class MainWindow(QtGui.QMainWindow):
""" The GUI window which contains the Widgets and buttons """
def __init__(self):
QtGui.QMainWindow.__init__(self)
self.graph_gui = GraphGUI(self)
self.init_ui()
def init_ui(self):
""" Initializes the UI, delegates to init_menubar and init_toolbar """
self.setCentralWidget(self.graph_gui)
self.init_menubar()
self.init_toolbar()
status_bar_label = QtGui.QLabel()
status_bar_label.setWordWrap(True)
status_bar_label.setFixedWidth(600)
self.statusBar().addWidget(status_bar_label)
self.graph_gui.status_message[str].connect(status_bar_label.setText)
self.show()
self.raise_()
def init_menubar(self):
""" Initializes a menubar with the following items:
File -> [ Load, Kill, Exit ]
Vertex Numbers -> [Yes, No]
Delay -> [0 ms, 50 ms, 150 ms, 500 ms, 1000 ms]
"""
load_action = QtGui.QAction('&Load graph', self)
load_action.setShortcut('Ctrl+L')
load_action.triggered.connect(self.graph_gui.set_graph)
kill_action = QtGui.QAction('&Kill search', self)
kill_action.setShortcut('Ctrl+K')
kill_action.triggered.connect(self.graph_gui.thread.end_search)
exit_action = QtGui.QAction('&Exit', self)
exit_action.setShortcut('Ctrl+Q')
exit_action.triggered.connect(QtGui.qApp.quit)
yes_action = QtGui.QAction('&Yes', self)
yes_action.triggered.connect(
lambda: self.graph_gui.set_vertex_numbering(True)
)
no_action = QtGui.QAction('&No', self)
no_action.triggered.connect(
lambda: self.graph_gui.set_vertex_numbering(False)
)
menu = self.menuBar()
file_menu = menu.addMenu('&File')
file_menu.addAction(load_action)
file_menu.addAction(kill_action)
file_menu.addAction(exit_action)
numbering_menu = menu.addMenu('&Vertex Numbers')
numbering_menu.addAction(yes_action)
numbering_menu.addAction(no_action)
delay_menu = menu.addMenu('&Delay')
delays = [0, 50, 150, 500, 1000]
for delay in delays:
delay_action = QtGui.QAction('&' + str(delay) + ' ms', self)
expr = 'self.graph_gui.set_delay({})'.format(delay)
delay_action.triggered.connect(make_function([], expr, locals()))
delay_menu.addAction(delay_action)
def init_toolbar(self):
""" Initializes a toolbar, with a run button and delay controls """
play_icon = QtGui.QIcon(res.imgs.__path__[0] + '/play.png')
run_action = QtGui.QAction(play_icon, 'Run search', self)
run_action.setShortcut('Ctrl+R')
run_action.triggered.connect(self.graph_gui.start_search)
toolbar = self.addToolBar('Run')
toolbar.addAction(run_action)
for i in range(3, 11):
color_action = QtGui.QAction('Colors ' + str(i), self)
expr = 'self.graph_gui.set_color({})'.format(i)
color_action.triggered.connect(make_function([], expr, locals()))
toolbar.addAction(color_action)
def __init__(self):
QtGui.QMainWindow.__init__(self)
self.graph_gui = GraphGUI(self)
self.init_ui()
