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Add the arrow element

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This commit is contained in:
cnjinhao
2015-01-19 02:12:29 +08:00
parent 5b025ccd20
commit a9d063ab17
3 changed files with 314 additions and 16 deletions
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10
include/nana/basic_types.hpp
View File

@@ -464,6 +464,16 @@ namespace nana
{
top, center, bottom
};
///The definition of the four corners of the world
enum class direction
{
north,
south,
east,
west,
southeast
};
}//end namespace nana
#endif

50
include/nana/gui/element.hpp
View File

@@ -61,6 +61,14 @@ namespace nana
virtual bool draw(graph_reference, const ::nana::color& bgcolor, const ::nana::color& fgcolor, const ::nana::rectangle&, element_state, unsigned weight) = 0;
};
class arrow_interface
{
public:
using graph_reference = paint::graphics&;
virtual ~arrow_interface() = default;
virtual bool draw(graph_reference, const ::nana::color& bgcolor, const ::nana::color& fgcolor, const ::nana::rectangle&, element_state, direction) = 0;
};
class provider
{
public:
@@ -95,6 +103,9 @@ namespace nana
void add_border(const std::string&, const pat::cloneable<factory_interface<border_interface>>&);
border_interface* const * keeper_border(const std::string&);
void add_arrow(const std::string&, const pat::cloneable<factory_interface<arrow_interface>>&);
arrow_interface* const * keeper_arrow(const std::string&);
};
class crook;
@@ -106,13 +117,20 @@ namespace nana
}
class border;
template<typename BorderElement>
void add_border(const std::string& name)
{
using factory_t = provider::factory<BorderElement, border_interface>;
provider().add_border(name, pat::cloneable<typename factory_t::interface_type>(factory_t()));
}
class arrow;
template<typename ArrowElement>
void add_arrow(const std::string& name)
{
using factory_t = provider::factory<ArrowElement, arrow_interface>;
provider().add_arrow(name, pat::cloneable<typename factory_t::interface_type>(factory_t()));
}
}//end namespace element
template<typename Element> class facade;
@@ -125,8 +143,7 @@ namespace nana
using graph_reference = ::nana::paint::graphics &;
using state = element::crook_interface::state;
facade();
facade(const char* name);
facade(const char* name = nullptr);
facade & reverse();
facade & check(state);
@@ -150,8 +167,7 @@ namespace nana
{
using graph_reference = ::nana::paint::graphics &;
public:
facade();
facade(const char* name);
facade(const char* name = nullptr);
void switch_to(const char*);
public:
@@ -161,6 +177,30 @@ namespace nana
element::border_interface* const * keeper_;
};//end class facade<element::border>
template<>
class facade<element::arrow>
: public element::element_interface
{
using graph_reference = ::nana::paint::graphics &;
public:
enum class style
{
solid
};
facade(const char* name = nullptr);
void switch_to(const char*);
void direction(::nana::direction);
public:
//Implement element_interface
bool draw(graph_reference, const nana::color& bgcolor, const nana::color& fgcolor, const nana::rectangle&, element_state) override;
private:
element::arrow_interface* const * keeper_;
::nana::direction dir_{::nana::direction::north};
};//end class facade<element::arrow>
namespace element
{
void set_bground(const char* name, const pat::cloneable<element_interface>&);