Merge pull request #70 from Robinhuett/mode_module

Add module to show sway binding mode

include/factory.hpp

@@ -3,6 +3,7 @@
 #include <json/json.h>
 #include "modules/clock.hpp"
 #ifdef HAVE_SWAY
+#include "modules/sway/mode.hpp"
 #include "modules/sway/workspaces.hpp"
 #include "modules/sway/window.hpp"
 #endif

include/modules/sway/mode.hpp

@@ -0,0 +1,27 @@
+#pragma once
+
+#include <fmt/format.h>
+#include "bar.hpp"
+#include "client.hpp"
+#include "util/chrono.hpp"
+#include "util/json.hpp"
+#include "ALabel.hpp"
+#include "modules/sway/ipc/client.hpp"
+
+namespace waybar::modules::sway {
+
+class Mode : public ALabel {
+  public:
+    Mode(waybar::Bar&, const Json::Value&);
+    auto update() -> void;
+  private:
+    void worker();
+    
+    Bar& bar_;
+    waybar::util::SleeperThread thread_;
+    util::JsonParser parser_;
+    Ipc ipc_;
+    std::string mode_;
+};
+
+}

meson.build

@@ -57,6 +57,7 @@ if find_program('sway', required : false).found()
     add_project_arguments('-DHAVE_SWAY', language: 'cpp')
     src_files += [
         'src/modules/sway/ipc/client.cpp',
+        'src/modules/sway/mode.cpp',
         'src/modules/sway/window.cpp',
         'src/modules/sway/workspaces.cpp'
     ]

resources/config

@@ -4,7 +4,7 @@
     // "height": 30, // Waybar height
     // "width": 1280, // Waybar width
     // Choose the order of the modules
-    "modules-left": ["sway/workspaces", "custom/spotify"],
+    "modules-left": ["sway/workspaces", "sway/mode", "custom/spotify"],
     "modules-center": ["sway/window"],
     "modules-right": ["pulseaudio", "network", "cpu", "memory", "battery", "battery#bat2", "clock", "tray"],
     // Modules configuration
@@ -23,6 +23,9 @@
     //         "default": ""
     //     }
     // },
+    "sway/mode": {
+        "format": "{}"
+    },
     "sway/window": {
         "max-length": 50
     },

resources/style.css

@@ -23,7 +23,12 @@ window#waybar {
     border-bottom: 3px solid white;
 }
 
-#clock, #battery, #cpu, #memory, #network, #pulseaudio, #custom-spotify, #tray {
+#mode {
+    background: #64727D;
+    border-bottom: 3px solid white;
+}
+
+#clock, #battery, #cpu, #memory, #network, #pulseaudio, #custom-spotify, #tray #mode {
     padding: 0 10px;
     margin: 0 5px;
 }

src/factory.cpp

@@ -12,6 +12,9 @@ waybar::IModule* waybar::Factory::makeModule(const std::string &name) const
       return new waybar::modules::Battery(config_[name]);
     }
     #ifdef HAVE_SWAY
+    if (ref == "sway/mode") {
+      return new waybar::modules::sway::Mode(bar_, config_[name]);
+    }
     if (ref == "sway/workspaces") {
       return new waybar::modules::sway::Workspaces(bar_, config_[name]);
     }

src/modules/sway/mode.cpp

@@ -0,0 +1,43 @@
+#include "modules/sway/mode.hpp"
+
+waybar::modules::sway::Mode::Mode(Bar& bar, const Json::Value& config)
+  : ALabel(config, "{}"), bar_(bar)
+{
+  ipc_.connect();
+  ipc_.subscribe("[ \"mode\" ]");
+  // Launch worker
+  worker();
+}
+
+void waybar::modules::sway::Mode::worker()
+{
+  thread_ = [this] {
+    try {
+      auto res = ipc_.handleEvent();
+      auto parsed = parser_.parse(res.payload);
+      if ((parsed["change"]) != "default" ) {
+        mode_ = parsed["change"].asString();
+        dp.emit();
+      }
+      else if ((parsed["change"]) == "default" ) {
+        mode_.clear();
+        dp.emit();
+      }
+    } catch (const std::exception& e) {
+      std::cerr << e.what() << std::endl;
+    }
+  };
+}
+
+auto waybar::modules::sway::Mode::update() -> void
+{
+  if (mode_.empty()) {
+    label_.set_name("");
+    label_.hide();
+  } else {
+    label_.set_name("mode");
+    label_.set_text(fmt::format(format_, mode_));
+    label_.set_tooltip_text(mode_);
+    label_.show();
+  }
+}