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Diffstat (limited to 'vcl/source/treelist/iconview.cxx')
| -rw-r--r-- | vcl/source/treelist/iconview.cxx | 315 |
1 files changed, 315 insertions, 0 deletions
diff --git a/vcl/source/treelist/iconview.cxx b/vcl/source/treelist/iconview.cxx new file mode 100644 index 000000000..7814810cb --- /dev/null +++ b/vcl/source/treelist/iconview.cxx @@ -0,0 +1,315 @@ +/* -*- 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: */ |