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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 <vcl/toolkit/treelistentry.hxx>
+#include <vcl/toolkit/viewdataentry.hxx>
+#include <iconview.hxx>
+#include "iconviewimpl.hxx"
+#include <vcl/accessiblefactory.hxx>
+#include <vcl/uitest/uiobject.hxx>
+#include <tools/json_writer.hxx>
+#include <vcl/toolkit/svlbitm.hxx>
+#include <tools/stream.hxx>
+#include <vcl/cvtgrf.hxx>
+#include <comphelper/base64.hxx>
+
+namespace
+{
+const int separatorHeight = 10;
+const int nSpacing = 5; // 5 pixels from top, from bottom, between icon and label
+}
+
+IconView::IconView(vcl::Window* pParent, WinBits nBits)
+ : SvTreeListBox(pParent, nBits)
+{
+ nColumns = 1;
+ mbCenterAndClipText = true;
+ SetEntryWidth(100);
+
+ pImpl.reset(new IconViewImpl(this, GetModel(), GetStyle()));
+}
+
+Size IconView::GetEntrySize(const SvTreeListEntry& entry) const
+{
+ if (entry.GetFlags() & SvTLEntryFlags::IS_SEPARATOR)
+ return { GetEntryWidth() * GetColumnsCount(), separatorHeight };
+ return { GetEntryWidth(), GetEntryHeight() };
+}
+
+void IconView::CalcEntryHeight(SvTreeListEntry const* pEntry)
+{
+ int nHeight = nSpacing * 2;
+ SvViewDataEntry* pViewData = GetViewDataEntry(pEntry);
+ const size_t nCount = pEntry->ItemCount();
+ bool bHasIcon = false;
+ for (size_t nCur = 0; nCur < nCount; ++nCur)
+ {
+ nHeight += SvLBoxItem::GetHeight(pViewData, nCur);
+
+ if (!bHasIcon && pEntry->GetItem(nCur).GetType() == SvLBoxItemType::ContextBmp)
+ bHasIcon = true;
+ }
+
+ if (bHasIcon && nCount > 1)
+ nHeight += nSpacing; // between icon and label
+
+ if (nHeight > nEntryHeight)
+ {
+ nEntryHeight = nHeight;
+ Control::SetFont(GetFont());
+ pImpl->SetEntryHeight();
+ }
+}
+
+void IconView::Resize()
+{
+ Size aBoxSize = Control::GetOutputSizePixel();
+
+ if (!aBoxSize.Width())
+ return;
+
+ nColumns = nEntryWidth ? aBoxSize.Width() / nEntryWidth : 1;
+
+ SvTreeListBox::Resize();
+}
+
+tools::Rectangle IconView::GetFocusRect(const SvTreeListEntry* pEntry, tools::Long)
+{
+ return { GetEntryPosition(pEntry), GetEntrySize(*pEntry) };
+}
+
+void IconView::PaintEntry(SvTreeListEntry& rEntry, tools::Long nX, tools::Long nY,
+ vcl::RenderContext& rRenderContext)
+{
+ pImpl->UpdateContextBmpWidthMax(&rEntry);
+
+ const Size entrySize = GetEntrySize(rEntry);
+ short nTempEntryHeight = entrySize.Height();
+ short nTempEntryWidth = entrySize.Width();
+
+ Point aEntryPos(nX, nY);
+
+ const Color aBackupTextColor(rRenderContext.GetTextColor());
+ const vcl::Font aBackupFont(rRenderContext.GetFont());
+ const Color aBackupColor = rRenderContext.GetFillColor();
+
+ const StyleSettings& rSettings = rRenderContext.GetSettings().GetStyleSettings();
+
+ const Size aOutputSize = GetOutputSizePixel();
+ if (aOutputSize.getHeight() < nTempEntryHeight)
+ nTempEntryHeight = aOutputSize.getHeight();
+
+ const SvViewDataEntry* pViewDataEntry = GetViewDataEntry(&rEntry);
+
+ bool bCurFontIsSel = false;
+ if (pViewDataEntry->IsHighlighted())
+ {
+ vcl::Font aHighlightFont(rRenderContext.GetFont());
+ const Color aHighlightTextColor(rSettings.GetHighlightTextColor());
+ aHighlightFont.SetColor(aHighlightTextColor);
+
+ // set font color to highlight
+ rRenderContext.SetTextColor(aHighlightTextColor);
+ rRenderContext.SetFont(aHighlightFont);
+ bCurFontIsSel = true;
+ }
+
+ bool bFillColorSet = false;
+ // draw background
+ if (!(nTreeFlags & SvTreeFlags::USESEL))
+ {
+ // set background pattern/color
+ Wallpaper aWallpaper = rRenderContext.GetBackground();
+
+ if (pViewDataEntry->IsHighlighted())
+ {
+ Color aNewWallColor = rSettings.GetHighlightColor();
+ // if the face color is bright then the deactivate color is also bright
+ // -> so you can't see any deactivate selection
+ const WinBits nWindowStyle = GetStyle();
+ const bool bHideSelection = (nWindowStyle & WB_HIDESELECTION) != 0 && !HasFocus();
+ if (bHideSelection && !rSettings.GetFaceColor().IsBright()
+ && aWallpaper.GetColor().IsBright() != rSettings.GetDeactiveColor().IsBright())
+ {
+ aNewWallColor = rSettings.GetDeactiveColor();
+ }
+ aWallpaper.SetColor(aNewWallColor);
+ }
+ else // no selection
+ {
+ aWallpaper.SetColor(rEntry.GetBackColor());
+ }
+
+ Color aBackgroundColor = aWallpaper.GetColor();
+ if (aBackgroundColor != COL_TRANSPARENT)
+ {
+ rRenderContext.SetFillColor(aBackgroundColor);
+ bFillColorSet = true;
+ // this case may occur for smaller horizontal resizes
+ if (nTempEntryWidth > 1)
+ rRenderContext.DrawRect({ aEntryPos, Size(nTempEntryWidth, nTempEntryHeight) });
+ }
+ }
+
+ const size_t nItemCount = rEntry.ItemCount();
+ size_t nIconItem = nItemCount;
+
+ int nLabelHeight = 0;
+ std::vector<size_t> aTextItems;
+
+ for (size_t nCurItem = 0; nCurItem < nItemCount; ++nCurItem)
+ {
+ SvLBoxItem& rItem = rEntry.GetItem(nCurItem);
+ SvLBoxItemType nItemType = rItem.GetType();
+
+ if (nItemType == SvLBoxItemType::ContextBmp)
+ {
+ nIconItem = nCurItem;
+ continue;
+ }
+
+ aTextItems.push_back(nCurItem);
+ auto nItemHeight = SvLBoxItem::GetHeight(pViewDataEntry, nCurItem);
+ nLabelHeight += nItemHeight;
+ }
+
+ int nLabelYPos = nY + nTempEntryHeight - nLabelHeight - nSpacing; // padding from bottom
+ for (auto nCurItem : aTextItems)
+ {
+ aEntryPos.setY(nLabelYPos);
+
+ auto nItemHeight = SvLBoxItem::GetHeight(pViewDataEntry, nCurItem);
+ nLabelYPos += nItemHeight;
+
+ rEntry.GetItem(nCurItem).Paint(aEntryPos, *this, rRenderContext, pViewDataEntry, rEntry);
+ }
+
+ if (bFillColorSet)
+ rRenderContext.SetFillColor(aBackupColor);
+
+ // draw icon
+ if (nIconItem < nItemCount)
+ {
+ SvLBoxItem& rItem = rEntry.GetItem(nIconItem);
+ auto nItemWidth = rItem.GetWidth(this, pViewDataEntry, nIconItem);
+ auto nItemHeight = SvLBoxItem::GetHeight(pViewDataEntry, nIconItem);
+
+ aEntryPos.setY(nY);
+
+ // center horizontally
+ aEntryPos.AdjustX((nTempEntryWidth - nItemWidth) / 2);
+ // center vertically
+ int nImageAreaHeight = nTempEntryHeight - nSpacing * 2; // spacings from top, from bottom
+ if (nLabelHeight > 0)
+ {
+ nImageAreaHeight -= nLabelHeight + nSpacing; // spacing between icon and label
+ }
+ aEntryPos.AdjustY((nImageAreaHeight - nItemHeight) / 2 + nSpacing);
+
+ rItem.Paint(aEntryPos, *this, rRenderContext, pViewDataEntry, rEntry);
+ }
+
+ if (bCurFontIsSel)
+ {
+ rRenderContext.SetTextColor(aBackupTextColor);
+ rRenderContext.SetFont(aBackupFont);
+ }
+}
+
+css::uno::Reference<css::accessibility::XAccessible> IconView::CreateAccessible()
+{
+ if (vcl::Window* pParent = GetAccessibleParentWindow())
+ {
+ if (auto xAccParent = pParent->GetAccessible())
+ {
+ // need to be done here to get the vclxwindow later on in the accessible
+ css::uno::Reference<css::awt::XWindowPeer> xHoldAlive(GetComponentInterface());
+ return pImpl->m_aFactoryAccess.getFactory().createAccessibleIconView(*this, xAccParent);
+ }
+ }
+ return {};
+}
+
+OUString IconView::GetEntryAccessibleDescription(SvTreeListEntry* pEntry) const
+{
+ assert(pEntry);
+
+ if (maEntryAccessibleDescriptionHdl.IsSet())
+ return maEntryAccessibleDescriptionHdl.Call(pEntry);
+
+ return SvTreeListBox::GetEntryAccessibleDescription(pEntry);
+}
+
+FactoryFunction IconView::GetUITestFactory() const { return IconViewUIObject::create; }
+
+static OUString extractPngString(const SvLBoxContextBmp* pBmpItem)
+{
+ BitmapEx aImage = pBmpItem->GetBitmap1().GetBitmapEx();
+ SvMemoryStream aOStm(65535, 65535);
+ if (GraphicConverter::Export(aOStm, aImage, ConvertDataFormat::PNG) == ERRCODE_NONE)
+ {
+ css::uno::Sequence<sal_Int8> aSeq(static_cast<sal_Int8 const*>(aOStm.GetData()),
+ aOStm.Tell());
+ OUStringBuffer aBuffer("data:image/png;base64,");
+ ::comphelper::Base64::encode(aBuffer, aSeq);
+ return aBuffer.makeStringAndClear();
+ }
+
+ return "";
+}
+
+static void lcl_DumpEntryAndSiblings(tools::JsonWriter& rJsonWriter, SvTreeListEntry* pEntry,
+ const SvTreeListBox* pTabListBox)
+{
+ while (pEntry)
+ {
+ auto aNode = rJsonWriter.startStruct();
+
+ // simple listbox value
+ const SvLBoxItem* pIt = pEntry->GetFirstItem(SvLBoxItemType::String);
+ if (pIt)
+ rJsonWriter.put("text", static_cast<const SvLBoxString*>(pIt)->GetText());
+
+ pIt = pEntry->GetFirstItem(SvLBoxItemType::ContextBmp);
+ if (pIt)
+ {
+ const SvLBoxContextBmp* pBmpItem = static_cast<const SvLBoxContextBmp*>(pIt);
+ if (pBmpItem)
+ rJsonWriter.put("image", extractPngString(pBmpItem));
+ }
+
+ if (pTabListBox->IsSelected(pEntry))
+ rJsonWriter.put("selected", "true");
+
+ rJsonWriter.put("row",
+ OString::number(pTabListBox->GetModel()->GetAbsPos(pEntry)).getStr());
+
+ pEntry = pEntry->NextSibling();
+ }
+}
+
+void IconView::DumpAsPropertyTree(tools::JsonWriter& rJsonWriter)
+{
+ SvTreeListBox::DumpAsPropertyTree(rJsonWriter);
+ rJsonWriter.put("type", "iconview");
+ auto aNode = rJsonWriter.startArray("entries");
+ lcl_DumpEntryAndSiblings(rJsonWriter, First(), this);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */