Sideband/sbapp/ui/messages.py

import time
import RNS
import LXMF

from kivy.metrics import dp,sp
from kivy.core.clipboard import Clipboard
from kivymd.uix.card import MDCard
from kivymd.uix.menu import MDDropdownMenu
# from kivymd.uix.behaviors import RoundedRectangularElevationBehavior, FakeRectangularElevationBehavior
from kivymd.uix.behaviors import CommonElevationBehavior
from kivy.properties import StringProperty, BooleanProperty
from kivy.uix.gridlayout import GridLayout
from kivy.uix.boxlayout import BoxLayout
from kivy.clock import Clock
from kivy.utils import escape_markup

from kivymd.uix.button import MDRectangleFlatButton, MDRectangleFlatIconButton
from kivymd.uix.dialog import MDDialog

if RNS.vendor.platformutils.get_platform() == "android":
    from ui.helpers import multilingual_markup
else:
    from .helpers import multilingual_markup

import os
import plyer
import subprocess
import shlex

if RNS.vendor.platformutils.get_platform() == "android":
    from sideband.sense import Telemeter, Commands
    from ui.helpers import ts_format, file_ts_format, mdc
    from ui.helpers import color_received, color_delivered, color_propagated, color_paper, color_failed, color_unknown, intensity_msgs_dark, intensity_msgs_light
else:
    from sbapp.sideband.sense import Telemeter, Commands
    from .helpers import ts_format, file_ts_format, mdc
    from .helpers import color_received, color_delivered, color_propagated, color_paper, color_failed, color_unknown, intensity_msgs_dark, intensity_msgs_light

from kivy.lang.builder import Builder

class ListLXMessageCard(MDCard):
# class ListLXMessageCard(MDCard, FakeRectangularElevationBehavior):
    text = StringProperty()
    heading = StringProperty()

class Messages():
    def __init__(self, app, context_dest):
        self.app = app
        self.context_dest = context_dest
        self.source_dest = context_dest
        self.is_trusted = self.app.sideband.is_trusted(self.context_dest)

        self.screen = self.app.root.ids.screen_manager.get_screen("messages_screen")
        self.ids = self.screen.ids

        self.new_messages = []
        self.added_item_hashes = []
        self.added_messages = 0
        self.latest_message_timestamp = None
        self.earliest_message_timestamp = time.time()
        self.loading_earlier_messages = False
        self.list = None
        self.widgets = []
        self.send_error_dialog = None
        self.load_more_button = None
        self.update()

    def reload(self):
        if self.list != None:
            self.list.clear_widgets()

        self.new_messages = []
        self.added_item_hashes = []
        self.added_messages = 0
        self.latest_message_timestamp = None
        self.widgets = []

        self.update()

    def load_more(self, dt):
        for new_message in self.app.sideband.list_messages(self.context_dest, before=self.earliest_message_timestamp,limit=5):
            self.new_messages.append(new_message)

        if len(self.new_messages) > 0:
            self.loading_earlier_messages = True
            self.list.remove_widget(self.load_more_button)

    def update(self, limit=8):
        for new_message in self.app.sideband.list_messages(self.context_dest, after=self.latest_message_timestamp,limit=limit):
            self.new_messages.append(new_message)

        self.db_message_count = self.app.sideband.count_messages(self.context_dest)

        if self.load_more_button == None:
            self.load_more_button = MDRectangleFlatIconButton(
                icon="message-text-clock-outline",
                text="Load earlier messages",
                font_size=dp(18),
                theme_text_color="Custom",
                size_hint=[1.0, None],
            )
            def lmcb(sender):
                Clock.schedule_once(self.load_more, 0.15)

            self.load_more_button.bind(on_release=lmcb)

        if self.list == None:
            layout = GridLayout(cols=1, spacing=dp(16), padding=dp(16), size_hint_y=None)
            layout.bind(minimum_height=layout.setter('height'))
            self.list = layout

        c_ts = time.time()
        if len(self.new_messages) > 0:
            self.update_widget()

        if (len(self.added_item_hashes) < self.db_message_count) and not self.load_more_button in self.list.children:
            self.list.add_widget(self.load_more_button, len(self.list.children))

        if self.app.sideband.config["dark_ui"]:
            intensity_msgs = intensity_msgs_dark
        else:
            intensity_msgs = intensity_msgs_light

        for w in self.widgets:
            m = w.m
            if self.app.sideband.config["dark_ui"]:
                w.line_color = (1.0, 1.0, 1.0, 0.25)
            else:
                w.line_color = (1.0, 1.0, 1.0, 0.5)

            if m["state"] == LXMF.LXMessage.SENDING or m["state"] == LXMF.LXMessage.OUTBOUND:
                msg = self.app.sideband.message(m["hash"])
                if msg["state"] == LXMF.LXMessage.DELIVERED:
                    w.md_bg_color = msg_color = mdc(color_delivered, intensity_msgs)
                    txstr = time.strftime(ts_format, time.localtime(msg["sent"]))
                    titlestr = ""
                    if msg["title"]:
                        titlestr = "[b]Title[/b] "+msg["title"].decode("utf-8")+"\n"
                    w.heading = titlestr+"[b]Sent[/b] "+txstr+"\n[b]State[/b] Delivered"
                    m["state"] = msg["state"]

                if msg["method"] == LXMF.LXMessage.PAPER:
                    w.md_bg_color = msg_color = mdc(color_paper, intensity_msgs)
                    txstr = time.strftime(ts_format, time.localtime(msg["sent"]))
                    titlestr = ""
                    if msg["title"]:
                        titlestr = "[b]Title[/b] "+msg["title"].decode("utf-8")+"\n"
                    w.heading = titlestr+"[b]Sent[/b] "+txstr+"\n[b]State[/b] Paper Message"
                    m["state"] = msg["state"]

                if msg["method"] == LXMF.LXMessage.PROPAGATED and msg["state"] == LXMF.LXMessage.SENT:
                    w.md_bg_color = msg_color = mdc(color_propagated, intensity_msgs)
                    txstr = time.strftime(ts_format, time.localtime(msg["sent"]))
                    titlestr = ""
                    if msg["title"]:
                        titlestr = "[b]Title[/b] "+msg["title"].decode("utf-8")+"\n"
                    w.heading = titlestr+"[b]Sent[/b] "+txstr+"\n[b]State[/b] On Propagation Net"
                    m["state"] = msg["state"]

                if msg["state"] == LXMF.LXMessage.FAILED:
                    w.md_bg_color = msg_color = mdc(color_failed, intensity_msgs)
                    txstr = time.strftime(ts_format, time.localtime(msg["sent"]))
                    titlestr = ""
                    if msg["title"]:
                        titlestr = "[b]Title[/b] "+msg["title"].decode("utf-8")+"\n"
                    w.heading = titlestr+"[b]Sent[/b] "+txstr+"\n[b]State[/b] Failed"
                    m["state"] = msg["state"]
                    w.dmenu.items.append(w.dmenu.retry_item)


    def update_widget(self):
        if self.app.sideband.config["dark_ui"]:
            intensity_msgs = intensity_msgs_dark
            mt_color = [1.0, 1.0, 1.0, 0.8]
        else:
            intensity_msgs = intensity_msgs_light
            mt_color = [1.0, 1.0, 1.0, 0.95]

        self.ids.message_text.font_name = self.app.input_font

        if self.loading_earlier_messages:
            self.new_messages.reverse()

        for m in self.new_messages:
            if not m["hash"] in self.added_item_hashes:
                if not self.is_trusted:
                    message_input = str( escape_markup(m["content"].decode("utf-8")) ).encode("utf-8")
                else:
                    message_input = m["content"]

                message_markup = multilingual_markup(message_input)

                txstr = time.strftime(ts_format, time.localtime(m["sent"]))
                rxstr = time.strftime(ts_format, time.localtime(m["received"]))
                titlestr = ""
                extra_content = ""
                extra_telemetry = {}
                telemeter = None
                force_markup = False
                signature_valid = False

                if "lxm" in m and m["lxm"] != None and m["lxm"].signature_validated:
                    signature_valid = True

                if "extras" in m and m["extras"] != None and "packed_telemetry" in m["extras"]:
                    try:
                        telemeter = Telemeter.from_packed(m["extras"]["packed_telemetry"])
                    except Exception as e:
                        pass

                if "lxm" in m and m["lxm"] != None and m["lxm"].fields != None and LXMF.FIELD_COMMANDS in m["lxm"].fields:
                    try:
                        commands = m["lxm"].fields[LXMF.FIELD_COMMANDS]
                        for command in commands:
                            if Commands.ECHO in command:
                                extra_content = "[font=RobotoMono-Regular]> echo "+command[Commands.ECHO].decode("utf-8")+"[/font]\n"
                            if Commands.PING in command:
                                extra_content = "[font=RobotoMono-Regular]> ping[/font]\n"
                            if Commands.SIGNAL_REPORT in command:
                                extra_content = "[font=RobotoMono-Regular]> sig[/font]\n"
                        extra_content = extra_content[:-1]
                        force_markup = True
                    except Exception as e:
                        RNS.log("Error while generating command display: "+str(e), RNS.LOG_ERROR)

                if telemeter == None and "lxm" in m and m["lxm"] and m["lxm"].fields != None and LXMF.FIELD_TELEMETRY in m["lxm"].fields:
                    try:
                        packed_telemetry = m["lxm"].fields[LXMF.FIELD_TELEMETRY]
                        telemeter = Telemeter.from_packed(packed_telemetry)
                    except Exception as e:
                        pass

                rcvd_d_str = ""
                
                trcvd = telemeter.read("received") if telemeter else None
                if trcvd and "distance" in trcvd:
                    d = trcvd["distance"]
                    if "euclidian" in d:
                        edst = d["euclidian"]
                        if edst != None:
                            rcvd_d_str = "\n[b]Distance[/b] "+RNS.prettydistance(edst)
                    elif "geodesic" in d:
                        gdst = d["geodesic"]
                        if gdst != None:
                            rcvd_d_str = "\n[b]Distance[/b] "+RNS.prettydistance(gdst) + " (geodesic)"

                phy_stats_str = ""
                if "extras" in m and m["extras"] != None:
                    phy_stats = m["extras"]
                    if "q" in phy_stats:
                        try:
                            lq = round(float(phy_stats["q"]), 1)
                            phy_stats_str += "[b]Link Quality[/b] "+str(lq)+"% "
                            extra_telemetry["quality"] = lq
                        except:
                            pass
                    if "rssi" in phy_stats:
                        try:
                            lr = round(float(phy_stats["rssi"]), 1)
                            phy_stats_str += "[b]RSSI[/b] "+str(lr)+"dBm "
                            extra_telemetry["rssi"] = lr
                        except:
                            pass
                    if "snr" in phy_stats:
                        try:
                            ls = round(float(phy_stats["snr"]), 1)
                            phy_stats_str += "[b]SNR[/b] "+str(ls)+"dB "
                            extra_telemetry["snr"] = ls
                        except:
                            pass

                if m["title"]:
                    titlestr = "[b]Title[/b] "+m["title"].decode("utf-8")+"\n"

                if m["source"] == self.app.sideband.lxmf_destination.hash:
                    if m["state"] == LXMF.LXMessage.DELIVERED:
                        msg_color = mdc(color_delivered, intensity_msgs)
                        heading_str = titlestr+"[b]Sent[/b] "+txstr+"\n[b]State[/b] Delivered"

                    elif m["method"] == LXMF.LXMessage.PROPAGATED and m["state"] == LXMF.LXMessage.SENT:
                        msg_color = mdc(color_propagated, intensity_msgs)
                        heading_str = titlestr+"[b]Sent[/b] "+txstr+"\n[b]State[/b] On Propagation Net"

                    elif m["method"] == LXMF.LXMessage.PAPER:
                        msg_color = mdc(color_paper, intensity_msgs)
                        heading_str = titlestr+"[b]Created[/b] "+txstr+"\n[b]State[/b] Paper Message"

                    elif m["state"] == LXMF.LXMessage.FAILED:
                        msg_color = mdc(color_failed, intensity_msgs)
                        heading_str = titlestr+"[b]Sent[/b] "+txstr+"\n[b]State[/b] Failed"

                    elif m["state"] == LXMF.LXMessage.OUTBOUND or m["state"] == LXMF.LXMessage.SENDING:
                        msg_color = mdc(color_unknown, intensity_msgs)
                        heading_str = titlestr+"[b]Sent[/b] "+txstr+"\n[b]State[/b] Sending                          "

                    else:
                        msg_color = mdc(color_unknown, intensity_msgs)
                        heading_str = titlestr+"[b]Sent[/b] "+txstr+"\n[b]State[/b] Unknown"

                else:
                    msg_color = mdc(color_received, intensity_msgs)
                    heading_str = titlestr
                    if phy_stats_str != "" and self.app.sideband.config["advanced_stats"]:
                        heading_str += phy_stats_str+"\n"

                    heading_str += "[b]Sent[/b] "+txstr
                    heading_str += "\n[b]Received[/b] "+rxstr

                    if rcvd_d_str != "":
                        heading_str += rcvd_d_str

                pre_content = ""
                if not signature_valid:
                    identity_known = False
                    if RNS.Identity.recall(m["hash"]) != None:
                        identity_known = True

                    if identity_known == True:
                        pre_content += "[b]Warning![/b] The signature for this message could not be validated. [b]This message is likely to be fake[/b].\n\n"
                        force_markup = True

                item = ListLXMessageCard(
                    text=pre_content+message_markup.decode("utf-8")+extra_content,
                    heading=heading_str,
                    md_bg_color=msg_color,
                )
                if not RNS.vendor.platformutils.is_android():
                    item.radius = dp(5)

                item.sb_uid = m["hash"]
                item.m = m
                item.ids.heading_text.theme_text_color = "Custom"
                item.ids.heading_text.text_color = mt_color
                item.ids.content_text.theme_text_color = "Custom"
                item.ids.content_text.text_color = mt_color
                item.ids.msg_submenu.theme_text_color = "Custom"
                item.ids.msg_submenu.text_color = mt_color

                def gen_del(mhash, item):
                    def x():
                        yes_button = MDRectangleFlatButton(text="Yes",font_size=dp(18), theme_text_color="Custom", line_color=self.app.color_reject, text_color=self.app.color_reject)
                        no_button = MDRectangleFlatButton(text="No",font_size=dp(18))
                        dialog = MDDialog(
                            title="Delete message?",
                            buttons=[ yes_button, no_button ],
                            # elevation=0,
                        )
                        def dl_yes(s):
                            dialog.dismiss()
                            self.app.sideband.delete_message(mhash)

                            def cb(dt):
                                self.reload()
                            Clock.schedule_once(cb, 0.2)

                        def dl_no(s):
                            dialog.dismiss()

                        yes_button.bind(on_release=dl_yes)
                        no_button.bind(on_release=dl_no)
                        item.dmenu.dismiss()
                        dialog.open()
                    return x

                def gen_retry(mhash, mcontent, item):
                    def x():
                        self.app.messages_view.ids.message_text.text = mcontent.decode("utf-8")
                        self.app.sideband.delete_message(mhash)
                        self.app.message_send_action()
                        item.dmenu.dismiss()
                        def cb(dt):
                            self.reload()
                        Clock.schedule_once(cb, 0.2)

                    return x

                def gen_copy(msg, item):
                    def x():
                        Clipboard.copy(msg)
                        item.dmenu.dismiss()

                    return x

                def gen_copy_telemetry(telemeter, extra_telemetry, item):
                    def x():
                        try:
                            telemeter
                            if extra_telemetry and len(extra_telemetry) != 0:
                                physical_link = extra_telemetry
                                telemeter.synthesize("physical_link")
                                if "rssi" in physical_link: telemeter.sensors["physical_link"].rssi = physical_link["rssi"]
                                if "snr" in physical_link: telemeter.sensors["physical_link"].snr = physical_link["snr"]
                                if "quality" in physical_link: telemeter.sensors["physical_link"].q = physical_link["quality"]
                                telemeter.sensors["physical_link"].update_data()
                            
                            tlm = telemeter.read_all()
                            Clipboard.copy(str(tlm))
                            item.dmenu.dismiss()
                        except Exception as e:
                            RNS.log("An error occurred while decoding telemetry. The contained exception was: "+str(e), RNS.LOG_ERROR)
                            Clipboard.copy("Could not decode telemetry")

                    return x

                def gen_copy_lxm_uri(lxm, item):
                    def x():
                        Clipboard.copy(lxm.as_uri())
                        item.dmenu.dismiss()

                    return x

                def gen_save_qr(lxm, item):
                    if RNS.vendor.platformutils.is_android():
                        def x():
                            qr_image = lxm.as_qr()
                            hash_str = RNS.hexrep(lxm.hash[-2:], delimit=False)
                            filename = "Paper_Message_"+time.strftime(file_ts_format, time.localtime(m["sent"]))+"_"+hash_str+".png"
                            # filename = "Paper_Message.png"
                            self.app.share_image(qr_image, filename)
                            item.dmenu.dismiss()
                        return x

                    else:
                        def x():
                            try:
                                qr_image = lxm.as_qr()
                                hash_str = RNS.hexrep(lxm.hash[-2:], delimit=False)
                                filename = "Paper_Message_"+time.strftime(file_ts_format, time.localtime(m["sent"]))+"_"+hash_str+".png"
                                if RNS.vendor.platformutils.is_darwin():
                                    save_path = str(plyer.storagepath.get_downloads_dir()+filename).replace("file://", "")
                                else:
                                    save_path = plyer.storagepath.get_downloads_dir()+"/"+filename

                                qr_image.save(save_path)
                                item.dmenu.dismiss()

                                ok_button = MDRectangleFlatButton(text="OK",font_size=dp(18))
                                dialog = MDDialog(
                                    title="QR Code Saved",
                                    text="The paper message has been saved to: "+save_path+"",
                                    buttons=[ ok_button ],
                                    # elevation=0,
                                )
                                def dl_ok(s):
                                    dialog.dismiss()
                                
                                ok_button.bind(on_release=dl_ok)
                                dialog.open()

                            except Exception as e:
                                item.dmenu.dismiss()
                                ok_button = MDRectangleFlatButton(text="OK",font_size=dp(18))
                                dialog = MDDialog(
                                    title="Error",
                                    text="Could not save the paper message QR-code to:\n\n"+save_path+"\n\n"+str(e),
                                    buttons=[ ok_button ],
                                    # elevation=0,
                                )
                                def dl_ok(s):
                                    dialog.dismiss()
                                
                                ok_button.bind(on_release=dl_ok)
                                dialog.open()

                        return x

                def gen_print_qr(lxm, item):
                    if RNS.vendor.platformutils.is_android():
                        def x():
                            item.dmenu.dismiss()
                        return x
                    
                    else:
                        def x():
                            try:
                                qr_image = lxm.as_qr()
                                qr_tmp_path = self.app.sideband.tmp_dir+"/"+str(RNS.hexrep(lxm.hash, delimit=False))
                                qr_image.save(qr_tmp_path)

                                print_command = self.app.sideband.config["print_command"]+" "+qr_tmp_path
                                return_code = subprocess.call(shlex.split(print_command), stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)

                                os.unlink(qr_tmp_path)

                                item.dmenu.dismiss()

                            except Exception as e:
                                item.dmenu.dismiss()
                                ok_button = MDRectangleFlatButton(text="OK",font_size=dp(18))
                                dialog = MDDialog(
                                    title="Error",
                                    text="Could not print the paper message QR-code.\n\n"+str(e),
                                    buttons=[ ok_button ],
                                    # elevation=0,
                                )
                                def dl_ok(s):
                                    dialog.dismiss()
                                
                                ok_button.bind(on_release=dl_ok)
                                dialog.open()

                        return x

                retry_item = {
                    "viewclass": "OneLineListItem",
                    "text": "Retry",
                    "height": dp(40),
                    "on_release": gen_retry(m["hash"], m["content"], item)
                }
                if m["method"] == LXMF.LXMessage.PAPER:
                    if RNS.vendor.platformutils.is_android():
                        qr_save_text = "Share QR Code"
                        dm_items = [
                            {
                                "viewclass": "OneLineListItem",
                                "text": "Share QR Code",
                                "height": dp(40),
                                "on_release": gen_save_qr(m["lxm"], item)
                            },
                            {
                                "viewclass": "OneLineListItem",
                                "text": "Copy LXM URI",
                                "height": dp(40),
                                "on_release": gen_copy_lxm_uri(m["lxm"], item)
                            },
                            {
                                "viewclass": "OneLineListItem",
                                "text": "Copy message text",
                                "height": dp(40),
                                "on_release": gen_copy(m["content"].decode("utf-8"), item)
                            },
                            {
                                "text": "Delete",
                                "viewclass": "OneLineListItem",
                                "height": dp(40),
                                "on_release": gen_del(m["hash"], item)
                            }
                        ]

                    else:
                        dm_items = [
                            {
                                "viewclass": "OneLineListItem",
                                "text": "Print QR Code",
                                "height": dp(40),
                                "on_release": gen_print_qr(m["lxm"], item)
                            },
                            {
                                "viewclass": "OneLineListItem",
                                "text": "Save QR Code",
                                "height": dp(40),
                                "on_release": gen_save_qr(m["lxm"], item)
                            },
                            {
                                "viewclass": "OneLineListItem",
                                "text": "Copy LXM URI",
                                "height": dp(40),
                                "on_release": gen_copy_lxm_uri(m["lxm"], item)
                            },
                            {
                                "viewclass": "OneLineListItem",
                                "text": "Copy message text",
                                "height": dp(40),
                                "on_release": gen_copy(m["content"].decode("utf-8"), item)
                            },
                            {
                                "text": "Delete",
                                "viewclass": "OneLineListItem",
                                "height": dp(40),
                                "on_release": gen_del(m["hash"], item)
                            }
                        ]

                else:
                    if m["state"] == LXMF.LXMessage.FAILED:
                        dm_items = [
                            retry_item,
                            {
                                "viewclass": "OneLineListItem",
                                "text": "Copy",
                                "height": dp(40),
                                "on_release": gen_copy(m["content"].decode("utf-8"), item)
                            },
                            {
                                "text": "Delete",
                                "viewclass": "OneLineListItem",
                                "height": dp(40),
                                "on_release": gen_del(m["hash"], item)
                            }
                        ]
                    else:
                        if telemeter != None:
                            dm_items = [
                                {
                                    "viewclass": "OneLineListItem",
                                    "text": "Copy",
                                    "height": dp(40),
                                    "on_release": gen_copy(m["content"].decode("utf-8"), item)
                                },
                                {
                                    "viewclass": "OneLineListItem",
                                    "text": "Copy telemetry",
                                    "height": dp(40),
                                    "on_release": gen_copy_telemetry(telemeter, extra_telemetry, item)
                                },
                                {
                                    "text": "Delete",
                                    "viewclass": "OneLineListItem",
                                    "height": dp(40),
                                    "on_release": gen_del(m["hash"], item)
                                }
                            ]

                        else:
                            dm_items = [
                                {
                                    "viewclass": "OneLineListItem",
                                    "text": "Copy",
                                    "height": dp(40),
                                    "on_release": gen_copy(m["content"].decode("utf-8"), item)
                                },
                                {
                                    "text": "Delete",
                                    "viewclass": "OneLineListItem",
                                    "height": dp(40),
                                    "on_release": gen_del(m["hash"], item)
                                }
                            ]

                item.dmenu = MDDropdownMenu(
                    caller=item.ids.msg_submenu,
                    items=dm_items,
                    position="auto",
                    width=dp(256),
                    elevation=0,
                    radius=dp(3),
                )
                item.dmenu.retry_item = retry_item

                def callback_factory(ref):
                    def x(sender):
                        ref.dmenu.open()
                    return x

                # Bind menu open
                item.ids.msg_submenu.bind(on_release=callback_factory(item))

                if self.loading_earlier_messages:
                    insert_pos = len(self.list.children)
                else:
                    insert_pos = 0

                self.added_item_hashes.append(m["hash"])
                self.widgets.append(item)
                self.list.add_widget(item, insert_pos)

                if self.latest_message_timestamp == None or m["received"] > self.latest_message_timestamp:
                    self.latest_message_timestamp = m["received"]

                if self.earliest_message_timestamp == None or m["received"] < self.earliest_message_timestamp:
                    self.earliest_message_timestamp = m["received"]

        self.added_messages += len(self.new_messages)
        self.new_messages = []

    def get_widget(self):
        return self.list

    def close_send_error_dialog(self, sender=None):
        if self.send_error_dialog:
            self.send_error_dialog.dismiss()

messages_screen_kv = """
MDScreen:
    name: "messages_screen"
    
    BoxLayout:
        orientation: "vertical"

        MDTopAppBar:
            id: messages_toolbar
            anchor_title: "left"
            title: "Messages"
            elevation: 0
            left_action_items:
                [['menu', lambda x: root.app.nav_drawer.set_state("open")],]
            right_action_items:
                [
                ['map-marker-path', lambda x: root.app.peer_show_telemetry_action(self)],
                ['map-search', lambda x: root.app.peer_show_location_action(self)],
                ['lan-connect', lambda x: root.app.message_propagation_action(self)],
                ['close', lambda x: root.app.close_settings_action(self)],
                ]

        ScrollView:
            id: messages_scrollview
            do_scroll_x: False
            do_scroll_y: True

        BoxLayout:
            id: no_keys_part
            orientation: "vertical"
            padding: [dp(16), dp(0), dp(16), dp(16)]
            spacing: dp(24)
            size_hint_y: None
            height: self.minimum_height + dp(64)

            MDLabel:
                id: nokeys_text
                text: ""

            MDRectangleFlatIconButton:
                icon: "key-wireless"
                text: "Query Network For Keys"
                on_release: root.app.key_query_action(self)
            

        BoxLayout:
            id: message_input_part
            padding: [dp(16), dp(0), dp(16), dp(16)]
            spacing: dp(24)
            size_hint_y: None
            height: self.minimum_height

            MDTextField:
                id: message_text
                keyboard_suggestions: True
                multiline: True
                hint_text: "Write message"
                mode: "rectangle"
                max_height: dp(100)

            MDRectangleFlatIconButton:
                id: message_send_button
                icon: "transfer-up"
                text: "Send"
                padding: [dp(10), dp(13), dp(10), dp(14)]
                icon_size: dp(24)
                font_size: dp(16)
                on_release: root.app.message_send_action(self)
"""

Builder.load_string("""
<ListLXMessageCard>:
    style: "outlined"
    padding: dp(8)
    radius: dp(4)
    size_hint: 1.0, None
    height: content_text.height + heading_text.height + dp(32)
    pos_hint: {"center_x": .5, "center_y": .5}

    MDRelativeLayout:
        size_hint: 1.0, None
        theme_text_color: "ContrastParentBackground"

        MDIconButton:
            id: msg_submenu
            icon: "dots-vertical"
            # theme_text_color: 'Custom'
            # text_color: rgba(255,255,255,216)
            pos:
                root.width - (self.width + root.padding[0] + dp(4)), root.height - (self.height + root.padding[0] + dp(4))

        MDLabel:
            id: heading_text
            markup: True
            text: root.heading
            adaptive_size: True
            # theme_text_color: 'Custom'
            # text_color: rgba(255,255,255,100)
            pos: 0, root.height - (self.height + root.padding[0] + dp(8))

        MDLabel:
            id: content_text
            text: root.text
            markup: True
            size_hint_y: None
            text_size: self.width, None
            height: self.texture_size[1]

<CustomOneLineIconListItem>
    IconLeftWidget:
        icon: root.icon
""")