如何做出炒股软件附图指标的那种小窗口 | python | python 技术论坛-江南app体育官方入口

我去试一下，看看能不能多窗口联动绘图

import sys from pyside6.qtcore import from pyside6.qtgui import from pyside6.qtwidgets import * class mainwindow(qmainwindow): # xy = signal(float, float) def init(self): super().init() self.drawing_widget2 = drawingwidget2() self.drawing_widget1 = drawingwidget() self.setmousetracking(true) self.x, self.y = 0, 0 # self.xy.connect(self.drawing_widget1.update_1) # self.xy.connect(self.drawing_widget2.update_2) self.init_ui() def init_ui(self): self.setwindowtitle("主窗口 b") screen = qapplication.primaryscreen().geometry() self.width, self.height = screen.width()//2, screen.height()//2 self.setgeometry(0, 0, self.width, self.height) self.mdi_area = qmdiarea() self.setcentralwidget(self.mdi_area) # 创建第一个副窗口并添加绘图控件 self.child_window = qmdisubwindow() # self.drawing_widget1 = drawingwidget() self.child_window.setwidget(self.drawing_widget1) self.child_window.setwindowtitle("副窗口 a") self.mdi_area.addsubwindow(self.child_window) # 创建第二个副窗口并添加绘图控件 self.child_window1 = qmdisubwindow() # self.drawing_widget2 = drawingwidget2() self.child_window1.setwidget(self.drawing_widget2) self.child_window1.setwindowtitle("副窗口 b") self.mdi_area.addsubwindow(self.child_window1) def resizeevent(self, event): size = event.size() new_width = size.width()//2 new_height = size.height()//2 self.child_window.setgeometry(0, 0, new_width, new_height) self.child_window1.setgeometry(0, new_height, new_width, new_height) def mousemoveevent(self, event): super().mousemoveevent(event) self.x = event.position().x() self.y = event.position().y() # self.xy.emit(self.x, self.y) self.drawing_widget2.update_2(self.x, self.y) self.drawing_widget1.update_1(self.x, self.y) # self.update() # 触发重绘 # print(self.x, 'zzzzzzzzzz') class drawingwidget2(qwidget): def init(self, parent=none): super().init(parent) self.x, self.y = none, none def text_begin(self, qp, color, font, num, x, y, form): qp.save() qp.begin(self) qp.setpen(qcolor(color)) qp.setfont(qfont(font, num)) qp.drawtext(x, y, form) return qp def paintevent(self, event): qp = qpainter(self) qp.setrenderhint(qpainter.renderhint.antialiasing) # 开启反锯齿 self.text_begin(qp, qt.red, 'verdana', 10, 0, self.height() / 2, f'{self.x}') qp.restore() print(self.x, 'aaaaaa') def update_2(self, x, y): self.x, self.y = x, y self.x_y() self.update() def x_y(self): if self.x: return self.x, self.y class drawingwidget(qwidget): def init(self, parent=none): super().init(parent) self.x, self.y = none, none def text_begin(self, qp, color, font, num, x, y, form): qp.save() qp.begin(self) qp.setpen(qcolor(color)) qp.setfont(qfont(font, num)) qp.drawtext(x, y, form) return qp def paintevent(self, event): qp = qpainter(self) qp.setrenderhint(qpainter.renderhint.antialiasing) # 开启反锯齿 self.text_begin(qp, qt.red, 'verdana', 10, 0, self.height() / 2, f'{self.x}') qp.restore() print(self.x) def update_1(self, x, y): self.x, self.y = x, y self.x_y() self.update() def x_y(self): if self.x: return self.x, self.y app = qapplication(sys.argv) main_window = mainwindow() main_window.show() sys.exit(app.exec()) 需要在主窗口界面一直按住鼠标左键，才会实时更新鼠标的位置，一开始在子窗口内按住鼠标左键则不会跟踪鼠标状态， 注释掉两个副窗口后，则不需要一直按住鼠标左键就可以实时更新鼠标位置，如何在任意一个窗口内都可以实时跟踪鼠标位置，不需要一直按住鼠标左键？