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{ demo showing the choices when to return object. Note this program,
* strictly speaking, is illegal in the usage of user data parameter
* in the callback function.
}
program objreturn;
uses xforms;
{*** Forms and Objects ***}
type
TFD_FORM = record
form0 : PFL_FORM;
obj : array [0..3] of PFL_OBJECT;
br : PFL_OBJECT;
when : PFL_OBJECT;
vdata : pointer;
ldata : longint;
end;
PFD_FORM = ^TFD_FORM;
var
fd_form0 : PFD_form;
{ callbacks for form form0 }
procedure return_cb(ob : PFL_OBJECT; data : longint); cdecl;
begin
fl_addto_browser(fd_form0^.br, pchar(data));
end;
procedure set_when( n : longint);
begin
fl_set_object_return(fd_form0^.obj[0], n);
fl_set_object_return(fd_form0^.obj[1], n);
fl_set_object_return(fd_form0^.obj[2], n);
fl_set_object_return(fd_form0^.obj[3], n);
end;
procedure when_cb(ob : PFL_OBJECT; data : longint); cdecl;
var n : longint;
begin
n := fl_get_choice(ob) - 1;
if (n >= 0) then
set_when(n);
end;
procedure resetlog_cb(ob : PFL_OBJECT; data : longint);cdecl;
begin
fl_clear_browser(fd_form0^.br);
end;
Function create_form_form0 : PFD_FORM;
Const Preturn : pchar = 'slider returned';
Pcounter : pchar = 'counter returned';
Pinput : pchar = 'input2 returned';
Pinput1 : Pchar = 'input1 returned';
var
obj : PFL_OBJECT;
fdui : PFD_form;
old_bw : longint;
begin
new(fdui);
old_bw := fl_get_border_width();
fl_set_border_width(-2);
fdui^.form0 := fl_bgn_form(FL_NO_BOX, 321, 276);
obj := fl_add_box(FL_UP_BOX,0,0,321,276,'');
obj := fl_add_valslider(FL_HOR_SLIDER,12,55,138,22,'');
fdui^.obj[0] := obj;
fl_set_object_lalign(obj,FL_ALIGN_BOTTOM or FL_ALIGN_INSIDE);
fl_set_object_callback(obj,PFL_CALLBACKPTR(@return_cb),longint(Preturn));
fl_set_slider_return(obj, FL_RETURN_CHANGED);
obj := fl_add_counter(FL_NORMAL_COUNTER,12,85,138,22,'');
fdui^.obj[1] := obj;
fl_set_object_lalign(obj,FL_ALIGN_BOTTOM or FL_ALIGN_INSIDE);
fl_set_object_callback(obj,PFL_CALLBACKPTR(@return_cb),longint(PCounter));
obj := fl_add_input(FL_NORMAL_INPUT,12,187,138,25,'');
fdui^.obj[3] := obj;
fl_set_object_lalign(obj,FL_ALIGN_LEFT or FL_ALIGN_INSIDE);
fl_set_object_callback(obj,PFL_CALLBACKPTR(@return_cb),longint(Pinput));
obj := fl_add_input(FL_NORMAL_INPUT,12,150,138,25,'');
fdui^.obj[2] := obj;
fl_set_object_callback(obj,PFL_CALLBACKPTR(@return_cb),longint(Pinput1));
obj := fl_add_browser(FL_NORMAL_BROWSER,170,55,140,160,'');
fdui^.br := obj;
obj := fl_add_choice(FL_NORMAL_CHOICE,80,12,168,27,'');
fdui^.when := obj;
fl_set_object_callback(obj,PFL_CALLBACKPTR(@when_cb),0);
obj := fl_add_button(FL_NORMAL_BUTTON,170,239,80,25,'Done');
obj := fl_add_button(FL_NORMAL_BUTTON,70,239,80,25,'ResetLog');
fl_set_object_callback(obj,PFL_CALLBACKPTR(@resetlog_cb),0);
fl_end_form();
fl_set_border_width(old_bw);
create_form_form0:= fdui;
end;
begin
fl_initialize(@argc, argv, 'FormDemo', nil, 0);
fd_form0 := create_form_form0;
{ fill-in form initialization code }
set_when(0);
fl_set_object_dblbuffer(fd_form0^.br, 1);
fl_addto_choice(fd_form0^.when,
'RETURN_END_CHANGED|RETURN_CHANGED|RETURN_END|RETURN_ALWAYS');
{ show the first form }
fl_show_form(fd_form0^.form0, FL_PLACE_CENTER, FL_FULLBORDER, 'form0');
fl_do_forms();
end.
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