+ MWindow *mwindow = plugin->server->mwindow;
+ CWindowGUI *cwindow_gui = mwindow->cwindow->gui;
+ CWindowCanvas *canvas = cwindow_gui->canvas;
+ int cx, cy; canvas->get_canvas()->get_relative_cursor_xy(cx, cy);
+ if( cx < mwindow->theme->ccanvas_x ) return 0;
+ if( cx >= mwindow->theme->ccanvas_x+mwindow->theme->ccanvas_w ) return 0;
+ if( cy < mwindow->theme->ccanvas_y ) return 0;
+ if( cy >= mwindow->theme->ccanvas_y+mwindow->theme->ccanvas_h ) return 0;
+