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tdebase/twin/compton-tde/dbus.c

1196 lines
32 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 "dbus.h"
/**
* Initialize D-Bus connection.
*/
bool
cdbus_init(session_t *ps) {
DBusError err = { };
// Initialize
dbus_error_init(&err);
// Connect to D-Bus
// Use dbus_bus_get_private() so we can fully recycle it ourselves
ps->dbus_conn = dbus_bus_get_private(DBUS_BUS_SESSION, &err);
if (dbus_error_is_set(&err)) {
printf_errf("(): D-Bus connection failed (%s).", err.message);
dbus_error_free(&err);
return false;
}
if (!ps->dbus_conn) {
printf_errf("(): D-Bus connection failed for unknown reason.");
return false;
}
// Avoid exiting on disconnect
dbus_connection_set_exit_on_disconnect(ps->dbus_conn, false);
// Request service name
{
// Build service name
char *service = mstrjoin3(CDBUS_SERVICE_NAME, ".", ps->o.display_repr);
ps->dbus_service = service;
// Request for the name
int ret = dbus_bus_request_name(ps->dbus_conn, service,
DBUS_NAME_FLAG_DO_NOT_QUEUE, &err);
if (dbus_error_is_set(&err)) {
printf_errf("(): Failed to obtain D-Bus name (%s).", err.message);
dbus_error_free(&err);
}
if (DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER != ret
&& DBUS_REQUEST_NAME_REPLY_ALREADY_OWNER != ret) {
printf_errf("(): Failed to become the primary owner of requested "
"D-Bus name (%d).", ret);
}
}
// Add watch handlers
if (!dbus_connection_set_watch_functions(ps->dbus_conn,
cdbus_callback_add_watch, cdbus_callback_remove_watch,
cdbus_callback_watch_toggled, ps, NULL)) {
printf_errf("(): Failed to add D-Bus watch functions.");
return false;
}
// Add timeout handlers
if (!dbus_connection_set_timeout_functions(ps->dbus_conn,
cdbus_callback_add_timeout, cdbus_callback_remove_timeout,
cdbus_callback_timeout_toggled, ps, NULL)) {
printf_errf("(): Failed to add D-Bus timeout functions.");
return false;
}
// Add match
dbus_bus_add_match(ps->dbus_conn,
"type='method_call',interface='" CDBUS_INTERFACE_NAME "'", &err);
if (dbus_error_is_set(&err)) {
printf_errf("(): Failed to add D-Bus match.");
dbus_error_free(&err);
return false;
}
return true;
}
/**
* Destroy D-Bus connection.
*/
void
cdbus_destroy(session_t *ps) {
if (ps->dbus_conn) {
// Release DBus name firstly
if (ps->dbus_service) {
DBusError err = { };
dbus_error_init(&err);
dbus_bus_release_name(ps->dbus_conn, ps->dbus_service, &err);
if (dbus_error_is_set(&err)) {
printf_errf("(): Failed to release DBus name (%s).",
err.message);
dbus_error_free(&err);
}
}
// Close and unref the connection
dbus_connection_close(ps->dbus_conn);
dbus_connection_unref(ps->dbus_conn);
}
}
/** @name DBusTimeout handling
*/
///@{
/**
* Callback for adding D-Bus timeout.
*/
static dbus_bool_t
cdbus_callback_add_timeout(DBusTimeout *timeout, void *data) {
session_t *ps = data;
timeout_t *ptmout = timeout_insert(ps, dbus_timeout_get_interval(timeout),
cdbus_callback_handle_timeout, timeout);
if (ptmout)
dbus_timeout_set_data(timeout, ptmout, NULL);
return (bool) ptmout;
}
/**
* Callback for removing D-Bus timeout.
*/
static void
cdbus_callback_remove_timeout(DBusTimeout *timeout, void *data) {
session_t *ps = data;
timeout_t *ptmout = dbus_timeout_get_data(timeout);
assert(ptmout);
if (ptmout)
timeout_drop(ps, ptmout);
}
/**
* Callback for toggling a D-Bus timeout.
*/
static void
cdbus_callback_timeout_toggled(DBusTimeout *timeout, void *data) {
timeout_t *ptmout = dbus_timeout_get_data(timeout);
assert(ptmout);
if (ptmout) {
ptmout->enabled = dbus_timeout_get_enabled(timeout);
// Refresh interval as libdbus doc says: "Whenever a timeout is toggled,
// its interval may change."
ptmout->interval = dbus_timeout_get_interval(timeout);
}
}
/**
* Callback for handling a D-Bus timeout.
*/
static bool
cdbus_callback_handle_timeout(session_t *ps, timeout_t *ptmout) {
assert(ptmout && ptmout->data);
if (ptmout && ptmout->data)
return dbus_timeout_handle(ptmout->data);
return false;
}
///@}
/** @name DBusWatch handling
*/
///@{
/**
* Callback for adding D-Bus watch.
*/
static dbus_bool_t
cdbus_callback_add_watch(DBusWatch *watch, void *data) {
// Leave disabled watches alone
if (!dbus_watch_get_enabled(watch))
return TRUE;
session_t *ps = data;
// Insert the file descriptor
fds_insert(ps, dbus_watch_get_unix_fd(watch),
cdbus_get_watch_cond(watch));
// Always return true
return TRUE;
}
/**
* Callback for removing D-Bus watch.
*/
static void
cdbus_callback_remove_watch(DBusWatch *watch, void *data) {
session_t *ps = data;
fds_drop(ps, dbus_watch_get_unix_fd(watch),
cdbus_get_watch_cond(watch));
}
/**
* Callback for toggling D-Bus watch status.
*/
static void
cdbus_callback_watch_toggled(DBusWatch *watch, void *data) {
if (dbus_watch_get_enabled(watch)) {
cdbus_callback_add_watch(watch, data);
}
else {
cdbus_callback_remove_watch(watch, data);
}
}
///@}
/** @name Message argument appending callbacks
*/
///@{
/**
* Callback to append a bool argument to a message.
*/
static bool
cdbus_apdarg_bool(session_t *ps, DBusMessage *msg, const void *data) {
assert(data);
dbus_bool_t val = *(const bool *) data;
if (!dbus_message_append_args(msg, DBUS_TYPE_BOOLEAN, &val,
DBUS_TYPE_INVALID)) {
printf_errf("(): Failed to append argument.");
return false;
}
return true;
}
/**
* Callback to append an int32 argument to a message.
*/
static bool
cdbus_apdarg_int32(session_t *ps, DBusMessage *msg, const void *data) {
if (!dbus_message_append_args(msg, DBUS_TYPE_INT32, data,
DBUS_TYPE_INVALID)) {
printf_errf("(): Failed to append argument.");
return false;
}
return true;
}
/**
* Callback to append an uint32 argument to a message.
*/
static bool
cdbus_apdarg_uint32(session_t *ps, DBusMessage *msg, const void *data) {
if (!dbus_message_append_args(msg, DBUS_TYPE_UINT32, data,
DBUS_TYPE_INVALID)) {
printf_errf("(): Failed to append argument.");
return false;
}
return true;
}
/**
* Callback to append a double argument to a message.
*/
static bool
cdbus_apdarg_double(session_t *ps, DBusMessage *msg, const void *data) {
if (!dbus_message_append_args(msg, DBUS_TYPE_DOUBLE, data,
DBUS_TYPE_INVALID)) {
printf_errf("(): Failed to append argument.");
return false;
}
return true;
}
/**
* Callback to append a Window argument to a message.
*/
static bool
cdbus_apdarg_wid(session_t *ps, DBusMessage *msg, const void *data) {
assert(data);
cdbus_window_t val = *(const Window *)data;
if (!dbus_message_append_args(msg, CDBUS_TYPE_WINDOW, &val,
DBUS_TYPE_INVALID)) {
printf_errf("(): Failed to append argument.");
return false;
}
return true;
}
/**
* Callback to append an cdbus_enum_t argument to a message.
*/
static bool
cdbus_apdarg_enum(session_t *ps, DBusMessage *msg, const void *data) {
assert(data);
if (!dbus_message_append_args(msg, CDBUS_TYPE_ENUM, data,
DBUS_TYPE_INVALID)) {
printf_errf("(): Failed to append argument.");
return false;
}
return true;
}
/**
* Callback to append a string argument to a message.
*/
static bool
cdbus_apdarg_string(session_t *ps, DBusMessage *msg, const void *data) {
const char *str = data;
if (!str)
str = "";
if (!dbus_message_append_args(msg, DBUS_TYPE_STRING, &str,
DBUS_TYPE_INVALID)) {
printf_errf("(): Failed to append argument.");
return false;
}
return true;
}
/**
* Callback to append all window IDs to a message.
*/
static bool
cdbus_apdarg_wids(session_t *ps, DBusMessage *msg, const void *data) {
// Get the number of wids we are to include
unsigned count = 0;
for (win *w = ps->list; w; w = w->next) {
if (!w->destroyed)
++count;
}
// Allocate memory for an array of window IDs
cdbus_window_t *arr = malloc(sizeof(cdbus_window_t) * count);
if (!arr) {
printf_errf("(): Failed to allocate memory for window ID array.");
return false;
}
// Build the array
{
cdbus_window_t *pcur = arr;
for (win *w = ps->list; w; w = w->next) {
if (!w->destroyed) {
*pcur = w->id;
++pcur;
assert(pcur <= arr + count);
}
}
assert(pcur == arr + count);
}
// Append arguments
if (!dbus_message_append_args(msg, DBUS_TYPE_ARRAY, CDBUS_TYPE_WINDOW,
&arr, count, DBUS_TYPE_INVALID)) {
printf_errf("(): Failed to append argument.");
free(arr);
return false;
}
free(arr);
return true;
}
///@}
/**
* Send a D-Bus signal.
*
* @param ps current session
* @param name signal name
* @param func a function that modifies the built message, to, for example,
* add an argument
* @param data data pointer to pass to the function
*/
static bool
cdbus_signal(session_t *ps, const char *name,
bool (*func)(session_t *ps, DBusMessage *msg, const void *data),
const void *data) {
DBusMessage* msg = NULL;
// Create a signal
msg = dbus_message_new_signal(CDBUS_OBJECT_NAME, CDBUS_INTERFACE_NAME,
name);
if (!msg) {
printf_errf("(): Failed to create D-Bus signal.");
return false;
}
// Append arguments onto message
if (func && !func(ps, msg, data)) {
dbus_message_unref(msg);
return false;
}
// Send the message and flush the connection
if (!dbus_connection_send(ps->dbus_conn, msg, NULL)) {
printf_errf("(): Failed to send D-Bus signal.");
dbus_message_unref(msg);
return false;
}
dbus_connection_flush(ps->dbus_conn);
// Free the message
dbus_message_unref(msg);
return true;
}
/**
* Send a D-Bus reply.
*
* @param ps current session
* @param srcmsg original message
* @param func a function that modifies the built message, to, for example,
* add an argument
* @param data data pointer to pass to the function
*/
static bool
cdbus_reply(session_t *ps, DBusMessage *srcmsg,
bool (*func)(session_t *ps, DBusMessage *msg, const void *data),
const void *data) {
DBusMessage* msg = NULL;
// Create a reply
msg = dbus_message_new_method_return(srcmsg);
if (!msg) {
printf_errf("(): Failed to create D-Bus reply.");
return false;
}
// Append arguments onto message
if (func && !func(ps, msg, data)) {
dbus_message_unref(msg);
return false;
}
// Send the message and flush the connection
if (!dbus_connection_send(ps->dbus_conn, msg, NULL)) {
printf_errf("(): Failed to send D-Bus reply.");
dbus_message_unref(msg);
return false;
}
dbus_connection_flush(ps->dbus_conn);
// Free the message
dbus_message_unref(msg);
return true;
}
/**
* Send a D-Bus error reply.
*
* @param ps current session
* @param msg the new error DBusMessage
*/
static bool
cdbus_reply_errm(session_t *ps, DBusMessage *msg) {
if (!msg) {
printf_errf("(): Failed to create D-Bus reply.");
return false;
}
// Send the message and flush the connection
if (!dbus_connection_send(ps->dbus_conn, msg, NULL)) {
printf_errf("(): Failed to send D-Bus reply.");
dbus_message_unref(msg);
return false;
}
dbus_connection_flush(ps->dbus_conn);
// Free the message
dbus_message_unref(msg);
return true;
}
/**
* Get n-th argument of a D-Bus message.
*
* @param count the position of the argument to get, starting from 0
* @param type libdbus type number of the type
* @param pdest pointer to the target
* @return true if successful, false otherwise.
*/
static bool
cdbus_msg_get_arg(DBusMessage *msg, int count, const int type, void *pdest) {
assert(count >= 0);
DBusMessageIter iter = { };
if (!dbus_message_iter_init(msg, &iter)) {
printf_errf("(): Message has no argument.");
return false;
}
{
const int oldcount = count;
while (count) {
if (!dbus_message_iter_next(&iter)) {
printf_errf("(): Failed to find argument %d.", oldcount);
return false;
}
--count;
}
}
if (type != dbus_message_iter_get_arg_type(&iter)) {
printf_errf("(): Argument has incorrect type.");
return false;
}
dbus_message_iter_get_basic(&iter, pdest);
return true;
}
void
cdbus_loop(session_t *ps) {
dbus_connection_read_write(ps->dbus_conn, 0);
DBusMessage *msg = NULL;
while ((msg = dbus_connection_pop_message(ps->dbus_conn)))
cdbus_process(ps, msg);
}
/** @name Message processing
*/
///@{
/**
* Process a message from D-Bus.
*/
static void
cdbus_process(session_t *ps, DBusMessage *msg) {
bool success = false;
#define cdbus_m_ismethod(method) \
dbus_message_is_method_call(msg, CDBUS_INTERFACE_NAME, method)
if (cdbus_m_ismethod("reset")) {
ps->reset = true;
if (!dbus_message_get_no_reply(msg))
cdbus_reply_bool(ps, msg, true);
success = true;
}
else if (cdbus_m_ismethod("repaint")) {
force_repaint(ps);
if (!dbus_message_get_no_reply(msg))
cdbus_reply_bool(ps, msg, true);
success = true;
}
else if (cdbus_m_ismethod("list_win")) {
success = cdbus_process_list_win(ps, msg);
}
else if (cdbus_m_ismethod("win_get")) {
success = cdbus_process_win_get(ps, msg);
}
else if (cdbus_m_ismethod("win_set")) {
success = cdbus_process_win_set(ps, msg);
}
else if (cdbus_m_ismethod("find_win")) {
success = cdbus_process_find_win(ps, msg);
}
else if (cdbus_m_ismethod("opts_get")) {
success = cdbus_process_opts_get(ps, msg);
}
else if (cdbus_m_ismethod("opts_set")) {
success = cdbus_process_opts_set(ps, msg);
}
#undef cdbus_m_ismethod
else if (dbus_message_is_method_call(msg,
"org.freedesktop.DBus.Introspectable", "Introspect")) {
success = cdbus_process_introspect(ps, msg);
}
else if (dbus_message_is_method_call(msg,
"org.freedesktop.DBus.Peer", "Ping")) {
cdbus_reply(ps, msg, NULL, NULL);
success = true;
}
else if (dbus_message_is_method_call(msg,
"org.freedesktop.DBus.Peer", "GetMachineId")) {
char *uuid = dbus_get_local_machine_id();
if (uuid) {
cdbus_reply_string(ps, msg, uuid);
dbus_free(uuid);
success = true;
}
}
else if (dbus_message_is_signal(msg, "org.freedesktop.DBus", "NameAcquired")
|| dbus_message_is_signal(msg, "org.freedesktop.DBus", "NameLost")) {
success = true;
}
else {
if (DBUS_MESSAGE_TYPE_ERROR == dbus_message_get_type(msg)) {
printf_errf("(): Error message of path \"%s\" "
"interface \"%s\", member \"%s\", error \"%s\"",
dbus_message_get_path(msg), dbus_message_get_interface(msg),
dbus_message_get_member(msg), dbus_message_get_error_name(msg));
}
else {
printf_errf("(): Illegal message of type \"%s\", path \"%s\" "
"interface \"%s\", member \"%s\"",
cdbus_repr_msgtype(msg), dbus_message_get_path(msg),
dbus_message_get_interface(msg), dbus_message_get_member(msg));
}
if (DBUS_MESSAGE_TYPE_METHOD_CALL == dbus_message_get_type(msg)
&& !dbus_message_get_no_reply(msg))
cdbus_reply_err(ps, msg, CDBUS_ERROR_BADMSG, CDBUS_ERROR_BADMSG_S);
success = true;
}
// If the message could not be processed, and an reply is expected, return
// an empty reply.
if (!success && DBUS_MESSAGE_TYPE_METHOD_CALL == dbus_message_get_type(msg)
&& !dbus_message_get_no_reply(msg))
cdbus_reply_err(ps, msg, CDBUS_ERROR_UNKNOWN, CDBUS_ERROR_UNKNOWN_S);
// Free the message
dbus_message_unref(msg);
}
/**
* Process a list_win D-Bus request.
*/
static bool
cdbus_process_list_win(session_t *ps, DBusMessage *msg) {
cdbus_reply(ps, msg, cdbus_apdarg_wids, NULL);
return true;
}
/**
* Process a win_get D-Bus request.
*/
static bool
cdbus_process_win_get(session_t *ps, DBusMessage *msg) {
cdbus_window_t wid = None;
const char *target = NULL;
DBusError err = { };
if (!dbus_message_get_args(msg, &err,
CDBUS_TYPE_WINDOW, &wid,
DBUS_TYPE_STRING, &target,
DBUS_TYPE_INVALID)) {
printf_errf("(): Failed to parse argument of \"win_get\" (%s).",
err.message);
dbus_error_free(&err);
return false;
}
win *w = find_win(ps, wid);
if (!w) {
printf_errf("(): Window %#010x not found.", wid);
cdbus_reply_err(ps, msg, CDBUS_ERROR_BADWIN, CDBUS_ERROR_BADWIN_S, wid);
return true;
}
#define cdbus_m_win_get_do(tgt, apdarg_func) \
if (!strcmp(MSTR(tgt), target)) { \
apdarg_func(ps, msg, w->tgt); \
return true; \
}
cdbus_m_win_get_do(id, cdbus_reply_wid);
// next
if (!strcmp("next", target)) {
cdbus_reply_wid(ps, msg, (w->next ? w->next->id: 0));
return true;
}
// map_state
if (!strcmp("map_state", target)) {
cdbus_reply_bool(ps, msg, w->a.map_state);
return true;
}
cdbus_m_win_get_do(mode, cdbus_reply_enum);
cdbus_m_win_get_do(client_win, cdbus_reply_wid);
cdbus_m_win_get_do(damaged, cdbus_reply_bool);
cdbus_m_win_get_do(destroyed, cdbus_reply_bool);
cdbus_m_win_get_do(window_type, cdbus_reply_enum);
cdbus_m_win_get_do(wmwin, cdbus_reply_bool);
cdbus_m_win_get_do(leader, cdbus_reply_wid);
// focused_real
if (!strcmp("focused_real", target)) {
cdbus_reply_bool(ps, msg, win_is_focused_real(ps, w));
return true;
}
cdbus_m_win_get_do(fade_force, cdbus_reply_enum);
cdbus_m_win_get_do(shadow_force, cdbus_reply_enum);
cdbus_m_win_get_do(focused_force, cdbus_reply_enum);
cdbus_m_win_get_do(invert_color_force, cdbus_reply_enum);
cdbus_m_win_get_do(name, cdbus_reply_string);
cdbus_m_win_get_do(class_instance, cdbus_reply_string);
cdbus_m_win_get_do(class_general, cdbus_reply_string);
cdbus_m_win_get_do(role, cdbus_reply_string);
cdbus_m_win_get_do(opacity, cdbus_reply_uint32);
cdbus_m_win_get_do(opacity_tgt, cdbus_reply_uint32);
cdbus_m_win_get_do(opacity_prop, cdbus_reply_uint32);
cdbus_m_win_get_do(opacity_prop_client, cdbus_reply_uint32);
cdbus_m_win_get_do(opacity_set, cdbus_reply_uint32);
cdbus_m_win_get_do(frame_opacity, cdbus_reply_double);
cdbus_m_win_get_do(left_width, cdbus_reply_uint32);
cdbus_m_win_get_do(right_width, cdbus_reply_uint32);
cdbus_m_win_get_do(top_width, cdbus_reply_uint32);
cdbus_m_win_get_do(bottom_width, cdbus_reply_uint32);
cdbus_m_win_get_do(shadow, cdbus_reply_bool);
cdbus_m_win_get_do(fade, cdbus_reply_bool);
cdbus_m_win_get_do(invert_color, cdbus_reply_bool);
cdbus_m_win_get_do(blur_background, cdbus_reply_bool);
#undef cdbus_m_win_get_do
printf_errf("(): " CDBUS_ERROR_BADTGT_S, target);
cdbus_reply_err(ps, msg, CDBUS_ERROR_BADTGT, CDBUS_ERROR_BADTGT_S, target);
return true;
}
/**
* Process a win_set D-Bus request.
*/
static bool
cdbus_process_win_set(session_t *ps, DBusMessage *msg) {
cdbus_window_t wid = None;
const char *target = NULL;
DBusError err = { };
if (!dbus_message_get_args(msg, &err,
CDBUS_TYPE_WINDOW, &wid,
DBUS_TYPE_STRING, &target,
DBUS_TYPE_INVALID)) {
printf_errf("(): Failed to parse argument of \"win_set\" (%s).",
err.message);
dbus_error_free(&err);
return false;
}
win *w = find_win(ps, wid);
if (!w) {
printf_errf("(): Window %#010x not found.", wid);
cdbus_reply_err(ps, msg, CDBUS_ERROR_BADWIN, CDBUS_ERROR_BADWIN_S, wid);
return true;
}
#define cdbus_m_win_set_do(tgt, type, real_type) \
if (!strcmp(MSTR(tgt), target)) { \
real_type val; \
if (!cdbus_msg_get_arg(msg, 2, type, &val)) \
return false; \
w->tgt = val; \
goto cdbus_process_win_set_success; \
}
if (!strcmp("shadow_force", target)) {
cdbus_enum_t val = UNSET;
if (!cdbus_msg_get_arg(msg, 2, CDBUS_TYPE_ENUM, &val))
return false;
win_set_shadow_force(ps, w, val);
goto cdbus_process_win_set_success;
}
if (!strcmp("fade_force", target)) {
cdbus_enum_t val = UNSET;
if (!cdbus_msg_get_arg(msg, 2, CDBUS_TYPE_ENUM, &val))
return false;
win_set_fade_force(ps, w, val);
goto cdbus_process_win_set_success;
}
if (!strcmp("focused_force", target)) {
cdbus_enum_t val = UNSET;
if (!cdbus_msg_get_arg(msg, 2, CDBUS_TYPE_ENUM, &val))
return false;
win_set_focused_force(ps, w, val);
goto cdbus_process_win_set_success;
}
if (!strcmp("invert_color_force", target)) {
cdbus_enum_t val = UNSET;
if (!cdbus_msg_get_arg(msg, 2, CDBUS_TYPE_ENUM, &val))
return false;
win_set_invert_color_force(ps, w, val);
goto cdbus_process_win_set_success;
}
#undef cdbus_m_win_set_do
printf_errf("(): " CDBUS_ERROR_BADTGT_S, target);
cdbus_reply_err(ps, msg, CDBUS_ERROR_BADTGT, CDBUS_ERROR_BADTGT_S, target);
return true;
cdbus_process_win_set_success:
if (!dbus_message_get_no_reply(msg))
cdbus_reply_bool(ps, msg, true);
return true;
}
/**
* Process a find_win D-Bus request.
*/
static bool
cdbus_process_find_win(session_t *ps, DBusMessage *msg) {
const char *target = NULL;
if (!cdbus_msg_get_arg(msg, 0, DBUS_TYPE_STRING, &target))
return false;
Window wid = None;
// Find window by client window
if (!strcmp("client", target)) {
cdbus_window_t client = None;
if (!cdbus_msg_get_arg(msg, 1, CDBUS_TYPE_WINDOW, &client))
return false;
win *w = find_toplevel(ps, client);
if (w)
wid = w->id;
}
// Find focused window
else if (!strcmp("focused", target)) {
win *w = find_focused(ps);
if (w)
wid = w->id;
}
else {
printf_errf("(): " CDBUS_ERROR_BADTGT_S, target);
cdbus_reply_err(ps, msg, CDBUS_ERROR_BADTGT, CDBUS_ERROR_BADTGT_S, target);
return true;
}
cdbus_reply_wid(ps, msg, wid);
return true;
}
/**
* Process a opts_get D-Bus request.
*/
static bool
cdbus_process_opts_get(session_t *ps, DBusMessage *msg) {
const char *target = NULL;
if (!cdbus_msg_get_arg(msg, 0, DBUS_TYPE_STRING, &target))
return false;
#define cdbus_m_opts_get_do(tgt, apdarg_func) \
if (!strcmp(MSTR(tgt), target)) { \
apdarg_func(ps, msg, ps->o.tgt); \
return true; \
}
// version
if (!strcmp("version", target)) {
cdbus_reply_string(ps, msg, COMPTON_VERSION);
return true;
}
// pid
if (!strcmp("pid", target)) {
cdbus_reply_int32(ps, msg, getpid());
return true;
}
// display
if (!strcmp("display", target)) {
cdbus_reply_string(ps, msg, DisplayString(ps->dpy));
return true;
}
cdbus_m_opts_get_do(config_file, cdbus_reply_string);
cdbus_m_opts_get_do(display_repr, cdbus_reply_string);
cdbus_m_opts_get_do(write_pid_path, cdbus_reply_string);
cdbus_m_opts_get_do(mark_wmwin_focused, cdbus_reply_bool);
cdbus_m_opts_get_do(mark_ovredir_focused, cdbus_reply_bool);
cdbus_m_opts_get_do(fork_after_register, cdbus_reply_bool);
cdbus_m_opts_get_do(detect_rounded_corners, cdbus_reply_bool);
cdbus_m_opts_get_do(paint_on_overlay, cdbus_reply_bool);
cdbus_m_opts_get_do(unredir_if_possible, cdbus_reply_bool);
cdbus_m_opts_get_do(unredir_if_possible_delay, cdbus_reply_int32);
cdbus_m_opts_get_do(redirected_force, cdbus_reply_enum);
cdbus_m_opts_get_do(stoppaint_force, cdbus_reply_enum);
cdbus_m_opts_get_do(logpath, cdbus_reply_string);
cdbus_m_opts_get_do(synchronize, cdbus_reply_bool);
cdbus_m_opts_get_do(refresh_rate, cdbus_reply_int32);
cdbus_m_opts_get_do(sw_opti, cdbus_reply_bool);
if (!strcmp("vsync", target)) {
assert(ps->o.vsync < sizeof(VSYNC_STRS) / sizeof(VSYNC_STRS[0]));
cdbus_reply_string(ps, msg, VSYNC_STRS[ps->o.vsync]);
return true;
}
if (!strcmp("backend", target)) {
assert(ps->o.backend < sizeof(BACKEND_STRS) / sizeof(BACKEND_STRS[0]));
cdbus_reply_string(ps, msg, BACKEND_STRS[ps->o.backend]);
return true;
}
cdbus_m_opts_get_do(dbe, cdbus_reply_bool);
cdbus_m_opts_get_do(vsync_aggressive, cdbus_reply_bool);
cdbus_m_opts_get_do(shadow_red, cdbus_reply_double);
cdbus_m_opts_get_do(shadow_green, cdbus_reply_double);
cdbus_m_opts_get_do(shadow_blue, cdbus_reply_double);
cdbus_m_opts_get_do(shadow_radius, cdbus_reply_int32);
cdbus_m_opts_get_do(shadow_offset_x, cdbus_reply_int32);
cdbus_m_opts_get_do(shadow_offset_y, cdbus_reply_int32);
cdbus_m_opts_get_do(shadow_opacity, cdbus_reply_double);
cdbus_m_opts_get_do(clear_shadow, cdbus_reply_bool);
cdbus_m_opts_get_do(xinerama_shadow_crop, cdbus_reply_bool);
cdbus_m_opts_get_do(fade_delta, cdbus_reply_int32);
cdbus_m_opts_get_do(fade_in_step, cdbus_reply_int32);
cdbus_m_opts_get_do(fade_out_step, cdbus_reply_int32);
cdbus_m_opts_get_do(no_fading_openclose, cdbus_reply_bool);
cdbus_m_opts_get_do(blur_background, cdbus_reply_bool);
cdbus_m_opts_get_do(blur_background_frame, cdbus_reply_bool);
cdbus_m_opts_get_do(blur_background_fixed, cdbus_reply_bool);
cdbus_m_opts_get_do(inactive_dim, cdbus_reply_double);
cdbus_m_opts_get_do(inactive_dim_fixed, cdbus_reply_bool);
cdbus_m_opts_get_do(use_ewmh_active_win, cdbus_reply_bool);
cdbus_m_opts_get_do(detect_transient, cdbus_reply_bool);
cdbus_m_opts_get_do(detect_client_leader, cdbus_reply_bool);
#ifdef CONFIG_VSYNC_OPENGL
cdbus_m_opts_get_do(glx_no_stencil, cdbus_reply_bool);
cdbus_m_opts_get_do(glx_copy_from_front, cdbus_reply_bool);
cdbus_m_opts_get_do(glx_use_copysubbuffermesa, cdbus_reply_bool);
cdbus_m_opts_get_do(glx_no_rebind_pixmap, cdbus_reply_bool);
cdbus_m_opts_get_do(glx_swap_method, cdbus_reply_int32);
#endif
cdbus_m_opts_get_do(track_focus, cdbus_reply_bool);
cdbus_m_opts_get_do(track_wdata, cdbus_reply_bool);
cdbus_m_opts_get_do(track_leader, cdbus_reply_bool);
#undef cdbus_m_opts_get_do
printf_errf("(): " CDBUS_ERROR_BADTGT_S, target);
cdbus_reply_err(ps, msg, CDBUS_ERROR_BADTGT, CDBUS_ERROR_BADTGT_S, target);
return true;
}
/**
* Process a opts_set D-Bus request.
*/
static bool
cdbus_process_opts_set(session_t *ps, DBusMessage *msg) {
const char *target = NULL;
if (!cdbus_msg_get_arg(msg, 0, DBUS_TYPE_STRING, &target))
return false;
#define cdbus_m_opts_set_do(tgt, type, real_type) \
if (!strcmp(MSTR(tgt), target)) { \
real_type val; \
if (!cdbus_msg_get_arg(msg, 1, type, &val)) \
return false; \
ps->o.tgt = val; \
goto cdbus_process_opts_set_success; \
}
// fade_delta
if (!strcmp("fade_delta", target)) {
int32_t val = 0.0;
if (!cdbus_msg_get_arg(msg, 1, DBUS_TYPE_INT32, &val))
return false;
ps->o.fade_delta = max_i(val, 1);
goto cdbus_process_opts_set_success;
}
// fade_in_step
if (!strcmp("fade_in_step", target)) {
double val = 0.0;
if (!cdbus_msg_get_arg(msg, 1, DBUS_TYPE_DOUBLE, &val))
return false;
ps->o.fade_in_step = normalize_d(val) * OPAQUE;
goto cdbus_process_opts_set_success;
}
// fade_out_step
if (!strcmp("fade_out_step", target)) {
double val = 0.0;
if (!cdbus_msg_get_arg(msg, 1, DBUS_TYPE_DOUBLE, &val))
return false;
ps->o.fade_out_step = normalize_d(val) * OPAQUE;
goto cdbus_process_opts_set_success;
}
// no_fading_openclose
if (!strcmp("no_fading_openclose", target)) {
dbus_bool_t val = FALSE;
if (!cdbus_msg_get_arg(msg, 1, DBUS_TYPE_BOOLEAN, &val))
return false;
opts_set_no_fading_openclose(ps, val);
goto cdbus_process_opts_set_success;
}
// unredir_if_possible
if (!strcmp("unredir_if_possible", target)) {
dbus_bool_t val = FALSE;
if (!cdbus_msg_get_arg(msg, 1, DBUS_TYPE_BOOLEAN, &val))
return false;
if (ps->o.unredir_if_possible != val) {
ps->o.unredir_if_possible = val;
ps->ev_received = true;
}
goto cdbus_process_opts_set_success;
}
// clear_shadow
if (!strcmp("clear_shadow", target)) {
dbus_bool_t val = FALSE;
if (!cdbus_msg_get_arg(msg, 1, DBUS_TYPE_BOOLEAN, &val))
return false;
if (ps->o.clear_shadow != val) {
ps->o.clear_shadow = val;
force_repaint(ps);
}
goto cdbus_process_opts_set_success;
}
// track_focus
if (!strcmp("track_focus", target)) {
dbus_bool_t val = FALSE;
if (!cdbus_msg_get_arg(msg, 1, DBUS_TYPE_BOOLEAN, &val))
return false;
// You could enable this option, but never turn if off
if (val) {
opts_init_track_focus(ps);
}
goto cdbus_process_opts_set_success;
}
// vsync
if (!strcmp("vsync", target)) {
const char * val = NULL;
if (!cdbus_msg_get_arg(msg, 1, DBUS_TYPE_STRING, &val))
return false;
vsync_deinit(ps);
if (!parse_vsync(ps, val)) {
printf_errf("(): " CDBUS_ERROR_BADARG_S, 1, "Value invalid.");
cdbus_reply_err(ps, msg, CDBUS_ERROR_BADARG, CDBUS_ERROR_BADARG_S, 1, "Value invalid.");
}
else if (!vsync_init(ps)) {
printf_errf("(): " CDBUS_ERROR_CUSTOM_S, "Failed to initialize specified VSync method.");
cdbus_reply_err(ps, msg, CDBUS_ERROR_CUSTOM, CDBUS_ERROR_CUSTOM_S, "Failed to initialize specified VSync method.");
}
else
goto cdbus_process_opts_set_success;
return true;
}
// redirected_force
if (!strcmp("redirected_force", target)) {
cdbus_enum_t val = UNSET;
if (!cdbus_msg_get_arg(msg, 1, CDBUS_TYPE_ENUM, &val))
return false;
ps->o.redirected_force = val;
force_repaint(ps);
goto cdbus_process_opts_set_success;
}
// stoppaint_force
cdbus_m_opts_set_do(stoppaint_force, CDBUS_TYPE_ENUM, cdbus_enum_t);
#undef cdbus_m_opts_set_do
printf_errf("(): " CDBUS_ERROR_BADTGT_S, target);
cdbus_reply_err(ps, msg, CDBUS_ERROR_BADTGT, CDBUS_ERROR_BADTGT_S, target);
return true;
cdbus_process_opts_set_success:
if (!dbus_message_get_no_reply(msg))
cdbus_reply_bool(ps, msg, true);
return true;
}
/**
* Process an Introspect D-Bus request.
*/
static bool
cdbus_process_introspect(session_t *ps, DBusMessage *msg) {
const static char *str_introspect =
"<!DOCTYPE node PUBLIC \"-//freedesktop//DTD D-BUS Object Introspection 1.0//EN\"\n"
" \"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd\">\n"
"<node name='" CDBUS_OBJECT_NAME "'>\n"
" <interface name='org.freedesktop.DBus.Introspectable'>\n"
" <method name='Introspect'>\n"
" <arg name='data' direction='out' type='s' />\n"
" </method>\n"
" </interface>\n"
" <interface name='org.freedesktop.DBus.Peer'>\n"
" <method name='Ping' />\n"
" <method name='GetMachineId'>\n"
" <arg name='machine_uuid' direction='out' type='s' />\n"
" </method>\n"
" </interface>\n"
" <interface name='" CDBUS_INTERFACE_NAME "'>\n"
" <signal name='win_added'>\n"
" <arg name='wid' type='" CDBUS_TYPE_WINDOW_STR "'/>\n"
" </signal>\n"
" <signal name='win_destroyed'>\n"
" <arg name='wid' type='" CDBUS_TYPE_WINDOW_STR "'/>\n"
" </signal>\n"
" <signal name='win_mapped'>\n"
" <arg name='wid' type='" CDBUS_TYPE_WINDOW_STR "'/>\n"
" </signal>\n"
" <signal name='win_unmapped'>\n"
" <arg name='wid' type='" CDBUS_TYPE_WINDOW_STR "'/>\n"
" </signal>\n"
" <signal name='win_focusin'>\n"
" <arg name='wid' type='" CDBUS_TYPE_WINDOW_STR "'/>\n"
" </signal>\n"
" <signal name='win_focusout'>\n"
" <arg name='wid' type='" CDBUS_TYPE_WINDOW_STR "'/>\n"
" </signal>\n"
" <method name='reset' />\n"
" <method name='repaint' />\n"
" </interface>\n"
"</node>\n";
cdbus_reply_string(ps, msg, str_introspect);
return true;
}
///@}
/** @name Core callbacks
*/
///@{
void
cdbus_ev_win_added(session_t *ps, win *w) {
if (ps->dbus_conn)
cdbus_signal_wid(ps, "win_added", w->id);
}
void
cdbus_ev_win_destroyed(session_t *ps, win *w) {
if (ps->dbus_conn)
cdbus_signal_wid(ps, "win_destroyed", w->id);
}
void
cdbus_ev_win_mapped(session_t *ps, win *w) {
if (ps->dbus_conn)
cdbus_signal_wid(ps, "win_mapped", w->id);
}
void
cdbus_ev_win_unmapped(session_t *ps, win *w) {
if (ps->dbus_conn)
cdbus_signal_wid(ps, "win_unmapped", w->id);
}
void
cdbus_ev_win_focusout(session_t *ps, win *w) {
if (ps->dbus_conn)
cdbus_signal_wid(ps, "win_focusout", w->id);
}
void
cdbus_ev_win_focusin(session_t *ps, win *w) {
if (ps->dbus_conn)
cdbus_signal_wid(ps, "win_focusin", w->id);
}
//!@}