(OSX) Improvements:

Pause emulation while settings window is open
	Allow negative numbers to be input in the settings list
	Don't crash when changing a setting value to an empty string

apple/OSX/settings.m

@@ -114,13 +114,11 @@ static const char* get_axis_name(const rarch_setting_t* setting)
       {
          unichar ch = [partialString characterAtIndex:i];
          
-         if (self.allowsFloats && !hasDot && ch == '.')
-         {
-            hasDot = true;
+         if (i == 0 && (!self.minimum || self.minimum.intValue < 0) && ch == '-')
             continue;
-         }
-         
-         if (!isnumber(ch))
+         else if (self.allowsFloats && !hasDot && ch == '.')
+            hasDot = true;
+         else if (!isdigit(ch))
             return NO;
       }
 
@@ -216,7 +214,7 @@ static const char* get_axis_name(const rarch_setting_t* setting)
 
 - (void)setStringValue:(NSString *)stringValue
 {
-   _stringValue = stringValue;
+   _stringValue = stringValue ? stringValue : @"";
    
    if (_setting && (_setting->type == ST_STRING || _setting->type == ST_PATH))
       strlcpy(_setting->value, _stringValue.UTF8String, _setting->size);
@@ -291,6 +289,8 @@ static const char* get_axis_name(const rarch_setting_t* setting)
 
 - (void)awakeFromNib
 {
+   apple_enter_stasis();
+
    NSMutableArray* thisGroup = nil;
    NSMutableArray* thisSubGroup = nil;
    _settings = [NSMutableArray array];
@@ -400,7 +400,7 @@ static const char* get_axis_name(const rarch_setting_t* setting)
    config_file_write(conf, apple_platform.globalConfigFile.UTF8String);
    config_file_free(conf);
 
-   apple_refresh_config();
+   apple_exit_stasis(true);
 
    [NSApp stopModal];
 }

apple/common/RetroArch_Apple.h

@@ -55,7 +55,7 @@ extern void apple_event_show_rgui(void* userdata);
 
 extern void apple_refresh_config();
 extern void apple_enter_stasis();
-extern void apple_exit_stasis();
+extern void apple_exit_stasis(bool reload_config);
 extern void apple_run_core(RAModuleInfo* core, const char* file);
 
 // utility.m

apple/common/main.m

@@ -71,8 +71,6 @@ pthread_mutex_t stasis_mutex = PTHREAD_MUTEX_INITIALIZER;
 
 static void event_stasis(void* userdata)
 {
-   // HACK: uninit_drivers is the nuclear option; uninit_audio would be better but will
-   //       crash when resuming.
    uninit_drivers();
    pthread_mutex_lock(&stasis_mutex);
    pthread_mutex_unlock(&stasis_mutex);
@@ -88,8 +86,14 @@ void apple_enter_stasis()
    }
 }
 
-void apple_exit_stasis()
+void apple_exit_stasis(bool reload_config)
 {
+   if (reload_config)
+   {
+      objc_clear_config_hack();
+      config_load();
+   }
+
    if (apple_is_running)
       pthread_mutex_unlock(&stasis_mutex);
 }

apple/iOS/platform.m

@@ -132,7 +132,7 @@ static void handle_touch_event(NSArray* touches)
 
 - (void)applicationDidBecomeActive:(UIApplication *)application
 {
-   apple_exit_stasis();
+   apple_exit_stasis(false);
 }
 
 - (void)applicationWillResignActive:(UIApplication *)application