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macos: Provide fallback pasteboard for gtype Dnd

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The Drag data should pass through the macos pasteboard system.
We need to provide some pasteboard type. Let's make it a "URL",
which is a pretty generic type anyway.
This commit is contained in:
Arjan Molenaar 2023-01-11 23:17:24 +01:00
parent 422b4b6561
commit 1d8a23e97b
1 changed files with 20 additions and 1 deletions
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21
gdk/macos/gdkmacospasteboard.c
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@ -372,7 +372,7 @@ _gdk_macos_pasteboard_register_drag_types (NSWindow *window)
serializable = gdk_content_formats_union_serialize_mime_types (serializable);
mime_types = gdk_content_formats_get_mime_types (serializable, &n_mime_types);
for (guint i = 0; mime_types[i]; i++)
for (gsize i = 0; i < n_mime_types; i++)
{
const char *mime_type = mime_types[i];
NSPasteboardType type;
@ -386,6 +386,25 @@ _gdk_macos_pasteboard_register_drag_types (NSWindow *window)
}
}
gdk_content_formats_unref (serializable);
/* Default to an url type (think gobject://internal)
* to support internal, GType-based DnD.
*/
if (n_mime_types == 0)
{
GdkContentFormats *formats;
gsize n_gtypes;
formats = gdk_content_provider_ref_formats (self->_contentProvider);
gdk_content_formats_get_gtypes (formats, &n_gtypes);
if (n_gtypes)
[ret addObject:NSPasteboardTypeURL];
gdk_content_formats_unref (formats);
}
return g_steal_pointer (&ret);
}