Code cleanup; no functional changes
This commit is contained in:
Luke Campagnola
parent
154b6bacb1
commit
5855aa8627
@ -85,7 +85,6 @@ class ViewBox(GraphicsWidget):
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sigXRangeChanged = QtCore.Signal(object, object)
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sigRangeChangedManually = QtCore.Signal(object)
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sigRangeChanged = QtCore.Signal(object, object)
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#sigActionPositionChanged = QtCore.Signal(object)
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sigStateChanged = QtCore.Signal(object)
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sigTransformChanged = QtCore.Signal(object)
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sigResized = QtCore.Signal(object)
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@ -128,8 +127,6 @@ class ViewBox(GraphicsWidget):
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self.name = None
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self.linksBlocked = False
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self.addedItems = []
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#self.gView = view
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#self.showGrid = showGrid
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self._matrixNeedsUpdate = True ## indicates that range has changed, but matrix update was deferred
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self._autoRangeNeedsUpdate = True ## indicates auto-range needs to be recomputed.
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@ -188,9 +185,6 @@ class ViewBox(GraphicsWidget):
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self.background.setPen(fn.mkPen(None))
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self.updateBackground()
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#self.useLeftButtonPan = pyqtgraph.getConfigOption('leftButtonPan') # normally use left button to pan
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# this also enables capture of keyPressEvents.
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## Make scale box that is shown when dragging on the view
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self.rbScaleBox = QtGui.QGraphicsRectItem(0, 0, 1, 1)
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self.rbScaleBox.setPen(fn.mkPen((255,255,100), width=1))
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@ -239,7 +233,6 @@ class ViewBox(GraphicsWidget):
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ViewBox.updateAllViewLists()
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sid = id(self)
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self.destroyed.connect(lambda: ViewBox.forgetView(sid, name) if (ViewBox is not None and 'sid' in locals() and 'name' in locals()) else None)
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#self.destroyed.connect(self.unregister)
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def unregister(self):
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"""
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@ -288,16 +281,12 @@ class ViewBox(GraphicsWidget):
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self.prepareForPaint()
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self._lastScene = scene
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def prepareForPaint(self):
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#autoRangeEnabled = (self.state['autoRange'][0] is not False) or (self.state['autoRange'][1] is not False)
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# don't check whether auto range is enabled here--only check when setting dirty flag.
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if self._autoRangeNeedsUpdate: # and autoRangeEnabled:
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self.updateAutoRange()
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if self._matrixNeedsUpdate:
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self.updateMatrix()
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self.updateMatrix()
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def getState(self, copy=True):
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"""Return the current state of the ViewBox.
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@ -326,7 +315,6 @@ class ViewBox(GraphicsWidget):
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del state['linkedViews']
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self.state.update(state)
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#self.updateMatrix()
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self.updateViewRange()
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self.sigStateChanged.emit(self)
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@ -353,12 +341,6 @@ class ViewBox(GraphicsWidget):
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self.state['mouseMode'] = mode
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self.sigStateChanged.emit(self)
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#def toggleLeftAction(self, act): ## for backward compatibility
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#if act.text() is 'pan':
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#self.setLeftButtonAction('pan')
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#elif act.text() is 'zoom':
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#self.setLeftButtonAction('rect')
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def setLeftButtonAction(self, mode='rect'): ## for backward compatibility
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if mode.lower() == 'rect':
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self.setMouseMode(ViewBox.RectMode)
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@ -405,7 +387,6 @@ class ViewBox(GraphicsWidget):
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if not ignoreBounds:
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self.addedItems.append(item)
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self.updateAutoRange()
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#print "addItem:", item, item.boundingRect()
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def removeItem(self, item):
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"""Remove an item from this view."""
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@ -562,10 +543,6 @@ class ViewBox(GraphicsWidget):
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# If nothing has changed, we are done.
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if any(changed):
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#if update and self.matrixNeedsUpdate:
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#self.updateMatrix(changed)
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#return
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self.sigStateChanged.emit(self)
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# Update target rect for debugging
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@ -581,21 +558,6 @@ class ViewBox(GraphicsWidget):
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self._autoRangeNeedsUpdate = True
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#self.updateAutoRange()
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## Update view matrix only if requested
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#if update:
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#self.updateMatrix(changed)
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## Otherwise, indicate that the matrix needs to be updated
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#else:
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#self.matrixNeedsUpdate = True
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## Inform linked views that the range has changed <<This should be moved>>
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#for ax, range in changes.items():
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#link = self.linkedView(ax)
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#if link is not None:
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#link.linkedViewChanged(self, ax)
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def setYRange(self, min, max, padding=None, update=True):
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"""
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Set the visible Y range of the view to [*min*, *max*].
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@ -675,10 +637,6 @@ class ViewBox(GraphicsWidget):
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for kwd in kwds:
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if kwd not in allowed:
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raise ValueError("Invalid keyword argument '%s'." % kwd)
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#for kwd in ['xLimits', 'yLimits', 'minRange', 'maxRange']:
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#if kwd in kwds and self.state['limits'][kwd] != kwds[kwd]:
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#self.state['limits'][kwd] = kwds[kwd]
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#update = True
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for axis in [0,1]:
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for mnmx in [0,1]:
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kwd = [['xMin', 'xMax'], ['yMin', 'yMax']][axis][mnmx]
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@ -695,9 +653,6 @@ class ViewBox(GraphicsWidget):
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if update:
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self.updateViewRange()
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def scaleBy(self, s=None, center=None, x=None, y=None):
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"""
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Scale by *s* around given center point (or center of view).
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@ -763,8 +718,6 @@ class ViewBox(GraphicsWidget):
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if x is not None or y is not None:
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self.setRange(xRange=x, yRange=y, padding=0)
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def enableAutoRange(self, axis=None, enable=True, x=None, y=None):
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"""
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Enable (or disable) auto-range for *axis*, which may be ViewBox.XAxis, ViewBox.YAxis, or ViewBox.XYAxes for both
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@ -773,11 +726,6 @@ class ViewBox(GraphicsWidget):
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The argument *enable* may optionally be a float (0.0-1.0) which indicates the fraction of the data that should
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be visible (this only works with items implementing a dataRange method, such as PlotDataItem).
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"""
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#print "autorange:", axis, enable
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#if not enable:
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#import traceback
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#traceback.print_stack()
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# support simpler interface:
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if x is not None or y is not None:
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if x is not None:
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@ -814,10 +762,6 @@ class ViewBox(GraphicsWidget):
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self._autoRangeNeedsUpdate |= (enable is not False)
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self.update()
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#if needAutoRangeUpdate:
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# self.updateAutoRange()
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self.sigStateChanged.emit(self)
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def disableAutoRange(self, axis=None):
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@ -828,6 +772,8 @@ class ViewBox(GraphicsWidget):
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return self.state['autoRange'][:]
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def setAutoPan(self, x=None, y=None):
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"""Set whether automatic range will only pan (not scale) the view.
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"""
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if x is not None:
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self.state['autoPan'][0] = x
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if y is not None:
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@ -836,6 +782,9 @@ class ViewBox(GraphicsWidget):
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self.updateAutoRange()
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def setAutoVisible(self, x=None, y=None):
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"""Set whether automatic range uses only visible data when determining
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the range to show.
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"""
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if x is not None:
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self.state['autoVisibleOnly'][0] = x
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if x is True:
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@ -924,7 +873,6 @@ class ViewBox(GraphicsWidget):
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"""Link this view's Y axis to another view. (see LinkView)"""
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self.linkView(self.YAxis, view)
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def linkView(self, axis, view):
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"""
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Link X or Y axes of two views and unlink any previously connected axes. *axis* must be ViewBox.XAxis or ViewBox.YAxis.
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@ -1118,7 +1066,6 @@ class ViewBox(GraphicsWidget):
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return
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self.state['aspectLocked'] = ratio
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if ratio != currentRatio: ## If this would change the current range, do that now
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#self.setRange(0, self.state['viewRange'][0][0], self.state['viewRange'][0][1])
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self.updateViewRange()
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self.updateAutoRange()
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@ -1130,12 +1077,9 @@ class ViewBox(GraphicsWidget):
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Return the transform that maps from child(item in the childGroup) coordinates to local coordinates.
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(This maps from inside the viewbox to outside)
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"""
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if self._matrixNeedsUpdate:
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self.updateMatrix()
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self.updateMatrix()
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m = self.childGroup.transform()
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#m1 = QtGui.QTransform()
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#m1.translate(self.childGroup.pos().x(), self.childGroup.pos().y())
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return m #*m1
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return m
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def mapToView(self, obj):
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"""Maps from the local coordinates of the ViewBox to the coordinate system displayed inside the ViewBox"""
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@ -1163,7 +1107,6 @@ class ViewBox(GraphicsWidget):
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def mapFromViewToItem(self, item, obj):
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"""Maps *obj* from view coordinates to the local coordinate system of *item*."""
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return self.childGroup.mapToItem(item, obj)
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#return item.mapFromScene(self.mapViewToScene(obj))
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def mapViewToDevice(self, obj):
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return self.mapToDevice(self.mapFromView(obj))
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@ -1177,26 +1120,10 @@ class ViewBox(GraphicsWidget):
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px, py = [Point(self.mapToView(v) - o) for v in self.pixelVectors()]
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return (px.length(), py.length())
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def itemBoundingRect(self, item):
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"""Return the bounding rect of the item in view coordinates"""
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return self.mapSceneToView(item.sceneBoundingRect()).boundingRect()
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#def viewScale(self):
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#vr = self.viewRect()
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##print "viewScale:", self.range
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#xd = vr.width()
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#yd = vr.height()
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#if xd == 0 or yd == 0:
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#print "Warning: 0 range in view:", xd, yd
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#return np.array([1,1])
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##cs = self.canvas().size()
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#cs = self.boundingRect()
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#scale = np.array([cs.width() / xd, cs.height() / yd])
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##print "view scale:", scale
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#return scale
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def wheelEvent(self, ev, axis=None):
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mask = np.array(self.state['mouseEnabled'], dtype=np.float)
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if axis is not None and axis >= 0 and axis < len(mask):
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@ -1206,14 +1133,12 @@ class ViewBox(GraphicsWidget):
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s = ((mask * 0.02) + 1) ** (ev.delta() * self.state['wheelScaleFactor']) # actual scaling factor
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center = Point(fn.invertQTransform(self.childGroup.transform()).map(ev.pos()))
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#center = ev.pos()
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self._resetTarget()
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self.scaleBy(s, center)
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self.sigRangeChangedManually.emit(self.state['mouseEnabled'])
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ev.accept()
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def mouseClickEvent(self, ev):
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if ev.button() == QtCore.Qt.RightButton and self.menuEnabled():
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ev.accept()
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@ -1251,7 +1176,6 @@ class ViewBox(GraphicsWidget):
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if ev.isFinish(): ## This is the final move in the drag; change the view scale now
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#print "finish"
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self.rbScaleBox.hide()
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#ax = QtCore.QRectF(Point(self.pressPos), Point(self.mousePos))
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ax = QtCore.QRectF(Point(ev.buttonDownPos(ev.button())), Point(pos))
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ax = self.childGroup.mapRectFromParent(ax)
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self.showAxRect(ax)
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@ -1301,12 +1225,6 @@ class ViewBox(GraphicsWidget):
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ctrl-- : moves backward in the zooming stack (if it exists)
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"""
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#print ev.key()
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#print 'I intercepted a key press, but did not accept it'
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## not implemented yet ?
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#self.keypress.sigkeyPressEvent.emit()
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ev.accept()
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if ev.text() == '-':
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self.scaleHistory(-1)
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@ -1325,7 +1243,6 @@ class ViewBox(GraphicsWidget):
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self.axHistoryPointer = ptr
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self.showAxRect(self.axHistory[ptr])
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def updateScaleBox(self, p1, p2):
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r = QtCore.QRectF(p1, p2)
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r = self.childGroup.mapRectFromParent(r)
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@ -1338,14 +1255,6 @@ class ViewBox(GraphicsWidget):
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self.setRange(ax.normalized()) # be sure w, h are correct coordinates
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self.sigRangeChangedManually.emit(self.state['mouseEnabled'])
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#def mouseRect(self):
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#vs = self.viewScale()
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#vr = self.state['viewRange']
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## Convert positions from screen (view) pixel coordinates to axis coordinates
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#ax = QtCore.QRectF(self.pressPos[0]/vs[0]+vr[0][0], -(self.pressPos[1]/vs[1]-vr[1][1]),
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#(self.mousePos[0]-self.pressPos[0])/vs[0], -(self.mousePos[1]-self.pressPos[1])/vs[1])
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#return(ax)
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def allChildren(self, item=None):
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"""Return a list of all children and grandchildren of this ViewBox"""
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if item is None:
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@ -1356,8 +1265,6 @@ class ViewBox(GraphicsWidget):
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children.extend(self.allChildren(ch))
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return children
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def childrenBounds(self, frac=None, orthoRange=(None,None), items=None):
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"""Return the bounding range of all children.
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[[xmin, xmax], [ymin, ymax]]
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@ -1380,8 +1287,6 @@ class ViewBox(GraphicsWidget):
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useY = True
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if hasattr(item, 'dataBounds'):
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#bounds = self._itemBoundsCache.get(item, None)
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#if bounds is None:
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if frac is None:
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frac = (1.0, 1.0)
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xr = item.dataBounds(0, frac=frac[0], orthoRange=orthoRange[0])
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@ -1414,9 +1319,6 @@ class ViewBox(GraphicsWidget):
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itemBounds.append((bounds, useX, useY, pxPad))
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#self._itemBoundsCache[item] = (bounds, useX, useY)
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#else:
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#bounds, useX, useY = bounds
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else:
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if int(item.flags() & item.ItemHasNoContents) > 0:
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continue
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@ -1425,8 +1327,6 @@ class ViewBox(GraphicsWidget):
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bounds = self.mapFromItemToView(item, bounds).boundingRect()
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itemBounds.append((bounds, True, True, 0))
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#print itemBounds
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## determine tentative new range
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range = [None, None]
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for bounds, useX, useY, px in itemBounds:
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@ -1442,14 +1342,11 @@ class ViewBox(GraphicsWidget):
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range[0] = [bounds.left(), bounds.right()]
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profiler()
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#print "range", range
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## Now expand any bounds that have a pixel margin
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## This must be done _after_ we have a good estimate of the new range
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## to ensure that the pixel size is roughly accurate.
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w = self.width()
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h = self.height()
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#print "w:", w, "h:", h
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if w > 0 and range[0] is not None:
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pxSize = (range[0][1] - range[0][0]) / w
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for bounds, useX, useY, px in itemBounds:
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@ -1598,6 +1495,9 @@ class ViewBox(GraphicsWidget):
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link.linkedViewChanged(self, ax)
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def updateMatrix(self, changed=None):
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if not self._matrixNeedsUpdate:
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return
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## Make the childGroup's transform match the requested viewRange.
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bounds = self.rect()
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@ -1648,7 +1548,6 @@ class ViewBox(GraphicsWidget):
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self.background.show()
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self.background.setBrush(fn.mkBrush(bg))
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def updateViewLists(self):
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try:
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self.window()
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@ -1662,7 +1561,6 @@ class ViewBox(GraphicsWidget):
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## make a sorted list of all named views
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nv = list(ViewBox.NamedViews.values())
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#print "new view list:", nv
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sortList(nv, cmpViews) ## see pyqtgraph.python2_3.sortList
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if self in nv:
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@ -1676,17 +1574,12 @@ class ViewBox(GraphicsWidget):
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for v in nv:
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if link == v.name:
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self.linkView(ax, v)
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#print "New view list:", nv
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#print "linked views:", self.state['linkedViews']
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@staticmethod
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def updateAllViewLists():
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#print "Update:", ViewBox.AllViews.keys()
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#print "Update:", ViewBox.NamedViews.keys()
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for v in ViewBox.AllViews:
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v.updateViewLists()
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@staticmethod
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def forgetView(vid, name):
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if ViewBox is None: ## can happen as python is shutting down
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@ -1766,4 +1659,5 @@ class ViewBox(GraphicsWidget):
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self.scene().removeItem(self.locateGroup)
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self.locateGroup = None
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from .ViewBoxMenu import ViewBoxMenu
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