unity theme dose not paint when call gtk_paint_box
pls see below source code, when click the button, a scroll bar should be drawn, clicking the button will make the scroll bar scrolling up and down, it works well on other OS , but on ubuntu gtk_paint_box has no effect.
unity theme dose not paint when call gtk_paint_box
pls see below source code, when click the button, a scroll bar should be drawn, clicking the button will make the scroll bar scrolling up and down, it works well on other OS , but on ubuntu gtk_paint_box has no effect.