def __setZoomLevel(self, scale): self.__zoomLevel = max(30, min(scale, 300)) scale = round(self.__zoomLevel) self.__zoomOutAction.setEnabled(scale != 30) self.__zoomInAction.setEnabled(scale != 300) if self.__effectiveZoomLevel != scale: self.__effectiveZoomLevel = scale transform = QTransform() transform.scale(scale / 100, scale / 100) self.setTransform(transform) self.zoomLevelChanged.emit(scale)
def __setZoomLevel(self, scale): # type: (float) -> None self.__zoomLevel = max(30, min(scale, 300)) scale = round(self.__zoomLevel) self.__zoomOutAction.setEnabled(scale != 30) self.__zoomInAction.setEnabled(scale != 300) if self.__effectiveZoomLevel != scale: self.__effectiveZoomLevel = scale transform = QTransform() transform.scale(scale / 100, scale / 100) self.setTransform(transform) self.zoomLevelChanged.emit(scale)
def __setZoomLevel(self, scale, anchor=None): # type: (float, Optional[QPointF]) -> None self.__zoomLevel = max(30, min(scale, 300)) scale = round(self.__zoomLevel) self.__zoomOutAction.setEnabled(scale != 30) self.__zoomInAction.setEnabled(scale != 300) if self.__effectiveZoomLevel != scale: self.__effectiveZoomLevel = scale transform = QTransform() transform.scale(scale / 100, scale / 100) if anchor is not None: anchor = self.mapFromScene(anchor) self.setTransform(transform) if anchor is not None: center = self.viewport().rect().center() diff = self.mapToScene(center) - self.mapToScene(anchor) self.centerOn(anchor + diff) self.zoomLevelChanged.emit(scale)
def __init__(self, *args, **kwargs): QDockWidget.__init__(self, *args, **kwargs) self.__expandedWidget = None self.__collapsedWidget = None self.__expanded = True self.__trueMinimumWidth = -1 self.setFeatures(QDockWidget.DockWidgetClosable | \ QDockWidget.DockWidgetMovable) self.setAllowedAreas(Qt.LeftDockWidgetArea | Qt.RightDockWidgetArea) self.featuresChanged.connect(self.__onFeaturesChanged) self.dockLocationChanged.connect(self.__onDockLocationChanged) # Use the toolbar horizontal extension button icon as the default # for the expand/collapse button icon = self.style().standardIcon( QStyle.SP_ToolBarHorizontalExtensionButton) # Mirror the icon transform = QTransform() transform = transform.scale(-1.0, 1.0) icon_rev = QIcon() for s in (8, 12, 14, 16, 18, 24, 32, 48, 64): pm = icon.pixmap(s, s) icon_rev.addPixmap(pm.transformed(transform)) self.__iconRight = QIcon(icon) self.__iconLeft = QIcon(icon_rev) close = self.findChild(QAbstractButton, name="qt_dockwidget_closebutton") close.installEventFilter(self) self.__closeButton = close self.__stack = AnimatedStackedWidget() self.__stack.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Expanding) self.__stack.transitionStarted.connect(self.__onTransitionStarted) self.__stack.transitionFinished.connect(self.__onTransitionFinished) QDockWidget.setWidget(self, self.__stack) self.__closeButton.setIcon(self.__iconLeft)
def pixmapTransform(self) -> QTransform: if self.__pixmap.isNull(): return QTransform() pxsize = QSizeF(self.__pixmap.size()) crect = self.contentsRect() transform = QTransform() transform = transform.translate(crect.left(), crect.top()) if self.__scaleContents: csize = scaled(pxsize, crect.size(), self.__aspectMode) else: csize = pxsize xscale = csize.width() / pxsize.width() yscale = csize.height() / pxsize.height() return transform.scale(xscale, yscale)
def __set_zoom(self, scale): self.__scale = min(15, max(scale, 3)) transform = QTransform() transform.scale(self.__scale / 10, self.__scale / 10) self.setTransform(transform)