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-rw-r--r--starmath/source/smediteng.cxx158
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diff --git a/starmath/source/smediteng.cxx b/starmath/source/smediteng.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * 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/.
+ */
+#include <smediteng.hxx>
+#include <smmod.hxx>
+#include <cfgitem.hxx>
+
+#include <vcl/settings.hxx>
+#include <editeng/editview.hxx>
+#include <editeng/eeitem.hxx>
+#include <editeng/fhgtitem.hxx>
+#include <editeng/fontitem.hxx>
+#include <svl/itempool.hxx>
+#include <svl/itemset.hxx>
+#include <vcl/outdev.hxx>
+#include <vcl/svapp.hxx>
+
+SmEditEngine::SmEditEngine(SfxItemPool* pItemPool)
+ : EditEngine(pItemPool)
+ , m_nOldZoom(100)
+ , m_nNewZoom(100)
+ , m_nDefaultFontSize(0)
+ , m_aAllSelection(0, 0, 0, 0)
+{
+ SetText(u"");
+
+ // Add external text leading
+ SetAddExtLeading(true);
+
+ // Allow to undo changes ( Ctrl + z )
+ EnableUndo(true);
+
+ // Length in pixel of a tabulation
+ SetDefTab(sal_uInt16(Application::GetDefaultDevice()->GetTextWidth("XXXX")));
+
+ // Set default background color by theme
+ SetBackgroundColor(
+ Application::GetDefaultDevice()->GetSettings().GetStyleSettings().GetFieldColor());
+
+ // Control words
+ SetControlWord((GetControlWord() | EEControlBits::AUTOINDENTING)
+ & EEControlBits(~EEControlBits::UNDOATTRIBS)
+ & EEControlBits(~EEControlBits::PASTESPECIAL));
+
+ // Word delimiters for auto word selection by double click
+ SetWordDelimiters(" .=+-*/(){}[];\"");
+
+ // Default mapping mode
+ SetRefMapMode(MapMode(MapUnit::MapPixel));
+
+ // Default size of the box
+ SetPaperSize(Size(1000, 0));
+}
+
+bool SmEditEngine::checkZoom()
+{
+ return m_nOldZoom != (m_nNewZoom = SM_MOD()->GetConfig()->GetSmEditWindowZoomFactor());
+}
+
+void SmEditEngine::executeZoom(EditView* pEditView)
+{
+ if (checkZoom())
+ {
+ updateZoom();
+ if (pEditView)
+ {
+ FormatAndLayout(pEditView);
+ pEditView->SetSelection(pEditView->GetSelection());
+ }
+ }
+}
+
+void SmEditEngine::updateZoom()
+{
+ // In first run get font size as base to scale
+ if (m_nDefaultFontSize == 0)
+ {
+ SfxItemSet sfxatts = GetAttribs(0, 0, 0, GetAttribsFlags::CHARATTRIBS);
+ const SvxFontHeightItem* sfxattsh = sfxatts.GetItem(EE_CHAR_FONTHEIGHT);
+ m_nDefaultFontSize = sfxattsh->GetHeight();
+ }
+
+ // Now we calculate the new font size
+ sal_Int32 nNewFontSize = m_nDefaultFontSize * m_nNewZoom / 100;
+
+ // We apply the new font size to all the text
+ updateAllESelection(); // Update length of the text
+ SfxItemSet aSet = GetEmptyItemSet();
+ aSet.Put(SvxFontHeightItem(nNewFontSize, 100, EE_CHAR_FONTHEIGHT));
+ QuickSetAttribs(aSet, m_aAllSelection);
+
+ // We don't forget to equalize the zoomvalues
+ m_nOldZoom = m_nNewZoom;
+}
+
+void SmEditEngine::updateAllESelection()
+{
+ sal_Int32 paracount = GetParagraphCount();
+ m_aAllSelection.nEndPara = paracount > 0 ? paracount - 1 : 0;
+ sal_Int32 textlength = GetTextLen(m_aAllSelection.nEndPara);
+ m_aAllSelection.nEndPos = textlength > 0 ? textlength : 0;
+}
+
+void SmEditEngine::setSmItemPool(SfxItemPool* mpItemPool, const SvtLinguOptions& maLangOptions)
+{
+ // Set fonts to be used
+ struct FontData
+ {
+ LanguageType nFallbackLang;
+ LanguageType nLang;
+ DefaultFontType nFontType;
+ sal_uInt16 nFontInfoId;
+ };
+
+ FontData aFontDataTable[3]
+ = { // info to get western font to be used
+ { LANGUAGE_ENGLISH_US, maLangOptions.nDefaultLanguage, DefaultFontType::FIXED,
+ EE_CHAR_FONTINFO },
+ // info to get CJK font to be used
+ { LANGUAGE_JAPANESE, maLangOptions.nDefaultLanguage_CJK, DefaultFontType::CJK_TEXT,
+ EE_CHAR_FONTINFO_CJK },
+ // info to get CTL font to be used
+ { LANGUAGE_ARABIC_SAUDI_ARABIA, maLangOptions.nDefaultLanguage_CTL,
+ DefaultFontType::CTL_TEXT, EE_CHAR_FONTINFO_CTL }
+ };
+
+ // Text color
+ auto aDefaultDevice = Application::GetDefaultDevice();
+ Color aTextColor = aDefaultDevice->GetSettings().GetStyleSettings().GetFieldTextColor();
+ for (const FontData& aFontData : aFontDataTable)
+ {
+ LanguageType nLang
+ = (LANGUAGE_NONE == aFontData.nLang) ? aFontData.nFallbackLang : aFontData.nLang;
+ vcl::Font aFont = OutputDevice::GetDefaultFont(aFontData.nFontType, nLang,
+ GetDefaultFontFlags::OnlyOne);
+ aFont.SetColor(aTextColor);
+ mpItemPool->SetPoolDefaultItem(SvxFontItem(aFont.GetFamilyType(), aFont.GetFamilyName(),
+ aFont.GetStyleName(), aFont.GetPitch(),
+ aFont.GetCharSet(), aFontData.nFontInfoId));
+ }
+
+ // Set font heights
+ SvxFontHeightItem aFontHeight(
+ aDefaultDevice->LogicToPixel(Size(0, 11), MapMode(MapUnit::MapPoint)).Height(), 100,
+ EE_CHAR_FONTHEIGHT);
+ mpItemPool->SetPoolDefaultItem(aFontHeight);
+ aFontHeight.SetWhich(EE_CHAR_FONTHEIGHT_CJK);
+ mpItemPool->SetPoolDefaultItem(aFontHeight);
+ aFontHeight.SetWhich(EE_CHAR_FONTHEIGHT_CTL);
+ mpItemPool->SetPoolDefaultItem(aFontHeight);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */