refactor

mucapy/utility.py

@@ -0,0 +1,94 @@
+import os
+import platform
+import winreg
+import ctypes
+from PyQt5.QtWidgets import QWidget, QApplication
+from PyQt5.QtCore import QEvent
+
+class conversion:
+    _symbols = ("B", "KiB", "MiB", "GiB", "TiB", "PiB")
+    _thresholds = [1 << (10 * i) for i in range(len(_symbols))]
+
+    @staticmethod
+    def bytes_to_human(n: int) -> str:
+        try:
+            n = int(n)
+        except Exception:
+            return str(n)
+
+        if n < 1024:
+            return f"{n} B"
+
+        thresholds = conversion._thresholds
+        symbols = conversion._symbols
+        i = min(len(thresholds) - 1, (n.bit_length() - 1) // 10)
+        val = n / thresholds[i]
+
+        # Pick a faster formatting branch
+        if val >= 100:
+            return f"{val:.0f} {symbols[i]}"
+        elif val >= 10:
+            return f"{val:.1f} {symbols[i]}"
+        else:
+            return f"{val:.2f} {symbols[i]}"
+
+class getpath:
+    @staticmethod
+    def resource_path(relative_path: str):
+        base_path = os.path.dirname(os.path.abspath(__file__))
+        return os.path.join(base_path, relative_path)
+
+class windows:   
+    @staticmethod
+    def is_windows_darkmode() -> bool:
+        if platform.system() != "Windows":
+            return False
+
+        try:
+            key_path = r"Software\Microsoft\Windows\CurrentVersion\Themes\Personalize"
+            with winreg.OpenKey(winreg.HKEY_CURRENT_USER, key_path) as key:
+                # 0 = dark mode, 1 = light mode
+                value, _ = winreg.QueryValueEx(key, "AppsUseLightTheme")
+                # print(f"AppsUseLightTheme: {value}")  # optional debug
+                return value == 0
+        except Exception as e:
+            print(f"Could not read Windows registry for dark mode: {e}")
+            return False
+    
+    @staticmethod
+    def set_dark_titlebar(widget: QWidget):
+        """Apply dark titlebar on Windows to any top-level window."""
+        if platform.system() != "Windows":
+            return
+        if not widget.isWindow():  # only top-level windows
+            return
+        if windows.is_windows_darkmode():
+            try:
+                hwnd = int(widget.winId())
+                DWMWA_USE_IMMERSIVE_DARK_MODE = 20
+                value = ctypes.c_int(1)
+                res = ctypes.windll.dwmapi.DwmSetWindowAttribute(
+                    hwnd,
+                    DWMWA_USE_IMMERSIVE_DARK_MODE,
+                    ctypes.byref(value),
+                    ctypes.sizeof(value)
+                )
+                if res != 0:
+                    # fallback for some Windows builds
+                    DWMWA_USE_IMMERSIVE_DARK_MODE = 19
+                    ctypes.windll.dwmapi.DwmSetWindowAttribute(
+                        hwnd,
+                        DWMWA_USE_IMMERSIVE_DARK_MODE,
+                        ctypes.byref(value),
+                        ctypes.sizeof(value)
+                    )
+            except Exception as e:
+                print("Failed to set dark titlebar:", e)
+
+class darkmodechildren(QApplication):
+    def notify(self, receiver, event):
+        # Only handle top-level windows
+        if isinstance(receiver, QWidget) and receiver.isWindow():
+            if event.type() == QEvent.WinIdChange:
+                windows.set_dark_titlebar(receiver)
+        return super().notify(receiver, event)