| 38 | |
| 39 | |
| 40 | class Window(QWidget): |
| 41 | BorderWidth = 5 |
| 42 | |
| 43 | def __init__(self, *args, **kwargs): |
| 44 | super(Window, self).__init__(*args, **kwargs) |
| 45 | # 主屏幕的可用大小（去掉任务栏） |
| 46 | self._rect = QApplication.instance().desktop().availableGeometry(self) |
| 47 | self.resize(800, 600) |
| 48 | self.setWindowFlags(Qt.Window | Qt.FramelessWindowHint | |
| 49 | Qt.WindowSystemMenuHint | |
| 50 | Qt.WindowMinimizeButtonHint | |
| 51 | Qt.WindowMaximizeButtonHint | |
| 52 | Qt.WindowCloseButtonHint) |
| 53 | # 增加薄边框 |
| 54 | style = win32gui.GetWindowLong(int(self.winId()), win32con.GWL_STYLE) |
| 55 | win32gui.SetWindowLong(int(self.winId()), win32con.GWL_STYLE, |
| 56 | style | win32con.WS_THICKFRAME) |
| 57 | |
| 58 | if QtWin.isCompositionEnabled(): |
| 59 | # 加上 Aero 边框阴影 |
| 60 | QtWin.extendFrameIntoClientArea(self, -1, -1, -1, -1) |
| 61 | else: |
| 62 | QtWin.resetExtendedFrame(self) |
| 63 | |
| 64 | def nativeEvent(self, eventType, message): |
| 65 | retval, result = super(Window, self).nativeEvent(eventType, message) |
| 66 | if eventType == "windows_generic_MSG": |
| 67 | msg = ctypes.wintypes.MSG.from_address(message.__int__()) |
| 68 | # 获取鼠标移动经过时的坐标 |
| 69 | pos = QCursor.pos() |
| 70 | x = pos.x() - self.frameGeometry().x() |
| 71 | y = pos.y() - self.frameGeometry().y() |
| 72 | # 判断鼠标位置是否有其它控件 |
| 73 | if self.childAt(x, y) != None: |
| 74 | return retval, result |
| 75 | if msg.message == win32con.WM_NCCALCSIZE: |
| 76 | # 拦截不显示顶部的系统自带的边框 |
| 77 | return True, 0 |
| 78 | if msg.message == win32con.WM_GETMINMAXINFO: |
| 79 | # 当窗口位置改变或者大小改变时会触发该消息 |
| 80 | info = ctypes.cast(msg.lParam, |
| 81 | ctypes.POINTER(MINMAXINFO)).contents |
| 82 | # 修改最大化的窗口大小为主屏幕的可用大小 |
| 83 | info.ptMaxSize.x = self._rect.width() |
| 84 | info.ptMaxSize.y = self._rect.height() |
| 85 | # 修改放置点的x,y坐标为0,0 |
| 86 | info.ptMaxPosition.x, info.ptMaxPosition.y = 0, 0 |
| 87 | if msg.message == win32con.WM_NCHITTEST: |
| 88 | w, h = self.width(), self.height() |
| 89 | lx = x < self.BorderWidth |
| 90 | rx = x > w - self.BorderWidth |
| 91 | ty = y < self.BorderWidth |
| 92 | by = y > h - self.BorderWidth |
| 93 | # 左上角 |
| 94 | if (lx and ty): |
| 95 | return True, win32con.HTTOPLEFT |
| 96 | # 右下角 |
| 97 | if (rx and by): |