From eb77dd5c0fda7854bb0ea3656285a6cf0c0932c1 Mon Sep 17 00:00:00 2001
From: Laurent LAPORTE <laurent.laporte.pro@gmail.com>
Date: Wed, 15 May 2024 10:56:49 +0200
Subject: [PATCH] feat: add `DialogUnit` functional object

---
 src/antares_web_installer/dialog_unit.py | 45 ++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 src/antares_web_installer/dialog_unit.py

diff --git a/src/antares_web_installer/dialog_unit.py b/src/antares_web_installer/dialog_unit.py
new file mode 100644
index 0000000..e91518a
--- /dev/null
+++ b/src/antares_web_installer/dialog_unit.py
@@ -0,0 +1,45 @@
+import tkinter as tk
+
+
+class DialogUnit:
+    """
+    Dialog units are Windows' standard way of measuring distance on screen.
+
+    Dialog units are defined as one-quarter the average character width by one-eighth
+    the average character height of the default font used on a window
+    (creating a roughly square unit of measurement).
+    """
+
+    def __init__(self, window):
+        pixels = window.winfo_fpixels("9p")
+        self.char_width = pixels / 4
+        self.char_height = pixels / 4
+
+    def __call__(self, width_du, height_du):
+        return int(self.char_width * width_du), int(self.char_height * height_du)
+
+
+if __name__ == '__main__':
+    # Créer la fenêtre principale
+    root = tk.Tk()
+
+    # Attendre que la fenêtre soit mise à jour pour obtenir des mesures précises
+    root.update_idletasks()
+
+    du = DialogUnit(root)
+
+    # Convertir les unités de dialogue en pixels
+    width_px, height_px = du(317, 193)
+
+    # Créer une nouvelle fenêtre de dialogue
+    root.title("Message de bienvenue")
+
+    # Définir la taille de la fenêtre de dialogue
+    root.geometry(f"{width_px}x{height_px}")
+
+    # Ajouter un message de bienvenue
+    message = tk.Label(root, text="Bienvenue")
+    message.pack(expand=True)
+
+    # Exécuter l'application
+    root.mainloop()