First files added

gui/modules/core/blur.py

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+# source: https://github.com/Opticos/GWSL-Source/blob/master/blur.py,
+# https://www.cnblogs.com/zhiyiYo/p/14659981.html ,
+# https://github.com/ifwe/digsby/blob/master/digsby/src/gui/vista.py
+import platform
+import ctypes
+
+
+if platform.system() == 'Windows':
+    from ctypes.wintypes import DWORD, BOOL, HRGN, HWND
+
+    user32 = ctypes.windll.user32
+    dwm = ctypes.windll.dwmapi
+
+
+    class ACCENTPOLICY(ctypes.Structure):
+        _fields_ = [
+            ("AccentState", ctypes.c_uint),
+            ("AccentFlags", ctypes.c_uint),
+            ("GradientColor", ctypes.c_uint),
+            ("AnimationId", ctypes.c_uint)
+        ]
+
+
+    class WINDOWCOMPOSITIONATTRIBDATA(ctypes.Structure):
+        _fields_ = [
+            ("Attribute", ctypes.c_int),
+            ("Data", ctypes.POINTER(ctypes.c_int)),
+            ("SizeOfData", ctypes.c_size_t)
+        ]
+
+
+    class DWM_BLURBEHIND(ctypes.Structure):
+        _fields_ = [
+            ('dwFlags', DWORD),
+            ('fEnable', BOOL),
+            ('hRgnBlur', HRGN),
+            ('fTransitionOnMaximized', BOOL)
+        ]
+
+
+    class MARGINS(ctypes.Structure):
+        _fields_ = [("cxLeftWidth", ctypes.c_int),
+                    ("cxRightWidth", ctypes.c_int),
+                    ("cyTopHeight", ctypes.c_int),
+                    ("cyBottomHeight", ctypes.c_int)
+                    ]
+
+
+    SetWindowCompositionAttribute = user32.SetWindowCompositionAttribute
+    SetWindowCompositionAttribute.argtypes = (HWND, WINDOWCOMPOSITIONATTRIBDATA)
+    SetWindowCompositionAttribute.restype = ctypes.c_int
+
+
+def ExtendFrameIntoClientArea(hwnd):
+    margins = MARGINS(-1, -1, -1, -1)
+    dwm.DwmExtendFrameIntoClientArea(hwnd, ctypes.byref(margins))
+
+
+def Win7Blur(hwnd, Acrylic):
+    if not Acrylic:
+        DWM_BB_ENABLE = 0x01
+        bb = DWM_BLURBEHIND()
+        bb.dwFlags = DWM_BB_ENABLE
+        bb.fEnable = 1
+        bb.hRgnBlur = 1
+        dwm.DwmEnableBlurBehindWindow(hwnd, ctypes.byref(bb))
+    else:
+        ExtendFrameIntoClientArea(hwnd)
+
+
+def HEXtoRGBAint(HEX: str):
+    alpha = HEX[7:]
+    blue = HEX[5:7]
+    green = HEX[3:5]
+    red = HEX[1:3]
+
+    gradient_color = alpha + blue + green + red
+    return int(gradient_color, base=16)
+
+
+def blur(hwnd, hex_color=False, acrylic=False, dark=False):
+    accent = ACCENTPOLICY()
+    accent.AccentState = 3  # Default window Blur #ACCENT_ENABLE_BLURBEHIND
+
+    gradient_color = 0
+
+    if hex_color:
+        gradient_color = HEXtoRGBAint(hex_color)
+        accent.AccentFlags = 2  # Window Blur With Accent Color #ACCENT_ENABLE_TRANSPARENTGRADIENT
+
+    if acrylic:
+        accent.AccentState = 4  # UWP but LAG #ACCENT_ENABLE_ACRYLICBLURBEHIND
+        if not hex_color:  # UWP without color is translucent
+            accent.AccentFlags = 2
+            gradient_color = HEXtoRGBAint('#12121240')  # placeholder color
+
+    accent.GradientColor = gradient_color
+
+    data = WINDOWCOMPOSITIONATTRIBDATA()
+    data.Attribute = 19  # WCA_ACCENT_POLICY
+    data.SizeOfData = ctypes.sizeof(accent)
+    data.Data = ctypes.cast(ctypes.pointer(accent), ctypes.POINTER(ctypes.c_int))
+
+    SetWindowCompositionAttribute(int(hwnd), data)
+
+    if dark:
+        data.Attribute = 26  # WCA_USEDARKMODECOLORS
+        SetWindowCompositionAttribute(int(hwnd), data)
+
+
+def BlurLinux(WID):  # may not work in all distros (working in Deepin)
+    import os
+
+    c = "xprop -f _KDE_NET_WM_BLUR_BEHIND_REGION 32c -set _KDE_NET_WM_BLUR_BEHIND_REGION 0 -id " + str(WID)
+    os.system(c)
+
+
+def GlobalBlur(hwnd, hex_color=False, acrylic=False, dark=False):
+    release = platform.release()
+    system = platform.system()
+
+    if system == 'Windows':
+        if release == 'Vista':
+            Win7Blur(hwnd, acrylic)
+        else:
+            release = int(float(release))
+            if release == 10 or release == 8 or release == 11:
+                blur(hwnd, hex_color, acrylic, dark)
+            else:
+                Win7Blur(hwnd, acrylic)
+
+    if system == 'Linux':
+        BlurLinux(hwnd)