平台:
Darwin*-*s-MacBook-Pro.local 11.4.2 Darwin 内核版本 11.4.2:Thu Aug 23 16:25:48 PDT 2012;root:xnu-1699.32.7~1/RELEASE_X86_64 x86_64
Ruby:
ruby 2.0.0p0(2013-02-24修订版39474)[x86_64-darwin11.4.2](由rvm安装)
Qt:
qt: 稳定版4.8.4(瓶装),HEAD
代码:
require 'Qt'
class Foo < Qt::Object
signals :my_signal #also tried 'my_signal()'
slots 'my_slot()'
def initialize(parent = nil)
super(parent)
puts "connecting signal and slot"
Qt::Object.connect(self, SIGNAL('my_signal()'), self, SLOT('my_slot()'))
# also tried => connect(self, SIGNAL('my_signal()'), self, SLOT('my_slot()'))
end
def emit_my_signal
puts "sending signal"
emit my_signal
end
def my_slot
puts "received message from signal"
end
end
o = Foo.new
o.emit_my_signal
输出:
connecting signal and slot
sending signal
使用Qt.debug_level = Qt::DebugLevel :: High进行输出
Munged method names:
QObject$
QObject?
QObject#
candidate list:
QObject* QObject::QObject(QObject*) (smoke: 0 index: 3804)
matching => smoke: 0 index: 3804
QObject* (u) score: 2
match => smoke: 0 index: 3804 score: 2 chosen: 3804
setCurrentMethod(smokeList index: 0, meth index: 3804)
connecting signal and slot
Searching for QObject#connect
Munged method names:
connect#$#$
candidate list:
static bool QObject::connect(const QObject*, const char*, const QObject*, const char*) (smoke: 0 index: 3850)
matching => smoke: 0 index: 3850
const QObject* (QObject) score: 3
const char* (s) score: 1
const QObject* (QObject) score: 3
const char* (s) score: 1
match => smoke: 0 index: 3850 score: 8 chosen: 3850
setCurrentMethod(smokeList index: 0, meth index: 3850)
sending signal
看起来emit没有起作用。我已经尝试重新安装了qt和qtbindings,但问题仍然存在。而且我也在同一台机器上尝试使用PyQt的信号和槽,它运行得非常好。
有人对此有任何想法吗?是ruby qtbindings的一个bug还是我做错了什么?