From c57ff8024d70d8df3a76f0c99a2c72d33e3e81dc Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Fri, 9 Jan 2026 02:23:41 +0300
Subject: [PATCH] add display info

---
 build_info.py                   | 18 ++++++++++++++++++
 screens/setting/about_screen.py | 17 ++++++++++++++++-
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/build_info.py b/build_info.py
index 9390ffe..761fedd 100644
--- a/build_info.py
+++ b/build_info.py
@@ -139,3 +139,21 @@ def get_cpu_temp() -> str:
         except (OSError, ValueError):
             continue
     return "—"
+
+
+def get_display_resolution() -> str:
+    for path in ("/sys/class/graphics/fb0/virtual_size", "/sys/class/graphics/fb0/modes"):
+        try:
+            with open(path, "r", encoding="utf-8") as f:
+                raw = f.read().strip()
+            if not raw:
+                continue
+            if "x" in raw:
+                first_line = raw.splitlines()[0]
+                return first_line.split(" ", 1)[0]
+            if "," in raw:
+                width, height = raw.split(",", 1)
+                return f"{width.strip()}x{height.strip()}"
+        except OSError:
+            continue
+    return "—"
diff --git a/screens/setting/about_screen.py b/screens/setting/about_screen.py
index ec081bb..9d62c73 100644
--- a/screens/setting/about_screen.py
+++ b/screens/setting/about_screen.py
@@ -6,7 +6,7 @@ from PySide6.QtWidgets import (
     QScrollArea,
 )
 from PySide6.QtCore import Qt
-from PySide6.QtGui import QFont
+from PySide6.QtGui import QFont, QGuiApplication
 from PySide6.QtWidgets import QScroller
 import build_info
 
@@ -47,6 +47,8 @@ def build_about_screen() -> QWidget:
     info.addWidget(_info_row("Ядро", build_info.get_kernel_version()))
     info.addWidget(_info_row("RAM (используется/всего)", build_info.get_ram_info()))
     info.addWidget(_info_row("Диск (используется/всего)", build_info.get_disk_info()))
+    info.addWidget(_info_row("Экран", build_info.get_display_resolution()))
+    info.addWidget(_info_row("Экран (факт)", _get_runtime_resolution()))
     info.addWidget(_info_row("Серийный номер", build_info.get_serial_number()))
     info.addWidget(_info_row("IP", build_info.get_ip_address()))
     info.addWidget(_info_row("Температура CPU", build_info.get_cpu_temp()))
@@ -76,3 +78,16 @@ def _info_row(label: str, value: str) -> QWidget:
     layout.addStretch(1)
     layout.addWidget(val)
     return row
+
+
+def _get_runtime_resolution() -> str:
+    app = QGuiApplication.instance()
+    if app is None:
+        return "—"
+    screen = app.primaryScreen()
+    if screen is None:
+        return "—"
+    size = screen.size()
+    if size.isEmpty():
+        return "—"
+    return f"{size.width()}x{size.height()}"