139 lines
4.9 KiB
Python
139 lines
4.9 KiB
Python
# Probe GUI render: spawn bridge, load Nexus, open GUI ch=5, dump window tree + screenshot.
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# Usage: python probe_gui.py [bridge_exe]
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import ctypes, ctypes.wintypes as w, struct, subprocess, sys, os, time, re
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sys.stdout.reconfigure(encoding='utf-8', errors='replace')
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SHM_NAME = "SonicForge_DAW_IPC_GUIPROBE"
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SIZE = 32768
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BRIDGE = sys.argv[1] if len(sys.argv) > 1 else r"C:\Users\locpham\SonicForgeStudio\native_bridge\build\Release\daw_vst_bridge.exe"
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LOG = os.path.join(os.path.dirname(os.path.abspath(__file__)), "probe_gui.log")
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NEXUS = r"C:\Program Files\Common Files\VST3\Nexus.vst3"
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AMPLE = r"C:\Program Files\Common Files\VST3\Ample Sound\ACDD.vst3"
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user32 = ctypes.windll.user32
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kernel32 = ctypes.windll.kernel32
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kernel32.CreateFileMappingA.argtypes = [ctypes.c_void_p, ctypes.c_void_p, ctypes.wintypes.DWORD, ctypes.wintypes.DWORD, ctypes.wintypes.DWORD, ctypes.c_char_p]
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kernel32.CreateFileMappingA.restype = ctypes.c_void_p
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kernel32.MapViewOfFile.argtypes = [ctypes.c_void_p, ctypes.wintypes.DWORD, ctypes.wintypes.DWORD, ctypes.wintypes.DWORD, ctypes.c_size_t]
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kernel32.MapViewOfFile.restype = ctypes.c_void_p
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INVALID_HANDLE_VALUE = ctypes.c_void_p(-1).value
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PAGE_READWRITE = 0x04
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FILE_MAP_ALL_ACCESS = 0xF001F
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hMap = kernel32.CreateFileMappingA(INVALID_HANDLE_VALUE, None, PAGE_READWRITE, 0, SIZE, SHM_NAME.encode())
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ptr = kernel32.MapViewOfFile(hMap, FILE_MAP_ALL_ACCESS, 0, 0, 0)
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def w32(off, fmt, *args):
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ctypes.memmove(ptr + off, struct.pack(fmt, *args), struct.calcsize(fmt))
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def write_control(type_, arg0, arg1, ch, path):
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for i in range(8):
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off = 2836 + i * 1040
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t = ctypes.c_uint32.from_address(ptr + off).value
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if t == 0:
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w32(off, 'IIII', type_, arg0, arg1, ch)
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if path:
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b = path.encode('utf-8')[:1023] + b'\x00'
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ctypes.memmove(ptr + off + 16, b, len(b))
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return i
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raise RuntimeError("control queue full")
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def push_controls(events):
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for i in range(8):
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w32(2836 + i * 1040, 'I', 0)
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for (type_, arg0, arg1, ch, path) in events:
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write_control(type_, arg0, arg1, ch, path)
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w32(11156, 'I', len(events)) # controlQueueCount — bridge drains only count entries
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proc = subprocess.Popen([BRIDGE, "--shm", SHM_NAME],
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env={**os.environ, "SF_SHM_NAME": SHM_NAME, "SF_PARENT_PID": str(os.getpid()),
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"SF_SAMPLE_RATE": "48000", "SF_BLOCK_SIZE": "256"},
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stdout=open(LOG, 'wb'), stderr=subprocess.STDOUT)
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time.sleep(1.5)
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def wait_log(pattern, timeout, since=0):
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t0 = time.time()
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while time.time() - t0 < timeout:
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try:
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with open(LOG, 'r', encoding='utf-8', errors='replace') as f:
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lines = f.readlines()
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for i in range(since, len(lines)):
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if pattern in lines[i]:
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return lines[i].strip(), i + 1
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except FileNotFoundError:
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pass
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time.sleep(0.2)
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return None, 0
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push_controls([(2, 0, 0, 5, NEXUS)])
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r, pos = wait_log("instrument loaded ch=5", 90)
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print("[load]", r)
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push_controls([(4, 0, 0, 5, "nexus")])
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r, pos = wait_log("GUI attached", 30)
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print("[open]", r)
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hwnd = None
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if r:
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m = re.search(r'hwnd=([0-9A-Fa-f]+)', r)
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if m:
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hwnd = int(m.group(1), 16)
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print("hwnd =", hex(hwnd) if hwnd else None)
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time.sleep(5) # let the editor paint
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def dump_tree(hwnd, depth=0):
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out = []
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buf = ctypes.create_unicode_buffer(256)
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user32.GetClassNameW(hwnd, buf, 256)
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user32.GetWindowTextW(hwnd, buf, 256)
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title = buf.value
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user32.GetClassNameW(hwnd, buf, 256)
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cls = buf.value
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r = w.RECT()
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user32.GetWindowRect(hwnd, ctypes.byref(r))
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vis = user32.IsWindowVisible(hwnd)
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out.append(f"{' '*depth}h={hwnd:08X} cls='{cls}' title='{title}' rect=({r.left},{r.top},{r.right},{r.bottom}) vis={vis}")
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children = []
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@ctypes.WINFUNCTYPE(w.BOOL, w.HWND, w.LPARAM)
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def cb(child, lp):
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children.append(child)
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return True
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user32.EnumChildWindows(hwnd, cb, 0)
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for c in children:
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out.extend(dump_tree(c, depth + 1))
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return out
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print("--- window tree ---")
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if hwnd:
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for ln in dump_tree(hwnd):
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print(ln)
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# screenshot
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if hwnd:
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r = w.RECT()
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user32.GetWindowRect(hwnd, ctypes.byref(r))
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wdt, hgt = r.right - r.left, r.bottom - r.top
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ps = f"""
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Add-Type -AssemblyName System.Drawing
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$bmp = New-Object System.Drawing.Bitmap({wdt}, {hgt})
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$g = [System.Drawing.Graphics]::FromImage($bmp)
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$g.CopyFromScreen({r.left}, {r.top}, 0, 0, $bmp.Size)
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$bmp.Save('C:/Users/locpham/SonicForgeStudio/native_bridge/debug/probe_gui.png')
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$g.Dispose(); $bmp.Dispose()
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"""
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subprocess.run(["powershell", "-NoProfile", "-Command", ps], check=False)
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print("screenshot saved probe_gui.png")
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# cleanup
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kernel32.UnmapViewOfFile.argtypes = [ctypes.c_void_p]
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kernel32.CloseHandle.argtypes = [ctypes.c_void_p]
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kernel32.UnmapViewOfFile(ptr)
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kernel32.CloseHandle(hMap)
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try:
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proc.terminate()
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except Exception:
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pass
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time.sleep(0.5)
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print("done")
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