Add vterm-ignore-cursor-change

Author: Azkae

vterm-module.c

@@ -725,6 +725,8 @@ static int term_settermprop(VTermProp prop, VTermValue *val, void *user_data) {
   Term *term = (Term *)user_data;
   switch (prop) {
   case VTERM_PROP_CURSORVISIBLE:
+    if (term->ignore_cursor_change)
+      break;
     invalidate_terminal(term, term->cursor.row, term->cursor.row + 1);
     term->cursor.cursor_visible = val->boolean;
     term->cursor.cursor_type_changed = true;
@@ -737,6 +739,8 @@ static int term_settermprop(VTermProp prop, VTermValue *val, void *user_data) {
     term->cursor.cursor_blink_changed = true;
     break;
   case VTERM_PROP_CURSORSHAPE:
+    if (term->ignore_cursor_change)
+      break;
     invalidate_terminal(term, term->cursor.row, term->cursor.row + 1);
     term->cursor.cursor_type = val->number;
     term->cursor.cursor_type_changed = true;
@@ -1234,6 +1238,7 @@ emacs_value Fvterm_new(emacs_env *env, ptrdiff_t nargs, emacs_value args[],
   int disable_inverse_video = env->is_not_nil(env, args[5]);
   int ignore_blink_cursor = env->is_not_nil(env, args[6]);
   int set_bold_highbright = env->is_not_nil(env, args[7]);
+  int ignore_cursor_change = env->is_not_nil(env, args[8]);
 
   term->vt = vterm_new(rows, cols);
   vterm_set_utf8(term->vt, 1);
@@ -1269,6 +1274,7 @@ emacs_value Fvterm_new(emacs_env *env, ptrdiff_t nargs, emacs_value args[],
   term->disable_underline = disable_underline;
   term->disable_inverse_video = disable_inverse_video;
   term->ignore_blink_cursor = ignore_blink_cursor;
+  term->ignore_cursor_change = ignore_cursor_change;
   emacs_value newline = env->make_string(env, "\n", 1);
   for (int i = 0; i < term->height; i++) {
     insert(env, newline);
@@ -1514,7 +1520,7 @@ int emacs_module_init(struct emacs_runtime *ert) {
   // Exported functions
   emacs_value fun;
   fun =
-      env->make_function(env, 4, 8, Fvterm_new, "Allocate a new vterm.", NULL);
+      env->make_function(env, 4, 9, Fvterm_new, "Allocate a new vterm.", NULL);
   bind_function(env, "vterm--new", fun);
 
   fun = env->make_function(env, 1, 5, Fvterm_update,

vterm-module.h

@@ -118,6 +118,7 @@ typedef struct Term {
   bool disable_underline;
   bool disable_inverse_video;
   bool ignore_blink_cursor;
+  bool ignore_cursor_change;
 
   char *cmd_buffer;
 

vterm.el

@@ -400,6 +400,11 @@ you can use `M-x blink-cursor-mode` to toggle."
   :type 'boolean
   :group 'vterm)
 
+(defcustom vterm-ignore-cursor-change nil
+  "When t, vterm will ignore request from application to modify cursor shape or visibility."
+  :type 'boolean
+  :group 'vterm)
+
 (defcustom vterm-copy-exclude-prompt t
   "When not-nil, the prompt is not included by `vterm-copy-mode-done'."
   :type 'boolean
@@ -778,7 +783,8 @@ Exceptions are defined by `vterm-keymap-exceptions'."
                                   vterm-disable-underline
                                   vterm-disable-inverse-video
                                   vterm-ignore-blink-cursor
-                                  vterm-set-bold-highbright))
+                                  vterm-set-bold-highbright
+                                  vterm-ignore-cursor-change))
     (setq buffer-read-only t)
     (setq-local scroll-conservatively 101)
     (setq-local scroll-margin 0)