def nativeEventFilter(self, typ, sip_voidptr):
msg = MSG.from_address(sip_voidptr.__int__())
if msg.message == win32con.WM_HOTKEY:
if self.enable is True:
self.hotKey.setActive(True, HIWORD(msg.lParam),
LOWORD(msg.lParam))
self.count += 1
return False, 1
def nativeEvent(self, eventType, message):
""" 处理windows消息 """
msg = MSG.from_address(message.__int__())
if msg.message == win32con.WM_NCHITTEST:
# 解决多屏下会出现鼠标一直为拖动状态的问题
xPos = (win32api.LOWORD(msg.lParam) -
self.frameGeometry().x()) % 65536
yPos = win32api.HIWORD(msg.lParam) - self.frameGeometry().y()
w, h = self.width(), self.height()
lx = xPos < self.BORDER_WIDTH
rx = xPos + 9 > w - self.BORDER_WIDTH
ty = yPos < self.BORDER_WIDTH
by = yPos > h - self.BORDER_WIDTH
if lx and ty:
return True, win32con.HTTOPLEFT
elif rx and by:
return True, win32con.HTBOTTOMRIGHT
elif rx and ty:
return True, win32con.HTTOPRIGHT
elif lx and by:
return True, win32con.HTBOTTOMLEFT
elif ty:
return True, win32con.HTTOP
elif by:
return True, win32con.HTBOTTOM
elif lx:
return True, win32con.HTLEFT
elif rx:
return True, win32con.HTRIGHT
elif msg.message == win32con.WM_NCCALCSIZE:
if self.isWindowMaximized(msg.hWnd):
self.monitorNCCALCSIZE(msg)
return True, 0
elif msg.message == win32con.WM_GETMINMAXINFO:
if self.isWindowMaximized(msg.hWnd):
window_rect = win32gui.GetWindowRect(msg.hWnd)
if not window_rect:
return False, 0
# 获取显示器句柄
monitor = win32api.MonitorFromRect(window_rect)
if not monitor:
return False, 0
# 获取显示器信息
monitor_info = win32api.GetMonitorInfo(monitor)
monitor_rect = monitor_info['Monitor']
work_area = monitor_info['Work']
# 将lParam转换为MINMAXINFO指针
info = cast(msg.lParam, POINTER(MINMAXINFO)).contents
# 调整窗口大小
info.ptMaxSize.x = work_area[2] - work_area[0]
info.ptMaxSize.y = work_area[3] - work_area[1]
info.ptMaxTrackSize.x = info.ptMaxSize.x
info.ptMaxTrackSize.y = info.ptMaxSize.y
# 修改左上角坐标
info.ptMaxPosition.x = abs(window_rect[0] - monitor_rect[0])
info.ptMaxPosition.y = abs(window_rect[1] - monitor_rect[1])
return True, 1
return QWidget.nativeEvent(self, eventType, message)
def nativeEvent (self, eventType, message): if eventType == 'windows_generic_MSG': msg = MSG.from_address(message.__int__()) if msg.message==WM_LBUTTONDBLCLK: self.mouseDoubleClicked.emit(msg.lParam & 0x0000ffff, msg.lParam >> 16) elif msg.message==WM_LBUTTONDOWN: self.mousePressed.emit(msg.lParam & 0x0000ffff, msg.lParam >> 16) # Return True if the event should be filtered, i.e. stopped. # Return False to allow normal Qt processing to continue return False, 0
def nativeEvent(self, eventType, msg): # 定制nativeEvent使其处理本地(Windows)窗口消息
message = MSG.from_address(int(msg))
if message.message == WM_USER:
self.displayTimer.stop()
global G_CommuCounter, Time_LastCommu, CQwHandle
G_CommuCounter += 1
Time_LastCommu = time.time()
self.n_triggerCount.display(G_CommuCounter)
if message.wParam == Breath: # 回应前端的心跳包
try:
win32api.PostMessage(CQwHandle, WM_USER, Breath, 0x79)
self.s_signal_out.setChecked(True)
self.displayTimer.start(300)
except Exception as errInfo:
global Time_LastError, Status_Hint
self.displayRefuresh()
self.displayTimer.stop()
Status_Hint = "发生异常, 等待处理..."
self.o_currentStatus.setText(Status_Hint)
logger1.error("回应前端心跳包出错: %s" % errInfo)
Time_LastError = time.time()
logger1.info("尝试更新前端窗口句柄")
try:
CQwHandle = win32gui.FindWindow(None, CQTitle)
logger1.info("更新前端窗口句柄成功. 新句柄 → 0x%x" % CQwHandle)
Status_Hint = "等待新任务中..."
self.o_currentStatus.setText(Status_Hint)
except Exception as errInfo:
logger1.error("尝试重新查找前端句柄失败: %s" % errInfo)
else:
global WPA, LPA
WPA, LPA = message.wParam, message.lParam
if WPA == CQreturn:
printc("---前端已执行命令, 返回结果: `%s`" % LPA)
elif WPA == AppUpdate:
proc = ThreadWithReturn(target=Update, args=())
proc.start()
pass
else:
printc(
f"---前端通信{message.message}(WM_USER): {WPA}({hex(WPA)}), {LPA}({hex(LPA)})---",
style="color:#6daa6d")
self.s_signal_in.setChecked(True)
self.displayTimer.start(300)
return False, 0
def nativeEvent(self, eventType, message):
""" handle the Windows message """
msg = MSG.from_address(message.__int__())
if msg.message == win32con.WM_NCHITTEST:
pos = QCursor.pos()
xPos = pos.x() - self.x()
yPos = pos.y() - self.y()
w, h = self.width(), self.height()
lx = xPos < self.BORDER_WIDTH
rx = xPos > w - self.BORDER_WIDTH
ty = yPos < self.BORDER_WIDTH
by = yPos > h - self.BORDER_WIDTH
if lx and ty:
return True, win32con.HTTOPLEFT
elif rx and by:
return True, win32con.HTBOTTOMRIGHT
elif rx and ty:
return True, win32con.HTTOPRIGHT
elif lx and by:
return True, win32con.HTBOTTOMLEFT
elif ty:
return True, win32con.HTTOP
elif by:
return True, win32con.HTBOTTOM
elif lx:
return True, win32con.HTLEFT
elif rx:
return True, win32con.HTRIGHT
elif msg.message == win32con.WM_NCCALCSIZE:
if self._isWindowMaximized(msg.hWnd):
self.__monitorNCCALCSIZE(msg)
return True, 0
elif msg.message == win32con.WM_GETMINMAXINFO:
if self._isWindowMaximized(msg.hWnd):
window_rect = win32gui.GetWindowRect(msg.hWnd)
if not window_rect:
return False, 0
# get the monitor handle
monitor = win32api.MonitorFromRect(window_rect)
if not monitor:
return False, 0
# get the monitor information
__monitorInfo = win32api.GetMonitorInfo(monitor)
monitor_rect = __monitorInfo['Monitor']
work_area = __monitorInfo['Work']
# convert lParam to MINMAXINFO pointer
info = cast(msg.lParam, POINTER(MINMAXINFO)).contents
# adjust the size of window
info.ptMaxSize.x = work_area[2] - work_area[0]
info.ptMaxSize.y = work_area[3] - work_area[1]
info.ptMaxTrackSize.x = info.ptMaxSize.x
info.ptMaxTrackSize.y = info.ptMaxSize.y
# modify the upper left coordinate
info.ptMaxPosition.x = abs(window_rect[0] - monitor_rect[0])
info.ptMaxPosition.y = abs(window_rect[1] - monitor_rect[1])
return True, 1
return QWidget.nativeEvent(self, eventType, message)
def parse_message(message):
"Parse Windows message"
return MSG.from_address(message.__int__())
