Adding upstream version 4:24.2.0.upstream/4%24.2.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 330 insertions, 0 deletions

diff --git a/vcl/source/treelist/iconview.cxx b/vcl/source/treelist/iconview.cxx
new file mode 100644
index 0000000000..e80a29b0bc
--- /dev/null
+++ b/vcl/source/treelist/iconview.cxx
@@ -0,0 +1,330 @@
+/* -*- 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/filter/PngImageWriter.hxx>
+#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>
+#include <comphelper/propertyvalue.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);
+        }
+
+        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::XVclWindowPeer> 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 OString extractPngString(const SvLBoxContextBmp* pBmpItem)
+{
+    BitmapEx aImage = pBmpItem->GetBitmap1().GetBitmapEx();
+    SvMemoryStream aOStm(65535, 65535);
+    // Use fastest compression "1"
+    css::uno::Sequence<css::beans::PropertyValue> aFilterData{
+        comphelper::makePropertyValue("Compression", sal_Int32(1)),
+    };
+    vcl::PngImageWriter aPNGWriter(aOStm);
+    aPNGWriter.setParameters(aFilterData);
+    if (aPNGWriter.write(aImage))
+    {
+        css::uno::Sequence<sal_Int8> aSeq(static_cast<sal_Int8 const*>(aOStm.GetData()),
+                                          aOStm.Tell());
+        OStringBuffer aBuffer("data:image/png;base64,");
+        ::comphelper::Base64::encode(aBuffer, aSeq);
+        return aBuffer.makeStringAndClear();
+    }
+
+    return ""_ostr;
+}
+
+void IconView::DumpEntryAndSiblings(tools::JsonWriter& rJsonWriter, SvTreeListEntry* pEntry)
+{
+    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());
+
+        const bool bHandled
+            = maDumpElemToPropertyTreeHdl.IsSet()
+              && maDumpElemToPropertyTreeHdl.Call(json_prop_query(rJsonWriter, pEntry, "image"));
+        if (!bHandled)
+        {
+            pIt = pEntry->GetFirstItem(SvLBoxItemType::ContextBmp);
+            if (pIt)
+            {
+                const SvLBoxContextBmp* pBmpItem = static_cast<const SvLBoxContextBmp*>(pIt);
+                if (pBmpItem)
+                    rJsonWriter.put("image", extractPngString(pBmpItem));
+            }
+        }
+
+        if (const OUString tooltip = GetEntryTooltip(pEntry); !tooltip.isEmpty())
+            rJsonWriter.put("tooltip", tooltip);
+
+        if (IsSelected(pEntry))
+            rJsonWriter.put("selected", true);
+
+        if (pEntry->GetFlags() & SvTLEntryFlags::IS_SEPARATOR)
+            rJsonWriter.put("separator", true);
+
+        rJsonWriter.put("row", GetModel()->GetAbsPos(pEntry));
+
+        pEntry = pEntry->NextSibling();
+    }
+}
+
+void IconView::DumpAsPropertyTree(tools::JsonWriter& rJsonWriter)
+{
+    SvTreeListBox::DumpAsPropertyTree(rJsonWriter);
+    rJsonWriter.put("type", "iconview");
+    rJsonWriter.put("singleclickactivate", GetActivateOnSingleClick());
+    auto aNode = rJsonWriter.startArray("entries");
+    DumpEntryAndSiblings(rJsonWriter, First());
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */