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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /vcl/unx/gtk3/a11y/atkimage.cxx
parentInitial commit. (diff)
downloadlibreoffice-upstream.tar.xz
libreoffice-upstream.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vcl/unx/gtk3/a11y/atkimage.cxx')
-rw-r--r--vcl/unx/gtk3/a11y/atkimage.cxx135
1 files changed, 135 insertions, 0 deletions
diff --git a/vcl/unx/gtk3/a11y/atkimage.cxx b/vcl/unx/gtk3/a11y/atkimage.cxx
new file mode 100644
index 000000000..da4965b86
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+++ b/vcl/unx/gtk3/a11y/atkimage.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <string_view>
+
+#include "atkwrapper.hxx"
+
+#include <com/sun/star/accessibility/XAccessibleImage.hpp>
+
+using namespace ::com::sun::star;
+
+// FIXME
+static const gchar *
+getAsConst( std::u16string_view rString )
+{
+ static const int nMax = 10;
+ static OString aUgly[nMax];
+ static int nIdx = 0;
+ nIdx = (nIdx + 1) % nMax;
+ aUgly[nIdx] = OUStringToOString( rString, RTL_TEXTENCODING_UTF8 );
+ return aUgly[ nIdx ].getStr();
+}
+
+/// @throws uno::RuntimeException
+static css::uno::Reference<css::accessibility::XAccessibleImage>
+ getImage( AtkImage *pImage )
+{
+ AtkObjectWrapper *pWrap = ATK_OBJECT_WRAPPER( pImage );
+ if( pWrap )
+ {
+ if( !pWrap->mpImage.is() )
+ {
+ pWrap->mpImage.set(pWrap->mpContext, css::uno::UNO_QUERY);
+ }
+
+ return pWrap->mpImage;
+ }
+
+ return css::uno::Reference<css::accessibility::XAccessibleImage>();
+}
+
+extern "C" {
+
+static const gchar *
+image_get_image_description( AtkImage *image )
+{
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleImage> pImage
+ = getImage( image );
+ if( pImage.is() )
+ return getAsConst( pImage->getAccessibleImageDescription() );
+ }
+ catch(const uno::Exception&) {
+ g_warning( "Exception in getAccessibleImageDescription()" );
+ }
+
+ return nullptr;
+}
+
+static void
+image_get_image_position( AtkImage *image,
+ gint *x,
+ gint *y,
+ AtkCoordType coord_type )
+{
+ *x = *y = -1;
+ if( ATK_IS_COMPONENT( image ) )
+ {
+ gint nWidth = -1;
+ gint nHeight = -1;
+ atk_component_get_extents(ATK_COMPONENT(image), x, y, &nWidth, &nHeight, coord_type);
+ }
+ else
+ g_warning( "FIXME: no image position information" );
+}
+
+static void
+image_get_image_size( AtkImage *image,
+ gint *width,
+ gint *height )
+{
+ *width = *height = -1;
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleImage> pImage
+ = getImage( image );
+ if( pImage.is() )
+ {
+ *width = pImage->getAccessibleImageWidth();
+ *height = pImage->getAccessibleImageHeight();
+ }
+ }
+ catch(const uno::Exception&) {
+ g_warning( "Exception in getAccessibleImageHeight() or Width" );
+ }
+}
+
+static gboolean
+image_set_image_description( AtkImage *, const gchar * )
+{
+ g_warning ("FIXME: no set image description");
+ return FALSE;
+}
+
+} // extern "C"
+
+void
+imageIfaceInit (AtkImageIface *iface)
+{
+ g_return_if_fail (iface != nullptr);
+
+ iface->set_image_description = image_set_image_description;
+ iface->get_image_description = image_get_image_description;
+ iface->get_image_position = image_get_image_position;
+ iface->get_image_size = image_get_image_size;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */