gecko-dev/widget/gtk/nsBidiKeyboard.cpp

56 lines
1.3 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:expandtab:shiftwidth=4:tabstop=4:
*/
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "prlink.h"
#include "nsBidiKeyboard.h"
#include <gtk/gtk.h>
NS_IMPL_ISUPPORTS(nsBidiKeyboard, nsIBidiKeyboard)
nsBidiKeyboard::nsBidiKeyboard()
{
Reset();
}
NS_IMETHODIMP
nsBidiKeyboard::Reset()
{
// NB: The default keymap can be null (e.g. in xpcshell). In that case,
// simply assume that we don't have bidi keyboards.
mHaveBidiKeyboards = false;
GdkDisplay *display = gdk_display_get_default();
if (!display)
return NS_OK;
GdkKeymap *keymap = gdk_keymap_get_for_display(display);
mHaveBidiKeyboards = keymap && gdk_keymap_have_bidi_layouts(keymap);
return NS_OK;
}
nsBidiKeyboard::~nsBidiKeyboard()
{
}
NS_IMETHODIMP
nsBidiKeyboard::IsLangRTL(bool *aIsRTL)
{
if (!mHaveBidiKeyboards)
return NS_ERROR_FAILURE;
*aIsRTL = (gdk_keymap_get_direction(gdk_keymap_get_default()) == PANGO_DIRECTION_RTL);
return NS_OK;
}
NS_IMETHODIMP nsBidiKeyboard::GetHaveBidiKeyboards(bool* aResult)
{
// not implemented yet
return NS_ERROR_NOT_IMPLEMENTED;
}