starmath/inc/utility.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <sal/config.h>
  23 #include "smdllapi.hxx"
  24
  25 #include <comphelper/lok.hxx>
  26 #include <o3tl/unit_conversion.hxx>
  27 #include <sal/log.hxx>
  28 #include <vcl/font.hxx>
  29 #include <vcl/weld.hxx>
  30 #include <tools/fract.hxx>
  31 #include <tools/mapunit.hxx>
  32 #include <deque>
  33
  34
  35 class SmViewShell;
  36 SmViewShell * SmGetActiveView();
  37
  38
  39 // SmFace
  40
  41
  42 bool    IsItalic( const vcl::Font &rFont );
  43 bool    IsBold( const vcl::Font &rFont );
  44
  45 class SM_DLLPUBLIC SmFace final : public vcl::Font
  46 {
  47     tools::Long    nBorderWidth;
  48
  49     void    Impl_Init();
  50
  51 public:
  52     SmFace() :
  53         Font(), nBorderWidth(-1) { Impl_Init(); }
  54     SmFace(const Font& rFont) :
  55         Font(rFont), nBorderWidth(-1) { Impl_Init(); }
  56     SmFace(const OUString& rName, const Size& rSize) :
  57         Font(rName, rSize), nBorderWidth(-1) { Impl_Init(); }
  58
  59     SmFace(const SmFace &rFace) :
  60         Font(rFace), nBorderWidth(-1) { Impl_Init(); }
  61
  62     // overloaded version in order to supply a min value
  63     // for font size (height). (Also used in ctor's to do so.)
  64     void    SetSize(const Size& rSize);
  65
  66     void    SetBorderWidth(tools::Long nWidth)     { nBorderWidth = nWidth; }
  67     tools::Long    GetBorderWidth() const;
  68     tools::Long    GetDefaultBorderWidth() const   { return GetFontSize().Height() / 20 ; }
  69     void    FreezeBorderWidth()     { nBorderWidth = GetDefaultBorderWidth(); }
  70
  71     SmFace & operator = (const SmFace &rFace);
  72 };
  73
  74 SmFace & operator *= (SmFace &rFace, const Fraction &rFrac);
  75
  76
  77 // SmFontPickList
  78
  79
  80 class SmFontDialog;
  81
  82 class SmFontPickList
  83 {
  84 protected:
  85     sal_uInt16 nMaxItems;
  86     std::deque<vcl::Font> aFontVec;
  87
  88 public:
  89     explicit SmFontPickList(sal_uInt16 nMax = 5) : nMaxItems(nMax) {}
  90     virtual ~SmFontPickList() { Clear(); }
  91
  92     virtual void    Insert(const vcl::Font &rFont);
  93
  94     void            Clear();
  95     vcl::Font       Get(sal_uInt16 nPos = 0) const;
  96
  97     SmFontPickList& operator = (const SmFontPickList& rList);
  98
  99     void            ReadFrom(const SmFontDialog& rDialog);
 100     void            WriteTo(SmFontDialog& rDialog) const;
 101 };
 102
 103
 104 //  SmFontPickListBox
 105
 106
 107 class SmFontPickListBox final : public SmFontPickList
 108 {
 109 private:
 110     std::unique_ptr<weld::ComboBox> m_xWidget;
 111
 112     DECL_LINK(SelectHdl, weld::ComboBox&, void);
 113
 114 public:
 115     SmFontPickListBox(std::unique_ptr<weld::ComboBox> pWidget);
 116     SmFontPickListBox& operator = (const SmFontPickList& rList);
 117     virtual void    Insert(const vcl::Font &rFont) override;
 118 };
 119
 120 // Math uses 100ths of MM by default, but lok needs twips everywhere
 121 inline MapUnit SmMapUnit()
 122 {
 123     return comphelper::LibreOfficeKit::isActive() ? MapUnit::MapTwip : MapUnit::Map100thMM;
 124 }
 125 inline o3tl::Length SmO3tlLengthUnit()
 126 {
 127     return comphelper::LibreOfficeKit::isActive() ? o3tl::Length::twip : o3tl::Length::mm100;
 128 }
 129
 130 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */