def pointer_grab(window, *args):
hwnd = get_window_handle(window)
grablog("pointer_grab%s window=%s, hwnd=%s", args, window, hwnd)
if not hwnd:
window._client.pointer_grabbed = None
return
wrect = RECT()
GetWindowRect(hwnd, byref(wrect))
grablog("GetWindowRect(%i)=%s", hwnd, wrect)
if DwmGetWindowAttribute:
# Vista & 7 stuff
rect = RECT()
DWMWA_EXTENDED_FRAME_BOUNDS = 9
DwmGetWindowAttribute(HWND(hwnd), DWORD(DWMWA_EXTENDED_FRAME_BOUNDS),
byref(rect), sizeof(rect))
#wx1,wy1,wx2,wy2 = rect.left, rect.top, rect.right, rect.bottom
grablog("DwmGetWindowAttribute: DWMWA_EXTENDED_FRAME_BOUNDS(%i)=%s",
hwnd, (rect.left, rect.top, rect.right, rect.bottom))
bx = GetSystemMetrics(win32con.SM_CXSIZEFRAME)
by = GetSystemMetrics(win32con.SM_CYSIZEFRAME)
top = by
style = GetWindowLongW(hwnd, win32con.GWL_STYLE)
if style & win32con.WS_CAPTION:
top += GetSystemMetrics(win32con.SM_CYCAPTION)
grablog(" window style=%s, SIZEFRAME=%s, top=%i", style_str(style),
(bx, by), top)
coords = wrect.left + bx, wrect.top + top, wrect.right - bx, wrect.bottom - by
clip = RECT(*coords)
r = ClipCursor(clip)
grablog("ClipCursor%s=%s", coords, r)
window._client.pointer_grabbed = window._id
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
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
