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https://github.com/swaywm/sway.git
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131 lines
3 KiB
C
131 lines
3 KiB
C
#define _XOPEN_SOURCE 500
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#ifdef __FreeBSD__
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#include <dev/evdev/input-event-codes.h>
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#else
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#include <linux/input-event-codes.h>
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#endif
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#include <poll.h>
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#include <time.h>
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#include <wlr/util/log.h>
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#include "swaybar/event_loop.h"
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#include "swaybar/tray/dbus.h"
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#include "swaybar/tray/sni_host.h"
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#include "swaybar/tray/sni_watcher.h"
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static const char *fd_iface = "org.freedesktop.StatusNotifierWatcher";
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static const char *fd_notifier_host = "org.freedesktop.StatusNotifierHost";
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bool dbus_init() {
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int ret = 0;
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sd_bus *bus = NULL;
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/* BUG: *slot should contained in sni_watcher struct to facilitate multiple
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* watchers but when done in this way the sd-bus handler callbacks
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* (handle_new_icon) were getting bad userdata
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*/
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sd_bus_slot *slot = NULL;
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// TODO: Add other watchers for KDE, etc.
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struct sni_watcher fd_sni_watcher = {0};
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ret = sd_bus_open_user(&bus);
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if (ret < 0) {
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wlr_log(WLR_ERROR, "Failed to connect to user bus: %s",
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strerror(-ret));
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goto error;
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}
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wlr_log(WLR_DEBUG, "Connected to user bus");
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fd_sni_watcher.bus = bus;
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fd_sni_watcher.iface = fd_iface;
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sni_watcher_init(&fd_sni_watcher);
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ret = sni_watcher_vtable_init(&fd_sni_watcher, slot);
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if (ret < 0) {
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wlr_log(WLR_ERROR, "Failed to init freedesktop watcher vtable: %s",
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strerror(-ret));
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goto error;
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}
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ret = sd_bus_request_name(bus, fd_iface, 0);
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if (ret < 0) {
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wlr_log(WLR_ERROR, "Failed to get freedesktop SNI watcher name: %s",
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strerror(-ret));
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goto error;
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}
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char *fd_name = init_dbus_sni_host(fd_notifier_host);
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if (fd_name == NULL) {
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wlr_log(WLR_ERROR, "Failed to init freedesktop Notifier host");
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goto error;
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}
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ret = sd_bus_request_name(bus, fd_name, 0);
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if (ret < 0) {
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wlr_log(WLR_ERROR, "Failed to get freedesktop notifier host name: %s",
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strerror(-ret));
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goto error;
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}
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add_event(sd_bus_get_fd(bus), POLLIN, process_request, bus);
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return true;
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error:
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finish_dbus(slot, bus);
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return false;
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}
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void finish_dbus(sd_bus_slot *slot, sd_bus *bus) {
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sd_bus_slot_unref(slot);
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sd_bus_unref(bus);
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}
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void process_request(int fd, short mask, void *data) {
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int ret = 0;
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sd_bus *bus = data;
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wlr_log(WLR_DEBUG, "Processing a bus request");
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while(1) {
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ret = sd_bus_process(bus, NULL);
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if (ret == 0) {
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break;
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}
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}
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if (ret < 0) {
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wlr_log(WLR_ERROR, "Failed to process bus: %s", strerror(-ret));
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return;
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}
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}
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int dbus_name_has_owner(sd_bus *bus, const char *name, sd_bus_error *error) {
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sd_bus_message *reply = NULL;
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int ret = 0;
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int has_owner = 0;
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ret = sd_bus_call_method(bus,
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"org.freedesktop.DBus",
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"/org/freedesktop/dbus",
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"org.freedesktop.DBus",
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"NameHasOwner",
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error,
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&reply,
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"s",
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name);
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if (ret < 0) {
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wlr_log(WLR_ERROR, "Failed to call NameHasOwner on: %s", name);
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return ret;
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}
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ret = sd_bus_message_read_basic(reply, 'b', &has_owner);
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if (ret < 0) {
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wlr_log(WLR_ERROR, "Failed to read NameHasOwner message on: %s", name);
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return sd_bus_error_set_errno(error, ret);
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}
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return has_owner;
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}
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