forked from AuroraMiddleware/gtk
macos: abstract pasteboard for use in clipboard and drag
This will allow us to share a single NSPasteboardItem and data provider implementation for both GdkClipboard and GdkDrag.
This commit is contained in:
Christian Hergert
Arjan Molenaar
parent
eb5cf831b1
commit
9c3629653f
@ -43,15 +43,6 @@ NSPasteboardType _gdk_macos_clipboard_to_ns_type (const char
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const char *_gdk_macos_clipboard_from_ns_type (NSPasteboardType ns_type);
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void _gdk_macos_clipboard_register_drag_types (NSWindow *window);
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@interface GdkMacosClipboardDataProvider : GdkMacosPasteboardDataProvider
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{
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GdkClipboard *clipboard;
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}
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-(id)initClipboard:(GdkMacosClipboard *)gdkClipboard mimetypes:(const char * const *)mime_types;
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@end
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G_END_DECLS
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#endif /* __GDK_MACOS_CLIPBOARD_PRIVATE_H__ */
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@ -33,26 +33,8 @@ struct _GdkMacosClipboard
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NSInteger last_change_count;
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};
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typedef struct
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{
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GMemoryOutputStream *stream;
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NSPasteboardItem *item;
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NSPasteboardType type;
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GMainContext *main_context;
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guint done : 1;
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} WriteRequest;
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G_DEFINE_TYPE (GdkMacosClipboard, _gdk_macos_clipboard, GDK_TYPE_CLIPBOARD)
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static void
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write_request_free (WriteRequest *wr)
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{
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g_clear_pointer (&wr->main_context, g_main_context_unref);
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g_clear_object (&wr->stream);
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[wr->item release];
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g_slice_free (WriteRequest, wr);
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}
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static void
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_gdk_macos_clipboard_load_contents (GdkMacosClipboard *self)
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{
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@ -100,25 +82,27 @@ static void
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_gdk_macos_clipboard_send_to_pasteboard (GdkMacosClipboard *self,
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GdkContentProvider *content)
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{
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GdkMacosClipboardDataProvider *dataProvider;
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GdkContentFormats *serializable;
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const char * const *mime_types;
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gsize n_mime_types;
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GdkMacosPasteboardItem *item;
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NSArray<NSPasteboardItem *> *items;
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g_assert (GDK_IS_MACOS_CLIPBOARD (self));
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g_assert (GDK_IS_CONTENT_PROVIDER (content));
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serializable = gdk_content_provider_ref_storable_formats (content);
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serializable = gdk_content_formats_union_serialize_mime_types (serializable);
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mime_types = gdk_content_formats_get_mime_types (serializable, &n_mime_types);
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if (self->pasteboard == NULL)
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return;
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dataProvider = [[GdkMacosClipboardDataProvider alloc] initClipboard:self mimetypes:mime_types];
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_gdk_macos_pasteboard_send_content (self->pasteboard, content, dataProvider);
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[dataProvider release];
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GDK_BEGIN_MACOS_ALLOC_POOL;
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item = [[GdkMacosPasteboardItem alloc] initForClipboard:GDK_CLIPBOARD (self) withContentProvider:content];
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items = [NSArray arrayWithObject:item];
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[self->pasteboard clearContents];
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if ([self->pasteboard writeObjects:items] == NO)
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g_warning ("Failed to send clipboard to pasteboard");
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self->last_change_count = [self->pasteboard changeCount];
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g_clear_pointer (&serializable, gdk_content_formats_unref);
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GDK_END_MACOS_ALLOC_POOL;
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}
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static gboolean
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@ -210,111 +194,3 @@ _gdk_macos_clipboard_check_externally_modified (GdkMacosClipboard *self)
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if ([self->pasteboard changeCount] != self->last_change_count)
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_gdk_macos_clipboard_load_contents (self);
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}
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@implementation GdkMacosClipboardDataProvider
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-(id)initClipboard:(GdkMacosClipboard *)gdkClipboard mimetypes:(const char * const *)mime_types;
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{
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[super initPasteboard:gdkClipboard->pasteboard mimetypes:mime_types];
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self->clipboard = g_object_ref (GDK_CLIPBOARD (gdkClipboard));
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return self;
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}
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-(void)dealloc
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{
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g_clear_object (&self->clipboard);
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[super dealloc];
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}
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-(void)pasteboardFinishedWithDataProvider:(NSPasteboard *)pasteboard
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{
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g_clear_object (&self->clipboard);
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}
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static void
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on_data_ready_cb (GObject *object,
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GAsyncResult *result,
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gpointer user_data)
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{
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GDK_BEGIN_MACOS_ALLOC_POOL;
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GdkClipboard *clipboard = (GdkClipboard *)object;
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WriteRequest *wr = user_data;
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GError *error = NULL;
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NSData *data = nil;
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g_assert (GDK_IS_CLIPBOARD (clipboard));
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g_assert (G_IS_ASYNC_RESULT (result));
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g_assert (wr != NULL);
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g_assert (G_IS_MEMORY_OUTPUT_STREAM (wr->stream));
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g_assert ([wr->item isKindOfClass:[NSPasteboardItem class]]);
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if (gdk_clipboard_write_finish (clipboard, result, &error))
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{
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gsize size;
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gpointer bytes;
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g_output_stream_close (G_OUTPUT_STREAM (wr->stream), NULL, NULL);
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size = g_memory_output_stream_get_data_size (wr->stream);
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bytes = g_memory_output_stream_steal_data (wr->stream);
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data = [[NSData alloc] initWithBytesNoCopy:bytes
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length:size
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deallocator:^(void *alloc, NSUInteger length) { g_free (alloc); }];
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}
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else
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{
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g_warning ("Failed to serialize clipboard contents: %s",
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error->message);
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g_clear_error (&error);
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}
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[wr->item setData:data forType:wr->type];
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wr->done = TRUE;
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GDK_END_MACOS_ALLOC_POOL;
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}
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-(void)pasteboard:(NSPasteboard *)pasteboard item:(NSPasteboardItem *)item provideDataForType:(NSPasteboardType)type
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{
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const char *mime_type = _gdk_macos_pasteboard_from_ns_type (type);
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GMainContext *main_context = g_main_context_default ();
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WriteRequest *wr;
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if (self->clipboard == NULL || mime_type == NULL)
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{
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[item setData:[NSData data] forType:type];
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return;
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}
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wr = g_slice_new0 (WriteRequest);
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wr->item = [item retain];
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wr->stream = G_MEMORY_OUTPUT_STREAM (g_memory_output_stream_new_resizable ());
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wr->type = type;
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wr->main_context = g_main_context_ref (main_context);
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wr->done = FALSE;
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gdk_clipboard_write_async (self->clipboard,
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mime_type,
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G_OUTPUT_STREAM (wr->stream),
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G_PRIORITY_DEFAULT,
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self->cancellable,
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on_data_ready_cb,
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wr);
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/* We're forced to provide data synchronously via this API
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* so we must block on the main loop. Using another main loop
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* than the default tends to get us locked up here, so that is
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* what we'll do for now.
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*/
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while (!wr->done)
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g_main_context_iteration (wr->main_context, TRUE);
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write_request_free (wr);
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}
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@end
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@ -27,15 +27,28 @@
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G_BEGIN_DECLS
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@interface GdkMacosPasteboardDataProvider : NSObject <NSPasteboardItemDataProvider>
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@interface GdkMacosPasteboardItemDataProvider : NSObject <NSPasteboardItemDataProvider>
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{
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NSPasteboard *pasteboard;
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GCancellable *cancellable;
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char **mimeTypes;
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GdkContentProvider *_contentProvider;
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GdkClipboard *_clipboard;
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GdkDrag *_drag;
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}
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-(id)initPasteboard:(NSPasteboard *)pasteBoard mimetypes:(const char * const *)mime_types;
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-(NSArray<NSPasteboardType> *)types;
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-(id)initForClipboard:(GdkClipboard *)clipboard withContentProvider:(GdkContentProvider *)contentProvider;
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-(id)initForDrag:(GdkDrag *)drag withContentProvider:(GdkContentProvider *)contentProvider;
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@end
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@interface GdkMacosPasteboardItem : NSPasteboardItem
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{
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GdkContentProvider *_contentProvider;
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GdkClipboard *_clipboard;
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GdkDrag *_drag;
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NSRect _draggingFrame;
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}
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-(id)initForClipboard:(GdkClipboard *)clipboard withContentProvider:(GdkContentProvider *)contentProvider;
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-(id)initForDrag:(GdkDrag *)drag withContentProvider:(GdkContentProvider *)contentProvider;
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@end
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@ -55,9 +68,6 @@ GInputStream *_gdk_macos_pasteboard_read_finish (GObject
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GAsyncResult *result,
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const char **out_mime_type,
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GError **error);
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void _gdk_macos_pasteboard_send_content (NSPasteboard *pasteboard,
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GdkContentProvider *content,
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GdkMacosPasteboardDataProvider *dataProvider);
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G_END_DECLS
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@ -21,6 +21,7 @@
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#include <glib/gi18n.h>
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#include "gdkdragprivate.h"
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#include "gdkmacospasteboard-private.h"
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#include "gdkmacosutils-private.h"
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@ -165,87 +166,6 @@ _gdk_macos_pasteboard_load_formats (NSPasteboard *pasteboard)
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return load_offer_formats (pasteboard);
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}
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void
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_gdk_macos_pasteboard_send_content (NSPasteboard *pasteboard,
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GdkContentProvider *content,
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GdkMacosPasteboardDataProvider *dataProvider)
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{
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GDK_BEGIN_MACOS_ALLOC_POOL;
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NSPasteboardItem *item;
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g_return_if_fail (pasteboard != NULL);
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g_return_if_fail (GDK_IS_CONTENT_PROVIDER (content));
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item = [[NSPasteboardItem alloc] init];
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[item setDataProvider:dataProvider forTypes:[dataProvider types]];
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[pasteboard clearContents];
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if ([pasteboard writeObjects:[NSArray arrayWithObject:item]] == NO)
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g_warning ("Failed to write object to pasteboard");
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GDK_END_MACOS_ALLOC_POOL;
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}
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@implementation GdkMacosPasteboardDataProvider
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-(id)initPasteboard:(NSPasteboard *)pasteBoard mimetypes:(const char * const *)mime_types;
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{
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[super init];
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self->mimeTypes = g_strdupv ((char **)mime_types);
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self->pasteboard = [pasteBoard retain];
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return self;
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}
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-(void)dealloc
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{
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g_cancellable_cancel (self->cancellable);
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if (self->pasteboard)
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{
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[self->pasteboard release];
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self->pasteboard = nil;
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}
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g_clear_pointer (&self->mimeTypes, g_strfreev);
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g_clear_object (&self->cancellable);
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[super dealloc];
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}
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-(void)pasteboardFinishedWithDataProvider:(NSPasteboard *)pasteboard
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{
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}
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-(void)pasteboard:(NSPasteboard *)pasteboard item:(NSPasteboardItem *)item provideDataForType:(NSPasteboardType)type
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{
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}
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-(NSArray<NSPasteboardType> *)types
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{
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NSMutableArray *ret = [[NSMutableArray alloc] init];
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for (guint i = 0; self->mimeTypes[i]; i++)
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{
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const char *mime_type = self->mimeTypes[i];
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NSPasteboardType type;
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NSPasteboardType alternate = nil;
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if ((type = _gdk_macos_pasteboard_to_ns_type (mime_type, &alternate)))
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{
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[ret addObject:type];
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if (alternate)
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[ret addObject:alternate];
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}
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}
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return g_steal_pointer (&ret);
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}
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@end
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static GInputStream *
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create_stream_from_nsdata (NSData *data)
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{
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@ -414,3 +334,250 @@ _gdk_macos_pasteboard_register_drag_types (NSWindow *window)
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PTYPE(PNG),
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nil]];
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}
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@implementation GdkMacosPasteboardItemDataProvider
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-(id)initForClipboard:(GdkClipboard*)clipboard withContentProvider:(GdkContentProvider*)contentProvider
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{
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[super init];
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g_set_object (&self->_clipboard, clipboard);
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g_set_object (&self->_contentProvider, contentProvider);
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return self;
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}
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-(id)initForDrag:(GdkDrag*)drag withContentProvider:(GdkContentProvider*)contentProvider
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{
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[super init];
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g_set_object (&self->_drag, drag);
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g_set_object (&self->_contentProvider, contentProvider);
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return self;
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}
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-(void)dealloc
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{
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g_clear_object (&self->_contentProvider);
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g_clear_object (&self->_clipboard);
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g_clear_object (&self->_drag);
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[super dealloc];
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}
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-(NSArray<NSPasteboardType> *)types
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{
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NSMutableArray *ret = [[NSMutableArray alloc] init];
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GdkContentFormats *serializable;
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const char * const *mime_types;
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gsize n_mime_types;
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serializable = gdk_content_provider_ref_storable_formats (self->_contentProvider);
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serializable = gdk_content_formats_union_serialize_mime_types (serializable);
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mime_types = gdk_content_formats_get_mime_types (serializable, &n_mime_types);
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for (guint i = 0; mime_types[i]; i++)
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{
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const char *mime_type = mime_types[i];
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NSPasteboardType type;
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NSPasteboardType alternate = nil;
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if ((type = _gdk_macos_pasteboard_to_ns_type (mime_type, &alternate)))
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{
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[ret addObject:type];
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if (alternate)
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[ret addObject:alternate];
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}
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}
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return g_steal_pointer (&ret);
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}
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typedef struct
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{
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GMemoryOutputStream *stream;
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NSPasteboardItem *item;
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NSPasteboardType type;
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GMainContext *main_context;
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guint done : 1;
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} WriteRequest;
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static void
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write_request_free (WriteRequest *wr)
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{
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g_clear_pointer (&wr->main_context, g_main_context_unref);
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g_clear_object (&wr->stream);
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[wr->item release];
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g_slice_free (WriteRequest, wr);
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}
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static void
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on_data_ready_cb (GObject *object,
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GAsyncResult *result,
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gpointer user_data)
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{
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GDK_BEGIN_MACOS_ALLOC_POOL;
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WriteRequest *wr = user_data;
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GError *error = NULL;
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NSData *data = nil;
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gboolean ret;
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g_assert (G_IS_OBJECT (object));
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g_assert (GDK_IS_CLIPBOARD (object) || GDK_IS_DRAG (object));
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g_assert (G_IS_ASYNC_RESULT (result));
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g_assert (wr != NULL);
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g_assert (G_IS_MEMORY_OUTPUT_STREAM (wr->stream));
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g_assert ([wr->item isKindOfClass:[NSPasteboardItem class]]);
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if (GDK_IS_CLIPBOARD (object))
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ret = gdk_clipboard_write_finish (GDK_CLIPBOARD (object), result, &error);
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else if (GDK_IS_DRAG (object))
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ret = gdk_drag_write_finish (GDK_DRAG (object), result, &error);
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else
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g_return_if_reached ();
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if (ret)
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{
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gsize size;
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gpointer bytes;
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g_output_stream_close (G_OUTPUT_STREAM (wr->stream), NULL, NULL);
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size = g_memory_output_stream_get_data_size (wr->stream);
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bytes = g_memory_output_stream_steal_data (wr->stream);
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data = [[NSData alloc] initWithBytesNoCopy:bytes
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length:size
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deallocator:^(void *alloc, NSUInteger length) { g_free (alloc); }];
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}
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else
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{
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g_warning ("Failed to serialize pasteboard contents: %s",
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error->message);
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g_clear_error (&error);
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}
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[wr->item setData:data forType:wr->type];
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wr->done = TRUE;
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GDK_END_MACOS_ALLOC_POOL;
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}
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-(void)pasteboard:(NSPasteboard *)pasteboard item:(NSPasteboardItem *)item provideDataForType:(NSPasteboardType)type
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{
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const char *mime_type = _gdk_macos_pasteboard_from_ns_type (type);
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GMainContext *main_context = g_main_context_default ();
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WriteRequest *wr;
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if (self->_contentProvider == NULL || mime_type == NULL)
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{
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[item setData:[NSData data] forType:type];
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return;
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}
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wr = g_slice_new0 (WriteRequest);
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wr->item = [item retain];
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wr->stream = G_MEMORY_OUTPUT_STREAM (g_memory_output_stream_new_resizable ());
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wr->type = type;
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wr->main_context = g_main_context_ref (main_context);
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||||
wr->done = FALSE;
|
||||
|
||||
if (GDK_IS_CLIPBOARD (self->_clipboard))
|
||||
gdk_clipboard_write_async (self->_clipboard,
|
||||
mime_type,
|
||||
G_OUTPUT_STREAM (wr->stream),
|
||||
G_PRIORITY_DEFAULT,
|
||||
NULL,
|
||||
on_data_ready_cb,
|
||||
wr);
|
||||
else if (GDK_IS_DRAG (self->_drag))
|
||||
gdk_drag_write_async (self->_drag,
|
||||
mime_type,
|
||||
G_OUTPUT_STREAM (wr->stream),
|
||||
G_PRIORITY_DEFAULT,
|
||||
NULL,
|
||||
on_data_ready_cb,
|
||||
wr);
|
||||
else
|
||||
g_return_if_reached ();
|
||||
|
||||
/* We're forced to provide data synchronously via this API
|
||||
* so we must block on the main loop. Using another main loop
|
||||
* than the default tends to get us locked up here, so that is
|
||||
* what we'll do for now.
|
||||
*/
|
||||
while (!wr->done)
|
||||
g_main_context_iteration (wr->main_context, TRUE);
|
||||
|
||||
write_request_free (wr);
|
||||
}
|
||||
|
||||
-(void)pasteboardFinishedWithDataProvider:(NSPasteboard *)pasteboard
|
||||
{
|
||||
g_clear_object (&self->_clipboard);
|
||||
g_clear_object (&self->_drag);
|
||||
g_clear_object (&self->_contentProvider);
|
||||
}
|
||||
|
||||
@end
|
||||
|
||||
@implementation GdkMacosPasteboardItem
|
||||
|
||||
-(id)initForClipboard:(GdkClipboard*)clipboard withContentProvider:(GdkContentProvider*)contentProvider
|
||||
{
|
||||
GdkMacosPasteboardItemDataProvider *dataProvider;
|
||||
|
||||
dataProvider = [[GdkMacosPasteboardItemDataProvider alloc] initForClipboard:clipboard withContentProvider:contentProvider];
|
||||
|
||||
[super init];
|
||||
g_set_object (&self->_clipboard, clipboard);
|
||||
g_set_object (&self->_contentProvider, contentProvider);
|
||||
[self setDataProvider:dataProvider forTypes:[dataProvider types]];
|
||||
|
||||
[dataProvider release];
|
||||
|
||||
return self;
|
||||
}
|
||||
|
||||
-(id)initForDrag:(GdkDrag*)drag withContentProvider:(GdkContentProvider*)contentProvider
|
||||
{
|
||||
GdkMacosPasteboardItemDataProvider *dataProvider;
|
||||
|
||||
dataProvider = [[GdkMacosPasteboardItemDataProvider alloc] initForDrag:drag withContentProvider:contentProvider];
|
||||
|
||||
[super init];
|
||||
g_set_object (&self->_drag, drag);
|
||||
g_set_object (&self->_contentProvider, contentProvider);
|
||||
[self setDataProvider:dataProvider forTypes:[dataProvider types]];
|
||||
|
||||
[dataProvider release];
|
||||
|
||||
return self;
|
||||
}
|
||||
|
||||
-(void)dealloc
|
||||
{
|
||||
g_clear_object (&self->_contentProvider);
|
||||
g_clear_object (&self->_clipboard);
|
||||
g_clear_object (&self->_drag);
|
||||
[super dealloc];
|
||||
}
|
||||
|
||||
-(NSRect)draggingFrame
|
||||
{
|
||||
return self->_draggingFrame;
|
||||
}
|
||||
|
||||
-(void)setDraggingFrame:(NSRect)draggingFrame;
|
||||
{
|
||||
self->_draggingFrame = draggingFrame;
|
||||
}
|
||||
|
||||
-(id)item
|
||||
{
|
||||
return self;
|
||||
}
|
||||
|
||||
-(NSArray* (^) (void))imageComponentsProvider
|
||||
{
|
||||
return nil;
|
||||
}
|
||||
|
||||
@end
|
||||
|
||||
Loading…
Reference in New Issue
Block a user