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Minor changes and fixes:

Browse Source 
- documentation updates
   - PlotItem informs all items when switching to log mode
   - GradientEditorItem has sigGradientChangeFinished
   - ParameterTree list types check linits on initialization
   - Fixed RuntimeError in TreeWidget.clear()
This commit is contained in:
Luke Campagnola 2012-10-31 01:53:16 -04:00
parent b09182d19a
commit 679de86509
7 changed files with 59 additions and 17 deletions
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13
dockarea/DockArea.py
View File

@ -208,6 +208,10 @@ class DockArea(Container, QtGui.QWidget, DockDrop):
def restoreState(self, state):
"""
Restore Dock configuration as generated by saveState.
Note that this function does not create any Docks--it will only
restore the arrangement of an existing set of Docks.
"""
## 1) make dict of all docks and list of existing containers
@ -240,8 +244,11 @@ class DockArea(Container, QtGui.QWidget, DockDrop):
typ, contents, state = state
pfx = " " * depth
if typ == 'dock':
obj = docks[contents]
del docks[contents]
try:
obj = docks[contents]
del docks[contents]
except KeyError:
raise Exception('Cannot restore dock state; no dock with name "%s"' % contents)
else:
obj = self.makeContainer(typ)
@ -270,7 +277,7 @@ class DockArea(Container, QtGui.QWidget, DockDrop):
if isinstance(obj, Dock):
d[obj.name()] = obj
else:
elif obj is not None:
c.append(obj)
for i in range(obj.count()):
o2 = obj.widget(i)

42
graphicsItems/GradientEditorItem.py
View File

@ -165,6 +165,9 @@ class TickSliderItem(GraphicsWidget):
tick.setPos(pos)
self.ticks[tick] = float(newX) / self.length
def tickMoveFinished(self, tick):
pass
def tickClicked(self, tick, ev):
if ev.button() == QtCore.Qt.RightButton:
self.removeTick(tick)
@ -340,16 +343,18 @@ class GradientEditorItem(TickSliderItem):
customizable by the user. :class: `GradientWidget <pyqtgraph.GradientWidget>` provides a widget
with a GradientEditorItem that can be added to a GUI.
======================== ===========================================================
================================ ===========================================================
**Signals**
sigGradientChanged(self) Signal is emitted anytime the gradient changes. The signal
is emitted in real time while ticks are being dragged or
colors are being changed.
======================== ===========================================================
sigGradientChanged(self) Signal is emitted anytime the gradient changes. The signal
is emitted in real time while ticks are being dragged or
colors are being changed.
sigGradientChangeFinished(self) Signal is emitted when the gradient is finished changing.
================================ ===========================================================
"""
sigGradientChanged = QtCore.Signal(object)
sigGradientChangeFinished = QtCore.Signal(object)
def __init__(self, *args, **kargs):
"""
@ -381,6 +386,7 @@ class GradientEditorItem(TickSliderItem):
self.colorDialog.currentColorChanged.connect(self.currentColorChanged)
self.colorDialog.rejected.connect(self.currentColorRejected)
self.colorDialog.accepted.connect(self.currentColorAccepted)
self.backgroundRect.setParentItem(self)
self.gradRect.setParentItem(self)
@ -508,6 +514,9 @@ class GradientEditorItem(TickSliderItem):
self.setTickColor(self.currentTick, self.currentTickColor)
self.updateGradient()
def currentColorAccepted(self):
self.sigGradientChangeFinished.emit(self)
def tickClicked(self, tick, ev):
#private
if ev.button() == QtCore.Qt.LeftButton:
@ -533,6 +542,9 @@ class GradientEditorItem(TickSliderItem):
TickSliderItem.tickMoved(self, tick, pos)
self.updateGradient()
def tickMoveFinished(self, tick):
self.sigGradientChangeFinished.emit(self)
def getGradient(self):
"""Return a QLinearGradient object."""
@ -669,7 +681,7 @@ class GradientEditorItem(TickSliderItem):
TickSliderItem.mouseReleaseEvent(self, ev)
self.updateGradient()
def addTick(self, x, color=None, movable=True):
def addTick(self, x, color=None, movable=True, finish=True):
"""
Add a tick to the gradient. Return the tick.
@ -688,7 +700,17 @@ class GradientEditorItem(TickSliderItem):
t = TickSliderItem.addTick(self, x, color=color, movable=movable)
t.colorChangeAllowed = True
t.removeAllowed = True
if finish:
self.sigGradientChangeFinished.emit(self)
return t
def removeTick(self, tick, finish=True):
TickSliderItem.removeTick(self, tick)
if finish:
self.sigGradientChangeFinished.emit(self)
def saveState(self):
"""
@ -723,13 +745,14 @@ class GradientEditorItem(TickSliderItem):
## public
self.setColorMode(state['mode'])
for t in list(self.ticks.keys()):
self.removeTick(t)
self.removeTick(t, finish=False)
for t in state['ticks']:
c = QtGui.QColor(*t[1])
self.addTick(t[0], c)
self.addTick(t[0], c, finish=False)
self.updateGradient()
self.sigGradientChangeFinished.emit(self)
class Tick(GraphicsObject):
## private class
@ -791,6 +814,7 @@ class Tick(GraphicsObject):
if ev.isFinish():
self.moving = False
self.sigMoved.emit(self)
self.view().tickMoveFinished(self)
def mouseClickEvent(self, ev):
if ev.button() == QtCore.Qt.RightButton and self.moving:

2
graphicsItems/PlotDataItem.py
View File

@ -361,9 +361,11 @@ class PlotDataItem(GraphicsObject):
self.updateItems()
prof.mark('update items')
view = self.getViewBox()
if view is not None:
view.itemBoundsChanged(self) ## inform view so it can update its range if it wants
self.sigPlotChanged.emit(self)
prof.mark('emit')
prof.finish()

10
graphicsItems/PlotItem/PlotItem.py
View File

@ -506,12 +506,14 @@ class PlotItem(GraphicsWidget):
self.curves.append(item)
#self.addItem(c)
if hasattr(item, 'setLogMode'):
item.setLogMode(self.ctrl.logXCheck.isChecked(), self.ctrl.logYCheck.isChecked())
if isinstance(item, PlotDataItem):
## configure curve for this plot
(alpha, auto) = self.alphaState()
item.setAlpha(alpha, auto)
item.setFftMode(self.ctrl.fftCheck.isChecked())
item.setLogMode(self.ctrl.logXCheck.isChecked(), self.ctrl.logYCheck.isChecked())
item.setDownsampling(self.downsampleMode())
item.setPointMode(self.pointMode())
@ -526,6 +528,7 @@ class PlotItem(GraphicsWidget):
#c.connect(c, QtCore.SIGNAL('plotChanged'), self.plotChanged)
#item.sigPlotChanged.connect(self.plotChanged)
#self.plotChanged()
def addDataItem(self, item, *args):
print("PlotItem.addDataItem is deprecated. Use addItem instead.")
@ -878,8 +881,9 @@ class PlotItem(GraphicsWidget):
def updateLogMode(self):
x = self.ctrl.logXCheck.isChecked()
y = self.ctrl.logYCheck.isChecked()
for c in self.curves:
c.setLogMode(x,y)
for i in self.items:
if hasattr(i, 'setLogMode'):
i.setLogMode(x,y)
self.getAxis('bottom').setLogMode(x)
self.getAxis('top').setLogMode(x)
self.getAxis('left').setLogMode(y)

1
parametertree/parameterTypes.py
View File

@ -516,6 +516,7 @@ class ListParameter(Parameter):
if opts.get('limits', None) is None:
opts['limits'] = []
Parameter.__init__(self, **opts)
self.setLimits(opts['limits'])
def setLimits(self, limits):
self.forward, self.reverse = self.mapping(limits)

2
widgets/GradientWidget.py
View File

@ -11,6 +11,7 @@ __all__ = ['TickSlider', 'GradientWidget', 'BlackWhiteSlider']
class GradientWidget(GraphicsView):
sigGradientChanged = QtCore.Signal(object)
sigGradientChangeFinished = QtCore.Signal(object)
def __init__(self, parent=None, orientation='bottom', *args, **kargs):
GraphicsView.__init__(self, parent, useOpenGL=False, background=None)
@ -18,6 +19,7 @@ class GradientWidget(GraphicsView):
kargs['tickPen'] = 'k'
self.item = GradientEditorItem(*args, **kargs)
self.item.sigGradientChanged.connect(self.sigGradientChanged)
self.item.sigGradientChangeFinished.connect(self.sigGradientChangeFinished)
self.setCentralItem(self.item)
self.setOrientation(orientation)
self.setCacheMode(self.CacheNone)

6
widgets/TreeWidget.py
View File

@ -201,8 +201,10 @@ class TreeWidget(QtGui.QTreeWidget):
for item in items:
self.prepareMove(item)
QtGui.QTreeWidget.clear(self)
for item in items:
self.informTreeWidgetChange(item)
## Why do we want to do this? It causes RuntimeErrors.
#for item in items:
#self.informTreeWidgetChange(item)
class TreeWidgetItem(QtGui.QTreeWidgetItem):