I can't take it anymore.

main.c

@@ -87,6 +87,36 @@ char *rzf_get_file_extension(const char *filename) {
   return (char *)(dot + 1);
 }
 
+bool rzf_is_text_file(const char *path) {
+  const char *ext = rzf_get_file_extension(path);
+  
+  // Common text file extensions
+  const char *text_exts[] = {
+    "txt", "c", "h", "cpp", "hpp", "cc", "cxx", "py", "js", "ts", "java",
+    "rb", "go", "rs", "sh", "bash", "zsh", "fish", "pl", "php", "html",
+    "htm", "css", "xml", "json", "yaml", "yml", "toml", "ini", "conf",
+    "cfg", "log", "md", "markdown", "rst", "tex", "vim", "el", "lisp",
+    "scm", "clj", "lua", "r", "m", "swift", "kt", "scala", "hs", "ml",
+    "fs", "pas", "d", "nim", "cr", "jl", "dart", "ex", "exs", "erl",
+    "hrl", "zig", "v", "sql", "cmake", "make", "dockerfile", "gitignore",
+    NULL
+  };
+  
+  // Check if it has no extension (often scripts or config files)
+  if (strlen(ext) == 0) {
+    return true;
+  }
+  
+  // Check against known text extensions
+  for (int i = 0; text_exts[i] != NULL; i++) {
+    if (strcasecmp(ext, text_exts[i]) == 0) {
+      return true;
+    }
+  }
+  
+  return false;
+}
+
 bool rzf_matches_file_type_filter(const char *path, const char *filter) {
   if (!filter || strlen(filter) < 2 || filter[0] != ':')
     return true;
@@ -582,9 +612,9 @@ void *rzf_indexing_worker_func(void *arg) {
         struct stat statbuf;
         if (lstat(path, &statbuf) == 0) {
           int is_dir = S_ISDIR(statbuf.st_mode);
-            char real[PATH_MAX];
-            if (realpath(path, real) == NULL)       /* canonical, absolute path */
-                continue;
+          char real[PATH_MAX];
+          if (realpath(path, real) == NULL)
+            continue;
           local_batch[local_count].path = strdup(path);
           local_batch[local_count].lower_path = rzf_to_lower(path);
           if (!local_batch[local_count].path ||
@@ -1016,13 +1046,18 @@ char *rzf_run_interface(char **selected_file_path) {
             if (dir_path) free(dir_path);
           } else {
             // Open file
-                char abs[PATH_MAX];
-    if (realpath(files[file_idx].path, abs))
-        *selected_file_path = strdup(abs);     /* always absolute      */
-    else                                        /* fallback (shouldn't)*/
-        *selected_file_path = strdup(files[file_idx].path);
+            char abs[PATH_MAX];
+            if (realpath(files[file_idx].path, abs))
+              *selected_file_path = strdup(abs);
+            else
+              *selected_file_path = strdup(files[file_idx].path);
             
-            command = strdup("vim");
+            // Determine whether to use vim or xdg-open
+            if (rzf_is_text_file(*selected_file_path)) {
+              command = strdup("vim");
+            } else {
+              command = strdup("xdg-open");
+            }
             pthread_mutex_unlock(&files_mutex);
             goto end_loop;
           }
@@ -1032,7 +1067,6 @@ char *rzf_run_interface(char **selected_file_path) {
       }
       break;
 
-
     case 27:
     case 3:
       goto end_loop;
@@ -1581,13 +1615,44 @@ int main() {
   signal(SIGHUP, rzf_cleanup_terminal);
 
   pthread_create(&indexing_thread, NULL, rzf_indexing_thread_func, NULL);
+  
   char *file_to_open = NULL;
   char *command = rzf_run_interface(&file_to_open);
+  if (command && file_to_open) {
+    // Fork and execute
+    pid_t pid = fork();
+    if (pid == 0) {
+      // Child process
+      if (strcmp(command, "xdg-open") == 0) {
+        // For xdg-open, we need to detach from the terminal
+        setsid();
+        // Redirect stdout/stderr to /dev/null to avoid terminal corruption
+        freopen("/dev/null", "w", stdout);
+        freopen("/dev/null", "w", stderr);
+      }
+      
+      execlp(command, command, file_to_open, (char *)NULL);
+      perror("execlp failed");
+      exit(EXIT_FAILURE);
+    } else if (pid > 0) {
+      // Parent process
+      if (strcmp(command, "vim") == 0) {
+        // Wait for vim to finish
+        wait(NULL);
+      }
+      // For xdg-open, don't wait - let it run in background
+    } else {
+      perror("fork failed");
+    }
+  }
+    return 0;
+  // Clean up indexing thread
   if (indexing_started && !indexing_complete) {
     pthread_cancel(indexing_thread);
   }
   pthread_join(indexing_thread, NULL);
 
+  // Clean up queue
   pthread_mutex_lock(&queue_mutex);
   for (int i = 0; i < queue_count; i++) {
     int idx = (queue_head + i) % DIR_QUEUE_CAPACITY;
@@ -1598,35 +1663,24 @@ int main() {
   }
   pthread_mutex_unlock(&queue_mutex);
 
-  if (command && file_to_open) {
-    reset_shell_mode();
-    pid_t pid = fork();
-    if (pid == 0) {
-      char abs_path[PATH_MAX];
-      if (realpath(file_to_open, abs_path)) {
-        execlp("vim", "vim", abs_path, (char *)NULL);
-        perror("execlp failed");
-      } else
-        perror("realpath");
+  // Execute the command if we have one
     
-      exit(EXIT_FAILURE);
-    } else if (pid > 0) {
-      wait(NULL);
-    } else {
-      perror("fork failed");
-    }
+  // Clean up memory
+  if (file_to_open)
     free(file_to_open);
-  }
   if (command)
     free(command);
 
   rzf_free_files();
   rzf_free_bookmarks();
+  
+  // Destroy mutexes
   pthread_mutex_destroy(&files_mutex);
   pthread_mutex_destroy(&queue_mutex);
   pthread_mutex_destroy(&git_queue_mutex);
   pthread_mutex_destroy(&git_root_mutex);
   pthread_mutex_destroy(&preview_mutex);
   pthread_cond_destroy(&queue_cond);
+  
   return 0;
 }