~bratsche/oif/evince-smooth-dragging

void

ev_view_drag (EvView  *view,

              gdouble  x,

              gdouble  y)

{

        gdouble value;

 

        value = gtk_adjustment_get_value (view->vadjustment);

        value = CLAMP (value + y, 0,

                       gtk_adjustment_get_upper (view->vadjustment) - gtk_adjustment_get_page_size (view->vadjustment));

        gtk_adjustment_set_value (view->vadjustment, value);

 

        value = gtk_adjustment_get_value (view->hadjustment);

        value = CLAMP (value + x, 0,

                       gtk_adjustment_get_upper (view->hadjustment) - gtk_adjustment_get_page_size (view->hadjustment));

        gtk_adjustment_set_value (view->hadjustment, value);

}