void next_cb(Fl_Widget*, void* tb) { Fl_Box* tipbox = (Fl_Box*)tb; curr_tip++; if(curr_tip >= TIPS_NUM) curr_tip = 0; tipbox->label(tiplist[curr_tip]); tipbox->redraw_label(); }
void prev_cb(Fl_Widget*, void* tb) { Fl_Box* tipbox = (Fl_Box*)tb; if(curr_tip == 0) curr_tip = TIPS_NUM - 1; else curr_tip--; tipbox->label(tiplist[curr_tip]); tipbox->redraw_label(); }