feat: memory module

include/modules/memory.hpp

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <gtkmm.h>
+#include <fmt/format.h>
+#include <sys/sysinfo.h>
+#include <thread>
+#include "util/chrono.hpp"
+
+namespace waybar::modules {
+
+  class Memory {
+    public:
+      Memory();
+      operator Gtk::Widget &();
+    private:
+      Gtk::Label _label;
+      waybar::util::SleeperThread _thread;
+  };
+
+}

resources/style.css

@@ -32,14 +32,22 @@ window {
     background-color: #64727D;
     padding: 0 10px;
     margin: 0 5px;
-    border-bottom: 2px solid transparent;
 }
 
 .battery-status {
     padding: 0 10px;
-    border-bottom: 2px solid transparent;
+    margin: 0 5px;
+    background-color: #ffffff;
+    color: black;
 }
 
 .battery-status.battery-charging {
+    color: white;
     background-color: #26A65B;
 }
+
+.memory-widget {
+    padding: 0 10px;
+    margin: 0 5px;
+    background: #9b59b6;
+}

src/bar.cpp

@@ -7,6 +7,7 @@
 #include "modules/clock.hpp"
 #include "modules/workspaces.hpp"
 #include "modules/battery.hpp"
+#include "modules/memory.hpp"
 
 static void handle_geometry(void *data, struct wl_output *wl_output, int32_t x,
   int32_t y, int32_t physical_width, int32_t physical_height, int32_t subpixel,
@@ -147,9 +148,11 @@ auto waybar::Bar::setup_widgets() -> void
   auto &clock = *new waybar::modules::Clock();
   auto &workspace_selector = *new waybar::modules::WorkspaceSelector(*this);
   auto &battery = *new waybar::modules::Battery();
+  auto &memory = *new waybar::modules::Memory();
 
   left.pack_start(workspace_selector, false, true, 0);
   // center.pack_start(workspace_selector, true, false, 10);
   right.pack_end(clock, false, false, 0);
   right.pack_end(battery, false, false, 0);
+  right.pack_end(memory, false, false, 0);
 }

src/modules/memory.cpp

@@ -0,0 +1,20 @@
+#include "modules/memory.hpp"
+#include <iostream>
+
+waybar::modules::Memory::Memory()
+{
+  _label.get_style_context()->add_class("memory-widget");
+  _thread = [this] {
+    struct sysinfo info;
+    if (!sysinfo(&info)) {
+      double available = (double)info.freeram / (double)info.totalram;
+      std::cout << available << std::endl;
+      _label.set_text(fmt::format("{:.{}f}% ", available * 100, 1));
+    }
+    _thread.sleep_for(chrono::seconds(30));
+  };
+};
+
+waybar::modules::Memory::operator Gtk::Widget &() {
+  return _label;
+}