Merge branch 'master' into master

include/client.hpp

@@ -19,6 +19,7 @@ class Client {
  public:
   static Client *inst();
   int            main(int argc, char *argv[]);
+  void           reset();
 
   Glib::RefPtr<Gtk::Application>      gtk_app;
   Glib::RefPtr<Gdk::Display>          gdk_display;

include/factory.hpp

@@ -1,7 +1,11 @@
 #pragma once
 
 #include <json/json.h>
+#ifdef HAVE_LIBDATE
 #include "modules/clock.hpp"
+#else
+#include "modules/simpleclock.hpp"
+#endif
 #ifdef HAVE_SWAY
 #include "modules/sway/mode.hpp"
 #include "modules/sway/window.hpp"

include/modules/simpleclock.hpp

@@ -0,0 +1,24 @@
+#pragma once
+
+#include <fmt/format.h>
+#if FMT_VERSION < 60000
+#include <fmt/time.h>
+#else
+#include <fmt/chrono.h>
+#endif
+#include "ALabel.hpp"
+#include "util/sleeper_thread.hpp"
+
+namespace waybar::modules {
+
+class Clock : public ALabel {
+ public:
+  Clock(const std::string&, const Json::Value&);
+  ~Clock() = default;
+  auto update() -> void;
+
+ private:
+  util::SleeperThread thread_;
+};
+
+}  // namespace waybar::modules

man/waybar-river-tags.5.scd

@@ -17,6 +17,10 @@ Addressed by *river/tags*
     default: 9 ++
     The number of tags that should be displayed.
 
+*tag-labels*: ++
+    typeof: array ++
+    The label to display for each tag.
+
 # EXAMPLE
 
 ```

man/waybar-temperature.5.scd

@@ -50,6 +50,11 @@ Addressed by *temperature*
 	typeof: array ++
 	Based on the current temperature (Celsius) and *critical-threshold* if available, the corresponding icon gets selected. The order is *low* to *high*.
 
+*tooltip-format*: ++
+	typeof: string  ++
+	default: {temperatureC}°C ++
+	The format for the tooltip
+
 *rotate*: ++
 	typeof: integer ++
 	Positive value to rotate the text label.

meson.build

@@ -112,7 +112,11 @@ gtk_layer_shell = dependency('gtk-layer-shell-0',
         required: get_option('gtk-layer-shell'),
         fallback : ['gtk-layer-shell', 'gtk_layer_shell_dep'])
 systemd = dependency('systemd', required: get_option('systemd'))
-tz_dep = dependency('date', default_options : [ 'use_system_tzdb=true' ], modules : [ 'date::date', 'date::date-tz' ], fallback: [ 'date', 'tz_dep' ])
+tz_dep = dependency('date',
+    required: false,
+    default_options : [ 'use_system_tzdb=true' ],
+    modules : [ 'date::date', 'date::date-tz' ],
+    fallback: [ 'date', 'tz_dep' ])
 
 prefix = get_option('prefix')
 sysconfdir = get_option('sysconfdir')
@@ -136,7 +140,6 @@ src_files = files(
     'src/factory.cpp',
     'src/AModule.cpp',
     'src/ALabel.cpp',
-    'src/modules/clock.cpp',
     'src/modules/custom.cpp',
     'src/modules/disk.cpp',
     'src/modules/idle_inhibitor.cpp',
@@ -236,6 +239,13 @@ if get_option('rfkill').enabled()
     endif
 endif
 
+if tz_dep.found()
+    add_project_arguments('-DHAVE_LIBDATE', language: 'cpp')
+    src_files += 'src/modules/clock.cpp'
+else
+    src_files += 'src/modules/simpleclock.cpp'
+endif
+
 subdir('protocol')
 
 executable(

src/ALabel.cpp

@@ -60,14 +60,14 @@ std::string ALabel::getIcon(uint16_t percentage, const std::string& alt, uint16_
 std::string ALabel::getIcon(uint16_t percentage, std::vector<std::string>& alts, uint16_t max) {
   auto format_icons = config_["format-icons"];
   if (format_icons.isObject()) {
+    std::string _alt = "default";
     for (const auto& alt : alts) {
       if (!alt.empty() && (format_icons[alt].isString() || format_icons[alt].isArray())) {
-        format_icons = format_icons[alt];
+        _alt = alt;
         break;
-      } else {
-        format_icons = format_icons["default"];
       }
     }
+    format_icons = format_icons[_alt];
   }
   if (format_icons.isArray()) {
     auto size = format_icons.size();

src/client.cpp

@@ -303,10 +303,9 @@ int waybar::Client::main(int argc, char *argv[]) {
   gtk_app->hold();
   gtk_app->run();
   bars.clear();
-  zxdg_output_manager_v1_destroy(xdg_output_manager);
-  zwlr_layer_shell_v1_destroy(layer_shell);
-  zwp_idle_inhibit_manager_v1_destroy(idle_inhibit_manager);
-  wl_registry_destroy(registry);
-  wl_display_disconnect(wl_display);
   return 0;
 }
+
+void waybar::Client::reset() {
+  gtk_app->quit();
+}

src/main.cpp

@@ -8,6 +8,7 @@
 
 std::mutex reap_mtx;
 std::list<pid_t> reap;
+volatile bool reload;
 
 void* signalThread(void* args) {
   int err, signum;
@@ -70,12 +71,19 @@ void startSignalThread(void) {
 int main(int argc, char* argv[]) {
   try {
     auto client = waybar::Client::inst();
+
     std::signal(SIGUSR1, [](int /*signal*/) {
       for (auto& bar : waybar::Client::inst()->bars) {
         bar->toggle();
       }
     });
 
+    std::signal(SIGUSR2, [](int /*signal*/) {
+        spdlog::info("Reloading...");
+        reload = true;
+        waybar::Client::inst()->reset();
+    });
+
     for (int sig = SIGRTMIN + 1; sig <= SIGRTMAX; ++sig) {
       std::signal(sig, [](int sig) {
         for (auto& bar : waybar::Client::inst()->bars) {
@@ -85,7 +93,12 @@ int main(int argc, char* argv[]) {
     }
     startSignalThread();
 
-    auto ret = client->main(argc, argv);
+    auto ret = 0;
+    do {
+      reload = false;
+      ret = client->main(argc, argv);
+    } while (reload);
+
     delete client;
     return ret;
   } catch (const std::exception& e) {

src/modules/cpu/common.cpp

@@ -15,8 +15,19 @@ auto waybar::modules::Cpu::update() -> void {
   if (tooltipEnabled()) {
     label_.set_tooltip_text(tooltip);
   }
-  label_.set_markup(fmt::format(format_, fmt::arg("load", cpu_load), fmt::arg("usage", cpu_usage)));
-  getState(cpu_usage);
+  auto format = format_;
+  auto state = getState(cpu_usage);
+  if (!state.empty() && config_["format-" + state].isString()) {
+    format = config_["format-" + state].asString();
+  }
+
+  if (format.empty()) {
+    event_box_.hide();
+  } else {
+    event_box_.show();
+    label_.set_markup(fmt::format(format, fmt::arg("load", cpu_load), fmt::arg("usage", cpu_usage)));
+  }
+
   // Call parent update
   ALabel::update();
 }

src/modules/disk.cpp

@@ -49,7 +49,17 @@ auto waybar::modules::Disk::update() -> void {
   auto total = pow_format(stats.f_blocks * stats.f_frsize, "B", true);
   auto percentage_used = (stats.f_blocks - stats.f_bavail) * 100 / stats.f_blocks;
 
-  label_.set_markup(fmt::format(format_
+  auto format = format_;
+  auto state = getState(percentage_used);
+  if (!state.empty() && config_["format-" + state].isString()) {
+    format = config_["format-" + state].asString();
+  }
+
+  if (format.empty()) {
+    event_box_.hide();
+  } else {
+    event_box_.show();
+    label_.set_markup(fmt::format(format
         , stats.f_bavail * 100 / stats.f_blocks
         , fmt::arg("free", free)
         , fmt::arg("percentage_free", stats.f_bavail * 100 / stats.f_blocks)
@@ -58,6 +68,8 @@ auto waybar::modules::Disk::update() -> void {
         , fmt::arg("total", total)
         , fmt::arg("path", path_)
         ));
+  }
+
   if (tooltipEnabled()) {
     std::string tooltip_format = "{used} used out of {total} on {path} ({percentage_used}%)";
     if (config_["tooltip-format"].isString()) {
@@ -73,8 +85,6 @@ auto waybar::modules::Disk::update() -> void {
       , fmt::arg("path", path_)
       ));
   }
-  event_box_.show();
-  getState(percentage_used);
   // Call parent update
   ALabel::update();
 }

src/modules/memory/common.cpp

@@ -28,13 +28,24 @@ auto waybar::modules::Memory::update() -> void {
     auto used_ram_gigabytes = (memtotal - memfree) / std::pow(1024, 2);
     auto available_ram_gigabytes = memfree / std::pow(1024, 2);
 
-    getState(used_ram_percentage);
-    label_.set_markup(fmt::format(format_,
+    auto format = format_;
+    auto state = getState(used_ram_percentage);
+    if (!state.empty() && config_["format-" + state].isString()) {
+      format = config_["format-" + state].asString();
+    }
+
+    if (format.empty()) {
+      event_box_.hide();
+    } else {
+      event_box_.show();
+      label_.set_markup(fmt::format(format,
                                     used_ram_percentage,
                                     fmt::arg("total", total_ram_gigabytes),
                                     fmt::arg("percentage", used_ram_percentage),
                                     fmt::arg("used", used_ram_gigabytes),
                                     fmt::arg("avail", available_ram_gigabytes)));
+    }
+
     if (tooltipEnabled()) {
       if (config_["tooltip-format"].isString()) {
         auto tooltip_format = config_["tooltip-format"].asString();
@@ -48,7 +59,6 @@ auto waybar::modules::Memory::update() -> void {
         label_.set_tooltip_text(fmt::format("{:.{}f}GiB used", used_ram_gigabytes, 1));
       }
     }
-    event_box_.show();
   } else {
     event_box_.hide();
   }

src/modules/river/tags.cpp

@@ -3,6 +3,8 @@
 #include <spdlog/spdlog.h>
 #include <wayland-client.h>
 
+#include <algorithm>
+
 #include "client.hpp"
 #include "modules/river/tags.hpp"
 #include "river-status-unstable-v1-client-protocol.h"
@@ -64,8 +66,20 @@ Tags::Tags(const std::string &id, const waybar::Bar &bar, const Json::Value &con
 
   // Default to 9 tags
   const uint32_t num_tags = config["num-tags"].isUInt() ? config_["num-tags"].asUInt() : 9;
-  for (uint32_t tag = 1; tag <= num_tags; ++tag) {
-    Gtk::Button &button = buttons_.emplace_back(std::to_string(tag));
+
+  std::vector<std::string> tag_labels(num_tags);
+  for (uint32_t tag = 0; tag < num_tags; ++tag) {
+    tag_labels[tag] = std::to_string(tag+1);
+  }
+  const Json::Value custom_labels = config["tag-labels"];
+  if (custom_labels.isArray() && !custom_labels.empty()) {
+    for (uint32_t tag = 0; tag < std::min(num_tags, custom_labels.size()); ++tag) {
+      tag_labels[tag] = custom_labels[tag].asString();
+    }
+  }
+
+  for (const auto &tag_label : tag_labels) {
+    Gtk::Button &button = buttons_.emplace_back(tag_label);
     button.set_relief(Gtk::RELIEF_NONE);
     box_.pack_start(button, false, false, 0);
     button.show();

src/modules/simpleclock.cpp

@@ -0,0 +1,33 @@
+#include "modules/simpleclock.hpp"
+#include <time.h>
+
+waybar::modules::Clock::Clock(const std::string& id, const Json::Value& config)
+    : ALabel(config, "clock", id, "{:%H:%M}", 60) {
+  thread_ = [this] {
+    dp.emit();
+    auto now = std::chrono::system_clock::now();
+    auto timeout = std::chrono::floor<std::chrono::seconds>(now + interval_);
+    auto diff = std::chrono::seconds(timeout.time_since_epoch().count() % interval_.count());
+    thread_.sleep_until(timeout - diff);
+  };
+}
+
+auto waybar::modules::Clock::update() -> void {
+  tzset(); // Update timezone information
+  auto now = std::chrono::system_clock::now();
+  auto localtime = fmt::localtime(std::chrono::system_clock::to_time_t(now));
+  auto text = fmt::format(format_, localtime);
+  label_.set_markup(text);
+
+  if (tooltipEnabled()) {
+    if (config_["tooltip-format"].isString()) {
+      auto tooltip_format = config_["tooltip-format"].asString();
+      auto tooltip_text = fmt::format(tooltip_format, localtime);
+      label_.set_tooltip_text(tooltip_text);
+    } else {
+      label_.set_tooltip_text(text);
+    }
+  }
+  // Call parent update
+  ALabel::update();
+}

src/modules/temperature.cpp

@@ -40,6 +40,16 @@ auto waybar::modules::Temperature::update() -> void {
                                 fmt::arg("temperatureF", temperature_f),
                                 fmt::arg("temperatureK", temperature_k),
                                 fmt::arg("icon", getIcon(temperature_c, "", max_temp))));
+  if (tooltipEnabled()) {
+    std::string tooltip_format = "{temperatureC}°C";
+    if (config_["tooltip-format"].isString()) {
+      tooltip_format = config_["tooltip-format"].asString();
+    }
+    label_.set_tooltip_text(fmt::format(tooltip_format,
+                                fmt::arg("temperatureC", temperature_c),
+                                fmt::arg("temperatureF", temperature_f),
+                                fmt::arg("temperatureK", temperature_k)));
+  }
   // Call parent update
   ALabel::update();
 }

src/modules/wlr/taskbar.cpp

@@ -367,16 +367,16 @@ void Task::handle_output_leave(struct wl_output *output)
 void Task::handle_state(struct wl_array *state)
 {
     state_ = 0;
-    for (auto* entry = static_cast<uint32_t*>(state->data);
-         entry < static_cast<uint32_t*>(state->data) + state->size;
-         entry++) {
-        if (*entry == ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MAXIMIZED)
+    size_t size = state->size / sizeof(uint32_t);
+    for (size_t i = 0; i < size; ++i) {
+        auto entry = static_cast<uint32_t*>(state->data)[i];
+        if (entry == ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MAXIMIZED)
             state_ |= MAXIMIZED;
-        if (*entry == ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MINIMIZED)
+        if (entry == ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MINIMIZED)
             state_ |= MINIMIZED;
-        if (*entry == ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_ACTIVATED)
+        if (entry == ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_ACTIVATED)
             state_ |= ACTIVE;
-        if (*entry == ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_FULLSCREEN)
+        if (entry == ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_FULLSCREEN)
             state_ |= FULLSCREEN;
     }
 }
@@ -637,9 +637,21 @@ Taskbar::Taskbar(const std::string &id, const waybar::Bar &bar, const Json::Valu
 Taskbar::~Taskbar()
 {
     if (manager_) {
+        struct wl_display *display = Client::inst()->wl_display;
+        /*
+         * Send `stop` request and wait for one roundtrip.
+         * This is not quite correct as the protocol encourages us to wait for the .finished event,
+         * but it should work with wlroots foreign toplevel manager implementation.
+         */
+        zwlr_foreign_toplevel_manager_v1_stop(manager_);
+        wl_display_roundtrip(display);
+
+        if (manager_) {
+            spdlog::warn("Foreign toplevel manager destroyed before .finished event");
             zwlr_foreign_toplevel_manager_v1_destroy(manager_);
             manager_ = nullptr;
         }
+    }
 }
 
 void Taskbar::update()