From c76f53daab50e9604d033d679409afbd5e45abbe Mon Sep 17 00:00:00 2001
From: John Mertz <git@john.me.tz>
Date: Fri, 1 Mar 2024 18:21:48 -0700
Subject: [PATCH] Working scroll to bottom function

---
 voipms-sms-tui.py | 28 ++++++++++++++++++----------
 1 file changed, 18 insertions(+), 10 deletions(-)

diff --git a/voipms-sms-tui.py b/voipms-sms-tui.py
index 02f32b6..5d5959d 100644
--- a/voipms-sms-tui.py
+++ b/voipms-sms-tui.py
@@ -135,10 +135,12 @@ class ConversationView(urwid.WidgetWrap):
         super().__init__(self.main_window())
 
     def update_conversation(self, force_update=False):
-        return urwid.SimpleListWalker(self.model.get_messages())
+        return self.model.get_messages()
 
     def on_conversation_button(self, button, state):
         """Notify the model of a new conversation setting."""
+        self.scroll_to_bottom()
+        return 1
         if state:
             self.model.set_conversation(button.get_label().split("\n")[0])
         self.model.set_conversation(self.conversation)
@@ -162,7 +164,7 @@ class ConversationView(urwid.WidgetWrap):
         conversation = self.model.get_conversations()[0]
 
     def conversation(self):
-        return urwid.ListBox(self.update_conversation())
+        return self.update_conversation()
 
     def button(self, t, fn):
         w = urwid.Button(t, fn)
@@ -202,6 +204,9 @@ class ConversationView(urwid.WidgetWrap):
     def send_update(self, field, msg):
         field=msg.edit_text
 
+    def scroll_to_bottom(self):
+        self.scrollable.set_scrollpos(-1)
+
     def main_window(self):
         self.chat = self.conversation()
         self.send_content = "Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. Oh, Hi. wassup!"
@@ -218,23 +223,25 @@ class ConversationView(urwid.WidgetWrap):
             left=0,
             right=0
         )
+        self.char_count="0/140";
+        self.send_pile = urwid.Pile([
+            self.send_button,
+            urwid.Text(self.char_count, align=urwid.CENTER)
+        ])
         self.send = urwid.Columns([
             (urwid.WEIGHT, 8, self.send_box),
-            self.send_button,
+            self.send_pile,
         ])
         self.header = urwid.Text("VoIP.ms SMS TUI", urwid.CENTER)
+        self.scrollable = urwid.Scrollable(urwid.Pile(self.chat))
+        self.sb = urwid.ScrollBar(self.scrollable, trough_char=urwid.ScrollBar.Symbols.LITE_SHADE)
         self.view = urwid.Pile([
                 ('pack', urwid.AttrMap(self.header, "header")),
-                urwid.AttrMap(
-                    urwid.ScrollBar(
-                        self.chat,
-                        trough_char=urwid.ScrollBar.Symbols.LITE_SHADE
-                    ),
-                    "body"
-                ), 
+                urwid.AttrMap(self.sb, "body"), 
                 ('pack', urwid.AttrMap(self.send, "footer")),
             ]
         )
+        self.scroll_to_bottom()
         c = self.conversation_selection()
         w = urwid.Columns(
             [
@@ -272,6 +279,7 @@ def main():
     view.on_conversation_change(conversation)
     view.update_conversation(True)
     urwid.MainLoop(view, view.palette, unhandled_input=unhandled).run()
+    view.scroll_to_bottom()
 
 
 def setup():