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{ This demo shows the use of a positioner. }
program positioner;
uses xforms;
var
xval, yval : PFL_Object;
{ callback routine }
Procedure Do_position (ob :PFL_OBJECT; q : longint);
var
st : string [30];
begin
str(fl_get_positioner_xvalue(ob),st);st:=st+#0;
fl_set_object_label(xval,@st[1]);
str(fl_get_positioner_yvalue(ob),st);st:=st+#0;
fl_set_object_label(yval,@st[1]);
end;
procedure positioner_cb(ob :PFL_OBJECT; q : longint);cdecl;
begin
Do_Position (ob,q);
end;
var
form : PFL_FORM;
thepos, button : PFL_OBJECT;
begin
fl_initialize(@argc, argv, 'FormDemo', nil, 0);
form := fl_bgn_form(FL_UP_BOX,400,280);
thepos := fl_add_positioner(FL_NORMAL_POSITIONER,40,40,200,200,'');
fl_set_positioner_xbounds(thepos,0,1);
fl_set_positioner_ybounds(thepos,0,1);
fl_set_object_callback(thepos,PFL_CALLBACKPTR(@positioner_cb),0);
xval := fl_add_box(FL_DOWN_BOX,270,40,100,30,'');
yval := fl_add_box(FL_DOWN_BOX,270,90,100,30,'');
fl_set_object_color(xval,FL_COL1,FL_COL1);
fl_set_object_color(yval,FL_COL1,FL_COL1);
button := fl_add_button(FL_NORMAL_BUTTON,270,210,100,30,'Exit');
fl_end_form();
fl_show_form(form,FL_PLACE_CENTER,FL_NOBORDER,NiL);
Do_position(thepos,0);
fl_do_forms;
fl_hide_form(form);
end.
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