################################
# PyQt5中文网 - PyQt5全套视频教程 #
# https://www.PyQt5.cn/ #
# 主讲： 村长 #
################################
from PyQt5.Qt import *
import sys
class Window(QWidget):
def __init__(self):
super().__init__()
self.setWindowTitle("窗口")
self.setWindowOpacity(0.9)
self.resize(600, 500)
self.btn_x = 50
self.btn_y = 30
self.func_list()
def func_list(self):
self.btn()
def btn(self):
self.close_btn = QPushButton(self)
self.close_btn.setText('关闭')
self.close_btn.resize(self.btn_x, self.btn_y)
self.max_btn = QPushButton(self)
self.max_btn.setText('最大化')
self.max_btn.resize(self.btn_x, self.btn_y)
self.min_btn = QPushButton(self)
self.min_btn.setText('最小化')
self.min_btn.resize(self.btn_x, self.btn_y)
def max_signal():
if self.isMaximized():
self.showNormal()
self.max_btn.setText('最大化')
else:
self.showMaximized()
self.max_btn.setText('恢复')
self.max_btn.pressed.connect(max_signal)
self.close_btn.pressed.connect(self.close)
self.min_btn.pressed.connect(self.showMinimized)
def resizeEvent(self, QResizeEvent):
self.close_btn.move(self.width() - self.btn_x, 2)
self.max_btn.move(self.width() - self.btn_x * 2, 2)
self.min_btn.move(self.width() - self.btn_x * 3, 2)
def mousePressEvent(self, QMouseEvent):
if QMouseEvent.button() == Qt.LeftButton:
self.mouse_press = True # 需要在属性中先定义为False
self.win_x = self.x() # 窗口位置
self.win_y = self.y()
self.m_x = QMouseEvent.globalX() # 全局位置
self.m_y = QMouseEvent.globalY()
# 1.创建一个标记，用来判定鼠标只有在按下之后才能移动
# 2.窗口的原始坐标
# 3.鼠标按下的坐标
def mouseMoveEvent(self, QMouseEvent):
if self.mouse_press:
move_x = QMouseEvent.globalX()
move_y = QMouseEvent.globalY()
xx = move_x - self.m_x
yy = move_y - self.m_y
self.move(self.win_x + xx, self.win_y + yy)
# if 窗口标记 == True：
# 2.根据鼠标按下的点计算移动量
# 3.根据移动量和窗口的原始坐标得到新坐标
# 4.移动串口位置
def mouseReleaseEvent(self, QMouseEvent):
self.mouse_press = False
# 1.把mousePressEvent中创建的标记重置为False
if __name__ == '__main__':
app = QApplication(sys.argv)
window = Window()
window.show()
sys.exit(app.exec_())
