMC
* http://xbmc.org
*
* This Program 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 2, or (at your option)
* any later version.
*
* This Program 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 XBMC; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#include <sstream>
#include <iostream>
#include <stdexcept>
#include <boost/bind.hpp>
#include <boost/function.hpp>
#include <boost/scope_exit.hpp>
#include <wayland-client.h>
#include "windowing/DllWaylandClient.h"
#include "windowing/DllXKBCommon.h"
#include "windowing/WaylandProtocol.h"
#include "input/linux/XKBCommonKeymap.h"
#include "Keyboard.h"
namespace xw = xbmc::wayland;
const struct wl_keyboard_listener xw::Keyboard::m_listener =
{
Keyboard::HandleKeymapCallback,
Keyboard::HandleEnterCallback,
Keyboard::HandleLeaveCallback,
Keyboard::HandleKeyCallback,
Keyboard::HandleModifiersCallback
};
namespace
{
void DestroyXKBCommonContext(struct xkb_context *context,
IDllXKBCommon &xkbCommonLibrary)
{
xkbCommonLibrary.xkb_context_unref(context);
}
}
xw::Keyboard::Keyboard(IDllWaylandClient &clientLibrary,
IDllXKBCommon &xkbCommonLibrary,
struct wl_keyboard *keyboard,
IKeyboardReceiver &receiver) :
m_clientLibrary(clientLibrary),
m_xkbCommonLibrary(xkbCommonLibrary),
m_xkbCommonContext(CXKBKeymap::CreateXKBContext(m_xkbCommonLibrary),
boost::bind(DestroyXKBCommonContext,
_1,
boost::ref(m_xkbCommonLibrary))),
m_keyboard(keyboard),
m_reciever(receiver)
{
protocol::AddListenerOnWaylandObject(m_clientLibrary,
m_keyboard,
&m_listener,
this);
}
xw::Keyboard::~Keyboard()
{
protocol::DestroyWaylandObject(m_clientLibrary,
m_keyboard);
}
void xw::Keyboard::HandleKeymapCallback(void *data,
struct wl_keyboard *keyboard,
uint32_t format,
int fd,
uint32_t size)
{
static_cast <Keyboard *>(data)->HandleKeymap(format,
fd,
size);
}
void xw::Keyboard::HandleEnterCallback(void *data,
struct wl_keyboard *keyboard,
uint32_t serial,
struct wl_surface *surface,
struct wl_array *keys)
{
static_cast<Keyboard *>(data)->HandleEnter(serial,
surface,
keys);
}
void xw::Keyboard::HandleLeaveCallback(void *data,
struct wl_keyboard *keyboard,
uint32_t serial,
struct wl_surface *surface)
{
static_cast<Keyboard *>(data)->HandleLeave(serial,
surface);
}
void xw::Keyboard::HandleKeyCallback(void *data,
struct wl_keyboard *keyboard,
uint32_t serial,
uint32_t time,
uint32_t key,
uint32_t state)
{
static_cast<Keyboard *>(data)->HandleKey(serial,
time,
key,
state);
}
void xw::Keyboard::HandleModifiersCallback(void *data,
struct wl_keyboard *keyboard,
uint32_t serial,
uint32_t mods_depressed,
uint32_t mods_latched,
uint32_t mods_locked,
uint32_t group)
{
static_cast<Keyboard *>(data)->HandleModifiers(serial,
mods_depressed,
mods_latched,
mods_locked,
group);
}
/* Creates a new internal keymap representation for a serialized
* keymap as represented in shared memory as referred to by fd.
*
* Since the fd is sent to us via sendmsg(), the currently running
* process has ownership over it. As such, it MUST close the file
* descriptor after it has decided what to do with it in order to
* avoid a leak.
*/
void xw::Keyboard::HandleKeymap(uint32_t format,
int fd,
uint32_t size)
{
/* The file descriptor must always be closed */
BOOST_SCOPE_EXIT((fd))
{
close(fd);
} BOOST_SCOPE_EXIT_END
/* We don't understand anything other than xkbv1. If we get some
* other keyboard, then we can't process keyboard events reliably
* and that's a runtime error. */
if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1)
throw std::runtime_error("Server gave us a keymap we don't understand");
bool successfullyCreatedKeyboard = false;
/* Either throws or returns a valid xkb_keymap * */
struct xkb_keymap *keymap =
CXKBKeymap::ReceiveXKBKeymapFromSharedMemory(m_xkbCommonLibrary,
m_xkbCommonContext.get(),
fd,
size);
BOOST_SCOPE_EXIT((&m_xkbCommonLibrary)(&successfullyCreatedKeyboard)(keymap))
{
if (!successfullyCreatedKeyboard)
m_xkbCommonLibrary.xkb_keymap_unref(keymap);
} BOOST_SCOPE_EXIT_END
m_keymap.reset(new CXKBKeymap(m_xkbCommonLibrary,
keymap));
successfullyCreatedKeyboard = true;
m_reciever.UpdateKeymap(m_keymap.get());
}
void xw::Keyboard::HandleEnter(uint32_t serial,
struct wl_surface *surface,
struct wl_array *keys)
{
m_reciever.Enter(serial, surface, keys);
}
void xw::Keyboard::HandleLeave(uint32_t serial,
struct wl_surface *surface)
{
m_reciever.Leave(serial, surface);
}
void xw::Keyboard::HandleKey(uint32_t serial,
uint32_t time,
uint32_t key,
uint32_t state)
{
m_reciever.Key(serial,
time,
key,
static_cast<enum wl_keyboard_key_state>(state));
}
void xw::Keyboard::HandleModifiers(uint32_t serial,
uint32_t mods_depressed,
uint32_t mods_latched,
uint32_t mods_locked,
uint32_t group)
{
m_reciever.Modifier(serial,
mods_depressed,
mods_latched,
mods_locked,
group);
}
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