Parsing home directory from the operating system dynamically

include/Macros.h

@@ -1,7 +1,7 @@
 #ifndef MACROS_H
 #define MACROS_H
 
-#define HYPRLAND_CONF_DIR "/home/typo/.config/hypr/"
+#define HYPRLAND_CONF_DIR ".config/hypr/"
 #define FLOATING_RULE_CONF_FILE HYPRLAND_CONF_DIR "hyprland/floatbydefault.conf"
 
 #define HYPRCTL_BINARY "/usr/bin/hyprctl"
@@ -10,7 +10,5 @@
 #define CAT_PATH "/usr/bin/cat"
 
 #define FLOATING_RULE "windowrule = float,class:.*"
-#define SET_FLOATING_RULE ECHO_PATH " 'windowrule = float,class:.*' > " FLOATING_RULE_CONF_FILE
-#define REMOVE_FLOATING_RULE CAT_PATH " " NULL_PATH " > " FLOATING_RULE_CONF_FILE
 
 #endif

include/ShellService.h

@@ -6,6 +6,7 @@
 class ShellService {
     public:
         static std::string exec(const std::string& command);
+        static std::string getHomePath();
 };
 
 #endif

src/HyprlandService.cpp

@@ -45,13 +45,13 @@ void HyprlandService::toggleClientFloating(Client& c) {
 
 void HyprlandService::setFloatingRule(bool b) {
   if (b) {
-    FileServices::createOrOverwriteFile(FLOATING_RULE_CONF_FILE, FLOATING_RULE);
+    FileServices::createOrOverwriteFile(ShellService::getHomePath()+FLOATING_RULE_CONF_FILE, FLOATING_RULE);
   }
   else {
-    FileServices::emptyFile(FLOATING_RULE_CONF_FILE);
+    FileServices::emptyFile(ShellService::getHomePath()+FLOATING_RULE_CONF_FILE);
   }
 };
 
 bool HyprlandService::isFloatingRulePresent() {
-  return FileServices::doesNonEmptyFileExist(FLOATING_RULE_CONF_FILE);
+  return FileServices::doesNonEmptyFileExist(ShellService::getHomePath()+FLOATING_RULE_CONF_FILE);
 };

src/ShellService.cpp

@@ -1,4 +1,6 @@
 #include "../include/ShellService.h"
+#include <pwd.h>
+#include <unistd.h>
 
 std::string ShellService::exec(const std::string& command) {
   char buffer[128];
@@ -19,4 +21,22 @@ std::string ShellService::exec(const std::string& command) {
   }
 
   return result;
-};
+};
+
+std::string ShellService::getHomePath()
+{
+  char* home = getenv("HOME");
+  if (home && *home) {
+      return std::string(home);
+  }
+
+  // Fallback: try to get home directory from passwd if HOME is not set
+  // This assumes that the 'htt' process is ran with the user as the process owner. Should it be run with systemd or some other wonky method, it will behave unexpectedly
+  struct passwd* pw = getpwuid(getuid());
+  if (pw && pw->pw_dir) {
+      return std::string(pw->pw_dir);
+  }
+
+  // As a last resort, exit
+  exit(1);
+}