zlc53 wrote:
> i use postion function , but can't auto redraw
That's pretty terse, but I'm guessing you're trying to
re-position a widget with w->position(x,y), but the widget
is not redrawing or not redrawing correctly.
When you move a widget, you have to tell the parent group
the child was moved by calling init_sizes(), eg:
http://fltk.org/doc-2.0/html/classfltk_1_1Group.html#dde626fecc1b50fa9f8d7f8a23fcff49
If you are having trouble with the change not redrawing
correctly, you may also need to call the parent widget's
redraw() function. So in all:
w->position(newx, newy);
w->parent()->init_sizes(); // or specify the parent group,
eg. group->init_sizes()
w->window()->redraw();
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