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gtkclipboard.h
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gtkclipboard.h
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/* GTK - The GIMP Toolkit
* Copyright (C) 2000 Red Hat, Inc.
*
* 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Global clipboard abstraction.
*/
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#ifndef __GTK_CLIPBOARD_H__
#define __GTK_CLIPBOARD_H__
#include <gtk/gtkselection.h>
G_BEGIN_DECLS
#define GTK_TYPE_CLIPBOARD (gtk_clipboard_get_type ())
#define GTK_CLIPBOARD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_CLIPBOARD, GtkClipboard))
#define GTK_IS_CLIPBOARD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_CLIPBOARD))
/**
* GtkClipboardReceivedFunc:
* @clipboard: the #GtkClipboard
* @selection_data: a #GtkSelectionData containing the data was received.
* If retrieving the data failed, then then length field
* of @selection_data will be negative.
* @data: the @user_data supplied to gtk_clipboard_request_contents().
*
* A function to be called when the results of gtk_clipboard_request_contents()
* are received, or when the request fails.
*/
typedef void (* GtkClipboardReceivedFunc) (GtkClipboard *clipboard,
GtkSelectionData *selection_data,
gpointer data);
/**
* GtkClipboardTextReceivedFunc:
* @clipboard: the #GtkClipboard
* @text: the text received, as a UTF-8 encoded string, or %NULL
* if retrieving the data failed.
* @data: the @user_data supplied to gtk_clipboard_request_text().
*
* A function to be called when the results of gtk_clipboard_request_text()
* are received, or when the request fails.
*/
typedef void (* GtkClipboardTextReceivedFunc) (GtkClipboard *clipboard,
const gchar *text,
gpointer data);
typedef void (* GtkClipboardRichTextReceivedFunc) (GtkClipboard *clipboard,
GdkAtom format,
const guint8 *text,
gsize length,
gpointer data);
/**
* GtkClipboardImageReceivedFunc:
* @clipboard: the #GtkClipboard
* @pixbuf: the received image
* @data: the @user_data supplied to gtk_clipboard_request_image().
*
* A function to be called when the results of gtk_clipboard_request_image()
* are received, or when the request fails.
*
* Since: 2.6
*/
typedef void (* GtkClipboardImageReceivedFunc) (GtkClipboard *clipboard,
GdkPixbuf *pixbuf,
gpointer data);
typedef void (* GtkClipboardURIReceivedFunc) (GtkClipboard *clipboard,
gchar **uris,
gpointer data);
/**
* GtkClipboardTargetsReceivedFunc:
* @clipboard: the #GtkClipboard
* @atoms: the supported targets, as array of #GdkAtom, or %NULL
* if retrieving the data failed.
* @n_atoms: the length of the @atoms array.
* @data: the @user_data supplied to gtk_clipboard_request_targets().
*
* A function to be called when the results of gtk_clipboard_request_targets()
* are received, or when the request fails.
*
* Since: 2.4
*/
typedef void (* GtkClipboardTargetsReceivedFunc) (GtkClipboard *clipboard,
GdkAtom *atoms,
gint n_atoms,
gpointer data);
/* Should these functions have GtkClipboard *clipboard as the first argument?
* right now for ClearFunc, you may have trouble determining _which_ clipboard
* was cleared, if you reuse your ClearFunc for multiple clipboards.
*/
/**
* GtkClipboardGetFunc:
* @clipboard: the #GtkClipboard
* @selection_data: a #GtkSelectionData argument in which the requested
* data should be stored.
* @info: the info field corresponding to the requested target from the
* #GtkTargetEntry array passed to gtk_clipboard_set_with_data() or
* gtk_clipboard_set_with_owner().
* @user_data_or_owner: the @user_data argument passed to
* gtk_clipboard_set_with_data(), or the @owner argument passed to
* gtk_clipboard_set_with_owner()
*
* A function that will be called to provide the contents of the selection.
* If multiple types of data were advertised, the requested type can
* be determined from the @info parameter or by checking the target field
* of @selection_data. If the data could successfully be converted into
* then it should be stored into the @selection_data object by
* calling gtk_selection_data_set() (or related functions such
* as gtk_selection_data_set_text()). If no data is set, the requestor
* will be informed that the attempt to get the data failed.
*/
typedef void (* GtkClipboardGetFunc) (GtkClipboard *clipboard,
GtkSelectionData *selection_data,
guint info,
gpointer user_data_or_owner);
/**
* GtkClipboardClearFunc:
* @clipboard: the #GtkClipboard
* @user_data_or_owner: the @user_data argument passed to gtk_clipboard_set_with_data(),
* or the @owner argument passed to gtk_clipboard_set_with_owner()
*
* A function that will be called when the contents of the clipboard are changed
* or cleared. Once this has called, the @user_data_or_owner argument
* will not be used again.
*/
typedef void (* GtkClipboardClearFunc) (GtkClipboard *clipboard,
gpointer user_data_or_owner);
GType gtk_clipboard_get_type (void) G_GNUC_CONST;
GtkClipboard *gtk_clipboard_get_for_display (GdkDisplay *display,
GdkAtom selection);
#ifndef GDK_MULTIHEAD_SAFE
GtkClipboard *gtk_clipboard_get (GdkAtom selection);
#endif
GdkDisplay *gtk_clipboard_get_display (GtkClipboard *clipboard);
gboolean gtk_clipboard_set_with_data (GtkClipboard *clipboard,
const GtkTargetEntry *targets,
guint n_targets,
GtkClipboardGetFunc get_func,
GtkClipboardClearFunc clear_func,
gpointer user_data);
gboolean gtk_clipboard_set_with_owner (GtkClipboard *clipboard,
const GtkTargetEntry *targets,
guint n_targets,
GtkClipboardGetFunc get_func,
GtkClipboardClearFunc clear_func,
GObject *owner);
GObject *gtk_clipboard_get_owner (GtkClipboard *clipboard);
void gtk_clipboard_clear (GtkClipboard *clipboard);
void gtk_clipboard_set_text (GtkClipboard *clipboard,
const gchar *text,
gint len);
void gtk_clipboard_set_image (GtkClipboard *clipboard,
GdkPixbuf *pixbuf);
void gtk_clipboard_request_contents (GtkClipboard *clipboard,
GdkAtom target,
GtkClipboardReceivedFunc callback,
gpointer user_data);
void gtk_clipboard_request_text (GtkClipboard *clipboard,
GtkClipboardTextReceivedFunc callback,
gpointer user_data);
void gtk_clipboard_request_rich_text (GtkClipboard *clipboard,
GtkTextBuffer *buffer,
GtkClipboardRichTextReceivedFunc callback,
gpointer user_data);
void gtk_clipboard_request_image (GtkClipboard *clipboard,
GtkClipboardImageReceivedFunc callback,
gpointer user_data);
void gtk_clipboard_request_uris (GtkClipboard *clipboard,
GtkClipboardURIReceivedFunc callback,
gpointer user_data);
void gtk_clipboard_request_targets (GtkClipboard *clipboard,
GtkClipboardTargetsReceivedFunc callback,
gpointer user_data);
GtkSelectionData *gtk_clipboard_wait_for_contents (GtkClipboard *clipboard,
GdkAtom target);
gchar * gtk_clipboard_wait_for_text (GtkClipboard *clipboard);
guint8 * gtk_clipboard_wait_for_rich_text (GtkClipboard *clipboard,
GtkTextBuffer *buffer,
GdkAtom *format,
gsize *length);
GdkPixbuf * gtk_clipboard_wait_for_image (GtkClipboard *clipboard);
gchar ** gtk_clipboard_wait_for_uris (GtkClipboard *clipboard);
gboolean gtk_clipboard_wait_for_targets (GtkClipboard *clipboard,
GdkAtom **targets,
gint *n_targets);
gboolean gtk_clipboard_wait_is_text_available (GtkClipboard *clipboard);
gboolean gtk_clipboard_wait_is_rich_text_available (GtkClipboard *clipboard,
GtkTextBuffer *buffer);
gboolean gtk_clipboard_wait_is_image_available (GtkClipboard *clipboard);
gboolean gtk_clipboard_wait_is_uris_available (GtkClipboard *clipboard);
gboolean gtk_clipboard_wait_is_target_available (GtkClipboard *clipboard,
GdkAtom target);
void gtk_clipboard_set_can_store (GtkClipboard *clipboard,
const GtkTargetEntry *targets,
gint n_targets);
void gtk_clipboard_store (GtkClipboard *clipboard);
/* private */
void _gtk_clipboard_handle_event (GdkEventOwnerChange *event);
void _gtk_clipboard_store_all (void);
G_END_DECLS
#endif /* __GTK_CLIPBOARD_H__ */