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code cleanup

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This commit is contained in:
Luke Campagnola 2017-09-13 21:01:38 -07:00
parent 1f77433755
commit e88e3a4232
2 changed files with 3 additions and 188 deletions
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135
pyqtgraph/canvas/Canvas.py
View File

@ -32,7 +32,6 @@ class Canvas(QtGui.QWidget):
QtGui.QWidget.__init__(self, parent) QtGui.QWidget.__init__(self, parent)
self.ui = Ui_Form() self.ui = Ui_Form()
self.ui.setupUi(self) self.ui.setupUi(self)
#self.view = self.ui.view
self.view = ViewBox() self.view = ViewBox()
self.ui.view.setCentralItem(self.view) self.ui.view.setCentralItem(self.view)
self.itemList = self.ui.itemList self.itemList = self.ui.itemList
@ -49,9 +48,7 @@ class Canvas(QtGui.QWidget):
self.redirect = None ## which canvas to redirect items to self.redirect = None ## which canvas to redirect items to
self.items = [] self.items = []
#self.view.enableMouse()
self.view.setAspectLocked(True) self.view.setAspectLocked(True)
#self.view.invertY()
grid = GridItem() grid = GridItem()
self.grid = CanvasItem(grid, name='Grid', movable=False) self.grid = CanvasItem(grid, name='Grid', movable=False)
@ -69,8 +66,6 @@ class Canvas(QtGui.QWidget):
self.ui.itemList.sigItemMoved.connect(self.treeItemMoved) self.ui.itemList.sigItemMoved.connect(self.treeItemMoved)
self.ui.itemList.itemSelectionChanged.connect(self.treeItemSelected) self.ui.itemList.itemSelectionChanged.connect(self.treeItemSelected)
self.ui.autoRangeBtn.clicked.connect(self.autoRange) self.ui.autoRangeBtn.clicked.connect(self.autoRange)
#self.ui.storeSvgBtn.clicked.connect(self.storeSvg)
#self.ui.storePngBtn.clicked.connect(self.storePng)
self.ui.redirectCheck.toggled.connect(self.updateRedirect) self.ui.redirectCheck.toggled.connect(self.updateRedirect)
self.ui.redirectCombo.currentIndexChanged.connect(self.updateRedirect) self.ui.redirectCombo.currentIndexChanged.connect(self.updateRedirect)
self.multiSelectBox.sigRegionChanged.connect(self.multiSelectBoxChanged) self.multiSelectBox.sigRegionChanged.connect(self.multiSelectBoxChanged)
@ -88,21 +83,11 @@ class Canvas(QtGui.QWidget):
self.ui.redirectCombo.setHostName(self.registeredName) self.ui.redirectCombo.setHostName(self.registeredName)
self.menu = QtGui.QMenu() self.menu = QtGui.QMenu()
#self.menu.setTitle("Image")
remAct = QtGui.QAction("Remove item", self.menu) remAct = QtGui.QAction("Remove item", self.menu)
remAct.triggered.connect(self.removeClicked) remAct.triggered.connect(self.removeClicked)
self.menu.addAction(remAct) self.menu.addAction(remAct)
self.menu.remAct = remAct self.menu.remAct = remAct
self.ui.itemList.contextMenuEvent = self.itemListContextMenuEvent self.ui.itemList.contextMenuEvent = self.itemListContextMenuEvent
#def storeSvg(self):
#from pyqtgraph.GraphicsScene.exportDialog import ExportDialog
#ex = ExportDialog(self.ui.view)
#ex.show()
#def storePng(self):
#self.ui.view.writeImage()
def splitterMoved(self): def splitterMoved(self):
self.resizeEvent() self.resizeEvent()
@ -135,7 +120,6 @@ class Canvas(QtGui.QWidget):
s = min(self.width(), max(100, min(200, self.width()*0.25))) s = min(self.width(), max(100, min(200, self.width()*0.25)))
s2 = self.width()-s s2 = self.width()-s
self.ui.splitter.setSizes([s2, s]) self.ui.splitter.setSizes([s2, s])
def updateRedirect(self, *args): def updateRedirect(self, *args):
### Decide whether/where to redirect items and make it so ### Decide whether/where to redirect items and make it so
@ -154,7 +138,6 @@ class Canvas(QtGui.QWidget):
self.reclaimItems() self.reclaimItems()
else: else:
self.redirectItems(redirect) self.redirectItems(redirect)
def redirectItems(self, canvas): def redirectItems(self, canvas):
for i in self.items: for i in self.items:
@ -171,12 +154,9 @@ class Canvas(QtGui.QWidget):
else: else:
parent.removeChild(li) parent.removeChild(li)
canvas.addItem(i) canvas.addItem(i)
def reclaimItems(self): def reclaimItems(self):
items = self.items items = self.items
#self.items = {'Grid': items['Grid']}
#del items['Grid']
self.items = [self.grid] self.items = [self.grid]
items.remove(self.grid) items.remove(self.grid)
@ -185,9 +165,6 @@ class Canvas(QtGui.QWidget):
self.addItem(i) self.addItem(i)
def treeItemChanged(self, item, col): def treeItemChanged(self, item, col):
#gi = self.items.get(item.name, None)
#if gi is None:
#return
try: try:
citem = item.canvasItem() citem = item.canvasItem()
except AttributeError: except AttributeError:
@ -203,25 +180,16 @@ class Canvas(QtGui.QWidget):
def treeItemSelected(self): def treeItemSelected(self):
sel = self.selectedItems() sel = self.selectedItems()
#sel = []
#for listItem in self.itemList.selectedItems():
#if hasattr(listItem, 'canvasItem') and listItem.canvasItem is not None:
#sel.append(listItem.canvasItem)
#sel = [self.items[item.name] for item in sel]
if len(sel) == 0: if len(sel) == 0:
#self.selectWidget.hide()
return return
multi = len(sel) > 1 multi = len(sel) > 1
for i in self.items: for i in self.items:
#i.ctrlWidget().hide()
## updated the selected state of every item ## updated the selected state of every item
i.selectionChanged(i in sel, multi) i.selectionChanged(i in sel, multi)
if len(sel)==1: if len(sel)==1:
#item = sel[0]
#item.ctrlWidget().show()
self.multiSelectBox.hide() self.multiSelectBox.hide()
self.ui.mirrorSelectionBtn.hide() self.ui.mirrorSelectionBtn.hide()
self.ui.reflectSelectionBtn.hide() self.ui.reflectSelectionBtn.hide()
@ -229,14 +197,6 @@ class Canvas(QtGui.QWidget):
elif len(sel) > 1: elif len(sel) > 1:
self.showMultiSelectBox() self.showMultiSelectBox()
#if item.isMovable():
#self.selectBox.setPos(item.item.pos())
#self.selectBox.setSize(item.item.sceneBoundingRect().size())
#self.selectBox.show()
#else:
#self.selectBox.hide()
#self.emit(QtCore.SIGNAL('itemSelected'), self, item)
self.sigSelectionChanged.emit(self, sel) self.sigSelectionChanged.emit(self, sel)
def selectedItems(self): def selectedItems(self):
@ -245,19 +205,9 @@ class Canvas(QtGui.QWidget):
""" """
return [item.canvasItem() for item in self.itemList.selectedItems() if item.canvasItem() is not None] return [item.canvasItem() for item in self.itemList.selectedItems() if item.canvasItem() is not None]
#def selectedItem(self):
#sel = self.itemList.selectedItems()
#if sel is None or len(sel) < 1:
#return
#return self.items.get(sel[0].name, None)
def selectItem(self, item): def selectItem(self, item):
li = item.listItem li = item.listItem
#li = self.getListItem(item.name())
#print "select", li
self.itemList.setCurrentItem(li) self.itemList.setCurrentItem(li)
def showMultiSelectBox(self): def showMultiSelectBox(self):
## Get list of selected canvas items ## Get list of selected canvas items
@ -281,7 +231,6 @@ class Canvas(QtGui.QWidget):
self.ui.mirrorSelectionBtn.show() self.ui.mirrorSelectionBtn.show()
self.ui.reflectSelectionBtn.show() self.ui.reflectSelectionBtn.show()
self.ui.resetTransformsBtn.show() self.ui.resetTransformsBtn.show()
#self.multiSelectBoxBase = self.multiSelectBox.getState().copy()
def mirrorSelectionClicked(self): def mirrorSelectionClicked(self):
for ci in self.selectedItems(): for ci in self.selectedItems():
@ -312,7 +261,6 @@ class Canvas(QtGui.QWidget):
ci.setTemporaryTransform(transform) ci.setTemporaryTransform(transform)
ci.sigTransformChanged.emit(ci) ci.sigTransformChanged.emit(ci)
def addGraphicsItem(self, item, **opts): def addGraphicsItem(self, item, **opts):
"""Add a new GraphicsItem to the scene at pos. """Add a new GraphicsItem to the scene at pos.
Common options are name, pos, scale, and z Common options are name, pos, scale, and z
@ -321,13 +269,11 @@ class Canvas(QtGui.QWidget):
item._canvasItem = citem item._canvasItem = citem
self.addItem(citem) self.addItem(citem)
return citem return citem
def addGroup(self, name, **kargs): def addGroup(self, name, **kargs):
group = GroupCanvasItem(name=name) group = GroupCanvasItem(name=name)
self.addItem(group, **kargs) self.addItem(group, **kargs)
return group return group
def addItem(self, citem): def addItem(self, citem):
""" """
@ -363,7 +309,6 @@ class Canvas(QtGui.QWidget):
#name = newname #name = newname
## find parent and add item to tree ## find parent and add item to tree
#currentNode = self.itemList.invisibleRootItem()
insertLocation = 0 insertLocation = 0
#print "Inserting node:", name #print "Inserting node:", name
@ -413,11 +358,7 @@ class Canvas(QtGui.QWidget):
node.setCheckState(0, QtCore.Qt.Unchecked) node.setCheckState(0, QtCore.Qt.Unchecked)
node.name = name node.name = name
#if citem.opts['parent'] != None:
## insertLocation is incorrect in this case
parent.insertChild(insertLocation, node) parent.insertChild(insertLocation, node)
#else:
#root.insertChild(insertLocation, node)
citem.name = name citem.name = name
citem.listItem = node citem.listItem = node
@ -435,36 +376,6 @@ class Canvas(QtGui.QWidget):
if len(self.items) == 2: if len(self.items) == 2:
self.autoRange() self.autoRange()
#for n in name:
#nextnode = None
#for x in range(currentNode.childCount()):
#ch = currentNode.child(x)
#if hasattr(ch, 'name'): ## check Z-value of current item to determine insert location
#zval = ch.canvasItem.zValue()
#if zval > z:
###print " ->", x
#insertLocation = x+1
#if n == ch.text(0):
#nextnode = ch
#break
#if nextnode is None: ## If name doesn't exist, create it
#nextnode = QtGui.QTreeWidgetItem([n])
#nextnode.setFlags((nextnode.flags() | QtCore.Qt.ItemIsUserCheckable) & ~QtCore.Qt.ItemIsDropEnabled)
#nextnode.setCheckState(0, QtCore.Qt.Checked)
### Add node to correct position in list by Z-value
###print " ==>", insertLocation
#currentNode.insertChild(insertLocation, nextnode)
#if n == name[-1]: ## This is the leaf; add some extra properties.
#nextnode.name = name
#if n == name[0]: ## This is the root; make the item movable
#nextnode.setFlags(nextnode.flags() | QtCore.Qt.ItemIsDragEnabled)
#else:
#nextnode.setFlags(nextnode.flags() & ~QtCore.Qt.ItemIsDragEnabled)
#currentNode = nextnode
return citem return citem
def treeItemMoved(self, item, parent, index): def treeItemMoved(self, item, parent, index):
@ -481,31 +392,6 @@ class Canvas(QtGui.QWidget):
for i in range(len(siblings)): for i in range(len(siblings)):
item = siblings[i] item = siblings[i]
item.setZValue(zvals[i]) item.setZValue(zvals[i])
#item = self.itemList.topLevelItem(i)
##ci = self.items[item.name]
#ci = item.canvasItem
#if ci is None:
#continue
#if ci.zValue() != zvals[i]:
#ci.setZValue(zvals[i])
#if self.itemList.topLevelItemCount() < 2:
#return
#name = item.name
#gi = self.items[name]
#if index == 0:
#next = self.itemList.topLevelItem(1)
#z = self.items[next.name].zValue()+1
#else:
#prev = self.itemList.topLevelItem(index-1)
#z = self.items[prev.name].zValue()-1
#gi.setZValue(z)
def itemVisibilityChanged(self, item): def itemVisibilityChanged(self, item):
listItem = item.listItem listItem = item.listItem
@ -521,7 +407,6 @@ class Canvas(QtGui.QWidget):
if isinstance(item, QtGui.QTreeWidgetItem): if isinstance(item, QtGui.QTreeWidgetItem):
item = item.canvasItem() item = item.canvasItem()
if isinstance(item, CanvasItem): if isinstance(item, CanvasItem):
item.setCanvas(None) item.setCanvas(None)
listItem = item.listItem listItem = item.listItem
@ -559,15 +444,10 @@ class Canvas(QtGui.QWidget):
def getListItem(self, name): def getListItem(self, name):
return self.items[name] return self.items[name]
#def scene(self):
#return self.view.scene()
def itemTransformChanged(self, item): def itemTransformChanged(self, item):
#self.emit(QtCore.SIGNAL('itemTransformChanged'), self, item)
self.sigItemTransformChanged.emit(self, item) self.sigItemTransformChanged.emit(self, item)
def itemTransformChangeFinished(self, item): def itemTransformChangeFinished(self, item):
#self.emit(QtCore.SIGNAL('itemTransformChangeFinished'), self, item)
self.sigItemTransformChangeFinished.emit(self, item) self.sigItemTransformChangeFinished.emit(self, item)
def itemListContextMenuEvent(self, ev): def itemListContextMenuEvent(self, ev):
@ -575,13 +455,13 @@ class Canvas(QtGui.QWidget):
self.menu.popup(ev.globalPos()) self.menu.popup(ev.globalPos())
def removeClicked(self): def removeClicked(self):
#self.removeItem(self.menuItem)
for item in self.selectedItems(): for item in self.selectedItems():
self.removeItem(item) self.removeItem(item)
self.menuItem = None self.menuItem = None
import gc import gc
gc.collect() gc.collect()
class SelectBox(ROI): class SelectBox(ROI):
def __init__(self, scalable=False): def __init__(self, scalable=False):
#QtGui.QGraphicsRectItem.__init__(self, 0, 0, size[0], size[1]) #QtGui.QGraphicsRectItem.__init__(self, 0, 0, size[0], size[1])
@ -593,14 +473,3 @@ class SelectBox(ROI):
self.addScaleHandle([0, 0], center, lockAspect=True) self.addScaleHandle([0, 0], center, lockAspect=True)
self.addRotateHandle([0, 1], center) self.addRotateHandle([0, 1], center)
self.addRotateHandle([1, 0], center) self.addRotateHandle([1, 0], center)

56
pyqtgraph/canvas/CanvasItem.py
View File

@ -87,14 +87,12 @@ class CanvasItem(QtCore.QObject):
self.alphaSlider.valueChanged.connect(self.alphaChanged) self.alphaSlider.valueChanged.connect(self.alphaChanged)
self.alphaSlider.sliderPressed.connect(self.alphaPressed) self.alphaSlider.sliderPressed.connect(self.alphaPressed)
self.alphaSlider.sliderReleased.connect(self.alphaReleased) self.alphaSlider.sliderReleased.connect(self.alphaReleased)
#self.canvas.sigSelectionChanged.connect(self.selectionChanged)
self.resetTransformBtn.clicked.connect(self.resetTransformClicked) self.resetTransformBtn.clicked.connect(self.resetTransformClicked)
self.copyBtn.clicked.connect(self.copyClicked) self.copyBtn.clicked.connect(self.copyClicked)
self.pasteBtn.clicked.connect(self.pasteClicked) self.pasteBtn.clicked.connect(self.pasteClicked)
self.setMovable(self.opts['movable']) ## update gui to reflect this option self.setMovable(self.opts['movable']) ## update gui to reflect this option
if 'transform' in self.opts: if 'transform' in self.opts:
self.baseTransform = self.opts['transform'] self.baseTransform = self.opts['transform']
else: else:
@ -114,7 +112,6 @@ class CanvasItem(QtCore.QObject):
## every CanvasItem implements its own individual selection box ## every CanvasItem implements its own individual selection box
## so that subclasses are free to make their own. ## so that subclasses are free to make their own.
self.selectBox = SelectBox(scalable=self.opts['scalable'], rotatable=self.opts['rotatable']) self.selectBox = SelectBox(scalable=self.opts['scalable'], rotatable=self.opts['rotatable'])
#self.canvas.scene().addItem(self.selectBox)
self.selectBox.hide() self.selectBox.hide()
self.selectBox.setZValue(1e6) self.selectBox.setZValue(1e6)
self.selectBox.sigRegionChanged.connect(self.selectBoxChanged) ## calls selectBoxMoved self.selectBox.sigRegionChanged.connect(self.selectBoxChanged) ## calls selectBoxMoved
@ -129,16 +126,7 @@ class CanvasItem(QtCore.QObject):
self.tempTransform = SRTTransform() ## holds the additional transform that happens during a move - gets added to the userTransform when move is done. self.tempTransform = SRTTransform() ## holds the additional transform that happens during a move - gets added to the userTransform when move is done.
self.userTransform = SRTTransform() ## stores the total transform of the object self.userTransform = SRTTransform() ## stores the total transform of the object
self.resetUserTransform() self.resetUserTransform()
## now happens inside resetUserTransform -> selectBoxToItem
# self.selectBoxBase = self.selectBox.getState().copy()
#print "Created canvas item", self
#print " base:", self.baseTransform
#print " user:", self.userTransform
#print " temp:", self.tempTransform
#print " bounds:", self.item.sceneBoundingRect()
def setMovable(self, m): def setMovable(self, m):
self.opts['movable'] = m self.opts['movable'] = m
@ -239,7 +227,6 @@ class CanvasItem(QtCore.QObject):
# s=self.updateTransform() # s=self.updateTransform()
# self.setTranslate(-2*s['pos'][0], -2*s['pos'][1]) # self.setTranslate(-2*s['pos'][0], -2*s['pos'][1])
# self.selectBoxFromUser() # self.selectBoxFromUser()
def hasUserTransform(self): def hasUserTransform(self):
#print self.userRotate, self.userTranslate #print self.userRotate, self.userTranslate
@ -255,7 +242,6 @@ class CanvasItem(QtCore.QObject):
def isMovable(self): def isMovable(self):
return self.opts['movable'] return self.opts['movable']
def selectBoxMoved(self): def selectBoxMoved(self):
"""The selection box has moved; get its transformation information and pass to the graphics item""" """The selection box has moved; get its transformation information and pass to the graphics item"""
self.userTransform = self.selectBox.getGlobalTransform(relativeTo=self.selectBoxBase) self.userTransform = self.selectBox.getGlobalTransform(relativeTo=self.selectBoxBase)
@ -290,7 +276,6 @@ class CanvasItem(QtCore.QObject):
self.userTransform.setScale(x, y) self.userTransform.setScale(x, y)
self.selectBoxFromUser() self.selectBoxFromUser()
self.updateTransform() self.updateTransform()
def setTemporaryTransform(self, transform): def setTemporaryTransform(self, transform):
self.tempTransform = transform self.tempTransform = transform
@ -302,21 +287,6 @@ class CanvasItem(QtCore.QObject):
self.resetTemporaryTransform() self.resetTemporaryTransform()
self.selectBoxFromUser() ## update the selection box to match the new userTransform self.selectBoxFromUser() ## update the selection box to match the new userTransform
#st = self.userTransform.saveState()
#self.userTransform = self.userTransform * self.tempTransform ## order is important!
#### matrix multiplication affects the scale factors, need to reset
#if st['scale'][0] < 0 or st['scale'][1] < 0:
#nst = self.userTransform.saveState()
#self.userTransform.setScale([-nst['scale'][0], -nst['scale'][1]])
#self.resetTemporaryTransform()
#self.selectBoxFromUser()
#self.selectBoxChangeFinished()
def resetTemporaryTransform(self): def resetTemporaryTransform(self):
self.tempTransform = SRTTransform() ## don't use Transform.reset()--this transform might be used elsewhere. self.tempTransform = SRTTransform() ## don't use Transform.reset()--this transform might be used elsewhere.
self.updateTransform() self.updateTransform()
@ -339,20 +309,13 @@ class CanvasItem(QtCore.QObject):
def displayTransform(self, transform): def displayTransform(self, transform):
"""Updates transform numbers in the ctrl widget.""" """Updates transform numbers in the ctrl widget."""
tr = transform.saveState() tr = transform.saveState()
self.transformGui.translateLabel.setText("Translate: (%f, %f)" %(tr['pos'][0], tr['pos'][1])) self.transformGui.translateLabel.setText("Translate: (%f, %f)" %(tr['pos'][0], tr['pos'][1]))
self.transformGui.rotateLabel.setText("Rotate: %f degrees" %tr['angle']) self.transformGui.rotateLabel.setText("Rotate: %f degrees" %tr['angle'])
self.transformGui.scaleLabel.setText("Scale: (%f, %f)" %(tr['scale'][0], tr['scale'][1])) self.transformGui.scaleLabel.setText("Scale: (%f, %f)" %(tr['scale'][0], tr['scale'][1]))
#self.transformGui.mirrorImageCheck.setChecked(False)
#if tr['scale'][0] < 0:
# self.transformGui.mirrorImageCheck.setChecked(True)
def resetUserTransform(self): def resetUserTransform(self):
#self.userRotate = 0
#self.userTranslate = pg.Point(0,0)
self.userTransform.reset() self.userTransform.reset()
self.updateTransform() self.updateTransform()
@ -368,8 +331,6 @@ class CanvasItem(QtCore.QObject):
def restoreTransform(self, tr): def restoreTransform(self, tr):
try: try:
#self.userTranslate = pg.Point(tr['trans'])
#self.userRotate = tr['rot']
self.userTransform = SRTTransform(tr) self.userTransform = SRTTransform(tr)
self.updateTransform() self.updateTransform()
@ -377,16 +338,11 @@ class CanvasItem(QtCore.QObject):
self.sigTransformChanged.emit(self) self.sigTransformChanged.emit(self)
self.sigTransformChangeFinished.emit(self) self.sigTransformChangeFinished.emit(self)
except: except:
#self.userTranslate = pg.Point([0,0])
#self.userRotate = 0
self.userTransform = SRTTransform() self.userTransform = SRTTransform()
debug.printExc("Failed to load transform:") debug.printExc("Failed to load transform:")
#print "set transform", self, self.userTranslate
def saveTransform(self): def saveTransform(self):
"""Return a dict containing the current user transform""" """Return a dict containing the current user transform"""
#print "save transform", self, self.userTranslate
#return {'trans': list(self.userTranslate), 'rot': self.userRotate}
return self.userTransform.saveState() return self.userTransform.saveState()
def selectBoxFromUser(self): def selectBoxFromUser(self):
@ -404,7 +360,6 @@ class CanvasItem(QtCore.QObject):
#self.selectBox.setAngle(self.userRotate) #self.selectBox.setAngle(self.userRotate)
#self.selectBox.setPos([x2, y2]) #self.selectBox.setPos([x2, y2])
self.selectBox.blockSignals(False) self.selectBox.blockSignals(False)
def selectBoxToItem(self): def selectBoxToItem(self):
"""Move/scale the selection box so it fits the item's bounding rect. (assumes item is not rotated)""" """Move/scale the selection box so it fits the item's bounding rect. (assumes item is not rotated)"""
@ -424,11 +379,6 @@ class CanvasItem(QtCore.QObject):
self.opts['z'] = z self.opts['z'] = z
if z is not None: if z is not None:
self._graphicsItem.setZValue(z) self._graphicsItem.setZValue(z)
#def selectionChanged(self, canvas, items):
#self.selected = len(items) == 1 and (items[0] is self)
#self.showSelectBox()
def selectionChanged(self, sel, multi): def selectionChanged(self, sel, multi):
""" """
@ -456,16 +406,12 @@ class CanvasItem(QtCore.QObject):
def hideSelectBox(self): def hideSelectBox(self):
self.selectBox.hide() self.selectBox.hide()
def selectBoxChanged(self): def selectBoxChanged(self):
self.selectBoxMoved() self.selectBoxMoved()
#self.updateTransform(self.selectBox)
#self.emit(QtCore.SIGNAL('transformChanged'), self)
self.sigTransformChanged.emit(self) self.sigTransformChanged.emit(self)
def selectBoxChangeFinished(self): def selectBoxChangeFinished(self):
#self.emit(QtCore.SIGNAL('transformChangeFinished'), self)
self.sigTransformChangeFinished.emit(self) self.sigTransformChangeFinished.emit(self)
def alphaPressed(self): def alphaPressed(self):