Multiple language-related updates

Add the possibility to change runtime language, via --lang parameter. Also specify the verbose language code in the Hungarian translation.

src/86box.c

@@ -433,6 +433,7 @@ usage:
 #endif
 			printf("-F or --fullscreen   - start in fullscreen mode\n");
 #ifdef _WIN32
+			printf("-G or --lang langid  - start the application with the specified language\n");
 			printf("-H or --hwnd id,hwnd - sends back the main dialog's hwnd\n");
 #endif
 			printf("-L or --logfile path - set 'path' to be the logfile\n");
@@ -512,6 +513,18 @@ usage:
 			uid = (uint32_t *) &unique_id;
 			shwnd = (uint32_t *) &source_hwnd;
 			sscanf(argv[++c], "%08X%08X,%08X%08X", uid + 1, uid, shwnd + 1, shwnd);
+		} else if (!strcasecmp(argv[c], "--lang") ||
+			   !strcasecmp(argv[c], "-G")) {
+
+
+		  //This function is currently unimplemented for *nix.
+
+		  if (!plat_set_language(argv[++c]))
+			 printf("\nWarning: Invalid language code, ignoring --lang parameter.\n\n");
+
+		  //The return value of 0 only means that the code is invalid,
+		  //  not related to that translation is exists or not for the
+          //  selected language.
 #endif
 		} else if (!strcasecmp(argv[c], "--test")) {
 			/* some (undocumented) test function here.. */

src/include/86box/plat.h

@@ -121,6 +121,7 @@ extern void	plat_setfullscreen(int on);
 extern void	plat_resize(int x, int y);
 extern void	plat_vidapi_enable(int enabled);
 extern void	plat_vid_reload_options(void);
+extern int plat_set_language(char* langcode);
 
 /* Resource management. */
 extern void	set_language(int id);

src/unix/unix.c

@@ -1220,6 +1220,14 @@ char* plat_vidapi_name(int i)
 {
     return "default";
 }
+
+/* Sets up the program language before initialization. */
+int plat_set_language(char* langcode)
+{
+    /* or maybe not */ 
+    return 0;
+}
+
 void joystick_init(void) {}
 void joystick_close(void) {}
 void joystick_process(void) {}

src/win/languages/hu-HU.rc

@@ -5,7 +5,7 @@
 // 
 
 #ifdef _WIN32
-LANGUAGE 0x0E,0x01
+LANGUAGE LANG_HUNGARIAN, SUBLANG_DEFAULT
 #pragma code_page(65001)
 #endif //_WIN32
 

src/win/win.c

@@ -1163,6 +1163,23 @@ plat_vid_reload_options(void)
 	vid_apis[vid_api].reload();
 }
 
+/* Sets up the program language before initialization. */
+int
+plat_set_language(char* langcode)
+{
+	int len = mbstoc16s(NULL, langcode, 0) + 1;
+	wchar_t *temp = malloc(len * sizeof(wchar_t));
+	mbstoc16s(temp, langcode, len);
+
+	LCID lcid = LocaleNameToLCID((LPWSTR)temp, 0);
+
+	free(temp);
+
+	if (lcid)
+		return (SetThreadUILanguage(lcid) == lcid);
+	else
+		return 0;
+}
 
 void
 take_screenshot(void)