1115 lines
28 KiB
C
1115 lines
28 KiB
C
/* GTK - The GIMP Toolkit
|
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* Copyright (C) 2000 Red Hat, Inc.
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* Copyright (C) 2004 Nokia Corporation
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* Copyright (C) 2006-2008 Imendio AB
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include <string.h>
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#import <Cocoa/Cocoa.h>
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#include "gtkclipboard.h"
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#include "gtkinvisible.h"
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#include "gtkmain.h"
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#include "gtkmarshalers.h"
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#include "gtkintl.h"
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#include "gtktextbuffer.h"
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#include "gtkselectionprivate.h"
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#include "gtkquartz.h"
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#include "../gdk/quartz/gdkquartz.h"
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enum {
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OWNER_CHANGE,
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LAST_SIGNAL
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};
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@interface GtkClipboardOwner : NSObject {
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GtkClipboard *clipboard;
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@public
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gboolean setting_same_owner;
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}
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@end
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typedef struct _GtkClipboardClass GtkClipboardClass;
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struct _GtkClipboard
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{
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GObject parent_instance;
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NSPasteboard *pasteboard;
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GtkClipboardOwner *owner;
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NSInteger change_count;
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GdkAtom selection;
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GtkClipboardGetFunc get_func;
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GtkClipboardClearFunc clear_func;
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gpointer user_data;
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gboolean have_owner;
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GtkTargetList *target_list;
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gboolean have_selection;
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GdkDisplay *display;
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GdkAtom *cached_targets;
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gint n_cached_targets;
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guint notify_signal_id;
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gboolean storing_selection;
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GMainLoop *store_loop;
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guint store_timeout;
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gint n_storable_targets;
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GdkAtom *storable_targets;
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};
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struct _GtkClipboardClass
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{
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GObjectClass parent_class;
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void (*owner_change) (GtkClipboard *clipboard,
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GdkEventOwnerChange *event);
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};
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static void gtk_clipboard_class_init (GtkClipboardClass *class);
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static void gtk_clipboard_finalize (GObject *object);
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static void gtk_clipboard_owner_change (GtkClipboard *clipboard,
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GdkEventOwnerChange *event);
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static void clipboard_unset (GtkClipboard *clipboard);
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static GtkClipboard *clipboard_peek (GdkDisplay *display,
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GdkAtom selection,
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gboolean only_if_exists);
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@implementation GtkClipboardOwner
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-(void)pasteboard:(NSPasteboard *)sender provideDataForType:(NSString *)type
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{
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GtkSelectionData selection_data;
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guint info;
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if (!clipboard->target_list)
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return;
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memset (&selection_data, 0, sizeof (GtkSelectionData));
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selection_data.selection = clipboard->selection;
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selection_data.target = gdk_quartz_pasteboard_type_to_atom_libgtk_only (type);
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selection_data.display = gdk_display_get_default ();
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selection_data.length = -1;
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if (gtk_target_list_find (clipboard->target_list, selection_data.target, &info))
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{
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clipboard->get_func (clipboard, &selection_data,
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info,
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clipboard->user_data);
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if (selection_data.length >= 0)
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_gtk_quartz_set_selection_data_for_pasteboard (clipboard->pasteboard,
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&selection_data);
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g_free (selection_data.data);
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}
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}
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/* pasteboardChangedOwner is not called immediately, and it's not called
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* reliably. It is somehow documented in the apple api docs, but the docs
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* suck and don’t really give clear instructions. Therefore we track
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* changeCount in several places below and clear the clipboard if it
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* changed.
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*/
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- (void)pasteboardChangedOwner:(NSPasteboard *)sender
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{
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if (! setting_same_owner)
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clipboard_unset (clipboard);
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}
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- (id)initWithClipboard:(GtkClipboard *)aClipboard
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{
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self = [super init];
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if (self)
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{
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clipboard = aClipboard;
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setting_same_owner = FALSE;
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}
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return self;
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}
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@end
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static const gchar clipboards_owned_key[] = "gtk-clipboards-owned";
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static GQuark clipboards_owned_key_id = 0;
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static GObjectClass *parent_class;
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static guint clipboard_signals[LAST_SIGNAL] = { 0 };
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GType
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gtk_clipboard_get_type (void)
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{
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static GType clipboard_type = 0;
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if (!clipboard_type)
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{
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const GTypeInfo clipboard_info =
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{
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sizeof (GtkClipboardClass),
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NULL, /* base_init */
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NULL, /* base_finalize */
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(GClassInitFunc) gtk_clipboard_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GtkClipboard),
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0, /* n_preallocs */
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(GInstanceInitFunc) NULL,
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};
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clipboard_type = g_type_register_static (G_TYPE_OBJECT, I_("GtkClipboard"),
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&clipboard_info, 0);
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}
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return clipboard_type;
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}
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static void
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gtk_clipboard_class_init (GtkClipboardClass *class)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (class);
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parent_class = g_type_class_peek_parent (class);
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gobject_class->finalize = gtk_clipboard_finalize;
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class->owner_change = gtk_clipboard_owner_change;
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clipboard_signals[OWNER_CHANGE] =
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g_signal_new (I_("owner-change"),
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G_TYPE_FROM_CLASS (gobject_class),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GtkClipboardClass, owner_change),
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NULL, NULL,
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_gtk_marshal_VOID__BOXED,
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G_TYPE_NONE, 1,
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GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
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}
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static void
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gtk_clipboard_finalize (GObject *object)
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{
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GtkClipboard *clipboard;
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GSList *clipboards;
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clipboard = GTK_CLIPBOARD (object);
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clipboards = g_object_get_data (G_OBJECT (clipboard->display), "gtk-clipboard-list");
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if (g_slist_index (clipboards, clipboard) >= 0)
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g_warning ("GtkClipboard prematurely finalized");
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clipboard_unset (clipboard);
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clipboards = g_object_get_data (G_OBJECT (clipboard->display), "gtk-clipboard-list");
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clipboards = g_slist_remove (clipboards, clipboard);
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g_object_set_data (G_OBJECT (clipboard->display), I_("gtk-clipboard-list"), clipboards);
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if (clipboard->store_loop && g_main_loop_is_running (clipboard->store_loop))
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g_main_loop_quit (clipboard->store_loop);
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if (clipboard->store_timeout != 0)
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g_source_remove (clipboard->store_timeout);
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g_free (clipboard->storable_targets);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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clipboard_display_closed (GdkDisplay *display,
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gboolean is_error,
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GtkClipboard *clipboard)
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{
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GSList *clipboards;
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clipboards = g_object_get_data (G_OBJECT (display), "gtk-clipboard-list");
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g_object_run_dispose (G_OBJECT (clipboard));
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clipboards = g_slist_remove (clipboards, clipboard);
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g_object_set_data (G_OBJECT (display), I_("gtk-clipboard-list"), clipboards);
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g_object_unref (clipboard);
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}
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GtkClipboard *
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gtk_clipboard_get_for_display (GdkDisplay *display,
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GdkAtom selection)
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{
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g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
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g_return_val_if_fail (!gdk_display_is_closed (display), NULL);
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return clipboard_peek (display, selection, FALSE);
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}
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GtkClipboard *
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gtk_clipboard_get (GdkAtom selection)
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{
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return gtk_clipboard_get_for_display (gdk_display_get_default (), selection);
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}
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static void
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clipboard_owner_destroyed (gpointer data)
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{
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GSList *clipboards = data;
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GSList *tmp_list;
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tmp_list = clipboards;
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while (tmp_list)
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{
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GtkClipboard *clipboard = tmp_list->data;
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clipboard->get_func = NULL;
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clipboard->clear_func = NULL;
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clipboard->user_data = NULL;
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clipboard->have_owner = FALSE;
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if (clipboard->target_list)
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{
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gtk_target_list_unref (clipboard->target_list);
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clipboard->target_list = NULL;
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}
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gtk_clipboard_clear (clipboard);
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tmp_list = tmp_list->next;
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}
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g_slist_free (clipboards);
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}
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static void
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clipboard_add_owner_notify (GtkClipboard *clipboard)
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{
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if (!clipboards_owned_key_id)
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clipboards_owned_key_id = g_quark_from_static_string (clipboards_owned_key);
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if (clipboard->have_owner)
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g_object_set_qdata_full (clipboard->user_data, clipboards_owned_key_id,
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g_slist_prepend (g_object_steal_qdata (clipboard->user_data,
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clipboards_owned_key_id),
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clipboard),
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clipboard_owner_destroyed);
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}
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static void
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clipboard_remove_owner_notify (GtkClipboard *clipboard)
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{
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if (clipboard->have_owner)
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g_object_set_qdata_full (clipboard->user_data, clipboards_owned_key_id,
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g_slist_remove (g_object_steal_qdata (clipboard->user_data,
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clipboards_owned_key_id),
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clipboard),
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clipboard_owner_destroyed);
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}
|
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static gboolean
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gtk_clipboard_set_contents (GtkClipboard *clipboard,
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const GtkTargetEntry *targets,
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guint n_targets,
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GtkClipboardGetFunc get_func,
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GtkClipboardClearFunc clear_func,
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gpointer user_data,
|
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gboolean have_owner)
|
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{
|
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GtkClipboardOwner *owner;
|
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NSSet *types;
|
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NSAutoreleasePool *pool;
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if (!(clipboard->have_owner && have_owner) ||
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clipboard->user_data != user_data)
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{
|
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clipboard_unset (clipboard);
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if (clipboard->get_func)
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{
|
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/* Calling unset() caused the clipboard contents to be reset!
|
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* Avoid leaking and return
|
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*/
|
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if (!(clipboard->have_owner && have_owner) ||
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clipboard->user_data != user_data)
|
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{
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(*clear_func) (clipboard, user_data);
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return FALSE;
|
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}
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else
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{
|
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return TRUE;
|
||
}
|
||
}
|
||
}
|
||
|
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pool = [[NSAutoreleasePool alloc] init];
|
||
|
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types = _gtk_quartz_target_entries_to_pasteboard_types (targets, n_targets);
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||
|
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/* call declareTypes before setting the clipboard members because
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* declareTypes might clear the clipboard
|
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*/
|
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if (user_data && user_data == clipboard->user_data)
|
||
{
|
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owner = [clipboard->owner retain];
|
||
|
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owner->setting_same_owner = TRUE;
|
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clipboard->change_count = [clipboard->pasteboard declareTypes: [types allObjects]
|
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owner: owner];
|
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owner->setting_same_owner = FALSE;
|
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}
|
||
else
|
||
{
|
||
owner = [[GtkClipboardOwner alloc] initWithClipboard:clipboard];
|
||
|
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clipboard->change_count = [clipboard->pasteboard declareTypes: [types allObjects]
|
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owner: owner];
|
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}
|
||
|
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[owner release];
|
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[types release];
|
||
[pool release];
|
||
|
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clipboard->owner = owner;
|
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clipboard->user_data = user_data;
|
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clipboard->have_owner = have_owner;
|
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if (have_owner)
|
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clipboard_add_owner_notify (clipboard);
|
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clipboard->get_func = get_func;
|
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clipboard->clear_func = clear_func;
|
||
|
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if (clipboard->target_list)
|
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gtk_target_list_unref (clipboard->target_list);
|
||
clipboard->target_list = gtk_target_list_new (targets, n_targets);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
gboolean
|
||
gtk_clipboard_set_with_data (GtkClipboard *clipboard,
|
||
const GtkTargetEntry *targets,
|
||
guint n_targets,
|
||
GtkClipboardGetFunc get_func,
|
||
GtkClipboardClearFunc clear_func,
|
||
gpointer user_data)
|
||
{
|
||
g_return_val_if_fail (clipboard != NULL, FALSE);
|
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g_return_val_if_fail (targets != NULL, FALSE);
|
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g_return_val_if_fail (get_func != NULL, FALSE);
|
||
|
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return gtk_clipboard_set_contents (clipboard, targets, n_targets,
|
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get_func, clear_func, user_data,
|
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FALSE);
|
||
}
|
||
|
||
gboolean
|
||
gtk_clipboard_set_with_owner (GtkClipboard *clipboard,
|
||
const GtkTargetEntry *targets,
|
||
guint n_targets,
|
||
GtkClipboardGetFunc get_func,
|
||
GtkClipboardClearFunc clear_func,
|
||
GObject *owner)
|
||
{
|
||
g_return_val_if_fail (clipboard != NULL, FALSE);
|
||
g_return_val_if_fail (targets != NULL, FALSE);
|
||
g_return_val_if_fail (get_func != NULL, FALSE);
|
||
g_return_val_if_fail (G_IS_OBJECT (owner), FALSE);
|
||
|
||
return gtk_clipboard_set_contents (clipboard, targets, n_targets,
|
||
get_func, clear_func, owner,
|
||
TRUE);
|
||
}
|
||
|
||
GObject *
|
||
gtk_clipboard_get_owner (GtkClipboard *clipboard)
|
||
{
|
||
g_return_val_if_fail (clipboard != NULL, NULL);
|
||
|
||
if (clipboard->change_count < [clipboard->pasteboard changeCount])
|
||
{
|
||
clipboard_unset (clipboard);
|
||
clipboard->change_count = [clipboard->pasteboard changeCount];
|
||
}
|
||
|
||
if (clipboard->have_owner)
|
||
return clipboard->user_data;
|
||
else
|
||
return NULL;
|
||
}
|
||
|
||
static void
|
||
clipboard_unset (GtkClipboard *clipboard)
|
||
{
|
||
GtkClipboardClearFunc old_clear_func;
|
||
gpointer old_data;
|
||
gboolean old_have_owner;
|
||
gint old_n_storable_targets;
|
||
|
||
old_clear_func = clipboard->clear_func;
|
||
old_data = clipboard->user_data;
|
||
old_have_owner = clipboard->have_owner;
|
||
old_n_storable_targets = clipboard->n_storable_targets;
|
||
|
||
if (old_have_owner)
|
||
{
|
||
clipboard_remove_owner_notify (clipboard);
|
||
clipboard->have_owner = FALSE;
|
||
}
|
||
|
||
clipboard->n_storable_targets = -1;
|
||
g_free (clipboard->storable_targets);
|
||
clipboard->storable_targets = NULL;
|
||
|
||
clipboard->owner = NULL;
|
||
clipboard->get_func = NULL;
|
||
clipboard->clear_func = NULL;
|
||
clipboard->user_data = NULL;
|
||
|
||
if (old_clear_func)
|
||
old_clear_func (clipboard, old_data);
|
||
|
||
if (clipboard->target_list)
|
||
{
|
||
gtk_target_list_unref (clipboard->target_list);
|
||
clipboard->target_list = NULL;
|
||
}
|
||
|
||
/* If we've transferred the clipboard data to the manager,
|
||
* unref the owner
|
||
*/
|
||
if (old_have_owner &&
|
||
old_n_storable_targets != -1)
|
||
g_object_unref (old_data);
|
||
}
|
||
|
||
void
|
||
gtk_clipboard_clear (GtkClipboard *clipboard)
|
||
{
|
||
clipboard_unset (clipboard);
|
||
|
||
[clipboard->pasteboard declareTypes:nil owner:nil];
|
||
}
|
||
|
||
static void
|
||
text_get_func (GtkClipboard *clipboard,
|
||
GtkSelectionData *selection_data,
|
||
guint info,
|
||
gpointer data)
|
||
{
|
||
gtk_selection_data_set_text (selection_data, data, -1);
|
||
}
|
||
|
||
static void
|
||
text_clear_func (GtkClipboard *clipboard,
|
||
gpointer data)
|
||
{
|
||
g_free (data);
|
||
}
|
||
|
||
void
|
||
gtk_clipboard_set_text (GtkClipboard *clipboard,
|
||
const gchar *text,
|
||
gint len)
|
||
{
|
||
GtkTargetEntry target = { "UTF8_STRING", 0, 0 };
|
||
|
||
g_return_if_fail (clipboard != NULL);
|
||
g_return_if_fail (text != NULL);
|
||
|
||
if (len < 0)
|
||
len = strlen (text);
|
||
|
||
gtk_clipboard_set_with_data (clipboard,
|
||
&target, 1,
|
||
text_get_func, text_clear_func,
|
||
g_strndup (text, len));
|
||
gtk_clipboard_set_can_store (clipboard, NULL, 0);
|
||
}
|
||
|
||
|
||
static void
|
||
pixbuf_get_func (GtkClipboard *clipboard,
|
||
GtkSelectionData *selection_data,
|
||
guint info,
|
||
gpointer data)
|
||
{
|
||
gtk_selection_data_set_pixbuf (selection_data, data);
|
||
}
|
||
|
||
static void
|
||
pixbuf_clear_func (GtkClipboard *clipboard,
|
||
gpointer data)
|
||
{
|
||
g_object_unref (data);
|
||
}
|
||
|
||
void
|
||
gtk_clipboard_set_image (GtkClipboard *clipboard,
|
||
GdkPixbuf *pixbuf)
|
||
{
|
||
GtkTargetList *list;
|
||
GList *l;
|
||
GtkTargetEntry *targets;
|
||
gint n_targets, i;
|
||
|
||
g_return_if_fail (clipboard != NULL);
|
||
g_return_if_fail (GDK_IS_PIXBUF (pixbuf));
|
||
|
||
list = gtk_target_list_new (NULL, 0);
|
||
gtk_target_list_add_image_targets (list, 0, TRUE);
|
||
|
||
n_targets = g_list_length (list->list);
|
||
targets = g_new0 (GtkTargetEntry, n_targets);
|
||
for (l = list->list, i = 0; l; l = l->next, i++)
|
||
{
|
||
GtkTargetPair *pair = (GtkTargetPair *)l->data;
|
||
targets[i].target = gdk_atom_name (pair->target);
|
||
}
|
||
|
||
gtk_clipboard_set_with_data (clipboard,
|
||
targets, n_targets,
|
||
pixbuf_get_func, pixbuf_clear_func,
|
||
g_object_ref (pixbuf));
|
||
gtk_clipboard_set_can_store (clipboard, NULL, 0);
|
||
|
||
for (i = 0; i < n_targets; i++)
|
||
g_free (targets[i].target);
|
||
g_free (targets);
|
||
gtk_target_list_unref (list);
|
||
}
|
||
|
||
void
|
||
gtk_clipboard_request_contents (GtkClipboard *clipboard,
|
||
GdkAtom target,
|
||
GtkClipboardReceivedFunc callback,
|
||
gpointer user_data)
|
||
{
|
||
GtkSelectionData *data;
|
||
|
||
data = gtk_clipboard_wait_for_contents (clipboard, target);
|
||
|
||
callback (clipboard, data, user_data);
|
||
|
||
gtk_selection_data_free (data);
|
||
}
|
||
|
||
void
|
||
gtk_clipboard_request_text (GtkClipboard *clipboard,
|
||
GtkClipboardTextReceivedFunc callback,
|
||
gpointer user_data)
|
||
{
|
||
gchar *data = gtk_clipboard_wait_for_text (clipboard);
|
||
|
||
callback (clipboard, data, user_data);
|
||
|
||
g_free (data);
|
||
}
|
||
|
||
void
|
||
gtk_clipboard_request_rich_text (GtkClipboard *clipboard,
|
||
GtkTextBuffer *buffer,
|
||
GtkClipboardRichTextReceivedFunc callback,
|
||
gpointer user_data)
|
||
{
|
||
/* FIXME: Implement */
|
||
}
|
||
|
||
|
||
guint8 *
|
||
gtk_clipboard_wait_for_rich_text (GtkClipboard *clipboard,
|
||
GtkTextBuffer *buffer,
|
||
GdkAtom *format,
|
||
gsize *length)
|
||
{
|
||
/* FIXME: Implement */
|
||
return NULL;
|
||
}
|
||
|
||
void
|
||
gtk_clipboard_request_image (GtkClipboard *clipboard,
|
||
GtkClipboardImageReceivedFunc callback,
|
||
gpointer user_data)
|
||
{
|
||
GdkPixbuf *pixbuf = gtk_clipboard_wait_for_image (clipboard);
|
||
|
||
callback (clipboard, pixbuf, user_data);
|
||
|
||
if (pixbuf)
|
||
g_object_unref (pixbuf);
|
||
}
|
||
|
||
void
|
||
gtk_clipboard_request_uris (GtkClipboard *clipboard,
|
||
GtkClipboardURIReceivedFunc callback,
|
||
gpointer user_data)
|
||
{
|
||
gchar **uris = gtk_clipboard_wait_for_uris (clipboard);
|
||
|
||
callback (clipboard, uris, user_data);
|
||
|
||
g_strfreev (uris);
|
||
}
|
||
|
||
void
|
||
gtk_clipboard_request_targets (GtkClipboard *clipboard,
|
||
GtkClipboardTargetsReceivedFunc callback,
|
||
gpointer user_data)
|
||
{
|
||
GdkAtom *targets;
|
||
gint n_targets;
|
||
|
||
gtk_clipboard_wait_for_targets (clipboard, &targets, &n_targets);
|
||
|
||
callback (clipboard, targets, n_targets, user_data);
|
||
}
|
||
|
||
GtkSelectionData *
|
||
gtk_clipboard_wait_for_contents (GtkClipboard *clipboard,
|
||
GdkAtom target)
|
||
{
|
||
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
|
||
GtkSelectionData *selection_data = NULL;
|
||
|
||
if (clipboard->change_count < [clipboard->pasteboard changeCount])
|
||
{
|
||
clipboard_unset (clipboard);
|
||
clipboard->change_count = [clipboard->pasteboard changeCount];
|
||
}
|
||
|
||
if (target == gdk_atom_intern_static_string ("TARGETS"))
|
||
{
|
||
NSArray *types = [clipboard->pasteboard types];
|
||
int i, length;
|
||
GList *atom_list, *l;
|
||
GdkAtom *atoms;
|
||
|
||
length = [types count] * sizeof (GdkAtom);
|
||
|
||
selection_data = g_slice_new0 (GtkSelectionData);
|
||
selection_data->selection = clipboard->selection;
|
||
selection_data->target = target;
|
||
if (!selection_data->display)
|
||
selection_data->display = gdk_display_get_default ();
|
||
|
||
atoms = g_malloc (length);
|
||
|
||
atom_list = _gtk_quartz_pasteboard_types_to_atom_list (types);
|
||
for (l = atom_list, i = 0; l ; l = l->next, i++)
|
||
atoms[i] = GDK_POINTER_TO_ATOM (l->data);
|
||
g_list_free (atom_list);
|
||
|
||
gtk_selection_data_set (selection_data,
|
||
GDK_SELECTION_TYPE_ATOM, 32,
|
||
(guchar *)atoms, length);
|
||
|
||
[pool release];
|
||
|
||
return selection_data;
|
||
}
|
||
|
||
selection_data = _gtk_quartz_get_selection_data_from_pasteboard (clipboard->pasteboard,
|
||
target,
|
||
clipboard->selection);
|
||
|
||
[pool release];
|
||
|
||
return selection_data;
|
||
}
|
||
|
||
gchar *
|
||
gtk_clipboard_wait_for_text (GtkClipboard *clipboard)
|
||
{
|
||
GtkSelectionData *data;
|
||
gchar *result;
|
||
|
||
data = gtk_clipboard_wait_for_contents (clipboard,
|
||
gdk_atom_intern_static_string ("UTF8_STRING"));
|
||
|
||
result = (gchar *)gtk_selection_data_get_text (data);
|
||
|
||
gtk_selection_data_free (data);
|
||
|
||
return result;
|
||
}
|
||
|
||
GdkPixbuf *
|
||
gtk_clipboard_wait_for_image (GtkClipboard *clipboard)
|
||
{
|
||
const gchar *priority[] = { "image/png", "image/tiff", "image/jpeg", "image/gif", "image/bmp" };
|
||
int i;
|
||
GtkSelectionData *data;
|
||
|
||
for (i = 0; i < G_N_ELEMENTS (priority); i++)
|
||
{
|
||
data = gtk_clipboard_wait_for_contents (clipboard, gdk_atom_intern_static_string (priority[i]));
|
||
|
||
if (data)
|
||
{
|
||
GdkPixbuf *pixbuf = gtk_selection_data_get_pixbuf (data);
|
||
|
||
gtk_selection_data_free (data);
|
||
|
||
return pixbuf;
|
||
}
|
||
}
|
||
|
||
return NULL;
|
||
}
|
||
|
||
gchar **
|
||
gtk_clipboard_wait_for_uris (GtkClipboard *clipboard)
|
||
{
|
||
GtkSelectionData *data;
|
||
|
||
data = gtk_clipboard_wait_for_contents (clipboard, gdk_atom_intern_static_string ("text/uri-list"));
|
||
if (data)
|
||
{
|
||
gchar **uris;
|
||
|
||
uris = gtk_selection_data_get_uris (data);
|
||
gtk_selection_data_free (data);
|
||
|
||
return uris;
|
||
}
|
||
|
||
return NULL;
|
||
}
|
||
|
||
GdkDisplay *
|
||
gtk_clipboard_get_display (GtkClipboard *clipboard)
|
||
{
|
||
g_return_val_if_fail (clipboard != NULL, NULL);
|
||
|
||
return clipboard->display;
|
||
}
|
||
|
||
gboolean
|
||
gtk_clipboard_wait_is_text_available (GtkClipboard *clipboard)
|
||
{
|
||
GtkSelectionData *data;
|
||
gboolean result = FALSE;
|
||
|
||
data = gtk_clipboard_wait_for_contents (clipboard, gdk_atom_intern_static_string ("TARGETS"));
|
||
if (data)
|
||
{
|
||
result = gtk_selection_data_targets_include_text (data);
|
||
gtk_selection_data_free (data);
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
gboolean
|
||
gtk_clipboard_wait_is_rich_text_available (GtkClipboard *clipboard,
|
||
GtkTextBuffer *buffer)
|
||
{
|
||
GtkSelectionData *data;
|
||
gboolean result = FALSE;
|
||
|
||
g_return_val_if_fail (GTK_IS_CLIPBOARD (clipboard), FALSE);
|
||
g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), FALSE);
|
||
|
||
data = gtk_clipboard_wait_for_contents (clipboard, gdk_atom_intern_static_string ("TARGETS"));
|
||
if (data)
|
||
{
|
||
result = gtk_selection_data_targets_include_rich_text (data, buffer);
|
||
gtk_selection_data_free (data);
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
gboolean
|
||
gtk_clipboard_wait_is_image_available (GtkClipboard *clipboard)
|
||
{
|
||
GtkSelectionData *data;
|
||
gboolean result = FALSE;
|
||
|
||
data = gtk_clipboard_wait_for_contents (clipboard,
|
||
gdk_atom_intern_static_string ("TARGETS"));
|
||
if (data)
|
||
{
|
||
result = gtk_selection_data_targets_include_image (data, FALSE);
|
||
gtk_selection_data_free (data);
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
gboolean
|
||
gtk_clipboard_wait_is_uris_available (GtkClipboard *clipboard)
|
||
{
|
||
GtkSelectionData *data;
|
||
gboolean result = FALSE;
|
||
|
||
data = gtk_clipboard_wait_for_contents (clipboard,
|
||
gdk_atom_intern_static_string ("TARGETS"));
|
||
if (data)
|
||
{
|
||
result = gtk_selection_data_targets_include_uri (data);
|
||
gtk_selection_data_free (data);
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
gboolean
|
||
gtk_clipboard_wait_for_targets (GtkClipboard *clipboard,
|
||
GdkAtom **targets,
|
||
gint *n_targets)
|
||
{
|
||
GtkSelectionData *data;
|
||
gboolean result = FALSE;
|
||
|
||
g_return_val_if_fail (clipboard != NULL, FALSE);
|
||
|
||
/* If the display supports change notification we cache targets */
|
||
if (gdk_display_supports_selection_notification (gtk_clipboard_get_display (clipboard)) &&
|
||
clipboard->n_cached_targets != -1)
|
||
{
|
||
if (n_targets)
|
||
*n_targets = clipboard->n_cached_targets;
|
||
|
||
if (targets)
|
||
*targets = g_memdup (clipboard->cached_targets,
|
||
clipboard->n_cached_targets * sizeof (GdkAtom));
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
if (n_targets)
|
||
*n_targets = 0;
|
||
|
||
if (targets)
|
||
*targets = NULL;
|
||
|
||
data = gtk_clipboard_wait_for_contents (clipboard, gdk_atom_intern_static_string ("TARGETS"));
|
||
|
||
if (data)
|
||
{
|
||
GdkAtom *tmp_targets;
|
||
gint tmp_n_targets;
|
||
|
||
result = gtk_selection_data_get_targets (data, &tmp_targets, &tmp_n_targets);
|
||
|
||
if (gdk_display_supports_selection_notification (gtk_clipboard_get_display (clipboard)))
|
||
{
|
||
clipboard->n_cached_targets = tmp_n_targets;
|
||
clipboard->cached_targets = g_memdup (tmp_targets,
|
||
tmp_n_targets * sizeof (GdkAtom));
|
||
}
|
||
|
||
if (n_targets)
|
||
*n_targets = tmp_n_targets;
|
||
|
||
if (targets)
|
||
*targets = tmp_targets;
|
||
else
|
||
g_free (tmp_targets);
|
||
|
||
gtk_selection_data_free (data);
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
static GtkClipboard *
|
||
clipboard_peek (GdkDisplay *display,
|
||
GdkAtom selection,
|
||
gboolean only_if_exists)
|
||
{
|
||
GtkClipboard *clipboard = NULL;
|
||
GSList *clipboards;
|
||
GSList *tmp_list;
|
||
|
||
if (selection == GDK_NONE)
|
||
selection = GDK_SELECTION_CLIPBOARD;
|
||
|
||
clipboards = g_object_get_data (G_OBJECT (display), "gtk-clipboard-list");
|
||
|
||
tmp_list = clipboards;
|
||
while (tmp_list)
|
||
{
|
||
clipboard = tmp_list->data;
|
||
if (clipboard->selection == selection)
|
||
break;
|
||
|
||
tmp_list = tmp_list->next;
|
||
}
|
||
|
||
if (!tmp_list && !only_if_exists)
|
||
{
|
||
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
|
||
NSString *pasteboard_name;
|
||
clipboard = g_object_new (GTK_TYPE_CLIPBOARD, NULL);
|
||
|
||
if (selection == GDK_SELECTION_CLIPBOARD)
|
||
pasteboard_name = NSGeneralPboard;
|
||
else
|
||
{
|
||
char *atom_string = gdk_atom_name (selection);
|
||
|
||
pasteboard_name = [NSString stringWithFormat:@"_GTK_%@",
|
||
[NSString stringWithUTF8String:atom_string]];
|
||
g_free (atom_string);
|
||
}
|
||
|
||
clipboard->pasteboard = [NSPasteboard pasteboardWithName:pasteboard_name];
|
||
|
||
[pool release];
|
||
|
||
clipboard->selection = selection;
|
||
clipboard->display = display;
|
||
clipboard->n_cached_targets = -1;
|
||
clipboard->n_storable_targets = -1;
|
||
clipboards = g_slist_prepend (clipboards, clipboard);
|
||
g_object_set_data (G_OBJECT (display), I_("gtk-clipboard-list"), clipboards);
|
||
g_signal_connect (display, "closed",
|
||
G_CALLBACK (clipboard_display_closed), clipboard);
|
||
gdk_display_request_selection_notification (display, selection);
|
||
}
|
||
|
||
return clipboard;
|
||
}
|
||
|
||
static void
|
||
gtk_clipboard_owner_change (GtkClipboard *clipboard,
|
||
GdkEventOwnerChange *event)
|
||
{
|
||
if (clipboard->n_cached_targets != -1)
|
||
{
|
||
clipboard->n_cached_targets = -1;
|
||
g_free (clipboard->cached_targets);
|
||
}
|
||
}
|
||
|
||
gboolean
|
||
gtk_clipboard_wait_is_target_available (GtkClipboard *clipboard,
|
||
GdkAtom target)
|
||
{
|
||
GdkAtom *targets;
|
||
gint i, n_targets;
|
||
gboolean retval = FALSE;
|
||
|
||
if (!gtk_clipboard_wait_for_targets (clipboard, &targets, &n_targets))
|
||
return FALSE;
|
||
|
||
for (i = 0; i < n_targets; i++)
|
||
{
|
||
if (targets[i] == target)
|
||
{
|
||
retval = TRUE;
|
||
break;
|
||
}
|
||
}
|
||
|
||
g_free (targets);
|
||
|
||
return retval;
|
||
}
|
||
|
||
void
|
||
_gtk_clipboard_handle_event (GdkEventOwnerChange *event)
|
||
{
|
||
}
|
||
|
||
void
|
||
gtk_clipboard_set_can_store (GtkClipboard *clipboard,
|
||
const GtkTargetEntry *targets,
|
||
gint n_targets)
|
||
{
|
||
/* FIXME: Implement */
|
||
}
|
||
|
||
void
|
||
gtk_clipboard_store (GtkClipboard *clipboard)
|
||
{
|
||
int i;
|
||
int n_targets = 0;
|
||
GtkTargetEntry *targets;
|
||
|
||
g_return_if_fail (GTK_IS_CLIPBOARD (clipboard));
|
||
|
||
if (!clipboard->target_list || !clipboard->get_func)
|
||
return;
|
||
|
||
/* We simply store all targets into the OS X clipboard. We should be
|
||
* using the functions gdk_display_supports_clipboard_persistence() and
|
||
* gdk_display_store_clipboard(), but since for OS X the clipboard support
|
||
* was implemented in GTK+ and not through GdkSelections, we do it this
|
||
* way. Doing this properly could be worthwhile to implement in the future.
|
||
*/
|
||
|
||
targets = gtk_target_table_new_from_list (clipboard->target_list,
|
||
&n_targets);
|
||
for (i = 0; i < n_targets; i++)
|
||
{
|
||
GtkSelectionData selection_data;
|
||
|
||
/* in each loop iteration, check if the content is still
|
||
* there, because calling get_func() can do anything to
|
||
* the clipboard
|
||
*/
|
||
if (!clipboard->target_list || !clipboard->get_func)
|
||
break;
|
||
|
||
memset (&selection_data, 0, sizeof (GtkSelectionData));
|
||
|
||
selection_data.selection = clipboard->selection;
|
||
selection_data.target = gdk_atom_intern_static_string (targets[i].target);
|
||
selection_data.display = gdk_display_get_default ();
|
||
selection_data.length = -1;
|
||
|
||
clipboard->get_func (clipboard, &selection_data,
|
||
targets[i].info, clipboard->user_data);
|
||
|
||
if (selection_data.length >= 0)
|
||
_gtk_quartz_set_selection_data_for_pasteboard (clipboard->pasteboard,
|
||
&selection_data);
|
||
|
||
g_free (selection_data.data);
|
||
}
|
||
|
||
if (targets)
|
||
gtk_target_table_free (targets, n_targets);
|
||
}
|
||
|
||
void
|
||
_gtk_clipboard_store_all (void)
|
||
{
|
||
GtkClipboard *clipboard;
|
||
GSList *displays, *list;
|
||
|
||
displays = gdk_display_manager_list_displays (gdk_display_manager_get ());
|
||
|
||
list = displays;
|
||
while (list)
|
||
{
|
||
GdkDisplay *display = list->data;
|
||
|
||
clipboard = clipboard_peek (display, GDK_SELECTION_CLIPBOARD, TRUE);
|
||
|
||
if (clipboard)
|
||
gtk_clipboard_store (clipboard);
|
||
|
||
list = list->next;
|
||
}
|
||
}
|