| Subject: | trigger function are not called with the 3rd parameter (the old value) |
Hello
trigger should call trigger function with 3 parameters (unless the
attribute was never set).
With Mouse, the 3rd parameters (the old value) is never passed to the
trigger function:
$ ANY_MOOSE=Mouse perl -Ilib t/slider.t
1..3
_new_image got SDLx::SlideShow::RollOver=HASH(0x1821ce8)
SDLx::App=SCALAR(0x1821310)
ok 1 - slider created with current image
_new_image got SDLx::SlideShow::RollOver=HASH(0x1821ce8)
SDLx::Surface=SCALAR(0x182f280)
_new_image got SDLx::SlideShow::RollOver=HASH(0x1821ce8)
SDLx::Surface=SCALAR(0x182f1d8)
_new_image got SDLx::SlideShow::RollOver=HASH(0x1821ce8)
SDLx::Surface=SCALAR(0x182f2e0)
_new_image got SDLx::SlideShow::RollOver=HASH(0x1821ce8)
SDLx::Surface=SCALAR(0x182f358)
_new_image got SDLx::SlideShow::RollOver=HASH(0x1821ce8)
SDLx::Surface=SCALAR(0x182f2f8)
ok 2 - transition done
# Looks like you planned 3 tests but ran 2.
With Moose, the trigger is called as expected:
$ ANY_MOOSE=Moose perl -Ilib t/slider.t
1..3
_new_image got SDLx::SlideShow::RollOver=HASH(0x1c7c400)
SDLx::App=SCALAR(0x1c6e310)
ok 1 - slider created with current image
_new_image got SDLx::SlideShow::RollOver=HASH(0x1c7c400)
SDLx::Surface=SCALAR(0x1c7c280) SDLx::App=SCALAR(0x1c6e310)
_new_image got SDLx::SlideShow::RollOver=HASH(0x1c7c400)
SDLx::Surface=SCALAR(0x1c7c1d8) SDLx::Surface=SCALAR(0x1c7c280)
_new_image got SDLx::SlideShow::RollOver=HASH(0x1c7c400)
SDLx::Surface=SCALAR(0x1c7c2e0) SDLx::Surface=SCALAR(0x1c7c1d8)
_new_image got SDLx::SlideShow::RollOver=HASH(0x1c7c400)
SDLx::Surface=SCALAR(0x1c7c358) SDLx::Surface=SCALAR(0x1c7c2e0)
_new_image got SDLx::SlideShow::RollOver=HASH(0x1c7c400)
SDLx::Surface=SCALAR(0x1c7c2f8) SDLx::Surface=SCALAR(0x1c7c358)
ok 2 - transition done
# Looks like you planned 3 tests but ran 2.
For the record, here's the attribute and the trigger function:
has image => (
is => 'rw',
isa => 'SDLx::Surface',
handles => { qw/width w height h/ } ,
required => 1,
trigger => \&_new_image ,
);
sub _new_image {
my ($self,$image,$old) = @_;
say "_new_image got @_" ;
# return unless @_ > 2 ;
if (defined $old) {
croak "new image does not match old image size"
unless $old->w eq $old->width and $old->h eq $old->height ;
}
$self->reset_step;
}
All the best