starmath/inc/smediteng.hxx

   1 /* This file is part of the LibreOffice project.
   2  *
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   6  */
   7
   8 #pragma once
   9
  10 #include <editeng/editeng.hxx>
  11 #include <unotools/lingucfg.hxx>
  12
  13 class SmEditEngine final : public EditEngine
  14 {
  15 public:
  16     SmEditEngine(SfxItemPool* pItemPool);
  17     SmEditEngine(const SmEditEngine&) = delete;
  18
  19 public:
  20     /**
  21       * Runs checkZoom and if true runs updateZoom
  22       */
  23     void executeZoom(EditView* pEditView = nullptr);
  24
  25     /**
  26       * Sets up default font parameters for the item pool.
  27       */
  28     static void setSmItemPool(SfxItemPool* mpItemPool, const SvtLinguOptions& maLangOptions);
  29
  30     // Deal with text scaling
  31 private:
  32     sal_Int32 m_nOldZoom;
  33     sal_Int32 m_nNewZoom;
  34     sal_Int32 m_nDefaultFontSize;
  35
  36     /**
  37       * Checks if the zoom of smeditwindow has changed.
  38       * m_nNewZoom is updated.
  39       * @return zoom has changed
  40       */
  41     bool checkZoom();
  42
  43     /**
  44       * Updates the zoom of smeditwindow.
  45       * m_nOldZoom is set to m_nNewZoom.
  46       */
  47
  48     void updateZoom();
  49
  50     // Gather information for more complex tasks
  51 private:
  52     ESelection m_aAllSelection;
  53
  54     /**
  55       * Finds the ESelection which contains all the text.
  56       */
  57     void updateAllESelection();
  58 };
  59 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */