feat: add cursor-based editing to text inputs (#3698)

* feat: add cursor-based editing to text inputs

refs #1803

* fix: preserve dialog actions with associated text

refs #1803

* refactor: simplify text editor outcomes and tests

refs #1803

---------

Co-authored-by: JJ Liebig <jonathan.liebig@gmail.com>

1 files changed, 2 insertions, 24 deletions

diff --git a/src/client/shell.rs b/src/client/shell.rs
index c6c7f2ed..95ee5e78 100644
--- a/src/client/shell.rs
+++ b/src/client/shell.rs
@@ -32,8 +32,10 @@ mod scroll;
 mod settings;
 mod state;
 mod surface_patch;
+mod text_editor;
 mod word_selection;
 mod worktrees;
+use text_editor::TextEditor;
 use word_selection::ClientWordSelection;
 
 pub(in crate::client::shell) use render::sidebar;
@@ -64,30 +66,6 @@ use crate::protocol::{
 #[cfg(test)]
 use crate::raw_input::RawInputEvent;
 
-fn delete_overlay_word(rename: &mut ClientRenameOverlay) {
-    if rename.replace_on_type {
-        rename.input.clear();
-        rename.replace_on_type = false;
-        return;
-    }
-    while rename.input.chars().last().is_some_and(char::is_whitespace) {
-        rename.input.pop();
-    }
-    let Some(word) = rename
-        .input
-        .chars()
-        .last()
-        .map(|character| character.is_alphanumeric() || character == '_')
-    else {
-        return;
-    };
-    while rename.input.chars().last().is_some_and(|character| {
-        !character.is_whitespace() && (character.is_alphanumeric() || character == '_') == word
-    }) {
-        rename.input.pop();
-    }
-}
-
 fn target_event_message(target: ClientInputTarget, event: ClientPaneInputEvent) -> ClientMessage {
     match target {
         ClientInputTarget::Pane(pane_id) => ClientMessage::ClientShellPaneInput {