Waybar/src/modules/sway/window.cpp

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#include "modules/sway/window.hpp"
#include "modules/sway/ipc/client.hpp"
waybar::modules::sway::Window::Window(Bar &bar, Json::Value config)
: _bar(bar), _config(config)
{
_label.set_name("window");
std::string socketPath = get_socketpath();
_ipcfd = ipc_open_socket(socketPath);
_ipcEventfd = ipc_open_socket(socketPath);
const char *subscribe = "[ \"window\" ]";
uint32_t len = strlen(subscribe);
ipc_single_command(_ipcEventfd, IPC_SUBSCRIBE, subscribe, &len);
_getFocusedWindow();
_thread = [this] {
try {
if (_bar.outputName.empty()) {
// Wait for the name of the output
while (_bar.outputName.empty())
_thread.sleep_for(chrono::milliseconds(150));
}
auto res = ipc_recv_response(_ipcEventfd);
auto parsed = _parser.parse(res.payload);
if ((parsed["change"] == "focus" || parsed["change"] == "title")
&& parsed["container"]["focused"].asBool()) {
_window = parsed["container"]["name"].asString();
Glib::signal_idle().connect_once(sigc::mem_fun(*this, &Window::update));
}
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} catch (const std::exception& e) {
std::cerr << e.what() << std::endl;
}
};
}
auto waybar::modules::sway::Window::update() -> void
{
_label.set_text(_window);
_label.set_tooltip_text(_window);
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}
std::string waybar::modules::sway::Window::_getFocusedNode(Json::Value nodes)
{
for (auto &node : nodes) {
if (node["focused"].asBool())
return node["name"].asString();
auto res = _getFocusedNode(node["nodes"]);
if (!res.empty())
return res;
}
return std::string();
}
void waybar::modules::sway::Window::_getFocusedWindow()
{
try {
uint32_t len = 0;
auto res = ipc_single_command(_ipcfd, IPC_GET_TREE, nullptr, &len);
auto parsed = _parser.parse(res);
_window = _getFocusedNode(parsed["nodes"]);
Glib::signal_idle().connect_once(sigc::mem_fun(*this, &Window::update));
} catch (const std::exception &e) {
std::cerr << e.what() << std::endl;
}
}
waybar::modules::sway::Window::operator Gtk::Widget &() {
return _label;
}