macosx: Add "Preload MKVs in local dir" to simple prefs

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
(cherry picked from commit 04c1aeb226a0b228bb2e61d843a190a594c685c8)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/gui/macosx/simple_prefs.h

@@ -80,6 +80,7 @@
     IBOutlet id o_input_rtsp_ckb;
     IBOutlet id o_input_skipLoop_txt;
     IBOutlet id o_input_skipLoop_pop;
+    IBOutlet id o_input_mkv_preload_dir_ckb;
     IBOutlet id o_input_view;
 
     IBOutlet id o_intf_style_txt;

modules/gui/macosx/simple_prefs.m

@@ -257,6 +257,7 @@ create_toolbar_item( NSString * o_itemIdent, NSString * o_name, NSString * o_des
     [o_input_postproc_txt setStringValue: _NS("Post-Processing Quality")];
     [o_input_rtsp_ckb setTitle: _NS("Use RTP over RTSP (TCP)")];
     [o_input_skipLoop_txt setStringValue: _NS("Skip the loop filter for H.264 decoding")];
+    [o_input_mkv_preload_dir_ckb setTitle: _NS("Preload MKV files in the same directory")];
 
     /* interface */
     [o_intf_style_txt setStringValue: _NS("Interface style")];
@@ -568,6 +569,8 @@ static inline char * __config_GetLabel( vlc_object_t *p_this, const char *psz_na
     [self setupButton: o_input_rtsp_ckb forBoolValue: "rtsp-tcp"];
     [self setupButton: o_input_skipLoop_pop forIntList: "ffmpeg-skiploopfilter"];
 
+    [self setupButton: o_input_mkv_preload_dir_ckb forBoolValue: "mkv-preload-local-dir"];
+
     [o_input_cachelevel_pop removeAllItems];
     [o_input_cachelevel_pop addItemsWithTitles:
         [NSArray arrayWithObjects: _NS("Custom"), _NS("Lowest latency"), _NS("Low latency"), _NS("Normal"),
@@ -894,6 +897,8 @@ static inline void save_module_list( intf_thread_t * p_intf, id object, const ch
         config_PutInt( p_intf, "rtsp-tcp", [o_input_rtsp_ckb state] );
         SaveIntList( o_input_skipLoop_pop, "ffmpeg-skiploopfilter" );
 
+        config_PutInt( p_intf, "mkv-preload-local-dir", [o_input_mkv_preload_dir_ckb state] );
+
         #define CaCi( name, int ) config_PutInt( p_intf, name, int * [[o_input_cachelevel_pop selectedItem] tag] )
         #define CaC( name ) CaCi( name, 1 )
         msg_Dbg( p_intf, "Adjusting all cache values to: %i", (int)[[o_input_cachelevel_pop selectedItem] tag] );