Learning_GTK4_tree/gdk/gdkcontentprovider.h

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2023-12-12 11:36:42 +01:00
/* GDK - The GIMP Drawing Kit
*
* Copyright (C) 2017 Benjamin Otte <otte@gnome.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#if !defined (__GDK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gdk/gdk.h> can be included directly."
#endif
#include <gdk/gdktypes.h>
G_BEGIN_DECLS
#define GDK_TYPE_CONTENT_PROVIDER (gdk_content_provider_get_type ())
#define GDK_CONTENT_PROVIDER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_CONTENT_PROVIDER, GdkContentProvider))
#define GDK_IS_CONTENT_PROVIDER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_CONTENT_PROVIDER))
#define GDK_CONTENT_PROVIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_CONTENT_PROVIDER, GdkContentProviderClass))
#define GDK_IS_CONTENT_PROVIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_CONTENT_PROVIDER))
#define GDK_CONTENT_PROVIDER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_CONTENT_PROVIDER, GdkContentProviderClass))
typedef struct _GdkContentProviderClass GdkContentProviderClass;
struct _GdkContentProvider
{
GObject parent;
};
/**
* GdkContentProviderClass:
* @content_changed: Signal class closure for `GdkContentProvider::content-changed`
*
* Class structure for `GdkContentProvider`.
*/
struct _GdkContentProviderClass
{
GObjectClass parent_class;
/* signals */
void (* content_changed) (GdkContentProvider *provider);
/*< private >*/
/* vfuncs */
void (* attach_clipboard) (GdkContentProvider *provider,
GdkClipboard *clipboard);
void (* detach_clipboard) (GdkContentProvider *provider,
GdkClipboard *clipboard);
GdkContentFormats * (* ref_formats) (GdkContentProvider *provider);
GdkContentFormats * (* ref_storable_formats) (GdkContentProvider *provider);
void (* write_mime_type_async) (GdkContentProvider *provider,
const char *mime_type,
GOutputStream *stream,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gboolean (* write_mime_type_finish) (GdkContentProvider *provider,
GAsyncResult *result,
GError **error);
gboolean (* get_value) (GdkContentProvider *provider,
GValue *value,
GError **error);
/*< private >*/
gpointer padding[8];
};
GDK_AVAILABLE_IN_ALL
GType gdk_content_provider_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GdkContentFormats * gdk_content_provider_ref_formats (GdkContentProvider *provider);
GDK_AVAILABLE_IN_ALL
GdkContentFormats * gdk_content_provider_ref_storable_formats (GdkContentProvider *provider);
GDK_AVAILABLE_IN_ALL
void gdk_content_provider_content_changed (GdkContentProvider *provider);
GDK_AVAILABLE_IN_ALL
void gdk_content_provider_write_mime_type_async (GdkContentProvider *provider,
const char *mime_type,
GOutputStream *stream,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GDK_AVAILABLE_IN_ALL
gboolean gdk_content_provider_write_mime_type_finish (GdkContentProvider *provider,
GAsyncResult *result,
GError **error);
GDK_AVAILABLE_IN_ALL
gboolean gdk_content_provider_get_value (GdkContentProvider *provider,
GValue *value,
GError **error);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GdkContentProvider, g_object_unref)
G_END_DECLS