diff options
Diffstat (limited to 'src/drivers')
| -rw-r--r-- | src/drivers/X11/Fl_X11_Window_Driver.cxx | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/drivers/X11/Fl_X11_Window_Driver.cxx b/src/drivers/X11/Fl_X11_Window_Driver.cxx index ed5597e84..ea0eaa57a 100644 --- a/src/drivers/X11/Fl_X11_Window_Driver.cxx +++ b/src/drivers/X11/Fl_X11_Window_Driver.cxx @@ -244,7 +244,7 @@ void Fl_X11_Window_Driver::flush_double(int erase_overlay) void Fl_X11_Window_Driver::flush_overlay() { if (!shown()) return; - int erase_overlay = (pWindow->damage()&FL_DAMAGE_OVERLAY); + int erase_overlay = (pWindow->damage()&FL_DAMAGE_OVERLAY) | (overlay() == pWindow); pWindow->clear_damage((uchar)(pWindow->damage()&~FL_DAMAGE_OVERLAY)); #if USE_XDBE if (can_xdbe()) flush_double_dbe(erase_overlay); else |