1 files changed, 91 insertions, 0 deletions
diff --git a/vcl/source/treelist/iconviewimpl.hxx b/vcl/source/treelist/iconviewimpl.hxx
new file mode 100644
index 000000000..c265ae5a2
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+++ b/vcl/source/treelist/iconviewimpl.hxx
@@ -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 .
+ */
+
+#pragma once
+
+#include <svimpbox.hxx>
+
+class SvTreeListBox;
+class Point;
+
+class IconViewImpl : public SvImpLBox
+{
+public:
+    IconViewImpl(SvTreeListBox* pTreeListBox, SvTreeList* pTreeList, WinBits nWinStyle);
+
+    void KeyDown(bool bPageDown) override;
+
+    void KeyUp(bool bPageUp) override;
+
+    Point GetEntryPosition(const SvTreeListEntry* pEntry) const override;
+
+    SvTreeListEntry* GetClickedEntry(const Point& rPoint) const override;
+
+    bool IsEntryInView(SvTreeListEntry* pEntry) const override;
+
+    void Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect) override;
+
+    // returns 0 if position is just past the last entry
+    SvTreeListEntry* GetEntry(const Point& rPoint) const override;
+
+    void UpdateAll(bool bInvalidateCompleteView) override;
+
+    bool KeyInput(const KeyEvent&) override;
+
+    void InvalidateEntry(tools::Long nId) const override;
+
+protected:
+    tools::Long GetEntryLine(const SvTreeListEntry* pEntry) const override;
+
+    void CursorUp() override;
+    void CursorDown() override;
+    void PageDown(sal_uInt16 nDelta) override;
+    void PageUp(sal_uInt16 nDelta) override;
+
+    void SyncVerThumb() override;
+    void AdjustScrollBars(Size& rSize) override;
+
+private:
+    enum class CallbackResult
+    {
+        Continue,
+        Stop, // Stop iteration
+    };
+    struct EntryAreaInfo
+    {
+        SvTreeListEntry* entry;
+        short column;
+        tools::Rectangle area; // The area for the entry
+    };
+    using IterateEntriesFunc = std::function<CallbackResult(const EntryAreaInfo&)>;
+
+    void IterateVisibleEntryAreas(const IterateEntriesFunc& f, bool fromStartEntry = false) const;
+
+    Size GetEntrySize(const SvTreeListEntry& entry) const;
+    // Get first entry at most n rows above; nullptr if no rows above
+    SvTreeListEntry* GoToPrevRow(SvTreeListEntry* pEntry, int n) const;
+    // Get first entry at most n rows below; nullptr if no rows below
+    SvTreeListEntry* GoToNextRow(SvTreeListEntry* pEntry, int n) const;
+
+    tools::Long GetEntryRow(const SvTreeListEntry* entry) const;
+    void SetStartEntry(SvTreeListEntry* entry);
+    void ScrollTo(SvTreeListEntry* entry);
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */