From d3e66721e9e25394f8547abc38d76c48abce71bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rodrigo=20Gir=C3=A3o=20Serr=C3=A3o?=
 <5621605+rodrigogiraoserrao@users.noreply.github.com>
Date: Tue, 7 Feb 2023 17:59:57 +0000
Subject: [PATCH 1/4] Change emit to post to self.

---
 CHANGELOG.md                |  1 +
 src/textual/message_pump.py | 14 ++++----------
 2 files changed, 5 insertions(+), 10 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index b9f38a6ca7..872e70cbbb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - Breaking change: `TreeNode` can no longer be imported from `textual.widgets`; it is now available via `from textual.widgets.tree import TreeNode`. https://github.com/Textualize/textual/pull/1637
 - `Tree` now shows a (subdued) cursor for a highlighted node when focus has moved elsewhere https://github.com/Textualize/textual/issues/1471
+- `MessagePump.emit` and `MessagePump.emit_no_wait` now emit events to self instead of to the parent
 
 ### Fixed
 
diff --git a/src/textual/message_pump.py b/src/textual/message_pump.py
index d79e0764c2..1f0ab546e7 100644
--- a/src/textual/message_pump.py
+++ b/src/textual/message_pump.py
@@ -581,7 +581,7 @@ async def on_callback(self, event: events.Callback) -> None:
         await invoke(event.callback)
 
     def emit_no_wait(self, message: Message) -> bool:
-        """Send a message to the _parent_, non async version.
+        """Send a message to self, non-async version.
 
         Args:
             message: A message object.
@@ -589,13 +589,10 @@ def emit_no_wait(self, message: Message) -> bool:
         Returns:
             True if the message was posted successfully.
         """
-        if self._parent:
-            return self._parent._post_message_from_child_no_wait(message)
-        else:
-            return False
+        return self.post_message_no_wait(message)
 
     async def emit(self, message: Message) -> bool:
-        """Send a message to the _parent_.
+        """Send a message to self.
 
         Args:
             message: A message object.
@@ -603,10 +600,7 @@ async def emit(self, message: Message) -> bool:
         Returns:
             True if the message was posted successfully.
         """
-        if self._parent:
-            return await self._parent._post_message_from_child(message)
-        else:
-            return False
+        return await self.post_message(message)
 
     # TODO: Does dispatch_key belong on message pump?
     async def dispatch_key(self, event: events.Key) -> bool:

From bd719e057fc414368e5aaf03099c873e91e512f5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rodrigo=20Gir=C3=A3o=20Serr=C3=A3o?=
 <5621605+rodrigogiraoserrao@users.noreply.github.com>
Date: Wed, 8 Feb 2023 10:39:53 +0000
Subject: [PATCH 2/4] Remove MessagePump.emit .emit_no_wait.

---
 CHANGELOG.md                           |  5 ++-
 src/textual/scrollbar.py               |  8 +++--
 src/textual/widget.py                  |  4 +--
 src/textual/widgets/_button.py         |  4 +--
 src/textual/widgets/_checkbox.py       |  6 ++--
 src/textual/widgets/_data_table.py     | 50 +++++++++++++-------------
 src/textual/widgets/_directory_tree.py |  6 ++--
 src/textual/widgets/_input.py          |  8 ++---
 src/textual/widgets/_list_item.py      |  2 +-
 src/textual/widgets/_list_view.py      | 10 +++---
 10 files changed, 55 insertions(+), 48 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 872e70cbbb..87edabf698 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,7 +24,6 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - Breaking change: `TreeNode` can no longer be imported from `textual.widgets`; it is now available via `from textual.widgets.tree import TreeNode`. https://github.com/Textualize/textual/pull/1637
 - `Tree` now shows a (subdued) cursor for a highlighted node when focus has moved elsewhere https://github.com/Textualize/textual/issues/1471
-- `MessagePump.emit` and `MessagePump.emit_no_wait` now emit events to self instead of to the parent
 
 ### Fixed
 
@@ -40,6 +39,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Fixed issue with app not processing Paste event https://github.com/Textualize/textual/issues/1666
 - Fixed glitch with view position with auto width inputs https://github.com/Textualize/textual/issues/1693
 
+### Removed
+
+- Methods `MessagePump.emit` and `MessagePump.emit_no_wait` https://github.com/Textualize/textual/pull/1738
+
 ## [0.10.1] - 2023-01-20
 
 ### Added
diff --git a/src/textual/scrollbar.py b/src/textual/scrollbar.py
index ad8a99e7e0..12e1fd65d3 100644
--- a/src/textual/scrollbar.py
+++ b/src/textual/scrollbar.py
@@ -280,10 +280,12 @@ def _on_leave(self, event: events.Leave) -> None:
         self.mouse_over = False
 
     async def action_scroll_down(self) -> None:
-        await self.emit(ScrollDown(self) if self.vertical else ScrollRight(self))
+        await self.post_message(
+            ScrollDown(self) if self.vertical else ScrollRight(self)
+        )
 
     async def action_scroll_up(self) -> None:
-        await self.emit(ScrollUp(self) if self.vertical else ScrollLeft(self))
+        await self.post_message(ScrollUp(self) if self.vertical else ScrollLeft(self))
 
     def action_grab(self) -> None:
         self.capture_mouse()
@@ -324,7 +326,7 @@ async def _on_mouse_move(self, event: events.MouseMove) -> None:
                         * (self.window_virtual_size / self.window_size)
                     )
                 )
-            await self.emit(ScrollTo(self, x=x, y=y))
+            await self.post_message(ScrollTo(self, x=x, y=y))
         event.stop()
 
     async def _on_click(self, event: events.Click) -> None:
diff --git a/src/textual/widget.py b/src/textual/widget.py
index 4b2a6973f3..5bd204c9e9 100644
--- a/src/textual/widget.py
+++ b/src/textual/widget.py
@@ -2465,12 +2465,12 @@ def _on_enter(self, event: events.Enter) -> None:
     def _on_focus(self, event: events.Focus) -> None:
         self.has_focus = True
         self.refresh()
-        self.emit_no_wait(events.DescendantFocus(self))
+        self.post_message_no_wait(events.DescendantFocus(self))
 
     def _on_blur(self, event: events.Blur) -> None:
         self.has_focus = False
         self.refresh()
-        self.emit_no_wait(events.DescendantBlur(self))
+        self.post_message_no_wait(events.DescendantBlur(self))
 
     def _on_descendant_blur(self, event: events.DescendantBlur) -> None:
         if self._has_focus_within:
diff --git a/src/textual/widgets/_button.py b/src/textual/widgets/_button.py
index 12518445bb..ade5a1fd8e 100644
--- a/src/textual/widgets/_button.py
+++ b/src/textual/widgets/_button.py
@@ -255,7 +255,7 @@ def press(self) -> None:
         # Manage the "active" effect:
         self._start_active_affect()
         # ...and let other components know that we've just been clicked:
-        self.emit_no_wait(Button.Pressed(self))
+        self.post_message_no_wait(Button.Pressed(self))
 
     def _start_active_affect(self) -> None:
         """Start a small animation to show the button was clicked."""
@@ -267,7 +267,7 @@ def _start_active_affect(self) -> None:
     async def _on_key(self, event: events.Key) -> None:
         if event.key == "enter" and not self.disabled:
             self._start_active_affect()
-            await self.emit(Button.Pressed(self))
+            await self.post_message(Button.Pressed(self))
 
     @classmethod
     def success(
diff --git a/src/textual/widgets/_checkbox.py b/src/textual/widgets/_checkbox.py
index 305858faf3..9b5b1b454d 100644
--- a/src/textual/widgets/_checkbox.py
+++ b/src/textual/widgets/_checkbox.py
@@ -77,7 +77,7 @@ class Checkbox(Widget, can_focus=True):
     """The position of the slider."""
 
     class Changed(Message, bubble=True):
-        """Emitted when the status of the checkbox changes.
+        """Posted when the status of the checkbox changes.
 
         Can be handled using `on_checkbox_changed` in a subclass of `Checkbox`
         or in a parent widget in the DOM.
@@ -122,7 +122,7 @@ def watch_value(self, value: bool) -> None:
             self.animate("slider_pos", target_slider_pos, duration=0.3)
         else:
             self.slider_pos = target_slider_pos
-        self.emit_no_wait(self.Changed(self, self.value))
+        self.post_message_no_wait(self.Changed(self, self.value))
 
     def watch_slider_pos(self, slider_pos: float) -> None:
         self.set_class(slider_pos == 1, "-on")
@@ -151,5 +151,5 @@ def action_toggle(self) -> None:
 
     def toggle(self) -> None:
         """Toggle the checkbox value. As a result of the value changing,
-        a Checkbox.Changed message will be emitted."""
+        a Checkbox.Changed message will be posted."""
         self.value = not self.value
diff --git a/src/textual/widgets/_data_table.py b/src/textual/widgets/_data_table.py
index bd4ecc6d32..79b8e44850 100644
--- a/src/textual/widgets/_data_table.py
+++ b/src/textual/widgets/_data_table.py
@@ -190,9 +190,9 @@ class DataTable(ScrollView, Generic[CellType], can_focus=True):
     hover_cell: Reactive[Coordinate] = Reactive(Coordinate(0, 0), repaint=False)
 
     class CellHighlighted(Message, bubble=True):
-        """Emitted when the cursor moves to highlight a new cell.
+        """Posted when the cursor moves to highlight a new cell.
         It's only relevant when the `cursor_type` is `"cell"`.
-        It's also emitted when the cell cursor is re-enabled (by setting `show_cursor=True`),
+        It's also posted when the cell cursor is re-enabled (by setting `show_cursor=True`),
         and when the cursor type is changed to `"cell"`. Can be handled using
         `on_data_table_cell_highlighted` in a subclass of `DataTable` or in a parent
         widget in the DOM.
@@ -215,7 +215,7 @@ def __rich_repr__(self) -> rich.repr.Result:
             yield "coordinate", self.coordinate
 
     class CellSelected(Message, bubble=True):
-        """Emitted by the `DataTable` widget when a cell is selected.
+        """Posted by the `DataTable` widget when a cell is selected.
         It's only relevant when the `cursor_type` is `"cell"`. Can be handled using
         `on_data_table_cell_selected` in a subclass of `DataTable` or in a parent
         widget in the DOM.
@@ -238,7 +238,7 @@ def __rich_repr__(self) -> rich.repr.Result:
             yield "coordinate", self.coordinate
 
     class RowHighlighted(Message, bubble=True):
-        """Emitted when a row is highlighted. This message is only emitted when the
+        """Posted when a row is highlighted. This message is only posted when the
         `cursor_type` is set to `"row"`. Can be handled using `on_data_table_row_highlighted`
         in a subclass of `DataTable` or in a parent widget in the DOM.
 
@@ -255,7 +255,7 @@ def __rich_repr__(self) -> rich.repr.Result:
             yield "cursor_row", self.cursor_row
 
     class RowSelected(Message, bubble=True):
-        """Emitted when a row is selected. This message is only emitted when the
+        """Posted when a row is selected. This message is only posted when the
         `cursor_type` is set to `"row"`. Can be handled using
         `on_data_table_row_selected` in a subclass of `DataTable` or in a parent
         widget in the DOM.
@@ -273,7 +273,7 @@ def __rich_repr__(self) -> rich.repr.Result:
             yield "cursor_row", self.cursor_row
 
     class ColumnHighlighted(Message, bubble=True):
-        """Emitted when a column is highlighted. This message is only emitted when the
+        """Posted when a column is highlighted. This message is only posted when the
         `cursor_type` is set to `"column"`. Can be handled using
         `on_data_table_column_highlighted` in a subclass of `DataTable` or in a parent
         widget in the DOM.
@@ -291,7 +291,7 @@ def __rich_repr__(self) -> rich.repr.Result:
             yield "cursor_column", self.cursor_column
 
     class ColumnSelected(Message, bubble=True):
-        """Emitted when a column is selected. This message is only emitted when the
+        """Posted when a column is selected. This message is only posted when the
         `cursor_type` is set to `"column"`. Can be handled using
         `on_data_table_column_selected` in a subclass of `DataTable` or in a parent
         widget in the DOM.
@@ -405,7 +405,7 @@ def watch_show_cursor(self, show_cursor: bool) -> None:
         self._clear_caches()
         if show_cursor and self.cursor_type != "none":
             # When we re-enable the cursor, apply highlighting and
-            # emit the appropriate [Row|Column|Cell]Highlighted event.
+            # post the appropriate [Row|Column|Cell]Highlighted event.
             self._scroll_cursor_into_view(animate=False)
             if self.cursor_type == "cell":
                 self._highlight_cell(self.cursor_cell)
@@ -431,7 +431,7 @@ def watch_cursor_cell(
         self, old_coordinate: Coordinate, new_coordinate: Coordinate
     ) -> None:
         if old_coordinate != new_coordinate:
-            # Refresh the old and the new cell, and emit the appropriate
+            # Refresh the old and the new cell, and post the appropriate
             # message to tell users of the newly highlighted row/cell/column.
             if self.cursor_type == "cell":
                 self.refresh_cell(*old_coordinate)
@@ -444,7 +444,7 @@ def watch_cursor_cell(
                 self._highlight_column(new_coordinate.column)
 
     def _highlight_cell(self, coordinate: Coordinate) -> None:
-        """Apply highlighting to the cell at the coordinate, and emit event."""
+        """Apply highlighting to the cell at the coordinate, and post event."""
         self.refresh_cell(*coordinate)
         try:
             cell_value = self.get_cell_value(coordinate)
@@ -453,19 +453,21 @@ def _highlight_cell(self, coordinate: Coordinate) -> None:
             # In that case, there's nothing for us to do here.
             return
         else:
-            self.emit_no_wait(DataTable.CellHighlighted(self, cell_value, coordinate))
+            self.post_message_no_wait(
+                DataTable.CellHighlighted(self, cell_value, coordinate)
+            )
 
     def _highlight_row(self, row_index: int) -> None:
-        """Apply highlighting to the row at the given index, and emit event."""
+        """Apply highlighting to the row at the given index, and post event."""
         self.refresh_row(row_index)
         if row_index in self.data:
-            self.emit_no_wait(DataTable.RowHighlighted(self, row_index))
+            self.post_message_no_wait(DataTable.RowHighlighted(self, row_index))
 
     def _highlight_column(self, column_index: int) -> None:
-        """Apply highlighting to the column at the given index, and emit event."""
+        """Apply highlighting to the column at the given index, and post event."""
         self.refresh_column(column_index)
         if column_index < len(self.columns):
-            self.emit_no_wait(DataTable.ColumnHighlighted(self, column_index))
+            self.post_message_no_wait(DataTable.ColumnHighlighted(self, column_index))
 
     def validate_cursor_cell(self, value: Coordinate) -> Coordinate:
         return self._clamp_cursor_cell(value)
@@ -641,7 +643,7 @@ def add_row(self, *cells: CellType, height: int = 1) -> None:
 
         # If a position has opened for the cursor to appear, where it previously
         # could not (e.g. when there's no data in the table), then a highlighted
-        # event is emitted, since there's now a highlighted cell when there wasn't
+        # event is posted, since there's now a highlighted cell when there wasn't
         # before.
         cell_now_available = self.row_count == 1 and len(self.columns) > 0
         visible_cursor = self.show_cursor and self.cursor_type != "none"
@@ -1039,8 +1041,8 @@ def _set_hover_cursor(self, active: bool) -> None:
     def on_click(self, event: events.Click) -> None:
         self._set_hover_cursor(True)
         if self.show_cursor and self.cursor_type != "none":
-            # Only emit selection events if there is a visible row/col/cell cursor.
-            self._emit_selected_message()
+            # Only post selection events if there is a visible row/col/cell cursor.
+            self._post_message_selected_message()
             meta = self.get_style_at(event.x, event.y).meta
             if meta:
                 self.cursor_cell = Coordinate(meta["row"], meta["column"])
@@ -1088,14 +1090,14 @@ def action_cursor_left(self) -> None:
     def action_select_cursor(self) -> None:
         self._set_hover_cursor(False)
         if self.show_cursor and self.cursor_type != "none":
-            self._emit_selected_message()
+            self._post_selected_message()
 
-    def _emit_selected_message(self):
-        """Emit the appropriate message for a selection based on the `cursor_type`."""
+    def _post_selected_message(self):
+        """Post the appropriate message for a selection based on the `cursor_type`."""
         cursor_cell = self.cursor_cell
         cursor_type = self.cursor_type
         if cursor_type == "cell":
-            self.emit_no_wait(
+            self.post_message_no_wait(
                 DataTable.CellSelected(
                     self,
                     self.get_cell_value(cursor_cell),
@@ -1104,7 +1106,7 @@ def _emit_selected_message(self):
             )
         elif cursor_type == "row":
             row, _ = cursor_cell
-            self.emit_no_wait(DataTable.RowSelected(self, row))
+            self.post_message_no_wait(DataTable.RowSelected(self, row))
         elif cursor_type == "column":
             _, column = cursor_cell
-            self.emit_no_wait(DataTable.ColumnSelected(self, column))
+            self.post_message_no_wait(DataTable.ColumnSelected(self, column))
diff --git a/src/textual/widgets/_directory_tree.py b/src/textual/widgets/_directory_tree.py
index 40282e03f6..5b4845c05f 100644
--- a/src/textual/widgets/_directory_tree.py
+++ b/src/textual/widgets/_directory_tree.py
@@ -67,7 +67,7 @@ class DirectoryTree(Tree[DirEntry]):
     """
 
     class FileSelected(Message, bubble=True):
-        """Emitted when a file is selected.
+        """Posted when a file is selected.
 
         Can be handled using `on_directory_tree_file_selected` in a subclass of
         `DirectoryTree` or in a parent widget in the DOM.
@@ -173,7 +173,7 @@ def on_tree_node_expanded(self, event: Tree.NodeSelected) -> None:
             if not dir_entry.loaded:
                 self.load_directory(event.node)
         else:
-            self.emit_no_wait(self.FileSelected(self, dir_entry.path))
+            self.post_message_no_wait(self.FileSelected(self, dir_entry.path))
 
     def on_tree_node_selected(self, event: Tree.NodeSelected) -> None:
         event.stop()
@@ -181,4 +181,4 @@ def on_tree_node_selected(self, event: Tree.NodeSelected) -> None:
         if dir_entry is None:
             return
         if not dir_entry.is_dir:
-            self.emit_no_wait(self.FileSelected(self, dir_entry.path))
+            self.post_message_no_wait(self.FileSelected(self, dir_entry.path))
diff --git a/src/textual/widgets/_input.py b/src/textual/widgets/_input.py
index 278ab3a885..d449efee04 100644
--- a/src/textual/widgets/_input.py
+++ b/src/textual/widgets/_input.py
@@ -139,7 +139,7 @@ class Input(Widget, can_focus=True):
     max_size: reactive[int | None] = reactive(None)
 
     class Changed(Message, bubble=True):
-        """Emitted when the value changes.
+        """Posted when the value changes.
 
         Can be handled using `on_input_changed` in a subclass of `Input` or in a parent
         widget in the DOM.
@@ -155,7 +155,7 @@ def __init__(self, sender: Input, value: str) -> None:
             self.input: Input = sender
 
     class Submitted(Message, bubble=True):
-        """Emitted when the enter key is pressed within an `Input`.
+        """Posted when the enter key is pressed within an `Input`.
 
         Can be handled using `on_input_submitted` in a subclass of `Input` or in a
         parent widget in the DOM.
@@ -244,7 +244,7 @@ def watch_cursor_position(self, cursor_position: int) -> None:
     async def watch_value(self, value: str) -> None:
         if self.styles.auto_dimensions:
             self.refresh(layout=True)
-        await self.emit(self.Changed(self, value))
+        await self.post_message(self.Changed(self, value))
 
     @property
     def cursor_width(self) -> int:
@@ -479,4 +479,4 @@ def action_delete_left_all(self) -> None:
             self.cursor_position = 0
 
     async def action_submit(self) -> None:
-        await self.emit(self.Submitted(self, self.value))
+        await self.post_message(self.Submitted(self, self.value))
diff --git a/src/textual/widgets/_list_item.py b/src/textual/widgets/_list_item.py
index f1af8c4166..e9222a7aac 100644
--- a/src/textual/widgets/_list_item.py
+++ b/src/textual/widgets/_list_item.py
@@ -34,7 +34,7 @@ class _ChildClicked(Message):
         pass
 
     def on_click(self, event: events.Click) -> None:
-        self.emit_no_wait(self._ChildClicked(self))
+        self.post_message_no_wait(self._ChildClicked(self))
 
     def watch_highlighted(self, value: bool) -> None:
         self.set_class(value, "--highlight")
diff --git a/src/textual/widgets/_list_view.py b/src/textual/widgets/_list_view.py
index a4a530e2ee..6e391d8626 100644
--- a/src/textual/widgets/_list_view.py
+++ b/src/textual/widgets/_list_view.py
@@ -35,7 +35,7 @@ class ListView(Vertical, can_focus=True, can_focus_children=False):
     index = reactive(0, always_update=True)
 
     class Highlighted(Message, bubble=True):
-        """Emitted when the highlighted item changes.
+        """Posted when the highlighted item changes.
 
         Highlighted item is controlled using up/down keys.
         Can be handled using `on_list_view_highlighted` in a subclass of `ListView`
@@ -50,7 +50,7 @@ def __init__(self, sender: ListView, item: ListItem | None) -> None:
             self.item: ListItem | None = item
 
     class Selected(Message, bubble=True):
-        """Emitted when a list item is selected, e.g. when you press the enter key on it.
+        """Posted when a list item is selected, e.g. when you press the enter key on it.
 
         Can be handled using `on_list_view_selected` in a subclass of `ListView` or in
         a parent widget in the DOM.
@@ -125,7 +125,7 @@ def watch_index(self, old_index: int, new_index: int) -> None:
             new_child = None
 
         self._scroll_highlighted_region()
-        self.emit_no_wait(self.Highlighted(self, new_child))
+        self.post_message_no_wait(self.Highlighted(self, new_child))
 
     def append(self, item: ListItem) -> AwaitMount:
         """Append a new ListItem to the end of the ListView.
@@ -155,7 +155,7 @@ def clear(self) -> AwaitRemove:
 
     def action_select_cursor(self) -> None:
         selected_child = self.highlighted_child
-        self.emit_no_wait(self.Selected(self, selected_child))
+        self.post_message_no_wait(self.Selected(self, selected_child))
 
     def action_cursor_down(self) -> None:
         self.index += 1
@@ -166,7 +166,7 @@ def action_cursor_up(self) -> None:
     def on_list_item__child_clicked(self, event: ListItem._ChildClicked) -> None:
         self.focus()
         self.index = self.children.index(event.sender)
-        self.emit_no_wait(self.Selected(self, event.sender))
+        self.post_message_no_wait(self.Selected(self, event.sender))
 
     def _scroll_highlighted_region(self) -> None:
         """Used to keep the highlighted index within vision"""

From e5e7c08afe0f7ad49d5b7197daf83de937435db1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rodrigo=20Gir=C3=A3o=20Serr=C3=A3o?=
 <5621605+rodrigogiraoserrao@users.noreply.github.com>
Date: Wed, 8 Feb 2023 10:53:51 +0000
Subject: [PATCH 3/4] Update docs accordingly.

---
 .../on-dog-food-the-original-metaverse-and-not-being-bored.md | 2 +-
 docs/examples/events/custom01.py                              | 4 ++--
 docs/guide/events.md                                          | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/docs/blog/posts/on-dog-food-the-original-metaverse-and-not-being-bored.md b/docs/blog/posts/on-dog-food-the-original-metaverse-and-not-being-bored.md
index 076cb96b5f..494105cfbd 100644
--- a/docs/blog/posts/on-dog-food-the-original-metaverse-and-not-being-bored.md
+++ b/docs/blog/posts/on-dog-food-the-original-metaverse-and-not-being-bored.md
@@ -288,7 +288,7 @@ So, thanks to this bit of code in my `Activity` widget...
             parent.move_child(
                 self, before=parent.children.index( self ) - 1
             )
-            self.emit_no_wait( self.Moved( self ) )
+            self.post_messa_no_wait( self.Moved( self ) )
             self.scroll_visible( top=True )
 ```
 
diff --git a/docs/examples/events/custom01.py b/docs/examples/events/custom01.py
index 043b32ffc2..c96f2e0a9d 100644
--- a/docs/examples/events/custom01.py
+++ b/docs/examples/events/custom01.py
@@ -25,8 +25,8 @@ def on_mount(self) -> None:
         self.styles.border = ("tall", self.color)
 
     async def on_click(self) -> None:
-        # The emit method sends an event to a widget's parent
-        await self.emit(self.Selected(self, self.color))
+        # The post_message method sends an event to be handled in the DOM
+        await self.post_message(self.Selected(self, self.color))
 
     def render(self) -> str:
         return str(self.color)
diff --git a/docs/guide/events.md b/docs/guide/events.md
index 2fa5195c29..cefe87de27 100644
--- a/docs/guide/events.md
+++ b/docs/guide/events.md
@@ -110,7 +110,7 @@ The message class is defined within the widget class itself. This is not strictl
 
 ## Sending events
 
-In the previous example we used [emit()][textual.message_pump.MessagePump.emit] to send an event to its parent. We could also have used [emit_no_wait()][textual.message_pump.MessagePump.emit_no_wait] for non async code. Sending messages in this way allows you to write custom widgets without needing to know in what context they will be used.
+In the previous example we used [post_message()][textual.message_pump.MessagePump.post_message] to send an event to its parent. We could also have used [post_message_no_wait()][textual.message_pump.MessagePump.post_message_no_wait] for non async code. Sending messages in this way allows you to write custom widgets without needing to know in what context they will be used.
 
 There are other ways of sending (posting) messages, which you may need to use less frequently.
 

From c39b23f78df98a29a8826735d0268c713a9e066f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rodrigo=20Gir=C3=A3o=20Serr=C3=A3o?=
 <5621605+rodrigogiraoserrao@users.noreply.github.com>
Date: Wed, 8 Feb 2023 11:26:27 +0000
Subject: [PATCH 4/4] Final fixes.

---
 ...-original-metaverse-and-not-being-bored.md |  2 +-
 src/textual/message_pump.py                   | 22 -------------------
 2 files changed, 1 insertion(+), 23 deletions(-)

diff --git a/docs/blog/posts/on-dog-food-the-original-metaverse-and-not-being-bored.md b/docs/blog/posts/on-dog-food-the-original-metaverse-and-not-being-bored.md
index 494105cfbd..fab89158ce 100644
--- a/docs/blog/posts/on-dog-food-the-original-metaverse-and-not-being-bored.md
+++ b/docs/blog/posts/on-dog-food-the-original-metaverse-and-not-being-bored.md
@@ -288,7 +288,7 @@ So, thanks to this bit of code in my `Activity` widget...
             parent.move_child(
                 self, before=parent.children.index( self ) - 1
             )
-            self.post_messa_no_wait( self.Moved( self ) )
+            self.post_message_no_wait( self.Moved( self ) )
             self.scroll_visible( top=True )
 ```
 
diff --git a/src/textual/message_pump.py b/src/textual/message_pump.py
index 1f0ab546e7..4058139cec 100644
--- a/src/textual/message_pump.py
+++ b/src/textual/message_pump.py
@@ -580,28 +580,6 @@ def _post_message_from_child_no_wait(self, message: Message) -> bool:
     async def on_callback(self, event: events.Callback) -> None:
         await invoke(event.callback)
 
-    def emit_no_wait(self, message: Message) -> bool:
-        """Send a message to self, non-async version.
-
-        Args:
-            message: A message object.
-
-        Returns:
-            True if the message was posted successfully.
-        """
-        return self.post_message_no_wait(message)
-
-    async def emit(self, message: Message) -> bool:
-        """Send a message to self.
-
-        Args:
-            message: A message object.
-
-        Returns:
-            True if the message was posted successfully.
-        """
-        return await self.post_message(message)
-
     # TODO: Does dispatch_key belong on message pump?
     async def dispatch_key(self, event: events.Key) -> bool:
         """Dispatch a key event to method.