def command_callback(hwnd, cid):
if cid == 1024:
from xpra.platform.win32.win32_balloon import notify
notify(hwnd, "hello", "world")
elif cid == 1025:
print("Goodbye")
DestroyWindow(hwnd)
else:
print("OnCommand for ID=%s" % cid)
def check_support(self, force_enable=False):
#create a temporary window to query opengl attributes:
hInst = GetModuleHandleA(0)
log("check_support() GetModuleHandleW()=%#x", hInst or 0)
classname = "Xpra Temporary Window for OpenGL"
wndc = WNDCLASSEX()
wndc.cbSize = sizeof(WNDCLASSEX)
wndc.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW
wndc.hInstance = hInst
wndc.hBrush = COLOR_WINDOW
wndc.lpszClassName = classname
wndc.lpfnWndProc = WNDPROC(DefWndProc)
reg_atom = RegisterClassExA(byref(wndc))
log("check_support() RegisterClassExW()=%#x", reg_atom or 0)
if not reg_atom:
return {
"info":
"disabled: failed to register window class, %s" %
FormatError()
}
style = WS_OVERLAPPED | WS_SYSMENU
window_name = "Xpra OpenGL Test"
self.hwnd = CreateWindowExA(0, reg_atom, window_name, style,
CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, 0, 0,
hInst, None)
log("check_support() CreateWindowExW()=%#x", self.hwnd or 0)
if not self.hwnd:
return {
"info":
"disabled: failed to create temporary window, %s" %
FormatError()
}
try:
self.context = self.create_wgl_context(self.hwnd)
with WGLWindowContext(self.hwnd, self.hdc, self.context):
props = check_PyOpenGL_support(force_enable)
props["display_mode"] = [
["SINGLE", "DOUBLE"][int(DOUBLE_BUFFERED)],
] #, "ALPHA"]
return props
finally:
hwnd = self.hwnd
self.destroy()
if hwnd and not DestroyWindow(hwnd):
log.warn(
"Warning: failed to destroy temporary OpenGL test window")
latom = c_void_p(reg_atom)
if not UnregisterClassW(cast(latom, LPCWSTR), hInst):
log.warn(
"Warning: failed to unregister class for OpenGL test window"
)
log.warn(" for class %r and module handle %#x:", classname,
hInst or 0)
log.warn(" '%s'", FormatError())
def cleanup_window(self):
w = self.window
if w:
self.window = None
RemoveClipboardFormatListener(w)
DestroyWindow(w)
wch = self.wndclass_handle
if wch:
self.wndclass = None
self.wndclass_handle = None
UnregisterClassW(clipboard_window_class_name, GetModuleHandleA(0))
def cleanup_window(self):
w = self.window
if w:
self.window = None
RemoveClipboardFormatListener(w)
DestroyWindow(w)
wch = self.wndclass_handle
if wch:
self.wndclass = None
self.wndclass_handle = None
UnregisterClassW(CLIPBOARD_WINDOW_CLASS_NAME, GetModuleHandleA(0))
def cleanup(self):
log("Win32EventListener.cleanup()")
self.event_callback = {}
hwnd = self.hwnd
if hwnd:
WTSUnRegisterSessionNotification(hwnd)
self.hwnd = None
try:
DestroyWindow(hwnd)
except Exception as e:
log.error("Error during cleanup of event window instance:")
log.error(" %s", e)
wc = self.wc
self.wc = None
try:
UnregisterClassW(wc.lpszClassName, wc.hInstance)
except Exception as e:
log.error("Error during cleanup of event window class:")
log.error(" %s", e)
def command_callback(hwnd, cid):
if cid == 1024:
from xpra.platform.win32.win32_balloon import notify
try:
from PIL import Image #@UnresolvedImport
from io import BytesIO
img = Image.open("icons\\printer.png")
buf = BytesIO()
img.save(buf, "PNG")
data = buf.getvalue()
buf.close()
icon = (b"png", img.size[0], img.size[1], data)
except Exception as e:
print("could not find icon: %s" % (e, ))
icon = None
else:
pass
notify(hwnd, 0, "hello", "world", timeout=1000, icon=icon)
elif cid == 1025:
print("Goodbye")
DestroyWindow(hwnd)
else:
print("OnCommand for ID=%s" % cid)