added dynamic scrolling when dynamically changing message contents

pd/src/g_text.c

@@ -535,12 +535,14 @@ static void message_set(t_message *x, t_symbol *s, int argc, t_atom *argv)
     binbuf_clear(x->m_text.te_binbuf);
     binbuf_add(x->m_text.te_binbuf, argc, argv);
     glist_retext(x->m_glist, &x->m_text);
+	sys_vgui("pdtk_canvas_getscroll .x%lx.c\n", (t_int)x->m_glist);
 }
 
 static void message_add2(t_message *x, t_symbol *s, int argc, t_atom *argv)
 {
     binbuf_add(x->m_text.te_binbuf, argc, argv);
     glist_retext(x->m_glist, &x->m_text);
+	sys_vgui("pdtk_canvas_getscroll .x%lx.c\n", (t_int)x->m_glist);
 }
 
 static void message_add(t_message *x, t_symbol *s, int argc, t_atom *argv)
@@ -548,6 +550,7 @@ static void message_add(t_message *x, t_symbol *s, int argc, t_atom *argv)
     binbuf_add(x->m_text.te_binbuf, argc, argv);
     binbuf_addsemi(x->m_text.te_binbuf);
     glist_retext(x->m_glist, &x->m_text);
+	sys_vgui("pdtk_canvas_getscroll .x%lx.c\n", (t_int)x->m_glist);
 }
 
 static void message_addcomma(t_message *x)
@@ -556,11 +559,13 @@ static void message_addcomma(t_message *x)
     SETCOMMA(&a);
     binbuf_add(x->m_text.te_binbuf, 1, &a);
     glist_retext(x->m_glist, &x->m_text);
+	sys_vgui("pdtk_canvas_getscroll .x%lx.c\n", (t_int)x->m_glist);
 }
 
 static void message_addsemi(t_message *x)
 {
     message_add(x, 0, 0, 0);
+	sys_vgui("pdtk_canvas_getscroll .x%lx.c\n", (t_int)x->m_glist);
 }
 
 static void message_adddollar(t_message *x, t_floatarg f)
@@ -572,6 +577,7 @@ static void message_adddollar(t_message *x, t_floatarg f)
     SETDOLLAR(&a, n);
     binbuf_add(x->m_text.te_binbuf, 1, &a);
     glist_retext(x->m_glist, &x->m_text);
+	sys_vgui("pdtk_canvas_getscroll .x%lx.c\n", (t_int)x->m_glist);
 }
 
 static void message_adddollsym(t_message *x, t_symbol *s)
@@ -584,6 +590,7 @@ static void message_adddollsym(t_message *x, t_symbol *s)
     SETDOLLSYM(&a, gensym(buf));
     binbuf_add(x->m_text.te_binbuf, 1, &a);
     glist_retext(x->m_glist, &x->m_text);
+	sys_vgui("pdtk_canvas_getscroll .x%lx.c\n", (t_int)x->m_glist);
 }
 
 static void message_click(t_message *x,