In the end I did the patch. Thanks in advance for your review

---
 gtkgreet/window.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/gtkgreet/window.c b/gtkgreet/window.c
index dcde118..d9ddde1 100644
--- a/gtkgreet/window.c
+++ b/gtkgreet/window.c
@@ -61,6 +61,18 @@ void window_update_clock(struct Window *ctx) {
     gtk_label_set_markup((GtkLabel*)ctx->clock_label, time);
 }
 
+void on_visibility_icon_press(GtkWidget *widget, gpointer data) {
+    gboolean visible = gtk_entry_get_visibility(GTK_ENTRY(widget));
[message trimmed]

---
 aacebedo | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 aacebedo

diff --git a/aacebedo b/aacebedo
new file mode 100644
index 0000000..6d0ecfd
--- /dev/null
+++ b/aacebedo
@@ -0,0 +1 @@
+I'm about to try git send-email
-- 
2.44.1
[message trimmed]

Hi,

First, thanks for gtkgreet it is really awesome.

I was wondering if it would be possible to add a small "show password" icon in the password field?

gtklock (https://github.com/jovanlanik/gtklock) is doing it and it matches very well with gtkgreet.

Regards