def __init__(self, *args, **kwargs):
TimerBase.__init__(self, *args, **kwargs)
# Create a new timer and connect the timeout() signal to the
# _on_timer method.
self._timer = QtCore.QTimer()
self._timer.connect(QtCore.SIGNAL('timeout()'), self._on_timer)
def __init__(self, canvas, num):
if DEBUG: print('FigureManagerQT.%s' % fn_name())
FigureManagerBase.__init__(self, canvas, num)
self.canvas = canvas
self.window = QtGui.QMainWindow()
self.window.setAttribute(QtCore.Qt.WA_DeleteOnClose)
self.window.setWindowTitle("Figure %d" % num)
image = os.path.join(matplotlib.rcParams['datapath'], 'images',
'matplotlib.png')
self.window.setWindowIcon(QtGui.QIcon(image))
# Give the keyboard focus to the figure instead of the
# manager; StrongFocus accepts both tab and click to focus and
# will enable the canvas to process event w/o clicking.
# ClickFocus only takes the focus is the window has been
# clicked
# on. http://developer.qt.nokia.com/doc/qt-4.8/qt.html#FocusPolicy-enum
self.canvas.setFocusPolicy(QtCore.Qt.StrongFocus)
self.canvas.setFocus()
QtCore.QObject.connect(self.window, QtCore.SIGNAL('destroyed()'),
self._widgetclosed)
self.window._destroying = False
self.toolbar = self._get_toolbar(self.canvas, self.window)
if self.toolbar is not None:
self.window.addToolBar(self.toolbar)
QtCore.QObject.connect(self.toolbar, QtCore.SIGNAL("message"),
self._show_message)
tbs_height = self.toolbar.sizeHint().height()
else:
tbs_height = 0
# resize the main window so it will display the canvas with the
# requested size:
cs = canvas.sizeHint()
sbs = self.window.statusBar().sizeHint()
self._status_and_tool_height = tbs_height + sbs.height()
height = cs.height() + self._status_and_tool_height
self.window.resize(cs.width(), height)
self.window.setCentralWidget(self.canvas)
if matplotlib.is_interactive():
self.window.show()
# attach a show method to the figure for pylab ease of use
self.canvas.figure.show = lambda *args: self.window.show()
def notify_axes_change(fig):
# This will be called whenever the current axes is changed
if self.toolbar is not None:
self.toolbar.update()
self.canvas.figure.add_axobserver(notify_axes_change)
def _create_qApp():
"""
Only one qApp can exist at a time, so check before creating one.
"""
if QtGui.QApplication.startingUp():
if DEBUG: print("Starting up QApplication")
global qApp
app = QtGui.QApplication.instance()
if app is None:
qApp = QtGui.QApplication([" "])
QtCore.QObject.connect(qApp, QtCore.SIGNAL("lastWindowClosed()"),
qApp, QtCore.SLOT("quit()"))
else:
qApp = app
def __init__(self, canvas, num):
if DEBUG: print 'FigureManagerQT.%s' % fn_name()
FigureManagerBase.__init__(self, canvas, num)
self.canvas = canvas
self.window = QtGui.QMainWindow()
self.window.setAttribute(QtCore.Qt.WA_DeleteOnClose)
self.window.setWindowTitle("Figure %d" % num)
image = os.path.join(matplotlib.rcParams['datapath'], 'images',
'matplotlib.png')
self.window.setWindowIcon(QtGui.QIcon(image))
# Give the keyboard focus to the figure instead of the manager
self.canvas.setFocusPolicy(QtCore.Qt.ClickFocus)
self.canvas.setFocus()
QtCore.QObject.connect(self.window, QtCore.SIGNAL('destroyed()'),
self._widgetclosed)
self.window._destroying = False
self.toolbar = self._get_toolbar(self.canvas, self.window)
if self.toolbar is not None:
self.window.addToolBar(self.toolbar)
QtCore.QObject.connect(self.toolbar, QtCore.SIGNAL("message"),
self._show_message)
tbs_height = self.toolbar.sizeHint().height()
else:
tbs_height = 0
# resize the main window so it will display the canvas with the
# requested size:
cs = canvas.sizeHint()
sbs = self.window.statusBar().sizeHint()
self.window.resize(cs.width(), cs.height() + tbs_height + sbs.height())
self.window.setCentralWidget(self.canvas)
if matplotlib.is_interactive():
self.window.show()
# attach a show method to the figure for pylab ease of use
self.canvas.figure.show = lambda *args: self.window.show()
def notify_axes_change(fig):
# This will be called whenever the current axes is changed
if self.toolbar is not None:
self.toolbar.update()
self.canvas.figure.add_axobserver(notify_axes_change)
def _create_qApp():
"""
Only one qApp can exist at a time, so check before creating one.
"""
return
# Disabled since QApplication is already there
if QtGui.QApplication.startingUp():
if DEBUG: print "Starting up QApplication"
global qApp
app = QtGui.QApplication.instance()
if app is None:
qApp = QtGui.QApplication([" "])
qApp.connect(QtCore.SIGNAL("lastWindowClosed()"), qApp,
QtCore.SLOT("quit()"))
else:
qApp = app
def __init__(self, figure):
if DEBUG: print('FigureCanvasQt: ', figure)
_create_qApp()
QtGui.QWidget.__init__(self)
FigureCanvasBase.__init__(self, figure)
self.figure = figure
self.setMouseTracking(True)
self._idle = True
# hide until we can test and fix
#self.startTimer(backend_IdleEvent.milliseconds)
w, h = self.get_width_height()
self.resize(w, h)
# JDH: Note the commented out code below does not work as
# expected, because according to Pierre Raybaut, The reason is
# that PyQt fails (silently) to call a method of this object
# just before detroying it. Using a lambda function will work,
# exactly the same as using a function (which is not bound to
# the object to be destroyed).
#
#QtCore.QObject.connect(self, QtCore.SIGNAL('destroyed()'),
# self.close_event)
QtCore.QObject.connect(self, QtCore.SIGNAL('destroyed()'),
lambda: self.close_event())
def destroy(self, *args):
if self.window._destroying: return
self.window._destroying = True
self.window.disconnect(QtCore.SIGNAL('destroyed()'),
self._widgetclosed)
if self.toolbar: self.toolbar.destroy()
if DEBUG: print "destroy figure manager"
self.window.close()
def __del__(self):
# Probably not necessary in practice, but is good behavior to disconnect
try:
TimerBase.__del__(self)
QtCore.QObject.disconnect(self._timer,
QtCore.SIGNAL('timeout()'), self._on_timer)
except RuntimeError:
# Timer C++ object already deleted
pass
def destroy(self, *args):
# check for qApp first, as PySide deletes it in its atexit handler
if QtGui.QApplication.instance() is None: return
if self.window._destroying: return
self.window._destroying = True
QtCore.QObject.disconnect(self.window, QtCore.SIGNAL('destroyed()'),
self._widgetclosed)
if self.toolbar: self.toolbar.destroy()
if DEBUG: print("destroy figure manager")
self.window.close()
def _create_qApp():
"""
Only one qApp can exist at a time, so check before creating one.
"""
if QtGui.QApplication.startingUp():
if DEBUG: print("Starting up QApplication")
global qApp
app = QtGui.QApplication.instance()
if app is None:
# check for DISPLAY env variable on X11 build of Qt
if hasattr(QtGui, "QX11Info"):
display = os.environ.get('DISPLAY')
if display is None or not re.search(':\d', display):
raise RuntimeError('Invalid DISPLAY variable')
qApp = QtGui.QApplication([" "])
QtCore.QObject.connect(qApp, QtCore.SIGNAL("lastWindowClosed()"),
qApp, QtCore.SLOT("quit()"))
else:
qApp = app
def __init__(self, figure):
if DEBUG: print 'FigureCanvasQt: ', figure
_create_qApp()
QtGui.QWidget.__init__(self)
FigureCanvasBase.__init__(self, figure)
self.figure = figure
self.setMouseTracking(True)
self._idle = True
# hide until we can test and fix
#self.startTimer(backend_IdleEvent.milliseconds)
w, h = self.get_width_height()
self.resize(w, h)
self.connect(QtCore.SIGNAL('destroyed()'), self.close_event)
def minumumSizeHint(self):
return QtCore.QSize(10, 10)
def sizeHint(self):
w, h = self.get_width_height()
return QtCore.QSize(w, h)
def sizeHint(self):
if DEBUG: print "FigureCanvasQt.sizeHint()"
w, h = self.get_width_height()
return QtCore.QSize(w, h)
def __del__(self):
# Probably not necessary in practice, but is good behavior to disconnect
TimerBase.__del__(self)
QtCore.QObject.disconnect(self._timer, QtCore.SIGNAL('timeout()'),
self._on_timer)
def minumumSizeHint(self):
if DEBUG: print "FigureCanvasQt.minumumSizeHint()"
return QtCore.QSize(10, 10)
def set_message(self, s):
self.emit(QtCore.SIGNAL("message"), s)
if self.coordinates:
self.locLabel.setText(s.replace(', ', '\n'))
def __init__(self, targetfig, parent):
QtGui.QWidget.__init__(self, None)
self.targetfig = targetfig
self.parent = parent
self.sliderleft = QtGui.QSlider(QtCore.Qt.Horizontal)
self.sliderbottom = QtGui.QSlider(QtCore.Qt.Vertical)
self.sliderright = QtGui.QSlider(QtCore.Qt.Horizontal)
self.slidertop = QtGui.QSlider(QtCore.Qt.Vertical)
self.sliderwspace = QtGui.QSlider(QtCore.Qt.Horizontal)
self.sliderhspace = QtGui.QSlider(QtCore.Qt.Vertical)
# constraints
QtCore.QObject.connect(self.sliderleft,
QtCore.SIGNAL("valueChanged(int)"),
self.sliderright.setMinimum)
QtCore.QObject.connect(self.sliderright,
QtCore.SIGNAL("valueChanged(int)"),
self.sliderleft.setMaximum)
QtCore.QObject.connect(self.sliderbottom,
QtCore.SIGNAL("valueChanged(int)"),
self.slidertop.setMinimum)
QtCore.QObject.connect(self.slidertop,
QtCore.SIGNAL("valueChanged(int)"),
self.sliderbottom.setMaximum)
sliders = (
self.sliderleft,
self.sliderbottom,
self.sliderright,
self.slidertop,
self.sliderwspace,
self.sliderhspace,
)
adjustments = ('left:', 'bottom:', 'right:', 'top:', 'wspace:',
'hspace:')
for slider, adjustment in zip(sliders, adjustments):
slider.setMinimum(0)
slider.setMaximum(1000)
slider.setSingleStep(5)
layout = QtGui.QGridLayout()
leftlabel = QtGui.QLabel('left')
layout.addWidget(leftlabel, 2, 0)
layout.addWidget(self.sliderleft, 2, 1)
toplabel = QtGui.QLabel('top')
layout.addWidget(toplabel, 0, 2)
layout.addWidget(self.slidertop, 1, 2)
layout.setAlignment(self.slidertop, QtCore.Qt.AlignHCenter)
bottomlabel = QtGui.QLabel('bottom')
layout.addWidget(QtGui.QLabel('bottom'), 4, 2)
layout.addWidget(self.sliderbottom, 3, 2)
layout.setAlignment(self.sliderbottom, QtCore.Qt.AlignHCenter)
rightlabel = QtGui.QLabel('right')
layout.addWidget(rightlabel, 2, 4)
layout.addWidget(self.sliderright, 2, 3)
hspacelabel = QtGui.QLabel('hspace')
layout.addWidget(hspacelabel, 0, 6)
layout.setAlignment(hspacelabel, QtCore.Qt.AlignHCenter)
layout.addWidget(self.sliderhspace, 1, 6)
layout.setAlignment(self.sliderhspace, QtCore.Qt.AlignHCenter)
wspacelabel = QtGui.QLabel('wspace')
layout.addWidget(wspacelabel, 4, 6)
layout.setAlignment(wspacelabel, QtCore.Qt.AlignHCenter)
layout.addWidget(self.sliderwspace, 3, 6)
layout.setAlignment(self.sliderwspace, QtCore.Qt.AlignBottom)
layout.setRowStretch(1, 1)
layout.setRowStretch(3, 1)
layout.setColumnStretch(1, 1)
layout.setColumnStretch(3, 1)
layout.setColumnStretch(6, 1)
self.setLayout(layout)
self.sliderleft.setSliderPosition(
int(targetfig.subplotpars.left * 1000))
self.sliderbottom.setSliderPosition(\
int(targetfig.subplotpars.bottom*1000))
self.sliderright.setSliderPosition(\
int(targetfig.subplotpars.right*1000))
self.slidertop.setSliderPosition(int(targetfig.subplotpars.top * 1000))
self.sliderwspace.setSliderPosition(\
int(targetfig.subplotpars.wspace*1000))
self.sliderhspace.setSliderPosition(\
int(targetfig.subplotpars.hspace*1000))
QtCore.QObject.connect(self.sliderleft,
QtCore.SIGNAL("valueChanged(int)"),
self.funcleft)
QtCore.QObject.connect(self.sliderbottom,
QtCore.SIGNAL("valueChanged(int)"),
self.funcbottom)
QtCore.QObject.connect(self.sliderright,
QtCore.SIGNAL("valueChanged(int)"),
self.funcright)
QtCore.QObject.connect(self.slidertop,
QtCore.SIGNAL("valueChanged(int)"),
self.functop)
QtCore.QObject.connect(self.sliderwspace,
QtCore.SIGNAL("valueChanged(int)"),
self.funcwspace)
QtCore.QObject.connect(self.sliderhspace,
QtCore.SIGNAL("valueChanged(int)"),
self.funchspace)
def closeEvent(self, event):
self.emit(QtCore.SIGNAL('closing()'))
QtGui.QMainWindow.closeEvent(self, event)
