Merge pull request #3544 from nktnet1/hyprland/windowcount

add Hyprland/windowcount module

src/modules/hyprland/windowcount.cpp

@@ -0,0 +1,142 @@
+#include "modules/hyprland/windowcount.hpp"
+
+#include <glibmm/fileutils.h>
+#include <glibmm/keyfile.h>
+#include <glibmm/miscutils.h>
+#include <spdlog/spdlog.h>
+
+#include <algorithm>
+#include <vector>
+
+#include "modules/hyprland/backend.hpp"
+#include "util/sanitize_str.hpp"
+
+namespace waybar::modules::hyprland {
+
+WindowCount::WindowCount(const std::string& id, const Bar& bar, const Json::Value& config)
+    : AAppIconLabel(config, "windowcount", id, "{count}", 0, true), bar_(bar) {
+  modulesReady = true;
+  separateOutputs_ =
+      config.isMember("separate-outputs") ? config["separate-outputs"].asBool() : true;
+
+  if (!gIPC) {
+    gIPC = std::make_unique<IPC>();
+  }
+
+  queryActiveWorkspace();
+  update();
+  dp.emit();
+
+  // register for hyprland ipc
+  gIPC->registerForIPC("fullscreen", this);
+  gIPC->registerForIPC("workspace", this);
+  gIPC->registerForIPC("focusedmon", this);
+  gIPC->registerForIPC("openwindow", this);
+  gIPC->registerForIPC("closewindow", this);
+  gIPC->registerForIPC("movewindow", this);
+}
+
+WindowCount::~WindowCount() {
+  gIPC->unregisterForIPC(this);
+  // wait for possible event handler to finish
+  std::lock_guard<std::mutex> lg(mutex_);
+}
+
+auto WindowCount::update() -> void {
+  std::lock_guard<std::mutex> lg(mutex_);
+
+  std::string format = config_["format"].asString();
+  std::string formatEmpty = config_["format-empty"].asString();
+  std::string formatWindowed = config_["format-windowed"].asString();
+  std::string formatFullscreen = config_["format-fullscreen"].asString();
+
+  setClass("empty", workspace_.windows == 0);
+  setClass("fullscreen", workspace_.hasfullscreen);
+
+  if (workspace_.windows == 0 && !formatEmpty.empty()) {
+    label_.set_markup(fmt::format(fmt::runtime(formatEmpty), workspace_.windows));
+  } else if (!workspace_.hasfullscreen && !formatWindowed.empty()) {
+    label_.set_markup(fmt::format(fmt::runtime(formatWindowed), workspace_.windows));
+  } else if (workspace_.hasfullscreen && !formatFullscreen.empty()) {
+    label_.set_markup(fmt::format(fmt::runtime(formatFullscreen), workspace_.windows));
+  } else if (!format.empty()) {
+    label_.set_markup(fmt::format(fmt::runtime(format), workspace_.windows));
+  } else {
+    label_.set_text(fmt::format("{}", workspace_.windows));
+  }
+
+  label_.show();
+  AAppIconLabel::update();
+}
+
+auto WindowCount::getActiveWorkspace() -> Workspace {
+  const auto workspace = gIPC->getSocket1JsonReply("activeworkspace");
+
+  if (workspace.isObject()) {
+    return Workspace::parse(workspace);
+  }
+
+  return {};
+}
+
+auto WindowCount::getActiveWorkspace(const std::string& monitorName) -> Workspace {
+  const auto monitors = gIPC->getSocket1JsonReply("monitors");
+  if (monitors.isArray()) {
+    auto monitor = std::find_if(monitors.begin(), monitors.end(), [&](Json::Value monitor) {
+      return monitor["name"] == monitorName;
+    });
+    if (monitor == std::end(monitors)) {
+      spdlog::warn("Monitor not found: {}", monitorName);
+      return Workspace{-1, 0, false};
+    }
+    const int id = (*monitor)["activeWorkspace"]["id"].asInt();
+
+    const auto workspaces = gIPC->getSocket1JsonReply("workspaces");
+    if (workspaces.isArray()) {
+      auto workspace = std::find_if(workspaces.begin(), workspaces.end(),
+                                    [&](Json::Value workspace) { return workspace["id"] == id; });
+      if (workspace == std::end(workspaces)) {
+        spdlog::warn("No workspace with id {}", id);
+        return Workspace{-1, 0, false};
+      }
+      return Workspace::parse(*workspace);
+    };
+  };
+
+  return {};
+}
+
+auto WindowCount::Workspace::parse(const Json::Value& value) -> WindowCount::Workspace {
+  return Workspace{
+      value["id"].asInt(),
+      value["windows"].asInt(),
+      value["hasfullscreen"].asBool(),
+  };
+}
+
+void WindowCount::queryActiveWorkspace() {
+  std::lock_guard<std::mutex> lg(mutex_);
+
+  if (separateOutputs_) {
+    workspace_ = getActiveWorkspace(this->bar_.output->name);
+  } else {
+    workspace_ = getActiveWorkspace();
+  }
+}
+
+void WindowCount::onEvent(const std::string& ev) {
+  queryActiveWorkspace();
+  dp.emit();
+}
+
+void WindowCount::setClass(const std::string& classname, bool enable) {
+  if (enable) {
+    if (!bar_.window.get_style_context()->has_class(classname)) {
+      bar_.window.get_style_context()->add_class(classname);
+    }
+  } else {
+    bar_.window.get_style_context()->remove_class(classname);
+  }
+}
+
+}  // namespace waybar::modules::hyprland