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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 .
*/
#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() 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: */
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