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94342300a8
g_logv adds one for us already.
285 lines
6.3 KiB
C
285 lines
6.3 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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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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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include "config.h"
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#include "gdkselection.h"
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#include "gdkproperty.h"
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#include "gdkprivate.h"
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#include "gdkprivate-broadway.h"
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#include "gdkdisplay-broadway.h"
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#include <string.h>
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typedef struct _OwnerInfo OwnerInfo;
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struct _OwnerInfo
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{
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GdkAtom selection;
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GdkWindow *owner;
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gulong serial;
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};
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static GSList *owner_list;
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/* When a window is destroyed we check if it is the owner
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* of any selections. This is somewhat inefficient, but
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* owner_list is typically short, and it is a low memory,
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* low code solution
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*/
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void
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_gdk_broadway_selection_window_destroyed (GdkWindow *window)
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{
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GSList *tmp_list = owner_list;
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while (tmp_list)
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{
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OwnerInfo *info = tmp_list->data;
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tmp_list = tmp_list->next;
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if (info->owner == window)
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{
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owner_list = g_slist_remove (owner_list, info);
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g_free (info);
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}
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}
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}
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gboolean
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_gdk_broadway_display_set_selection_owner (GdkDisplay *display,
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GdkWindow *owner,
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GdkAtom selection,
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guint32 time,
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gboolean send_event)
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{
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GSList *tmp_list;
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OwnerInfo *info;
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if (gdk_display_is_closed (display))
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return FALSE;
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tmp_list = owner_list;
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while (tmp_list)
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{
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info = tmp_list->data;
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if (info->selection == selection)
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{
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owner_list = g_slist_remove (owner_list, info);
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g_free (info);
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break;
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}
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tmp_list = tmp_list->next;
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}
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if (owner)
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{
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info = g_new (OwnerInfo, 1);
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info->owner = owner;
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info->serial = _gdk_display_get_next_serial (display);
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info->selection = selection;
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owner_list = g_slist_prepend (owner_list, info);
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}
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return TRUE;
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}
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GdkWindow *
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_gdk_broadway_display_get_selection_owner (GdkDisplay *display,
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GdkAtom selection)
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{
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GSList *tmp_list;
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OwnerInfo *info;
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if (gdk_display_is_closed (display))
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return NULL;
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tmp_list = owner_list;
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while (tmp_list)
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{
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info = tmp_list->data;
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if (info->selection == selection)
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return info->owner;
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tmp_list = tmp_list->next;
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}
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return NULL;
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}
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void
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_gdk_broadway_display_convert_selection (GdkDisplay *display,
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GdkWindow *requestor,
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GdkAtom selection,
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GdkAtom target,
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guint32 time)
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{
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g_warning ("convert_selection not implemented");
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}
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gint
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_gdk_broadway_display_get_selection_property (GdkDisplay *display,
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GdkWindow *requestor,
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guchar **data,
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GdkAtom *ret_type,
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gint *ret_format)
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{
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if (ret_type)
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*ret_type = GDK_NONE;
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if (ret_format)
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*ret_format = 0;
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if (data)
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*data = NULL;
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g_warning ("get_selection_property not implemented");
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return 0;
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}
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void
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_gdk_broadway_display_send_selection_notify (GdkDisplay *display,
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GdkWindow *requestor,
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GdkAtom selection,
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GdkAtom target,
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GdkAtom property,
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guint32 time)
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{
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g_return_if_fail (GDK_IS_DISPLAY (display));
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g_warning ("send_selection_notify not implemented");
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}
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static gint
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make_list (const gchar *text,
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gint length,
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gboolean latin1,
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gchar ***list)
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{
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GSList *strings = NULL;
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gint n_strings = 0;
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gint i;
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const gchar *p = text;
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const gchar *q;
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GSList *tmp_list;
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GError *error = NULL;
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while (p < text + length)
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{
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gchar *str;
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q = p;
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while (*q && q < text + length)
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q++;
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if (latin1)
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{
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str = g_convert (p, q - p,
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"UTF-8", "ISO-8859-1",
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NULL, NULL, &error);
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if (!str)
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{
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g_warning ("Error converting selection from STRING: %s",
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error->message);
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g_error_free (error);
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}
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}
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else
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{
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str = g_strndup (p, q - p);
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if (!g_utf8_validate (str, -1, NULL))
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{
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g_warning ("Error converting selection from UTF8_STRING");
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g_free (str);
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str = NULL;
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}
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}
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if (str)
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{
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strings = g_slist_prepend (strings, str);
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n_strings++;
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}
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p = q + 1;
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}
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if (list)
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{
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*list = g_new (gchar *, n_strings + 1);
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(*list)[n_strings] = NULL;
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}
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i = n_strings;
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tmp_list = strings;
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while (tmp_list)
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{
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if (list)
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(*list)[--i] = tmp_list->data;
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else
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g_free (tmp_list->data);
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tmp_list = tmp_list->next;
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}
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g_slist_free (strings);
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return n_strings;
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}
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gint
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_gdk_broadway_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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g_return_val_if_fail (text != NULL, 0);
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g_return_val_if_fail (length >= 0, 0);
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g_return_val_if_fail (GDK_IS_DISPLAY (display), 0);
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if (encoding == GDK_TARGET_STRING)
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{
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return make_list ((gchar *)text, length, TRUE, list);
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}
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else if (encoding == gdk_atom_intern_static_string ("UTF8_STRING"))
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{
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return make_list ((gchar *)text, length, FALSE, list);
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}
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if (list)
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*list = NULL;
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return 0;
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}
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gchar *
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_gdk_broadway_display_utf8_to_string_target (GdkDisplay *display,
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const gchar *str)
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{
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return g_strdup (str);
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}
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