def show_desktop(b):
#not defined in win32con..
MIN_ALL = 419
MIN_ALL_UNDO = 416
if bool(b):
v = MIN_ALL
else:
v = MIN_ALL_UNDO
try:
root = FindWindowA("Shell_TrayWnd", None)
assert root is not None, "cannot find 'Shell_TrayWnd'"
SendMessageA(root, win32con.WM_COMMAND, v, 0)
except Exception as e:
log.warn("failed to call show_desktop(%s): %s", b, e)
def get_shape_rectangles(self, logit=False):
#get the list of windows
l = log
if logit or envbool("XPRA_SHAPE_DEBUG", False):
l = shapelog
taskbar = FindWindowA("Shell_TrayWnd", None)
l("taskbar window=%#x", taskbar)
ourpid = os.getpid()
l("our pid=%i", ourpid)
rectangles = []
def enum_windows_cb(hwnd, lparam):
if not IsWindowVisible(hwnd):
l("skipped invisible window %#x", hwnd)
return True
pid = c_int()
thread_id = GetWindowThreadProcessId(hwnd, byref(pid))
if pid == ourpid:
l("skipped our own window %#x", hwnd)
return True
#skipping IsWindowEnabled check
length = GetWindowTextLengthW(hwnd)
buf = create_unicode_buffer(length + 1)
if GetWindowTextW(hwnd, buf, length + 1) > 0:
window_title = buf.value
else:
window_title = ''
l(
"get_shape_rectangles() found window '%s' with pid=%i and thread id=%i",
window_title, pid, thread_id)
rect = RECT()
if GetWindowRect(hwnd, byref(rect)) == 0:
l("GetWindowRect failure")
return True
left, top, right, bottom = rect.left, rect.top, rect.right, rect.bottom
if right < 0 or bottom < 0:
l("skipped offscreen window at %ix%i", right, bottom)
return True
if hwnd == taskbar:
l("skipped taskbar")
return True
#dirty way:
if window_title == 'Program Manager':
return True
#this should be the proper way using GetTitleBarInfo (but does not seem to work)
#import ctypes
#from ctypes.windll.user32 import GetTitleBarInfo #@UnresolvedImport
#from ctypes.wintypes import (DWORD, RECT)
#class TITLEBARINFO(ctypes.Structure):
# pass
#TITLEBARINFO._fields_ = [
# ('cbSize', DWORD),
# ('rcTitleBar', RECT),
# ('rgstate', DWORD * 6),
#]
#ti = TITLEBARINFO()
#ti.cbSize = sizeof(ti)
#GetTitleBarInfo(hwnd, byref(ti))
#if ti.rgstate[0] & win32con.STATE_SYSTEM_INVISIBLE:
# log("skipped system invisible window")
# return True
w = right - left
h = bottom - top
l("shape(%s - %#x)=%s", window_title, hwnd, (left, top, w, h))
if w <= 0 and h <= 0:
l("skipped invalid window size: %ix%i", w, h)
return True
if left == -32000 and top == -32000:
#there must be a better way of skipping those - I haven't found it
l("skipped special window")
return True
#now clip rectangle:
if left < 0:
left = 0
w = right
if top < 0:
top = 0
h = bottom
rectangles.append((left, top, w, h))
return True
EnumWindows(EnumWindowsProc(enum_windows_cb))
l("get_shape_rectangles()=%s", rectangles)
return sorted(rectangles)
def makeDynamicWindowModels(self):
assert self.window_matches
ourpid = os.getpid()
taskbar = FindWindowA("Shell_TrayWnd", None)
windows = {}
def enum_windows_cb(hwnd, lparam):
if not IsWindowVisible(hwnd):
log("window %#x is not visible", hwnd)
return True
pid = c_ulong()
thread_id = GetWindowThreadProcessId(hwnd, byref(pid))
if pid==ourpid:
log("skipped our own window %#x, thread id=%#x", hwnd, thread_id)
return True
rect = RECT()
if GetWindowRect(hwnd, byref(rect))==0:
log("GetWindowRect failure")
return True
if hwnd==taskbar:
log("skipped taskbar")
return True
#skipping IsWindowEnabled check
length = GetWindowTextLengthW(hwnd)
buf = create_unicode_buffer(length+1)
if GetWindowTextW(hwnd, buf, length+1)>0:
window_title = buf.value
else:
window_title = ''
left, top, right, bottom = rect.left, rect.top, rect.right, rect.bottom
w = right-left
h = bottom-top
if left<=-32000 or top<=-32000:
log("%r is not visible: %s", window_title, (left, top, w, h))
if w<=0 and h<=0:
log("skipped invalid window size: %ix%i", w, h)
return True
windows[hwnd] = (window_title, (left, top, w, h))
return True
EnumWindows(EnumWindowsProc(enum_windows_cb), 0)
log("makeDynamicWindowModels() windows=%s", windows)
models = []
def add_model(hwnd, title, geometry):
model = Win32ShadowModel(self.root, self.capture, title=title, geometry=geometry)
model.hwnd = hwnd
models.append(model)
for m in self.window_matches:
window = None
try:
if m.startswith("0x"):
hwnd = int(m, 16)
else:
hwnd = int(m)
if hwnd:
window = windows.pop(hwnd, None)
if window:
add_model(hwnd, *window)
except ValueError:
namere = re.compile(m, re.IGNORECASE)
for hwnd, window in tuple(windows.items()):
title, geometry = window
if namere.match(title):
add_model(hwnd, title, geometry)
windows.pop(hwnd)
log("makeDynamicWindowModels()=%s", models)
return models