def mousePressEvent(self, e):
""" 鼠标点击窗口时进行透视变换 """
super().mousePressEvent(e)
# 多次点击时不响应，防止小部件的再次隐藏
if self.__pressedPos:
return
self.grabMouse()
pixmap = self.grab()
self.__perspectiveTrans.setPixmap(pixmap)
# 根据鼠标点击位置的不同设置背景封面的透视变换
self.__setDstPointsByPressedPos(getPressedPos(self, e))
# 获取透视变换后的QPixmap
self.__pressedPix = self.__getTransformPixmap()
# 对桌面上的窗口进行截图
if self.__isTransScreenshot:
self.__adjustTransformPix()
# 隐藏本来看得见的小部件
self.__visibleChildren = [
child for child in self.children()
if hasattr(child, "isVisible") and child.isVisible()
]
for child in self.__visibleChildren:
if hasattr(child, "hide"):
child.hide()
self.update()
def mousePressEvent(self, e):
""" 鼠标点击时记录位置 """
self.pressedPos = getPressedPos(self, e)
self.update()
super().mousePressEvent(e)
def mousePressEvent(self, e):
""" 鼠标点击窗口时进行透视变换 """
super().mousePressEvent(e)
self.grabMouse()
# 截屏
self.__perspectiveTrans.setPixmap(self.grab())
# 获取鼠标点击位置
self.__pressedPos = getPressedPos(self, e)
# 根据鼠标点击位置的不同设置背景封面的透视变换
if self.__pressedPos == "left":
self.__perspectiveTrans.setDstPoints(
[3, 1],
[self.__perspectiveTrans.width - 2, 1],
[3, self.__perspectiveTrans.height - 2],
[
self.__perspectiveTrans.width - 2,
self.__perspectiveTrans.height - 1
],
)
elif self.__pressedPos == "left-top":
self.__perspectiveTrans.setDstPoints(
[3, 2],
[self.__perspectiveTrans.width - 1, 1],
[1, self.__perspectiveTrans.height - 2],
[
self.__perspectiveTrans.width - 2,
self.__perspectiveTrans.height - 1
],
)
elif self.__pressedPos == "left-bottom":
self.__perspectiveTrans.setDstPoints(
[3, 1],
[self.__perspectiveTrans.width - 2, 1],
[3, self.__perspectiveTrans.height - 3],
[
self.__perspectiveTrans.width - 1,
self.__perspectiveTrans.height - 1
],
)
elif self.__pressedPos == "top":
self.__perspectiveTrans.setDstPoints(
[2, 2],
[self.__perspectiveTrans.width - 3, 2],
[1, self.__perspectiveTrans.height - 2],
[
self.__perspectiveTrans.width - 2,
self.__perspectiveTrans.height - 2
],
)
elif self.__pressedPos == "center":
self.__perspectiveTrans.setDstPoints(
[2, 2],
[self.__perspectiveTrans.width - 3, 2],
[2, self.__perspectiveTrans.height - 3],
[
self.__perspectiveTrans.width - 3,
self.__perspectiveTrans.height - 3
],
)
elif self.__pressedPos == "bottom":
self.__perspectiveTrans.setDstPoints(
[1, 1],
[self.__perspectiveTrans.width - 2, 1],
[3, self.__perspectiveTrans.height - 3],
[
self.__perspectiveTrans.width - 4,
self.__perspectiveTrans.height - 3
],
)
elif self.__pressedPos == "right-top":
self.__perspectiveTrans.setDstPoints(
[0, 0],
[self.__perspectiveTrans.width - 4, 1],
[1, self.__perspectiveTrans.height - 1],
[
self.__perspectiveTrans.width - 2,
self.__perspectiveTrans.height - 2
],
)
elif self.__pressedPos == "right":
self.__perspectiveTrans.setDstPoints(
[1, 0],
[self.__perspectiveTrans.width - 4, 1],
[1, self.__perspectiveTrans.height - 1],
[
self.__perspectiveTrans.width - 4,
self.__perspectiveTrans.height - 2
],
)
elif self.__pressedPos == "right-bottom":
self.__perspectiveTrans.setDstPoints(
[1, 1],
[self.__perspectiveTrans.width - 2, 1],
[0, self.__perspectiveTrans.height - 1],
[
self.__perspectiveTrans.width - 4,
self.__perspectiveTrans.height - 3
],
)
self.__pressedPix = self.__perspectiveTrans.getPerspectiveTransform(
self.__perspectiveTrans.width,
self.__perspectiveTrans.height).scaled(self.size(),
Qt.KeepAspectRatio,
Qt.SmoothTransformation)
self.update()
def mousePressEvent(self, e: QMouseEvent):
""" 根据鼠标的不同按下位置更新标志位 """
self.pressedPos = getPressedPos(self, e)
self.update()