gtkimcontextwayland: Add native surface offset to input coordinates

We were missing the surface offset (e.g. shadows) at the time of expressing
the text caret location in surface coordinates. Add this offset so the
coordinates are as expected by the compositor.

Fixes: https://gitlab.gnome.org/GNOME/gtk/-/issues/4668

1 files changed, 6 insertions, 3 deletions

diff --git a/gtk/gtkimcontextwayland.c b/gtk/gtkimcontextwayland.c
index 60e1e466bf..e0259d0182 100644
--- a/gtk/gtkimcontextwayland.c
+++ b/gtk/gtkimcontextwayland.c
@@ -357,7 +357,7 @@ notify_cursor_location (GtkIMContextWayland *context)
 {
   GtkIMContextWaylandGlobal *global;
   cairo_rectangle_int_t rect;
-  double x, y;
+  double x, y, sx, sy;
 
   global = gtk_im_context_wayland_get_global (context);
   if (global == NULL)
@@ -369,8 +369,11 @@ notify_cursor_location (GtkIMContextWayland *context)
                                     rect.x, rect.y,
                                     &x, &y);
 
-  rect.x = x;
-  rect.y = y;
+  gtk_native_get_surface_transform (gtk_widget_get_native (context->widget),
+                                    &sx, &sy);
+
+  rect.x = x + sx;
+  rect.y = y + sy;
   zwp_text_input_v3_set_cursor_rectangle (global->text_input,
                                           rect.x, rect.y,
                                           rect.width, rect.height);