Add set_droppable

ui/drivers/cocoa/cocoa_common.m

@@ -64,7 +64,9 @@ void *glkitview_init(void);
    
 #if defined(HAVE_COCOA)
    [self setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
-    [self registerForDraggedTypes:[NSArray arrayWithObjects:NSColorPboardType, NSFilenamesPboardType, nil]];
+   ui_window_cocoa_t view;
+   view.data = (CocoaView*)self;
+   ui_window_cocoa_set_droppable(&view, true);
 #elif defined(HAVE_COCOATOUCH)
    self.view = (__bridge GLKView*)glkitview_init();
    

ui/drivers/cocoa/ui_cocoa_window.h

@@ -43,6 +43,8 @@ void ui_window_cocoa_destroy(void *data);
 
 void ui_window_cocoa_set_title(void *data, char *buf);
 
+void ui_window_cocoa_set_droppable(void *data, bool droppable);
+
 RETRO_END_DECLS
 
 #endif

ui/drivers/cocoa/ui_cocoa_window.m

@@ -55,10 +55,26 @@ void ui_window_cocoa_set_title(void *data, char *buf)
    [[cocoa_view window] setTitle:[NSString stringWithCString:text encoding:NSUTF8StringEncoding]];
 }
 
+void ui_window_cocoa_set_droppable(void *data, bool droppable)
+{
+   ui_window_cocoa_t *cocoa = (ui_window_cocoa_t*)data;
+   CocoaView *cocoa_view    = (CocoaView*)cocoa->data;
+
+   if (droppable)
+   {
+      [[cocoa_view window] registerForDraggedTypes:[NSArray arrayWithObject:NSFilenamesPboardType]];
+   }
+   else
+   {
+      [[cocoa_view window] unregisterDraggedTypes];
+   }
+}
+
 const ui_window_t ui_window_cocoa = {
    ui_window_cocoa_destroy,
    ui_window_cocoa_set_focused,
    ui_window_cocoa_set_visible,
    ui_window_cocoa_set_title,
+   ui_window_cocoa_set_droppable,
    "cocoa"
 };

ui/drivers/null/ui_null_window.c

@@ -38,10 +38,15 @@ static void ui_window_null_set_title(void *data, char *buf)
 {
 }
 
+static void ui_window_null_set_droppable(void *data, bool droppable)
+{
+}
+
 const ui_window_t ui_window_null = {
    ui_window_null_destroy,
    ui_window_null_set_focused,
    ui_window_null_set_visible,
    ui_window_null_set_title,
+   ui_window_null_set_droppable,
    "null"
 };

ui/drivers/win32/ui_win32_window.c

@@ -73,10 +73,15 @@ void ui_window_win32_set_title(void *data, char *buf)
    SetWindowText(window->hwnd, buf);
 }
 
+void ui_window_win32_set_droppable(void *data, bool droppable)
+{
+}
+
 const ui_window_t ui_window_win32 = {
    ui_window_win32_destroy,
    ui_window_win32_set_focused,
    ui_window_win32_set_visible,
    ui_window_win32_set_title,
+   ui_window_win32_set_droppable,
    "win32"
 };

ui/drivers/win32/ui_win32_window.h

@@ -46,6 +46,8 @@ void ui_window_win32_destroy(void *data);
 
 void ui_window_win32_set_title(void *data, char *buf);
 
+void ui_window_win32_set_droppable(void *data, bool droppable);
+
 RETRO_END_DECLS
 
 #endif

ui/ui_companion_driver.h

@@ -37,6 +37,7 @@ typedef struct ui_window
    void (*set_focused)(void *data);
    void (*set_visible)(void *data, bool visible);
    void (*set_title)(void *data, char *buf);
+   void (*set_droppable)(void *data, bool droppable);
    const char *ident;
 } ui_window_t;