From f76504249b2fd7aa597290b1c7337be2e865bf5d Mon Sep 17 00:00:00 2001
From: serr <sc7227484@gmail.com>
Date: Tue, 4 Feb 2025 21:08:48 +0300
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---
 mvc/models.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/mvc/models.py b/mvc/models.py
index 4d18887..ce79495 100644
--- a/mvc/models.py
+++ b/mvc/models.py
@@ -93,6 +93,16 @@ class VimModel:
                         self.currentCol = right_space_index
                     else:
                         self.currentCol = len(self.displayBuffer[self.currentLine])
+            case "b": # Перемещает курсор в конец в начало слова слева от курсора
+                line = ''.join(self.displayBuffer[self.currentLine])
+                non_space_index = next((i for i in range(self.currentCol - 1, -1, -1) if line[i] != ' '), None)
+                if non_space_index is not None:
+                    left_space_index = line.rfind(' ', 0, non_space_index)
+                    if left_space_index != -1:
+                        self.currentCol = left_space_index + 1
+                    else:
+                        self.currentCol = 0
+
 
     def Enter(self) -> None:
         # Разделяем текущую строку на две части