Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 91 insertions, 0 deletions

diff --git a/editeng/source/accessibility/AccessibleStringWrap.cxx b/editeng/source/accessibility/AccessibleStringWrap.cxx
new file mode 100644
index 000000000..519a1feb7
--- /dev/null
+++ b/editeng/source/accessibility/AccessibleStringWrap.cxx
@@ -0,0 +1,91 @@
+/* -*- 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 <algorithm>
+#include <cstdlib>
+
+#include <tools/debug.hxx>
+#include <utility>
+#include <vcl/outdev.hxx>
+
+#include <editeng/svxfont.hxx>
+#include <AccessibleStringWrap.hxx>
+
+
+// AccessibleStringWrap implementation
+
+
+AccessibleStringWrap::AccessibleStringWrap( OutputDevice& rDev, SvxFont& rFont, OUString aText ) :
+    mrDev( rDev ),
+    mrFont( rFont ),
+    maText(std::move( aText ))
+{
+}
+
+void AccessibleStringWrap::GetCharacterBounds( sal_Int32 nIndex, tools::Rectangle& rRect )
+{
+    DBG_ASSERT(nIndex >= 0,
+               "SvxAccessibleStringWrap::GetCharacterBounds: index value overflow");
+
+    mrFont.SetPhysFont(mrDev);
+
+    // #108900# Handle virtual position one-past-the end of the string
+    if( nIndex >= maText.getLength() )
+    {
+        // create a caret bounding rect that has the height of the
+        // current font and is one pixel wide.
+        rRect.SetLeft( mrDev.GetTextWidth(maText) );
+        rRect.SetTop( 0 );
+        rRect.SetSize( Size(mrDev.GetTextHeight(), 1) );
+    }
+    else
+    {
+        sal_Int32 aXArray[2];
+        mrDev.GetCaretPositions( maText, aXArray, nIndex, 1 );
+        rRect.SetLeft( 0 );
+        rRect.SetTop( 0 );
+        rRect.SetSize( Size(mrDev.GetTextHeight(), std::abs(aXArray[0] - aXArray[1])) );
+        rRect.Move( std::min(aXArray[0], aXArray[1]), 0 );
+    }
+
+    if( mrFont.IsVertical() )
+    {
+        // #101701# Rotate to vertical
+        rRect = tools::Rectangle( Point(-rRect.Top(), rRect.Left()),
+                           Point(-rRect.Bottom(), rRect.Right()));
+    }
+}
+
+sal_Int32 AccessibleStringWrap::GetIndexAtPoint( const Point& rPoint )
+{
+    // search for character bounding box containing given point
+    tools::Rectangle aRect;
+    sal_Int32 i, nLen = maText.getLength();
+    for( i=0; i<nLen; ++i )
+    {
+        GetCharacterBounds(i, aRect);
+        if( aRect.Contains(rPoint) )
+            return i;
+    }
+
+    return -1;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */