vim-patch:9.0.0194: cursor displayed in wrong position after removing text prop (#22706)

Problem:    Cursor displayed in wrong position after removing text prop. (Ben
            Jackson)
Solution:   Invalidate the cursor position. (closes vim/vim#10898)

326c5d36e7

Co-authored-by: Bram Moolenaar <Bram@vim.org>

src/nvim/change.c

@@ -446,6 +446,7 @@ void deleted_lines_mark(linenr_T lnum, long count)
 }
 
 /// Marks the area to be redrawn after a change.
+/// Consider also calling changed_line_display_buf().
 ///
 /// @param buf the buffer where lines were changed
 /// @param lnum first line with change

src/nvim/decoration.c

@@ -11,6 +11,7 @@
 #include "nvim/highlight.h"
 #include "nvim/highlight_group.h"
 #include "nvim/memory.h"
+#include "nvim/move.h"
 #include "nvim/pos.h"
 #include "nvim/sign_defs.h"
 
@@ -86,6 +87,7 @@ void decor_redraw(buf_T *buf, int row1, int row2, Decoration *decor)
 
   if (decor && kv_size(decor->virt_lines)) {
     redraw_buf_line_later(buf, row1 + 1 + (decor->virt_lines_above?0:1), true);
+    changed_line_display_buf(buf);
   }
 }
 

src/nvim/move.c

@@ -471,6 +471,19 @@ void changed_line_abv_curs_win(win_T *wp)
                    |VALID_CHEIGHT|VALID_TOPLINE);
 }
 
+/// Display of line has changed for "buf", invalidate cursor position and
+/// w_botline.
+void changed_line_display_buf(buf_T *buf)
+{
+  FOR_ALL_WINDOWS_IN_TAB(wp, curtab) {
+    if (wp->w_buffer == buf) {
+      wp->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL
+                       |VALID_CROW|VALID_CHEIGHT
+                       |VALID_TOPLINE|VALID_BOTLINE|VALID_BOTLINE_AP);
+    }
+  }
+}
+
 // Make sure the value of curwin->w_botline is valid.
 void validate_botline(win_T *wp)
 {