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libratbag/ratbagd/ratbagd-button.c
Benjamin Tissoires 79f4b9c0d6 tools: add ratbagctl.devel to launch both ratbagd and ratbagctl 
When developing with ratbagd, we need to test against master, not
the system-wide installed daemon.

Allow to name space ratbagd with the creation of a new (not installed)
rabtagd.devel daemon, that is tagged with the git sha of the ratbagd
folder.

Handle this namespace in ratbagctl by looking at an environment variable
RATBAGCTL_DEVEL.

Then provide a python script that launches both rabtagd.devel and
ratbagctl with the correct environment variable set so that they can
talk to each other.

Note that we blindly overwrite the dbus .conf file as nobody else than
developers should have one.

Note: the tagging of ratbagd.devel (like the meson bit) won't run unless
a rebuild is triggered. So we don't necessarily always get the right git
tag. However, touching ratbagctl.in triggers a rebuild, so we should be
OK-ish.

Fixes #206

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
2017-07-07 16:02:46 +10:00

568 lines
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/***
This file is part of ratbagd.
Copyright 2016 Red Hat, Inc.
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice (including the next
paragraph) shall be included in all copies or substantial portions of the
Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
***/
#include "config.h"
#include <assert.h>
#include <errno.h>
#include <libratbag.h>
#include <libudev.h>
#include <stdio.h>
#include <stdlib.h>
#include <systemd/sd-bus.h>
#include <systemd/sd-event.h>
#include <linux/input.h>
#include "ratbagd.h"
#include "shared-macro.h"
struct ratbagd_button {
struct ratbag_button *lib_button;
unsigned int index;
char *path;
};
static int ratbagd_button_get_type(sd_bus *bus,
const char *path,
const char *interface,
const char *property,
sd_bus_message *reply,
void *userdata,
sd_bus_error *error)
{
struct ratbagd_button *button = userdata;
const char *type = NULL;
enum ratbag_button_type t;
t = ratbag_button_get_type(button->lib_button);
switch(t) {
default:
log_error("Unknown button type %d\n", t);
/* fallthrough */
case RATBAG_BUTTON_TYPE_UNKNOWN:
type = "unknown";
break;
case RATBAG_BUTTON_TYPE_LEFT:
type = "left";
break;
case RATBAG_BUTTON_TYPE_MIDDLE:
type = "middle";
break;
case RATBAG_BUTTON_TYPE_RIGHT:
type = "right";
break;
case RATBAG_BUTTON_TYPE_THUMB:
type = "thumb";
break;
case RATBAG_BUTTON_TYPE_THUMB2:
type = "thumb2";
break;
case RATBAG_BUTTON_TYPE_THUMB3:
type = "thumb3";
break;
case RATBAG_BUTTON_TYPE_THUMB4:
type = "thumb4";
break;
case RATBAG_BUTTON_TYPE_WHEEL_LEFT:
type = "wheel-left";
break;
case RATBAG_BUTTON_TYPE_WHEEL_RIGHT:
type = "wheel-right";
break;
case RATBAG_BUTTON_TYPE_WHEEL_CLICK:
type = "wheel-click";
break;
case RATBAG_BUTTON_TYPE_WHEEL_UP:
type = "wheel-up";
break;
case RATBAG_BUTTON_TYPE_WHEEL_DOWN:
type = "wheel-down";
break;
case RATBAG_BUTTON_TYPE_WHEEL_RATCHET_MODE_SHIFT:
type = "wheel-ratchet_mode_shift";
break;
case RATBAG_BUTTON_TYPE_EXTRA:
type = "extra";
break;
case RATBAG_BUTTON_TYPE_SIDE:
type = "side";
break;
case RATBAG_BUTTON_TYPE_PINKIE:
type = "pinkie";
break;
case RATBAG_BUTTON_TYPE_PINKIE2:
type = "pinkie2";
break;
case RATBAG_BUTTON_TYPE_RESOLUTION_CYCLE_UP:
type = "resolution-cycle-up";
break;
case RATBAG_BUTTON_TYPE_RESOLUTION_UP:
type = "resolution-up";
break;
case RATBAG_BUTTON_TYPE_RESOLUTION_DOWN:
type = "resolution-down";
break;
case RATBAG_BUTTON_TYPE_PROFILE_CYCLE_UP:
type = "profile-cycle-up";
break;
case RATBAG_BUTTON_TYPE_PROFILE_UP:
type = "profile-up";
break;
case RATBAG_BUTTON_TYPE_PROFILE_DOWN:
type = "profile-down";
break;
}
return sd_bus_message_append(reply, "s", type);
}
static int ratbagd_button_get_button(sd_bus *bus,
const char *path,
const char *interface,
const char *property,
sd_bus_message *reply,
void *userdata,
sd_bus_error *error)
{
struct ratbagd_button *button = userdata;
unsigned int b;
b = ratbag_button_get_button(button->lib_button);
return sd_bus_message_append(reply, "u", b);
}
static int ratbagd_button_set_button(sd_bus_message *m,
void *userdata,
sd_bus_error *error)
{
struct ratbagd_button *button = userdata;
unsigned int map;
int r;
r = sd_bus_message_read(m, "u", &map);
if (r < 0)
return r;
if (map == 0 || map > 30)
return 0;
r = ratbag_button_set_button(button->lib_button, map);
if (r == 0) {
sd_bus *bus = sd_bus_message_get_bus(m);
sd_bus_emit_properties_changed(bus,
button->path,
RATBAGD_NAME_ROOT ".Button",
"ButtonMapping",
NULL);
}
return sd_bus_reply_method_return(m, "u", r);
}
static int ratbagd_button_get_special(sd_bus *bus,
const char *path,
const char *interface,
const char *property,
sd_bus_message *reply,
void *userdata,
sd_bus_error *error)
{
struct ratbagd_button *button = userdata;
const char *type;
enum ratbag_button_action_special special;
special = ratbag_button_get_special(button->lib_button);
switch(special) {
default:
log_error("Unknown special type %d\n", special);
/* fallthrough */
case RATBAG_BUTTON_ACTION_SPECIAL_UNKNOWN:
type = "unknown";
break;
case RATBAG_BUTTON_ACTION_SPECIAL_INVALID:
type = "n/a";
break;
case RATBAG_BUTTON_ACTION_SPECIAL_DOUBLECLICK:
type = "doubleclick";
break;
case RATBAG_BUTTON_ACTION_SPECIAL_WHEEL_LEFT:
type = "wheel-left";
break;
case RATBAG_BUTTON_ACTION_SPECIAL_WHEEL_RIGHT:
type = "wheel-right";
break;
case RATBAG_BUTTON_ACTION_SPECIAL_WHEEL_UP:
type = "wheel-up";
break;
case RATBAG_BUTTON_ACTION_SPECIAL_WHEEL_DOWN:
type = "wheel-down";
break;
case RATBAG_BUTTON_ACTION_SPECIAL_RATCHET_MODE_SWITCH:
type = "ratchet-mode-switch";
break;
case RATBAG_BUTTON_ACTION_SPECIAL_RESOLUTION_CYCLE_UP:
type = "resolution-cycle-up";
break;
case RATBAG_BUTTON_ACTION_SPECIAL_RESOLUTION_UP:
type = "resolution-up";
break;
case RATBAG_BUTTON_ACTION_SPECIAL_RESOLUTION_DOWN:
type = "resolution-down";
break;
case RATBAG_BUTTON_ACTION_SPECIAL_RESOLUTION_ALTERNATE:
type = "resolution-alternate";
break;
case RATBAG_BUTTON_ACTION_SPECIAL_RESOLUTION_DEFAULT:
type = "resolution-default";
break;
case RATBAG_BUTTON_ACTION_SPECIAL_PROFILE_CYCLE_UP:
type = "profile-cycle-up";
break;
case RATBAG_BUTTON_ACTION_SPECIAL_PROFILE_UP:
type = "profile-up";
break;
case RATBAG_BUTTON_ACTION_SPECIAL_PROFILE_DOWN:
type = "profile-down";
break;
case RATBAG_BUTTON_ACTION_SPECIAL_SECOND_MODE:
type = "second-mode";
break;
case RATBAG_BUTTON_ACTION_SPECIAL_BATTERY_LEVEL:
type = "battery-level";
break;
}
return sd_bus_message_append(reply, "s", type);
}
static int ratbagd_button_set_special(sd_bus_message *m,
void *userdata,
sd_bus_error *error)
{
struct ratbagd_button *button = userdata;
const char *s;
enum ratbag_button_action_special special;
int r;
r = sd_bus_message_read(m, "s", &s);
if (r < 0)
return r;
if (streq(s, "doubleclick"))
special = RATBAG_BUTTON_ACTION_SPECIAL_DOUBLECLICK;
else if (streq(s, "wheel-left"))
special = RATBAG_BUTTON_ACTION_SPECIAL_WHEEL_LEFT;
else if (streq(s, "wheel-right"))
special = RATBAG_BUTTON_ACTION_SPECIAL_WHEEL_RIGHT;
else if (streq(s, "wheel-up"))
special = RATBAG_BUTTON_ACTION_SPECIAL_WHEEL_UP;
else if (streq(s, "wheel-down"))
special = RATBAG_BUTTON_ACTION_SPECIAL_WHEEL_DOWN;
else if (streq(s, "ratchet-mode-switch"))
special = RATBAG_BUTTON_ACTION_SPECIAL_RATCHET_MODE_SWITCH;
else if (streq(s, "resolution-cycle-up"))
special = RATBAG_BUTTON_ACTION_SPECIAL_RESOLUTION_CYCLE_UP;
else if (streq(s, "resolution-up"))
special = RATBAG_BUTTON_ACTION_SPECIAL_RESOLUTION_UP;
else if (streq(s, "resolution-down"))
special = RATBAG_BUTTON_ACTION_SPECIAL_RESOLUTION_DOWN;
else if (streq(s, "resolution-alternate"))
special = RATBAG_BUTTON_ACTION_SPECIAL_RESOLUTION_ALTERNATE;
else if (streq(s, "resolution-default"))
special = RATBAG_BUTTON_ACTION_SPECIAL_RESOLUTION_DEFAULT;
else if (streq(s, "profile-cycle-up"))
special = RATBAG_BUTTON_ACTION_SPECIAL_PROFILE_CYCLE_UP;
else if (streq(s, "profile-up"))
special = RATBAG_BUTTON_ACTION_SPECIAL_PROFILE_UP;
else if (streq(s, "profile-down"))
special = RATBAG_BUTTON_ACTION_SPECIAL_PROFILE_DOWN;
else if (streq(s, "second-mode"))
special = RATBAG_BUTTON_ACTION_SPECIAL_SECOND_MODE;
else if (streq(s, "battery-level"))
special = RATBAG_BUTTON_ACTION_SPECIAL_BATTERY_LEVEL;
else {
log_error("Unknown button special action %s\n", s);
return sd_bus_reply_method_return(m, "u", -1);
}
r = ratbag_button_set_special(button->lib_button, special);
if (r == 0) {
sd_bus *bus = sd_bus_message_get_bus(m);
sd_bus_emit_properties_changed(bus,
button->path,
RATBAGD_NAME_ROOT ".Button",
"SpecialMapping",
NULL);
}
return sd_bus_reply_method_return(m, "u", r);
}
static int ratbagd_button_get_key(sd_bus *bus,
const char *path,
const char *interface,
const char *property,
sd_bus_message *reply,
void *userdata,
sd_bus_error *error)
{
struct ratbagd_button *button = userdata;
unsigned int key;
unsigned int modifiers[10] = {0};
size_t nmodifiers = ELEMENTSOF(modifiers);
size_t i;
int r;
/* Return an array with the first element the key, the rest
are modifiers (or 0 if unset). If no key is set, the array is
just [0] */
r = sd_bus_message_open_container(reply, 'a', "u");
if (r < 0)
return r;
key = ratbag_button_get_key(button->lib_button,
modifiers,
&nmodifiers);
r = sd_bus_message_append(reply, "u", key);
if (r < 0)
return r;
if (key == 0)
nmodifiers = 0;
for (i = 0; i < nmodifiers; i++) {
r = sd_bus_message_append(reply, "u", modifiers[0]);
if (r < 0)
return r;
}
return sd_bus_message_close_container(reply);
}
static int ratbagd_button_set_key(sd_bus_message *m,
void *userdata,
sd_bus_error *error)
{
struct ratbagd_button *button = userdata;
unsigned int key;
size_t nmodifiers = 10;
unsigned int modifiers[nmodifiers];
int r;
/* Expect an array with the first element the key, the rest
are modifiers (or 0 if unset). */
r = sd_bus_message_enter_container(m, 'a', "u");
if (r < 0)
return r;
r = sd_bus_message_read(m, "u", &key);
if (r < 0)
return r;
nmodifiers = 0;
while ((r = sd_bus_message_read_basic(m, 'u',
&modifiers[nmodifiers++])) > 0)
;
r = sd_bus_message_exit_container(m);
if (r < 0)
return r;
r = ratbag_button_set_key(button->lib_button, key, modifiers, nmodifiers);
return sd_bus_reply_method_return(m, "u", r);
}
static int ratbagd_button_get_action_type(sd_bus *bus,
const char *path,
const char *interface,
const char *property,
sd_bus_message *reply,
void *userdata,
sd_bus_error *error)
{
struct ratbagd_button *button = userdata;
const char *type;
switch (ratbag_button_get_action_type(button->lib_button)) {
case RATBAG_BUTTON_ACTION_TYPE_NONE:
type = "none";
break;
case RATBAG_BUTTON_ACTION_TYPE_BUTTON:
type = "button";
break;
case RATBAG_BUTTON_ACTION_TYPE_KEY:
type = "key";
break;
case RATBAG_BUTTON_ACTION_TYPE_SPECIAL:
type = "special";
break;
case RATBAG_BUTTON_ACTION_TYPE_MACRO:
type = "macro";
break;
case RATBAG_BUTTON_ACTION_TYPE_UNKNOWN:
type = "unknown";
break;
}
return sd_bus_message_append(reply, "s", type);
}
static int ratbagd_button_get_action_types(sd_bus *bus,
const char *path,
const char *interface,
const char *property,
sd_bus_message *reply,
void *userdata,
sd_bus_error *error)
{
struct ratbagd_button *button = userdata;
const char *types[5] = {NULL};
const char **t;
int idx = 0;
int r;
r = sd_bus_message_open_container(reply, 'a', "s");
if (r < 0)
return r;
if (ratbag_button_has_action_type(button->lib_button,
RATBAG_BUTTON_ACTION_TYPE_BUTTON))
types[idx++] = "button";
if (ratbag_button_has_action_type(button->lib_button,
RATBAG_BUTTON_ACTION_TYPE_KEY))
types[idx++] = "key";
if (ratbag_button_has_action_type(button->lib_button,
RATBAG_BUTTON_ACTION_TYPE_SPECIAL))
types[idx++] = "special";
if (ratbag_button_has_action_type(button->lib_button,
RATBAG_BUTTON_ACTION_TYPE_MACRO))
types[idx++] = "macro";
t = types;
while (*t) {
r = sd_bus_message_append(reply, "s", *t);
if (r < 0)
return r;
t++;
}
return sd_bus_message_close_container(reply);
}
static int ratbagd_button_disable(sd_bus_message *m,
void *userdata,
sd_bus_error *error)
{
struct ratbagd_button *button = userdata;
int r;
r = sd_bus_message_read(m, "");
if (r < 0)
return r;
r = ratbag_button_disable(button->lib_button);
return sd_bus_reply_method_return(m, "u", r);
}
const sd_bus_vtable ratbagd_button_vtable[] = {
SD_BUS_VTABLE_START(0),
SD_BUS_PROPERTY("Index", "u", NULL, offsetof(struct ratbagd_button, index), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("Type", "s", ratbagd_button_get_type, 0, SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("ButtonMapping", "u", ratbagd_button_get_button, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("SpecialMapping", "s", ratbagd_button_get_special, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("KeyMapping", "au", ratbagd_button_get_key, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("ActionType", "s", ratbagd_button_get_action_type, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("ActionTypes", "as", ratbagd_button_get_action_types, 0, SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_METHOD("SetButtonMapping", "u", "u", ratbagd_button_set_button, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("SetSpecialMapping", "s", "u", ratbagd_button_set_special, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("SetKeyMapping", "au", "u", ratbagd_button_set_key, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("Disable", "", "u", ratbagd_button_disable, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_VTABLE_END,
};
int ratbagd_button_new(struct ratbagd_button **out,
struct ratbagd_device *device,
struct ratbagd_profile *profile,
struct ratbag_button *lib_button,
unsigned int index)
{
_cleanup_(ratbagd_button_freep) struct ratbagd_button *button = NULL;
char profile_buffer[DECIMAL_TOKEN_MAX(unsigned int) + 1],
button_buffer[DECIMAL_TOKEN_MAX(unsigned int) + 1];
int r;
assert(out);
assert(lib_button);
button = calloc(1, sizeof(*button));
if (!button)
return -ENOMEM;
button->lib_button = lib_button;
button->index = index;
sprintf(profile_buffer, "p%u", ratbagd_profile_get_index(profile));
sprintf(button_buffer, "b%u", index);
r = sd_bus_path_encode_many(&button->path,
RATBAGD_OBJ_ROOT "/button/%/%/%",
ratbagd_device_get_name(device),
profile_buffer,
button_buffer);
if (r < 0)
return r;
*out = button;
button = NULL;
return 0;
}
const char *ratbagd_button_get_path(struct ratbagd_button *button)
{
assert(button);
return button->path;
}
struct ratbagd_button *ratbagd_button_free(struct ratbagd_button *button)
{
if (!button)
return NULL;
button->path = mfree(button->path);
button->lib_button = ratbag_button_unref(button->lib_button);
return mfree(button);
}
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