DLL_LOCAL void not_valid(VALUE val, VALUE klass)
{
rb_raise(
rb_eTypeError,
"%" PRIsVALUE " is not valid %" PRIsVALUE,
RB_OBJ_STRING(val), RB_CLASSNAME(klass)
);
}
bool check_class(VALUE obj, VALUE klass)
{
bool result = rb_obj_is_kind_of(obj, klass);
if(!result)
rb_raise(rb_eTypeError,
"Expected %" PRIsVALUE " got %" PRIsVALUE "!",
RB_CLASSNAME(klass),
RB_OBJ_CLASSNAME(obj)
);
return result;
}
VALUE wrapTypedPtr(void *arg,VALUE klass, bool allowNull)
{
if(arg || allowNull){
rb_data_type_t* datatype = unwrapDataType(klass);
if(!datatype)
rb_fatal("%" PRIsVALUE " unknown datatype", RB_CLASSNAME(klass));
return TypedData_Wrap_Struct(klass, datatype, arg);
}
return Qnil;
}
bool check_negative_size(const int &width, const int &height)
{
if(height <= 0 || width <= 0)
{
rb_raise(rb_eArgError,
"%" PRIsVALUE "(%d, %d) does have invalid size.",
RB_CLASSNAME(rb_cWXSize),
width, height
);
return false;
}
return true;
}
/*
* call-seq:
* get_page_image(pos) -> Integer
*
* returns the image idx of the given page.
* ===Arguments
* * pos is a Integer
*
* ===Return value
* Integer
* === Exceptions
* [IndexError]
* * pos is greater than the count of pages
*/
DLL_LOCAL VALUE _get_page_image(VALUE self,VALUE idx)
{
#if wxUSE_AUI
//TODO should be fixed in wx
if(rb_obj_is_kind_of(self,rb_cWXAuiNotebook))
rb_raise(
rb_eArgError,"get_page_image is not supported for %" PRIsVALUE,
RB_CLASSNAME(rb_cWXAuiNotebook)
);
#endif
int cidx(NUM2INT(idx));
if(check_index(cidx,_self->GetPageCount()))
return INT2NUM(_self->GetPageImage(cidx));
return Qnil;
}
void app_protected()
{
if(!ruby_app_inited)
rb_raise(rb_eArgError,"%" PRIsVALUE " is not running.",RB_CLASSNAME(rb_cWXApp));
}