The following Code demonstrates the problem.
Instructions:
Run the code.
Click on the button.
Use the scroll bar to scroll up.
Notice that the text all runs together.
----------------------------------------------
use strict;
use warnings;
use Win32::GUI;
my $MainTitle = "Pauto Script Runner";
my $MainWidth=300;
my $MainHeight=300;
my $MainTop=300;
my $MainLeft=300;
our $MainWindow = new Win32::GUI::Window(
-name => "MainWindow",
-text => $MainTitle,
-width => $MainWidth,
-height => $MainHeight,
-minsize => [175, 120],
-topmost => 1,
-top => $MainTop,
-left => $MainLeft,
);
our $Test=$MainWindow->AddTextfield(
-name => "ABC",
-text => "This is is a test ($MainWidth,$MainHeight)\r\n",
-readonly=>1,
-multiline=>1,
-top=>0,
-left=>0,
-width=>$MainWidth,
-height=>$MainHeight-60,
-vscroll=>1,
-addstyle => 0x1000, #ES_WantReturn - allows the enter
key to work
);
$MainWindow->AddButton(
-name => "MyButton",
-text => "ClickMe",
-height => 20,
-pos => [$MainWidth-100,$MainHeight-57 ],
);
$MainWindow->Show();
Win32::GUI::Dialog();
sub MainWindow_Minimize {return 0;}
sub MainWindow_Maximize {return 0;}
sub MainWindow_Terminate {return -1;}
sub MyButton_Click{
my $now=localtime();
my $str="$now\r\nHello This is a test of the emergency broadcast
system and is only a test. Should this cause problems please report it
to the authorities.";
my $mstr="$str"x10;
$Test->Append($mstr);
}
exit(0);
----------------------------------------------
-----Original Message-----
From: Robert May [mailto:[EMAIL PROTECTED] Sent: Wednesday,
July 27, 2005 11:56 AM
To: Lloyd, Steve
Cc: perl-win32-gui-users@lists.sourceforge.net
Subject: [SPAM] - Re: Readonly TextEdit redraw problem. [Was: otther
thngs] - Bayesian Filter detected spam
Steve,
If you can post a short example that exhibits the behaviour on your
system, then I'd be happy to try it and see if I get the same
behaviour here.
Rob.
Lloyd, Steve wrote:
I have noticed that if scrolling in a Win32::GUI::Textfield set to
readonly does not refresh the text properly.. Has anyone else seen
this? It this something that could be fixed before the next release?
Steve
-----Original Message-----
From: [EMAIL PROTECTED] on behalf of
Robert May
Sent: Thu 7/21/2005 6:23 PM
To: Frazier, Joe Jr
Cc: perl-win32-gui-users@lists.sourceforge.net
Subject: [SPAM] - Re: [win32gui] RE: [perl-win32-gui-users] Next
release [Was: System Tray problem after upgrade to v1.02 from v1.00] -
Bayesian Filter detected spam
Frazier, Joe Jr wrote:
I would have though that targeting a bug-fix only release for
a month's time might be realistic. I'd like to get the following
done:
- fix as many of the trackers as possible
- get all the current sample code to work properly
- include all the examples from the tutorial (and check that they
all work :-), fixing the tutorial as necessary
- work on the test suite
- get a semi-decent web-page up as our Homepage at SourceForge.
Hey, if possible, can someone come up with an example of using
Win32::GUI with one or more background worker thread(s)?
Here's my threads example that I'm working on - funnily I was just
discussing it off-list.
#!perl -w
use strict;
use warnings;
use Win32::GUI;
use threads;
use Thread::Queue;
# Win32::GUI is not very thread friendly, so ensure the worker thread
# is created before you create any Win32::GUI objects print "Boss:
Starting\n"; print "Boss: creating queues\n";
my $qd = Thread::Queue->new();
my $qu = Thread::Queue->new();
print "Boss: creating worker thread\n";
my $t = threads->new(\&worker);
my $working = 0; # set by the boss when the worker is working my
$instruction = 1;
my $W = new Win32::GUI::Window (
-pos => [100,100],
-size => [200,200],
-name => "MW",
) or die "Creating main window";
$W->AddButton (
-text => "Execute Thread",
-name => "But1",
) or die "Creating Button1";
# Timer is used to read results back from worker thread $W->AddTimer(
"Tim1", 1000) or die "Creating Timer";
$W->Show();
Win32::GUI::Dialog();
# tidy up
print "Boss: Sending kill to worker\n";
$qd->enqueue(undef);
print "Boss: About to wait for worker\n";
my $r = $t->join();
print "Boss: worker completed after executing $r instructions\n";
exit(0);
sub But1_Click
{
$W->But1->Disable();
print "Boss: Button Clicked: starting worker ($instruction)\n";
$qd->enqueue($instruction++);
$working = 1;
return 1;
}
sub MW_Terminate
{
if($working) {
print "Boss: Can't exit while worker is working\n";
return 0;
}
return -1;
}
sub Tim1_Timer
{
#print "Boss: timer went off\n";
if(my $val = $qu->dequeue_nb()) {
print "Boss: worker finished instruction $val\n";
$W->But1->Enable();
$working=0;
}
return 1;
}
# The worker thread entry point
sub worker
{
print "Worker: starting\n";
my $count = 0;
print "Worker: waiting for instructions\n";
while(my $num = $qd->dequeue()) {
print "Worker: got instruction $num\n";
$count++;
for my $i (0..5) {
print "Worker:doing work ($i)\n";
sleep(1);
}
print "Worker: Done instruction $num\n";
$qu->enqueue($num);
}
print "Worker: Terminating after $count instructions\n";
return $count;
}
__END__
It wouldn't take much to turn it into a proper example. Does this
seem like the right way to do it?
Something I would like to see for example would be a "list" of sites
in say a Win32::GUI::Grid (or listview at worst case, if we want to
not use extensions in the examples) with one or more threads that
periodically(using a 20 second timer for example) connect to the sites
and measure response times to populate another column on the Grid.
Interesting idea - again it wouldn't be very difficult
I have seen one or two examples on the list for using threads, but
it would be nice to have one in the core distribution.
Also, has anyone created a PPM for this release yet? If so, is it
available on a repository, or only on the sourceforge site for
download?
There's a PPM in the bribes repository
(http://www.bribes.org/perl/ppmdir.html#ap)
|ppm install http://www.bribes.org/perl/ppm/Win32-GUI.ppd
(I haven't tested it)
I am also in dialog with ActiveState, and it *should* get in their
repository on their next build cycle (which was supposed to be last
Tuesday night, but it doesn't look like it happened yet)
Rob.
|
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