gtk2/gtk/gtkclipboard-wayland.c

878 lines
24 KiB
C
Raw Normal View History

/* GTK - The GIMP Toolkit
* Copyright (C) 2000 Red Hat, Inc.
* Copyright (C) 2004 Nokia Corporation
* Copyright (C) 2006-2008 Imendio AB
* Copyright (C) 2011-2012 Intel Corporation
*
* 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.
*
*/
#include "config.h"
#include <string.h>
#include "gtkclipboard.h"
#include "gtkinvisible.h"
#include "gtkmain.h"
#include "gtkmarshalers.h"
#include "gtkintl.h"
#include "gtktextbuffer.h"
#include "gtkselectionprivate.h"
#include "../gdk/gdk.h"
#include "../gdk/wayland/gdkwayland.h"
enum {
OWNER_CHANGE,
LAST_SIGNAL
};
typedef struct _GtkClipboardClass GtkClipboardClass;
typedef struct _SetContentClosure SetContentClosure;
struct _GtkClipboard
{
GObject parent_instance;
GObject *owner;
GdkDisplay *display;
SetContentClosure *last_closure;
};
struct _GtkClipboardClass
{
GObjectClass parent_class;
void (*owner_change) (GtkClipboard *clipboard,
GdkEventOwnerChange *event);
};
static void gtk_clipboard_class_init (GtkClipboardClass *class);
static void gtk_clipboard_finalize (GObject *object);
static void gtk_clipboard_owner_change (GtkClipboard *clipboard,
GdkEventOwnerChange *event);
static GObjectClass *parent_class;
static guint clipboard_signals[LAST_SIGNAL] = { 0 };
GType
gtk_clipboard_get_type (void)
{
static GType clipboard_type = 0;
if (!clipboard_type)
{
const GTypeInfo clipboard_info =
{
sizeof (GtkClipboardClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gtk_clipboard_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GtkClipboard),
0, /* n_preallocs */
(GInstanceInitFunc) NULL,
};
clipboard_type = g_type_register_static (G_TYPE_OBJECT, I_("GtkClipboard"),
&clipboard_info, 0);
}
return clipboard_type;
}
static void
gtk_clipboard_class_init (GtkClipboardClass *class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (class);
parent_class = g_type_class_peek_parent (class);
gobject_class->finalize = gtk_clipboard_finalize;
class->owner_change = gtk_clipboard_owner_change;
clipboard_signals[OWNER_CHANGE] =
g_signal_new (I_("owner-change"),
G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkClipboardClass, owner_change),
NULL, NULL,
_gtk_marshal_VOID__BOXED,
G_TYPE_NONE, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
}
static void
gtk_clipboard_finalize (GObject *object)
{
G_OBJECT_CLASS (parent_class)->finalize (object);
}
GtkClipboard *
gtk_clipboard_get_for_display (GdkDisplay *display,
GdkAtom selection)
{
GtkClipboard *clipboard;
if (selection == GDK_NONE)
selection = GDK_SELECTION_CLIPBOARD;
if (selection != GDK_SELECTION_CLIPBOARD)
{
g_warning (G_STRLOC ": Only able to create clipboard for CLIPBOARD");
}
selection = GDK_SELECTION_CLIPBOARD;
clipboard = g_object_get_data (G_OBJECT (display), "gtk-clipboard");
if (clipboard)
return clipboard;
clipboard = g_object_new (GTK_TYPE_CLIPBOARD, NULL);
clipboard->display = display;
g_object_set_data (G_OBJECT (display), "gtk-clipboard", clipboard);
/* TODO: Need to connect to display closed to free this */
return clipboard;
}
GtkClipboard *
gtk_clipboard_get (GdkAtom selection)
{
return gtk_clipboard_get_for_display (gdk_display_get_default (), selection);
}
struct _SetContentClosure {
GtkClipboard *clipboard;
GtkClipboardGetFunc get_func;
GtkClipboardClearFunc clear_func;
guint info;
gpointer userdata;
GtkTargetPair *targets;
gint n_targets;
};
static gchar *
_offer_cb (GdkDevice *device,
const gchar *mime_type,
gssize *len,
gpointer userdata)
{
SetContentClosure *closure = (SetContentClosure *)userdata;
GtkSelectionData selection_data = { 0, };
guint info = 0;
gint i;
selection_data.target = gdk_atom_intern (mime_type, FALSE);
for (i = 0; i < closure->n_targets; i++)
{
if (closure->targets[i].target == selection_data.target)
{
info = closure->targets[i].info;
break;
}
}
closure->get_func (closure->clipboard,
&selection_data,
info,
closure->userdata);
*len = gtk_selection_data_get_length (&selection_data);
/* The caller of this callback will free this data - the GtkClipboardGetFunc
* uses gtk_selection_data_set which copies*/
return (gchar *)selection_data.data;
}
static gboolean
gtk_clipboard_set_contents (GtkClipboard *clipboard,
const GtkTargetEntry *targets,
guint n_targets,
GtkClipboardGetFunc get_func,
GtkClipboardClearFunc clear_func,
gpointer user_data,
gboolean have_owner)
{
GdkDeviceManager *device_manager;
GdkDevice *device;
gint i;
gchar **mimetypes;
SetContentClosure *closure;
gtk_clipboard_clear (clipboard);
device_manager = gdk_display_get_device_manager (gdk_display_get_default ());
device = gdk_device_manager_get_client_pointer (device_manager);
closure = g_new0 (SetContentClosure, 1);
closure->clipboard = clipboard;
closure->get_func = get_func;
closure->clear_func = clear_func;
closure->userdata = user_data;
closure->targets = g_new0 (GtkTargetPair, n_targets);
closure->n_targets = n_targets;
mimetypes = g_new (gchar *, n_targets);
for (i = 0; i < n_targets; i++)
{
mimetypes[i] = targets[i].target;
closure->targets[i].target = gdk_atom_intern (targets[i].target, FALSE);
closure->targets[i].flags = targets[i].flags;
closure->targets[i].info = targets[i].info;
}
gdk_wayland_device_offer_selection_content (device,
(const gchar **)mimetypes,
n_targets,
_offer_cb,
closure);
clipboard->last_closure = closure;
g_free (mimetypes);
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);
g_return_val_if_fail (targets != NULL, FALSE);
g_return_val_if_fail (get_func != NULL, FALSE);
return gtk_clipboard_set_contents (clipboard, targets, n_targets,
get_func, clear_func, user_data,
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->owner)
return clipboard->owner;
else
return NULL;
}
void
gtk_clipboard_clear (GtkClipboard *clipboard)
{
GdkDeviceManager *device_manager;
GdkDevice *device;
if (!clipboard->last_closure)
return;
device_manager = gdk_display_get_device_manager (gdk_display_get_default ());
device = gdk_device_manager_get_client_pointer (device_manager);
gdk_wayland_device_clear_selection_content (device);
if (clipboard->last_closure->clear_func)
{
clipboard->last_closure->clear_func (clipboard,
clipboard->last_closure->userdata);
}
/* TODO: Free last closure */
clipboard->last_closure = NULL;
}
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 = { "text/plain;charset=utf-8", 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);
}
typedef struct {
GtkClipboard *clipboard;
GCallback cb;
gpointer userdata;
GdkAtom target;
} ClipboardRequestClosure;
static void
_request_generic_cb (GdkDevice *device,
const gchar *data,
gsize len,
gpointer userdata)
{
ClipboardRequestClosure *closure = (ClipboardRequestClosure *)userdata;
GtkClipboardReceivedFunc cb = (GtkClipboardReceivedFunc)closure->cb;
GtkSelectionData selection_data;
selection_data.selection = GDK_SELECTION_CLIPBOARD;
selection_data.target = closure->target;
selection_data.length = len;
selection_data.data = (guchar *)data;
cb (closure->clipboard, &selection_data, closure->userdata);
g_free (closure);
}
void
gtk_clipboard_request_contents (GtkClipboard *clipboard,
GdkAtom target,
GtkClipboardReceivedFunc callback,
gpointer user_data)
{
GdkDeviceManager *device_manager;
GdkDevice *device;
ClipboardRequestClosure *closure;
device_manager = gdk_display_get_device_manager (gdk_display_get_default ());
device = gdk_device_manager_get_client_pointer (device_manager);
closure = g_new0 (ClipboardRequestClosure, 1);
closure->clipboard = clipboard;
closure->cb = (GCallback)callback;
closure->userdata = user_data;
closure->target = target;
/* TODO: Do we need to check that target is valid ? */
gdk_wayland_device_request_selection_content (device,
gdk_atom_name (target),
_request_generic_cb,
closure);
}
static void
_request_text_cb (GdkDevice *device,
const gchar *data,
gsize len,
gpointer userdata)
{
ClipboardRequestClosure *closure = (ClipboardRequestClosure *)userdata;
GtkClipboardTextReceivedFunc cb = (GtkClipboardTextReceivedFunc)closure->cb;
cb (closure->clipboard, data, closure->userdata);
g_free (closure);
}
void
gtk_clipboard_request_text (GtkClipboard *clipboard,
GtkClipboardTextReceivedFunc callback,
gpointer user_data)
{
GdkDeviceManager *device_manager;
GdkDevice *device;
ClipboardRequestClosure *closure;
device_manager = gdk_display_get_device_manager (gdk_display_get_default ());
device = gdk_device_manager_get_client_pointer (device_manager);
closure = g_new0 (ClipboardRequestClosure, 1);
closure->clipboard = clipboard;
closure->cb = (GCallback)callback;
closure->userdata = user_data;
gdk_wayland_device_request_selection_content (device,
"text/plain;charset=utf-8",
_request_text_cb,
closure);
}
void
gtk_clipboard_request_rich_text (GtkClipboard *clipboard,
GtkTextBuffer *buffer,
GtkClipboardRichTextReceivedFunc callback,
gpointer user_data)
{
/* FIXME: Implement */
}
void
gtk_clipboard_request_image (GtkClipboard *clipboard,
GtkClipboardImageReceivedFunc callback,
gpointer user_data)
{
/* FIXME: Implement */
}
void
gtk_clipboard_request_uris (GtkClipboard *clipboard,
GtkClipboardURIReceivedFunc callback,
gpointer user_data)
{
/* FIXME: Implement */
}
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);
g_free (targets);
}
typedef struct {
GMainLoop *loop;
GtkSelectionData *selection_data;
} WaitClosure;
static void
_wait_for_contents_cb (GtkClipboard *clipboard,
GtkSelectionData *selection_data,
gpointer userdata)
{
WaitClosure *closure = (WaitClosure *)userdata;
if (gtk_selection_data_get_length (selection_data) != -1)
closure->selection_data = gtk_selection_data_copy (selection_data);
g_main_loop_quit (closure->loop);
}
GtkSelectionData *
gtk_clipboard_wait_for_contents (GtkClipboard *clipboard,
GdkAtom target)
{
GdkDeviceManager *device_manager;
GdkDevice *device;
WaitClosure *closure;
GtkSelectionData *selection_data = NULL;
g_return_val_if_fail (clipboard != NULL, NULL);
g_return_val_if_fail (target != GDK_NONE, NULL);
device_manager = gdk_display_get_device_manager (clipboard->display);
device = gdk_device_manager_get_client_pointer (device_manager);
if (target == gdk_atom_intern_static_string ("TARGETS"))
{
GdkAtom *atoms;
gint nr_atoms;
selection_data = g_slice_new0 (GtkSelectionData);
selection_data->selection = GDK_SELECTION_CLIPBOARD;
selection_data->target = target;
nr_atoms = gdk_wayland_device_get_selection_type_atoms (device, &atoms);
gtk_selection_data_set (selection_data,
GDK_SELECTION_TYPE_ATOM, 32,
(guchar *)atoms,
32 * nr_atoms);
g_free (atoms);
return selection_data;
}
closure = g_new0 (WaitClosure, 1);
closure->selection_data = NULL;
closure->loop = g_main_loop_new (NULL, TRUE);
gtk_clipboard_request_contents (clipboard,
target,
_wait_for_contents_cb,
closure);
if (g_main_loop_is_running (closure->loop))
{
GDK_THREADS_LEAVE ();
g_main_loop_run (closure->loop);
GDK_THREADS_ENTER ();
}
g_main_loop_unref (closure->loop);
selection_data = closure->selection_data;
g_free (closure);
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 ("text/plain;charset=utf-8"));
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;
}
guint8 *
gtk_clipboard_wait_for_rich_text (GtkClipboard *clipboard,
GtkTextBuffer *buffer,
GdkAtom *format,
gsize *length)
{
/* FIXME: Implement */
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);
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 (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 void
gtk_clipboard_owner_change (GtkClipboard *clipboard,
GdkEventOwnerChange *event)
{
}
gboolean
gtk_clipboard_wait_is_target_available (GtkClipboard *clipboard,
GdkAtom target)
{
GdkAtom *targets;
gint i, n_targets;
gboolean retval = FALSE;
g_return_val_if_fail (clipboard != NULL, 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)
{
/* FIXME: Implement */
}
void
_gtk_clipboard_store_all (void)
{
/* FIXME: Implement */
}