mirror of
https://github.com/rad4day/Waybar.git
synced 2023-12-21 10:22:59 +01:00
51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
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#include "modules/custom.hpp"
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#include <iostream>
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waybar::modules::Custom::Custom(std::string name, Json::Value config)
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: _name(name), _config(config)
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{
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_label.get_style_context()->add_class("custom-" + name);
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if (!_config["exec"]) {
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std::cerr << name + " has no exec path." << std::endl;
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return;
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}
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_thread = [this] {
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update();
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int interval = _config["interval"] ? _config["inveral"].asInt() : 30;
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_thread.sleep_for(chrono::seconds(interval));
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};
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};
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auto waybar::modules::Custom::update() -> void
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{
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std::array<char, 128> buffer;
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std::string output;
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std::shared_ptr<FILE> fp(popen(_config["exec"].asCString(), "r"), pclose);
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if (!fp) {
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std::cerr << _name + " can't exec " + _config["exec"].asString() << std::endl;
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return;
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}
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while (!feof(fp.get())) {
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if (fgets(buffer.data(), 128, fp.get()) != nullptr)
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output += buffer.data();
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}
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// Remove last newline
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if (!output.empty() && output[output.length()-1] == '\n') {
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output.erase(output.length()-1);
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}
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// Hide label if output is empty
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if (output.empty())
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_label.hide();
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else {
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auto format = _config["format"] ? _config["format"].asString() : "{}";
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_label.set_text(fmt::format(format, output));
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_label.show();
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}
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}
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waybar::modules::Custom::operator Gtk::Widget &() {
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return _label;
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}
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