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Espnow chat app #96

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64 changes: 64 additions & 0 deletions internal_filesystem/apps/com.micropythonos.espnow_chat/assets/channel_activity.py
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,64 @@
import lvgl as lv
from mpos import Activity, AppearanceManager
from mpos import Activity, DisplayMetrics, BuildInfo, DeviceInfo
try:
import network
except ImportError:
network = None

class ChannelActivity(Activity):
def onCreate(self):
screen = lv.obj()
screen.set_style_pad_all(0, lv.PART.MAIN)
screen.set_flex_flow(lv.FLEX_FLOW.COLUMN)

self._add_label(screen, 'Current Network settings:', is_header=True)
if network:
sta = network.WLAN(network.WLAN.IF_STA)
self.current_config = sta.config
else:
self.current_config={
'essid': '<no network>',
'channel': None
}

self._add_label(screen, f'channel: {self.current_config["channel"]}')
self._add_label(screen, f'essid: {self.current_config["essid"]}')

#
# self.input_textarea = lv.textarea(screen)
# self.input_textarea.set_width(lv.pct(100))
# self.input_textarea.set_placeholder_text("Message ...")
# self.input_textarea.set_style_text_font(lv.font_montserrat_16, lv.PART.MAIN)
#
# keyboard = lv.keyboard(screen)
# keyboard.set_style_text_font(lv.font_montserrat_20, lv.PART.MAIN)
# keyboard.set_style_min_height(175, lv.PART.MAIN)
# AppearanceManager.apply_keyboard_fix(keyboard)
# keyboard.set_textarea(self.input_textarea)
# keyboard.add_event_cb(self.keyboard_cb, lv.EVENT.READY, None)

self.setContentView(screen)

def keyboard_cb(self, event):
text = self.input_textarea.get_text()
self.setResult(result_code="text", data=text)
self.finish()

def _add_label(self, parent, text, is_header=False, margin_top=DisplayMetrics.pct_of_height(5)):
"""
Based on About._add_label()
"""
label = lv.label(parent)
label.set_text(text)

if is_header:
primary_color = lv.theme_get_color_primary(None)
label.set_style_text_color(primary_color, lv.PART.MAIN)
label.set_style_text_font(lv.font_montserrat_14, lv.PART.MAIN)
label.set_style_margin_top(margin_top, lv.PART.MAIN)
label.set_style_margin_bottom(DisplayMetrics.pct_of_height(2), lv.PART.MAIN)
else:
label.set_style_text_font(lv.font_montserrat_12, lv.PART.MAIN)
label.set_style_margin_bottom(2, lv.PART.MAIN)
return label
82 changes: 50 additions & 32 deletions internal_filesystem/apps/com.micropythonos.espnow_chat/assets/espnow_chat.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6,8 +6,10 @@

import lvgl as lv
import machine
from channel_activity import ChannelActivity
from message_input_activity import MessageInputActivity
from micropython import const
from mpos import Activity, MposKeyboard, TaskManager
from mpos import Activity, Intent, TaskManager
from mpos.time import localtime

try:
Expand All @@ -32,29 +34,38 @@ def pformat_mac(mac):

class EspNowChat(Activity):
def onCreate(self):
main_content = lv.obj()
main_content.set_flex_flow(lv.FLEX_FLOW.COLUMN)
main_content.set_style_pad_gap(10, 0)

self.input_textarea = lv.textarea(main_content)
self.input_textarea.set_placeholder_text("Message input...")
self.input_textarea.set_one_line(True)
self.input_textarea.set_style_text_font(lv.font_montserrat_16, lv.PART.MAIN)
self.input_textarea.set_width(lv.pct(100))
self.input_textarea.add_event_cb(self.show_keyboard, lv.EVENT.CLICKED, None)

self.keyboard = MposKeyboard(main_content)
self.keyboard.set_textarea(self.input_textarea)
self.keyboard.add_event_cb(self.keyboard_cb, lv.EVENT.READY, None)
self.keyboard.add_flag(lv.obj.FLAG.HIDDEN)

self.messages = lv.label(main_content)
self.messages.set_style_text_font(lv.font_montserrat_14, 0)
screen = lv.obj()
screen.set_style_pad_all(0, lv.PART.MAIN)
screen.set_flex_flow(lv.FLEX_FLOW.COLUMN)

messages_row = lv.obj(screen)
messages_row.set_width(lv.pct(100))
messages_row.set_height(lv.SIZE_CONTENT)
messages_row.set_style_pad_all(0, 1)
messages_row.set_flex_flow(lv.FLEX_FLOW.ROW)

self.messages = lv.label(messages_row)
self.messages.set_style_text_font(lv.font_montserrat_12, 0)

self.button_row = lv.obj(screen)
self.button_row.set_width(lv.pct(100))
self.button_row.set_height(lv.SIZE_CONTENT)
self.button_row.set_flex_flow(lv.FLEX_FLOW.ROW)

self.write_btn = lv.button(self.button_row)
write_label = lv.label(self.write_btn)
write_label.set_text("Send Message")
self.write_btn.add_event_cb(self.open_message_input, lv.EVENT.CLICKED, None)

self.channel_btn = lv.button(self.button_row)
channel_btn_label = lv.label(self.channel_btn)
channel_btn_label.set_text("Channel")
self.channel_btn.add_event_cb(self.open_channel_activity, lv.EVENT.CLICKED, None)

# Buffer to store and display the latest 20 messages:
self.messages_buffer = deque((), 20)

self.setContentView(main_content)
self.setContentView(screen)

if aioespnow and network:
print("Initialize WLAN interface...")
Expand All @@ -80,21 +91,28 @@ def info(self, text):
hour, minute, second = now[3], now[4], now[5]
message = f"{hour:02}:{minute:02}:{second:02} {text}"
print(message)
self.messages_buffer.appendleft(message)
self.messages_buffer.append(message)
self.messages.set_text("\n".join(self.messages_buffer))

def keyboard_cb(self, event):
message = self.input_textarea.get_text()
if not message:
print("Ignore empty input")
else:
self.input_textarea.set_text("")
print(f"Create task to send {message=}...")
self.button_row.scroll_to_view_recursive(True)

def open_message_input(self, event):
intent = Intent(activity_class=MessageInputActivity)
self.startActivityForResult(intent, self.on_message_input_result)

def open_channel_activity(self, event):
intent = Intent(activity_class=ChannelActivity)
self.startActivityForResult(intent, self.on_channel_activity_result)

def on_message_input_result(self, result: dict):
print(f"on_message_input_result: {result=}")
if not result:
return
if message := result.get("data"):
print(f"Create task to send {message=}")
TaskManager.create_task(self.send_messages(message))

def show_keyboard(self, event):
print("Show keyboard")
self.keyboard.remove_flag(lv.obj.FLAG.HIDDEN)
def on_channel_activity_result(self, result: dict):
print(f"WIP - on_channel_activity_result: {result=}")

async def send_messages(self, message):
self.info(f"Sending: {message} ({self.own_id})")
Expand Down
29 changes: 29 additions & 0 deletions internal_filesystem/apps/com.micropythonos.espnow_chat/assets/message_input_activity.py
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
import lvgl as lv
from mpos import Activity, AppearanceManager


class MessageInputActivity(Activity):
def onCreate(self):
screen = lv.obj()
screen.set_style_pad_all(0, lv.PART.MAIN)
screen.set_flex_flow(lv.FLEX_FLOW.COLUMN)

self.input_textarea = lv.textarea(screen)
self.input_textarea.set_width(lv.pct(100))
self.input_textarea.set_one_line(True)
self.input_textarea.set_placeholder_text("Message ...")
self.input_textarea.set_style_text_font(lv.font_montserrat_16, lv.PART.MAIN)

keyboard = lv.keyboard(screen)
keyboard.set_style_text_font(lv.font_montserrat_20, lv.PART.MAIN)
keyboard.set_style_min_height(175, lv.PART.MAIN)
AppearanceManager.apply_keyboard_fix(keyboard)
keyboard.set_textarea(self.input_textarea)
keyboard.add_event_cb(self.keyboard_cb, lv.EVENT.READY, None)

self.setContentView(screen)

def keyboard_cb(self, event):
text = self.input_textarea.get_text()
self.setResult(result_code="text", data=text)
self.finish()
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