plchat/plchat.py

#PlChat is a pleroma chat client
#    Copyright (C) 2021  Knott Eye
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
import platform, keyring
os = platform.system()
if os == "Windows":
    import keyring.backends.Windows
    keyring.set_keyring(keyring.backends.Windows.WinVaultKeyring())
elif os == "Darwin":
    import keyring.backends.OS_X
    keyring.set_keyring(keyring.backends.OS_X.Keyring())
else:
    # Probably linux or BSD so we'll just go for it
    import keyring.backends.SecretService
    keyring.set_keyring(keyring.backends.SecretService.Keyring())


from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from notifypy import Notify
import sys, threading, queue, asyncio, urllib, appdirs, os, time, pleroma, re, magic, monkeypatch, requests, misc, json, timeconvert, videowidget, audiowidget
CACHE = appdirs.AppDirs('plchat', 'plchat').user_cache_dir
APPDATA = appdirs.AppDirs('plchat', 'plchat').user_data_dir
THREADS = {}
STATIC_PREF = ''
ICON_PATH = os.path.join(os.path.dirname(__file__), "fedi.svg")
ICON_PATH_COLOR = os.path.join(os.path.dirname(__file__), "fedi_color.svg")
NOTIF_SOUND = os.path.join(os.path.dirname(__file__), 'notif.wav')

class App(QMainWindow):
    settings = QSettings(APPDATA+"/settings.ini")
    _eventloop = asyncio.new_event_loop()
    accts = {}

    def __init__(self, processEvents):
        super().__init__()
        self.title = 'PlChat'
        self.processEvents = processEvents
        self.initUI()

    def initUI(self):
        self.setWindowTitle(self.title)
        if self.settings.value('colorIcon', type=bool):
            self.setWindowIcon(QIcon(QPixmap(ICON_PATH_COLOR)))
        else:
            self.setWindowIcon(QIcon(QPixmap(ICON_PATH)))
        self.setGeometry(self.settings.value('left', type=int) or 10, self.settings.value('top', type=int) or 10, self.settings.value('width', type=int) or 640, self.settings.value('height', type=int) or 480)

        self._exit = False
        self.totpReady = False
        self.Err = QErrorMessage()

        exitAction = QAction('&Exit', self)
        exitAction.setShortcut('Ctrl+Q')
        exitAction.setToolTip('Exit application')
        exitAction.triggered.connect(self.exitActionTrigger)

        newChatAction = QAction('New Chat', self, triggered=self.newChatDialog)
        newChatAction.setShortcut('Ctrl+N')
        newChatAction.setToolTip('Add a new chat')

        closeChatAction = QAction('Close Chat', self, triggered=self.closeTab)
        closeChatAction.setShortcut('Ctrl+W')
        closeChatAction.setToolTip('Close the current chat tab')

        newAcctAction = QAction('New Account', self, triggered=self.newAcctDialog)
        newAcctAction.setShortcut('Ctrl+Shift+N')
        newAcctAction.setToolTip('Add a new account')

        logoutAction = QAction('Logout', self, triggered=self.logout)
        logoutAction.setToolTip('Log out of the current account')

        reopenAction = QAction('Reopen All Chats', self, triggered=self.reopenAll)
        reopenAction.setToolTip('In case something breaks')

        contactAction = QAction('Contact', self, triggered=self.contactDialog)
        licenseAction = QAction('License', self, triggered=self.licenseDialog)

        self.closeToTrayAction = QAction('Close To System Tray', self, checkable=True)
        self.closeToTrayAction.setChecked(self.settings.value('closeToTray', type=bool))

        self.openInTrayAction = QAction('Open In System Tray', self, checkable=True)
        self.openInTrayAction.setChecked(self.settings.value('openInTray', type=bool))
        self.openInTrayAction.setToolTip('Does nothing if not also closing to tray.')

        self.animatePicturesAction = QAction('Display Animations', self, checkable=True)
        self.animatePicturesAction.setChecked(self.settings.value('animatePictures', type=bool))
        self.animatePicturesAction.changed.connect(updateAnimationPref)

        self.fetchBackgroundsAction = QAction("Fetch Backgrounds", self, checkable=True)
        self.fetchBackgroundsAction.setChecked(self.settings.value('fetchBackgrounds', type=bool))
        self.fetchBackgroundsAction.setToolTip("Most instances do not set this in a way that PlChat can check for. It will (probably) not work like you expect, but there is nothing I can do about it.")

        self.darkModeAction = QAction("Dark Mode", self, checkable=True)
        self.darkModeAction.setChecked(self.settings.value('darkMode', type=bool))
        self.darkModeAction.setToolTip("Only affects chat bubbles")

        self.colorIconAction = QAction("Use Color Icon", self, checkable=True, triggered=self.useColorIcon)
        self.colorIconAction.setChecked(self.settings.value('colorIcon', type=bool))

        self.sendNotificationsAction = QAction("Send Notifications", self, checkable=True)
        self.sendNotificationsAction.setChecked(self.settings.value('sendNotifications', type=bool))

        self.silenceNotifsAction = QAction("Silence Notifications", self, checkable=True, triggered=self.silenceNotifs)
        self.silenceNotifsAction.setChecked(self.settings.value('silenceNotifications', type=bool))

        self.fetchHeadersAction = QAction("Fetch Headers", self, checkable=True)
        self.fetchHeadersAction.setChecked(self.settings.value('fetchHeaders', type=bool))

        self.twoFourTimeAction = QAction("Display 24-Hour Time", self, checkable=True)
        self.twoFourTimeAction.setChecked(self.settings.value('twoFourTime', type=bool))

        self.acctComboBox = QComboBox(self)
        self.acctComboBox.currentIndexChanged.connect(self.acctSwitch)
        acctComboBoxAction = QWidgetAction(self)
        acctComboBoxAction.setDefaultWidget(self.acctComboBox)
        self.acctComboBox.show()

        menubar = self.menuBar()

        if self.closeToTrayAction.isChecked():
            systraymenu = QMenu()
        
            hideAction = QAction("Hide", self, triggered=self.hide)
            showAction = QAction("Show", self, triggered=self.show)

            systraymenu.addAction(showAction)
            systraymenu.addAction(hideAction)
            systraymenu.addAction(self.silenceNotifsAction)
            systraymenu.addAction(exitAction)

            self.trayIcon = QSystemTrayIcon()
            if self.settings.value('colorIcon', type=bool):
                self.trayIcon.setIcon(QIcon(ICON_PATH_COLOR))
            else:
                self.trayIcon.setIcon(QIcon(ICON_PATH))
            self.trayIcon.setVisible(True)
            self.trayIcon.setToolTip("PlChat")
            self.trayIcon.setContextMenu(systraymenu)
            self.trayIcon.activated.connect(self.systrayClicked)
        else:
            self.trayIcon = None
        
        filemenu = menubar.addMenu("File")
        filemenu.addAction(newChatAction)
        filemenu.addAction(closeChatAction)
        filemenu.addAction(newAcctAction)
        filemenu.addAction(exitAction)

        editmenu = menubar.addMenu("Edit")
        editmenu.addAction(reopenAction)
        editmenu.setToolTipsVisible(True)

        prefsmenu = editmenu.addMenu("Preferences")
        prefsmenu.addAction(self.closeToTrayAction)
        prefsmenu.addAction(self.openInTrayAction)
        prefsmenu.addAction(self.animatePicturesAction)
        prefsmenu.addAction(self.darkModeAction)
        prefsmenu.addAction(self.colorIconAction)
        prefsmenu.addAction(self.sendNotificationsAction)
        prefsmenu.addAction(self.silenceNotifsAction)
        prefsmenu.addAction(self.fetchBackgroundsAction)
        prefsmenu.addAction(self.fetchHeadersAction)
        prefsmenu.addAction(self.twoFourTimeAction)
        prefsmenu.setToolTipsVisible(True)

        accountmenu = menubar.addMenu('Accounts')
        accountmenu.addAction(acctComboBoxAction)
        accountmenu.addSeparator()
        accountmenu.addAction(logoutAction)

        aboutmenu = menubar.addMenu('About')
        aboutmenu.addAction(contactAction)
        aboutmenu.addAction(licenseAction)

        self.tabs = QTabWidget()
        self.tabs.setMovable(True)
        self.tabs.setTabsClosable(True)
        self.tabs.tabCloseRequested.connect(self.closeTab)
        self.tabs.currentChanged.connect(self.changeTab)
        self.setFocusProxy(self.tabs)

        self.setCentralWidget(self.tabs)

        if not self.openInTrayAction.isChecked() or not self.closeToTrayAction.isChecked():
            self.show()

        self.HeaderFont = QFont()
        self.HeaderFont.setPointSize(16)
        self.headerEmojiFontSize = QFontMetrics(self.HeaderFont).height()

        self.defaultFontMetrics = QFontMetrics(QFont())
        self.emojiFontSize = self.defaultFontMetrics.height()

        self.TimestampFont = QFont()
        self.TimestampFont.setPointSize(7)

        self.installEventFilter(self)

        asyncio.set_event_loop(self._eventloop)
        self._eventloop.call_soon(self.eventLoop)

        acctList = self.settings.value('acctList', type=list)
        if not acctList:
            self.newAcctDialog()
            return
        for ind in range(0,len(acctList)):
            CallThread(getAvi, None, acctList[ind]['instance'])
            try:
                self.initAcct(acctList[ind]['instance'], acctList[ind]['username'])
            except:
                print("account info corrupted, deleting")
                del acctList[ind]
        if acctList:
            self.settings.setValue('acctList', acctList)

    def systrayClicked(self, reason):
        if reason == QSystemTrayIcon.Trigger:
            if self.isVisible():
                self.hide()
            else:
                self.show()

    def silenceNotifs(self, dothing):
        if dothing:
            # Definitely not supposed to be poking around in the internals like this lul
            Notification._notification_audio = None
        else:
            Notification.audio = NOTIF_SOUND
    
    def useColorIcon(self, dothing):
        if dothing:
            self.setWindowIcon(QIcon(QPixmap(ICON_PATH_COLOR)))
            if self.trayIcon:
                self.trayIcon.setIcon(QIcon(ICON_PATH_COLOR))
        else:
            self.setWindowIcon(QIcon(QPixmap(ICON_PATH)))
            if self.trayIcon:
                self.trayIcon.setIcon(QIcon(ICON_PATH))

    def eventLoop(self):
        # Custom event loop to process queue events
        self.processEvents()
        self._eventloop.call_soon(self.eventLoop)
        monkeypatch.sleep(0.01)

    def exitActionTrigger(self):
        self._exit = True
        self.close()

    def closeEvent(self, event):
        if not self._exit and self.closeToTrayAction.isChecked():
            self.hide()
            return
        self.settings.setValue("left", self.x())
        self.settings.setValue("top", self.y())
        self.settings.setValue("width", self.width())
        self.settings.setValue("height", self.height())
        self.settings.setValue("closeToTray", self.closeToTrayAction.isChecked())
        self.settings.setValue("openInTray", self.openInTrayAction.isChecked())
        self.settings.setValue("animatePictures", self.animatePicturesAction.isChecked())
        self.settings.setValue("darkMode", self.darkModeAction.isChecked())
        self.settings.setValue("fetchBackgrounds", self.fetchBackgroundsAction.isChecked())
        self.settings.setValue("sendNotifications", self.sendNotificationsAction.isChecked())
        self.settings.setValue("fetchHeaders", self.fetchHeadersAction.isChecked())
        self.settings.setValue("twoFourTime", self.twoFourTimeAction.isChecked())
        self.settings.setValue('colorIcon', self.colorIconAction.isChecked())
        self.settings.setValue('silenceNotifications', self.silenceNotifsAction.isChecked())
        event.accept()
        self._eventloop.stop()

    def getCurrentAcc(self):
        if self.acctComboBox.currentIndex() == -1 or not self.accts:
            return (False, False)
        # Returns username, instance
        return self.acctComboBox.currentText().split('@')[1], self.acctComboBox.currentText().split('@')[2]

    def badLogin(self, name):
        self.Err.showMessage("Bad login info for: "+name)
        self.newAcctDialog()

    def newAcctDialog(self):
        dialog = LoginDialog(self)
        dialog.getInput(self.initAcct)

    def newChatDialog(self):
        u, i = self.getCurrentAcc()
        text, ok = QInputDialog.getText(self, 'Start A New Chat', "Username:", QLineEdit.Normal, "")
        if ok:
            if len(text) < 1:
                self.Err.showMessage("No text provided")
            else:
                if text[0] == '@':
                    text = text[1:]
                if text.find('@'+i) != -1:
                    text = text.replace('@'+i, '')
                CallThread(self.accts[u+i].getAcctInfo, self.newChatReady, text).start()
    
    def newChatReady(self, result):
        if result is None:
            self.Err.showMessage("I couldn't find that user!")
        elif not result['pleroma']['accepts_chat_messages']:
            self.Err.showMessage("This user is on instance that does not support pleroma chats.\nIt may be too old, or it may not be pleroma.")
        else:
            u, i = self.getCurrentAcc()
            closedList = self.settings.value('closed'+u+i, type=list) or []
            for ind in range(0,(len(closedList))):
                if closedList[ind] == result['acct']:
                    del closedList[ind]
                    break
            self.settings.setValue('closed'+u+i, closedList)
            CallThread(self.accts[u+i].addChat, self.populateChats, result['id']).start()

    def getTotp(self, acct, challenge_type):
        if type(challenge_type) != list:
            challenge_type = [challenge_type, 'recovery']
        self._eventloop.call_soon_threadsafe(self.makeTotpCard, '@'+acct.username+'@'+acct.instance, challenge_type)
        while not self.totpReady:
            monkeypatch.sleep(0.2)
        t = self.totpReady
        self.totpReady = None
        return t

    def makeTotpCard(self, acct, challenge_type):
        dialog = TotpCard(acct, challenge_type)
        dialog.getInput()

    def contactDialog(self):
        dialog = ContactCard(self)
        dialog.show()
    
    def licenseDialog(self):
        dialog = LicenseCard(self)
        dialog.show()

    def reopenAll(self):
        u, i = self.getCurrentAcc()
        if not u or not i:
            return
        self.settings.setValue('closed'+u+i, [])
        CallThread(self.accts[u+i].listChats, self.populateChats).start()

    def initAcct(self, instance, username, password=None):
        if password:
            acct = pleroma.Account(instance, username, password, totpFunc=self.getTotp)
        else:
            token = keyring.get_password('plchat', instance+username+'access_token')
            refresh_token = keyring.get_password('plchat', instance+username+'refresh_token')
            clientID = keyring.get_password('plchat', instance+username+'clientID')
            clientSecret = keyring.get_password('plchat', instance+username+'clientSecret')
            acct = pleroma.Account(instance, username,
                token=token,
                refresh_token=refresh_token,
                clientID=clientID,
                clientSecret=clientSecret,
                totpFunc=self.getTotp
            )
        RegisterThread(acct, self.doneRegister).start()

    def doneRegister(self, acct):
        self.accts[acct.username+acct.instance] = acct
        self.acctComboBox.addItem('@'+acct.username+'@'+acct.instance)
        acctList = self.settings.value('acctList', type=list) or []
        concat = True
        for acc in acctList:
            if acc['username'] == acct.username and acc['instance'] == acct.instance:
                concat = False
        if concat:
            acctList.append({"username": acct.username, "instance": acct.instance})
        self.settings.setValue('acctList', acctList)

        keyring.set_password('plchat', acct.instance+acct.username+'access_token', acct.token)
        keyring.set_password('plchat', acct.instance+acct.username+'refresh_token', acct.refresh_token)
        keyring.set_password('plchat', acct.instance+acct.username+'clientID', acct.clientID)
        keyring.set_password('plchat', acct.instance+acct.username+'clientSecret', acct.clientSecret)

        CallThread(getAvi, None, acct.instance).start()
        CallThread(acct.getInstanceInfo, None).start()

    def logout(self):
        u, i = self.getCurrentAcc()
        if not u or not i:
            print("Couldn't log out")
            return
        self.acctComboBox.removeItem(self.acctComboBox.currentIndex())
        del self.accts[u+i]
        acctList = self.settings.value('acctList', type=list)
        for j in range(len(acctList)):
            if acctList[j]['username'] == u and acctList[j]['instance'] == i:
                keyring.delete_password("plchat", i+u+'access_token')
                keyring.delete_password("plchat", i+u+'refresh_token')
                keyring.delete_password("plchat", i+u+'clientID')
                keyring.delete_password("plchat", i+u+'clientSecret')
                del acctList[j]
        self.settings.setValue('acctList', acctList)

    def acctSwitch(self):
        u, i = self.getCurrentAcc()
        if u+i in self.accts and 'title' in self.accts[u+i].getInstanceInfo():
            self.setWindowTitle(self.accts[u+i].getInstanceInfo()['title']+' Chat')
        else:
            self.setWindowTitle('PlChat')
        self.tabs.clear()
        if u and i:
            CallThread(self.accts[u+i].listChats, self.populateChats).start()
        
    def populateChats(self, chatList):
        if type(chatList) == dict:
            chatList = [chatList]
        u, i = self.getCurrentAcc()
        if not u or not i:
            return
        closedList = self.settings.value('closed'+u+i, type=list) or []
        for chat in chatList:
            c = False
            for ind in range(0, self.tabs.count()):
                if self.tabs.widget(ind).acct == chat['account']['acct']:
                    c = True
            for entry in closedList:
                if chat['account']['acct'] == entry:
                    c = True
            if c:
                continue
            ctab = ChatArea(chat, self.tabs)
            self.tabs.addTab(ctab, chat['account']['display_name'])

    def closeTab(self, index=None):
        if not index:
            index = self.tabs.currentIndex()
        act = self.tabs.widget(index).acct
        u, i = self.getCurrentAcc()
        closedList = self.settings.value('closed'+u+i, type=list) or []
        f = True
        for entry in closedList:
            if entry == act:
                f = False
        if f:
            closedList.append(act)
        self.settings.setValue('closed'+u+i, closedList)
        self.tabs.removeTab(index)

    def handlePleromaEvent(self, acct, event):
        if event['event'] == 'pleroma:chat_update':
            payload = json.loads(event['payload'])
            tmp = 0
            for ind in range(0, self.tabs.count()):
                if self.tabs.widget(ind).acct == payload['account']['acct']:
                    self._eventloop.call_soon_threadsafe(self.tabs.widget(ind).addMessage, payload['last_message'])
                    tmp = ind
                    #self.tabs.widget(ind).addMessage(payload['last_message'])
            if payload['last_message']['account_id'] != acct.flakeid and (not self.hasFocus() or payload['account']['acct'] != self.tabs.widget(self.tabs.currentIndex()).acct):
                if self.sendNotificationsAction.isChecked():
                    CallThread(self.makeNotification, None, payload['last_message']['content'], payload['account']['acct'], payload['account']['avatar_static']).start()
                app.alert(self, 0)
                self._eventloop.call_soon_threadsafe(self.setUrgent, tmp)

    def makeNotification(self, content, user, url):
        path = getPic(url)
        sendNotification(content, title=user, icon=path)

    def setUrgent(self, ind):
        icon = QIcon()
        icon.addPixmap(QPixmap(os.path.join(os.path.dirname(__file__), "unread.svg")))
        self.tabs.setTabIcon(ind, icon)
        self.tabs.widget(ind).unread = True
        if self.trayIcon:
            self.trayIcon.setIcon(icon)
        self.setWindowIcon(icon)

    def changeTab(self, ind):
        if not self.tabs.widget(ind):
            return
        if self.tabs.widget(ind).unread:
            CallThread(getPic, self.tabs.widget(ind).useAvi, self.tabs.widget(ind).avaURL).start()
            self.tabs.widget(ind).unread = False
        flip = True
        for A in range(0, self.tabs.count()):
            if self.tabs.widget(A).unread:
                flip = False
        if flip:
            if self.trayIcon:
                if self.settings.value('colorIcon', type=bool):
                    self.trayIcon.setIcon(QIcon(ICON_PATH_COLOR))
                else:
                    self.trayIcon.setIcon(QIcon(ICON_PATH))
            if self.settings.value('colorIcon', type=bool):
                self.setWindowIcon(QIcon(QPixmap(ICON_PATH_COLOR)))
            else:
                self.setWindowIcon(QIcon(QPixmap(ICON_PATH)))
        self.tabs.widget(ind).markRead()
        self.tabs.widget(ind).setFocus(Qt.NoFocusReason)


    def eventFilter(self, object, event):
        if event.type() == QEvent.WindowActivate:
            self.windowActivate()
        return False

    def windowActivate(self):
        ind = self.tabs.currentIndex()
        if not self.tabs.widget(ind):
            return
        if self.tabs.widget(ind).unread:
            CallThread(getPic, self.tabs.widget(ind).useAvi, self.tabs.widget(ind).avaURL).start()
            self.tabs.widget(ind).unread = False
        flip = True
        for A in range(0, self.tabs.count()):
            if self.tabs.widget(A).unread:
                flip = False
        if flip:
            if self.trayIcon:
                if self.settings.value('colorIcon', type=bool):
                    self.trayIcon.setIcon(QIcon(ICON_PATH_COLOR))
                else:
                    self.trayIcon.setIcon(QIcon(ICON_PATH))
            if self.settings.value('colorIcon', type=bool):
                self.setWindowIcon(QIcon(QPixmap(ICON_PATH_COLOR)))
            else:
                self.setWindowIcon(QIcon(QPixmap(ICON_PATH)))
        self.tabs.widget(ind).markRead()
        self.tabs.widget(ind).setFocus(Qt.NoFocusReason)

class BGWidget(QWidget):
    def __init__(self, path=None):
        super().__init__()
        self.path=path
        self.pixmap = QPixmap()
    
    def setPath(self, path):
        self.path = path

    def paintEvent(self, event):
        super().paintEvent(event)
        if self.pixmap.isNull() and self.path:
            self.pixmap = QPixmap(self.path)
        painter = QPainter(self)
        if not self.pixmap.isNull():
            self.pixmap = self.pixmap.scaled(self.width(), self.height(), Qt.KeepAspectRatioByExpanding, Qt.SmoothTransformation)
        painter.drawPixmap(0,0, self.pixmap)

class ChatArea(QWidget):
    def __init__(self, chat, parent=None):
        super().__init__(parent=parent)
        self.acct = chat['account']['acct']
        self.parent = parent
        self.chatID = chat['id']
        self.account = chat['account']
        self.unread = False
        if ex.animatePicturesAction.isChecked():
            avatar_prop = 'avatar'
            header_prop = 'header'
        else:
            avatar_prop = 'avatar_static'
            header_prop = 'header_static'
        self.avaURL = chat['account'][avatar_prop]
        CallThread(getPic, self.useAvi, self.avaURL).start()
        if ex.fetchHeadersAction.isChecked():
            CallThread(getPic, self.headerReady, chat['account'][header_prop]).start()

        self.wrapper = BGWidget()
        wrapperlayout = QHBoxLayout()
        wrapperlayout.setContentsMargins(0,0,0,0)
        wrapperlayout.setSpacing(0)
        self.wrapper.setLayout(wrapperlayout)

        self.header = QFrame()
        headerlayout = QHBoxLayout()
        headernest = QVBoxLayout()
        headernestwidget = QWidget()
        headernestwidget.setContentsMargins(0,0,0,0)
        self.header.setContentsMargins(0,0,0,0)

        wrapperlayout.addWidget(self.header)

        self.header.setLayout(headerlayout)
        headernestwidget.setLayout(headernest)

        uDN = EmojiText(chat['account']['display_name'], chat['account']['emojis'], header=True)
        if self.acct.find('@') == -1:
            uACT = LinkLabel(chat['account']['url'], '@'+self.acct+'@'+ex.getCurrentAcc()[1])
        else:
            uACT = LinkLabel(chat['account']['url'], '@'+self.acct)
        uACT.setMargin(0)
        #uACT.setStyleSheet("color: white;")
        headernest.addWidget(uDN)
        headernest.addWidget(uACT)

        self.avatar = QLabel()
        self.avatar.setMargin(0)
        self.avatar.setFixedHeight(round(QDesktopWidget().screenGeometry(-1).height() * 0.06))

        headerlayout.addWidget(self.avatar)
        headerlayout.addWidget(headernestwidget, 100)

        self.messageArea = MessageArea(self.chatID, self.account, self.callMe)
        self.msgs = MovingScroll(self.messageArea)

        if ex.fetchBackgroundsAction.isChecked():
            if self.acct.find('@') == -1:
                remoteURL = ex.getCurrentAcc()[1]
            else:
                remoteURL = self.acct.split('@')[1]
            self.msgs.remoteURL = remoteURL
            CallThread(requests.get, self.msgs.parseNodeInfo, 'https://'+remoteURL+'/api/v1/instance').start()
            del remoteURL

        self.msgs.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.msgs.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn)
        self.msgs.setWidgetResizable(True)
        self.messageArea.setFixedWidth(self.msgs.getChildWidth())
        self.messageArea.update()

        send = SendArea(self.chatID)

        layout = QVBoxLayout()
        layout.addWidget(self.wrapper, 2)
        layout.addWidget(self.msgs, 35)
        layout.addWidget(send, 1)

        self.setFocusProxy(send.getTextbox())
        self.setLayout(layout)

    def callMe(self):
        self.msgs.setWidget(self.messageArea)

    def markRead(self):
        self.messageArea.markRead()

    def headerReady(self, path):
        self.wrapper.setPath(path)

    def addMessage(self, message):
        self.messageArea.messages.insert(0, message)
        self.messageArea._update(self.messageArea.messages)

    def useAvi(self, path):
        pic = QPixmap(path)
        ava = QPixmap(path)
        if pic.isNull():
            pic = QPixmap(APPDATA+'/'+ex.getCurrentAcc()[1]+'avi.png')
            ava = QPixmap(APPDATA+'/'+ex.getCurrentAcc()[1]+'avi.png')
        
        icon = QIcon()
        icon.addPixmap(pic)
        self.parent.setTabIcon(self.parent.indexOf(self), icon)
        
        ava = ava.scaledToHeight(round(QDesktopWidget().screenGeometry(-1).height() * 0.06), mode=Qt.SmoothTransformation)
        self.avatar.resize(ava.width(), ava.height())
        self.avatar.setPixmap(ava)
        self.avatar.setFixedWidth(self.avatar.width())

    def paintEvent(self, event):
        super().paintEvent(event)
        if not self.wrapper.pixmap.isNull():
            self.header.setStyleSheet(".QFrame{background-color: rgba(0, 0, 0, 0.3);} QFrame{color: white;}")
            self.paintEvent = super().paintEvent


class MovingScroll(QScrollArea):
    def __init__(self, child, path=None):
        super().__init__()
        self.child = child
        self.remoteURL = ''
        self.verticalScrollBar().rangeChanged.connect(self.scrollToBottom)
        self.verticalScrollBar().valueChanged.connect(self.handleValue)

    def resizeEvent(self, event):
        self.child.setFixedWidth(self.getChildWidth())

    def scrollToBottom(self):
        self.verticalScrollBar().triggerAction(QAbstractSlider.SliderToMaximum)

    def getChildWidth(self):
        return self.width()-self.verticalScrollBar().width()-5

    def handleValue(self, pos):
        if pos < (self.verticalScrollBar().maximum() / 10):
            self.child.addPage()

    def parseNodeInfo(self, response):
        try:
            CallThread(getPic, self.child.setPath, 'https://'+self.remoteURL+response.json()['background_image']).start()
        except:
            print("Couldn't download background image for: "+remoteURL)

class MessageArea(QWidget):
    def __init__(self, chatID, account, callback):
        super().__init__()
        self.chatID = chatID
        self.account = account
        self.callback = callback
        self.path = None
        self.pixmap = QPixmap()
        self.layout = QVBoxLayout()
        self.layout.setContentsMargins(10, 0,-5,0)
        self.last_read_id = None
        self.messages = []
        self.page = 0
        self.fetchingPage = False

    def update(self):
        u, i = ex.getCurrentAcc()
        CallThread(ex.accts[u+i].getMessages, self._update, self.chatID).start()

    def markRead(self):
        u, i = ex.getCurrentAcc()
        if not self.last_read_id or not u or not i:
            return
        acc = ex.accts[u+i]
        acc.markChatRead(self.chatID, self.last_read_id)

    def addPage(self):
        if self.fetchingPage:
            return
        self.fetchingPage = True
        u, i = ex.getCurrentAcc()
        self.page += 1
        CallThread(ex.accts[u+i].getMessages, self.pageReady, self.chatID, past=self.messages[len(self.messages)-1]['id']).start()

    def pageReady(self, messages):
        for message in messages:
            self.messages.append(message)
        self._update(self.messages)

    def _update(self, messages):
        self.messages = messages
        for message in messages:
            if message['account_id'] == self.account['id']:
                self.last_read_id = message['id']
        for i in reversed(range(self.layout.count())): 
            self.layout.itemAt(i).widget().setParent(None)
        for message in reversed(messages):
            #for line in re.split(newlineRegex, message['content']):
            #    if line.strip() == '':
            #        continue
            self.layout.addWidget(SingleMessage(message, self.account, self), 0, Qt.AlignBottom)
        self.setLayout(self.layout)
        self.callback()
        if self.fetchingPage:
            self.fetchingPage = False

    def getMessages(self):
        return self.messages or []
    
    def setPath(self, path):
        self.path = path

    def paintEvent(self, event):
        super().paintEvent(event)
        if self.pixmap.isNull() and self.path:
            self.pixmap = QPixmap(self.path)
        painter = QPainter(self)
        if not self.pixmap.isNull():
            self.pixmap = self.pixmap.scaled(self.width(), self.height(), Qt.KeepAspectRatioByExpanding, Qt.SmoothTransformation)
        painter.drawPixmap(0,0, self.pixmap)

newlineRegex = re.compile('<\/?br\/?>|\n')

class SingleMessage(QWidget):
    def __init__(self, message, account, parent):
        super().__init__(parent=parent)
        self.parent = parent
        self.message = message
        self.account = account
        self.layout = QHBoxLayout()
        self.layout.setContentsMargins(0,0,0,0)
        self.layout.setSpacing(0)
        self.setStyleSheet("MessageAvatar{margin: 0em 0.2em 0em 0.2em;border: 1px solid black;}")

        if ex.animatePicturesAction.isChecked():
            avatar_prop = 'avatar'
            header_prop = 'header'
        else:
            avatar_prop = 'avatar_static'
            header_prop = 'header_static'
        self.avaURL = self.account[avatar_prop]

        u,i = ex.getCurrentAcc()
        self.userPixmap = None
        self.convoPixmap = None
        CallThread(getPic, self.setUserPixmap, ex.accts[u+i].acct[avatar_prop]).start()
        CallThread(getPic, self.setConvoPixmap, self.avaURL).start()

        if self.message['account_id'] == self.account['id']:
            self.layout.addWidget(MessageAvatar('convo', self), 0, (Qt.AlignLeft | Qt.AlignTop))
            self.layout.addWidget(InternalMessage(self.message, self.account, self), 1, Qt.AlignLeft)
            #spacer = QWidget()
            #spacer.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.MinimumExpanding)
            #self.layout.addWidget(spacer, 9000)
        else:
            #spacer = QWidget()
            #spacer.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.MinimumExpanding)
            #self.layout.addWidget(spacer, 9000)
            self.layout.addWidget(InternalMessage(self.message, self.account, self), 1, Qt.AlignRight)
            self.layout.addWidget(MessageAvatar('user', self), 0, (Qt.AlignRight | Qt.AlignTop))

        self.setLayout(self.layout)

    def setUserPixmap(self, path):
        p = QPixmap(path)
        if p.isNull():
            p = QPixmap(APPDATA+'/'+ex.getCurrentAcc()[1]+'avi.png')
        p = p.scaledToHeight(round(QDesktopWidget().screenGeometry(-1).height() / 21.6), mode=Qt.SmoothTransformation)
        self.userPixmap = p
    def setConvoPixmap(self, path):
        p = QPixmap(path)
        if p.isNull():
            p = QPixmap(APPDATA+'/'+ex.getCurrentAcc()[1]+'avi.png')
        p = p.scaledToHeight(round(QDesktopWidget().screenGeometry(-1).height() / 21.6), mode=Qt.SmoothTransformation)
        self.convoPixmap = p

class MessageAvatar(QLabel):
    def __init__(self, futurepixmap, parent):
        super().__init__(parent=parent)
        self.parent = parent
        self.pixmap = QPixmap()
        self.setMargin(0)
        self.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
        CallThread(self.awaitPixmap, None, futurepixmap).start()
        #self.setPixmap(self.pixmap)

    def setPath(self, path):
        #if not self.pixmap.isNull():
        #    return
        #self.pixmap = QPixmap(path)
        #if self.pixmap.isNull():
        #    self.pixmap = QPixmap(APPDATA+'/'+ex.getCurrentAcc()[1]+'avi.png')
        #self.pixmap = self.pixmap.scaledToHeight(50, mode=Qt.SmoothTransformation)
        self.pixmap = path
        self.resize(self.pixmap.width(), self.pixmap.height())
        self.setPixmap(self.pixmap)
        self.setFixedWidth(self.pixmap.width())
    
    def awaitPixmap(self, p):
        if p == 'user':
            while not self.parent.userPixmap:
                monkeypatch.sleep(0.2)
            self.resize(self.parent.userPixmap.width(), self.parent.userPixmap.height())
            self.setPixmap(self.parent.userPixmap)
            self.setFixedWidth(self.parent.userPixmap.width())
        else:
            while not self.parent.convoPixmap:
                monkeypatch.sleep(0.2)
            self.resize(self.parent.convoPixmap.width(), self.parent.convoPixmap.height())
            self.setPixmap(self.parent.convoPixmap)
            self.setFixedWidth(self.parent.convoPixmap.width())

class InternalMessage(QFrame):
    def __init__(self, message, account, parent):
        super().__init__(parent=parent)
        self.parent = parent
        self.message = message
        self.account = account
        self.layout = QHBoxLayout()
        self.layout.setContentsMargins(0,0,0,0)
        self.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.MinimumExpanding)
        self.attachment = None
        if ex.darkModeAction.isChecked():
            color_text="#ffffff"
            color_bg = "#000000"
        else:
            color_text="#000000"
            color_bg = "#ffffff"

        self.setStyleSheet("InternalMessage{background-color: "+color_bg+";border-radius: 1em;padding: 0.5em;border: 1px solid "+color_text+";} QWidget{color:"+color_text+";}")

        if self.message['content']:
            self.label = EmojiText(self.message['content'], self.message['emojis'])
            self.label.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.MinimumExpanding)
        else:
            self.label = None

        self.timestamp = QLabel(timeconvert.utc_to_local(self.message['created_at'], ex.twoFourTimeAction.isChecked()))
        self.timestamp.setFont(ex.TimestampFont)
        self.timestamp.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)

        if self.label:
            self.layout.addWidget(self.label)
        if not self.message['attachment']:
            self.layout.addWidget(self.timestamp, 1, (Qt.AlignRight | Qt.AlignBottom))
        else:
            CallThread(self.getMime, self.addAttachment, self.message['attachment']['url']).start()

        #self.setMinimumSize(QSize(50, computedHeight))
        self.setLayout(self.layout)

    def getMime(self, url):
        with urllib.request.urlopen(url) as res:
            # pleroma sux balls at mime types
            mime = magic.from_buffer(res.read(2048), mime=True)
            return mime

    def addAttachment(self, mime):
        self.attachment = MediaAttachment(self.message['attachment'], mime)
        self.layout.addWidget(self.attachment)
        self.layout.addWidget(self.timestamp, 1, (Qt.AlignRight | Qt.AlignBottom))

    def sizeHint(self):
        multiplier = 2
        additive = 0
        if self.label:
            multiplier += self.label.layoutfinal.count()
        if self.attachment:
            additive += self.attachment.getMedia().height()
        computedHeight = (ex.defaultFontMetrics.height() * multiplier) + additive

        computedWidth = 50
        if self.attachment:
            if self.attachment.getMedia().width() > computedWidth:
                computedWidth = self.attachment.getMedia().width()
        return QSize(computedWidth, computedHeight)

def MediaAttachment(media, mime):
    if mime.find("image/") != -1:
        return ImageAttachment(media)
    elif mime.find("video/") != -1:
        return VideoAttachment(media)
    elif mime.find("audio/") != -1:
        return AudioAttachmentWrapper(media)
    else:
        return FileAttachment(media)

class FileAttachment(QPushButton):
    def __init__(self, media):
        super(FileAttachment, self).__init__()
        self.url = QUrl(media['url'])
        self.setCursor(Qt.PointingHandCursor)
        self.setIcon(self.style().standardIcon(QStyle.SP_FileLinkIcon))
        self.setFlat(True)

    def mouseReleaseEvent(self, event):
        if event.modifiers() == Qt.NoModifier and event.button() == Qt.LeftButton:
            QDesktopServices.openUrl(self.url)

    def getMedia(self):
        return self

class AudioAttachmentWrapper(QWidget):
    def __init__(self, media):
        super(AudioAttachmentWrapper, self).__init__()
        layout = QHBoxLayout()
        self.file = FileAttachment(media)
        self.audio = AudioAttachment(media)
        layout.addWidget(self.file)
        layout.addWidget(self.audio)
        self.setLayout(layout)
    
    def getMedia(self):
        return QSize(self.file.getMedia().width()+self.audio.getMedia().width(), self.file.getMedia().height()+self.audio.getMedia().height())

class AudioAttachment(audiowidget.AudioPlayer):
    def __init__(self, media):
        super(AudioAttachment, self).__init__()
        #CallThread(self.openFile, None, media['url']).start()
        self.openFile(media['url'])

    def getMedia(self):
        return super().sizeHint()

class LinkLabel(QLabel):
    def __init__(self, url, *args, **kwargs):
        super(LinkLabel, self).__init__(*args, **kwargs)
        self.url = QUrl(url)
        self.setCursor(Qt.PointingHandCursor)
    def mouseReleaseEvent(self, event):
        bttn = event.button()
        modif = event.modifiers()
        if modif == Qt.NoModifier and bttn == Qt.LeftButton:
            QDesktopServices.openUrl(self.url)

class VideoAttachment(videowidget.VideoPlayer):
    def __init__(self, media, *args, **kwargs):
        super().__init__(media['url'], *args, **kwargs)
        #CallThread(self.openFile, None, media['url']).start()
        self.openFile(media['url'])

    def getMedia(self):
        return QSize(self.width(), self.videoWidget.height()+50)

class ImageAttachment(LinkLabel):
    def __init__(self, media):
        super().__init__(media['remote_url'])
        self.pixmap = QPixmap()
        CallThread(getPic, self.setPath, media['url']).start()

    def setPath(self, path):
        self.pixmap = QPixmap(path)
        if round(ex.width() * 0.7) < self.pixmap.width():
            self.pixmap = self.pixmap.scaledToWidth(round(ex.width() * 0.7), mode=Qt.SmoothTransformation)
        self.resize(self.pixmap.width(), self.pixmap.height())
        self.setPixmap(self.pixmap)
        #self.setFixedHeight(self.height())
        self.url = QUrl(path)

    def getMedia(self):
        return self.pixmap

class SendArea(QWidget):
    def __init__(self, chatID):
        super().__init__()
        self.layout = QHBoxLayout()
        self.lastFile = None
        self.mediaPreview = None
        self.mediaID = None
        self.Err = QErrorMessage()
        self.chatID = chatID

        self.textbox = TextBox()

        self.mediaStack = QStackedWidget()

        self.attachButton = QPushButton(self.style().standardIcon(QStyle.SP_FileDialogStart), 'Attach File')
        self.attachButton.clicked.connect(self.newFileDialog)
        self.attachButton.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.MinimumExpanding)

        sendButton = QPushButton(QIcon(QPixmap(os.path.join(os.path.dirname(__file__), "send.svg"))), '')
        sendButton.clicked.connect(self.sendMessage)
        sendButton.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.MinimumExpanding)

        self.mediaStack.addWidget(self.attachButton)
        self.mediaStack.setCurrentWidget(self.attachButton)

        self.layout.addWidget(self.textbox, 8)
        self.layout.addWidget(self.mediaStack, 1)
        self.layout.addWidget(sendButton, 1)
        self.setFocusProxy(self.textbox)
        self.setLayout(self.layout)
        self.textbox.setSendFunction(self.sendMessage)

    def getTextbox(self):
        return self.textbox

    def newFileDialog(self):
        if self.mediaPreview == 'uploading':
            self.Err.showMessage("Already uploading a file!")
            return
        qfd = QFileDialog(self)
        qfd.setFileMode(QFileDialog.ExistingFile)
        qfd.setNameFilters(["All Files (*)"])
        qfd.filesSelected.connect(self.attachFile)
        qfd.show()

    def attachFile(self, paths):
        if paths[0] == self.lastFile:
            return
        elif self.mediaPreview:
            self.Err.showMessage("File already attached!")
            return
        u, i = ex.getCurrentAcc()
        CallThread(ex.accts[u+i].uploadMedia, self.doneAttachFile, paths[0]).start()
        self.mediaPreview = 'uploading'
        self.lastFile = paths[0]

    def doneAttachFile(self, media):
        if not 'id' in media:
            self.Err.showMessage('Error uploading file')
            self.detachFile()
            return
        self.mediaID =  media['id']
        self.mediaPreview = QPushButton(ex.style().standardIcon(QStyle.SP_FileIcon), '')
        self.mediaPreview.clicked.connect(self.detachDialog)
        self.mediaPreview.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.MinimumExpanding)
        self.mediaStack.addWidget(self.mediaPreview)
        self.mediaStack.setCurrentWidget(self.mediaPreview)

    def detachDialog(self):
        dialog = DetachDialog()
        dialog.accepted.connect(self.detachFile)
        dialog.getInput()

    def detachFile(self):
        if self.mediaPreview and type(self.mediaPreview) != str:
            self.mediaStack.removeWidget(self.mediaPreview)
        self.mediaStack.setCurrentWidget(self.attachButton)
        self.mediaPreview = None
        self.lastFile = None
        self.mediaID = None

    def sendMessage(self):
        u, i = ex.getCurrentAcc()
        acc = ex.accts[u+i]
        if self.textbox.toPlainText() == '':
            text = None
        else:
            text = self.textbox.toPlainText()
        CallThread(acc.sendMessage, None, self.chatID, content=text, media=self.mediaID).start()
        self.textbox.setText('')
        if self.mediaPreview:
            self.detachFile()
        self.textbox.setFocus(Qt.NoFocusReason)

class TextBox(QTextEdit):
    def __init__(self, sendFunction=None):
        super().__init__()
        self.sendFunction = sendFunction or self.noop

    def keyPressEvent(self, event):
        if not event.matches(QKeySequence.InsertParagraphSeparator):
            super().keyPressEvent(event)
        else:
            self.sendFunction()

    def setSendFunction(self, sendFunction):
        self.sendFunction = sendFunction
    
    def noop(self):
        return

class DetachDialog(QDialog):
    def __init__(self, parent=None):
        super().__init__(parent=parent)
        self.setWindowTitle("Detach Dialog")

        QBtn = QDialogButtonBox.Ok | QDialogButtonBox.Cancel

        self.buttonBox = QDialogButtonBox(QBtn)
        self.buttonBox.accepted.connect(self.accept)
        self.buttonBox.rejected.connect(self.reject)

        self.layout = QVBoxLayout()
        self.message = QLabel("Detach this file?")
        self.layout.addWidget(self.message)
        self.layout.addWidget(self.buttonBox)
        self.setLayout(self.layout)

    def getInput(self):
        self.exec_()
        self.show()
        self.raise_()
        self.activateWindow()

class TotpCard(QDialog):
    def __init__(self, acct, challenge_types, parent=None,):
        super().__init__(parent=parent)
        self.setWindowTitle("MFA Request")
        self.result = None
        self.waiting = False

        QBtn = QDialogButtonBox.Ok

        layout = QVBoxLayout()

        self.buttonBox = QDialogButtonBox(QBtn)
        self.buttonBox.accepted.connect(self.accept)

        self.message = QLabel("2FA Required for "+acct)
        tmp = QHBoxLayout()
        tmpw = QWidget()
        tmpw.setLayout(tmp)
        self.comboboxlabel = QLabel("2FA Code Type:")
        self.combobox = QComboBox()

        self.combobox.addItems(challenge_types)
        self.combobox.setDuplicatesEnabled(False)
        self.combobox.setEditable(False)

        tmp.addWidget(self.comboboxlabel)
        tmp.addWidget(self.combobox)
        self.code = QLineEdit()
        self.code.setPlaceholderText('2FA Code')

        layout.addWidget(self.message)
        layout.addWidget(tmpw)
        layout.addWidget(self.code)
        layout.addWidget(self.buttonBox)

        self.setLayout(layout)
        self.setFocusProxy(self.code)
        self.accepted.connect(self._finished)

    def _finished(self):
        ex.totpReady = (self.code.text(), self.combobox.currentText())

    def getInput(self, *args, **kwargs):
        self.exec_()
        self.show()
        self.raise_()
        self.activateWindow()

class LoginDialog(QDialog):
    def __init__(self, parent=None):
        super().__init__(parent=parent)
        self.setWindowTitle("Log In")

        QBtn = QDialogButtonBox.Ok | QDialogButtonBox.Cancel

        self.buttonBox = QDialogButtonBox(QBtn)
        self.buttonBox.accepted.connect(self.accept)
        self.buttonBox.rejected.connect(self.reject)

        self.layout = QVBoxLayout()
        self.message = QLabel("Log in to your fediverse account")
        self.username = QLineEdit()
        self.username.setPlaceholderText('Username (e.g. Moon)')
        self.instance = QLineEdit()
        self.instance.setPlaceholderText('Instance (e.g. shitposter.club)')
        self.password = QLineEdit()
        self.password.setPlaceholderText('Password')
        self.password.setEchoMode(QLineEdit.Password)
        self.layout.addWidget(self.message)
        self.layout.addWidget(self.username)
        self.layout.addWidget(self.instance)
        self.layout.addWidget(self.password)
        self.layout.addWidget(self.buttonBox)
        self.setLayout(self.layout)
        self.setFocusProxy(self.username)

    def getInput(self, func):
        self.show()
        self.raise_()
        self.activateWindow()
        self.accepted.connect(self._finished)
        self.finishedFunc = func
    
    def _finished(self):
        instance = self.instance.text()
        instance = instance.replace('http://', '')
        instance = instance.replace('https://', '')
        if instance[len(instance) - 1] == '/':
            instance = instance[0:(len(instance) - 2)]
        self.finishedFunc(self.instance.text(), self.username.text(), password=self.password.text())

class ContactCard(QDialog):
    def __init__(self, parent=None):
        super().__init__(parent=parent)
        self.setWindowTitle("Contact Info")

        QBtn = QDialogButtonBox.Ok

        self.buttonBox = QDialogButtonBox(QBtn)
        self.buttonBox.accepted.connect(self.accept)

        self.layout = QVBoxLayout()
        self.message = QLabel("Written by knotteye\nContact me in the following places (in order of preference) with issues")
        self.fedi = QLabel("Fedi: <a href='https://waldn.net/users/knotteye'>@knotteye@waldn.net</a>")
        self.fedi.setOpenExternalLinks(True)
        self.xmpp = QLabel('XMPP: <a href="xmpp://knotteye@telekem.net?message">knotteye@telekem.net</a>')
        self.xmpp.setOpenExternalLinks(True)
        self.email = QLabel('Email: <a href="mailto:knotteye@airmail.cc">knotteye@airmail.cc</a>')
        self.email.setOpenExternalLinks(True)
        self.layout.addWidget(self.message)
        self.layout.addWidget(self.fedi)
        self.layout.addWidget(self.xmpp)
        self.layout.addWidget(self.email)
        self.layout.addWidget(self.buttonBox)
        self.setLayout(self.layout)

        self.show()
        self.raise_()
        self.activateWindow()

class LicenseArea(QScrollArea):
    def __init__(self, licenseText):
        super().__init__()
        label = QLabel(licenseText)
        self.setWidget(label)

class LicenseCard(QDialog):
    def __init__(self, parent=None):
        super().__init__(parent=parent)
        self.setWindowTitle("Required Licensing Information")
        self.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.MinimumExpanding)

        QBtn = QDialogButtonBox.Ok

        self.buttonBox = QDialogButtonBox(QBtn)
        self.buttonBox.accepted.connect(self.accept)

        self.layout = QVBoxLayout()
        self.tabs =  QTabWidget()
        
        plchatlayout = QVBoxLayout()
        plchatW = QWidget()
        plchatW.setLayout(plchatlayout)
        plchatlabel = QLabel("<a href='https://git.waldn.net/git/knotteye/plchat/'>Repository</a>")
        plchatlabel.setTextFormat(Qt.RichText)
        plchatlabel.setOpenExternalLinks(True)
        plchatLicense = QLabel(misc.plchatLicense)
        plchatscroll = QScrollArea()
        plchatscroll.setWidget(plchatLicense)
        plchatlayout.addWidget(plchatlabel)
        plchatlayout.addWidget(plchatscroll)

        self.tabs.addTab(plchatW, 'PlChat')
        self.tabs.addTab(LicenseArea(misc.pyqt5License), "PyQt5")
        self.tabs.addTab(LicenseArea(misc.videowidgetlicense), "videowidget.py")
        self.tabs.addTab(LicenseArea(misc.videowidgetlicense), "audiowidget.py")
        self.tabs.addTab(LicenseArea(misc.notifypylicense), "notify-py")
        self.tabs.addTab(LicenseArea(misc.logurulicense), "loguru")
        self.tabs.addTab(LicenseArea(misc.websocketslicense), "websockets")
        self.tabs.addTab(LicenseArea(misc.sixlicense), "six")
        self.tabs.addTab(LicenseArea(misc.magiclicense), "python-magic")
        self.tabs.addTab(LicenseArea(misc.dateutillicense), "dateutil")
        self.tabs.addTab(LicenseArea(misc.keyringlicense), "keyring")

        self.layout.addWidget(self.tabs)
        self.layout.addWidget(self.buttonBox)
        self.setLayout(self.layout)

        self.show()
        self.raise_()
        self.activateWindow()

    def sizeHint(self):
        return QSize(650, 850)

class EmojiText(QWidget):
    ceRegex = re.compile('(:[^:]+:)')
    def __init__(self, text, emojiList, header=False):
        super().__init__()
        self.layoutfinal = QVBoxLayout()
        self.layoutfinal.setSpacing(0)
        self.layoutfinal.setContentsMargins(0,0,0,0)

        for line in re.split(newlineRegex, text):
           self.layoutfinal.addWidget(self.makeLine(line, emojiList, header))

        self.setLayout(self.layoutfinal)

    def makeLine(self, text, emojiList, header):
        widget = QWidget()
        layout = QWidget()
        layout = QHBoxLayout()
        layout.setSpacing(0)
        layout.setContentsMargins(0,0,0,0)
        widget.setContentsMargins(0,0,0,0)
        customEmojis = []
        if header:
            size = ex.headerEmojiFontSize
        else:
            size = ex.emojiFontSize

        for em in re.findall(self.ceRegex, text):
            for emoji in emojiList:
                if emoji['shortcode'] == em[1:len(em)-1]:
                    cemurl = emoji[STATIC_PREF+'url']
            customEmojis.append(CustomEmoji(em[1:len(em)-1], cemurl, size))

        i = 0

        for stringpart in re.split(self.ceRegex, text):
            if len(stringpart) > 2 and stringpart[0] == ':' and stringpart[len(stringpart)-1] == ':':
                layout.addWidget(customEmojis[i], 1)
                i += 1
            else:
                label = QLabel(stringpart)
                if header:
                    label.setFont(ex.HeaderFont)
                label.setTextFormat(Qt.RichText)
                label.setWordWrap(True)
                label.setTextInteractionFlags((Qt.TextBrowserInteraction))
                label.setOpenExternalLinks(True)
                layout.addWidget(label)

        layout.addWidget(QWidget(), 9000)
        widget.setLayout(layout)
        return widget

class CustomEmoji(QLabel):
    def __init__(self, shortcode, url=None, height=12):
        super().__init__()
        self.setScaledContents=True
        if url:
            CallThread(getPic, self.loadPic, url).start()
            self.mheight = height
            self.pixmap = None
            self.setMargin(0)

    def loadPic(self, path):
        self.pixmap = QPixmap(path)
        self.setPixmap(self.pixmap.scaledToHeight(self.mheight, mode=Qt.SmoothTransformation))

class CallThread(threading.Thread):
    # Generic thread object that takes some function, a callback and a list of arguments
    # The entire purpose of this object is to be a wrapper around running functions in a new thread
    def __init__(self, function, callback, *args, **kwargs):
        super(CallThread, self).__init__()
        self.function = function
        self.args = args or ()
        self.kwargs = kwargs or {}
        self.callback = callback

    def run(self):
        result = self.function(*self.args, **self.kwargs)
        if not self.callback:
            return
        ex._eventloop.call_soon_threadsafe(self.callback, result)

class RegisterThread(threading.Thread):
    def __init__(self, acct, callback):
        super(RegisterThread, self).__init__()
        self.acct = acct
        self.callback = callback

    def run(self):
        self.acct.register()
        try:
            self.acct.login()
        except ValueError:
            ex._eventloop.call_soon_threadsafe(ex.badLogin, self.acct.username+'@'+self.acct.instance)
            return
        NotifThread(self.acct).start()
        self.acct.setChatUpdate(ex.handlePleromaEvent)
        self.callback(self.acct)

class NotifThread(threading.Thread):
    def __init__(self, acct):
        super(NotifThread, self).__init__()
        self.acct = acct
        self.loop = asyncio.new_event_loop()
        self.daemon = True
        asyncio.set_event_loop(self.loop)
    
    def run(self):
        self.loop.run_until_complete(self.acct.startStreaming())

class HLine(QFrame):
    def __init__(self): 
        super(HLine, self).__init__() 
        self.setFrameShape(self.HLine|self.Sunken)

class VLine(QFrame):
    def __init__(self): 
        super(VLine, self).__init__() 
        self.setFrameShape(self.VLine|self.Sunken)

class IconLabel(QLabel):
    def __init__(self, icon, w=30, h=None):
        super(IconLabel, self).__init__()
        if not h:
            h = w
        #self.icon = self.style().standardIcon(icon)
        self.icon = icon
        self.setPixmap(self.icon.pixmap(QSize(w, h)))

Notification = Notify(
    default_notification_title="PlChat",
    default_notification_icon=ICON_PATH,
    default_notification_audio=NOTIF_SOUND
)

def sendNotification(message, title=None, icon=None):
    Notification.message = message
    if title:
        Notification.title = title
    if icon:
        Notification.icon = icon
    Notification.send(block=False)

def getPic(url):
    filename = urllib.parse.urlparse(url).netloc+os.path.basename(urllib.parse.urlparse(url).path)
    filepath = CACHE+'/img/'+filename
    try:
        f = open(filepath, mode='xb+')
        THREADS[filepath] = threading.current_thread()
    except FileExistsError:
        try:
            while THREADS[filepath].is_alive():
                monkeypatch.sleep(0.2)
            return filepath
        except KeyError:
            return filepath
    try:
        imgdata = urllib.request.urlopen(url).read()
    except Exception as E:
        print("Got "+str(E)+" while downloading file: "+url)
        return filepath
    f.write(imgdata)
    f.close()
    return filepath

def getVid(url):
    filename = urllib.parse.urlparse(url).netloc+os.path.basename(urllib.parse.urlparse(url).path)
    filepath = CACHE+'/vid/'+filename
    try:
        f = open(filepath, mode='xb+')
        THREADS[filepath] = threading.current_thread()
    except FileExistsError:
        try:
            while THREADS[filepath].is_alive():
                monkeypatch.sleep(0.2)
            return filepath
        except KeyError:
            return filepath
    try:
        viddata = urllib.request.urlopen(url).read()
    except Exception as E:
        print("Got "+str(E)+" while downloading file: "+url)
        return filepath
    f.write(viddata)
    f.close()
    return filepath

def getAudio(url):
    filename = urllib.parse.urlparse(url).netloc+os.path.basename(urllib.parse.urlparse(url).path)
    filepath = CACHE+'/audio/'+filename
    try:
        f = open(filepath, mode='xb+')
        THREADS[filepath] = threading.current_thread()
    except FileExistsError:
        try:
            while THREADS[filepath].is_alive():
                monkeypatch.sleep(0.2)
            return filepath
        except KeyError:
            return filepath
    try:
        viddata = urllib.request.urlopen(url).read()
    except Exception as E:
        print("Got "+str(E)+" while downloading file: "+url)
        return filepath
    f.write(viddata)
    f.close()
    return filepath

def _mkdir(_dir):
    if os.path.isdir(_dir): pass
    elif os.path.isfile(_dir):
        raise OSError("%s exists as a regular file." % _dir)
    else:
        parent, directory = os.path.split(_dir)
        if parent and not os.path.isdir(parent): _mkdir(parent)
        if directory: os.mkdir(_dir)

def getAvi(instance):
    filename = instance+'avi.png'
    filepath = APPDATA+'/'+filename
    try:
        f = open(filepath, mode='xb+')
    except FileExistsError:
        return
    try:
        imgdata = urllib.request.urlopen('https://'+instance+'/images/avi.png').read()
    except Exception as E:
        print("Couldn't get default avi for "+instance+", error: "+str(E))
        return
    f.write(imgdata)
    f.close()
    return filepath

def updateAnimationPref():
    if ex.animatePicturesAction.isChecked():
        STATIC_PREF = ''
    else:
        STATIC_PREF = 'static_'

if __name__ == '__main__':
    _mkdir(CACHE+'/img/')
    _mkdir(CACHE+'/vid/')
    _mkdir(CACHE+'/audio/')
    _mkdir(APPDATA)
    app = QApplication(sys.argv)
    app.setOrganizationName("plchat")
    app.setApplicationName("plchat")
    ex = App(app.processEvents)
    sys.exit(ex._eventloop.run_forever())