From 9c3a8cb8858199fe017d27035bb4d6809492116f Mon Sep 17 00:00:00 2001
From: ALONSO Laurent <laurent.alonso@inria.fr>
Date: Tue, 21 Sep 2021 12:46:10 +0200
Subject: iwa: try to retrieve the right-to-left properties in text's zones...

Change-Id: Ie30de95a6b9072234c6f42b1c625043e7d1e7aac
---
 src/lib/IWAParser.cpp       | 13 +++++++++++++
 src/lib/IWAText.cpp         | 21 +++++++++++++++++++++
 src/lib/IWAText.h           |  2 ++
 src/lib/IWORKProperties.cpp |  1 +
 src/lib/IWORKProperties.h   |  1 +
 src/lib/IWORKText.cpp       |  2 ++
 6 files changed, 40 insertions(+)

diff --git a/src/lib/IWAParser.cpp b/src/lib/IWAParser.cpp
index 8519856..938d761 100644
--- a/src/lib/IWAParser.cpp
+++ b/src/lib/IWAParser.cpp
@@ -934,6 +934,19 @@ bool IWAParser::parseText(const unsigned id, bool createNoteAsFootnote, const st
       }
       textParser.setLanguages(langs);
     }
+    if (get(msg).message(24))
+    {
+      map<unsigned, bool> rtls;
+      for (const auto &it : get(msg).message(24).message(1))
+      {
+        if (it.uint32(1) && (get(it.uint32(1)) < length))
+        {
+          if (it.bool_(2))
+            rtls[get(it.uint32(1))]=get(it.bool_(2));
+        }
+      }
+      textParser.setRTLs(rtls);
+    }
     if (get(msg).message(28))
     {
       map<unsigned, IWORKStylePtr_t> dropCaps;
diff --git a/src/lib/IWAText.cpp b/src/lib/IWAText.cpp
index de73e2e..28e8629 100644
--- a/src/lib/IWAText.cpp
+++ b/src/lib/IWAText.cpp
@@ -51,6 +51,7 @@ IWAText::IWAText(const std::string &text, IWORKLanguageManager &langManager)
   , m_lists()
   , m_listLevels()
   , m_dropCaps()
+  , m_rtls()
 
   , m_attachments()
 {
@@ -101,6 +102,11 @@ void IWAText::setDropCaps(const std::map<unsigned, IWORKStylePtr_t> &dropCaps)
   m_dropCaps = dropCaps;
 }
 
+void IWAText::setRTLs(const std::map<unsigned, bool> &rtls)
+{
+  m_rtls = rtls;
+}
+
 void IWAText::setAttachments(const std::multimap<unsigned, std::function<void(unsigned, bool &)> > &attachments)
 {
   m_attachments = attachments;
@@ -112,6 +118,7 @@ void IWAText::parse(IWORKText &collector, const std::function<void(unsigned, IWO
   auto sectionIt = m_sections.begin();
   map<unsigned, IWORKStylePtr_t>::const_iterator paraIt = m_paras.begin();
   map<unsigned, IWORKStylePtr_t>::const_iterator dropCapIt = m_dropCaps.begin();
+  map<unsigned, bool>::const_iterator rtlIt = m_rtls.begin();
   map<unsigned, IWORKStylePtr_t>::const_iterator spanIt = m_spans.begin();
   map<unsigned, string>::const_iterator langIt = m_langs.begin();
   map<unsigned, string>::const_iterator linkIt = m_links.begin();
@@ -128,6 +135,7 @@ void IWAText::parse(IWORKText &collector, const std::function<void(unsigned, IWO
   // at the end of the drop cap's letters
   IWORKStylePtr_t lastSpanStyle;
   boost::optional<std::size_t> endDropCapPos;
+  bool rtl=false;
 
   std::size_t pos = 0;
   librevenge::RVNGString::Iter iter(m_text);
@@ -220,6 +228,11 @@ void IWAText::parse(IWORKText &collector, const std::function<void(unsigned, IWO
       dropCapStyle=dropCapIt->second;
       ++dropCapIt;
     }
+    if ((rtlIt != m_rtls.end()) && (rtlIt->first==pos))
+    {
+      rtl=rtlIt->second;
+      ++rtlIt;
+    }
     // handle paragraph style change
     if ((paraIt != m_paras.end()) && (paraIt->first == pos))
     {
@@ -233,6 +246,14 @@ void IWAText::parse(IWORKText &collector, const std::function<void(unsigned, IWO
         }
         IWORKPropertyMap props;
         props.put<property::DropCap>(dropCap);
+        if (rtl)
+          props.put<property::WritingMode>("rl-tb");
+        collector.setParagraphStyle(std::make_shared<IWORKStyle>(props, boost::none, paraIt->second));
+      }
+      else if (rtl)
+      {
+        IWORKPropertyMap props;
+        props.put<property::WritingMode>("rl-tb");
         collector.setParagraphStyle(std::make_shared<IWORKStyle>(props, boost::none, paraIt->second));
       }
       else
diff --git a/src/lib/IWAText.h b/src/lib/IWAText.h
index 9678d3c..d01043e 100644
--- a/src/lib/IWAText.h
+++ b/src/lib/IWAText.h
@@ -42,6 +42,7 @@ public:
   void setListLevels(const std::map<unsigned, unsigned> &levels);
   void setLists(const std::map<unsigned, IWORKStylePtr_t> &lists);
   void setDropCaps(const std::map<unsigned, IWORKStylePtr_t> &dropCaps);
+  void setRTLs(const std::map<unsigned, bool> &rtls);
 
   void setAttachments(const std::multimap<unsigned, std::function<void(unsigned, bool &)> > &attachments);
 
@@ -61,6 +62,7 @@ private:
   std::map<unsigned, IWORKStylePtr_t> m_lists;
   std::map<unsigned, unsigned> m_listLevels;
   std::map<unsigned, IWORKStylePtr_t> m_dropCaps;
+  std::map<unsigned, bool> m_rtls;
 
   std::multimap<unsigned, std::function<void(unsigned, bool &)> > m_attachments;
 };
diff --git a/src/lib/IWORKProperties.cpp b/src/lib/IWORKProperties.cpp
index 6d876e9..9cb4f22 100644
--- a/src/lib/IWORKProperties.cpp
+++ b/src/lib/IWORKProperties.cpp
@@ -116,6 +116,7 @@ IWORK_IMPLEMENT_PROPERTY(Tracking);
 IWORK_IMPLEMENT_PROPERTY(Underline);
 IWORK_IMPLEMENT_PROPERTY(VerticalAlignment);
 IWORK_IMPLEMENT_PROPERTY(WidowControl);
+IWORK_IMPLEMENT_PROPERTY(WritingMode);
 
 }
 
diff --git a/src/lib/IWORKProperties.h b/src/lib/IWORKProperties.h
index 87285bd..9493343 100644
--- a/src/lib/IWORKProperties.h
+++ b/src/lib/IWORKProperties.h
@@ -123,6 +123,7 @@ IWORK_DECLARE_PROPERTY(Tracking, double);
 IWORK_DECLARE_PROPERTY(Underline, bool);
 IWORK_DECLARE_PROPERTY(VerticalAlignment, IWORKVerticalAlignment);
 IWORK_DECLARE_PROPERTY(WidowControl, bool);
+IWORK_DECLARE_PROPERTY(WritingMode, std::string);
 
 }
 
diff --git a/src/lib/IWORKText.cpp b/src/lib/IWORKText.cpp
index 6404cc1..b2d088b 100644
--- a/src/lib/IWORKText.cpp
+++ b/src/lib/IWORKText.cpp
@@ -235,6 +235,8 @@ void fillParaPropList(const IWORKStyleStack &styleStack, RVNGPropertyList &props
   props.insert("fo:widows", enableWidows ? "0" : "2");
   if (styleStack.has<Hyphenate>())
     props.insert("fo:hyphenate", styleStack.get<Hyphenate>());
+  if (styleStack.has<WritingMode>() && !styleStack.get<WritingMode>().empty())
+    props.insert("style:writing-mode", styleStack.get<WritingMode>().c_str());
 
   if (styleStack.has<Tabs>())
   {
-- 
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