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Add option to rewrite sway/window title

Rewrites window title according to config option "rewrite".
"rewrite" is an object where keys are regular expressions and values are
rewrite rules if the expression matches. Rules may contain references to
captures of the expression. Regex and replacement follow ECMA-script
rules. If no regex matches, the title is left unchanged.

example:
"sway/window": {
  "rewrite": {
    "(.*) - Mozilla Firefox": " $1",
    "(.*) - zsh": " $1",
  }
}
master
Matthias Richter 1 year ago
parent
commit
b16c8972c7
  1. 1
      include/modules/sway/window.hpp
  2. 22
      src/modules/sway/window.cpp

1
include/modules/sway/window.hpp

@ -22,6 +22,7 @@ class Window : public ALabel, public sigc::trackable {
std::tuple<std::size_t, int, std::string, std::string> getFocusedNode(const Json::Value& nodes,
std::string& output);
void getTree();
std::string rewriteTitle(const std::string& title);
const Bar& bar_;
std::string window_;

22
src/modules/sway/window.cpp

@ -1,5 +1,6 @@
#include "modules/sway/window.hpp"
#include <spdlog/spdlog.h>
#include <regex>
namespace waybar::modules::sway {
@ -56,7 +57,7 @@ auto Window::update() -> void {
bar_.window.get_style_context()->remove_class("solo");
bar_.window.get_style_context()->remove_class("empty");
}
label_.set_markup(fmt::format(format_, fmt::arg("title", window_),
label_.set_markup(fmt::format(format_, fmt::arg("title", rewriteTitle(window_)),
fmt::arg("app_id", app_id_)));
if (tooltipEnabled()) {
label_.set_tooltip_text(window_);
@ -131,4 +132,23 @@ void Window::getTree() {
}
}
std::string Window::rewriteTitle(const std::string& title)
{
const auto& rules = config_["rewrite"];
if (!rules.isObject()) {
return title;
}
for (auto it = rules.begin(); it != rules.end(); ++it) {
if (it.key().isString() && it->isString()) {
const std::regex rule{it.key().asString()};
if (std::regex_match(title, rule)) {
return std::regex_replace(title, rule, it->asString());
}
}
}
return title;
}
} // namespace waybar::modules::sway

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