diff options
Diffstat (limited to 'externals/grill/flext/tutorial/attr2/main.cpp')
| -rw-r--r-- | externals/grill/flext/tutorial/attr2/main.cpp | 46 |
1 files changed, 27 insertions, 19 deletions
diff --git a/externals/grill/flext/tutorial/attr2/main.cpp b/externals/grill/flext/tutorial/attr2/main.cpp index b1536117..d6df4e78 100644 --- a/externals/grill/flext/tutorial/attr2/main.cpp +++ b/externals/grill/flext/tutorial/attr2/main.cpp @@ -7,7 +7,11 @@ WARRANTIES, see the file, "license.txt," in this distribution. ------------------------------------------------------------------------- -This is an example of an object doing various float operations +This is an example of an object doing various float operations. + +Methods and attributes are registered at class level (opposed to object level in example "attr1"). +For details, see also example "adv2" + */ @@ -58,26 +62,27 @@ private: static void setup(t_class *); // callback for method "m_trigger" (with one float argument) - FLEXT_CALLBACK_F(m_trigger); + FLEXT_CALLBACK_F(m_trigger) // define attribute callbacks for variable "arg" ("ATTRVAR" means GET and SET) - FLEXT_ATTRVAR_F(arg); + FLEXT_ATTRVAR_F(arg) // define attribute callbacks for variable "res" (GET only) - FLEXT_ATTRGET_F(res); + FLEXT_ATTRGET_F(res) // methods for getting/setting the operation mode void opget(const t_symbol *&s) const; void opset(const t_symbol *&s); // define attribute callbacks for variable "res" (GET only) - FLEXT_CALLGET_S(opget); - FLEXT_CALLSET_S(opset); + FLEXT_CALLGET_S(opget) + FLEXT_CALLSET_S(opset) }; // instantiate the class FLEXT_NEW("attr2",attr2) + // instantiate static variables const t_symbol *attr2::sym_set, @@ -85,7 +90,7 @@ const t_symbol *attr2::sym_div,*attr2::sym_mul, *attr2::sym_pow; -void attr2::setup(t_class *) +void attr2::setup(t_class *c) { // Upon class creation setup some symbols // This is done only upon creation of of the first "attr2" object @@ -95,6 +100,21 @@ void attr2::setup(t_class *) sym_mul = MakeSymbol("*"); sym_div = MakeSymbol("/"); sym_pow = MakeSymbol("**"); + + + // setup methods and attributes at class scope + + // register method (for floats) "m_trigger" for inlet 0 + FLEXT_CADDMETHOD(c,0,m_trigger); + + // register attribute "arg" with the variable "arg" + FLEXT_CADDATTR_VAR1(c,"arg",arg); + + // register attribute "result" with variable "res" + FLEXT_CADDATTR_GET(c,"result",res); + + // register attribute "op" with methods "opget" and "opset" + FLEXT_CADDATTR_VAR(c,"op",opget,opset); } @@ -107,18 +127,6 @@ attr2::attr2(): // define outlets AddOutFloat(); // one float outlet (has index 0) - - // register method (for floats) "m_trigger" for inlet 0 - FLEXT_ADDMETHOD(0,m_trigger); - - // register attribute "arg" with the variable "arg" - FLEXT_ADDATTR_VAR1("arg",arg); - - // register attribute "result" with variable "res" - FLEXT_ADDATTR_GET("result",res); - - // register attribute "op" with methods "opget" and "opset" - FLEXT_ADDATTR_VAR("op",opget,opset); } // receive an operand, do the math operation and trigger the output |