[gtk+/wip/otte/clipboard: 6/7] x11: Implement claiming the X Selection with the clipboard
- From: Benjamin Otte <otte src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk+/wip/otte/clipboard: 6/7] x11: Implement claiming the X Selection with the clipboard
- Date: Sat, 25 Nov 2017 22:01:40 +0000 (UTC)
commit 91fa3dd4e7ee1a9d5d33192f7c03420f567f8c21
Author: Benjamin Otte <otte redhat com>
Date: Sat Nov 25 21:59:39 2017 +0100
x11: Implement claiming the X Selection with the clipboard
... and of course support writing to other apps.
gdk/x11/gdkclipboard-x11.c | 402 ++++++++++++++++++++---
gdk/x11/gdkdisplay-x11.c | 2 +-
gdk/x11/gdkdisplay-x11.h | 2 +-
gdk/x11/gdkselectioninputstream-x11.c | 4 +-
gdk/x11/gdkselectionoutputstream-x11.c | 585 ++++++++++++++++++++++++++++++++
gdk/x11/gdkselectionoutputstream-x11.h | 67 ++++
gdk/x11/gdktextlistconverter-x11.c | 202 ++++++++++--
gdk/x11/gdktextlistconverter-x11.h | 3 +
gdk/x11/meson.build | 1 +
9 files changed, 1196 insertions(+), 72 deletions(-)
---
diff --git a/gdk/x11/gdkclipboard-x11.c b/gdk/x11/gdkclipboard-x11.c
index 3b7d608..fcd63a9 100644
--- a/gdk/x11/gdkclipboard-x11.c
+++ b/gdk/x11/gdkclipboard-x11.c
@@ -23,7 +23,9 @@
#include "gdkintl.h"
#include "gdkprivate-x11.h"
#include "gdkselectioninputstream-x11.h"
+#include "gdkselectionoutputstream-x11.h"
#include "gdktextlistconverter-x11.h"
+#include "gdk/gdk-private.h"
#include <string.h>
#include <X11/Xatom.h>
@@ -44,7 +46,7 @@ struct _GdkX11Clipboard
char *selection;
Atom xselection;
- guint32 timestamp;
+ gulong timestamp;
};
struct _GdkX11ClipboardClass
@@ -54,6 +56,142 @@ struct _GdkX11ClipboardClass
G_DEFINE_TYPE (GdkX11Clipboard, gdk_x11_clipboard, GDK_TYPE_CLIPBOARD)
+static void
+print_atoms (GdkX11Clipboard *cb,
+ const char *prefix,
+ const Atom *atoms,
+ gsize n_atoms)
+{
+ GDK_NOTE(CLIPBOARD,
+ GdkDisplay *display = gdk_clipboard_get_display (GDK_CLIPBOARD (cb));
+ gsize i;
+
+ g_printerr ("%s: %s [ ", cb->selection, prefix);
+ for (i = 0; i < n_atoms; i++)
+ {
+ g_printerr ("%s%s", i > 0 ? ", " : "", gdk_x11_get_xatom_name_for_display (display ,
atoms[i]));
+ }
+ g_printerr (" ]\n");
+ );
+}
+
+static void
+gdk_x11_clipboard_default_output_done (GObject *clipboard,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GError *error = NULL;
+
+ if (!gdk_clipboard_write_finish (GDK_CLIPBOARD (clipboard), result, &error))
+ {
+ GDK_NOTE(CLIPBOARD, g_printerr ("%s: failed to write stream: %s\n", GDK_X11_CLIPBOARD
(clipboard)->selection, error->message));
+ g_error_free (error);
+ }
+}
+
+static void
+gdk_x11_clipboard_default_output_handler (GdkX11Clipboard *cb,
+ const char *target,
+ GOutputStream *stream)
+{
+ gdk_clipboard_write_async (GDK_CLIPBOARD (cb),
+ g_intern_string (target),
+ stream,
+ G_PRIORITY_DEFAULT,
+ NULL,
+ gdk_x11_clipboard_default_output_done,
+ NULL);
+ g_object_unref (stream);
+}
+
+static void
+handle_targets_done (GObject *stream,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GError *error = NULL;
+ gsize bytes_written;
+
+ if (!g_output_stream_write_all_finish (G_OUTPUT_STREAM (stream), result, &bytes_written, &error))
+ {
+ GDK_NOTE(CLIPBOARD, g_printerr ("---: failed to send targets after %zu bytes: %s\n",
+ bytes_written, error->message));
+ g_error_free (error);
+ }
+
+ g_free (user_data);
+}
+
+static Atom *
+gdk_x11_clipboard_formats_to_atoms (GdkDisplay *display,
+ GdkContentFormats *formats,
+ gsize *n_atoms);
+
+static void
+handle_targets (GdkX11Clipboard *cb,
+ const char *target,
+ const char *encoding,
+ int format,
+ GOutputStream *stream)
+{
+ GdkClipboard *clipboard = GDK_CLIPBOARD (cb);
+ Atom *atoms;
+ gsize n_atoms;
+
+ atoms = gdk_x11_clipboard_formats_to_atoms (gdk_clipboard_get_display (clipboard),
+ gdk_clipboard_get_formats (clipboard),
+ &n_atoms);
+ print_atoms (cb, "sending targets", atoms, n_atoms);
+ g_output_stream_write_all_async (stream,
+ atoms,
+ n_atoms * sizeof (Atom),
+ G_PRIORITY_DEFAULT,
+ NULL,
+ handle_targets_done,
+ atoms);
+ g_object_unref (stream);
+}
+
+static void
+handle_timestamp_done (GObject *stream,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GError *error = NULL;
+ gsize bytes_written;
+
+ if (!g_output_stream_write_all_finish (G_OUTPUT_STREAM (stream), result, &bytes_written, &error))
+ {
+ GDK_NOTE(CLIPBOARD, g_printerr ("---: failed to send timestamp after %zu bytes: %s\n",
+ bytes_written, error->message));
+ g_error_free (error);
+ }
+
+ g_slice_free (gulong, user_data);
+}
+
+static void
+handle_timestamp (GdkX11Clipboard *cb,
+ const char *target,
+ const char *encoding,
+ int format,
+ GOutputStream *stream)
+{
+ gulong *timestamp;
+
+ timestamp = g_slice_new (gulong);
+ *timestamp = cb->timestamp;
+
+ g_output_stream_write_all_async (stream,
+ timestamp,
+ sizeof (gulong),
+ G_PRIORITY_DEFAULT,
+ NULL,
+ handle_timestamp_done,
+ timestamp);
+ g_object_unref (stream);
+}
+
static GInputStream *
text_list_convert (GdkX11Clipboard *cb,
GInputStream *stream,
@@ -74,6 +212,37 @@ text_list_convert (GdkX11Clipboard *cb,
return converter_stream;
}
+static void
+handle_text_list (GdkX11Clipboard *cb,
+ const char *target,
+ const char *encoding,
+ int format,
+ GOutputStream *stream)
+{
+ GOutputStream *converter_stream;
+ GConverter *converter;
+
+ converter = gdk_x11_text_list_converter_to_utf8_new (gdk_clipboard_get_display (GDK_CLIPBOARD (cb)),
+ encoding,
+ format);
+ converter_stream = g_converter_output_stream_new (stream, converter);
+
+ g_object_unref (converter);
+ g_object_unref (stream);
+
+ gdk_x11_clipboard_default_output_handler (cb, "text/plain;charset=utf-8", converter_stream);
+}
+
+static void
+handle_utf8 (GdkX11Clipboard *cb,
+ const char *target,
+ const char *encoding,
+ int format,
+ GOutputStream *stream)
+{
+ gdk_x11_clipboard_default_output_handler (cb, "text/plain;charset=utf-8", stream);
+}
+
static GInputStream *
no_convert (GdkX11Clipboard *cb,
GInputStream *stream,
@@ -87,32 +256,18 @@ static const struct {
const char *x_target;
const char *mime_type;
GInputStream * (* convert) (GdkX11Clipboard *, GInputStream *, const char *, int);
+ const char *type;
+ gint format;
+ void (* handler) (GdkX11Clipboard *, const char *, const char *, int, GOutputStream *);
} special_targets[] = {
- { "UTF8_STRING", "text/plain;charset=utf-8", no_convert },
- { "COMPOUND_TEXT", "text/plain;charset=utf-8", text_list_convert },
- { "TEXT", "text/plain;charset=utf-8", text_list_convert },
- { "STRING", "text/plain;charset=utf-8", text_list_convert }
+ { "UTF8_STRING", "text/plain;charset=utf-8", no_convert, "UTF8_STRING", 0, handle_utf8 },
+ { "COMPOUND_TEXT", "text/plain;charset=utf-8", text_list_convert, "COMPUND_TEXT", 0, handle_text_list },
+ { "TEXT", "text/plain;charset=utf-8", text_list_convert, "STRING", 0, handle_text_list },
+ { "STRING", "text/plain;charset=utf-8", text_list_convert, "STRING", 0, handle_text_list },
+ { "TARGETS", NULL, NULL, "ATOM", 32, handle_targets },
+ { "TIMESTAMP", NULL, NULL, "INTEGER", 32, handle_timestamp }
};
-static void
-print_atoms (GdkX11Clipboard *cb,
- const char *prefix,
- const Atom *atoms,
- gsize n_atoms)
-{
- GDK_NOTE(CLIPBOARD,
- GdkDisplay *display = gdk_clipboard_get_display (GDK_CLIPBOARD (cb));
- gsize i;
-
- g_printerr ("%s: %s [ ", cb->selection, prefix);
- for (i = 0; i < n_atoms; i++)
- {
- g_printerr ("%s%s", i > 0 ? ", " : "", gdk_x11_get_xatom_name_for_display (display ,
atoms[i]));
- }
- g_printerr (" ]\n");
- );
-}
-
static GSList *
gdk_x11_clipboard_formats_to_targets (GdkContentFormats *formats)
{
@@ -127,8 +282,11 @@ gdk_x11_clipboard_formats_to_targets (GdkContentFormats *formats)
{
for (j = 0; j < G_N_ELEMENTS (special_targets); j++)
{
+ if (special_targets[j].mime_type == NULL)
+ continue;
+
if (g_str_equal (mime_types[i], special_targets[j].mime_type))
- targets = g_slist_prepend (targets, (gpointer) g_intern_string (special_targets[i].x_target));
+ targets = g_slist_prepend (targets, (gpointer) g_intern_string (special_targets[j].x_target));
}
targets = g_slist_prepend (targets, (gpointer) mime_types[i]);
}
@@ -136,6 +294,35 @@ gdk_x11_clipboard_formats_to_targets (GdkContentFormats *formats)
return g_slist_reverse (targets);
}
+static Atom *
+gdk_x11_clipboard_formats_to_atoms (GdkDisplay *display,
+ GdkContentFormats *formats,
+ gsize *n_atoms)
+{
+ GSList *l, *targets;
+ Atom *atoms;
+ gsize i;
+
+ targets = gdk_x11_clipboard_formats_to_targets (formats);
+
+ for (i = 0; i < G_N_ELEMENTS (special_targets); i++)
+ {
+ if (special_targets[i].mime_type != NULL)
+ continue;
+
+ if (special_targets[i].handler)
+ targets = g_slist_prepend (targets, (gpointer) g_intern_string (special_targets[i].x_target));
+ }
+
+ *n_atoms = g_slist_length (targets);
+ atoms = g_new (Atom, *n_atoms);
+ i = 0;
+ for (l = targets; l; l = l->next)
+ atoms[i++] = gdk_x11_get_xatom_by_name_for_display (display, l->data);
+
+ return atoms;
+}
+
static GdkContentFormats *
gdk_x11_clipboard_formats_from_atoms (GdkDisplay *display,
const Atom *atoms,
@@ -160,7 +347,8 @@ gdk_x11_clipboard_formats_from_atoms (GdkDisplay *display,
{
if (g_str_equal (name, special_targets[j].x_target))
{
- gdk_content_formats_builder_add_mime_type (builder, special_targets[j].mime_type);
+ if (special_targets[j].mime_type)
+ gdk_content_formats_builder_add_mime_type (builder, special_targets[j].mime_type);
break;
}
}
@@ -269,6 +457,19 @@ gdk_x11_clipboard_request_targets (GdkX11Clipboard *cb)
g_object_ref (cb));
}
+static void
+gdk_x11_clipboard_claim_remote (GdkX11Clipboard *cb,
+ guint32 timestamp)
+{
+ GdkContentFormats *empty;
+
+ empty = gdk_content_formats_new (NULL, 0);
+ gdk_clipboard_claim_remote (GDK_CLIPBOARD (cb), empty);
+ gdk_content_formats_unref (empty);
+ cb->timestamp = timestamp;
+ gdk_x11_clipboard_request_targets (cb);
+}
+
static GdkFilterReturn
gdk_x11_clipboard_filter_event (GdkXEvent *xev,
GdkEvent *gdkevent,
@@ -287,23 +488,99 @@ gdk_x11_clipboard_filter_event (GdkXEvent *xev,
switch (xevent->type)
{
+ case SelectionClear:
+ if (xevent->xselectionclear.selection != cb->xselection)
+ return GDK_FILTER_CONTINUE;
+
+ if (xevent->xselectionclear.time < cb->timestamp)
+ {
+ GDK_NOTE(CLIPBOARD, g_printerr ("%s: ignoring SelectionClear with too old timestamp (%lu vs
%lu)\n",
+ cb->selection, xevent->xselectionclear.time, cb->timestamp));
+ return GDK_FILTER_CONTINUE;
+ }
+
+ GDK_NOTE(CLIPBOARD, g_printerr ("%s: got SelectionClear\n", cb->selection));
+ gdk_x11_clipboard_claim_remote (cb, xevent->xselectionclear.time);
+ return GDK_FILTER_REMOVE;
+
+ case SelectionRequest:
+ {
+ GOutputStream *stream;
+ const char *target, *property;
+ gsize i;
+
+ if (xevent->xselectionrequest.selection != cb->xselection)
+ return GDK_FILTER_CONTINUE;
+
+ target = gdk_x11_get_xatom_name_for_display (display, xevent->xselectionrequest.target);
+ if (xevent->xselectionrequest.property == None)
+ property = target;
+ else
+ property = gdk_x11_get_xatom_name_for_display (display, xevent->xselectionrequest.property);
+
+ if (!gdk_clipboard_is_local (GDK_CLIPBOARD (cb)))
+ {
+ GDK_NOTE(CLIPBOARD, g_printerr ("%s: got SelectionRequest for %s @ %s even though we don't own
the selection, huh?\n",
+ cb->selection, target, property));
+ return GDK_FILTER_REMOVE;
+ }
+ if (xevent->xselectionrequest.requestor == None)
+ {
+ GDK_NOTE(CLIPBOARD, g_printerr ("%s: got SelectionRequest for %s @ %s with NULL window,
ignoring\n",
+ cb->selection, target, property));
+ return GDK_FILTER_REMOVE;
+ }
+
+ GDK_NOTE(CLIPBOARD, g_printerr ("%s: got SelectionRequest for %s @ %s\n",
+ cb->selection, target, property));
+ for (i = 0; i < G_N_ELEMENTS (special_targets); i++)
+ {
+ if (g_str_equal (target, special_targets[i].x_target))
+ {
+ if (special_targets[i].handler)
+ {
+ stream = gdk_x11_selection_output_stream_new (display,
+ xevent->xselectionrequest.requestor,
+ cb->selection,
+ target,
+ property,
+ special_targets[i].type,
+ special_targets[i].format,
+ xevent->xselectionrequest.time);
+ special_targets[i].handler (cb, target, special_targets[i].type,
special_targets[i].format,stream);
+ }
+ break;
+ }
+ }
+ if (i == G_N_ELEMENTS (special_targets))
+ {
+ stream = gdk_x11_selection_output_stream_new (display,
+ xevent->xselectionrequest.requestor,
+ cb->selection,
+ target,
+ property,
+ target,
+ 8,
+ xevent->xselectionrequest.time);
+ gdk_x11_clipboard_default_output_handler (cb, target, stream);
+ }
+
+ return GDK_FILTER_REMOVE;
+ }
+
default:
#ifdef HAVE_XFIXES
if (xevent->type - GDK_X11_DISPLAY (display)->xfixes_event_base == XFixesSelectionNotify)
- {
- XFixesSelectionNotifyEvent *sn = (XFixesSelectionNotifyEvent *) xevent;
+ {
+ XFixesSelectionNotifyEvent *sn = (XFixesSelectionNotifyEvent *) xevent;
- if (sn->selection == cb->xselection)
- {
- GdkContentFormats *empty;
-
- GDK_NOTE(CLIPBOARD, g_printerr ("%s: got FixesSelectionNotify\n", cb->selection));
- empty = gdk_content_formats_new (NULL, 0);
- gdk_clipboard_claim_remote (GDK_CLIPBOARD (cb), empty);
- gdk_content_formats_unref (empty);
- cb->timestamp = sn->selection_timestamp;
- gdk_x11_clipboard_request_targets (cb);
- }
+ if (sn->selection != cb->xselection)
+ return GDK_FILTER_CONTINUE;
+
+ if (sn->owner == GDK_X11_DISPLAY (display)->leader_window)
+ return GDK_FILTER_CONTINUE;
+
+ gdk_x11_clipboard_claim_remote (cb, sn->selection_timestamp);
}
#endif
return GDK_FILTER_CONTINUE;
@@ -321,6 +598,50 @@ gdk_x11_clipboard_finalize (GObject *object)
G_OBJECT_CLASS (gdk_x11_clipboard_parent_class)->finalize (object);
}
+static gboolean
+gdk_x11_clipboard_claim (GdkClipboard *clipboard,
+ GdkContentFormats *formats,
+ gboolean local,
+ GdkContentProvider *content)
+{
+ if (local)
+ {
+ GdkX11Clipboard *cb = GDK_X11_CLIPBOARD (clipboard);
+ GdkDisplay *display = gdk_clipboard_get_display (GDK_CLIPBOARD (cb));
+ Display *xdisplay = GDK_DISPLAY_XDISPLAY (display);
+ Window xwindow = GDK_X11_DISPLAY (display)->leader_window;
+ guint32 time;
+
+ time = gdk_display_get_last_seen_time (display);
+
+#if 0
+ /* calling it twice ensures X sends out a XFixesSelectionNotify.
+ * Otherwise clients might not realize that the contents changed. */
+ XSetSelectionOwner (xdisplay, cb->xselection, None, time - 1);
+#endif
+
+ if (content)
+ {
+ XSetSelectionOwner (xdisplay, cb->xselection, xwindow, time);
+
+ if (XGetSelectionOwner (xdisplay, cb->xselection) != xwindow)
+ {
+ GDK_NOTE(CLIPBOARD, g_printerr ("%s: failed XSetSelectionOwner()\n", cb->selection));
+ return FALSE;
+ }
+ }
+ else
+ {
+ XSetSelectionOwner (xdisplay, cb->xselection, None, time);
+ }
+
+ cb->timestamp = time;
+ GDK_NOTE(CLIPBOARD, g_printerr ("%s: claimed via XSetSelectionOwner()\n", cb->selection));
+ }
+
+ return GDK_CLIPBOARD_CLASS (gdk_x11_clipboard_parent_class)->claim (clipboard, formats, local, content);
+}
+
static void
gdk_x11_clipboard_read_got_stream (GObject *source,
GAsyncResult *res,
@@ -371,6 +692,8 @@ gdk_x11_clipboard_read_got_stream (GObject *source,
{
if (g_str_equal (mime_type, special_targets[i].x_target))
{
+ g_assert (special_targets[i].mime_type != NULL);
+
GDK_NOTE(CLIPBOARD, g_printerr ("%s: reading with converter from %s to %s\n",
cb->selection, mime_type, special_targets[i].mime_type));
mime_type = g_intern_string (special_targets[i].mime_type);
@@ -468,6 +791,7 @@ gdk_x11_clipboard_class_init (GdkX11ClipboardClass *class)
object_class->finalize = gdk_x11_clipboard_finalize;
+ clipboard_class->claim = gdk_x11_clipboard_claim;
clipboard_class->read_async = gdk_x11_clipboard_read_async;
clipboard_class->read_finish = gdk_x11_clipboard_read_finish;
}
diff --git a/gdk/x11/gdkdisplay-x11.c b/gdk/x11/gdkdisplay-x11.c
index b1e5738..c54ed13 100644
--- a/gdk/x11/gdkdisplay-x11.c
+++ b/gdk/x11/gdkdisplay-x11.c
@@ -2059,7 +2059,7 @@ gdk_x11_display_finalize (GObject *object)
_gdk_x11_display_free_translate_queue (GDK_DISPLAY (display_x11));
/* Get rid of pending streams */
- g_slist_free_full (display_x11->input_streams, g_object_unref);
+ g_slist_free_full (display_x11->streams, g_object_unref);
/* Atom Hashtable */
g_hash_table_destroy (display_x11->atom_from_virtual);
diff --git a/gdk/x11/gdkdisplay-x11.h b/gdk/x11/gdkdisplay-x11.h
index 9be2bde..bf7ad27 100644
--- a/gdk/x11/gdkdisplay-x11.h
+++ b/gdk/x11/gdkdisplay-x11.h
@@ -105,7 +105,7 @@ struct _GdkX11Display
GQueue *translate_queue;
/* streams reading selections */
- GSList *input_streams;
+ GSList *streams;
/* input GdkWindow list */
GList *input_windows;
diff --git a/gdk/x11/gdkselectioninputstream-x11.c b/gdk/x11/gdkselectioninputstream-x11.c
index e62db50..6083f75 100644
--- a/gdk/x11/gdkselectioninputstream-x11.c
+++ b/gdk/x11/gdkselectioninputstream-x11.c
@@ -160,7 +160,7 @@ gdk_x11_selection_input_stream_complete (GdkX11SelectionInputStream *stream)
g_async_queue_push (priv->chunks, g_bytes_new (NULL, 0));
gdk_x11_selection_input_stream_flush (stream);
- GDK_X11_DISPLAY (priv->display)->input_streams = g_slist_remove (GDK_X11_DISPLAY
(priv->display)->input_streams, stream);
+ GDK_X11_DISPLAY (priv->display)->streams = g_slist_remove (GDK_X11_DISPLAY (priv->display)->streams,
stream);
gdk_window_remove_filter (NULL, gdk_x11_selection_input_stream_filter_event, stream);
g_object_unref (stream);
@@ -521,7 +521,7 @@ gdk_x11_selection_input_stream_new_async (GdkDisplay *display,
priv = gdk_x11_selection_input_stream_get_instance_private (stream);
priv->display = display;
- GDK_X11_DISPLAY (display)->input_streams = g_slist_prepend (GDK_X11_DISPLAY (display)->input_streams,
stream);
+ GDK_X11_DISPLAY (display)->streams = g_slist_prepend (GDK_X11_DISPLAY (display)->streams, stream);
priv->selection = g_strdup (selection);
priv->xselection = gdk_x11_get_xatom_by_name_for_display (display, priv->selection);
priv->target = g_strdup (target);
diff --git a/gdk/x11/gdkselectionoutputstream-x11.c b/gdk/x11/gdkselectionoutputstream-x11.c
new file mode 100644
index 0000000..6426384
--- /dev/null
+++ b/gdk/x11/gdkselectionoutputstream-x11.c
@@ -0,0 +1,585 @@
+/* GIO - GLib Output, Output and Streaming Library
+ *
+ * Copyright (C) 2017 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 2.1 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/>.
+ *
+ * Author: Benjamin Otte <otte gnome org>
+ * Christian Kellner <gicmo gnome org>
+ */
+
+#include "config.h"
+
+#include "gdkselectionoutputstream-x11.h"
+
+#include "gdkdisplay-x11.h"
+#include "gdkintl.h"
+#include "gdkx11display.h"
+#include "gdkx11property.h"
+#include "gdkx11window.h"
+
+typedef struct GdkX11SelectionOutputStreamPrivate GdkX11SelectionOutputStreamPrivate;
+
+struct GdkX11SelectionOutputStreamPrivate {
+ GdkDisplay *display;
+ Window xwindow;
+ char *selection;
+ Atom xselection;
+ char *target;
+ Atom xtarget;
+ char *property;
+ Atom xproperty;
+ const char *type;
+ Atom xtype;
+ int format;
+ gulong timestamp;
+
+ GMutex mutex;
+ GCond cond;
+ GByteArray *data;
+ guint flush_requested : 1;
+
+ GTask *pending_task;
+
+ guint started : 1;
+ guint incr : 1;
+ guint delete_pending : 1;
+};
+
+G_DEFINE_TYPE_WITH_PRIVATE (GdkX11SelectionOutputStream, gdk_x11_selection_output_stream,
G_TYPE_OUTPUT_STREAM);
+
+static GdkFilterReturn
+gdk_x11_selection_output_stream_filter_event (GdkXEvent *xevent,
+ GdkEvent *gdkevent,
+ gpointer data);
+
+static gboolean
+gdk_x11_selection_output_stream_can_flush (GdkX11SelectionOutputStream *stream)
+{
+ GdkX11SelectionOutputStreamPrivate *priv = gdk_x11_selection_output_stream_get_instance_private (stream);
+
+ if (priv->delete_pending)
+ return FALSE;
+
+ return TRUE;
+}
+
+static gboolean
+gdk_x11_selection_output_stream_needs_flush_unlocked (GdkX11SelectionOutputStream *stream)
+{
+ GdkX11SelectionOutputStreamPrivate *priv = gdk_x11_selection_output_stream_get_instance_private (stream);
+
+ if (priv->data->len == 0)
+ return FALSE;
+
+ if (g_output_stream_is_closing (G_OUTPUT_STREAM (stream)))
+ return TRUE;
+
+ if (priv->flush_requested)
+ return TRUE;
+
+ return priv->data->len >= gdk_x11_display_get_max_request_size (priv->display);
+}
+
+static gboolean
+gdk_x11_selection_output_stream_needs_flush (GdkX11SelectionOutputStream *stream)
+{
+ GdkX11SelectionOutputStreamPrivate *priv = gdk_x11_selection_output_stream_get_instance_private (stream);
+
+ gboolean result;
+
+ g_mutex_lock (&priv->mutex);
+
+ result = gdk_x11_selection_output_stream_needs_flush_unlocked (stream);
+
+ g_mutex_unlock (&priv->mutex);
+
+ return result;
+}
+
+static gsize
+get_element_size (int format)
+{
+ switch (format)
+ {
+ case 8:
+ return 1;
+
+ case 16:
+ return sizeof (short);
+
+ case 32:
+ return sizeof (long);
+
+ default:
+ g_warning ("Unknown format %u", format);
+ return 1;
+ }
+}
+
+static void
+gdk_x11_selection_output_stream_perform_flush (GdkX11SelectionOutputStream *stream)
+{
+ GdkX11SelectionOutputStreamPrivate *priv = gdk_x11_selection_output_stream_get_instance_private (stream);
+ Display *xdisplay;
+ gsize element_size, n_elements;
+ int error;
+
+ g_assert (!priv->delete_pending);
+
+ xdisplay = gdk_x11_display_get_xdisplay (priv->display);
+
+ /* We operate on a foreign window, better guard against catastrophe */
+ gdk_x11_display_error_trap_push (priv->display);
+
+ g_mutex_lock (&priv->mutex);
+
+ element_size = get_element_size (priv->format);
+ n_elements = priv->data->len / element_size;
+
+ if (!priv->started && !g_output_stream_is_closing (G_OUTPUT_STREAM (stream)))
+ {
+ XWindowAttributes attrs;
+
+ priv->incr = TRUE;
+ GDK_NOTE(SELECTION, g_printerr ("%s:%s: initiating INCR transfer\n",
+ priv->selection, priv->target));
+
+ XGetWindowAttributes (xdisplay,
+ priv->xwindow,
+ &attrs);
+ if (!(attrs.your_event_mask & PropertyChangeMask))
+ {
+ XSelectInput (xdisplay, priv->xwindow, attrs.your_event_mask | PropertyChangeMask);
+ }
+
+ XChangeProperty (GDK_DISPLAY_XDISPLAY (priv->display),
+ priv->xwindow,
+ priv->xproperty,
+ gdk_x11_get_xatom_by_name_for_display (priv->display, "INCR"),
+ 32,
+ PropModeReplace,
+ (guchar *) &(long) { n_elements },
+ 1);
+ }
+ else
+ {
+ XChangeProperty (GDK_DISPLAY_XDISPLAY (priv->display),
+ priv->xwindow,
+ priv->xproperty,
+ priv->xtype,
+ priv->format,
+ PropModeReplace,
+ priv->data->data,
+ n_elements);
+ GDK_NOTE(SELECTION, g_printerr ("%s:%s: wrote %zu/%u bytes\n",
+ priv->selection, priv->target, n_elements * element_size,
priv->data->len));
+ g_byte_array_remove_range (priv->data, 0, n_elements * element_size);
+ if (priv->data->len < element_size)
+ priv->flush_requested = FALSE;
+ }
+
+ if (!priv->started)
+ {
+ XSelectionEvent xevent;
+
+ xevent.type = SelectionNotify;
+ xevent.serial = 0;
+ xevent.send_event = True;
+ xevent.requestor = priv->xwindow;
+ xevent.selection = priv->xselection;
+ xevent.target = priv->xtarget;
+ xevent.property = priv->xproperty;
+ xevent.time = priv->timestamp;
+
+ if (XSendEvent (xdisplay, priv->xwindow, False, NoEventMask, (XEvent*) & xevent) == 0)
+ {
+ GDK_NOTE(SELECTION, g_printerr ("%s:%s: failed to XSendEvent()\n",
+ priv->selection, priv->target));
+ g_warning ("failed to XSendEvent()");
+ }
+ XSync (xdisplay, False);
+
+ GDK_NOTE(SELECTION, g_printerr ("%s:%s: sent SelectionNotify for %s on %s\n",
+ priv->selection, priv->target, priv->target, priv->property));
+ priv->started = TRUE;
+ }
+
+ priv->delete_pending = TRUE;
+ g_cond_broadcast (&priv->cond);
+ g_mutex_unlock (&priv->mutex);
+
+ /* XXX: handle failure here and report EPIPE for future operations on the stream? */
+ error = gdk_x11_display_error_trap_pop (priv->display);
+ if (error != Success)
+ {
+ GDK_NOTE(SELECTION, g_printerr ("%s:%s: X error during write: %d\n",
+ priv->selection, priv->target, error));
+ }
+
+ if (priv->pending_task)
+ {
+ g_task_return_int (priv->pending_task, GPOINTER_TO_SIZE (g_task_get_task_data (priv->pending_task)));
+ g_object_unref (priv->pending_task);
+ priv->pending_task = NULL;
+ }
+}
+
+static gboolean
+gdk_x11_selection_output_stream_invoke_flush (gpointer data)
+{
+ GdkX11SelectionOutputStream *stream = GDK_X11_SELECTION_OUTPUT_STREAM (data);
+
+ if (gdk_x11_selection_output_stream_needs_flush (stream) &
+ gdk_x11_selection_output_stream_can_flush (stream))
+ gdk_x11_selection_output_stream_perform_flush (stream);
+
+ return G_SOURCE_REMOVE;
+}
+
+static gssize
+gdk_x11_selection_output_stream_write (GOutputStream *output_stream,
+ const void *buffer,
+ gsize count,
+ GCancellable *cancellable,
+ GError **error)
+{
+ GdkX11SelectionOutputStream *stream = GDK_X11_SELECTION_OUTPUT_STREAM (output_stream);
+ GdkX11SelectionOutputStreamPrivate *priv = gdk_x11_selection_output_stream_get_instance_private (stream);
+
+ g_mutex_lock (&priv->mutex);
+ g_byte_array_append (priv->data, buffer, count);
+ GDK_NOTE(SELECTION, g_printerr ("%s:%s: wrote %zu bytes, %u total now\n",
+ priv->selection, priv->target, count, priv->data->len));
+ g_mutex_unlock (&priv->mutex);
+
+ g_main_context_invoke (NULL, gdk_x11_selection_output_stream_invoke_flush, stream);
+
+ g_mutex_lock (&priv->mutex);
+ if (gdk_x11_selection_output_stream_needs_flush_unlocked (stream))
+ g_cond_wait (&priv->cond, &priv->mutex);
+ g_mutex_unlock (&priv->mutex);
+
+ return count;
+}
+
+static void
+gdk_x11_selection_output_stream_write_async (GOutputStream *output_stream,
+ const void *buffer,
+ gsize count,
+ int io_priority,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GdkX11SelectionOutputStream *stream = GDK_X11_SELECTION_OUTPUT_STREAM (output_stream);
+ GdkX11SelectionOutputStreamPrivate *priv = gdk_x11_selection_output_stream_get_instance_private (stream);
+ GTask *task;
+
+ task = g_task_new (stream, cancellable, callback, user_data);
+ g_task_set_source_tag (task, gdk_x11_selection_output_stream_write_async);
+ g_task_set_priority (task, io_priority);
+
+ g_mutex_lock (&priv->mutex);
+ g_byte_array_append (priv->data, buffer, count);
+ GDK_NOTE(SELECTION, g_printerr ("%s:%s: async wrote %zu bytes, %u total now\n",
+ priv->selection, priv->target, count, priv->data->len));
+ g_mutex_unlock (&priv->mutex);
+
+ if (!gdk_x11_selection_output_stream_needs_flush (stream))
+ {
+ g_task_return_int (task, count);
+ g_object_unref (task);
+ return;
+ }
+ else if (!gdk_x11_selection_output_stream_can_flush (stream))
+ {
+ g_assert (priv->pending_task == NULL);
+ priv->pending_task = task;
+ g_task_set_task_data (task, GSIZE_TO_POINTER (count), NULL);
+ return;
+ }
+ else
+ {
+ gdk_x11_selection_output_stream_perform_flush (stream);
+ g_task_return_int (task, count);
+ g_object_unref (task);
+ return;
+ }
+}
+
+static gssize
+gdk_x11_selection_output_stream_write_finish (GOutputStream *stream,
+ GAsyncResult *result,
+ GError **error)
+{
+ g_return_val_if_fail (g_task_is_valid (result, stream), -1);
+ g_return_val_if_fail (g_task_get_source_tag (G_TASK (result)) ==
gdk_x11_selection_output_stream_write_async, -1);
+
+ return g_task_propagate_int (G_TASK (result), error);
+}
+
+static gboolean
+gdk_x11_selection_output_request_flush (GdkX11SelectionOutputStream *stream)
+{
+ GdkX11SelectionOutputStreamPrivate *priv = gdk_x11_selection_output_stream_get_instance_private (stream);
+ gboolean needs_flush;
+
+ g_mutex_lock (&priv->mutex);
+
+ needs_flush = priv->data->len >= get_element_size (priv->format);
+ if (needs_flush)
+ priv->flush_requested = TRUE;
+
+ g_mutex_unlock (&priv->mutex);
+
+ GDK_NOTE(SELECTION, g_printerr ("%s:%s: requested flush%s\n",
+ priv->selection, priv->target, needs_flush ? "" : ", but not needed"));
+ return needs_flush;
+}
+
+static gboolean
+gdk_x11_selection_output_stream_flush (GOutputStream *output_stream,
+ GCancellable *cancellable,
+ GError **error)
+{
+ GdkX11SelectionOutputStream *stream = GDK_X11_SELECTION_OUTPUT_STREAM (output_stream);
+ GdkX11SelectionOutputStreamPrivate *priv = gdk_x11_selection_output_stream_get_instance_private (stream);
+
+ if (!gdk_x11_selection_output_request_flush (stream))
+ return TRUE;
+
+ g_main_context_invoke (NULL, gdk_x11_selection_output_stream_invoke_flush, stream);
+
+ g_mutex_lock (&priv->mutex);
+ if (gdk_x11_selection_output_stream_needs_flush_unlocked (stream))
+ g_cond_wait (&priv->cond, &priv->mutex);
+ g_mutex_unlock (&priv->mutex);
+
+ return TRUE;
+}
+
+static void
+gdk_x11_selection_output_stream_flush_async (GOutputStream *output_stream,
+ int io_priority,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GdkX11SelectionOutputStream *stream = GDK_X11_SELECTION_OUTPUT_STREAM (output_stream);
+ GdkX11SelectionOutputStreamPrivate *priv = gdk_x11_selection_output_stream_get_instance_private (stream);
+ GTask *task;
+
+ task = g_task_new (stream, cancellable, callback, user_data);
+ g_task_set_source_tag (task, gdk_x11_selection_output_stream_flush_async);
+ g_task_set_priority (task, io_priority);
+
+ if (!gdk_x11_selection_output_stream_can_flush (stream))
+ {
+ if (gdk_x11_selection_output_request_flush (stream))
+ {
+ g_assert (priv->pending_task == NULL);
+ priv->pending_task = task;
+ return;
+ }
+ else
+ {
+ g_task_return_boolean (task, TRUE);
+ g_object_unref (task);
+ return;
+ }
+ }
+
+ gdk_x11_selection_output_stream_perform_flush (stream);
+ g_task_return_boolean (task, TRUE);
+ g_object_unref (task);
+ return;
+}
+
+static gboolean
+gdk_x11_selection_output_stream_flush_finish (GOutputStream *stream,
+ GAsyncResult *result,
+ GError **error)
+{
+ g_return_val_if_fail (g_task_is_valid (result, stream), FALSE);
+ g_return_val_if_fail (g_async_result_is_tagged (result, gdk_x11_selection_output_stream_flush_async),
FALSE);
+
+ return g_task_propagate_boolean (G_TASK (result), error);
+}
+
+static gboolean
+gdk_x11_selection_output_stream_invoke_close (gpointer stream)
+{
+ GdkX11SelectionOutputStreamPrivate *priv = gdk_x11_selection_output_stream_get_instance_private (stream);
+
+ GDK_X11_DISPLAY (priv->display)->streams = g_slist_remove (GDK_X11_DISPLAY (priv->display)->streams,
stream);
+ gdk_window_remove_filter (NULL, gdk_x11_selection_output_stream_filter_event, stream);
+
+ return G_SOURCE_REMOVE;
+}
+
+static gboolean
+gdk_x11_selection_output_stream_close (GOutputStream *stream,
+ GCancellable *cancellable,
+ GError **error)
+{
+ g_main_context_invoke (NULL, gdk_x11_selection_output_stream_invoke_close, stream);
+
+ return TRUE;
+}
+
+static void
+gdk_x11_selection_output_stream_close_async (GOutputStream *stream,
+ int io_priority,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GTask *task;
+
+ task = g_task_new (stream, cancellable, callback, user_data);
+ g_task_set_source_tag (task, gdk_x11_selection_output_stream_close_async);
+ g_task_set_priority (task, io_priority);
+
+ gdk_x11_selection_output_stream_invoke_close (stream);
+ g_task_return_boolean (task, TRUE);
+
+ g_object_unref (task);
+}
+
+static gboolean
+gdk_x11_selection_output_stream_close_finish (GOutputStream *stream,
+ GAsyncResult *result,
+ GError **error)
+{
+ g_return_val_if_fail (g_task_is_valid (result, stream), FALSE);
+ g_return_val_if_fail (g_async_result_is_tagged (result, gdk_x11_selection_output_stream_close_async),
FALSE);
+
+ return g_task_propagate_boolean (G_TASK (result), error);
+}
+
+static void
+gdk_x11_selection_output_stream_finalize (GObject *object)
+{
+ GdkX11SelectionOutputStream *stream = GDK_X11_SELECTION_OUTPUT_STREAM (object);
+ GdkX11SelectionOutputStreamPrivate *priv = gdk_x11_selection_output_stream_get_instance_private (stream);
+
+ g_byte_array_unref (priv->data);
+ g_cond_clear (&priv->cond);
+ g_mutex_clear (&priv->mutex);
+
+ g_free (priv->selection);
+ g_free (priv->target);
+ g_free (priv->property);
+
+ G_OBJECT_CLASS (gdk_x11_selection_output_stream_parent_class)->finalize (object);
+}
+
+static void
+gdk_x11_selection_output_stream_class_init (GdkX11SelectionOutputStreamClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GOutputStreamClass *output_stream_class = G_OUTPUT_STREAM_CLASS (klass);
+
+ object_class->finalize = gdk_x11_selection_output_stream_finalize;
+
+ output_stream_class->write_fn = gdk_x11_selection_output_stream_write;
+ output_stream_class->flush = gdk_x11_selection_output_stream_flush;
+ output_stream_class->close_fn = gdk_x11_selection_output_stream_close;
+
+ output_stream_class->write_async = gdk_x11_selection_output_stream_write_async;
+ output_stream_class->write_finish = gdk_x11_selection_output_stream_write_finish;
+ output_stream_class->flush_async = gdk_x11_selection_output_stream_flush_async;
+ output_stream_class->flush_finish = gdk_x11_selection_output_stream_flush_finish;
+ output_stream_class->close_async = gdk_x11_selection_output_stream_close_async;
+ output_stream_class->close_finish = gdk_x11_selection_output_stream_close_finish;
+}
+
+static void
+gdk_x11_selection_output_stream_init (GdkX11SelectionOutputStream *stream)
+{
+ GdkX11SelectionOutputStreamPrivate *priv = gdk_x11_selection_output_stream_get_instance_private (stream);
+
+ g_mutex_init (&priv->mutex);
+ g_cond_init (&priv->cond);
+ priv->data = g_byte_array_new ();
+}
+
+static GdkFilterReturn
+gdk_x11_selection_output_stream_filter_event (GdkXEvent *xev,
+ GdkEvent *gdkevent,
+ gpointer data)
+{
+ GdkX11SelectionOutputStream *stream = GDK_X11_SELECTION_OUTPUT_STREAM (data);
+ GdkX11SelectionOutputStreamPrivate *priv = gdk_x11_selection_output_stream_get_instance_private (stream);
+ XEvent *xevent = xev;
+ Display *xdisplay;
+
+ xdisplay = gdk_x11_display_get_xdisplay (priv->display);
+
+ if (xevent->xany.display != xdisplay ||
+ xevent->xany.window != priv->xwindow)
+ return GDK_FILTER_CONTINUE;
+
+ switch (xevent->type)
+ {
+ case PropertyNotify:
+ if (!priv->incr ||
+ xevent->xproperty.atom != priv->xproperty ||
+ xevent->xproperty.state != PropertyDelete)
+ return GDK_FILTER_CONTINUE;
+
+ GDK_NOTE(SELECTION, g_printerr ("%s:%s: got PropertyNotify Delete during INCR\n",
+ priv->selection, priv->target));
+ return GDK_FILTER_CONTINUE;
+
+ default:
+ return GDK_FILTER_CONTINUE;
+ }
+}
+
+GOutputStream *
+gdk_x11_selection_output_stream_new (GdkDisplay *display,
+ Window window,
+ const char *selection,
+ const char *target,
+ const char *property,
+ const char *type,
+ int format,
+ gulong timestamp)
+{
+ GdkX11SelectionOutputStream *stream;
+ GdkX11SelectionOutputStreamPrivate *priv;
+
+ stream = g_object_new (GDK_TYPE_X11_SELECTION_OUTPUT_STREAM, NULL);
+ priv = gdk_x11_selection_output_stream_get_instance_private (stream);
+
+ priv->display = display;
+ GDK_X11_DISPLAY (display)->streams = g_slist_prepend (GDK_X11_DISPLAY (display)->streams, stream);
+ priv->xwindow = window;
+ priv->selection = g_strdup (selection);
+ priv->xselection = gdk_x11_get_xatom_by_name_for_display (display, priv->selection);
+ priv->target = g_strdup (target);
+ priv->xtarget = gdk_x11_get_xatom_by_name_for_display (display, priv->target);
+ priv->property = g_strdup (property);
+ priv->xproperty = gdk_x11_get_xatom_by_name_for_display (display, priv->property);
+ priv->type = g_strdup (type);
+ priv->xtype = gdk_x11_get_xatom_by_name_for_display (display, priv->type);
+ priv->format = format;
+ priv->timestamp = timestamp;
+
+ gdk_window_add_filter (NULL, gdk_x11_selection_output_stream_filter_event, stream);
+
+ return G_OUTPUT_STREAM (stream);
+}
diff --git a/gdk/x11/gdkselectionoutputstream-x11.h b/gdk/x11/gdkselectionoutputstream-x11.h
new file mode 100644
index 0000000..874d35b
--- /dev/null
+++ b/gdk/x11/gdkselectionoutputstream-x11.h
@@ -0,0 +1,67 @@
+/* GIO - GLib Output, Output and Streaming Library
+ *
+ * Copyright (C) 2017 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 2.1 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/>.
+ *
+ * Author: Benjamin Otte <otte gnome org>
+ * Christian Kellner <gicmo gnome org>
+ */
+
+#ifndef __GDK_X11_SELECTION_OUTPUT_STREAM_H__
+#define __GDK_X11_SELECTION_OUTPUT_STREAM_H__
+
+#include <gio/gio.h>
+#include "gdktypes.h"
+
+#include <X11/Xlib.h>
+
+G_BEGIN_DECLS
+
+#define GDK_TYPE_X11_SELECTION_OUTPUT_STREAM (gdk_x11_selection_output_stream_get_type ())
+#define GDK_X11_SELECTION_OUTPUT_STREAM(o) (G_TYPE_CHECK_INSTANCE_CAST ((o),
GDK_TYPE_X11_SELECTION_OUTPUT_STREAM, GdkX11SelectionOutputStream))
+#define GDK_X11_SELECTION_OUTPUT_STREAM_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k),
GDK_TYPE_X11_SELECTION_OUTPUT_STREAM, GdkX11SelectionOutputStreamClass))
+#define GDK_IS_X11_SELECTION_OUTPUT_STREAM(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o),
GDK_TYPE_X11_SELECTION_OUTPUT_STREAM))
+#define GDK_IS_X11_SELECTION_OUTPUT_STREAM_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k),
GDK_TYPE_X11_SELECTION_OUTPUT_STREAM))
+#define GDK_X11_SELECTION_OUTPUT_STREAM_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o),
GDK_TYPE_X11_SELECTION_OUTPUT_STREAM, GdkX11SelectionOutputStreamClass))
+
+typedef struct GdkX11SelectionOutputStream GdkX11SelectionOutputStream;
+typedef struct GdkX11SelectionOutputStreamClass GdkX11SelectionOutputStreamClass;
+
+struct GdkX11SelectionOutputStream
+{
+ GOutputStream parent_instance;
+};
+
+struct GdkX11SelectionOutputStreamClass
+{
+ GOutputStreamClass parent_class;
+};
+
+
+GType gdk_x11_selection_output_stream_get_type (void) G_GNUC_CONST;
+
+GOutputStream * gdk_x11_selection_output_stream_new (GdkDisplay *display,
+ Window window,
+ const char *selection,
+ const char *target,
+ const char *property,
+ const char *type,
+ int format,
+ gulong timestamp);
+
+
+G_END_DECLS
+
+#endif /* __GDK_X11_SELECTION_OUTPUT_STREAM_H__ */
diff --git a/gdk/x11/gdktextlistconverter-x11.c b/gdk/x11/gdktextlistconverter-x11.c
index 7fe56d1..f39dc6c 100644
--- a/gdk/x11/gdktextlistconverter-x11.c
+++ b/gdk/x11/gdktextlistconverter-x11.c
@@ -39,6 +39,8 @@ struct _GdkX11TextListConverter
const char *encoding; /* interned */
gint format;
+
+ guint encoder : 1;
};
struct _GdkX11TextListConverterClass
@@ -47,17 +49,39 @@ struct _GdkX11TextListConverterClass
};
static GConverterResult
-gdk_x11_text_list_converter_convert (GConverter *converter,
- const void *inbuf,
- gsize inbuf_size,
- void *outbuf,
- gsize outbuf_size,
- GConverterFlags flags,
- gsize *bytes_read,
- gsize *bytes_written,
- GError **error)
+write_output (void *outbuf,
+ gsize outbuf_size,
+ gsize *bytes_written,
+ const void *data,
+ gssize len,
+ GError **error)
+{
+ if (len < 0)
+ len = strlen (data) + 1;
+
+ if (outbuf_size < len)
+ {
+ g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NO_SPACE,
+ _("Not enough space in destination"));
+ return G_CONVERTER_ERROR;
+ }
+
+ memcpy (outbuf, data, len);
+ *bytes_written = len;
+ return G_CONVERTER_FINISHED;
+}
+
+static GConverterResult
+gdk_x11_text_list_converter_decode (GdkX11TextListConverter *conv,
+ const void *inbuf,
+ gsize inbuf_size,
+ void *outbuf,
+ gsize outbuf_size,
+ GConverterFlags flags,
+ gsize *bytes_read,
+ gsize *bytes_written,
+ GError **error)
{
- GdkX11TextListConverter *conv = GDK_X11_TEXT_LIST_CONVERTER (converter);
gint count;
char **list;
@@ -83,32 +107,135 @@ gdk_x11_text_list_converter_convert (GConverter *converter,
}
else if (count == 0)
{
- if (outbuf_size < 1)
- {
- g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NO_SPACE,
- _("Not enough space in destination"));
- return G_CONVERTER_ERROR;
- }
- ((gchar *) outbuf)[0] = 0;
*bytes_read = inbuf_size;
- *bytes_written = 1;
- return G_CONVERTER_FINISHED;
+ return write_output (outbuf, outbuf_size, bytes_written, "", 1, error);
}
else
{
- gsize len = strlen (list[0]) + 1;
+ GConverterResult result;
+
+ result = write_output (outbuf, outbuf_size, bytes_written, list[0], -1, error);
+ g_strfreev (list);
+ *bytes_read = inbuf_size;
+ return result;
+ }
+}
+
+static GConverterResult
+gdk_x11_text_list_converter_encode (GdkX11TextListConverter *conv,
+ const void *inbuf,
+ gsize inbuf_size,
+ void *outbuf,
+ gsize outbuf_size,
+ GConverterFlags flags,
+ gsize *bytes_read,
+ gsize *bytes_written,
+ GError **error)
+{
+ if (!(flags & G_CONVERTER_INPUT_AT_END))
+ {
+ g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_PARTIAL_INPUT,
+ _("Need complete input to do conversion"));
+ return G_CONVERTER_ERROR;
+ }
+
+ if (g_str_equal (conv->encoding, "STRING") ||
+ g_str_equal (conv->encoding, "TEXT"))
+ {
+ GConverterResult result;
+ gchar *tmp, *latin1;
- if (outbuf_size < len)
+ tmp = g_strndup (inbuf, inbuf_size);
+ latin1 = gdk_utf8_to_string_target (tmp);
+ g_free (tmp);
+ if (latin1)
{
- g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_NO_SPACE,
- _("Not enough space in destination"));
- return G_CONVERTER_ERROR;
+ result = write_output (outbuf, outbuf_size, bytes_written, latin1, -1, error);
+ g_free (latin1);
}
- memcpy (outbuf, list[0], len);
- g_strfreev (list);
- *bytes_read = inbuf_size;
- *bytes_written = len;
- return G_CONVERTER_FINISHED;
+ else
+ {
+ g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_INVALID_DATA,
+ _("Invalid byte sequence in conversion input"));
+ result = G_CONVERTER_ERROR;
+ }
+ return result;
+ }
+ else if (g_str_equal (conv->encoding, "COMPOUND_TEXT"))
+ {
+ GConverterResult result;
+ guchar *text;
+ GdkAtom encoding;
+ gint format;
+ gint new_length;
+ char *tmp;
+
+ tmp = g_strndup (inbuf, inbuf_size);
+ if (gdk_x11_display_utf8_to_compound_text (conv->display, tmp,
+ &encoding, &format, &text, &new_length))
+ {
+ if (encoding == gdk_atom_intern (conv->encoding, FALSE) &&
+ format == conv->format)
+ {
+ result = write_output (outbuf, outbuf_size, bytes_written, text, new_length, error);
+ }
+ else
+ {
+ g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
+ _("Invalid formats in compound text conversion."));
+ result = G_CONVERTER_ERROR;
+ }
+ gdk_x11_free_compound_text (text);
+ }
+ else
+ {
+ g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_INVALID_DATA,
+ _("Invalid byte sequence in conversion input"));
+ result = G_CONVERTER_ERROR;
+ }
+ g_free (tmp);
+ return result;
+ }
+ else
+ {
+ g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
+ _("Unsupported encoding \"%s\""), conv->encoding);
+ return G_CONVERTER_ERROR;
+ }
+
+ return FALSE;
+}
+
+static GConverterResult
+gdk_x11_text_list_converter_convert (GConverter *converter,
+ const void *inbuf,
+ gsize inbuf_size,
+ void *outbuf,
+ gsize outbuf_size,
+ GConverterFlags flags,
+ gsize *bytes_read,
+ gsize *bytes_written,
+ GError **error)
+{
+ GdkX11TextListConverter *conv = GDK_X11_TEXT_LIST_CONVERTER (converter);
+
+ if (conv->encoder)
+ {
+ return gdk_x11_text_list_converter_encode (conv,
+ inbuf, inbuf_size,
+ outbuf, outbuf_size,
+ flags,
+ bytes_read, bytes_written,
+ error);
+ }
+ else
+ {
+ return gdk_x11_text_list_converter_decode (conv,
+ inbuf, inbuf_size,
+ outbuf, outbuf_size,
+ flags,
+ bytes_read, bytes_written,
+ error);
}
}
@@ -167,3 +294,20 @@ gdk_x11_text_list_converter_to_utf8_new (GdkDisplay *display,
return G_CONVERTER (conv);
}
+GConverter *
+gdk_x11_text_list_converter_from_utf8_new (GdkDisplay *display,
+ const char *encoding,
+ int format)
+{
+ GdkX11TextListConverter *conv;
+
+ conv = g_object_new (GDK_TYPE_X11_TEXT_LIST_CONVERTER, NULL);
+
+ conv->display = g_object_ref (display);
+ conv->encoding = g_intern_string (encoding);
+ conv->format = format;
+ conv->encoder = TRUE;
+
+ return G_CONVERTER (conv);
+}
+
diff --git a/gdk/x11/gdktextlistconverter-x11.h b/gdk/x11/gdktextlistconverter-x11.h
index 9017a8b..473c518 100644
--- a/gdk/x11/gdktextlistconverter-x11.h
+++ b/gdk/x11/gdktextlistconverter-x11.h
@@ -37,6 +37,9 @@ GType gdk_x11_text_list_converter_get_type (void) G_GNUC_CO
GConverter * gdk_x11_text_list_converter_to_utf8_new (GdkDisplay *display,
const char *encoding,
int format);
+GConverter * gdk_x11_text_list_converter_from_utf8_new (GdkDisplay *display,
+ const char *encoding,
+ int format);
G_END_DECLS
diff --git a/gdk/x11/meson.build b/gdk/x11/meson.build
index db74295..5321381 100644
--- a/gdk/x11/meson.build
+++ b/gdk/x11/meson.build
@@ -22,6 +22,7 @@ gdk_x11_sources = files([
'gdkscreen-x11.c',
'gdkselection-x11.c',
'gdkselectioninputstream-x11.c',
+ 'gdkselectionoutputstream-x11.c',
'gdktextlistconverter-x11.c',
'gdkvisual-x11.c',
'gdkvulkancontext-x11.c',
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