At 02:54 PM 24/04/2001 -0700, you wrote:
Hi,
You may want to see my script attached.
I still don't quite understand how to get the cancel to work while download
is in progress.
I always appreciate your help, as I am new to gui development.
thankyou.
Jeremy
>| is there a way for it to listen while it downloads for the
>| cancel event?
>Your sub Cancel_Click should NOT exit, however, the exit statement is never
>reached due to the return.
>Return -1 is correct, this is how you tell the GUI to end the message loop.
>Now the message loop exits back into your script from where it was called.
>At this point, YOU must watch for the GUI to exit:
>
>last if Win32::GUI::DoEvents() < 0;
>
>instead of just Win32::GUI::DoEvents();
>
>The chain goes:
>1) you call Dialog() or DoEvents() inside GUI
>2) GUI calls subs according to messages - like Cancel_Click when Exit button
>is clicked.
>3) your sub is active
>4) your sub returns -1
>5) GUI stops looking for messages and returns -1
>6) your script continues
>
>Have fun,
>Harald
>
>_______________________________________________
>Perl-Win32-GUI-Users mailing list
>[email protected]
>http://lists.sourceforge.net/lists/listinfo/perl-win32-gui-users
>
use Win32::GUI;
use Win32::API;
use Net::FTP;
use Cwd;
[EMAIL PROTECTED] = file,
0
# mode (send/recieve),1
# mode (ascii/binary),2
# ftphost, 3
# user, 4
# pass, 5
# port, 6
# passive (y/n) 7
# CWD 8
#
#
#
#if (@ARGV) {
TransferSetup();
#}else {
# print "***Error: Not a StandAlone program\n";
# sleep 1;
#}
sub TransferSetup() {
my $file = 'Killing Heidi - Mascara.mp3'; # the file to recieve
my $SendRecieveMode = 'recieve'; # which way is the transfer
my $TransferMode = 'asc'; # binary or ascii
my $FtpHost = 'jeremy'; # hostname
my $UserName = 'jeremy'; #user
my $Pass = 'blank'; #pass
my $Port = '21'; #port
my $Passive = '0'; # 0 for nonpassive, 1 for passive
my $CWD = 'D:\backup\perl stuff\perltidy-20010304\perltidy-20010304\\';
$ftp = Net::FTP->new($FtpHost, Timeout => 60) || exit;
$ftp->login("$UserName","$Pass") || exit;
$ftp->port($Port);
if ( $TransferMode eq "bin" ) {
$ftp->type(binary());
}
if ($SendRecieveMode eq "recieve") {
&RecieveTransfer($file,$CWD,$TransferMode);
}
else {
die;
}
}
sub RecieveTransfer {
my $RemoteFile = $_[0];
print "$RemoteFile\n";
my $buffer='';
my $size = $ftp->size($RemoteFile);
CreateProgressWin();
Win32::GUI::DoEvents();
my $blksize = 10240;
my $track = 0;
my $pos = 0;
my $CurrentLocalDir = $_[1];
my $TransferMode = $_[2];
$blksize = 6240 if ( $size >= 300000 );
$TransferBox->Label_1->Text("$RemoteFile");
$TransferBox->Status->Text("Retrieving $RemoteFile...");
$TransferBox->TransferProgressBar_1->SetRange(0, 100);
$TransferBox->TransferProgressBar_1->SetPos(0);
$TransferBox->Size->Text("$track bytes of $size bytes");
$TransferBox->Progress->Text(int($pos)."%");
$TransferBox->Show();
if ( TransferMode eq 'asc' ) {
if (!open ( FILE, "> $CurrentLocalDir"."/".$RemoteFile )) {
Msg_Box("Can't create a file to put the data for $RemoteFile:
$!.",48,"Can't Create File");
return 0;
}
} else {
if (!open ( FILE, "> $CurrentLocalDir"."/".$RemoteFile )) {
Msg_Box("Can't create a file to put the data for $RemoteFile:
$!.",48,"Can't Create File");
return 0;
}
binmode FILE;
}
if (! ($data = $ftp->retr($RemoteFile)) ) {
Msg_Box("Can't open a data retrieval socket for $RemoteFile.",48,"Can't
Open Socket");
return 0;
}
while() {
Win32::GUI::DoEvents();
$TransferBox->Size->Text("$track bytes of $size bytes");
$percent = $track/$size;
$pos = 100*$percent;
$TransferBox->Progress->Text(int($pos)."%");
$TransferBox->TransferProgressBar_1->SetPos($pos);
$TransferBox->DoEvents();
last unless $len = $data->read($buffer,$blksize);
$track += $len;
my $written = syswrite(FILE, $buffer, $len);
$TransferBox->Show();
unless(defined($written) && $written == $len) {
Msg_Box("Cannot write to local file
$CurrentLocalDir.\\.$RemoteFile: $!",48,"Can't Write To File");
$data->abort;
$TransferBox->Hide();
close(FILE);
return undef;
}
}
$TransferBox->Hide();
Win32::GUI::DoEvents();
close(FILE);
$data->close(); # implied $ftp->response
return 1;
}
sub Msg_Box ($$$) {
my ($msg, $buttons, $title) = (shift, shift, shift);
return Win32::MsgBox($msg, $buttons, $title);
}
sub CreateProgressWin {
$TransferBox = new Win32::GUI::Window(
-left => 670,
-top => 264,
-width => 392,
-height => 141,
-name => "TransferBox",
-text => "File Transfer"
);
$TransferBox->Show();
$TransferBox->AddProgressBar(
-text => "Transfer Progress",
-name => "TransferProgressBar_1",
-left => 13,
-top => 53,
-width => 356,
-height => 12,
);
$TransferBox->AddButton(
-text => "",
-name => "GroupBox_1",
-left => 3,
-top => 3,
-width => 375,
-height => 87,
-style => WS_CHILD | WS_VISIBLE | 7, # GroupBox
);
$TransferBox->AddButton(
-text => "Kill",
-name => "Cancel",
-left => 352,
-top => 93,
-width => 29,
-height => 21,
-foreground => 16744448,
);
$TransferBox->AddLabel(
-text => "File :",
-name => "Label_1",
-left => 10,
-top => 13,
-width => 200,
-height => 13,
-foreground => 0,
);
$TransferBox->AddLabel(
-text => "Size (Bytes):",
-name => "Size",
-left => 11,
-top => 31,
-width => 200,
-height => 13,
-foreground => 0,
);
$TransferBox->AddLabel(
-text => "Progress (%) :",
-name => "Progress",
-left => 166,
-top => 70,
-width => 89,
-height => 13,
-foreground => 0,
);
#$TransferBox->AddStatusBar(
# -text => "Transfer Status:",
# -name => "StatusBar_1",
# -left => 0,
# -top => 799,
# -width => 1150,
# -height => 17,
# );
$TransferBox->AddButton(
-text => "",
-name => "transferStatus",
-left => 5,
-top => 88,
-width => 339,
-height => 24,
-style => WS_CHILD | WS_VISIBLE | 7, # GroupBox
);
$TransferBox->AddLabel(
-text => "Transfer Status :",
-name => "Status",
-left => 11,
-top => 96,
-width => 250,
-height => 13,
-foreground => 0,
);
#Win32::GUI::Dialog();
#return 1;
}
#Win32::GUI::Dialog();
sub MainWindow_Terminate {
return -1;
}
#Win32::GUI::Dialog();
sub Cancel_Click {
return -1;
#exit;
}
