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-rw-r--r--sd/source/ui/sidebar/PreviewValueSet.cxx127
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diff --git a/sd/source/ui/sidebar/PreviewValueSet.cxx b/sd/source/ui/sidebar/PreviewValueSet.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 "PreviewValueSet.hxx"
+#include <vcl/commandevent.hxx>
+
+namespace sd::sidebar {
+
+const int gnBorderWidth(3);
+const int gnBorderHeight(3);
+
+PreviewValueSet::PreviewValueSet()
+ : ValueSet(nullptr)
+ , maPreviewSize(10,10)
+{
+ SetStyle (
+ GetStyle()
+ & ~(WB_ITEMBORDER)// | WB_MENUSTYLEVALUESET)
+ // | WB_FLATVALUESET);
+ );
+}
+
+void PreviewValueSet::SetDrawingArea(weld::DrawingArea* pDrawingArea)
+{
+ ValueSet::SetDrawingArea(pDrawingArea);
+
+ SetColCount(2);
+ SetExtraSpacing (2);
+}
+
+PreviewValueSet::~PreviewValueSet()
+{
+}
+
+void PreviewValueSet::SetPreviewSize (const Size& rSize)
+{
+ maPreviewSize = rSize;
+}
+
+void PreviewValueSet::SetContextMenuHandler(const Link<const Point*, void>& rLink)
+{
+ maContextMenuHandler = rLink;
+}
+
+bool PreviewValueSet::Command(const CommandEvent& rEvent)
+{
+ if (rEvent.GetCommand() != CommandEventId::ContextMenu)
+ return ValueSet::Command(rEvent);
+ maContextMenuHandler.Call(rEvent.IsMouseEvent() ? &rEvent.GetMousePosPixel() : nullptr);
+ return true;
+}
+
+void PreviewValueSet::Resize()
+{
+ ValueSet::Resize();
+
+ Size aWindowSize (GetOutputSizePixel());
+ if (!aWindowSize.IsEmpty())
+ {
+ Rearrange();
+ }
+}
+
+void PreviewValueSet::Rearrange()
+{
+ sal_uInt16 nNewColumnCount (CalculateColumnCount (
+ GetOutputSizePixel().Width()));
+ sal_uInt16 nNewRowCount (CalculateRowCount (nNewColumnCount));
+
+ SetFormat();
+ SetColCount(nNewColumnCount);
+ SetLineCount(nNewRowCount);
+}
+
+sal_uInt16 PreviewValueSet::CalculateColumnCount (int nWidth) const
+{
+ int nColumnCount = 0;
+ if (nWidth > 0)
+ {
+ nColumnCount = nWidth / (maPreviewSize.Width() + 2*gnBorderWidth);
+ if (nColumnCount < 1)
+ nColumnCount = 1;
+ }
+ return static_cast<sal_uInt16>(nColumnCount);
+}
+
+sal_uInt16 PreviewValueSet::CalculateRowCount (sal_uInt16 nColumnCount) const
+{
+ int nRowCount = 0;
+ int nItemCount = GetItemCount();
+ if (nColumnCount > 0)
+ {
+ nRowCount = (nItemCount+nColumnCount-1) / nColumnCount;
+ if (nRowCount < 1)
+ nRowCount = 1;
+ }
+
+ return static_cast<sal_uInt16>(nRowCount);
+}
+
+sal_Int32 PreviewValueSet::GetPreferredHeight (sal_Int32 nWidth)
+{
+ int nRowCount (CalculateRowCount(CalculateColumnCount(nWidth)));
+ int nItemHeight (maPreviewSize.Height());
+
+ return nRowCount * (nItemHeight + 2*gnBorderHeight);
+}
+
+} // end of namespace sd::sidebar
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */