diff --git a/src/clangformat.py b/src/clangformat.py
index 4706664..ba46920 100644
--- a/src/clangformat.py
+++ b/src/clangformat.py
@@ -5,7 +5,7 @@ import sys
 from src.errors import ClangError
 
 
-def clang_format(file_path) -> str:
+def clang_format(file_path) -> tuple[str, str]:
     command = ["clang-format", "--dry-run", file_path]
     try:
         output = subprocess.check_output(command, stderr=subprocess.STDOUT, text=True)
@@ -20,10 +20,11 @@ def clang_format(file_path) -> str:
         )
         exit(1)
 
-    return output
+    return file_path, output
 
 
-def parse_clang_format_output(output) -> list[ClangError]:
+def parse_clang_format_output(data) -> list[ClangError]:
+    filename, output = data
     error_pattern = (
         r"(?P<filename>.+):(?P<line_number>\d+):(?P<column_number>\d+)"
         r": warning: code should be clang-formatted \[(?P<warning_message>.+)\]"
@@ -49,4 +50,7 @@ def parse_clang_format_output(output) -> list[ClangError]:
             )
         )
 
+    if not errors:
+        return [ClangError(filename)]
+
     return errors
diff --git a/src/errors.py b/src/errors.py
index 2e49042..fcc6051 100644
--- a/src/errors.py
+++ b/src/errors.py
@@ -1,11 +1,14 @@
+from typing import Union
+
+
 class ClangError:
     def __init__(
         self,
         filename: str,
-        line_number: int,
-        column_number: int,
-        warning_message: str,
-        warning_content: str,
+        line_number: Union[int, None] = None,
+        column_number: Union[int, None] = None,
+        warning_message: Union[str, None] = None,
+        warning_content: Union[str, None] = None,
     ) -> None:
         self._filename = filename
         self._line_number = line_number
@@ -19,21 +22,26 @@ class ClangError:
         return self._filename
 
     @property
-    def line_number(self) -> int:
+    def line_number(self) -> Union[int, None]:
         """Sur quelle ligne se situe l'erreur"""
         return self._line_number
 
     @property
-    def column_number(self) -> int:
+    def column_number(self) -> Union[int, None]:
         """Où se situe l'erreur sur la ligne"""
         return self._column_number
 
     @property
-    def warning_message(self) -> str:
+    def warning_message(self) -> Union[str, None]:
         """Quelle est le nom de l'erreur"""
         return self._warning_message
 
     @property
-    def warning_content(self) -> str:
+    def warning_content(self) -> Union[str, None]:
         """Quelle est le contenu de l'erreur"""
         return self._warning_content
+
+    @property
+    def clean(self) -> bool:
+        """Vérifie s'il y a des erreurs"""
+        return self._warning_message is None
diff --git a/src/gui.py b/src/gui.py
index 653b4cc..7adebf6 100644
--- a/src/gui.py
+++ b/src/gui.py
@@ -3,6 +3,7 @@ from tkinter import Button, Frame, Label, Tk, Toplevel
 from tkinter.filedialog import askdirectory, askopenfile
 
 from src.clangformat import clang_format, parse_clang_format_output
+from src.errors import ClangError
 from src.utils import analyze_args, exts_list
 
 
@@ -97,7 +98,7 @@ class GUI:
         data = []
         for file in files:
             clang_format_output = clang_format(file)
-            data.append((file, parse_clang_format_output(clang_format_output)))
+            data += parse_clang_format_output(clang_format_output)
         self._pager(1, data, start_row)
 
     def _reset_frame(self) -> None:
@@ -106,47 +107,46 @@ class GUI:
         self.f = Frame(self.parent)
         self.f.grid(columnspan=self.columnspan)
 
-    def _pager(self, num_page: int, errors: list, start_row: int) -> None:
+    def _pager(self, num_page: int, errors: list[ClangError], start_row: int) -> None:
         self._reset_frame()
 
         idx = start_row
-        elem_per_page = 5
-        for file, error in errors:
-            if error:
-                for error in error[
-                    elem_per_page * (num_page - 1) : elem_per_page * num_page
-                ]:
-                    Button(
-                        self.f,
-                        text=f"Avertissement dans {error.filename} "
-                        f"à la ligne {error.line_number}, "
-                        f"caractère {error.column_number}.",
-                        borderwidth=0,
-                        bg="SandyBrown",
-                        activebackground="Goldenrod",
-                        command=lambda: self._show_info(
-                            error.warning_message, error.warning_content
-                        ),
-                    ).grid(column=0, row=idx, columnspan=self.columnspan)
-                    idx += 1
+        elem_per_page = 10
+        for error in errors[elem_per_page * (num_page - 1) : elem_per_page * num_page]:
+            if not error.clean:
+                Button(
+                    self.f,
+                    text=f"Avertissement dans {error.filename} "
+                    f"à la ligne {error.line_number}, "
+                    f"caractère {error.column_number}.",
+                    borderwidth=0,
+                    bg="SandyBrown",
+                    activebackground="Goldenrod",
+                    command=lambda: self._show_info(
+                        str(error.warning_message), str(error.warning_content)
+                    ),
+                ).grid(column=0, row=idx, columnspan=self.columnspan)
+                idx += 1
             else:
                 Label(
                     self.f,
                     bg="MediumSpringGreen",
-                    text=f"Aucun avertissement trouvé dans {file}.",
+                    text=f"Aucun avertissement trouvé dans {error.filename}.",
                 ).grid(column=0, row=idx, columnspan=self.columnspan)
                 idx += 1
 
-        Button(
-            self.f,
-            text="< Page précédente",
-            command=lambda: print("avant"),
-        ).grid(column=0, row=idx)
-        Label(self.f, text=f"Page {num_page}/{1 + len(errors) // elem_per_page}").grid(
-            column=1, row=idx
-        )
-        Button(
-            self.f,
-            text="Page suivante >",
-            command=lambda: print("apres"),
-        ).grid(column=2, row=idx)
+        page_max = 1 + len(errors) // elem_per_page
+        if page_max > 1:
+            Button(
+                self.f,
+                text="< Page précédente",
+                state="disabled" if num_page <= 1 else "normal",
+                command=lambda: self._pager(num_page - 1, errors, start_row),
+            ).grid(column=0, row=idx)
+            Label(self.f, text=f"Page {num_page}/{page_max}").grid(column=1, row=idx)
+            Button(
+                self.f,
+                text="Page suivante >",
+                state="disabled" if num_page >= page_max else "normal",
+                command=lambda: self._pager(num_page + 1, errors, start_row),
+            ).grid(column=2, row=idx)