[nostalgia/studio] Add creation of StudioContext

src/nostalgia/studio/main.cpp

@@ -6,6 +6,7 @@
 
 #include <nostalgia/core/core.hpp>
 
+#include "lib/context.hpp"
 #include "studioapp.hpp"
 
 namespace nostalgia {
@@ -23,7 +24,8 @@ class StudioUIDrawer: public core::Drawer {
 };
 
 static int eventHandler(core::Context *ctx) noexcept {
-	auto ui = core::applicationData<StudioUI>(ctx);
+	auto sctx = core::applicationData<studio::StudioContext>(ctx);
+	auto ui = dynamic_cast<StudioUI*>(sctx->ui);
 	ui->update();
 	return 16;
 }
@@ -32,9 +34,11 @@ static ox::Error run(ox::UniquePtr<ox::FileSystem> fs) noexcept {
 	oxRequireM(ctx, core::init(std::move(fs), "NostalgiaStudio"));
 	core::setWindowTitle(ctx.get(), "Nostalgia Studio");
 	core::setEventHandler(ctx.get(), eventHandler);
+	studio::StudioContext studioCtx;
+	core::setApplicationData(ctx.get(), &studioCtx);
 	StudioUI ui(ctx.get());
+	studioCtx.ui = &ui;
 	StudioUIDrawer drawer(&ui);
-	core::setApplicationData(ctx.get(), &ui);
 	ctx->drawers.emplace_back(&drawer);
 	return core::run(ctx.get());
 }