summaryrefslogtreecommitdiffstats
path: root/PerlTQt/lib/TQt/attributes.pm
diff options
context:
space:
mode:
Diffstat (limited to 'PerlTQt/lib/TQt/attributes.pm')
-rw-r--r--PerlTQt/lib/TQt/attributes.pm51
1 files changed, 51 insertions, 0 deletions
diff --git a/PerlTQt/lib/TQt/attributes.pm b/PerlTQt/lib/TQt/attributes.pm
new file mode 100644
index 0000000..4398fa5
--- /dev/null
+++ b/PerlTQt/lib/TQt/attributes.pm
@@ -0,0 +1,51 @@
+package TQt::attributes;
+#
+# I plan to support public/protected/private attributes. here goes.
+# Attributes default to protected.
+#
+# package MyBase;
+# use TQt::attributes qw(
+# private:
+# foo
+# protected:
+# bar
+# public:
+# baz
+# );
+#
+# package MyDerived;
+# use TQt::isa qw(MyBase);
+#
+# sub foo {
+# # 1 way to access private attributes from derived class
+# #
+# # this->{$class} contains private attributes for $class
+# # I specify it to always work that way,
+# # so feel free to use it in code.
+# this->{MyBase}{foo} = 10;
+#
+# # 2 ways to access protected attributes
+# bar = 10;
+# this->{bar} = 10;
+#
+# # 3 ways to access public attributes
+# baz = 10;
+# this->{baz} = 10;
+# this->baz = 10;
+# }
+#
+# Attributes override any method with the same name, so you may want
+# to prefix them with _ to prevent conflicts.
+#
+sub import {
+ my $class = shift;
+ my $caller = (caller)[0];
+
+ for my $attribute (@_) {
+ exists ${ ${$caller . '::META'}{'attributes'} }{$attribute} and next;
+ TQt::_internal::installattribute($caller, $attribute);
+ ${ ${$caller . '::META'}{'attributes'} }{$attribute} = 1;
+ }
+}
+
+1;