keys: Add a common suffix for all urwid_readline hotkeys.

Tests updated to not use urwid_readline hotkeys,
to avoid reliance on external libraries for hotkey commands.

Author: Niloth-p

tests/config/test_keys.py

@@ -142,7 +142,7 @@ def test_display_key_for_urwid_key(urwid_key: str, display_key: str) -> None:
 
 
 COMMAND_TO_DISPLAY_KEYS = [
-    ("NEXT_LINE", ["Down", "Ctrl n"]),
+    ("SEND_MESSAGE", ["Ctrl d", "Meta Enter"]),
     ("TOGGLE_STAR_STATUS", ["Ctrl s", "*"]),
     ("ALL_PM", ["P"]),
 ]

zulipterminal/config/keys.py

@@ -17,6 +17,9 @@
 )
 
 
+READLINE_SUFFIX = "_READLINE"
+
+
 class KeyBinding(TypedDict):
     keys: List[str]
     help_text: str
@@ -320,82 +323,82 @@ class KeyBinding(TypedDict):
         'help_text': 'Show/hide user information (from users list)',
         'key_category': 'general',
     },
-    'BEGINNING_OF_LINE': {
+    'BEGINNING_OF_LINE' + READLINE_SUFFIX: {
         'keys': ['ctrl a', 'home'],
         'help_text': 'Start of line',
         'key_category': 'editor_navigation',
     },
-    'END_OF_LINE': {
+    'END_OF_LINE' + READLINE_SUFFIX: {
         'keys': ['ctrl e', 'end'],
         'help_text': 'End of line',
         'key_category': 'editor_navigation',
     },
-    'ONE_WORD_BACKWARD': {
+    'ONE_WORD_BACKWARD' + READLINE_SUFFIX: {
         'keys': ['meta b', 'shift left'],
         'help_text': 'Start of current or previous word',
         'key_category': 'editor_navigation',
     },
-    'ONE_WORD_FORWARD': {
+    'ONE_WORD_FORWARD' + READLINE_SUFFIX: {
         'keys': ['meta f', 'shift right'],
         'help_text': 'Start of next word',
         'key_category': 'editor_navigation',
     },
-    'PREV_LINE': {
+    'PREV_LINE' + READLINE_SUFFIX: {
         'keys': ['up', 'ctrl p'],
         'help_text': 'Previous line',
         'key_category': 'editor_navigation',
     },
-    'NEXT_LINE': {
+    'NEXT_LINE' + READLINE_SUFFIX: {
         'keys': ['down', 'ctrl n'],
         'help_text': 'Next line',
         'key_category': 'editor_navigation',
     },
-    'UNDO_LAST_ACTION': {
+    'UNDO_LAST_ACTION' + READLINE_SUFFIX: {
         'keys': ['ctrl _'],
         'help_text': 'Undo last action',
         'key_category': 'editor_text_manipulation',
     },
-    'CLEAR_MESSAGE': {
+    'CLEAR_MESSAGE' + READLINE_SUFFIX: {
         'keys': ['ctrl l'],
         'help_text': 'Clear text box',
         'key_category': 'editor_text_manipulation',
     },
-    'CUT_TO_END_OF_LINE': {
+    'CUT_TO_END_OF_LINE' + READLINE_SUFFIX: {
         'keys': ['ctrl k'],
         'help_text': 'Cut forwards to the end of the line',
         'key_category': 'editor_text_manipulation',
     },
-    'CUT_TO_START_OF_LINE': {
+    'CUT_TO_START_OF_LINE' + READLINE_SUFFIX: {
         'keys': ['ctrl u'],
         'help_text': 'Cut backwards to the start of the line',
         'key_category': 'editor_text_manipulation',
     },
-    'CUT_TO_END_OF_WORD': {
+    'CUT_TO_END_OF_WORD' + READLINE_SUFFIX: {
         'keys': ['meta d'],
         'help_text': 'Cut forwards to the end of the current word',
         'key_category': 'editor_text_manipulation',
     },
-    'CUT_TO_START_OF_WORD': {
+    'CUT_TO_START_OF_WORD' + READLINE_SUFFIX: {
         'keys': ['ctrl w', 'meta backspace'],
         'help_text': 'Cut backwards to the start of the current word',
         'key_category': 'editor_text_manipulation',
     },
-    'CUT_WHOLE_LINE': {
+    'CUT_WHOLE_LINE' + READLINE_SUFFIX: {
         'keys': ['meta x'],
         'help_text': 'Cut the current line',
         'key_category': 'editor_text_manipulation',
     },
-    'PASTE_LAST_CUT': {
+    'PASTE_LAST_CUT' + READLINE_SUFFIX: {
         'keys': ['ctrl y'],
         'help_text': 'Paste last cut section',
         'key_category': 'editor_text_manipulation',
     },
-    'DELETE_LAST_CHARACTER': {
+    'DELETE_LAST_CHARACTER' + READLINE_SUFFIX: {
         'keys': ['ctrl h'],
         'help_text': 'Delete previous character',
         'key_category': 'editor_text_manipulation',
     },
-    'TRANSPOSE_CHARACTERS': {
+    'TRANSPOSE_CHARACTERS' + READLINE_SUFFIX: {
         'keys': ['ctrl t'],
         'help_text': 'Swap with previous character',
         'key_category': 'editor_text_manipulation',