class MainWindow(QMainWindow):
def __init__(self, *args, **kwargs):
super(MainWindow, self).__init__(*args, **kwargs)
self._version = __version__
self.setWindowIcon(QIcon(":/logo.png"))
self.setWindowTitle("Tasmota Device Manager {}".format(self._version))
self.unknown = []
self.env = TasmotaEnvironment()
self.device = None
self.topics = []
self.mqtt_queue = []
self.fulltopic_queue = []
# ensure TDM directory exists in the user directory
if not os.path.isdir("{}/TDM".format(QDir.homePath())):
os.mkdir("{}/TDM".format(QDir.homePath()))
self.settings = QSettings("{}/TDM/tdm.cfg".format(QDir.homePath()),
QSettings.IniFormat)
self.devices = QSettings("{}/TDM/devices.cfg".format(QDir.homePath()),
QSettings.IniFormat)
self.setMinimumSize(QSize(1000, 600))
# configure logging
logging.basicConfig(filename="{}/TDM/tdm.log".format(QDir.homePath()),
level=self.settings.value("loglevel", "INFO"),
datefmt="%Y-%m-%d %H:%M:%S",
format='%(asctime)s [%(levelname)s] %(message)s')
logging.info("### TDM START ###")
# load devices from the devices file, create TasmotaDevices and add the to the envvironment
for mac in self.devices.childGroups():
self.devices.beginGroup(mac)
device = TasmotaDevice(self.devices.value("topic"),
self.devices.value("full_topic"),
self.devices.value("friendly_name"))
device.debug = self.devices.value("debug", False, bool)
device.p['Mac'] = mac.replace("-", ":")
device.env = self.env
self.env.devices.append(device)
# load device command history
self.devices.beginGroup("history")
for k in self.devices.childKeys():
device.history.append(self.devices.value(k))
self.devices.endGroup()
self.devices.endGroup()
self.device_model = TasmotaDevicesModel(self.env)
self.setup_mqtt()
self.setup_main_layout()
self.add_devices_tab()
self.build_mainmenu()
# self.build_toolbars()
self.setStatusBar(QStatusBar())
pbSubs = QPushButton("Show subscriptions")
pbSubs.setFlat(True)
pbSubs.clicked.connect(self.showSubs)
self.statusBar().addPermanentWidget(pbSubs)
self.queue_timer = QTimer()
self.queue_timer.timeout.connect(self.mqtt_publish_queue)
self.queue_timer.start(250)
self.auto_timer = QTimer()
self.auto_timer.timeout.connect(self.auto_telemetry)
self.load_window_state()
if self.settings.value("connect_on_startup", False, bool):
self.actToggleConnect.trigger()
self.tele_docks = {}
self.consoles = []
def setup_main_layout(self):
self.mdi = QMdiArea()
self.mdi.setActivationOrder(QMdiArea.ActivationHistoryOrder)
self.mdi.setTabsClosable(True)
self.setCentralWidget(self.mdi)
def setup_mqtt(self):
self.mqtt = MqttClient()
self.mqtt.connecting.connect(self.mqtt_connecting)
self.mqtt.connected.connect(self.mqtt_connected)
self.mqtt.disconnected.connect(self.mqtt_disconnected)
self.mqtt.connectError.connect(self.mqtt_connectError)
self.mqtt.messageSignal.connect(self.mqtt_message)
def add_devices_tab(self):
self.devices_list = ListWidget(self)
sub = self.mdi.addSubWindow(self.devices_list)
sub.setWindowState(Qt.WindowMaximized)
self.devices_list.deviceSelected.connect(self.selectDevice)
self.devices_list.openConsole.connect(self.openConsole)
self.devices_list.openRulesEditor.connect(self.openRulesEditor)
self.devices_list.openTelemetry.connect(self.openTelemetry)
self.devices_list.openWebUI.connect(self.openWebUI)
def load_window_state(self):
wndGeometry = self.settings.value('window_geometry')
if wndGeometry:
self.restoreGeometry(wndGeometry)
def build_mainmenu(self):
mMQTT = self.menuBar().addMenu("MQTT")
self.actToggleConnect = QAction(QIcon(":/disconnect.png"), "Connect")
self.actToggleConnect.setCheckable(True)
self.actToggleConnect.toggled.connect(self.toggle_connect)
mMQTT.addAction(self.actToggleConnect)
mMQTT.addAction(QIcon(), "Broker", self.setup_broker)
mMQTT.addAction(QIcon(), "Autodiscovery patterns", self.patterns)
mMQTT.addSeparator()
mMQTT.addAction(QIcon(), "Clear obsolete retained LWTs",
self.clear_LWT)
mMQTT.addSeparator()
mMQTT.addAction(QIcon(), "Auto telemetry period",
self.auto_telemetry_period)
self.actToggleAutoUpdate = QAction(QIcon(":/auto_telemetry.png"),
"Auto telemetry")
self.actToggleAutoUpdate.setCheckable(True)
self.actToggleAutoUpdate.toggled.connect(self.toggle_autoupdate)
mMQTT.addAction(self.actToggleAutoUpdate)
mSettings = self.menuBar().addMenu("Settings")
mSettings.addAction(QIcon(), "BSSId aliases", self.bssid)
mSettings.addSeparator()
mSettings.addAction(QIcon(), "Preferences", self.prefs)
# mExport = self.menuBar().addMenu("Export")
# mExport.addAction(QIcon(), "OpenHAB", self.openhab)
def build_toolbars(self):
main_toolbar = Toolbar(orientation=Qt.Horizontal,
iconsize=24,
label_position=Qt.ToolButtonTextBesideIcon)
main_toolbar.setObjectName("main_toolbar")
def initial_query(self, device, queued=False):
for c in initial_commands():
cmd, payload = c
cmd = device.cmnd_topic(cmd)
if queued:
self.mqtt_queue.append([cmd, payload])
else:
self.mqtt.publish(cmd, payload, 1)
def setup_broker(self):
brokers_dlg = BrokerDialog()
if brokers_dlg.exec_(
) == QDialog.Accepted and self.mqtt.state == self.mqtt.Connected:
self.mqtt.disconnect()
def toggle_autoupdate(self, state):
if state == True:
if self.mqtt.state == self.mqtt.Connected:
for d in self.env.devices:
self.mqtt.publish(d.cmnd_topic('STATUS'), payload=8)
self.auto_timer.setInterval(
self.settings.value("autotelemetry", 5000, int))
self.auto_timer.start()
else:
self.auto_timer.stop()
def toggle_connect(self, state):
if state and self.mqtt.state == self.mqtt.Disconnected:
self.broker_hostname = self.settings.value('hostname', 'localhost')
self.broker_port = self.settings.value('port', 1883, int)
self.broker_username = self.settings.value('username')
self.broker_password = self.settings.value('password')
self.mqtt.hostname = self.broker_hostname
self.mqtt.port = self.broker_port
if self.broker_username:
self.mqtt.setAuth(self.broker_username, self.broker_password)
self.mqtt.connectToHost()
elif not state and self.mqtt.state == self.mqtt.Connected:
self.mqtt_disconnect()
def auto_telemetry(self):
if self.mqtt.state == self.mqtt.Connected:
for d in self.env.devices:
self.mqtt.publish(d.cmnd_topic('STATUS'), payload=8)
def mqtt_connect(self):
self.broker_hostname = self.settings.value('hostname', 'localhost')
self.broker_port = self.settings.value('port', 1883, int)
self.broker_username = self.settings.value('username')
self.broker_password = self.settings.value('password')
self.mqtt.hostname = self.broker_hostname
self.mqtt.port = self.broker_port
if self.broker_username:
self.mqtt.setAuth(self.broker_username, self.broker_password)
if self.mqtt.state == self.mqtt.Disconnected:
self.mqtt.connectToHost()
def mqtt_disconnect(self):
self.mqtt.disconnectFromHost()
def mqtt_connecting(self):
self.statusBar().showMessage("Connecting to broker")
def mqtt_connected(self):
self.actToggleConnect.setIcon(QIcon(":/connect.png"))
self.actToggleConnect.setText("Disconnect")
self.statusBar().showMessage("Connected to {}:{} as {}".format(
self.broker_hostname, self.broker_port,
self.broker_username if self.broker_username else '[anonymous]'))
self.mqtt_subscribe()
def mqtt_subscribe(self):
# clear old topics
self.topics.clear()
custom_patterns.clear()
# load custom autodiscovery patterns
self.settings.beginGroup("Patterns")
for k in self.settings.childKeys():
custom_patterns.append(self.settings.value(k))
self.settings.endGroup()
# expand fulltopic patterns to subscribable topics
for pat in default_patterns: # tasmota default and SO19
self.topics += expand_fulltopic(pat)
# check if custom patterns can be matched by default patterns
for pat in custom_patterns:
if pat.startswith("%prefix%") or pat.split('/')[1] == "%prefix%":
continue # do nothing, default subcriptions will match this topic
else:
self.topics += expand_fulltopic(pat)
for d in self.env.devices:
# if device has a non-standard pattern, check if the pattern is found in the custom patterns
if not d.is_default() and d.p['FullTopic'] not in custom_patterns:
# if pattern is not found then add the device topics to subscription list.
# if the pattern is found, it will be matched without implicit subscription
self.topics += expand_fulltopic(d.p['FullTopic'])
# passing a list of tuples as recommended by paho
self.mqtt.subscribe([(topic, 0) for topic in self.topics])
@pyqtSlot(str, str)
def mqtt_publish(self, t, p):
self.mqtt.publish(t, p)
def mqtt_publish_queue(self):
for q in self.mqtt_queue:
t, p = q
self.mqtt.publish(t, p)
self.mqtt_queue.pop(self.mqtt_queue.index(q))
def mqtt_disconnected(self):
self.actToggleConnect.setIcon(QIcon(":/disconnect.png"))
self.actToggleConnect.setText("Connect")
self.statusBar().showMessage("Disconnected")
def mqtt_connectError(self, rc):
reason = {
1: "Incorrect protocol version",
2: "Invalid client identifier",
3: "Server unavailable",
4: "Bad username or password",
5: "Not authorized",
}
self.statusBar().showMessage("Connection error: {}".format(reason[rc]))
self.actToggleConnect.setChecked(False)
def mqtt_message(self, topic, msg):
# try to find a device by matching known FullTopics against the MQTT topic of the message
device = self.env.find_device(topic)
if device:
if topic.endswith("LWT"):
if not msg:
msg = "Offline"
device.update_property("LWT", msg)
if msg == 'Online':
# known device came online, query initial state
self.initial_query(device, True)
else:
# forward the message for processing
device.parse_message(topic, msg)
if device.debug:
logging.debug("MQTT: %s %s", topic, msg)
else: # unknown device, start autodiscovery process
if topic.endswith("LWT"):
self.env.lwts.append(topic)
logging.info("DISCOVERY: LWT from an unknown device %s", topic)
# STAGE 1
# load default and user-provided FullTopic patterns and for all the patterns,
# try matching the LWT topic (it follows the device's FullTopic syntax
for p in default_patterns + custom_patterns:
match = re.fullmatch(
p.replace("%topic%", "(?P<topic>.*?)").replace(
"%prefix%", "(?P<prefix>.*?)") + ".*$", topic)
if match:
# assume that the matched topic is the one configured in device settings
possible_topic = match.groupdict().get('topic')
if possible_topic not in ('tele', 'stat'):
# if the assumed topic is different from tele or stat, there is a chance that it's a valid topic
# query the assumed device for its FullTopic. False positives won't reply.
possible_topic_cmnd = p.replace(
"%prefix%", "cmnd").replace(
"%topic%", possible_topic) + "FullTopic"
logging.debug(
"DISCOVERY: Asking an unknown device for FullTopic at %s",
possible_topic_cmnd)
self.mqtt_queue.append([possible_topic_cmnd, ""])
elif topic.endswith("RESULT") or topic.endswith(
"FULLTOPIC"): # reply from an unknown device
# STAGE 2
full_topic = loads(msg).get('FullTopic')
if full_topic:
# the device replies with its FullTopic
# here the Topic is extracted using the returned FullTopic, identifying the device
parsed = parse_topic(full_topic, topic)
if parsed:
# got a match, we query the device's MAC address in case it's a known device that had its topic changed
logging.debug(
"DISCOVERY: topic %s is matched by fulltopic %s",
topic, full_topic)
d = self.env.find_device(topic=parsed['topic'])
if d:
d.update_property("FullTopic", full_topic)
else:
logging.info(
"DISCOVERY: Discovered topic=%s with fulltopic=%s",
parsed['topic'], full_topic)
d = TasmotaDevice(parsed['topic'], full_topic)
self.env.devices.append(d)
self.device_model.addDevice(d)
logging.debug(
"DISCOVERY: Sending initial query to topic %s",
parsed['topic'])
self.initial_query(d, True)
self.env.lwts.remove(d.tele_topic("LWT"))
d.update_property("LWT", "Online")
def export(self):
fname, _ = QFileDialog.getSaveFileName(self,
"Export device list as...",
directory=QDir.homePath(),
filter="CSV files (*.csv)")
if fname:
if not fname.endswith(".csv"):
fname += ".csv"
with open(fname, "w", encoding='utf8') as f:
column_titles = [
'mac', 'topic', 'friendly_name', 'full_topic',
'cmnd_topic', 'stat_topic', 'tele_topic', 'module',
'module_id', 'firmware', 'core'
]
c = csv.writer(f)
c.writerow(column_titles)
for r in range(self.device_model.rowCount()):
d = self.device_model.index(r, 0)
c.writerow([
self.device_model.mac(d),
self.device_model.topic(d),
self.device_model.friendly_name(d),
self.device_model.fullTopic(d),
self.device_model.commandTopic(d),
self.device_model.statTopic(d),
self.device_model.teleTopic(d),
# modules.get(self.device_model.module(d)),
self.device_model.module(d),
self.device_model.firmware(d),
self.device_model.core(d)
])
def bssid(self):
BSSIdDialog().exec_()
def patterns(self):
PatternsDialog().exec_()
# def openhab(self):
# OpenHABDialog(self.env).exec_()
def showSubs(self):
QMessageBox.information(self, "Subscriptions",
"\n".join(sorted(self.topics)))
def clear_LWT(self):
dlg = ClearLWTDialog(self.env)
if dlg.exec_() == ClearLWTDialog.Accepted:
for row in range(dlg.lw.count()):
itm = dlg.lw.item(row)
if itm.checkState() == Qt.Checked:
topic = itm.text()
self.mqtt.publish(topic, retain=True)
self.env.lwts.remove(topic)
logging.info("MQTT: Cleared %s", topic)
def prefs(self):
dlg = PrefsDialog()
if dlg.exec_() == QDialog.Accepted:
update_devices = False
devices_short_version = self.settings.value(
"devices_short_version", True, bool)
if devices_short_version != dlg.cbDevShortVersion.isChecked():
update_devices = True
self.settings.setValue("devices_short_version",
dlg.cbDevShortVersion.isChecked())
update_consoles = False
console_font_size = self.settings.value("console_font_size", 9)
if console_font_size != dlg.sbConsFontSize.value():
update_consoles = True
self.settings.setValue("console_font_size",
dlg.sbConsFontSize.value())
console_word_wrap = self.settings.value("console_word_wrap", True,
bool)
if console_word_wrap != dlg.cbConsWW.isChecked():
update_consoles = True
self.settings.setValue("console_word_wrap",
dlg.cbConsWW.isChecked())
if update_consoles:
for c in self.consoles:
c.console.setWordWrapMode(dlg.cbConsWW.isChecked())
new_font = QFont(c.console.font())
new_font.setPointSize(dlg.sbConsFontSize.value())
c.console.setFont(new_font)
self.settings.sync()
def auto_telemetry_period(self):
curr_val = self.settings.value("autotelemetry", 5000, int)
period, ok = QInputDialog.getInt(
self, "Set AutoTelemetry period",
"Values under 5000ms may cause increased ESP LoadAvg", curr_val,
1000)
if ok:
self.settings.setValue("autotelemetry", period)
self.settings.sync()
@pyqtSlot(TasmotaDevice)
def selectDevice(self, d):
self.device = d
@pyqtSlot()
def openTelemetry(self):
if self.device:
tele_widget = TelemetryWidget(self.device)
self.addDockWidget(Qt.RightDockWidgetArea, tele_widget)
self.mqtt_publish(self.device.cmnd_topic('STATUS'), "8")
@pyqtSlot()
def openConsole(self):
if self.device:
console_widget = ConsoleWidget(self.device)
self.mqtt.messageSignal.connect(console_widget.consoleAppend)
console_widget.sendCommand.connect(self.mqtt.publish)
self.addDockWidget(Qt.BottomDockWidgetArea, console_widget)
console_widget.command.setFocus()
self.consoles.append(console_widget)
@pyqtSlot()
def openRulesEditor(self):
if self.device:
rules = RulesWidget(self.device)
self.mqtt.messageSignal.connect(rules.parseMessage)
rules.sendCommand.connect(self.mqtt_publish)
self.mdi.setViewMode(QMdiArea.TabbedView)
self.mdi.addSubWindow(rules)
rules.setWindowState(Qt.WindowMaximized)
rules.destroyed.connect(self.updateMDI)
self.mqtt_queue.append((self.device.cmnd_topic("ruletimer"), ""))
self.mqtt_queue.append((self.device.cmnd_topic("rule1"), ""))
self.mqtt_queue.append((self.device.cmnd_topic("Var"), ""))
self.mqtt_queue.append((self.device.cmnd_topic("Mem"), ""))
@pyqtSlot()
def openWebUI(self):
if self.device and self.device.p.get('IPAddress'):
url = QUrl("http://{}".format(self.device.p['IPAddress']))
try:
webui = QWebEngineView()
webui.load(url)
frm_webui = QFrame()
frm_webui.setWindowTitle("WebUI [{}]".format(
self.device.p['FriendlyName1']))
frm_webui.setFrameShape(QFrame.StyledPanel)
frm_webui.setLayout(VLayout(0))
frm_webui.layout().addWidget(webui)
frm_webui.destroyed.connect(self.updateMDI)
self.mdi.addSubWindow(frm_webui)
self.mdi.setViewMode(QMdiArea.TabbedView)
frm_webui.setWindowState(Qt.WindowMaximized)
except NameError:
QDesktopServices.openUrl(
QUrl("http://{}".format(self.device.p['IPAddress'])))
def updateMDI(self):
if len(self.mdi.subWindowList()) == 1:
self.mdi.setViewMode(QMdiArea.SubWindowView)
self.devices_list.setWindowState(Qt.WindowMaximized)
def closeEvent(self, e):
self.settings.setValue("version", self._version)
self.settings.setValue("window_geometry", self.saveGeometry())
self.settings.setValue("views_order",
";".join(self.devices_list.views.keys()))
self.settings.beginGroup("Views")
for view, items in self.devices_list.views.items():
self.settings.setValue(view, ";".join(items[1:]))
self.settings.endGroup()
self.settings.sync()
for d in self.env.devices:
mac = d.p.get('Mac')
topic = d.p['Topic']
full_topic = d.p['FullTopic']
friendly_name = d.p['FriendlyName1']
if mac:
self.devices.beginGroup(mac.replace(":", "-"))
self.devices.setValue("topic", topic)
self.devices.setValue("full_topic", full_topic)
self.devices.setValue("friendly_name", friendly_name)
for i, h in enumerate(d.history):
self.devices.setValue("history/{}".format(i), h)
self.devices.endGroup()
self.devices.sync()
e.accept()
class appWindow(QMainWindow):
"""
Application entry point, subclasses QMainWindow and implements the main widget,
sets necessary window behaviour etc.
"""
def __init__(self, parent=None):
super(appWindow, self).__init__(parent)
#create the menu bar
self.createMenuBar()
self.mdi = QMdiArea(self) #create area for files to be displayed
self.mdi.setObjectName('mdi area')
#create toolbar and add the toolbar plus mdi to layout
self.createToolbar()
#set flags so that window doesnt look weird
self.mdi.setOption(QMdiArea.DontMaximizeSubWindowOnActivation, True)
self.mdi.setTabsClosable(True)
self.mdi.setTabsMovable(True)
self.mdi.setDocumentMode(False)
#declare main window layout
self.setCentralWidget(self.mdi)
# self.resize(1280, 720) #set collapse dim
self.mdi.subWindowActivated.connect(self.tabSwitched)
self.readSettings()
def createMenuBar(self):
# Fetches a reference to the menu bar in the main window, and adds actions to it.
titleMenu = self.menuBar() #fetch reference to current menu bar
self.menuFile = titleMenu.addMenu('File') #File Menu
newAction = self.menuFile.addAction("New", self.newProject)
openAction = self.menuFile.addAction("Open", self.openProject)
saveAction = self.menuFile.addAction("Save", self.saveProject)
newAction.setShortcut(QKeySequence.New)
openAction.setShortcut(QKeySequence.Open)
saveAction.setShortcut(QKeySequence.Save)
self.menuEdit = titleMenu.addMenu('Edit')
undoAction = self.undo = self.menuEdit.addAction(
"Undo", lambda x=self: x.activeScene.painter.undoAction.trigger())
redoAction = self.redo = self.menuEdit.addAction(
"Redo", lambda x=self: x.activeScene.painter.redoAction.trigger())
undoAction.setShortcut(QKeySequence.Undo)
redoAction.setShortcut(QKeySequence.Redo)
self.menuEdit.addAction(
"Show Undo Stack",
lambda x=self: x.activeScene.painter.createUndoView(self))
self.menuEdit.addSeparator()
self.menuEdit.addAction("Add new symbols", self.addSymbolWindow)
self.menuGenerate = titleMenu.addMenu('Generate') #Generate menu
imageAction = self.menuGenerate.addAction("Image", self.saveImage)
reportAction = self.menuGenerate.addAction("Report",
self.generateReport)
imageAction.setShortcut(QKeySequence("Ctrl+P"))
reportAction.setShortcut(QKeySequence("Ctrl+R"))
def createToolbar(self):
#place holder for toolbar with fixed width, layout may change
self.toolbar = toolbar(self)
self.toolbar.setObjectName("Toolbar")
# self.addToolBar(Qt.LeftToolBarArea, self.toolbar)
self.addDockWidget(Qt.LeftDockWidgetArea, self.toolbar)
self.toolbar.toolbuttonClicked.connect(self.toolButtonClicked)
self.toolbar.populateToolbar()
def toolButtonClicked(self, object):
# To add the corresponding symbol for the clicked button to active scene.
if self.mdi.currentSubWindow():
currentDiagram = self.mdi.currentSubWindow().tabber.currentWidget(
).painter
if currentDiagram:
graphic = getattr(shapes, object['object'])(*map(
lambda x: int(x) if x.isdigit() else x, object['args']))
graphic.setPos(50, 50)
currentDiagram.addItemPlus(graphic)
def addSymbolWindow(self):
# Opens the add symbol window when requested
from utils.custom import ShapeDialog
ShapeDialog(self).exec()
def newProject(self):
#call to create a new file inside mdi area
project = FileWindow(self.mdi)
project.setObjectName("New Project")
self.mdi.addSubWindow(project)
if not project.tabList: # important when unpickling a file instead
project.newDiagram() #create a new tab in the new file
project.fileCloseEvent.connect(
self.fileClosed) #closed file signal to switch to sub window view
if self.count > 1: #switch to tab view if needed
self.mdi.setViewMode(QMdiArea.TabbedView)
project.show()
def openProject(self):
#show the open file dialog to open a saved file, then unpickle it.
name = QFileDialog.getOpenFileNames(self, 'Open File(s)', '',
'Process Flow Diagram (*pfd)')
if name:
for files in name[0]:
with open(files, 'r') as file:
projectData = load(file)
project = FileWindow(self.mdi)
self.mdi.addSubWindow(project)
#create blank window and set its state
project.__setstate__(projectData)
project.resizeHandler()
project.fileCloseEvent.connect(self.fileClosed)
project.show()
if self.count > 1:
# self.tabSpace.setVisible(True)
self.mdi.setViewMode(QMdiArea.TabbedView)
def saveProject(self):
#serialize all files in mdi area
for j, i in enumerate(self.activeFiles
): #get list of all windows with atleast one tab
if i.tabCount:
name = QFileDialog.getSaveFileName(
self, 'Save File', f'New Diagram {j}',
'Process Flow Diagram (*.pfd)')
i.saveProject(name)
else:
return False
return True
def saveImage(self):
#place holder for future implementaion
pass
def generateReport(self):
#place holder for future implementaion
pass
def tabSwitched(self, window):
#handle window switched edge case
if window and window.tabCount:
window.resizeHandler()
def resizeEvent(self, event):
#overload resize to also handle resize on file windows inside
for i in self.mdi.subWindowList():
i.resizeHandler()
self.toolbar.resize()
super(appWindow, self).resizeEvent(event)
def closeEvent(self, event):
#save alert on window close
if len(self.activeFiles) and not dialogs.saveEvent(self):
event.ignore()
else:
event.accept()
self.writeSettings()
def fileClosed(self, index):
#checks if the file tab menu needs to be removed
if self.count <= 2:
self.mdi.setViewMode(QMdiArea.SubWindowView)
def writeSettings(self):
# write window state on window close
settings.beginGroup("MainWindow")
settings.setValue("maximized", self.isMaximized())
if not self.isMaximized():
settings.setValue("size", self.size())
settings.setValue("pos", self.pos())
settings.endGroup()
def readSettings(self):
# read window state when app launches
settings.beginGroup("MainWindow")
self.resize(settings.value("size", QSize(1280, 720)))
self.move(settings.value("pos", QPoint(320, 124)))
if settings.value("maximized", False, type=bool):
self.showMaximized()
settings.endGroup()
#useful one liner properties for getting data
@property
def activeFiles(self):
return [i for i in self.mdi.subWindowList() if i.tabCount]
@property
def count(self):
return len(self.mdi.subWindowList())
@property
def activeScene(self):
return self.mdi.currentSubWindow().tabber.currentWidget()
#Key input handler
def keyPressEvent(self, event):
#overload key press event for custom keyboard shortcuts
if event.modifiers() & Qt.ControlModifier:
if event.key() == Qt.Key_A:
#todo implement selectAll
for item in self.mdi.activeSubWindow().tabber.currentWidget(
).items:
item.setSelected(True)
#todo copy, paste, undo redo
else:
return
event.accept()
elif event.key() == Qt.Key_Q:
if self.mdi.activeSubWindow() and self.mdi.activeSubWindow(
).tabber.currentWidget():
for item in self.mdi.activeSubWindow().tabber.currentWidget(
).painter.selectedItems():
item.rotation -= 1
elif event.key() == Qt.Key_E:
if self.mdi.activeSubWindow() and self.mdi.activeSubWindow(
).tabber.currentWidget():
for item in self.mdi.activeSubWindow().tabber.currentWidget(
).painter.selectedItems():
item.rotation += 1
class CalculatorWindow(NodeEditorWindow):
"""Class representing the MainWindow of the application.
Instance Attributes:
name_company and name_product - used to register the settings
"""
def initUI(self):
"""UI is composed with """
# variable for QSettings
self.name_company = 'Michelin'
self.name_product = 'Calculator NodeEditor'
# Load filesheets
self.stylesheet_filename = os.path.join(os.path.dirname(__file__),
'qss/nodeeditor.qss')
loadStylessheets(
os.path.join(os.path.dirname(__file__), 'qss/nodeeditor-dark.qss'),
self.stylesheet_filename)
self.empty_icon = QIcon(".")
if DEBUG:
print('Registered Node')
pp(CALC_NODES)
# Instantiate the MultiDocument Area
self.mdiArea = QMdiArea()
self.mdiArea.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded)
self.mdiArea.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
self.mdiArea.setViewMode(QMdiArea.TabbedView)
self.mdiArea.setTabsClosable(True)
self.setCentralWidget(self.mdiArea)
# Connect subWindowActivate to updateMenu
# Activate the items on the file_menu and the edit_menu
self.mdiArea.subWindowActivated.connect(self.updateMenus)
# from mdi example...
self.windowMapper = QSignalMapper(self)
self.windowMapper.mapped[QWidget].connect(self.setActiveSubWindow)
# instantiate various elements
self.createNodesDock()
self.createActions()
self.createMenus()
self.createToolBars()
self.createStatusBar()
self.updateMenus()
self.readSettings()
self.setWindowTitle("Calculator NodeEditor Example")
def createActions(self):
"""Instantiate various `QAction` for the main toolbar.
File and Edit menu actions are instantiated in the :classs:~`node_editor.node_editor_widget.NodeEditorWidget`
Window and Help actions are specific to the :class:~`examples.calc_window.CalcWindow`
"""
super().createActions()
self.actClose = QAction("Cl&ose",
self,
statusTip="Close the active window",
triggered=self.mdiArea.closeActiveSubWindow)
self.actCloseAll = QAction("Close &All",
self,
statusTip="Close all the windows",
triggered=self.mdiArea.closeAllSubWindows)
self.actTile = QAction("&Tile",
self,
statusTip="Tile the windows",
triggered=self.mdiArea.tileSubWindows)
self.actCascade = QAction("&Cascade",
self,
statusTip="Cascade the windows",
triggered=self.mdiArea.cascadeSubWindows)
self.actNext = QAction("Ne&xt",
self,
shortcut=QKeySequence.NextChild,
statusTip="Move the focus to the next window",
triggered=self.mdiArea.activateNextSubWindow)
self.actPrevious = QAction(
"Pre&vious",
self,
shortcut=QKeySequence.PreviousChild,
statusTip="Move the focus to the previous window",
triggered=self.mdiArea.activatePreviousSubWindow)
self.actSeparator = QAction(self)
self.actSeparator.setSeparator(True)
self.actAbout = QAction("&About",
self,
statusTip="Show the application's About box",
triggered=self.about)
def createMenus(self):
"""Populate File, Edit, Window and Help with `QAction`"""
super().createMenus()
self.windowMenu = self.menuBar().addMenu("&Window")
self.updateWindowMenu()
self.windowMenu.aboutToShow.connect(self.updateWindowMenu)
self.menuBar().addSeparator()
self.helpMenu = self.menuBar().addMenu("&Help")
self.helpMenu.addAction(self.actAbout)
# Any time the edit menu is about to be shown, update it
self.editMenu.aboutToShow.connect(self.updateEditMenu)
def onWindowNodesToolbar(self):
"""Event handling the visibility of the `Nodes Dock`"""
if self.nodesDock.isVisible():
self.nodesDock.hide()
else:
self.nodesDock.show()
def createToolBars(self):
pass
def createNodesDock(self):
"""Create `Nodes Dock` and populates it with the list of `Nodes`
The `Nodes` are automatically detected via the :class:~`examples.calc_drag_listbox.QNEDragListBox`
"""
self.nodeListWidget = QNEDragListbox()
self.nodesDock = QDockWidget("Nodes")
self.nodesDock.setWidget(self.nodeListWidget)
self.nodesDock.setFloating(False)
self.addDockWidget(Qt.RightDockWidgetArea, self.nodesDock)
def createStatusBar(self):
self.statusBar().showMessage("Ready", )
def updateMenus(self):
active = self.getCurrentNodeEditorWidget()
hasMdiChild = (active is not None)
self.actSave.setEnabled(hasMdiChild)
self.actSaveAs.setEnabled(hasMdiChild)
self.actClose.setEnabled(hasMdiChild)
self.actCloseAll.setEnabled(hasMdiChild)
self.actTile.setEnabled(hasMdiChild)
self.actCascade.setEnabled(hasMdiChild)
self.actNext.setEnabled(hasMdiChild)
self.actPrevious.setEnabled(hasMdiChild)
self.actSeparator.setVisible(hasMdiChild)
self.updateEditMenu()
def updateEditMenu(self):
if DEBUG: print('updateEditMenu')
try:
active = self.getCurrentNodeEditorWidget()
hasMdiChild = (active is not None)
hasSelectedItems = hasMdiChild and active.hasSelectedItems()
self.actPaste.setEnabled(hasMdiChild)
self.actCut.setEnabled(hasSelectedItems)
self.actCopy.setEnabled(hasSelectedItems)
self.actDelete.setEnabled(hasSelectedItems)
self.actUndo.setEnabled(hasMdiChild and active.canUndo())
self.actRedo.setEnabled(hasMdiChild and active.canRedo())
except Exception as e:
dumpException(e)
def updateWindowMenu(self):
self.windowMenu.clear()
toolbar_nodes = self.windowMenu.addAction('Nodes toolbar')
toolbar_nodes.setCheckable(True)
toolbar_nodes.triggered.connect(self.onWindowNodesToolbar)
toolbar_nodes.setChecked(self.nodesDock.isVisible())
self.windowMenu.addSeparator()
self.windowMenu.addAction(self.actClose)
self.windowMenu.addAction(self.actCloseAll)
self.windowMenu.addSeparator()
self.windowMenu.addAction(self.actTile)
self.windowMenu.addAction(self.actCascade)
self.windowMenu.addSeparator()
self.windowMenu.addAction(self.actNext)
self.windowMenu.addAction(self.actPrevious)
self.windowMenu.addAction(self.actSeparator)
windows = self.mdiArea.subWindowList()
self.actSeparator.setVisible(len(windows) != 0)
for i, window in enumerate(windows):
child = window.widget()
text = "%d %s" % (i + 1, child.getUserFriendlyFilename())
if i < 9:
text = '&' + text
action = self.windowMenu.addAction(text)
action.setCheckable(True)
action.setChecked(child is self.getCurrentNodeEditorWidget())
action.triggered.connect(self.windowMapper.map)
self.windowMapper.setMapping(action, window)
def getCurrentNodeEditorWidget(self) -> NodeEditorWidget:
"""Return the widget currently holding the scene.
For different application, the method can be overridden to return mdiArea, the central widget...
Returns
-------
NodeEditorWidget
Node editor Widget. The widget holding the scene.
"""
activeSubWindow = self.mdiArea.activeSubWindow()
if activeSubWindow:
return activeSubWindow.widget()
return None
def onFileNew(self):
try:
subwnd = self.createMdiChild()
subwnd.widget().fileNew()
subwnd.show()
except Exception as e:
dumpException(e)
def onFileOpen(self):
"""Open OpenFileDialog"""
# OpenFile dialog
fnames, filter = QFileDialog.getOpenFileNames(
self, 'Open graph from file', self.getFileDialogDirectory(),
self.getFileDialogFilter())
try:
for fname in fnames:
if fname:
existing = self.findMdiChild(fname)
if existing:
self.mdiArea.setActiveSubWindow(existing)
else:
# do not use createMdiChild as a new node editor to call the fileLoad method
# Create new subwindow and open file
nodeeditor = CalculatorSubWindow()
if nodeeditor.fileLoad(fname):
self.statusBar().showMessage(
f'File {fname} loaded', 5000)
nodeeditor.setTitle()
subwnd = self.createMdiChild(nodeeditor)
subwnd.show()
else:
nodeeditor.close()
except Exception as e:
dumpException(e)
def about(self):
QMessageBox.about(
self, "About Calculator NodeEditor Example",
"The <b>Calculator NodeEditor</b> example demonstrates how to write multiple "
"document interface applications using PyQt5 and NodeEditor.")
def closeEvent(self, event: QCloseEvent) -> None:
try:
self.mdiArea.closeAllSubWindows()
if self.mdiArea.currentSubWindow():
event.ignore()
else:
self.writeSettings()
event.accept()
# In case of fixing the application closing
# import sys
# sys.exit(0)
except Exception as e:
dumpException(e)
def createMdiChild(self, child_widget=None):
nodeeditor = child_widget if child_widget is not None else CalculatorSubWindow(
)
subwnd = self.mdiArea.addSubWindow(nodeeditor, )
subwnd.setWindowIcon(self.empty_icon)
# nodeeditor.scene.addItemSelectedListener(self.updateEditMenu)
# nodeeditor.scene.addItemsDeselectedListener(self.updateEditMenu)
nodeeditor.scene.history.addHistoryModifiedListener(
self.updateEditMenu)
nodeeditor.addCloseEventListener(self.onSubWndClose)
return subwnd
def onSubWndClose(self, widget: CalculatorSubWindow, event: QCloseEvent):
# close event from the nodeeditor works by asking the active widget
# if modification occurs on the active widget, ask to save or not.
# Therefore when closing a subwindow, select the corresponding subwindow
existing = self.findMdiChild(widget.filename)
self.mdiArea.setActiveSubWindow(existing)
# Does the active widget need to be saved ?
if self.maybeSave():
event.accept()
else:
event.ignore()
def findMdiChild(self, fileName):
for window in self.mdiArea.subWindowList():
if window.widget().filename == fileName:
return window
return None
def setActiveSubWindow(self, window):
if window:
self.mdiArea.setActiveSubWindow(window)
class EditorMainWindow(object):
def __init__(self):
self.seq = 0
self.widget = loadUi(MAIN_UI_PATH)
self.init_mdi()
self.init_actions()
self.init_instance()
self.widget.closeEvent = self.close_handler
self.widget.showMaximized()
def get_seq(self):
self.seq += 1
return self.seq
def init_mdi(self):
self.mdi = QMdiArea(self.widget)
self.mdi.setViewMode(QMdiArea.TabbedView)
self.mdi.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded)
self.mdi.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
self.mdi.setTabsMovable(True)
self.mdi.setTabsClosable(True)
self.mdi.setTabShape(QTabWidget.Rounded)
self.widget.setCentralWidget(self.mdi)
def init_actions(self):
self.widget.actionNew.triggered.connect(self.action_new_handler)
self.widget.actionOpen.triggered.connect(self.action_open_handler)
self.widget.actionSave.triggered.connect(self.action_save_handler)
self.widget.actionSave_As.triggered.connect(self.action_save_as_handler)
self.widget.actionClose.triggered.connect(self.action_close_handler)
self.widget.actionClose_All.triggered.connect(self.action_close_all_handler)
self.widget.actionExport.triggered.connect(self.action_export_handler)
self.widget.actionStates.triggered.connect(self.action_states_handler)
self.widget.actionEvents.triggered.connect(self.action_events_handler)
def close_handler(self, ev):
l = self.mdi.subWindowList()
if len(l) != 0:
self.mdi.closeAllSubWindows()
ev.ignore()
def init_instance(self):
self.instances = []
def remove_instance(self, ins):
self.instances.remove(ins)
def find_non_existing_name(self):
while True:
tmp_path = os.path.join(
config.src_path,
"NewFsm" + str(self.get_seq()) + FSM_FILE_EXT)
if not os.path.exists(tmp_path):
return tmp_path
def action_new_handler(self):
tmp_path = self.find_non_existing_name()
m = FsmModel()
m.default_init()
vm = InstanceVM(m, self, tmp_path)
vm.set_modified(True)
def file_already_open(self, pth):
for i in self.instances:
pth = os.path.abspath(pth)
if pth == i.file_path:
return i
return None
def action_open_handler(self):
p = QFileDialog()
p.setViewMode(QFileDialog.List)
p.setFileMode(QFileDialog.ExistingFiles)
p.setDirectory(config.src_path)
p.exec()
paths = p.selectedFiles()
for pth in paths:
i = self.file_already_open(pth)
if i:
self.mdi.setActiveSubWindow(i.sub_window)
else:
m = FsmModel.load_file(pth)
vm = InstanceVM(m, self, pth)
def action_save_handler(self):
w = self.mdi.activeSubWindow()
if w is None:
return
model = w.instance.model
model.dump_file(w.instance.file_path)
w.instance.set_modified(False)
def action_save_as_handler(self):
w = self.mdi.activeSubWindow()
if w is None:
return
p = QFileDialog()
p.setViewMode(QFileDialog.List)
p.setDirectory(config.src_path)
p.exec()
paths = p.selectedFiles()
if len(paths) == 0:
return
w.instance.file_path = os.path.abspath(paths[0])
w.instance.update_title()
model = w.instance.model
model.dump_file(w.instance.file_path)
w.instance.set_modified(False)
def action_close_handler(self):
w = self.mdi.activeSubWindow()
if w is None:
return
w.close()
def action_close_all_handler(self):
self.mdi.closeAllSubWindows()
def action_export_handler(self):
fsm_files = os.listdir(config.src_path)
for fn in fsm_files:
full_name = os.path.join(config.src_path, fn)
b, e = os.path.splitext(full_name)
if e == FSM_FILE_EXT:
f = open(full_name, "rb")
basename, e = os.path.splitext(fn)
model_object = pickle.load(f)
f.close()
exporter = FsmModelPythonExporter(model_object)
exporter.export(os.path.join(config.export_path, basename + "_fsm.py"))
def action_states_handler(self):
cur = self.get_current_instance()
if cur is None:
return
model = cur.model
w = loadUi(STATE_LIST_DIALOG_PATH)
list_vm = MultiColumnListModel(
model.state,
LIST_DIALOG_COLUMNS,
STATE_DIALOG_HEADERS)
add_item = functools.partial(model.add_item, StateItem, "state")
remove_item = functools.partial(model.remove_item, "state")
dialog = StateListPanelVM(
list_vm,
model.state,
add_item,
remove_item,
w)
dialog.run()
cur.table_vm.refresh()
def action_events_handler(self):
cur = self.get_current_instance()
if cur is None:
return
model = cur.model
w = loadUi(EVENT_DIALOG_PATH)
list_vm = MultiColumnListModel(
model.event,
LIST_DIALOG_COLUMNS,
EVENT_DIALOG_HEADERS)
add_item = functools.partial(model.add_item, EventItem, "event")
remove_item = functools.partial(model.remove_item, "event")
dialog = ListEditPanelVM(
list_vm,
model.event,
add_item,
remove_item,
w)
dialog.run()
cur.table_vm.refresh()
def get_current_instance(self):
current = self.mdi.activeSubWindow()
if not current:
return None
for i in self.instances:
if i.sub_window == current:
return i
assert(False) # there is an active sub window but there's no matching instance
class EditorMainWindow(object):
def __init__(self):
self.seq = 0
self.widget = loadUi(MAIN_UI_PATH)
self.init_mdi()
self.init_actions()
self.init_instance()
self.widget.closeEvent = self.close_handler
self.widget.showMaximized()
def get_seq(self):
self.seq += 1
return self.seq
def init_mdi(self):
self.mdi = QMdiArea(self.widget)
self.mdi.setViewMode(QMdiArea.TabbedView)
self.mdi.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded)
self.mdi.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
self.mdi.setTabsMovable(True)
self.mdi.setTabsClosable(True)
self.mdi.setTabShape(QTabWidget.Rounded)
self.widget.setCentralWidget(self.mdi)
def init_actions(self):
self.widget.actionNew.triggered.connect(self.action_new_handler)
self.widget.actionOpen.triggered.connect(self.action_open_handler)
self.widget.actionSave.triggered.connect(self.action_save_handler)
self.widget.actionSave_As.triggered.connect(
self.action_save_as_handler)
self.widget.actionClose.triggered.connect(self.action_close_handler)
self.widget.actionClose_All.triggered.connect(
self.action_close_all_handler)
self.widget.actionExport.triggered.connect(self.action_export_handler)
self.widget.actionStates.triggered.connect(self.action_states_handler)
self.widget.actionEvents.triggered.connect(self.action_events_handler)
def close_handler(self, ev):
l = self.mdi.subWindowList()
if len(l) != 0:
self.mdi.closeAllSubWindows()
ev.ignore()
def init_instance(self):
self.instances = []
def remove_instance(self, ins):
self.instances.remove(ins)
def find_non_existing_name(self):
while True:
tmp_path = os.path.join(
config.src_path, "NewFsm" + str(self.get_seq()) + FSM_FILE_EXT)
if not os.path.exists(tmp_path):
return tmp_path
def action_new_handler(self):
tmp_path = self.find_non_existing_name()
m = FsmModel()
m.default_init()
vm = InstanceVM(m, self, tmp_path)
vm.set_modified(True)
def file_already_open(self, pth):
for i in self.instances:
pth = os.path.abspath(pth)
if pth == i.file_path:
return i
return None
def action_open_handler(self):
p = QFileDialog()
p.setViewMode(QFileDialog.List)
p.setFileMode(QFileDialog.ExistingFiles)
p.setDirectory(config.src_path)
p.exec()
paths = p.selectedFiles()
for pth in paths:
i = self.file_already_open(pth)
if i:
self.mdi.setActiveSubWindow(i.sub_window)
else:
m = FsmModel.load_file(pth)
vm = InstanceVM(m, self, pth)
def action_save_handler(self):
w = self.mdi.activeSubWindow()
if w is None:
return
model = w.instance.model
model.dump_file(w.instance.file_path)
w.instance.set_modified(False)
def action_save_as_handler(self):
w = self.mdi.activeSubWindow()
if w is None:
return
p = QFileDialog()
p.setViewMode(QFileDialog.List)
p.setDirectory(config.src_path)
p.exec()
paths = p.selectedFiles()
if len(paths) == 0:
return
w.instance.file_path = os.path.abspath(paths[0])
w.instance.update_title()
model = w.instance.model
model.dump_file(w.instance.file_path)
w.instance.set_modified(False)
def action_close_handler(self):
w = self.mdi.activeSubWindow()
if w is None:
return
w.close()
def action_close_all_handler(self):
self.mdi.closeAllSubWindows()
def action_export_handler(self):
fsm_files = os.listdir(config.src_path)
for fn in fsm_files:
full_name = os.path.join(config.src_path, fn)
b, e = os.path.splitext(full_name)
if e == FSM_FILE_EXT:
f = open(full_name, "rb")
basename, e = os.path.splitext(fn)
model_object = pickle.load(f)
f.close()
exporter = FsmModelPythonExporter(model_object)
exporter.export(
os.path.join(config.export_path, basename + "_fsm.py"))
def action_states_handler(self):
cur = self.get_current_instance()
if cur is None:
return
model = cur.model
w = loadUi(STATE_LIST_DIALOG_PATH)
list_vm = MultiColumnListModel(model.state, LIST_DIALOG_COLUMNS,
STATE_DIALOG_HEADERS)
add_item = functools.partial(model.add_item, StateItem, "state")
remove_item = functools.partial(model.remove_item, "state")
dialog = StateListPanelVM(list_vm, model.state, add_item, remove_item,
w)
dialog.run()
cur.table_vm.refresh()
def action_events_handler(self):
cur = self.get_current_instance()
if cur is None:
return
model = cur.model
w = loadUi(EVENT_DIALOG_PATH)
list_vm = MultiColumnListModel(model.event, LIST_DIALOG_COLUMNS,
EVENT_DIALOG_HEADERS)
add_item = functools.partial(model.add_item, EventItem, "event")
remove_item = functools.partial(model.remove_item, "event")
dialog = ListEditPanelVM(list_vm, model.event, add_item, remove_item,
w)
dialog.run()
cur.table_vm.refresh()
def get_current_instance(self):
current = self.mdi.activeSubWindow()
if not current:
return None
for i in self.instances:
if i.sub_window == current:
return i
assert (
False
) # there is an active sub window but there's no matching instance
class DemoMdi(QMainWindow):
def __init__(self, parent=None):
super(DemoMdi, self).__init__(parent)
# 设置窗口标题
self.setWindowTitle(
'MDI with a dockWidget tree and a tab-view mdiArea')
# 设置窗口大小
self.resize(800, 640)
self.initUi()
self.mytimer = QTimer(self)
self.mytimer.start(1000)
self.mytimer.timeout.connect(self.timerCallback)
def initUi(self):
self.initMenuBar()
self.initToolBar()
self.initDockTree()
self.initStatusBar()
self.mdiArea = QMdiArea(self)
self.setCentralWidget(self.mdiArea)
# set as tabbedView by default
self.mdiArea.setViewMode(QMdiArea.TabbedView)
self.mdiArea.setTabShape(QTabWidget.Triangular)
self.mdiArea.setTabsClosable(True)
self.mdiArea.setTabsMovable(True)
# index of document
self.newDocIndex = 1
def initDockTree(self):
self.dockWind = QDockWidget(self)
self.dockWind.setWindowTitle('QProfile Explorer')
self.initTree()
self.dockWind.setWidget(self.tree)
self.dockWind.setFloating(False) # set floating = false
self.addDockWidget(Qt.LeftDockWidgetArea,
self.dockWind) # set the position at left side
# remove all features of DockWidget like Closable, Moveable, Floatable, VerticalTitle etc.
self.dockWind.setFeatures(QDockWidget.NoDockWidgetFeatures)
def initTree(self):
self.tree = QTreeWidget()
self.tree.setColumnCount(1) #设置列数
#self.tree.setHeaderLabels(['QProfiler items']) #设置树形控件头部的标题
self.tree.setIndentation(20) # 项目的缩进
self.tree.setHeaderHidden(True)
#设置根节点
Perfmon = myQTreeWidgetItem(sin(pi * perfmon_x))
Perfmon.setText(0, 'Perfmon')
perfmon_00 = myQTreeWidgetItem(sin(2 * pi * perfmon_x))
perfmon_00.setText(0, 'perfmon_00')
Perfmon.addChild(perfmon_00)
perfmon_01 = QTreeWidgetItem()
perfmon_01.setText(0, 'perfmon_01')
Perfmon.addChild(perfmon_01)
perfmon_02 = QTreeWidgetItem()
perfmon_02.setText(0, 'perfmon_02')
Perfmon.addChild(perfmon_02)
perfmon_03 = QTreeWidgetItem()
perfmon_03.setText(0, 'perfmon_03')
Perfmon.addChild(perfmon_03)
self.tree.addTopLevelItem(Perfmon)
# CPU
cpuLoad = QTreeWidgetItem()
cpuLoad.setText(0, 'CPU')
cpuLoad_1 = QTreeWidgetItem()
cpuLoad_1.setText(0, 'core 1')
cpuLoad.addChild(cpuLoad_1)
cpuLoad_2 = QTreeWidgetItem()
cpuLoad_2.setText(0, 'core 2')
cpuLoad.addChild(cpuLoad_2)
self.tree.addTopLevelItem(cpuLoad)
# treeItem signal
self.tree.itemClicked[QTreeWidgetItem,
int].connect(self.treeItemClicked)
def treeItemWindow_open(self, item):
title = item.text(0)
subWind = QMdiSubWindow(self)
subWind.setAttribute(Qt.WA_DeleteOnClose)
subWind.setWindowTitle(title)
self.newDocIndex += 1
mainWid = QWidget()
l = QtWidgets.QVBoxLayout(mainWid)
txtWind = QPlainTextEdit(mainWid)
txtWind.setPlainText(f"perfmon.x = {item.x}, \n y = {item.y}")
figWind = MyCanvas(mainWid,
width=5,
height=4,
dpi=100,
treeWidgetItem=item)
l.addWidget(figWind)
l.addWidget(txtWind)
l.setStretch(0, 3) # 设置第一列的伸展比例为 3
l.setStretch(1, 1) # 设置第二列的伸展比例为 1， 这样2列的伸展比为3：1
subWind.setWidget(mainWid)
self.mdiArea.addSubWindow(subWind)
subWind.show()
def treeItemClicked(self, item, column):
tab = self.get_treeItem_tab(item.text(column))
if tab is not None:
tab.setFocus()
else:
if item.text(column) == 'Perfmon':
self.treeItemWindow_open(item)
else:
newDoc = QMdiSubWindow(self)
newDoc.setAttribute(Qt.WA_DeleteOnClose)
newDoc.setWindowTitle(item.text(column))
self.newDocIndex += 1
newDoc.setWidget(QPlainTextEdit(
item.text(column) * 10, newDoc))
self.mdiArea.addSubWindow(newDoc)
newDoc.show()
def get_treeItem_tab(self, title):
for wind in self.mdiArea.subWindowList():
if title == wind.windowTitle():
return wind
return None
def initStatusBar(self):
self.statusBar = self.statusBar()
self.statusBar.showMessage('Ready to start ...', 0)
def initMenuBar(self):
menuBar = self.menuBar()
style = QApplication.style()
#==== 文件 ====#
fileMenu = menuBar.addMenu('文件')
#新建一个文档
aFileNew = QAction('新建文档', self)
aFileNew.setIcon(style.standardIcon(QStyle.SP_FileIcon))
aFileNew.triggered.connect(self.onFileNew)
fileMenu.addAction(aFileNew)
#打开一个文档
aFileOpen = QAction('打开文档', self)
aFileOpen.setIcon(style.standardIcon(QStyle.SP_DialogOpenButton))
aFileOpen.triggered.connect(self.onFileOpen)
fileMenu.addAction(aFileOpen)
#关闭一个文档
aFileCloseAll = QAction('关闭全部', self)
aFileCloseAll.setIcon(style.standardIcon(QStyle.SP_DialogCloseButton))
aFileOpen.triggered.connect(self.onFileCloseAll)
fileMenu.addAction(aFileCloseAll)
#添加分割线
fileMenu.addSeparator()
#退出
aFileExit = QAction('退出', self)
aFileExit.triggered.connect(self.close)
fileMenu.addAction(aFileExit)
#==== 编辑 ====#
editMenu = menuBar.addMenu('编辑')
#剪切
aEditCut = QAction('剪切', self)
aEditCut.setIcon(QIcon(':/ico/cut.png'))
aEditCut.triggered.connect(self.onEditCut)
editMenu.addAction(aEditCut)
#复制
aEditCopy = QAction('复制', self)
aEditCopy.setIcon(QIcon(':/ico/copy.png'))
aEditCopy.triggered.connect(self.onEditCopy)
editMenu.addAction(aEditCopy)
#粘贴
aEditPaste = QAction('粘贴', self)
aEditPaste.setIcon(QIcon(':/ico/paste.png'))
aEditPaste.triggered.connect(self.onEditPaste)
editMenu.addAction(aEditPaste)
#==== 窗口排列方式 ====#
windowMenu = menuBar.addMenu('窗口')
#子窗口模式
aWndSubView = QAction('子窗口模式', self)
aWndSubView.triggered.connect(lambda: self.onWinowdMode(0))
windowMenu.addAction(aWndSubView)
#标签页模式
aWndTab = QAction('标签页模式', self)
aWndTab.triggered.connect(lambda: self.onWinowdMode(1))
windowMenu.addAction(aWndTab)
windowMenu.addSeparator()
#平铺模式
aWndTile = QAction('平铺模式', self)
aWndTile.triggered.connect(lambda: self.onWinowdMode(2))
windowMenu.addAction(aWndTile)
#窗口级联模式
aWndCascade = QAction('窗口级联模式', self)
aWndCascade.triggered.connect(lambda: self.onWinowdMode(3))
windowMenu.addAction(aWndCascade)
def initToolBar(self):
toolBar = self.addToolBar('ToolBar')
style = QApplication.style()
min_width = 64
btnFileNew = QToolButton(self)
btnFileNew.setText('新建文档')
btnFileNew.setMinimumWidth(min_width)
btnFileNew.setIcon(style.standardIcon(QStyle.SP_FileIcon))
btnFileNew.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
btnFileNew.clicked.connect(self.onFileNew)
toolBar.addWidget(btnFileNew)
btnFileOpen = QToolButton(self)
btnFileOpen.setText('打开文档')
btnFileOpen.setMinimumWidth(min_width)
btnFileOpen.setIcon(style.standardIcon(QStyle.SP_DialogOpenButton))
btnFileOpen.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
btnFileOpen.clicked.connect(self.onFileOpen)
toolBar.addWidget(btnFileOpen)
btnFileCloseAll = QToolButton(self)
btnFileCloseAll.setText('关闭全部')
btnFileCloseAll.setMinimumWidth(min_width)
btnFileCloseAll.setIcon(style.standardIcon(
QStyle.SP_DialogCloseButton))
btnFileCloseAll.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
btnFileCloseAll.clicked.connect(self.onFileCloseAll)
toolBar.addWidget(btnFileCloseAll)
toolBar.addSeparator()
btnEditCut = QToolButton(self)
btnEditCut.setText('剪切')
btnEditCut.setMinimumWidth(64)
btnEditCut.setIcon(QIcon(':/ico/cut.png'))
btnEditCut.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
btnEditCut.clicked.connect(self.onEditCut)
toolBar.addWidget(btnEditCut)
btnEditCopy = QToolButton(self)
btnEditCopy.setText('复制')
btnEditCopy.setMinimumWidth(64)
btnEditCopy.setIcon(QIcon(':/ico/copy.png'))
btnEditCopy.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
btnEditCopy.clicked.connect(self.onEditCopy)
toolBar.addWidget(btnEditCopy)
btnEditPaste = QToolButton(self)
btnEditPaste.setText('粘贴')
btnEditPaste.setMinimumWidth(64)
btnEditPaste.setIcon(QIcon(':/ico/paste.png'))
btnEditPaste.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
btnEditPaste.clicked.connect(self.onEditPaste)
toolBar.addWidget(btnEditPaste)
def msgCritical(self, strInfo):
dlg = QMessageBox(self)
dlg.setIcon(QMessageBox.Critical)
dlg.setText(strInfo)
dlg.show()
def onFileNew(self):
newDoc = QMdiSubWindow(self)
newDoc.setAttribute(Qt.WA_DeleteOnClose)
newDoc.setWindowTitle('新文档 ' + str(self.newDocIndex))
self.newDocIndex += 1
newDoc.setWidget(QPlainTextEdit(newDoc))
self.mdiArea.addSubWindow(newDoc)
newDoc.show()
def onFileOpen(self):
path, _ = QFileDialog.getOpenFileName(self, '打开文件', '',
'文本文件 (*.txt, *.prf)')
if path:
try:
with open(path, 'rU') as f:
text = f.read()
except Exception as e:
self.msgCritical(str(e))
else:
openDoc = QMdiSubWindow(self)
openDoc.setWindowTitle(path)
txtEdit = QPlainTextEdit(openDoc)
txtEdit.setPlainText(text)
openDoc.setWidget(txtEdit)
self.mdiArea.addSubWindow(openDoc)
openDoc.show()
def onFileCloseAll(self):
self.mdiArea.closeAllSubWindows()
def onEditCut(self):
txtEdit = self.mdiArea.activeSubWindow().widget()
txtEdit.cut()
def onEditCopy(self):
txtEdit = self.mdiArea.activeSubWindow().widget()
txtEdit.copy()
def onEditPaste(self):
txtEdit = self.mdiArea.activeSubWindow().widget()
txtEdit.paste()
def onWinowdMode(self, index):
if index == 3:
self.mdiArea.cascadeSubWindows()
elif index == 2:
self.mdiArea.tileSubWindows()
elif index == 1:
self.mdiArea.setViewMode(QMdiArea.TabbedView)
else:
self.mdiArea.setViewMode(QMdiArea.SubWindowView)
def timerCallback(self):
self.statusBar.showMessage(
f'Document Index = {self.newDocIndex}, subWind num ={len(self.mdiArea.subWindowList())}',
0)
class MainWindow(QMainWindow):
def __init__(self):
super(MainWindow, self).__init__()
self.mdiArea = QMdiArea()
self.mdiArea.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded)
self.mdiArea.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
self.mdiArea.setViewMode(QMdiArea.TabbedView)
self.mdiArea.setDocumentMode(True)
self.mdiArea.setTabsClosable(True)
self.mdiArea.setTabsMovable(True)
self.setCentralWidget(self.mdiArea)
self.mdiArea.subWindowActivated.connect(self.updateMenus)
self.windowMapper = QSignalMapper(self)
self.windowMapper.mapped[QWidget].connect(self.setActiveSubWindow)
self.createActions()
self.createMenus()
self.createToolBars()
self.createStatusBar()
self.updateMenus()
self.readSettings()
self.setWindowTitle("MDI")
def closeEvent(self, event):
self.mdiArea.closeAllSubWindows()
if self.mdiArea.currentSubWindow():
event.ignore()
else:
self.writeSettings()
event.accept()
def newFile(self):
child = self.createMdiChild()
child.newFile()
child.show()
def open(self):
fileName, _ = QFileDialog.getOpenFileName(self)
if fileName:
existing = self.findMdiChild(fileName)
if existing:
self.mdiArea.setActiveSubWindow(existing)
return
child = self.createMdiChild()
if child.loadFile(fileName):
self.statusBar().showMessage("File loaded", 2000)
child.show()
else:
child.close()
def save(self):
if self.activeMdiChild() and self.activeMdiChild().save():
self.statusBar().showMessage("File saved", 2000)
def saveAs(self):
if self.activeMdiChild() and self.activeMdiChild().saveAs():
self.statusBar().showMessage("File saved", 2000)
def cut(self):
if self.activeMdiChild():
self.activeMdiChild().cut()
def copy(self):
if self.activeMdiChild():
self.activeMdiChild().copy()
def paste(self):
if self.activeMdiChild():
self.activeMdiChild().paste()
def about(self):
QMessageBox.about(
self, "About MDI",
"The <b>MDI</b> example demonstrates how to write multiple "
"document interface applications using Qt.")
def updateMenus(self):
hasMdiChild = (self.activeMdiChild() is not None)
self.saveAct.setEnabled(hasMdiChild)
self.saveAsAct.setEnabled(hasMdiChild)
self.pasteAct.setEnabled(hasMdiChild)
self.closeAct.setEnabled(hasMdiChild)
self.closeAllAct.setEnabled(hasMdiChild)
self.tileAct.setEnabled(hasMdiChild)
self.cascadeAct.setEnabled(hasMdiChild)
self.nextAct.setEnabled(hasMdiChild)
self.previousAct.setEnabled(hasMdiChild)
self.separatorAct.setVisible(hasMdiChild)
hasSelection = (self.activeMdiChild() is not None
and self.activeMdiChild().textCursor().hasSelection())
self.cutAct.setEnabled(hasSelection)
self.copyAct.setEnabled(hasSelection)
def updateWindowMenu(self):
self.windowMenu.clear()
self.windowMenu.addAction(self.closeAct)
self.windowMenu.addAction(self.closeAllAct)
self.windowMenu.addSeparator()
self.windowMenu.addAction(self.tileAct)
self.windowMenu.addAction(self.cascadeAct)
self.windowMenu.addSeparator()
self.windowMenu.addAction(self.nextAct)
self.windowMenu.addAction(self.previousAct)
self.windowMenu.addAction(self.separatorAct)
windows = self.mdiArea.subWindowList()
self.separatorAct.setVisible(len(windows) != 0)
for i, window in enumerate(windows):
child = window.widget()
text = "%d %s" % (i + 1, child.userFriendlyCurrentFile())
if i < 9:
text = '&' + text
action = self.windowMenu.addAction(text)
action.setCheckable(True)
action.setChecked(child is self.activeMdiChild())
action.triggered.connect(self.windowMapper.map)
self.windowMapper.setMapping(action, window)
def createMdiChild(self):
child = MdiChild()
self.mdiArea.addSubWindow(child)
child.copyAvailable.connect(self.cutAct.setEnabled)
child.copyAvailable.connect(self.copyAct.setEnabled)
return child
def createActions(self):
self.newAct = QAction(QIcon(':/images/new.png'),
"&New",
self,
shortcut=QKeySequence.New,
statusTip="Create a new file",
triggered=self.newFile)
self.openAct = QAction(QIcon(':/images/open.png'),
"&Open...",
self,
shortcut=QKeySequence.Open,
statusTip="Open an existing file",
triggered=self.open)
self.saveAct = QAction(QIcon(':/images/save.png'),
"&Save",
self,
shortcut=QKeySequence.Save,
statusTip="Save the document to disk",
triggered=self.save)
self.saveAsAct = QAction(
"Save &As...",
self,
shortcut=QKeySequence.SaveAs,
statusTip="Save the document under a new name",
triggered=self.saveAs)
self.exitAct = QAction(
"E&xit",
self,
shortcut=QKeySequence.Quit,
statusTip="Exit the application",
triggered=QApplication.instance().closeAllWindows)
self.cutAct = QAction(
QIcon(':/images/cut.png'),
"Cu&t",
self,
shortcut=QKeySequence.Cut,
statusTip="Cut the current selection's contents to the clipboard",
triggered=self.cut)
self.copyAct = QAction(
QIcon(':/images/copy.png'),
"&Copy",
self,
shortcut=QKeySequence.Copy,
statusTip="Copy the current selection's contents to the clipboard",
triggered=self.copy)
self.pasteAct = QAction(
QIcon(':/images/paste.png'),
"&Paste",
self,
shortcut=QKeySequence.Paste,
statusTip=
"Paste the clipboard's contents into the current selection",
triggered=self.paste)
self.closeAct = QAction("Cl&ose",
self,
statusTip="Close the active window",
triggered=self.mdiArea.closeActiveSubWindow)
self.closeAllAct = QAction("Close &All",
self,
statusTip="Close all the windows",
triggered=self.mdiArea.closeAllSubWindows)
self.tileAct = QAction("&Tile",
self,
statusTip="Tile the windows",
triggered=self.mdiArea.tileSubWindows)
self.cascadeAct = QAction("&Cascade",
self,
statusTip="Cascade the windows",
triggered=self.mdiArea.cascadeSubWindows)
self.nextAct = QAction("Ne&xt",
self,
shortcut=QKeySequence.NextChild,
statusTip="Move the focus to the next window",
triggered=self.mdiArea.activateNextSubWindow)
self.previousAct = QAction(
"Pre&vious",
self,
shortcut=QKeySequence.PreviousChild,
statusTip="Move the focus to the previous window",
triggered=self.mdiArea.activatePreviousSubWindow)
self.separatorAct = QAction(self)
self.separatorAct.setSeparator(True)
self.aboutAct = QAction("&About",
self,
statusTip="Show the application's About box",
triggered=self.about)
self.aboutQtAct = QAction("About &Qt",
self,
statusTip="Show the Qt library's About box",
triggered=QApplication.instance().aboutQt)
def createMenus(self):
self.fileMenu = self.menuBar().addMenu("&File")
self.fileMenu.addAction(self.newAct)
self.fileMenu.addAction(self.openAct)
self.fileMenu.addAction(self.saveAct)
self.fileMenu.addAction(self.saveAsAct)
self.fileMenu.addSeparator()
action = self.fileMenu.addAction("Switch layout direction")
action.triggered.connect(self.switchLayoutDirection)
self.fileMenu.addAction(self.exitAct)
self.editMenu = self.menuBar().addMenu("&Edit")
self.editMenu.addAction(self.cutAct)
self.editMenu.addAction(self.copyAct)
self.editMenu.addAction(self.pasteAct)
self.windowMenu = self.menuBar().addMenu("&Window")
self.updateWindowMenu()
self.windowMenu.aboutToShow.connect(self.updateWindowMenu)
self.menuBar().addSeparator()
self.helpMenu = self.menuBar().addMenu("&Help")
self.helpMenu.addAction(self.aboutAct)
self.helpMenu.addAction(self.aboutQtAct)
def createToolBars(self):
self.fileToolBar = self.addToolBar("File")
self.fileToolBar.addAction(self.newAct)
self.fileToolBar.addAction(self.openAct)
self.fileToolBar.addAction(self.saveAct)
self.editToolBar = self.addToolBar("Edit")
self.editToolBar.addAction(self.cutAct)
self.editToolBar.addAction(self.copyAct)
self.editToolBar.addAction(self.pasteAct)
def createStatusBar(self):
self.statusBar().showMessage("Ready")
def readSettings(self):
settings = QSettings('Trolltech', 'MDI Example')
pos = settings.value('pos', QPoint(200, 200))
size = settings.value('size', QSize(400, 400))
self.move(pos)
self.resize(size)
def writeSettings(self):
settings = QSettings('Trolltech', 'MDI Example')
settings.setValue('pos', self.pos())
settings.setValue('size', self.size())
def activeMdiChild(self):
activeSubWindow = self.mdiArea.activeSubWindow()
if activeSubWindow:
return activeSubWindow.widget()
return None
def findMdiChild(self, fileName):
canonicalFilePath = QFileInfo(fileName).canonicalFilePath()
for window in self.mdiArea.subWindowList():
if window.widget().currentFile() == canonicalFilePath:
return window
return None
def switchLayoutDirection(self):
if self.layoutDirection() == Qt.LeftToRight:
QApplication.setLayoutDirection(Qt.RightToLeft)
else:
QApplication.setLayoutDirection(Qt.LeftToRight)
def setActiveSubWindow(self, window):
if window:
self.mdiArea.setActiveSubWindow(window)
