Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

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

1 files changed, 247 insertions, 0 deletions

diff --git a/starmath/source/utility.cxx b/starmath/source/utility.cxx
new file mode 100644
index 000000000..e8406c103
--- /dev/null
+++ b/starmath/source/utility.cxx
@@ -0,0 +1,247 @@
+/* -*- 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 <strings.hrc>
+#include <smmod.hxx>
+#include <utility.hxx>
+#include <dialog.hxx>
+#include <view.hxx>
+
+#include <comphelper/lok.hxx>
+#include <sfx2/lokcomponenthelpers.hxx>
+
+// return pointer to active SmViewShell, if this is not possible
+// return 0 instead.
+//!! Since this method is based on the current focus it is somewhat
+//!! unreliable and may return unexpected 0 pointers!
+SmViewShell * SmGetActiveView()
+{
+    SfxViewShell *pView = SfxViewShell::Current();
+    SmViewShell* pSmView = dynamic_cast<SmViewShell*>(pView);
+    if (!pSmView && comphelper::LibreOfficeKit::isActive())
+    {
+        auto* pWindow = static_cast<SmGraphicWindow*>(LokStarMathHelper(pView).GetGraphicWindow());
+        if (pWindow)
+            pSmView = &pWindow->GetGraphicWidget().GetView();
+    }
+    return pSmView;
+}
+
+
+/**************************************************************************/
+
+void SmFontPickList::Clear()
+{
+    aFontVec.clear();
+}
+
+SmFontPickList& SmFontPickList::operator = (const SmFontPickList& rList)
+{
+    Clear();
+    nMaxItems = rList.nMaxItems;
+    aFontVec = rList.aFontVec;
+
+    return *this;
+}
+
+vcl::Font SmFontPickList::Get(sal_uInt16 nPos) const
+{
+    return nPos < aFontVec.size() ? aFontVec[nPos] : vcl::Font();
+}
+
+namespace {
+
+bool lcl_CompareItem(const vcl::Font & rFirstFont, const vcl::Font & rSecondFont)
+{
+  return rFirstFont.GetFamilyName() == rSecondFont.GetFamilyName() &&
+         rFirstFont.GetFamilyType() == rSecondFont.GetFamilyType() &&
+         rFirstFont.GetCharSet()    == rSecondFont.GetCharSet()    &&
+         rFirstFont.GetWeight()     == rSecondFont.GetWeight()     &&
+         rFirstFont.GetItalic()     == rSecondFont.GetItalic();
+}
+
+OUString lcl_GetStringItem(const vcl::Font &rFont)
+{
+    OUStringBuffer aString(rFont.GetFamilyName());
+
+    if (IsItalic( rFont ))
+    {
+        aString.append(", ");
+        aString.append(SmResId(RID_FONTITALIC));
+    }
+    if (IsBold( rFont ))
+    {
+        aString.append(", ");
+        aString.append(SmResId(RID_FONTBOLD));
+    }
+
+    return aString.makeStringAndClear();
+}
+
+}
+
+void SmFontPickList::Insert(const vcl::Font &rFont)
+{
+    for (size_t nPos = 0; nPos < aFontVec.size(); nPos++)
+        if (lcl_CompareItem( aFontVec[nPos], rFont))
+        {
+            aFontVec.erase( aFontVec.begin() + nPos );
+            break;
+        }
+
+    aFontVec.push_front( rFont );
+
+    if (aFontVec.size() > nMaxItems)
+    {
+        aFontVec.pop_back();
+    }
+}
+
+void SmFontPickList::ReadFrom(const SmFontDialog& rDialog)
+{
+    Insert(rDialog.GetFont());
+}
+
+void SmFontPickList::WriteTo(SmFontDialog& rDialog) const
+{
+    rDialog.SetFont(Get());
+}
+
+
+/**************************************************************************/
+
+SmFontPickListBox::SmFontPickListBox(std::unique_ptr<weld::ComboBox> pWidget)
+    : SmFontPickList(4)
+    , m_xWidget(std::move(pWidget))
+{
+    m_xWidget->connect_changed(LINK(this, SmFontPickListBox, SelectHdl));
+}
+
+IMPL_LINK_NOARG(SmFontPickListBox, SelectHdl, weld::ComboBox&, void)
+{
+    const int nPos = m_xWidget->get_active();
+    if (nPos != 0)
+    {
+        SmFontPickList::Insert(Get(nPos));
+        OUString aString = m_xWidget->get_text(nPos);
+        m_xWidget->remove(nPos);
+        m_xWidget->insert_text(0, aString);
+    }
+
+    m_xWidget->set_active(0);
+}
+
+SmFontPickListBox& SmFontPickListBox::operator=(const SmFontPickList& rList)
+{
+    *static_cast<SmFontPickList *>(this) = rList;
+
+    for (decltype(aFontVec)::size_type nPos = 0; nPos < aFontVec.size(); nPos++)
+        m_xWidget->insert_text(nPos, lcl_GetStringItem(aFontVec[nPos]));
+
+    if (!aFontVec.empty())
+        m_xWidget->set_active_text(lcl_GetStringItem(aFontVec.front()));
+
+    return *this;
+}
+
+void SmFontPickListBox::Insert(const vcl::Font &rFont)
+{
+    SmFontPickList::Insert(rFont);
+
+    OUString aEntry(lcl_GetStringItem(aFontVec.front()));
+    int nPos = m_xWidget->find_text(aEntry);
+    if (nPos != -1)
+        m_xWidget->remove(nPos);
+    m_xWidget->insert_text(0, aEntry);
+    m_xWidget->set_active(0);
+
+    while (m_xWidget->get_count() > nMaxItems)
+        m_xWidget->remove(m_xWidget->get_count() - 1);
+}
+
+bool IsItalic( const vcl::Font &rFont )
+{
+    FontItalic eItalic = rFont.GetItalic();
+    // the code below leaves only _NONE and _DONTKNOW as not italic
+    return eItalic == ITALIC_OBLIQUE  ||  eItalic == ITALIC_NORMAL;
+}
+
+
+bool IsBold( const vcl::Font &rFont )
+{
+    FontWeight eWeight = rFont.GetWeight();
+    return eWeight > WEIGHT_NORMAL;
+}
+
+
+void SmFace::Impl_Init()
+{
+    SetSize( GetFontSize() );
+    SetTransparent( true );
+    SetAlignment( ALIGN_BASELINE );
+    SetColor( COL_AUTO );
+}
+
+void SmFace::SetSize(const Size& rSize)
+{
+    Size  aSize (rSize);
+
+    // check the requested size against minimum value
+    static int const    nMinVal = SmPtsTo100th_mm(2);
+
+    if (aSize.Height() < nMinVal)
+        aSize.setHeight( nMinVal );
+
+    //! we don't force a maximum value here because this may prevent eg the
+    //! parentheses in "left ( ... right )" from matching up with large
+    //! bodies (eg stack{...} with many entries).
+    //! Of course this is holds only if characters are used and not polygons.
+
+    Font::SetFontSize(aSize);
+}
+
+
+tools::Long SmFace::GetBorderWidth() const
+{
+    if (nBorderWidth < 0)
+        return GetDefaultBorderWidth();
+    else
+        return nBorderWidth;
+}
+
+SmFace & SmFace::operator = (const SmFace &rFace)
+{
+    Font::operator = (rFace);
+    nBorderWidth = -1;
+    return *this;
+}
+
+
+SmFace & operator *= (SmFace &rFace, const Fraction &rFrac)
+    // scales the width and height of 'rFace' by 'rFrac' and returns a
+    // reference to 'rFace'.
+    // It's main use is to make scaling fonts look easier.
+{   const Size &rFaceSize = rFace.GetFontSize();
+
+    rFace.SetSize(Size(tools::Long(rFaceSize.Width() * rFrac),
+                       tools::Long(rFaceSize.Height() * rFrac)));
+    return rFace;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */