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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /starmath/source/utility.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'starmath/source/utility.cxx')
-rw-r--r--starmath/source/utility.cxx247
1 files changed, 247 insertions, 0 deletions
diff --git a/starmath/source/utility.cxx b/starmath/source/utility.cxx
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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 <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: */