Support command-line arguments in application context

libs/app/include/psemek/app/application.hpp

@@ -22,6 +22,7 @@ namespace psemek::app
 		// Data received from platform backend after initialization
 		struct context
 		{
+			std::vector<std::string> args;
 			std::function<void(bool)> show_cursor;
 			std::function<void(bool)> vsync;
 		};

libs/sdl2/source/main.cpp

@@ -9,7 +9,7 @@
 
 #undef main
 
-int main() try
+int main(int argc, char ** argv) try
 {
 	using namespace psemek;
 
@@ -32,6 +32,8 @@ int main() try
 	gfx::init();
 
 	app::application::context context;
+	for (int i = 0; i < argc; ++i)
+		context.args.push_back(argv[i]);
 	context.show_cursor = [&](bool show){ window.show_cursor(show); };
 	context.vsync = [&](bool on){ window.vsync(on); };