diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Fl_Cairo.cxx | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/Fl_Cairo.cxx b/src/Fl_Cairo.cxx index c69af2c55..a5b471392 100644 --- a/src/Fl_Cairo.cxx +++ b/src/Fl_Cairo.cxx @@ -150,8 +150,8 @@ cairo_t *Fl::cairo_make_current(Fl_Window *wi) { #if defined(FLTK_USE_WAYLAND) if (fl_wl_display()) { // true means using wayland backend struct wld_window *xid = fl_wl_xid(wi); - if (!xid->buffer) - return NULL; // this may happen with GL windows + if (!xid || !xid->buffer) + return NULL; // this may happen with GL windows or if window is not shown cairo_ctxt = xid->buffer->draw_buffer.cairo_; Fl::Private::cairo_state_.cc(cairo_ctxt, false); return cairo_ctxt; |