By the way, I already have some functionality completed. WebSockets, for example, now works 100% from C++ (actually I stole and improved some code from an old game I had written that I wanted to release on WIndows, Linux, Web). On Saturday, May 13, 2023 at 1:55:08 AM UTC-4 Nicholas Ingrassellino wrote:
> I have been looking at Embind for the last few days. Thank you for the > suggestion but I do not think it is what I am looking for (although I could > be wrong there, there is so much reading to learn from). > > Really my problem boils down to this: I want to create and manage the HTML > elements (I am not interested in Canvas) via C++ in order to create a new > head-only library that is the jQuery for C++/Emscripten. This is my goal, > any way. Going to be real slow going since I am only one guy (will invite > pull requests once I am happy with it). Especially if I remain stuck for a > while here. > > Thanks for any help and/or pointing me to more information! > On Friday, May 12, 2023 at 8:00:07 PM UTC-4 s...@google.com wrote: > >> Your code looks like it will correctly create the element but you cannot >> return a JS object to native code like that. >> >> You can only return basic types like numbers unless you use some kind of >> higher level binding system such as embind. >> >> See >> https://emscripten.org/docs/porting/connecting_cpp_and_javascript/Interacting-with-code.html >> >> for more information on connecting the JS and C++ worlds. >> >> On Fri, May 12, 2023 at 4:22 PM Nicholas Ingrassellino <nick...@gmail.com> >> wrote: >> >>> >>> Sorry, I do not see an edit button but I made a mistake. Here is the >>> correction: >>> It spits out emscgT �� which I thought was a good sign. Turns out trying >>> to create two different elements at two different times always says that >>> when cast to either void* or char* (all over types just give me 0). >>> On Friday, May 12, 2023 at 6:53:40 PM UTC-4 Nicholas Ingrassellino wrote: >>> >>>> Good morning all! Or good afternoon or have a great night. You know, >>>> wherever you are. >>>> >>>> I have the following code: >>>> void* createElement( const char* type ) { >>>> return EM_ASM_PTR( { >>>> return document.createElement( UTF8ToString( $0 ) ); >>>> }, type ); >>>> }; >>>> >>>> I am calling it like this: >>>> std::cout << static_cast< char* >( cppquery::html::createElement( "div" >>>> ) ) << std::endl; >>>> >>>> It spits out emscgT �� which I thought was a good sign. Turns out >>>> trying to create two different elements at two different times always says >>>> that when cast to anything other than either void* or char*. >>>> >>>> What I am trying to do is crate an element (not yet added to the DOM), >>>> store whatever (a pointer, I guess) to it, and use it later with other >>>> C++-stored JavaScript element objects. >>>> >>>> I could just do all the work on the JavaScript side and JSON.stringyify >>>> everything but that sounds like way too much. >>>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "emscripten-discuss" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to emscripten-disc...@googlegroups.com. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/emscripten-discuss/caeb2610-9aaa-4c30-8d4a-4feaad7a0f0en%40googlegroups.com >>> >>> <https://groups.google.com/d/msgid/emscripten-discuss/caeb2610-9aaa-4c30-8d4a-4feaad7a0f0en%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- You received this message because you are subscribed to the Google Groups "emscripten-discuss" group. To unsubscribe from this group and stop receiving emails from it, send an email to emscripten-discuss+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/emscripten-discuss/da3825ea-1ce2-4264-b631-974581ecc6adn%40googlegroups.com.
