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tdebase/dbus.h

253 lines
6.6 KiB

/*
* Compton - a compositor for X11
*
* Based on `xcompmgr` - Copyright (c) 2003, Keith Packard
*
* Copyright (c) 2011-2013, Christopher Jeffrey
* See LICENSE for more information.
*
*/
#include "common.h"
#include <ctype.h>
#include <sys/types.h>
#include <unistd.h>
#define CDBUS_SERVICE_NAME "com.github.chjj.compton"
#define CDBUS_INTERFACE_NAME CDBUS_SERVICE_NAME
#define CDBUS_OBJECT_NAME "/com/github/chjj/compton"
#define CDBUS_ERROR_PREFIX CDBUS_INTERFACE_NAME ".error"
#define CDBUS_ERROR_UNKNOWN CDBUS_ERROR_PREFIX ".unknown"
#define CDBUS_ERROR_UNKNOWN_S "Well, I don't know what happened. Do you?"
#define CDBUS_ERROR_BADMSG CDBUS_ERROR_PREFIX ".bad_message"
#define CDBUS_ERROR_BADMSG_S "Unrecognized command. Beware compton " \
"cannot make you a sandwich."
#define CDBUS_ERROR_BADARG CDBUS_ERROR_PREFIX ".bad_argument"
#define CDBUS_ERROR_BADARG_S "Failed to parse argument %d: %s"
#define CDBUS_ERROR_BADWIN CDBUS_ERROR_PREFIX ".bad_window"
#define CDBUS_ERROR_BADWIN_S "Requested window %#010lx not found."
#define CDBUS_ERROR_BADTGT CDBUS_ERROR_PREFIX ".bad_target"
#define CDBUS_ERROR_BADTGT_S "Target \"%s\" not found."
#define CDBUS_ERROR_FORBIDDEN CDBUS_ERROR_PREFIX ".forbidden"
#define CDBUS_ERROR_FORBIDDEN_S "Incorrect password, access denied."
#define CDBUS_ERROR_CUSTOM CDBUS_ERROR_PREFIX ".custom"
#define CDBUS_ERROR_CUSTOM_S "%s"
// Window type
typedef uint32_t cdbus_window_t;
#define CDBUS_TYPE_WINDOW DBUS_TYPE_UINT32
#define CDBUS_TYPE_WINDOW_STR DBUS_TYPE_UINT32_AS_STRING
typedef uint16_t cdbus_enum_t;
#define CDBUS_TYPE_ENUM DBUS_TYPE_UINT16
#define CDBUS_TYPE_ENUM_STR DBUS_TYPE_UINT16_AS_STRING
static dbus_bool_t
cdbus_callback_add_timeout(DBusTimeout *timeout, void *data);
static void
cdbus_callback_remove_timeout(DBusTimeout *timeout, void *data);
static void
cdbus_callback_timeout_toggled(DBusTimeout *timeout, void *data);
static bool
cdbus_callback_handle_timeout(session_t *ps, timeout_t *ptmout);
/**
* Determine the poll condition of a DBusWatch.
*/
static inline short
cdbus_get_watch_cond(DBusWatch *watch) {
const unsigned flags = dbus_watch_get_flags(watch);
short condition = POLLERR | POLLHUP;
if (flags & DBUS_WATCH_READABLE)
condition |= POLLIN;
if (flags & DBUS_WATCH_WRITABLE)
condition |= POLLOUT;
return condition;
}
static dbus_bool_t
cdbus_callback_add_watch(DBusWatch *watch, void *data);
static void
cdbus_callback_remove_watch(DBusWatch *watch, void *data);
static void
cdbus_callback_watch_toggled(DBusWatch *watch, void *data);
static bool
cdbus_apdarg_bool(session_t *ps, DBusMessage *msg, const void *data);
static bool
cdbus_apdarg_int32(session_t *ps, DBusMessage *msg, const void *data);
static bool
cdbus_apdarg_uint32(session_t *ps, DBusMessage *msg, const void *data);
static bool
cdbus_apdarg_double(session_t *ps, DBusMessage *msg, const void *data);
static bool
cdbus_apdarg_wid(session_t *ps, DBusMessage *msg, const void *data);
static bool
cdbus_apdarg_enum(session_t *ps, DBusMessage *msg, const void *data);
static bool
cdbus_apdarg_string(session_t *ps, DBusMessage *msg, const void *data);
static bool
cdbus_apdarg_wids(session_t *ps, DBusMessage *msg, const void *data);
/** @name DBus signal sending
*/
///@{
static bool
cdbus_signal(session_t *ps, const char *name,
bool (*func)(session_t *ps, DBusMessage *msg, const void *data),
const void *data);
/**
* Send a signal with no argument.
*/
static inline bool
cdbus_signal_noarg(session_t *ps, const char *name) {
return cdbus_signal(ps, name, NULL, NULL);
}
/**
* Send a signal with a Window ID as argument.
*/
static inline bool
cdbus_signal_wid(session_t *ps, const char *name, Window wid) {
return cdbus_signal(ps, name, cdbus_apdarg_wid, &wid);
}
///@}
/** @name DBus reply sending
*/
///@{
static bool
cdbus_reply(session_t *ps, DBusMessage *srcmsg,
bool (*func)(session_t *ps, DBusMessage *msg, const void *data),
const void *data);
static bool
cdbus_reply_errm(session_t *ps, DBusMessage *msg);
#define cdbus_reply_err(ps, srcmsg, err_name, err_format, ...) \
cdbus_reply_errm((ps), dbus_message_new_error_printf((srcmsg), (err_name), (err_format), ## __VA_ARGS__))
/**
* Send a reply with no argument.
*/
static inline bool
cdbus_reply_noarg(session_t *ps, DBusMessage *srcmsg) {
return cdbus_reply(ps, srcmsg, NULL, NULL);
}
/**
* Send a reply with a bool argument.
*/
static inline bool
cdbus_reply_bool(session_t *ps, DBusMessage *srcmsg, bool bval) {
return cdbus_reply(ps, srcmsg, cdbus_apdarg_bool, &bval);
}
/**
* Send a reply with an int32 argument.
*/
static inline bool
cdbus_reply_int32(session_t *ps, DBusMessage *srcmsg, int32_t val) {
return cdbus_reply(ps, srcmsg, cdbus_apdarg_int32, &val);
}
/**
* Send a reply with an uint32 argument.
*/
static inline bool
cdbus_reply_uint32(session_t *ps, DBusMessage *srcmsg, uint32_t val) {
return cdbus_reply(ps, srcmsg, cdbus_apdarg_uint32, &val);
}
/**
* Send a reply with a double argument.
*/
static inline bool
cdbus_reply_double(session_t *ps, DBusMessage *srcmsg, double val) {
return cdbus_reply(ps, srcmsg, cdbus_apdarg_double, &val);
}
/**
* Send a reply with a wid argument.
*/
static inline bool
cdbus_reply_wid(session_t *ps, DBusMessage *srcmsg, Window wid) {
return cdbus_reply(ps, srcmsg, cdbus_apdarg_wid, &wid);
}
/**
* Send a reply with a string argument.
*/
static inline bool
cdbus_reply_string(session_t *ps, DBusMessage *srcmsg, const char *str) {
return cdbus_reply(ps, srcmsg, cdbus_apdarg_string, str);
}
/**
* Send a reply with a enum argument.
*/
static inline bool
cdbus_reply_enum(session_t *ps, DBusMessage *srcmsg, cdbus_enum_t eval) {
return cdbus_reply(ps, srcmsg, cdbus_apdarg_enum, &eval);
}
///@}
static bool
cdbus_msg_get_arg(DBusMessage *msg, int count, const int type, void *pdest);
/**
* Return a string representation of a D-Bus message type.
*/
static inline const char *
cdbus_repr_msgtype(DBusMessage *msg) {
return dbus_message_type_to_string(dbus_message_get_type(msg));
}
/** @name Message processing
*/
///@{
static void
cdbus_process(session_t *ps, DBusMessage *msg);
static bool
cdbus_process_list_win(session_t *ps, DBusMessage *msg);
static bool
cdbus_process_win_get(session_t *ps, DBusMessage *msg);
static bool
cdbus_process_win_set(session_t *ps, DBusMessage *msg);
static bool
cdbus_process_find_win(session_t *ps, DBusMessage *msg);
static bool
cdbus_process_opts_get(session_t *ps, DBusMessage *msg);
static bool
cdbus_process_opts_set(session_t *ps, DBusMessage *msg);
static bool
cdbus_process_introspect(session_t *ps, DBusMessage *msg);
///@}