forked from AuroraMiddleware/gtk
142 lines
3.8 KiB
C
142 lines
3.8 KiB
C
/*
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* Copyright © 2010 Intel Corporation
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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 Library 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library 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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#include "config.h"
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#include <fcntl.h>
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#include <unistd.h>
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#include <gio/gunixinputstream.h>
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#include <gio/gunixoutputstream.h>
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#include <glib-unix.h>
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#include "gdkwayland.h"
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#include "gdkprivate-wayland.h"
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#include "gdkdisplay-wayland.h"
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#include "gdkcontentformatsprivate.h"
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#include "gdkdndprivate.h"
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#include "gdkproperty.h"
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#include <string.h>
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gint
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_gdk_wayland_display_text_property_to_utf8_list (GdkDisplay *display,
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GdkAtom encoding,
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gint format,
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const guchar *text,
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gint length,
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gchar ***list)
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{
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GPtrArray *array;
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const gchar *ptr;
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gsize chunk_len;
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gchar *copy;
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guint nitems;
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ptr = (const gchar *) text;
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array = g_ptr_array_new ();
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while (ptr < (const gchar *) &text[length])
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{
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chunk_len = strlen (ptr);
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if (g_utf8_validate (ptr, chunk_len, NULL))
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{
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copy = g_strndup (ptr, chunk_len);
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g_ptr_array_add (array, copy);
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}
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ptr = &ptr[chunk_len + 1];
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}
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nitems = array->len;
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g_ptr_array_add (array, NULL);
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if (list)
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*list = (gchar **) g_ptr_array_free (array, FALSE);
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else
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g_ptr_array_free (array, TRUE);
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return nitems;
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}
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/* This function has been copied straight from the x11 backend */
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static gchar *
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sanitize_utf8 (const gchar *src,
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gboolean return_latin1)
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{
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gint len = strlen (src);
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GString *result = g_string_sized_new (len);
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const gchar *p = src;
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while (*p)
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{
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if (*p == '\r')
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{
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p++;
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if (*p == '\n')
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p++;
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g_string_append_c (result, '\n');
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}
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else
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{
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gunichar ch = g_utf8_get_char (p);
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if (!((ch < 0x20 && ch != '\t' && ch != '\n') || (ch >= 0x7f && ch < 0xa0)))
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{
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if (return_latin1)
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{
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if (ch <= 0xff)
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g_string_append_c (result, ch);
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else
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g_string_append_printf (result,
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ch < 0x10000 ? "\\u%04x" : "\\U%08x",
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ch);
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}
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else
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{
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char buf[7];
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gint buflen;
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buflen = g_unichar_to_utf8 (ch, buf);
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g_string_append_len (result, buf, buflen);
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}
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}
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p = g_utf8_next_char (p);
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}
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}
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return g_string_free (result, FALSE);
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}
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gchar *
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_gdk_wayland_display_utf8_to_string_target (GdkDisplay *display,
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const gchar *str)
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{
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/* This is mainly needed when interfacing with old clients through
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* Xwayland, the STRING target could be used, and passed as-is
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* by the compositor.
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*
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* There's already some handling of this atom (aka "mimetype" in
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* this backend) in common code, so we end up in this vfunc.
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*/
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return sanitize_utf8 (str, TRUE);
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}
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