GUI: Move running check into frontend

src/feature/gui/gui-runner.c

@@ -18,10 +18,6 @@
 #include <mgba-util/png-io.h>
 #include <mgba-util/vfs.h>
 
-#ifdef _3DS
-#include <3ds.h>
-#endif
-
 #include <sys/time.h>
 
 mLOG_DECLARE_CATEGORY(GUI_RUNNER);
@@ -334,13 +330,13 @@ void mGUIRun(struct mGUIRunner* runner, const char* path) {
 		gettimeofday(&tv, 0);
 		runner->lastFpsCheck = 1000000LL * tv.tv_sec + tv.tv_usec;
 
-		while (true) {
-#ifdef _3DS
-			running = aptMainLoop();
-			if (!running) {
-				break;
+		while (running) {
+			if (runner->running) {
+				running = runner->running(runner);
+				if (!running) {
+					break;
+				}
 			}
-#endif
 			uint32_t guiKeys;
 			uint32_t heldKeys;
 			GUIPollInput(&runner->params, &guiKeys, &heldKeys);

src/feature/gui/gui-runner.h

@@ -70,6 +70,7 @@ struct mGUIRunner {
 	void (*incrementScreenMode)(struct mGUIRunner*);
 	void (*setFrameLimiter)(struct mGUIRunner*, bool limit);
 	uint16_t (*pollGameInput)(struct mGUIRunner*);
+	bool (*running)(struct mGUIRunner*);
 };
 
 void mGUIInit(struct mGUIRunner*, const char* port);

src/platform/3ds/main.c

@@ -678,6 +678,10 @@ static void _setFrameLimiter(struct mGUIRunner* runner, bool limit) {
 	tickCounter = svcGetSystemTick();
 }
 
+static bool _running(struct mGUIRunner* runner) {
+	return aptMainLoop();
+}
+
 static uint32_t _pollInput(const struct mInputMap* map) {
 	hidScanInput();
 	int activeKeys = hidKeysHeld();
@@ -1020,7 +1024,8 @@ int main() {
 		.unpaused = _gameLoaded,
 		.incrementScreenMode = _incrementScreenMode,
 		.setFrameLimiter = _setFrameLimiter,
-		.pollGameInput = _pollGameInput
+		.pollGameInput = _pollGameInput,
+		.running = _running
 	};
 
 	mGUIInit(&runner, "3ds");