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"""The Qt MainWindow for the QtConsole
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This is a tabbed pseudo-terminal of IPython sessions, with a menu bar for
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common actions.
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Authors:
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* Evan Patterson
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* Min RK
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* Erik Tollerud
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* Fernando Perez
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* Bussonnier Matthias
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* Thomas Kluyver
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* Paul Ivanov
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"""
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#-----------------------------------------------------------------------------
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# Imports
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#-----------------------------------------------------------------------------
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# stdlib imports
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import json
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import re
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import sys
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import webbrowser
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from threading import Thread
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# System library imports
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from IPython.external.qt import QtGui,QtCore
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from IPython.core.magic import magic_escapes
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def background(f):
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"""call a function in a simple thread, to prevent blocking"""
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t = Thread(target=f)
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t.start()
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return t
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#-----------------------------------------------------------------------------
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# Classes
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#-----------------------------------------------------------------------------
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class MainWindow(QtGui.QMainWindow):
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#---------------------------------------------------------------------------
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# 'object' interface
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#---------------------------------------------------------------------------
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_magic_menu_dict = {}
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def __init__(self, app,
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confirm_exit=True,
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new_frontend_factory=None, slave_frontend_factory=None,
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):
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""" Create a tabbed MainWindow for managing IPython FrontendWidgets
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Parameters
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----------
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app : reference to QApplication parent
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confirm_exit : bool, optional
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Whether we should prompt on close of tabs
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new_frontend_factory : callable
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A callable that returns a new IPythonWidget instance, attached to
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its own running kernel.
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slave_frontend_factory : callable
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A callable that takes an existing IPythonWidget, and returns a new
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IPythonWidget instance, attached to the same kernel.
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"""
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super(MainWindow, self).__init__()
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self._kernel_counter = 0
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self._app = app
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self.confirm_exit = confirm_exit
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self.new_frontend_factory = new_frontend_factory
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self.slave_frontend_factory = slave_frontend_factory
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self.tab_widget = QtGui.QTabWidget(self)
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self.tab_widget.setDocumentMode(True)
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self.tab_widget.setTabsClosable(True)
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self.tab_widget.tabCloseRequested[int].connect(self.close_tab)
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self.setCentralWidget(self.tab_widget)
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# hide tab bar at first, since we have no tabs:
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self.tab_widget.tabBar().setVisible(False)
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# prevent focus in tab bar
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self.tab_widget.setFocusPolicy(QtCore.Qt.NoFocus)
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def update_tab_bar_visibility(self):
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""" update visibility of the tabBar depending of the number of tab
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0 or 1 tab, tabBar hidden
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2+ tabs, tabBar visible
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send a self.close if number of tab ==0
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need to be called explicitly, or be connected to tabInserted/tabRemoved
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"""
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if self.tab_widget.count() <= 1:
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self.tab_widget.tabBar().setVisible(False)
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else:
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self.tab_widget.tabBar().setVisible(True)
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if self.tab_widget.count()==0 :
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self.close()
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@property
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def next_kernel_id(self):
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"""constantly increasing counter for kernel IDs"""
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c = self._kernel_counter
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self._kernel_counter += 1
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return c
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@property
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def active_frontend(self):
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return self.tab_widget.currentWidget()
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def create_tab_with_new_frontend(self):
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"""create a new frontend and attach it to a new tab"""
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widget = self.new_frontend_factory()
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self.add_tab_with_frontend(widget)
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def create_tab_with_current_kernel(self):
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"""create a new frontend attached to the same kernel as the current tab"""
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current_widget = self.tab_widget.currentWidget()
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current_widget_index = self.tab_widget.indexOf(current_widget)
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current_widget_name = self.tab_widget.tabText(current_widget_index)
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widget = self.slave_frontend_factory(current_widget)
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if 'slave' in current_widget_name:
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# don't keep stacking slaves
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name = current_widget_name
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else:
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name = '(%s) slave' % current_widget_name
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self.add_tab_with_frontend(widget,name=name)
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def close_tab(self,current_tab):
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""" Called when you need to try to close a tab.
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It takes the number of the tab to be closed as argument, or a reference
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to the widget inside this tab
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"""
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# let's be sure "tab" and "closing widget" are respectively the index
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# of the tab to close and a reference to the frontend to close
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if type(current_tab) is not int :
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current_tab = self.tab_widget.indexOf(current_tab)
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closing_widget=self.tab_widget.widget(current_tab)
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# when trying to be closed, widget might re-send a request to be
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# closed again, but will be deleted when event will be processed. So
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# need to check that widget still exists and skip if not. One example
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# of this is when 'exit' is sent in a slave tab. 'exit' will be
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# re-sent by this function on the master widget, which ask all slave
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# widgets to exit
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if closing_widget==None:
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return
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#get a list of all slave widgets on the same kernel.
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slave_tabs = self.find_slave_widgets(closing_widget)
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keepkernel = None #Use the prompt by default
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if hasattr(closing_widget,'_keep_kernel_on_exit'): #set by exit magic
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keepkernel = closing_widget._keep_kernel_on_exit
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# If signal sent by exit magic (_keep_kernel_on_exit, exist and not None)
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# we set local slave tabs._hidden to True to avoid prompting for kernel
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# restart when they get the signal. and then "forward" the 'exit'
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# to the main window
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if keepkernel is not None:
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for tab in slave_tabs:
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tab._hidden = True
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if closing_widget in slave_tabs:
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try :
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self.find_master_tab(closing_widget).execute('exit')
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except AttributeError:
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self.log.info("Master already closed or not local, closing only current tab")
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self.tab_widget.removeTab(current_tab)
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self.update_tab_bar_visibility()
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return
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kernel_client = closing_widget.kernel_client
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kernel_manager = closing_widget.kernel_manager
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if keepkernel is None and not closing_widget._confirm_exit:
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# don't prompt, just terminate the kernel if we own it
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# or leave it alone if we don't
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keepkernel = closing_widget._existing
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if keepkernel is None: #show prompt
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if kernel_client and kernel_client.channels_running:
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title = self.window().windowTitle()
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cancel = QtGui.QMessageBox.Cancel
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okay = QtGui.QMessageBox.Ok
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if closing_widget._may_close:
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msg = "You are closing the tab : "+'"'+self.tab_widget.tabText(current_tab)+'"'
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info = "Would you like to quit the Kernel and close all attached Consoles as well?"
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justthis = QtGui.QPushButton("&No, just this Tab", self)
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justthis.setShortcut('N')
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closeall = QtGui.QPushButton("&Yes, close all", self)
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closeall.setShortcut('Y')
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# allow ctrl-d ctrl-d exit, like in terminal
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closeall.setShortcut('Ctrl+D')
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box = QtGui.QMessageBox(QtGui.QMessageBox.Question,
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title, msg)
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box.setInformativeText(info)
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box.addButton(cancel)
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box.addButton(justthis, QtGui.QMessageBox.NoRole)
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box.addButton(closeall, QtGui.QMessageBox.YesRole)
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box.setDefaultButton(closeall)
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box.setEscapeButton(cancel)
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pixmap = QtGui.QPixmap(self._app.icon.pixmap(QtCore.QSize(64,64)))
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box.setIconPixmap(pixmap)
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reply = box.exec_()
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if reply == 1: # close All
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for slave in slave_tabs:
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background(slave.kernel_client.stop_channels)
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self.tab_widget.removeTab(self.tab_widget.indexOf(slave))
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closing_widget.execute("exit")
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self.tab_widget.removeTab(current_tab)
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background(kernel_client.stop_channels)
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elif reply == 0: # close Console
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if not closing_widget._existing:
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# Have kernel: don't quit, just close the tab
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closing_widget.execute("exit True")
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self.tab_widget.removeTab(current_tab)
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background(kernel_client.stop_channels)
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else:
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reply = QtGui.QMessageBox.question(self, title,
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"Are you sure you want to close this Console?"+
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"\nThe Kernel and other Consoles will remain active.",
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okay|cancel,
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defaultButton=okay
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)
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if reply == okay:
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self.tab_widget.removeTab(current_tab)
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elif keepkernel: #close console but leave kernel running (no prompt)
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self.tab_widget.removeTab(current_tab)
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background(kernel_client.stop_channels)
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else: #close console and kernel (no prompt)
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self.tab_widget.removeTab(current_tab)
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if kernel_client and kernel_client.channels_running:
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for slave in slave_tabs:
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background(slave.kernel_client.stop_channels)
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self.tab_widget.removeTab(self.tab_widget.indexOf(slave))
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if kernel_manager:
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kernel_manager.shutdown_kernel()
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background(kernel_client.stop_channels)
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self.update_tab_bar_visibility()
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def add_tab_with_frontend(self,frontend,name=None):
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""" insert a tab with a given frontend in the tab bar, and give it a name
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"""
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if not name:
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name = 'kernel %i' % self.next_kernel_id
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self.tab_widget.addTab(frontend,name)
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self.update_tab_bar_visibility()
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self.make_frontend_visible(frontend)
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frontend.exit_requested.connect(self.close_tab)
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def next_tab(self):
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self.tab_widget.setCurrentIndex((self.tab_widget.currentIndex()+1))
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def prev_tab(self):
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self.tab_widget.setCurrentIndex((self.tab_widget.currentIndex()-1))
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def make_frontend_visible(self,frontend):
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widget_index=self.tab_widget.indexOf(frontend)
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if widget_index > 0 :
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self.tab_widget.setCurrentIndex(widget_index)
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def find_master_tab(self,tab,as_list=False):
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"""
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Try to return the frontend that owns the kernel attached to the given widget/tab.
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Only finds frontend owned by the current application. Selection
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based on port of the kernel might be inaccurate if several kernel
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on different ip use same port number.
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This function does the conversion tabNumber/widget if needed.
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Might return None if no master widget (non local kernel)
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Will crash IPython if more than 1 masterWidget
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When asList set to True, always return a list of widget(s) owning
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the kernel. The list might be empty or containing several Widget.
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"""
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#convert from/to int/richIpythonWidget if needed
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if isinstance(tab, int):
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tab = self.tab_widget.widget(tab)
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km=tab.kernel_client
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#build list of all widgets
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widget_list = [self.tab_widget.widget(i) for i in range(self.tab_widget.count())]
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# widget that are candidate to be the owner of the kernel does have all the same port of the curent widget
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# And should have a _may_close attribute
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filtered_widget_list = [ widget for widget in widget_list if
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widget.kernel_client.connection_file == km.connection_file and
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hasattr(widget,'_may_close') ]
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# the master widget is the one that may close the kernel
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master_widget= [ widget for widget in filtered_widget_list if widget._may_close]
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if as_list:
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return master_widget
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assert(len(master_widget)<=1 )
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if len(master_widget)==0:
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return None
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return master_widget[0]
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def find_slave_widgets(self,tab):
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"""return all the frontends that do not own the kernel attached to the given widget/tab.
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Only find frontends owned by the current application. Selection
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based on connection file of the kernel.
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This function does the conversion tabNumber/widget if needed.
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"""
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#convert from/to int/richIpythonWidget if needed
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if isinstance(tab, int):
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tab = self.tab_widget.widget(tab)
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km=tab.kernel_client
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#build list of all widgets
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widget_list = [self.tab_widget.widget(i) for i in range(self.tab_widget.count())]
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# widget that are candidate not to be the owner of the kernel does have all the same port of the curent widget
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filtered_widget_list = ( widget for widget in widget_list if
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widget.kernel_client.connection_file == km.connection_file)
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# Get a list of all widget owning the same kernel and removed it from
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# the previous cadidate. (better using sets ?)
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master_widget_list = self.find_master_tab(tab, as_list=True)
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slave_list = [widget for widget in filtered_widget_list if widget not in master_widget_list]
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return slave_list
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# Populate the menu bar with common actions and shortcuts
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def add_menu_action(self, menu, action, defer_shortcut=False):
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"""Add action to menu as well as self
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So that when the menu bar is invisible, its actions are still available.
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If defer_shortcut is True, set the shortcut context to widget-only,
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where it will avoid conflict with shortcuts already bound to the
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widgets themselves.
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"""
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menu.addAction(action)
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self.addAction(action)
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if defer_shortcut:
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action.setShortcutContext(QtCore.Qt.WidgetShortcut)
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def init_menu_bar(self):
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#create menu in the order they should appear in the menu bar
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self.init_file_menu()
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self.init_edit_menu()
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self.init_view_menu()
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self.init_kernel_menu()
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self.init_magic_menu()
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self.init_window_menu()
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self.init_help_menu()
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def init_file_menu(self):
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self.file_menu = self.menuBar().addMenu("&File")
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self.new_kernel_tab_act = QtGui.QAction("New Tab with &New kernel",
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self,
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shortcut="Ctrl+T",
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triggered=self.create_tab_with_new_frontend)
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self.add_menu_action(self.file_menu, self.new_kernel_tab_act)
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self.slave_kernel_tab_act = QtGui.QAction("New Tab with Sa&me kernel",
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self,
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shortcut="Ctrl+Shift+T",
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triggered=self.create_tab_with_current_kernel)
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self.add_menu_action(self.file_menu, self.slave_kernel_tab_act)
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self.file_menu.addSeparator()
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self.close_action=QtGui.QAction("&Close Tab",
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self,
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shortcut=QtGui.QKeySequence.Close,
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triggered=self.close_active_frontend
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)
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self.add_menu_action(self.file_menu, self.close_action)
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self.export_action=QtGui.QAction("&Save to HTML/XHTML",
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self,
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shortcut=QtGui.QKeySequence.Save,
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triggered=self.export_action_active_frontend
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)
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self.add_menu_action(self.file_menu, self.export_action, True)
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self.file_menu.addSeparator()
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printkey = QtGui.QKeySequence(QtGui.QKeySequence.Print)
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|
|
if printkey.matches("Ctrl+P") and sys.platform != 'darwin':
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|
# Only override the default if there is a collision.
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|
|
# Qt ctrl = cmd on OSX, so the match gets a false positive on OSX.
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printkey = "Ctrl+Shift+P"
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self.print_action = QtGui.QAction("&Print",
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self,
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shortcut=printkey,
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triggered=self.print_action_active_frontend)
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self.add_menu_action(self.file_menu, self.print_action, True)
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|
|
if sys.platform != 'darwin':
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# OSX always has Quit in the Application menu, only add it
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|
# to the File menu elsewhere.
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self.file_menu.addSeparator()
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self.quit_action = QtGui.QAction("&Quit",
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self,
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shortcut=QtGui.QKeySequence.Quit,
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triggered=self.close,
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)
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self.add_menu_action(self.file_menu, self.quit_action)
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|
|
def init_edit_menu(self):
|
|
|
self.edit_menu = self.menuBar().addMenu("&Edit")
|
|
|
|
|
|
self.undo_action = QtGui.QAction("&Undo",
|
|
|
self,
|
|
|
shortcut=QtGui.QKeySequence.Undo,
|
|
|
statusTip="Undo last action if possible",
|
|
|
triggered=self.undo_active_frontend
|
|
|
)
|
|
|
self.add_menu_action(self.edit_menu, self.undo_action)
|
|
|
|
|
|
self.redo_action = QtGui.QAction("&Redo",
|
|
|
self,
|
|
|
shortcut=QtGui.QKeySequence.Redo,
|
|
|
statusTip="Redo last action if possible",
|
|
|
triggered=self.redo_active_frontend)
|
|
|
self.add_menu_action(self.edit_menu, self.redo_action)
|
|
|
|
|
|
self.edit_menu.addSeparator()
|
|
|
|
|
|
self.cut_action = QtGui.QAction("&Cut",
|
|
|
self,
|
|
|
shortcut=QtGui.QKeySequence.Cut,
|
|
|
triggered=self.cut_active_frontend
|
|
|
)
|
|
|
self.add_menu_action(self.edit_menu, self.cut_action, True)
|
|
|
|
|
|
self.copy_action = QtGui.QAction("&Copy",
|
|
|
self,
|
|
|
shortcut=QtGui.QKeySequence.Copy,
|
|
|
triggered=self.copy_active_frontend
|
|
|
)
|
|
|
self.add_menu_action(self.edit_menu, self.copy_action, True)
|
|
|
|
|
|
self.copy_raw_action = QtGui.QAction("Copy (&Raw Text)",
|
|
|
self,
|
|
|
shortcut="Ctrl+Shift+C",
|
|
|
triggered=self.copy_raw_active_frontend
|
|
|
)
|
|
|
self.add_menu_action(self.edit_menu, self.copy_raw_action, True)
|
|
|
|
|
|
self.paste_action = QtGui.QAction("&Paste",
|
|
|
self,
|
|
|
shortcut=QtGui.QKeySequence.Paste,
|
|
|
triggered=self.paste_active_frontend
|
|
|
)
|
|
|
self.add_menu_action(self.edit_menu, self.paste_action, True)
|
|
|
|
|
|
self.edit_menu.addSeparator()
|
|
|
|
|
|
selectall = QtGui.QKeySequence(QtGui.QKeySequence.SelectAll)
|
|
|
if selectall.matches("Ctrl+A") and sys.platform != 'darwin':
|
|
|
# Only override the default if there is a collision.
|
|
|
# Qt ctrl = cmd on OSX, so the match gets a false positive on OSX.
|
|
|
selectall = "Ctrl+Shift+A"
|
|
|
self.select_all_action = QtGui.QAction("Select &All",
|
|
|
self,
|
|
|
shortcut=selectall,
|
|
|
triggered=self.select_all_active_frontend
|
|
|
)
|
|
|
self.add_menu_action(self.edit_menu, self.select_all_action, True)
|
|
|
|
|
|
|
|
|
def init_view_menu(self):
|
|
|
self.view_menu = self.menuBar().addMenu("&View")
|
|
|
|
|
|
if sys.platform != 'darwin':
|
|
|
# disable on OSX, where there is always a menu bar
|
|
|
self.toggle_menu_bar_act = QtGui.QAction("Toggle &Menu Bar",
|
|
|
self,
|
|
|
shortcut="Ctrl+Shift+M",
|
|
|
statusTip="Toggle visibility of menubar",
|
|
|
triggered=self.toggle_menu_bar)
|
|
|
self.add_menu_action(self.view_menu, self.toggle_menu_bar_act)
|
|
|
|
|
|
fs_key = "Ctrl+Meta+F" if sys.platform == 'darwin' else "F11"
|
|
|
self.full_screen_act = QtGui.QAction("&Full Screen",
|
|
|
self,
|
|
|
shortcut=fs_key,
|
|
|
statusTip="Toggle between Fullscreen and Normal Size",
|
|
|
triggered=self.toggleFullScreen)
|
|
|
self.add_menu_action(self.view_menu, self.full_screen_act)
|
|
|
|
|
|
self.view_menu.addSeparator()
|
|
|
|
|
|
self.increase_font_size = QtGui.QAction("Zoom &In",
|
|
|
self,
|
|
|
shortcut=QtGui.QKeySequence.ZoomIn,
|
|
|
triggered=self.increase_font_size_active_frontend
|
|
|
)
|
|
|
self.add_menu_action(self.view_menu, self.increase_font_size, True)
|
|
|
|
|
|
self.decrease_font_size = QtGui.QAction("Zoom &Out",
|
|
|
self,
|
|
|
shortcut=QtGui.QKeySequence.ZoomOut,
|
|
|
triggered=self.decrease_font_size_active_frontend
|
|
|
)
|
|
|
self.add_menu_action(self.view_menu, self.decrease_font_size, True)
|
|
|
|
|
|
self.reset_font_size = QtGui.QAction("Zoom &Reset",
|
|
|
self,
|
|
|
shortcut="Ctrl+0",
|
|
|
triggered=self.reset_font_size_active_frontend
|
|
|
)
|
|
|
self.add_menu_action(self.view_menu, self.reset_font_size, True)
|
|
|
|
|
|
self.view_menu.addSeparator()
|
|
|
|
|
|
self.clear_action = QtGui.QAction("&Clear Screen",
|
|
|
self,
|
|
|
shortcut='Ctrl+L',
|
|
|
statusTip="Clear the console",
|
|
|
triggered=self.clear_magic_active_frontend)
|
|
|
self.add_menu_action(self.view_menu, self.clear_action)
|
|
|
|
|
|
self.pager_menu = self.view_menu.addMenu("&Pager")
|
|
|
|
|
|
hsplit_action = QtGui.QAction(".. &Horizontal Split",
|
|
|
self,
|
|
|
triggered=lambda: self.set_paging_active_frontend('hsplit'))
|
|
|
|
|
|
vsplit_action = QtGui.QAction(" : &Vertical Split",
|
|
|
self,
|
|
|
triggered=lambda: self.set_paging_active_frontend('vsplit'))
|
|
|
|
|
|
inside_action = QtGui.QAction(" &Inside Pager",
|
|
|
self,
|
|
|
triggered=lambda: self.set_paging_active_frontend('inside'))
|
|
|
|
|
|
self.pager_menu.addAction(hsplit_action)
|
|
|
self.pager_menu.addAction(vsplit_action)
|
|
|
self.pager_menu.addAction(inside_action)
|
|
|
|
|
|
def init_kernel_menu(self):
|
|
|
self.kernel_menu = self.menuBar().addMenu("&Kernel")
|
|
|
# Qt on OSX maps Ctrl to Cmd, and Meta to Ctrl
|
|
|
# keep the signal shortcuts to ctrl, rather than
|
|
|
# platform-default like we do elsewhere.
|
|
|
|
|
|
ctrl = "Meta" if sys.platform == 'darwin' else "Ctrl"
|
|
|
|
|
|
self.interrupt_kernel_action = QtGui.QAction("&Interrupt current Kernel",
|
|
|
self,
|
|
|
triggered=self.interrupt_kernel_active_frontend,
|
|
|
shortcut=ctrl+"+C",
|
|
|
)
|
|
|
self.add_menu_action(self.kernel_menu, self.interrupt_kernel_action)
|
|
|
|
|
|
self.restart_kernel_action = QtGui.QAction("&Restart current Kernel",
|
|
|
self,
|
|
|
triggered=self.restart_kernel_active_frontend,
|
|
|
shortcut=ctrl+"+.",
|
|
|
)
|
|
|
self.add_menu_action(self.kernel_menu, self.restart_kernel_action)
|
|
|
|
|
|
self.kernel_menu.addSeparator()
|
|
|
|
|
|
self.confirm_restart_kernel_action = QtGui.QAction("&Confirm kernel restart",
|
|
|
self,
|
|
|
checkable=True,
|
|
|
checked=self.active_frontend.confirm_restart,
|
|
|
triggered=self.toggle_confirm_restart_active_frontend
|
|
|
)
|
|
|
|
|
|
self.add_menu_action(self.kernel_menu, self.confirm_restart_kernel_action)
|
|
|
self.tab_widget.currentChanged.connect(self.update_restart_checkbox)
|
|
|
|
|
|
def _make_dynamic_magic(self,magic):
|
|
|
"""Return a function `fun` that will execute `magic` on active frontend.
|
|
|
|
|
|
Parameters
|
|
|
----------
|
|
|
magic : string
|
|
|
string that will be executed as is when the returned function is called
|
|
|
|
|
|
Returns
|
|
|
-------
|
|
|
fun : function
|
|
|
function with no parameters, when called will execute `magic` on the
|
|
|
current active frontend at call time
|
|
|
|
|
|
See Also
|
|
|
--------
|
|
|
populate_all_magic_menu : generate the "All Magics..." menu
|
|
|
|
|
|
Notes
|
|
|
-----
|
|
|
`fun` executes `magic` in active frontend at the moment it is triggered,
|
|
|
not the active frontend at the moment it was created.
|
|
|
|
|
|
This function is mostly used to create the "All Magics..." Menu at run time.
|
|
|
"""
|
|
|
# need two level nested function to be sure to pass magic
|
|
|
# to active frontend **at run time**.
|
|
|
def inner_dynamic_magic():
|
|
|
self.active_frontend.execute(magic)
|
|
|
inner_dynamic_magic.__name__ = "dynamics_magic_s"
|
|
|
return inner_dynamic_magic
|
|
|
|
|
|
def populate_all_magic_menu(self, display_data=None):
|
|
|
"""Clean "All Magics..." menu and repopulate it with `display_data`
|
|
|
|
|
|
Parameters
|
|
|
----------
|
|
|
display_data : dict,
|
|
|
dict of display_data for the magics dict of a MagicsManager.
|
|
|
Expects json data, as the result of %lsmagic
|
|
|
|
|
|
"""
|
|
|
for k,v in self._magic_menu_dict.items():
|
|
|
v.clear()
|
|
|
self.all_magic_menu.clear()
|
|
|
|
|
|
if not display_data:
|
|
|
return
|
|
|
|
|
|
if display_data['status'] != 'ok':
|
|
|
self.log.warn("%%lsmagic user-expression failed: %s" % display_data)
|
|
|
return
|
|
|
|
|
|
mdict = json.loads(display_data['data'].get('application/json', {}))
|
|
|
|
|
|
for mtype in sorted(mdict):
|
|
|
subdict = mdict[mtype]
|
|
|
prefix = magic_escapes[mtype]
|
|
|
for name in sorted(subdict):
|
|
|
mclass = subdict[name]
|
|
|
magic_menu = self._get_magic_menu(mclass)
|
|
|
pmagic = prefix + name
|
|
|
|
|
|
# Adding seperate QActions is needed for some window managers
|
|
|
xaction = QtGui.QAction(pmagic,
|
|
|
self,
|
|
|
triggered=self._make_dynamic_magic(pmagic)
|
|
|
)
|
|
|
magic_menu.addAction(xaction)
|
|
|
self.all_magic_menu.addAction(xaction)
|
|
|
|
|
|
def update_all_magic_menu(self):
|
|
|
""" Update the list of magics in the "All Magics..." Menu
|
|
|
|
|
|
Request the kernel with the list of available magics and populate the
|
|
|
menu with the list received back
|
|
|
|
|
|
"""
|
|
|
self.active_frontend._silent_exec_callback('get_ipython().magic("lsmagic")',
|
|
|
self.populate_all_magic_menu)
|
|
|
|
|
|
def _get_magic_menu(self,menuidentifier, menulabel=None):
|
|
|
"""return a submagic menu by name, and create it if needed
|
|
|
|
|
|
Parameters
|
|
|
----------
|
|
|
|
|
|
menulabel : str
|
|
|
Label for the menu
|
|
|
|
|
|
Will infere the menu name from the identifier at creation if menulabel not given.
|
|
|
To do so you have too give menuidentifier as a CamelCassedString
|
|
|
"""
|
|
|
menu = self._magic_menu_dict.get(menuidentifier,None)
|
|
|
if not menu :
|
|
|
if not menulabel:
|
|
|
menulabel = re.sub("([a-zA-Z]+)([A-Z][a-z])","\g<1> \g<2>",menuidentifier)
|
|
|
menu = QtGui.QMenu(menulabel,self.magic_menu)
|
|
|
self._magic_menu_dict[menuidentifier]=menu
|
|
|
self.magic_menu.insertMenu(self.magic_menu_separator,menu)
|
|
|
return menu
|
|
|
|
|
|
|
|
|
|
|
|
def init_magic_menu(self):
|
|
|
self.magic_menu = self.menuBar().addMenu("&Magic")
|
|
|
self.magic_menu_separator = self.magic_menu.addSeparator()
|
|
|
|
|
|
self.all_magic_menu = self._get_magic_menu("AllMagics", menulabel="&All Magics...")
|
|
|
|
|
|
# This action should usually not appear as it will be cleared when menu
|
|
|
# is updated at first kernel response. Though, it is necessary when
|
|
|
# connecting through X-forwarding, as in this case, the menu is not
|
|
|
# auto updated, SO DO NOT DELETE.
|
|
|
self.pop = QtGui.QAction("&Update All Magic Menu ",
|
|
|
self, triggered=self.update_all_magic_menu)
|
|
|
self.add_menu_action(self.all_magic_menu, self.pop)
|
|
|
# we need to populate the 'Magic Menu' once the kernel has answer at
|
|
|
# least once let's do it immediately, but it's assured to works
|
|
|
self.pop.trigger()
|
|
|
|
|
|
self.reset_action = QtGui.QAction("&Reset",
|
|
|
self,
|
|
|
statusTip="Clear all variables from workspace",
|
|
|
triggered=self.reset_magic_active_frontend)
|
|
|
self.add_menu_action(self.magic_menu, self.reset_action)
|
|
|
|
|
|
self.history_action = QtGui.QAction("&History",
|
|
|
self,
|
|
|
statusTip="show command history",
|
|
|
triggered=self.history_magic_active_frontend)
|
|
|
self.add_menu_action(self.magic_menu, self.history_action)
|
|
|
|
|
|
self.save_action = QtGui.QAction("E&xport History ",
|
|
|
self,
|
|
|
statusTip="Export History as Python File",
|
|
|
triggered=self.save_magic_active_frontend)
|
|
|
self.add_menu_action(self.magic_menu, self.save_action)
|
|
|
|
|
|
self.who_action = QtGui.QAction("&Who",
|
|
|
self,
|
|
|
statusTip="List interactive variables",
|
|
|
triggered=self.who_magic_active_frontend)
|
|
|
self.add_menu_action(self.magic_menu, self.who_action)
|
|
|
|
|
|
self.who_ls_action = QtGui.QAction("Wh&o ls",
|
|
|
self,
|
|
|
statusTip="Return a list of interactive variables",
|
|
|
triggered=self.who_ls_magic_active_frontend)
|
|
|
self.add_menu_action(self.magic_menu, self.who_ls_action)
|
|
|
|
|
|
self.whos_action = QtGui.QAction("Who&s",
|
|
|
self,
|
|
|
statusTip="List interactive variables with details",
|
|
|
triggered=self.whos_magic_active_frontend)
|
|
|
self.add_menu_action(self.magic_menu, self.whos_action)
|
|
|
|
|
|
def init_window_menu(self):
|
|
|
self.window_menu = self.menuBar().addMenu("&Window")
|
|
|
if sys.platform == 'darwin':
|
|
|
# add min/maximize actions to OSX, which lacks default bindings.
|
|
|
self.minimizeAct = QtGui.QAction("Mini&mize",
|
|
|
self,
|
|
|
shortcut="Ctrl+m",
|
|
|
statusTip="Minimize the window/Restore Normal Size",
|
|
|
triggered=self.toggleMinimized)
|
|
|
# maximize is called 'Zoom' on OSX for some reason
|
|
|
self.maximizeAct = QtGui.QAction("&Zoom",
|
|
|
self,
|
|
|
shortcut="Ctrl+Shift+M",
|
|
|
statusTip="Maximize the window/Restore Normal Size",
|
|
|
triggered=self.toggleMaximized)
|
|
|
|
|
|
self.add_menu_action(self.window_menu, self.minimizeAct)
|
|
|
self.add_menu_action(self.window_menu, self.maximizeAct)
|
|
|
self.window_menu.addSeparator()
|
|
|
|
|
|
prev_key = "Ctrl+Shift+Left" if sys.platform == 'darwin' else "Ctrl+PgUp"
|
|
|
self.prev_tab_act = QtGui.QAction("Pre&vious Tab",
|
|
|
self,
|
|
|
shortcut=prev_key,
|
|
|
statusTip="Select previous tab",
|
|
|
triggered=self.prev_tab)
|
|
|
self.add_menu_action(self.window_menu, self.prev_tab_act)
|
|
|
|
|
|
next_key = "Ctrl+Shift+Right" if sys.platform == 'darwin' else "Ctrl+PgDown"
|
|
|
self.next_tab_act = QtGui.QAction("Ne&xt Tab",
|
|
|
self,
|
|
|
shortcut=next_key,
|
|
|
statusTip="Select next tab",
|
|
|
triggered=self.next_tab)
|
|
|
self.add_menu_action(self.window_menu, self.next_tab_act)
|
|
|
|
|
|
def init_help_menu(self):
|
|
|
# please keep the Help menu in Mac Os even if empty. It will
|
|
|
# automatically contain a search field to search inside menus and
|
|
|
# please keep it spelled in English, as long as Qt Doesn't support
|
|
|
# a QAction.MenuRole like HelpMenuRole otherwise it will lose
|
|
|
# this search field functionality
|
|
|
|
|
|
self.help_menu = self.menuBar().addMenu("&Help")
|
|
|
|
|
|
|
|
|
# Help Menu
|
|
|
|
|
|
self.intro_active_frontend_action = QtGui.QAction("&Intro to IPython",
|
|
|
self,
|
|
|
triggered=self.intro_active_frontend
|
|
|
)
|
|
|
self.add_menu_action(self.help_menu, self.intro_active_frontend_action)
|
|
|
|
|
|
self.quickref_active_frontend_action = QtGui.QAction("IPython &Cheat Sheet",
|
|
|
self,
|
|
|
triggered=self.quickref_active_frontend
|
|
|
)
|
|
|
self.add_menu_action(self.help_menu, self.quickref_active_frontend_action)
|
|
|
|
|
|
self.guiref_active_frontend_action = QtGui.QAction("&Qt Console",
|
|
|
self,
|
|
|
triggered=self.guiref_active_frontend
|
|
|
)
|
|
|
self.add_menu_action(self.help_menu, self.guiref_active_frontend_action)
|
|
|
|
|
|
self.onlineHelpAct = QtGui.QAction("Open Online &Help",
|
|
|
self,
|
|
|
triggered=self._open_online_help)
|
|
|
self.add_menu_action(self.help_menu, self.onlineHelpAct)
|
|
|
|
|
|
def init_magic_helper(self):
|
|
|
self.magic_helper_data = None
|
|
|
self.magic_helper = QtGui.QDockWidget("Magics", self)
|
|
|
self.magic_helper.setAllowedAreas(QtCore.Qt.LeftDockWidgetArea |
|
|
|
QtCore.Qt.RightDockWidgetArea)
|
|
|
self.magic_helper.setVisible(False)
|
|
|
|
|
|
class MinListWidget(QtGui.QListWidget):
|
|
|
def sizeHint(self):
|
|
|
s = QtCore.QSize()
|
|
|
s.setHeight(super(MinListWidget,self).sizeHint().height())
|
|
|
s.setWidth(self.sizeHintForColumn(0))
|
|
|
return s
|
|
|
|
|
|
self.magic_helper_frame = QtGui.QFrame()
|
|
|
self.magic_helper_searchl = QtGui.QLabel("Search:")
|
|
|
self.magic_helper_search = QtGui.QLineEdit()
|
|
|
self.magic_helper_class = QtGui.QComboBox()
|
|
|
self.magic_helper_list = MinListWidget()
|
|
|
self.magic_helper_paste = QtGui.QPushButton("Paste")
|
|
|
self.magic_helper_run = QtGui.QPushButton("Run")
|
|
|
|
|
|
main_layout = QtGui.QVBoxLayout()
|
|
|
search_layout = QtGui.QHBoxLayout()
|
|
|
search_layout.addWidget(self.magic_helper_searchl)
|
|
|
search_layout.addWidget(self.magic_helper_search, 10)
|
|
|
main_layout.addLayout(search_layout)
|
|
|
main_layout.addWidget(self.magic_helper_class)
|
|
|
main_layout.addWidget(self.magic_helper_list, 10)
|
|
|
action_layout = QtGui.QHBoxLayout()
|
|
|
action_layout.addWidget(self.magic_helper_paste)
|
|
|
action_layout.addWidget(self.magic_helper_run)
|
|
|
main_layout.addLayout(action_layout)
|
|
|
|
|
|
self.magic_helper_frame.setLayout(main_layout)
|
|
|
self.magic_helper.setWidget(self.magic_helper_frame)
|
|
|
|
|
|
self.magic_helper.visibilityChanged[bool].connect(
|
|
|
self.update_magic_helper
|
|
|
)
|
|
|
self.magic_helper_class.activated[int].connect(
|
|
|
self.magic_helper_class_selected
|
|
|
)
|
|
|
self.magic_helper_search.textChanged[str].connect(
|
|
|
self.magic_helper_search_changed
|
|
|
)
|
|
|
self.magic_helper_list.itemDoubleClicked[QtGui.QListWidgetItem].connect(
|
|
|
self.magic_helper_paste_requested
|
|
|
)
|
|
|
self.magic_helper_paste.clicked[bool].connect(
|
|
|
self.magic_helper_paste_requested
|
|
|
)
|
|
|
self.magic_helper_run.clicked[bool].connect(
|
|
|
self.magic_helper_run_requested
|
|
|
)
|
|
|
|
|
|
self.addDockWidget(QtCore.Qt.RightDockWidgetArea, self.magic_helper)
|
|
|
self.add_menu_action(self.magic_menu,
|
|
|
self.magic_helper.toggleViewAction())
|
|
|
|
|
|
def update_magic_helper(self, visible):
|
|
|
if not visible or self.magic_helper_data != None:
|
|
|
return
|
|
|
self.magic_helper_data = {}
|
|
|
self.magic_helper_class.clear()
|
|
|
self.magic_helper_class.addItem("Populating...")
|
|
|
self.active_frontend._silent_exec_callback(
|
|
|
'get_ipython().magic("lsmagic")',
|
|
|
self.populate_magic_helper
|
|
|
)
|
|
|
|
|
|
def populate_magic_helper(self, data):
|
|
|
if not data:
|
|
|
return
|
|
|
|
|
|
if data['status'] != 'ok':
|
|
|
self.log.warn("%%lsmagic user-expression failed: {}".format(data))
|
|
|
return
|
|
|
|
|
|
self.magic_helper_class.clear()
|
|
|
self.magic_helper_list.clear()
|
|
|
|
|
|
self.magic_helper_data = json.loads(
|
|
|
data['data'].get('application/json', {})
|
|
|
)
|
|
|
|
|
|
self.magic_helper_class.addItem('All Magics', 'any')
|
|
|
classes = set()
|
|
|
|
|
|
for mtype in sorted(self.magic_helper_data):
|
|
|
subdict = self.magic_helper_data[mtype]
|
|
|
for name in sorted(subdict):
|
|
|
classes.add(subdict[name])
|
|
|
|
|
|
for cls in sorted(classes):
|
|
|
label = re.sub("([a-zA-Z]+)([A-Z][a-z])","\g<1> \g<2>", cls)
|
|
|
self.magic_helper_class.addItem(label, cls)
|
|
|
|
|
|
self.filter_magic_helper('.', 'any')
|
|
|
|
|
|
def magic_helper_class_selected(self, index):
|
|
|
item = self.magic_helper_class.itemData(index)
|
|
|
regex = self.magic_helper_search.text()
|
|
|
self.filter_magic_helper(regex = regex, cls = item)
|
|
|
|
|
|
def magic_helper_search_changed(self, search_string):
|
|
|
item = self.magic_helper_class.itemData(
|
|
|
self.magic_helper_class.currentIndex()
|
|
|
)
|
|
|
self.filter_magic_helper(regex = search_string, cls = item)
|
|
|
|
|
|
def _magic_helper_get_current(self, item = None):
|
|
|
text = None
|
|
|
if not isinstance(item, QtGui.QListWidgetItem):
|
|
|
item = self.magic_helper_list.currentItem()
|
|
|
text = item.text()
|
|
|
return text
|
|
|
|
|
|
def _set_active_frontend_focus(self):
|
|
|
# this is a hack, self.active_frontend._control seems to be
|
|
|
# a private member. Unfortunately this is the only method
|
|
|
# to set focus reliably
|
|
|
QtCore.QTimer.singleShot(200, self.active_frontend._control.setFocus)
|
|
|
|
|
|
def magic_helper_paste_requested(self, item = None):
|
|
|
text = self._magic_helper_get_current(item)
|
|
|
if text != None:
|
|
|
self.active_frontend.input_buffer = text
|
|
|
self._set_active_frontend_focus()
|
|
|
|
|
|
def magic_helper_run_requested(self, item = None):
|
|
|
text = self._magic_helper_get_current(item)
|
|
|
if text != None:
|
|
|
self.active_frontend.execute(text)
|
|
|
self._set_active_frontend_focus()
|
|
|
|
|
|
def filter_magic_helper(self, regex, cls):
|
|
|
if regex == "" or regex == None:
|
|
|
regex = '.'
|
|
|
if cls == None:
|
|
|
cls = 'any'
|
|
|
|
|
|
self.magic_helper_list.clear()
|
|
|
for mtype in sorted(self.magic_helper_data):
|
|
|
subdict = self.magic_helper_data[mtype]
|
|
|
prefix = magic_escapes[mtype]
|
|
|
|
|
|
for name in sorted(subdict):
|
|
|
mclass = subdict[name]
|
|
|
pmagic = prefix + name
|
|
|
|
|
|
if (re.match(regex, name) or re.match(regex, pmagic)) and \
|
|
|
(cls == 'any' or cls == mclass):
|
|
|
self.magic_helper_list.addItem(pmagic)
|
|
|
|
|
|
|
|
|
# minimize/maximize/fullscreen actions:
|
|
|
|
|
|
def toggle_menu_bar(self):
|
|
|
menu_bar = self.menuBar()
|
|
|
if menu_bar.isVisible():
|
|
|
menu_bar.setVisible(False)
|
|
|
else:
|
|
|
menu_bar.setVisible(True)
|
|
|
|
|
|
def toggleMinimized(self):
|
|
|
if not self.isMinimized():
|
|
|
self.showMinimized()
|
|
|
else:
|
|
|
self.showNormal()
|
|
|
|
|
|
def _open_online_help(self):
|
|
|
filename="http://ipython.org/ipython-doc/stable/index.html"
|
|
|
webbrowser.open(filename, new=1, autoraise=True)
|
|
|
|
|
|
def toggleMaximized(self):
|
|
|
if not self.isMaximized():
|
|
|
self.showMaximized()
|
|
|
else:
|
|
|
self.showNormal()
|
|
|
|
|
|
# Min/Max imizing while in full screen give a bug
|
|
|
# when going out of full screen, at least on OSX
|
|
|
def toggleFullScreen(self):
|
|
|
if not self.isFullScreen():
|
|
|
self.showFullScreen()
|
|
|
if sys.platform == 'darwin':
|
|
|
self.maximizeAct.setEnabled(False)
|
|
|
self.minimizeAct.setEnabled(False)
|
|
|
else:
|
|
|
self.showNormal()
|
|
|
if sys.platform == 'darwin':
|
|
|
self.maximizeAct.setEnabled(True)
|
|
|
self.minimizeAct.setEnabled(True)
|
|
|
|
|
|
def set_paging_active_frontend(self, paging):
|
|
|
self.active_frontend._set_paging(paging)
|
|
|
|
|
|
def close_active_frontend(self):
|
|
|
self.close_tab(self.active_frontend)
|
|
|
|
|
|
def restart_kernel_active_frontend(self):
|
|
|
self.active_frontend.request_restart_kernel()
|
|
|
|
|
|
def interrupt_kernel_active_frontend(self):
|
|
|
self.active_frontend.request_interrupt_kernel()
|
|
|
|
|
|
def toggle_confirm_restart_active_frontend(self):
|
|
|
widget = self.active_frontend
|
|
|
widget.confirm_restart = not widget.confirm_restart
|
|
|
self.confirm_restart_kernel_action.setChecked(widget.confirm_restart)
|
|
|
|
|
|
def update_restart_checkbox(self):
|
|
|
if self.active_frontend is None:
|
|
|
return
|
|
|
widget = self.active_frontend
|
|
|
self.confirm_restart_kernel_action.setChecked(widget.confirm_restart)
|
|
|
|
|
|
def cut_active_frontend(self):
|
|
|
widget = self.active_frontend
|
|
|
if widget.can_cut():
|
|
|
widget.cut()
|
|
|
|
|
|
def copy_active_frontend(self):
|
|
|
widget = self.active_frontend
|
|
|
widget.copy()
|
|
|
|
|
|
def copy_raw_active_frontend(self):
|
|
|
self.active_frontend._copy_raw_action.trigger()
|
|
|
|
|
|
def paste_active_frontend(self):
|
|
|
widget = self.active_frontend
|
|
|
if widget.can_paste():
|
|
|
widget.paste()
|
|
|
|
|
|
def undo_active_frontend(self):
|
|
|
self.active_frontend.undo()
|
|
|
|
|
|
def redo_active_frontend(self):
|
|
|
self.active_frontend.redo()
|
|
|
|
|
|
def reset_magic_active_frontend(self):
|
|
|
self.active_frontend.execute("%reset")
|
|
|
|
|
|
def history_magic_active_frontend(self):
|
|
|
self.active_frontend.execute("%history")
|
|
|
|
|
|
def save_magic_active_frontend(self):
|
|
|
self.active_frontend.save_magic()
|
|
|
|
|
|
def clear_magic_active_frontend(self):
|
|
|
self.active_frontend.execute("%clear")
|
|
|
|
|
|
def who_magic_active_frontend(self):
|
|
|
self.active_frontend.execute("%who")
|
|
|
|
|
|
def who_ls_magic_active_frontend(self):
|
|
|
self.active_frontend.execute("%who_ls")
|
|
|
|
|
|
def whos_magic_active_frontend(self):
|
|
|
self.active_frontend.execute("%whos")
|
|
|
|
|
|
def print_action_active_frontend(self):
|
|
|
self.active_frontend.print_action.trigger()
|
|
|
|
|
|
def export_action_active_frontend(self):
|
|
|
self.active_frontend.export_action.trigger()
|
|
|
|
|
|
def select_all_active_frontend(self):
|
|
|
self.active_frontend.select_all_action.trigger()
|
|
|
|
|
|
def increase_font_size_active_frontend(self):
|
|
|
self.active_frontend.increase_font_size.trigger()
|
|
|
|
|
|
def decrease_font_size_active_frontend(self):
|
|
|
self.active_frontend.decrease_font_size.trigger()
|
|
|
|
|
|
def reset_font_size_active_frontend(self):
|
|
|
self.active_frontend.reset_font_size.trigger()
|
|
|
|
|
|
def guiref_active_frontend(self):
|
|
|
self.active_frontend.execute("%guiref")
|
|
|
|
|
|
def intro_active_frontend(self):
|
|
|
self.active_frontend.execute("?")
|
|
|
|
|
|
def quickref_active_frontend(self):
|
|
|
self.active_frontend.execute("%quickref")
|
|
|
#---------------------------------------------------------------------------
|
|
|
# QWidget interface
|
|
|
#---------------------------------------------------------------------------
|
|
|
|
|
|
def closeEvent(self, event):
|
|
|
""" Forward the close event to every tabs contained by the windows
|
|
|
"""
|
|
|
if self.tab_widget.count() == 0:
|
|
|
# no tabs, just close
|
|
|
event.accept()
|
|
|
return
|
|
|
# Do Not loop on the widget count as it change while closing
|
|
|
title = self.window().windowTitle()
|
|
|
cancel = QtGui.QMessageBox.Cancel
|
|
|
okay = QtGui.QMessageBox.Ok
|
|
|
|
|
|
if self.confirm_exit:
|
|
|
if self.tab_widget.count() > 1:
|
|
|
msg = "Close all tabs, stop all kernels, and Quit?"
|
|
|
else:
|
|
|
msg = "Close console, stop kernel, and Quit?"
|
|
|
info = "Kernels not started here (e.g. notebooks) will be left alone."
|
|
|
closeall = QtGui.QPushButton("&Quit", self)
|
|
|
closeall.setShortcut('Q')
|
|
|
box = QtGui.QMessageBox(QtGui.QMessageBox.Question,
|
|
|
title, msg)
|
|
|
box.setInformativeText(info)
|
|
|
box.addButton(cancel)
|
|
|
box.addButton(closeall, QtGui.QMessageBox.YesRole)
|
|
|
box.setDefaultButton(closeall)
|
|
|
box.setEscapeButton(cancel)
|
|
|
pixmap = QtGui.QPixmap(self._app.icon.pixmap(QtCore.QSize(64,64)))
|
|
|
box.setIconPixmap(pixmap)
|
|
|
reply = box.exec_()
|
|
|
else:
|
|
|
reply = okay
|
|
|
|
|
|
if reply == cancel:
|
|
|
event.ignore()
|
|
|
return
|
|
|
if reply == okay:
|
|
|
while self.tab_widget.count() >= 1:
|
|
|
# prevent further confirmations:
|
|
|
widget = self.active_frontend
|
|
|
widget._confirm_exit = False
|
|
|
self.close_tab(widget)
|
|
|
event.accept()
|
|
|
|
|
|
|
