功能：接入Linux原生光标并完善设备接入工具

docs/evidence/native-cursor-20261105/focus.py

@@ -0,0 +1,96 @@
+"""Run only with the controlled GTK acceptance window filling the stream."""
+import ctypes as C
+import json
+import os
+from pathlib import Path
+import signal
+import statistics
+import struct
+import subprocess
+import time
+
+os.environ.update(DISPLAY=':0', XAUTHORITY='/home/armbian/.Xauthority')
+x = C.CDLL('libX11.so.6')
+fix = C.CDLL('libXfixes.so.3')
+test = C.CDLL('libXtst.so.6')
+class Cursor(C.Structure):
+    _fields_ = [('x', C.c_short), ('y', C.c_short), ('w', C.c_ushort),
+                ('h', C.c_ushort), ('hx', C.c_ushort), ('hy', C.c_ushort),
+                ('serial', C.c_ulong), ('pixels', C.POINTER(C.c_ulong)),
+                ('atom', C.c_ulong), ('name', C.c_char_p)]
+x.XOpenDisplay.argtypes = [C.c_char_p]
+x.XOpenDisplay.restype = C.c_void_p
+x.XDefaultRootWindow.argtypes = [C.c_void_p]
+x.XDefaultRootWindow.restype = C.c_ulong
+x.XFree.argtypes = [C.c_void_p]
+x.XSync.argtypes = [C.c_void_p, C.c_int]
+x.XWarpPointer.argtypes = [C.c_void_p, C.c_ulong, C.c_ulong, C.c_int,
+                           C.c_int, C.c_uint, C.c_uint, C.c_int, C.c_int]
+x.XGetImage.argtypes = [C.c_void_p, C.c_ulong, C.c_int, C.c_int,
+                        C.c_uint, C.c_uint, C.c_ulong, C.c_int]
+x.XGetImage.restype = C.c_void_p
+x.XGetPixel.argtypes = [C.c_void_p, C.c_int, C.c_int]
+x.XGetPixel.restype = C.c_ulong
+x.XDestroyImage.argtypes = [C.c_void_p]
+fix.XFixesGetCursorImage.argtypes = [C.c_void_p]
+fix.XFixesGetCursorImage.restype = C.POINTER(Cursor)
+test.XTestFakeButtonEvent.argtypes = [C.c_void_p, C.c_uint, C.c_int, C.c_ulong]
+d = x.XOpenDisplay(None)
+assert d
+root = x.XDefaultRootWindow(d)
+
+
+def native():
+    p = fix.XFixesGetCursorImage(d)
+    assert p
+    try:
+        c = p.contents
+        return dict(x=c.x, y=c.y, w=c.w, h=c.h, hx=c.hx, hy=c.hy,
+                    pixels=[int(c.pixels[i]) & 0xffffffff for i in range(c.w*c.h)])
+    finally:
+        x.XFree(p)
+
+
+def warp(px, py):
+    x.XWarpPointer(d, 0, root, 0, 0, 0, 0, px, py)
+    x.XSync(d, 0)
+
+
+def decoded_sequence():
+    im = x.XGetImage(d, root, 40, 1370, 640, 1, 0xffffffff, 2)
+    assert im
+    try:
+        values = [x.XGetPixel(im, i*40+20, 0) & 0xffffff for i in range(16)]
+        if any(0x202020 <= v <= 0xe0e0e0 for v in values):
+            return -1
+        return sum((1 << i) for i, v in enumerate(values) if v > 0xe0e0e0)
+    finally:
+        x.XDestroyImage(im)
+
+
+def flat_video_crop(px, py):
+    im = x.XGetImage(d, root, px-40, py-40, 100, 100, 0xffffffff, 2)
+    assert im
+    try:
+        pixels = [x.XGetPixel(im, a, b) & 0xffffff for b in range(100) for a in range(100)]
+        # No baked-in pointer: uniform acceptance-window background at this point.
+        ref = pixels[0]
+        bad = sum(any(abs(((v >> s) & 255) - ((ref >> s) & 255)) > 8
+                      for s in (0, 8, 16)) for v in pixels)
+        return dict(reference=ref, nonuniform_pixels=bad)
+    finally:
+        x.XDestroyImage(im)
+
+
+
+focus=C.c_ulong();revert=C.c_int()
+x.XGetInputFocus.argtypes=[C.c_void_p,C.POINTER(C.c_ulong),C.POINTER(C.c_int)]
+x.XSetInputFocus.argtypes=[C.c_void_p,C.c_ulong,C.c_int,C.c_ulong]
+x.XGetInputFocus(d,C.byref(focus),C.byref(revert))
+before=native()
+try:
+ x.XSetInputFocus(d,0,1,0);x.XSync(d,0);time.sleep(.25);unfocused=native()
+finally:
+ x.XSetInputFocus(d,focus.value,revert.value,0);x.XSync(d,0)
+time.sleep(.3);after=native()
+print(json.dumps(dict(original_focus=focus.value,unfocused_shape_changed=before['pixels']!=unfocused['pixels'],native_restored=before['pixels']==after['pixels'],position=[after['x'],after['y']])))