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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/image.hxx>
#include "taskpane/TaskPaneTreeNode.hxx"
namespace sd { namespace toolpanel { namespace controls {
PreviewValueSet::PreviewValueSet (TreeNode* pParent)
: ValueSet (pParent->GetWindow(), WB_TABSTOP),
mpParent(pParent),
maPreviewSize(10,10),
mnBorderWidth(3),
mnBorderHeight(3),
mnMaxColumnCount(-1)
{
SetStyle (
GetStyle()
& ~(WB_ITEMBORDER)// | WB_MENUSTYLEVALUESET)
// | WB_FLATVALUESET);
);
SetColCount(2);
// SetLineCount(1);
SetExtraSpacing (2);
}
PreviewValueSet::~PreviewValueSet (void)
{
}
void PreviewValueSet::SetPreviewSize (const Size& rSize)
{
maPreviewSize = rSize;
}
void PreviewValueSet::SetRightMouseClickHandler (const Link& rLink)
{
maRightMouseClickHandler = rLink;
}
void PreviewValueSet::MouseButtonDown (const MouseEvent& rEvent)
{
if (rEvent.IsRight())
maRightMouseClickHandler.Call(reinterpret_cast<void*>(
&const_cast<MouseEvent&>(rEvent)));
else
ValueSet::MouseButtonDown (rEvent);
}
void PreviewValueSet::Paint (const Rectangle& rRect)
{
SetBackground (GetSettings().GetStyleSettings().GetWindowColor());
ValueSet::Paint (rRect);
SetBackground (Wallpaper());
}
void PreviewValueSet::Resize (void)
{
ValueSet::Resize ();
Size aWindowSize (GetOutputSizePixel());
if (aWindowSize.Width()>0 && aWindowSize.Height()>0)
{
Rearrange();
}
}
void PreviewValueSet::Command (const CommandEvent& rEvent)
{
switch (rEvent.GetCommand())
{
case COMMAND_CONTEXTMENU:
{
CommandEvent aNonConstEventCopy (rEvent);
maContextMenuCallback.Call(&aNonConstEventCopy);
}
break;
default:
ValueSet::Command(rEvent);
break;
}
}
void PreviewValueSet::Rearrange (bool bForceRequestResize)
{
sal_uInt16 nOldColumnCount (GetColCount());
sal_uInt16 nOldRowCount (GetLineCount());
sal_uInt16 nNewColumnCount (CalculateColumnCount (
GetOutputSizePixel().Width()));
sal_uInt16 nNewRowCount (CalculateRowCount (nNewColumnCount));
SetColCount(nNewColumnCount);
SetLineCount(nNewRowCount);
if (bForceRequestResize
|| nOldColumnCount != nNewColumnCount
|| nOldRowCount != nNewRowCount)
mpParent->RequestResize();
}
void PreviewValueSet::SetContextMenuCallback (const Link& rLink)
{
maContextMenuCallback = rLink;
}
sal_uInt16 PreviewValueSet::CalculateColumnCount (int nWidth) const
{
int nColumnCount = 0;
if (nWidth > 0)
{
nColumnCount = nWidth / (maPreviewSize.Width() + 2*mnBorderWidth);
if (nColumnCount < 1)
nColumnCount = 1;
else if (mnMaxColumnCount>0 && nColumnCount>mnMaxColumnCount)
nColumnCount = mnMaxColumnCount;
}
return (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 (sal_uInt16)nRowCount;
}
sal_Int32 PreviewValueSet::GetPreferredWidth (sal_Int32 nHeight)
{
int nPreferredWidth (maPreviewSize.Width() + 2*mnBorderWidth);
// Get height of each row.
int nItemHeight (maPreviewSize.Height() + 2*mnBorderHeight);
// Calculate the row- and column count and from the later the preferred
// width.
int nRowCount = nHeight / nItemHeight;
if (nRowCount > 0)
{
int nColumnCount = (GetItemCount()+nRowCount-1) / nRowCount;
if (nColumnCount > 0)
nPreferredWidth = (maPreviewSize.Width() + 2*mnBorderWidth)
* nColumnCount;
}
return nPreferredWidth;
}
sal_Int32 PreviewValueSet::GetPreferredHeight (sal_Int32 nWidth)
{
int nRowCount (CalculateRowCount(CalculateColumnCount(nWidth)));
int nItemHeight (maPreviewSize.Height());
return nRowCount * (nItemHeight + 2*mnBorderHeight);
}
} } } // end of namespace ::sd::toolpanel::controls
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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