commit 05b27615481e72e3b338bb12990fb3e0c2ecc2a9
author Bram Moolenaar <Bram@vim.org> Thu Jan 20 13:32:50 2022 +0000
committer Bram Moolenaar <Bram@vim.org> Thu Jan 20 13:32:50 2022 +0000
tree 2bc73f0f7efd680d83cd1a9168fe2747d2dfea52
parent 4ac893f32109f29349661322676e5b81eb169b74

patch 8.2.4154: ml_get error when exchanging windows in Visual mode

Problem:    ml_get error when exchanging windows in Visual mode.
Solution:   Correct end of Visual area when entering another buffer.

src/window.c

diff --git a/src/window.c b/src/window.c
index 05e85ba..7425727 100644
--- a/src/window.c
+++ b/src/window.c
@@ -1691,6 +1691,11 @@
 
     (void)win_comp_pos();		// recompute window positions
 
+    if (wp->w_buffer != curbuf)
+	reset_VIsual_and_resel();
+    else if (VIsual_active)
+	wp->w_cursor = curwin->w_cursor;
+
     win_enter(wp, TRUE);
     redraw_all_later(NOT_VALID);
 }
@@ -5332,7 +5337,7 @@
 win_alloc_lines(win_T *wp)
 {
     wp->w_lines_valid = 0;
-    wp->w_lines = ALLOC_CLEAR_MULT(wline_T, Rows );
+    wp->w_lines = ALLOC_CLEAR_MULT(wline_T, Rows);
     if (wp->w_lines == NULL)
 	return FAIL;
     return OK;