add hyprland socket support

.clang-format

@@ -0,0 +1,22 @@
+BasedOnStyle: LLVM
+IndentWidth: 4
+AlignConsecutiveAssignments: true
+AlignEscapedNewlines: Left
+AlignTrailingComments: Always
+BreakBeforeBraces: Allman
+ColumnLimit: 0
+MaxEmptyLinesToKeep: 1
+InsertNewlineAtEOF: true
+BreakBeforeBinaryOperators: NonAssignment
+BinPackArguments: false
+PenaltyBreakBeforeFirstCallParameter: 1000
+ContinuationIndentWidth: 4 # Adjust the indent width for continuation lines
+
+IncludeCategories:
+  - Regex: '^(<.+>)$'
+    Priority: 1
+  - Regex: '^"(.+\.hpp)"$'
+    Priority: 2
+  - Regex: '.*'
+    Priority: 3
+IncludeBlocks: Regroup

CMakeLists.txt

@@ -20,6 +20,7 @@ target_sources(bar_lib
     PUBLIC
         src/bar.cpp
         src/widgets/clock.cpp
+        src/services/hyprland.cpp
 )
 include_directories(bar_lib PRIVATE 
     include

include/bar.hpp

@@ -1,17 +1,19 @@
 #pragma once
 
-#include <gtkmm.h>
 #include <gtk4-layer-shell/gtk4-layer-shell.h>
+#include <gtkmm.h>
 
+#include "services/hyprland.hpp"
 #include "widgets/clock.hpp"
 
-
-class Bar : public Gtk::Window {
-public:
+class Bar : public Gtk::Window
+{
+  public:
     Bar();
 
-protected:
+  protected:
     Clock clock;
+    HyprlandService hyprland;
     Gtk::CenterBox main_box{};
 
     void setup_ui();

include/services/hyprland.hpp

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <glibmm.h>
+#include <sigc++/sigc++.h>
+#include <string>
+
+class HyprlandService
+{
+  public:
+    HyprlandService();
+    ~HyprlandService();
+
+    // Setup the connection
+    void start();
+
+    // Signal that emits (EventName, EventData)
+    // Example: emits ("workspace", "1")
+    sigc::signal<void(std::string, std::string)> on_event;
+    void on_hyprland_event(std::string event, std::string data);
+
+  private:
+    int m_fd = -1;        // File descriptor for the socket
+    std::string m_buffer; // Buffer to handle partial socket reads
+
+    bool on_socket_read(Glib::IOCondition condition);
+    void parse_message(const std::string &line);
+    std::string get_socket_path();
+};

include/widgets/clock.hpp

@@ -1,12 +1,13 @@
 #pragma once
 
-#include <gtkmm/label.h>
-#include <gtkmm.h>
 #include <gtk4-layer-shell/gtk4-layer-shell.h>
+#include <gtkmm.h>
+#include <gtkmm/label.h>
 
 #include "interface/updateable.ipp"
 
-class Clock : public Gtk::Label, public IUpdatable {
-public:
+class Clock : public Gtk::Label, public IUpdatable
+{
+  public:
     bool onUpdate();
-};
+};

main.cpp

@@ -1,6 +1,7 @@
 #include "bar.hpp"
 
-int main(int argc, char* argv[]) {
+int main(int argc, char *argv[])
+{
     auto app = Gtk::Application::create("org.example.mybar");
 
     return app->make_window_and_run<Bar>(argc, argv);

src/bar.cpp

@@ -1,14 +1,16 @@
-#include <ctime>
+#include "bar.hpp"
 
 #include <gtkmm/enums.h>
 #include <gtkmm/label.h>
 
-#include "bar.hpp"
-#include "glibmm/main.h"
-#include "sigc++/functors/mem_fun.h"
+#include "services/hyprland.hpp"
 #include "widgets/clock.hpp"
 
-Bar::Bar() {
+#include "glibmm/main.h"
+#include "sigc++/functors/mem_fun.h"
+
+Bar::Bar()
+{
     gtk_layer_init_for_window(this->gobj());
 
     gtk_layer_set_anchor(this->gobj(), GTK_LAYER_SHELL_EDGE_TOP, true);
@@ -26,18 +28,22 @@ Bar::Bar() {
 
     Glib::signal_timeout().connect(
         sigc::mem_fun(
-            this->clock, 
-            &Clock::onUpdate
-        ), 
-        1000
-    );
+            this->clock,
+            &Clock::onUpdate),
+        1000);
+
+    hyprland.on_event.connect(
+        sigc::mem_fun(this->hyprland, &HyprlandService::on_hyprland_event));
+
+    hyprland.start();
 }
 
-void Bar::setup_ui() {
+void Bar::setup_ui()
+{
     Gtk::Box left_box{Gtk::Orientation::HORIZONTAL};
     Gtk::Box center_box{Gtk::Orientation::HORIZONTAL};
     Gtk::Box right_box{Gtk::Orientation::HORIZONTAL};
-    
+
     main_box.set_start_widget(left_box);
     main_box.set_center_widget(center_box);
     main_box.set_end_widget(right_box);
@@ -45,24 +51,22 @@ void Bar::setup_ui() {
     Gtk::Label labelLeft("labelLeft");
     Gtk::Label labelRight("labelRight");
 
-
     left_box.append(labelLeft);
     center_box.append(clock);
     right_box.append(labelRight);
 }
 
-void Bar::load_css() {
+void Bar::load_css()
+{
     auto css_provider = Gtk::CssProvider::create();
-    
+
     css_provider->load_from_data(R"(
         window { background-color: #222; color: #fff; }
         #clock-label { font-weight: bold; font-family: monospace; }
     )");
-    
+
     Gtk::StyleContext::add_provider_for_display(
         Gdk::Display::get_default(),
         css_provider,
-        GTK_STYLE_PROVIDER_PRIORITY_APPLICATION
-    );
+        GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
 }
-

src/services/hyprland.cpp

@@ -0,0 +1,134 @@
+#include "services/hyprland.hpp"
+
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <unistd.h>
+
+HyprlandService::HyprlandService() {}
+
+HyprlandService::~HyprlandService()
+{
+    if (m_fd != -1)
+    {
+        close(m_fd);
+    }
+}
+
+void HyprlandService::on_hyprland_event(std::string event, std::string data)
+{
+    if (event == "workspace")
+    {
+        std::cout << "Switched to workspace: " << data << std::endl;
+        // Update your UI here...
+    }
+    else if (event == "activewindow")
+    {
+        std::cout << "Active window changed" << std::endl;
+    }
+}
+
+void HyprlandService::start()
+{
+    std::string socket_path = get_socket_path();
+    if (socket_path.empty())
+        return;
+
+    // 1. Create Socket
+    m_fd = socket(AF_UNIX, SOCK_STREAM, 0);
+    if (m_fd == -1)
+    {
+        std::cerr << "[Hyprland] Failed to create socket" << std::endl;
+        return;
+    }
+
+    // 2. Connect
+    struct sockaddr_un addr;
+    memset(&addr, 0, sizeof(addr));
+    addr.sun_family = AF_UNIX;
+    strncpy(addr.sun_path, socket_path.c_str(), sizeof(addr.sun_path) - 1);
+
+    if (connect(m_fd, (struct sockaddr *)&addr, sizeof(addr)) == -1)
+    {
+        std::cerr << "[Hyprland] Failed to connect to " << socket_path << std::endl;
+        close(m_fd);
+        m_fd = -1;
+        return;
+    }
+
+    std::cout << "[Hyprland] Connected to event socket." << std::endl;
+
+    // 3. Register with GLib Main Loop
+    // This tells GTK to call 'on_socket_read' whenever there is data to read
+    Glib::signal_io().connect(
+        sigc::mem_fun(*this, &HyprlandService::on_socket_read),
+        m_fd,
+        Glib::IOCondition::IO_IN | Glib::IOCondition::IO_HUP | Glib::IOCondition::IO_ERR);
+}
+
+bool HyprlandService::on_socket_read(Glib::IOCondition condition)
+{
+    // Handle disconnection or errors
+    auto error_mask = Glib::IOCondition::IO_HUP | Glib::IOCondition::IO_ERR;
+
+    // 2. Perform the bitwise AND, then cast to int to check if non-zero
+    if (static_cast<int>(condition & error_mask) != 0)
+    {
+        std::cerr << "[Hyprland] Socket disconnected." << std::endl;
+        close(m_fd);
+        m_fd = -1;
+        return false;
+    }
+    // Read data
+    char buffer[4096];
+    ssize_t bytes_read = read(m_fd, buffer, sizeof(buffer) - 1);
+
+    if (bytes_read > 0)
+    {
+        buffer[bytes_read] = '\0';
+        m_buffer.append(buffer);
+
+        // Process line by line
+        size_t pos = 0;
+        while ((pos = m_buffer.find('\n')) != std::string::npos)
+        {
+            std::string line = m_buffer.substr(0, pos);
+            parse_message(line);
+            m_buffer.erase(0, pos + 1);
+        }
+    }
+
+    return true; // Continue listening
+}
+
+void HyprlandService::parse_message(const std::string &line)
+{
+    // Hyprland events look like: "event>>data"
+    // Example: "workspace>>1" or "activewindow>>550a12,firefox"
+    size_t split = line.find(">>");
+    if (split != std::string::npos)
+    {
+        std::string event_name = line.substr(0, split);
+        std::string event_data = line.substr(split + 2);
+
+        // Emit the signal
+        on_event.emit(event_name, event_data);
+    }
+}
+
+std::string HyprlandService::get_socket_path()
+{
+    const char *sig     = std::getenv("HYPRLAND_INSTANCE_SIGNATURE");
+    const char *runtime = std::getenv("XDG_RUNTIME_DIR");
+
+    if (!sig || !runtime)
+    {
+        std::cerr << "[Hyprland] Environment variables missing!" << std::endl;
+        return "";
+    }
+
+    // Path format: $XDG_RUNTIME_DIR/hypr/$SIGNATURE/.socket2.sock
+    return std::string(runtime) + "/hypr/" + sig + "/.socket2.sock";
+}

src/widgets/clock.cpp

@@ -3,13 +3,14 @@
 #include <chrono>
 #include <iomanip>
 
-bool Clock::onUpdate() {
+bool Clock::onUpdate()
+{
     auto now = std::chrono::system_clock::to_time_t(std::chrono::system_clock::now());
-    
+
     std::stringstream ss;
     ss << std::put_time(std::localtime(&now), "%H:%M:%S");
 
     set_text(ss.str());
 
     return true;
-}
+}