#!perl -w

#$Id: calc.pl,v 1.2 2007/12/15 21:35:13 pkaluski Exp $
#
# Written by Gabor Szabo <gabor@pti.co.il>
# An example how to access the built in calculator (calc.exe) of Windows.
# This code assumes your calulator defaults to the Standard view (and not the Scientific)



use strict;

use Win32::GuiTest qw(:ALL);
use Win32;

warn "** Warning! calc.exe is very different on Windows 7, probably won't work\n"
    if Win32::GetOSName =~ /Win7/;

if (not @ARGV or 
    ($ARGV[0] ne "keyboard" and  $ARGV[0] ne "mouse")) {
    die "Usage: $0 [keyboard|mouse]\n" 
}
   
system "start calc.exe";
sleep(1);
my @windows = FindWindowLike(undef, "Calculator");

if (not @windows) {
   die "Could not find Calculator\n";
}
if (@windows > 1) {
   die "There might be more than one Calculators running\n";
}

if ($ARGV[0] eq "keyboard") {
   PushButton '7';  
   sleep(1);
   PushButton '\*';
   sleep(1);
   PushButton '5';
   sleep(1);
   PushButton '=';
   sleep(2);
   
   # Catch the content of the first child, 
   # At this point we can only hope that this is the child that holds the result
   # as it does not have a title, maybe it has a type that we can check ?
   my @children = GetChildWindows($windows[0]);
   printf "Result: %s\n", WMGetText($children[0]);
   
   SendKeys("%{F4}");  # Alt-F4 to exit
}
if ($ARGV[0] eq "mouse") {
   my ($left, $top, $right, $bottom) = GetWindowRect($windows[0]);
   # find the appropriate child window and click on  it
   my @children = GetChildWindows($windows[0]);
   foreach my $title (qw(7 * 5 =)) {
       my ($c) = grep {$title eq GetWindowText($_)} @children;
       my ($left, $top, $right, $bottom) = GetWindowRect($c);
       MouseMoveAbsPix(($right+$left)/2,($top+$bottom)/2);
       SendMouse("{LeftClick}");
       sleep(1);
   }
   printf "Result: %s\n", WMGetText($children[0]);
   
   MouseMoveAbsPix($right-10,$top+10);  # this probably depends on the resolution
   sleep(2);
   SendMouse("{LeftClick}");
}