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change the implementation of pat::cloneable

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This commit is contained in:
Jinhao
2015-08-17 01:37:56 +08:00
parent c1e9ea3daf
commit 4323977908
10 changed files with 183 additions and 77 deletions
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43
source/gui/element.cpp
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@@ -28,6 +28,14 @@ namespace nana
//Element definitions
namespace element
{
namespace detail
{
void factory_abstract::destroy(element_abstract* ptr)
{
delete ptr;
}
}
class crook
: public crook_interface
{
@@ -592,8 +600,9 @@ namespace nana
class element_object
: nana::noncopyable, nana::nonmovable
{
typedef ElementInterface element_t;
typedef pat::cloneable<element::provider::factory_interface<element_t>> factory_interface;
using element_type = ElementInterface;
using factory_interface = pat::cloneable<element::provider::factory_interface<element_type>>; //deprecated
//using factory_interface = pat::cloneable<element::detail::factory_abstract>;
public:
~element_object()
@@ -608,7 +617,8 @@ namespace nana
auto keep_e = element_ptr_;
factory_ = rhs;
element_ptr_ = factory_->create();
element_ptr_ = factory_->create(); //deprecated
//element_ptr_ = static_cast<element_type*>(static_cast<element::provider::factory_interface<element_type>&>(*factory_).create());
if(nullptr == factory_ || nullptr == element_ptr_)
{
@@ -624,22 +634,27 @@ namespace nana
spare_.emplace_back(keep_e, keep_f);
}
element_t * const * cite() const
element_type * const * cite() const
{
return &element_ptr_;
}
private:
factory_interface factory_; //Keep the factory for destroying the element
element_t * element_ptr_{nullptr};
std::vector<std::pair<element_t*, factory_interface>> spare_;
element_type * element_ptr_{nullptr};
std::vector<std::pair<element_type*, factory_interface>> spare_;
};
class element_manager
: nana::noncopyable, nana::nonmovable
{
//VC2012 does not support alias declaration.
//template<typename E> using factory_interface = element::provider::factory_interface<E>;
/*
template<typename ElementInterface> //deprecated
struct item
{
element_object<ElementInterface> * employee;
std::map<std::string, std::shared_ptr<element_object<ElementInterface>>> table;
};
*/
template<typename ElementInterface>
struct item
{
@@ -1047,19 +1062,21 @@ namespace nana
namespace element
{
using brock = ::nana::detail::bedrock;
void set_bground(const char* name, const pat::cloneable<element_interface>& obj)
{
detail::bedrock::instance().get_element_store().bground(name, obj);
brock::instance().get_element_store().bground(name, obj);
}
void set_bground(const char* name, pat::cloneable<element_interface> && obj)
{
detail::bedrock::instance().get_element_store().bground(name, std::move(obj));
brock::instance().get_element_store().bground(name, std::move(obj));
}
//class cite
cite_bground::cite_bground(const char* name)
: ref_ptr_(detail::bedrock::instance().get_element_store().bground(name))
: ref_ptr_(brock::instance().get_element_store().bground(name))
{
}
@@ -1073,7 +1090,7 @@ namespace nana
void cite_bground::set(const char* name)
{
holder_.reset();
ref_ptr_ = detail::bedrock::instance().get_element_store().bground(name);
ref_ptr_ = brock::instance().get_element_store().bground(name);
}
bool cite_bground::draw(graph_reference dst, const ::nana::color& bgcolor, const ::nana::color& fgcolor, const nana::rectangle& r, element_state state)