From c5a604453ec71b3d2d366202ff02ec93f7ce304b Mon Sep 17 00:00:00 2001
From: MiroslavR <miroslavr256@gmail.com>
Date: Sun, 14 Dec 2014 16:25:27 +0100
Subject: [PATCH] Fix several book formatting issues (Fixes #2204)

---
 apps/openmw/mwgui/formatting.cpp | 33 ++++++++++++++++++++++++++++----
 apps/openmw/mwgui/formatting.hpp |  6 +++++-
 2 files changed, 34 insertions(+), 5 deletions(-)

diff --git a/apps/openmw/mwgui/formatting.cpp b/apps/openmw/mwgui/formatting.cpp
index c55650c45..583116003 100644
--- a/apps/openmw/mwgui/formatting.cpp
+++ b/apps/openmw/mwgui/formatting.cpp
@@ -193,6 +193,9 @@ namespace MWGui
                 MyGUI::Gui::getInstance().destroyWidget(parent->getChildAt(0));
             }
 
+            mTextStyle = TextStyle();
+            mBlockStyle = BlockStyle();
+
             MyGUI::Widget * paper = parent->createWidget<MyGUI::Widget>("Widget", MyGUI::IntCoord(0, 0, pag.getPageWidth(), pag.getPageHeight()), MyGUI::Align::Left | MyGUI::Align::Top);
             paper->setNeedMouseFocus(false);
 
@@ -207,8 +210,25 @@ namespace MWGui
                     continue;
 
                 std::string plainText = parser.getReadyText();
+
+                // for cases when linebreaks are used to cause a shift to the next page
+                // if the split text block ends in an empty line, proceeding text block(s) should have leading empty lines removed
+                if (pag.getIgnoreLeadingEmptyLines())
+                {
+                    while (!plainText.empty())
+                    {
+                        if (plainText[0] == '\n')
+                            plainText.erase(plainText.begin());
+                        else
+                        {
+                            pag.setIgnoreLeadingEmptyLines(false);
+                            break;
+                        }
+                    }
+                }
+
                 if (plainText.empty())
-                    brBeforeLastTag = false;
+                    brBeforeLastTag = true;
                 else
                 {
                     // Each block of text (between two tags / boundary and tag) will be displayed in a separate editbox widget,
@@ -252,6 +272,8 @@ namespace MWGui
                 {
                     case BookTextParser::Event_ImgTag:
                     {
+                        pag.setIgnoreLeadingEmptyLines(false);
+
                         const BookTextParser::Attributes & attr = parser.getAttributes();
 
                         if (attr.find("src") == attr.end() || attr.find("width") == attr.end() || attr.find("height") == attr.end())
@@ -331,9 +353,7 @@ namespace MWGui
             if (attr.find("face") != attr.end())
             {
                 std::string face = attr.at("face");
-
-                if (face != "Magic Cards")
-                    mTextStyle.mFont = face;
+                mTextStyle.mFont = face;
             }
             if (attr.find("size") != attr.end())
             {
@@ -408,13 +428,18 @@ namespace MWGui
             // first empty lines that would go to the next page should be ignored
             // unfortunately, getLineInfo method won't be available until 3.2.2
 #if (MYGUI_VERSION >= MYGUI_DEFINE_VERSION(3, 2, 2))
+            mPaginator.setIgnoreLeadingEmptyLines(true);
+
             const MyGUI::VectorLineInfo & lines = mEditBox->getSubWidgetText()->castType<MyGUI::EditText>()->getLineInfo();
             for (unsigned int i = lastLine; i < lines.size(); ++i)
             {
                 if (lines[i].width == 0)
                     ret += lineHeight;
                 else
+                {
+                    mPaginator.setIgnoreLeadingEmptyLines(false);
                     break;
+                }
             }
 #endif
             return ret;
diff --git a/apps/openmw/mwgui/formatting.hpp b/apps/openmw/mwgui/formatting.hpp
index 5b7925057..0d0f74b72 100644
--- a/apps/openmw/mwgui/formatting.hpp
+++ b/apps/openmw/mwgui/formatting.hpp
@@ -81,7 +81,8 @@ namespace MWGui
 
                 Paginator(int pageWidth, int pageHeight)
                     : mStartTop(0), mCurrentTop(0),
-                      mPageWidth(pageWidth), mPageHeight(pageHeight)
+                      mPageWidth(pageWidth), mPageHeight(pageHeight),
+                      mIgnoreLeadingEmptyLines(false)
                 {
                 }
 
@@ -89,10 +90,12 @@ namespace MWGui
                 int getCurrentTop() const { return mCurrentTop; }
                 int getPageWidth() const { return mPageWidth; }
                 int getPageHeight() const { return mPageHeight; }
+                bool getIgnoreLeadingEmptyLines() const { return mIgnoreLeadingEmptyLines; }
                 Pages getPages() const { return mPages; }
 
                 void setStartTop(int top) { mStartTop = top; }
                 void setCurrentTop(int top) { mCurrentTop = top; }
+                void setIgnoreLeadingEmptyLines(bool ignore) { mIgnoreLeadingEmptyLines = ignore; }
 
                 Paginator & operator<<(const Page & page)
                 {
@@ -103,6 +106,7 @@ namespace MWGui
             private:
                 int mStartTop, mCurrentTop;
                 int mPageWidth, mPageHeight;
+                bool mIgnoreLeadingEmptyLines;
                 Pages mPages;
         };