commit 9164e3c48973a2a07bcb82a2bfff1a50a532e69e
Author:     ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
AuthorDate: Sun Jan 2 17:44:55 2022 +0100
Commit:     ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
CommitDate: Sun Jan 2 17:44:55 2022 +0100

    Text input method for X11: fix for case when text widget is inside subwindow.

 src/drivers/Xlib/Fl_Xlib_Graphics_Driver.cxx | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git src/drivers/Xlib/Fl_Xlib_Graphics_Driver.cxx src/drivers/Xlib/Fl_Xlib_Graphics_Driver.cxx
index 1c6c2a6..14c56c0 100644
--- src/drivers/Xlib/Fl_Xlib_Graphics_Driver.cxx
+++ src/drivers/Xlib/Fl_Xlib_Graphics_Driver.cxx
@@ -134,6 +134,13 @@ void Fl_Xlib_Graphics_Driver::set_spot(int font, int size, int X, int Y, int W,
   static XIC ic = NULL;
 
   if (!fl_xim_ic || !fl_is_over_the_spot) return;
+  if (Fl::focus()) { // handle case when text widget is inside subwindow
+    Fl_Window *focuswin = Fl::focus()->window();
+    while (focuswin && focuswin->parent()) {
+      X += focuswin->x(); Y += focuswin->y();
+      focuswin = focuswin->window();
+    }
+  }
   //XSetICFocus(fl_xim_ic);
   if (X != fl_spot.x || Y != fl_spot.y) {
     fl_spot.x = X;