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