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)
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: bar_(bar), config_(std::move(config))
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{
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label_.set_name("window");
std::string socketPath = getSocketPath();
ipcfd_ = ipcOpenSocket(socketPath);
ipc_eventfd_ = ipcOpenSocket(socketPath);
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const char *subscribe = "[ \"window\" ]";
uint32_t len = strlen(subscribe);
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ipcSingleCommand(ipc_eventfd_, IPC_SUBSCRIBE, subscribe, &len);
getFocusedWindow();
thread_ = [this] {
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try {
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auto res = ipcRecvResponse(ipc_eventfd_);
auto parsed = parser_.parse(res.payload);
if ((parsed["change"] == "focus" || parsed["change"] == "title")
&& parsed["container"]["focused"].asBool()) {
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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
{
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label_.set_text(window_);
label_.set_tooltip_text(window_);
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}
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std::string waybar::modules::sway::Window::getFocusedNode(Json::Value nodes)
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{
for (auto &node : nodes) {
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if (node["focused"].asBool()) {
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return node["name"].asString();
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}
auto res = getFocusedNode(node["nodes"]);
if (!res.empty()) {
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return res;
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}
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}
return std::string();
}
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void waybar::modules::sway::Window::getFocusedWindow()
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{
try {
uint32_t len = 0;
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auto res = ipcSingleCommand(ipcfd_, IPC_GET_TREE, nullptr, &len);
auto parsed = parser_.parse(res);
window_ = getFocusedNode(parsed["nodes"]);
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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 &() {
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return label_;
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}