From fa8d43fcab5fe5c67bd1fe928cf96a4120669fde Mon Sep 17 00:00:00 2001
From: Abhirup-99 <abhiruppalmethodist@gmail.com>
Date: Sun, 10 Jan 2021 00:14:53 +0530
Subject: [PATCH] boxes: Disable stream change during edit.

---
 zulipterminal/ui_tools/boxes.py | 46 +++++++++++++++++++++------------
 1 file changed, 30 insertions(+), 16 deletions(-)

diff --git a/zulipterminal/ui_tools/boxes.py b/zulipterminal/ui_tools/boxes.py
index 81e2c28ccb0..f48f62b8edd 100644
--- a/zulipterminal/ui_tools/boxes.py
+++ b/zulipterminal/ui_tools/boxes.py
@@ -40,6 +40,8 @@ def __init__(self, view: Any) -> None:
         self.stream_id = None  # type: Optional[int]
         self.recipient_user_ids = []  # type: List[int]
         self.msg_body_edit_enabled = True
+        self.in_edit_message_box = False
+        self.edit_caption = None  # type: Optional[str]
         self.FOCUS_CONTAINER_HEADER = 0
         self.FOCUS_HEADER_BOX_RECIPIENT = 0
         self.FOCUS_HEADER_BOX_STREAM = 0
@@ -84,7 +86,7 @@ def private_box_view(self, button: Any=None, email: str='',
         self.focus_position = self.FOCUS_CONTAINER_MESSAGE
 
     def stream_box_view(self, stream_id: int, caption: str='', title: str='',
-                        ) -> None:
+                        is_in_edit: bool=False) -> None:
         self.set_editor_mode()
         self.stream_id = stream_id
         self.recipient_user_ids = self.model.get_other_subscribers_in_stream(
@@ -96,17 +98,20 @@ def stream_box_view(self, stream_id: int, caption: str='', title: str='',
             key=primary_key_for_command('AUTOCOMPLETE'),
             key_reverse=primary_key_for_command('AUTOCOMPLETE_REVERSE')
         )
-        self.stream_write_box = ReadlineEdit(
-            caption="Stream:  ",
-            edit_text=caption
-        )
-        self.stream_write_box.enable_autocomplete(
-            func=self._stream_box_autocomplete,
-            key=primary_key_for_command('AUTOCOMPLETE'),
-            key_reverse=primary_key_for_command('AUTOCOMPLETE_REVERSE')
-        )
-        self.stream_write_box.set_completer_delims("")
-
+        if not is_in_edit:
+            self.stream_write_box = ReadlineEdit(
+                caption="Stream:  ",
+                edit_text=caption
+            )
+            self.stream_write_box.enable_autocomplete(
+                func=self._stream_box_autocomplete,
+                key=primary_key_for_command('AUTOCOMPLETE'),
+                key_reverse=primary_key_for_command('AUTOCOMPLETE_REVERSE')
+            )
+            self.stream_write_box.set_completer_delims("")
+        else:
+            self.stream_write_box = urwid.AttrMap(urwid.SelectableIcon(
+                                    "Stream: " + caption), None, 'selected')
         self.title_write_box = ReadlineEdit(caption="Topic:  ",
                                             edit_text=title)
         self.title_write_box.enable_autocomplete(
@@ -133,9 +138,11 @@ def stream_box_view(self, stream_id: int, caption: str='', title: str='',
 
     def stream_box_edit_view(self, stream_id: int, caption: str='',
                              title: str='') -> None:
-        self.stream_box_view(stream_id, caption, title)
+        self.in_edit_message_box = True
+        self.edit_caption = caption
+        self.stream_box_view(stream_id=stream_id, caption=caption,
+                             title=title, is_in_edit=True)
         self.edit_mode_button = EditModeButton(self.model.controller, 20)
-
         self.header_write_box.widget_list.append(self.edit_mode_button)
 
     def _topic_box_autocomplete(self, text: str, state: Optional[int]
@@ -360,6 +367,8 @@ def keypress(self, size: urwid_Size, key: str) -> Optional[str]:
                     self.keypress(size, 'esc')
         elif is_command_key('GO_BACK', key):
             self.msg_edit_id = None
+            self.in_edit_message_box = False
+            self.edit_caption = None
             self.msg_body_edit_enabled = True
             self.view.controller.exit_editor_mode()
             self.main_view(False)
@@ -393,8 +402,11 @@ def keypress(self, size: urwid_Size, key: str) -> Optional[str]:
             if self.focus_position == self.FOCUS_CONTAINER_HEADER:
                 if self.to_write_box is None:
                     if header.focus_col == self.FOCUS_HEADER_BOX_STREAM:
-                        stream_name = (header[self.FOCUS_HEADER_BOX_STREAM]
-                                       .edit_text)
+                        if not self.in_edit_message_box:
+                            stream_name = (header[self.FOCUS_HEADER_BOX_STREAM]
+                                           .edit_text)
+                        else:
+                            stream_name = self.edit_caption
                         if not self.model.is_valid_stream(stream_name):
                             invalid_stream_error = (
                                 'Invalid stream name.'
@@ -1338,6 +1350,8 @@ def valid_char(self, ch: str) -> bool:
     def keypress(self, size: urwid_Size, key: str) -> Optional[str]:
         if ((is_command_key('ENTER', key) and self.get_edit_text() == '')
                 or is_command_key('GO_BACK', key)):
+            self.in_edit_message_box = False
+            self.edit_caption = None
             self.panel_view.view.controller.exit_editor_mode()
             self.reset_search_text()
             self.panel_view.set_focus("body")