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mybutton.uni
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1992-02-24
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unit MyButtons;
{ This code is part of the Finger/Fingerd source code, written in THINK Pascal 4 }
{ Copyright 1991-1992 Peter N Lewis }
{ If you use this code, you must give me credit in your about box and documentation }
{ This is part of my generic library of routines }
interface
procedure GrayButton (dlg: dialogPtr; item: integer);
procedure UngrayButton (dlg: dialogPtr; item: integer);
procedure UpdateButton (dlg: dialogPtr; item: integer; active: boolean);
procedure InitButton (dlg: dialogPtr; item: integer; var active: boolean; new: boolean);
procedure SetButton (dlg: dialogPtr; item: integer; var active: boolean; new: boolean);
implementation
procedure GrayButton (dlg: dialogPtr; item: integer);
var
kind: integer;
h: handle;
r: rect;
ps: PenState;
begin
GetDItem(dlg, item, kind, h, r);
InsetRect(r, 4, 2);
GetPenState(ps);
PenPat(gray);
PenMode(patBic);
PaintRoundRect(r, 3, 3);
SetPenState(ps);
end;
procedure UngrayButton (dlg: dialogPtr; item: integer);
var
kind: integer;
h: handle;
r: rect;
begin
GetDItem(dlg, item, kind, h, r);
Draw1Control(controlHandle(h));
end;
procedure UpdateButton (dlg: dialogPtr; item: integer; active: boolean);
begin
if not active then
GrayButton(dlg, item);
end;
procedure InitButton (dlg: dialogPtr; item: integer; var active: boolean; new: boolean);
var
kind: integer;
h: handle;
r: rect;
ps: PenState;
begin
active := new;
GetDItem(dlg, item, kind, h, r);
if active then
HiliteControl(controlHandle(h), 0)
else begin
HiliteControl(controlHandle(h), 255);
GrayButton(dlg, item);
end;
end;
procedure SetButton (dlg: dialogPtr; item: integer; var active: boolean; new: boolean);
begin
if active <> new then begin
if new then
UngrayButton(dlg, item)
else
GrayButton(dlg, item);
InitButton(dlg, item, active, new);
end;
end;
end.