本文整理汇总了Python中PyQt5.QtWidgets.QMenu.close方法的典型用法代码示例。如果您正苦于以下问题：Python QMenu.close方法的具体用法？Python QMenu.close怎么用？Python QMenu.close使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PyQt5.QtWidgets.QMenu的用法示例。
在下文中一共展示了QMenu.close方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: BrushSizeWidget
# 需要导入模块: from PyQt5.QtWidgets import QMenu [as 别名]
# 或者: from PyQt5.QtWidgets.QMenu import close [as 别名]
class BrushSizeWidget(QToolButton):
ICON_SIZE = (12, 12)
BUTTON_SIZE = (40, 30)
ITEM_SIZE = (100, 20)
MARGIN = 7
brushSizeChanged = pyqtSignal(int)
def __init__(self, size=10, min_size=1, max_size=100, parent=None):
super(BrushSizeWidget, self).__init__(parent)
self._size = size
self._min_size = min_size
self._max_size = max_size
self.initUI()
self.connectUI()
def initUI(self):
self.setPopupMode(QToolButton.MenuButtonPopup)
self.menu = QMenu(self)
self.setMenu(self.menu)
self.setFixedSize(*self.BUTTON_SIZE)
self.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
self.listWidget = self.createListWidget()
self.listWidget.installEventFilter(self)
action = QWidgetAction(self)
action.setDefaultWidget(self.listWidget)
self.menu.addAction(action)
self.updateIcon()
def connectUI(self):
self.listWidget.itemClicked.connect(self.selectSize)
def selectSize(self, item):
self.menu.close()
self._size = item.data(Qt.UserRole)
self.updateIcon()
self.brushSizeChanged.emit(self._size)
def eventFilter(self, watched, event):
if (event.type() == QEvent.KeyPress and
event.matches(QKeySequence.InsertParagraphSeparator)):
self.selectSize(self.listWidget.currentItem())
return super(BrushSizeWidget, self).eventFilter(watched, event)
def value(self):
return self._size
def createListWidget(self):
listWidget = QListWidget()
w, h = self.ITEM_SIZE
scroll_size = 16
listWidget.setFixedWidth(w + scroll_size)
listWidget.setAttribute(Qt.WA_MacShowFocusRect, False)
for x in xrange(self._min_size, self._max_size):
h = max(x + self.MARGIN * 2.0, h)
pixmap = QPixmap(w, h)
pixmap.fill(Qt.transparent)
painter = QPainter(pixmap)
center = h / 2.0
painter.fillRect(QRectF(self.MARGIN, center - x / 2.0,
w - self.MARGIN * 2.0, x), Qt.black)
painter.end()
label = QLabel()
label.setPixmap(pixmap)
item = QListWidgetItem(listWidget)
item.setSizeHint(QSize(w, h))
item.setData(Qt.UserRole, x)
listWidget.addItem(item)
listWidget.setItemWidget(item, label)
if self._size == x:
listWidget.setCurrentItem(item)
return listWidget
def updateIcon(self):
self.setText(str(self._size))
w, h = self.ICON_SIZE
pixmap = QPixmap(w, h)
pixmap.fill(Qt.transparent)
painter = QPainter(pixmap)
painter.setRenderHint(QPainter.Antialiasing)
painter.setBrush(Qt.black)
preview_size = min(w - 1, self._size)
center = (w - preview_size) / 2.0
painter.drawEllipse(QRect(center, center, preview_size, preview_size))
painter.end()
self.setIcon(QIcon(pixmap))
self.setIconSize(QSize(w, h))