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program ll;
uses xforms;
{*** Forms and Objects ***}
Type
TFD_axypform = record
axypform : PFL_FORM;
xyplot : PFL_OBJECT;
status : PFL_OBJECT;
vdata : pointer;
ldata : longint;
end;
PFD_axypform = ^TFD_axypform;
var
xypui : PFD_axypform;
{ callbacks for form axypform }
Procedure xyplot_cb(ob : PFL_OBJECT; data : longint);cdecl;
var
x, y : double;
i : Longint;
temp,buf : string[64];
begin
fl_get_xyplot(ob, @x, @y, @i);
if (i < 0) then exit;
str (x,buf);
str (y,temp);
Buf:='X= '+Buf+' Y= '+temp+#0;
fl_set_object_label(xypui^.status, @buf[1]);
end;
Procedure alwaysreturn_cb(ob : PFL_OBJECT; data : longint); cdecl;
begin
fl_set_xyplot_return(xypui^.xyplot, fl_get_button(ob));
end;
procedure interpolate_cb(ob : PFL_OBJECT; data : longint);cdecl;
begin
if fl_get_button(ob)=0 then
fl_set_xyplot_interpolate(xypui^.xyplot, 0,2,0.2)
else
fl_set_xyplot_interpolate(xypui^.xyplot, 0,0,0.2);
end;
Procedure inspect_cb(ob : PFL_OBJECT; data :longint); cdecl;
begin
fl_set_xyplot_inspect(xypui^.xyplot, fl_get_button(ob));
end;
procedure notic_cb(ob : PFL_OBJECT; data :longint); cdecl;
var notic : Longint;
begin
notic := fl_get_button(ob);
if (notic)<>0 then
begin
fl_set_xyplot_xtics(xypui^.xyplot, -1, -1);
fl_set_xyplot_ytics(xypui^.xyplot, -1, -1);
end
else
begin
fl_set_xyplot_xtics(xypui^.xyplot, 0, 0);
fl_set_xyplot_ytics(xypui^.xyplot, 0, 0);
end;
end;
Function create_form_axypform : PFD_axypform;
var
obj : PFL_OBJECT;
fdui : PFD_axypform;
begin
new(fdui);
fdui^.axypform := fl_bgn_form(FL_NO_BOX, 431, 301);
obj := fl_add_box(FL_UP_BOX,0,0,431,301,'');
obj := fl_add_xyplot(FL_ACTIVE_XYPLOT,20,50,285,235,'');
fdui^.xyplot := obj;
fl_set_object_boxtype(obj,FL_DOWN_BOX);
fl_set_object_color(obj, FL_BLACK, FL_GREEN);
fl_set_object_lalign(obj,FL_ALIGN_BOTTOM or FL_ALIGN_INSIDE);
fl_set_object_callback(obj,PFL_CALLBACKPTR(@xyplot_cb),0);
obj := fl_add_checkbutton(FL_PUSH_BUTTON,315,40,80,25,'AlwaysReturn');
fl_set_object_color(obj,FL_COL1,FL_BLUE);
fl_set_object_callback(obj,PFL_CALLBACKPTR(@alwaysreturn_cb),0);
obj := fl_add_checkbutton(FL_PUSH_BUTTON,315,65,80,25,'Interpolate');
fl_set_object_color(obj,FL_COL1,FL_BLUE);
fl_set_object_callback(obj,PFL_CALLBACKPTR(@interpolate_cb),0);
obj := fl_add_checkbutton(FL_PUSH_BUTTON,315,90,85,25,'InspectOnly');
fl_set_object_color(obj,FL_COL1,FL_BLUE);
fl_set_object_callback(obj,PFL_CALLBACKPTR(@inspect_cb),0);
obj := fl_add_text(FL_NORMAL_TEXT,45,15,170,25,'');
fdui^.status := obj;
fl_set_object_boxtype(obj, FL_DOWN_BOX);
obj := fl_add_button(FL_NORMAL_BUTTON,325,250,90,30,'Done');
obj := fl_add_checkbutton(FL_PUSH_BUTTON,315,120,85,25,'NoTics');
fl_set_object_color(obj,FL_COL1,FL_BLUE);
fl_set_object_callback(obj,PFL_CALLBACKPTR(@notic_cb),0);
fl_end_form();
create_form_axypform:=fdui;
end;
var
x,y : array[0..24] of double;
i : longint;
begin
fl_initialize(@argc, argv, 'FormDemo', nil, 0);
xypui := create_form_axypform;
{ fill-in form initialization code }
fl_set_object_dblbuffer(xypui^.status, 1);
for i := 0 to 10 do
begin
x[i] := i;
y[i] := i;
end;
fl_set_xyplot_data(xypui^.xyplot, x, y, 11, '','','');
{ show the first form }
fl_show_form(xypui^.axypform,FL_PLACE_MOUSE,FL_TRANSIENT,'axypform');
fl_do_forms();
end.
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