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mirror of synced 2024-12-18 18:45:53 +01:00
ImHex/main/gui/source/init/run/web.cpp

81 lines
2.7 KiB
C++

#if defined(OS_WEB)
#include <emscripten.h>
#include <emscripten/html5.h>
#include <hex/api/imhex_api.hpp>
#include <hex/api/event_manager.hpp>
#include <hex/api/task_manager.hpp>
#include <window.hpp>
#include <init/run.hpp>
namespace hex::init {
void saveFsData() {
EM_ASM({
FS.syncfs(function (err) {
if (!err)
return;
alert("Failed to save permanent file system: "+err);
});
});
}
int runImHex() {
static std::unique_ptr<init::WindowSplash> splashWindow;
splashWindow = initializeImHex();
RequestRestartImHex::subscribe([&] {
MAIN_THREAD_EM_ASM({
location.reload();
});
});
// Draw the splash window while tasks are running
emscripten_set_main_loop_arg([](void *arg) {
auto &splashWindow = *reinterpret_cast<std::unique_ptr<init::WindowSplash>*>(arg);
FrameResult frameResult = splashWindow->fullFrame();
if (frameResult == FrameResult::Success) {
handleFileOpenRequest();
// Clean up everything after the main window is closed
emscripten_set_beforeunload_callback(nullptr, [](int eventType, const void *reserved, void *userData) {
hex::unused(eventType, reserved, userData);
emscripten_cancel_main_loop();
try {
saveFsData();
deinitializeImHex();
return "";
} catch (const std::exception &e) {
static std::string message;
message = hex::format("Failed to deinitialize ImHex!\nThis is just a message warning you of this, the application has already closed, you probably can't do anything about it.\n\nError: {}", e.what());
return message.c_str();
}
});
// Delete splash window (do it before creating the main window so glfw destroys the window)
splashWindow.reset();
emscripten_cancel_main_loop();
// Main window
static std::optional<Window> window;
window.emplace();
emscripten_set_main_loop([]() {
window->fullFrame();
}, 60, 0);
}
}, &splashWindow, 60, 0);
return -1;
}
}
#endif