diff --git a/src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx b/src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx index c25758f45..c06bdbee5 100644 --- a/src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx +++ b/src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx @@ -1351,8 +1351,13 @@ bool Fl_Wayland_Window_Driver::process_menu_or_tooltip(struct wld_window *new_wi xdg_positioner_set_anchor(positioner, XDG_POSITIONER_ANCHOR_BOTTOM_LEFT); xdg_positioner_set_gravity(positioner, XDG_POSITIONER_GRAVITY_BOTTOM_RIGHT); // prevent menuwindow from expanding beyond display limits - int constraint = XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_SLIDE_X | - XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_SLIDE_Y; + int constraint = XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_SLIDE_X; + if ( !(origin_win->fullscreen_active() && + Fl_Wayland_Screen_Driver::compositor == Fl_Wayland_Screen_Driver::MUTTER && + pWindow->menu_window() && !menu_offset_y(pWindow) && !is_floating_title(pWindow)) ) { + // Condition above is only to bypass Mutter bug for fullscreen windows (see #1061) + constraint |= XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_SLIDE_Y; + } if (Fl_Window_Driver::menu_bartitle(pWindow) && !Fl_Window_Driver::menu_leftorigin(pWindow)) { constraint |= XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_FLIP_Y; }