first version working with no option to disable live reloading

src/console.c

@@ -2277,30 +2277,57 @@ static void cmdLoadCart(Console* console, const char* name)
 	}
 }
 
+static bool loadFileIntoBuffer(Console* console, char* buffer, const char* fileName)
+{
+	s32 size = 0;
+	void* contents = fsReadFile(fileName, &size);
+
+	memset(buffer, 0, TIC_CODE_SIZE);
+
+	if(contents)
+	{
+		if(size > TIC_CODE_SIZE)
+		{
+			char messageBuffer[256];
+			sprintf(messageBuffer, "\n code is larger than %i symbols\n", TIC_CODE_SIZE);
+
+			printError(console, messageBuffer);
+		}
+
+		memcpy(buffer, contents, SDL_min(size, TIC_CODE_SIZE-1));
+		SDL_free(contents);
+
+		embed.yes = true;
+		embed.fast = true;
+
+		return true;
+	}
+
+	return false;
+}
+
+static void tryReloadCode(Console* console, char* codeBuffer)
+{
+	if(console->codeLiveReload.active)
+	{
+		const char* fileName = console->codeLiveReload.fileName;
+		loadFileIntoBuffer(console, codeBuffer, fileName);
+	}
+}
+
 static void cmdInjectCode(Console* console, const char* param, const char* name)
 {
 	if(strcmp(param, "-code") == 0)
 	{
-		s32 size = 0;
+		bool loaded = loadFileIntoBuffer(console, &embed.file.code.data, name);
-		void* code = fsReadFile(name, &size);
 
-		memset(embed.file.code.data, 0, sizeof(tic_code));
+		if(loaded)
-
-		if(code)
 		{
-			if(size > TIC_CODE_SIZE)
-			{
-				char buffer[256];
-				sprintf(buffer, "\n code is larger than %i symbols\n", TIC_CODE_SIZE);
-
-				printError(console, buffer);
-			}
-
-			memcpy(embed.file.code.data, code, SDL_min(size, TIC_CODE_SIZE-1));
-			SDL_free(code);
-
 			embed.yes = true;
 			embed.fast = true;
+
+			console->codeLiveReload.active = true;
+			strcpy(console->codeLiveReload.fileName, name);
 		}
 	}
 }
@@ -2393,6 +2420,11 @@ void initConsole(Console* console, tic_mem* tic, FileSystem* fs, Config* config,
 			.start = 0,
 			.active = false,
 		},
+		.codeLiveReload =
+		{
+			.active = false,
+			.reload = tryReloadCode,
+		},
 		.inputPosition = 0,
 		.history = NULL,
 		.historyHead = NULL,
@@ -2407,6 +2439,8 @@ void initConsole(Console* console, tic_mem* tic, FileSystem* fs, Config* config,
 	memset(console->buffer, 0, CONSOLE_BUFFER_SIZE);
 	memset(console->colorBuffer, TIC_COLOR_BG, CONSOLE_BUFFER_SIZE);
 
+	memset(console->codeLiveReload.fileName, 0, FILENAME_MAX);
+
 	if(argc)
 	{
 		strcpy(console->appPath, argv[0]);

src/console.h

@@ -61,6 +61,14 @@ struct Console
 		bool active;
 	} scroll;
 
+	struct
+	{
+		char fileName[FILENAME_MAX];
+		bool active;
+
+		void(*reload)(Console*, char*);
+	} codeLiveReload;
+
 	char* buffer;
 	u8* colorBuffer;
 

src/studio.c

@@ -1739,6 +1739,13 @@ SDL_Event* pollEvent()
 			switch(event.window.event)
 			{
 			case SDL_WINDOWEVENT_RESIZED: updateGamepadParts(); break;
+			case SDL_WINDOWEVENT_FOCUS_GAINED:
+				{
+					studio.console.codeLiveReload.reload(&studio.console,studio.code.data);
+					if(studio.code.update)
+						studio.code.update(&studio.code);
+				}
+				break;
 			}
 			break;
 		case SDL_FINGERUP: