зеркало из https://github.com/mozilla/pjs.git
115 строки
3.4 KiB
C++
115 строки
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:expandtab:shiftwidth=4:tabstop=4:
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*/
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Christopher Blizzard
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* <blizzard@mozilla.org>. Portions created by the Initial Developer
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* are Copyright (C) 2001 the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Behnam Esfahbod <behnam@zwnj.org>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "prlink.h"
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#include "nsBidiKeyboard.h"
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#include <gtk/gtk.h>
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static PRLibrary *gtklib = nsnull;
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typedef gboolean (*GdkKeymapHaveBidiLayoutsType)(GdkKeymap *keymap);
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static GdkKeymapHaveBidiLayoutsType GdkKeymapHaveBidiLayouts = nsnull;
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NS_IMPL_ISUPPORTS1(nsBidiKeyboard, nsIBidiKeyboard)
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nsBidiKeyboard::nsBidiKeyboard()
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{
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#if defined(MOZ_X11)
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if (!gtklib)
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gtklib = PR_LoadLibrary("libgtk-x11-2.0.so.0");
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#else
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return;
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#endif
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if (gtklib && !GdkKeymapHaveBidiLayouts)
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GdkKeymapHaveBidiLayouts = (GdkKeymapHaveBidiLayoutsType) PR_FindFunctionSymbol(gtklib, "gdk_keymap_have_bidi_layouts");
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SetHaveBidiKeyboards();
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}
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nsBidiKeyboard::~nsBidiKeyboard()
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{
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if (gtklib) {
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PR_UnloadLibrary(gtklib);
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gtklib = nsnull;
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GdkKeymapHaveBidiLayouts = nsnull;
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}
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}
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NS_IMETHODIMP
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nsBidiKeyboard::IsLangRTL(bool *aIsRTL)
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{
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if (!mHaveBidiKeyboards)
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return NS_ERROR_FAILURE;
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*aIsRTL = (gdk_keymap_get_direction(NULL) == PANGO_DIRECTION_RTL);
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return NS_OK;
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}
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nsresult
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nsBidiKeyboard::SetHaveBidiKeyboards()
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{
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mHaveBidiKeyboards = false;
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if (!gtklib || !GdkKeymapHaveBidiLayouts)
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return NS_ERROR_FAILURE;
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mHaveBidiKeyboards = (*GdkKeymapHaveBidiLayouts)(NULL);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsBidiKeyboard::SetLangFromBidiLevel(PRUint8 aLevel)
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{
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// XXX Insert platform specific code to set keyboard language
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP nsBidiKeyboard::GetHaveBidiKeyboards(bool* aResult)
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{
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// not implemented yet
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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