From 3b84c9024b5ebef1f72b1dd1ae6ce3bd8bc8b447 Mon Sep 17 00:00:00 2001
From: Charles Lohr <cnlohr@users.sourceforge.net>
Date: Tue, 19 Apr 2005 02:14:43 +0000
Subject: [PATCH] Fix: Don't let BitmapText spill outside it's wrap area.  Is
 this a good way to do it? anyone have a better idea?

---
 stepmania/src/BitmapText.cpp          | 62 +++++++++++++++++++++++++--
 stepmania/src/BitmapText.h            |  1 +
 stepmania/src/ScreenNetSelectBase.cpp |  4 +-
 3 files changed, 61 insertions(+), 6 deletions(-)

diff --git a/stepmania/src/BitmapText.cpp b/stepmania/src/BitmapText.cpp
index 42d6545c8a..3d329d8c0d 100644
--- a/stepmania/src/BitmapText.cpp
+++ b/stepmania/src/BitmapText.cpp
@@ -409,12 +409,28 @@ void BitmapText::SetText( const CString& _sText, const CString& _sAlternateText,
 				}
 				else
 				{
-					m_wTextLines.push_back( CStringToWstring(sCurLine) );
-					sCurLine = sWord;
-					iCurLineWidth = iWidthWord;
+					AddLine( sCurLine, iCurLineWidth );
+					if ( sCurLine.length() != 0 )
+					{
+						sCurLine += " " + sWord;
+						iCurLineWidth += iWidthWord;
+					}
+					else
+					{
+						sCurLine = sWord;
+						iCurLineWidth = iWidthWord;
+					}
 				}
 			}
-			m_wTextLines.push_back( CStringToWstring(sCurLine) );
+			int LastWidth = iCurLineWidth;
+			while ( sCurLine.length() > 0 )
+			{
+				AddLine( sCurLine, iCurLineWidth );
+				if ( LastWidth < iCurLineWidth )
+					break;	//Something's wrong (infinite loop)
+				else
+					LastWidth = iCurLineWidth;
+			}
 		}
 	}
 
@@ -422,6 +438,44 @@ void BitmapText::SetText( const CString& _sText, const CString& _sAlternateText,
 	UpdateBaseZoom();
 }
 
+/* This will get called only if the sAddition is already somewhat
+   broken down into lines.  This is in place only to handle single
+   words that are too wide for the line. */
+void BitmapText::AddLine( CString &sAddition, int & iWidthPixels )
+{
+	if ( ( iWidthPixels < m_iWrapWidthPixels ) || ( sAddition.length() == 0 ) )
+	{
+		m_wTextLines.push_back( CStringToWstring( sAddition ) );
+		sAddition = "";
+		iWidthPixels = 0;
+	}
+	else
+	{
+		CString sCurrentLine;
+		int		iCurrentLineWidth;
+		for ( unsigned i = 0; i < sAddition.length(); i++ )
+		{
+			CString sCurrentChar = sAddition.substr( i, 1 );
+			int		iCurrentCharWidth = m_pFont->GetLineWidthInSourcePixels( CStringToWstring( sCurrentChar ) );
+
+			if ( iCurrentLineWidth + iCurrentCharWidth > m_iWrapWidthPixels )
+			{
+				if ( sCurrentLine.length() != 0 )
+					m_wTextLines.push_back( CStringToWstring( sCurrentLine ) );
+				sCurrentLine = sCurrentChar;
+				iCurrentLineWidth = iCurrentCharWidth;
+			}
+			else
+			{
+				sCurrentLine += sCurrentChar;
+				iCurrentLineWidth += iCurrentCharWidth;
+			}
+		}
+		sAddition = sCurrentLine;
+		iWidthPixels = iCurrentLineWidth;
+	}
+}
+
 void BitmapText::SetMaxWidth( float fMaxWidth )
 {
 	m_fMaxWidth = fMaxWidth;
diff --git a/stepmania/src/BitmapText.h b/stepmania/src/BitmapText.h
index e7a0c2f56a..e3cfe26c61 100644
--- a/stepmania/src/BitmapText.h
+++ b/stepmania/src/BitmapText.h
@@ -86,6 +86,7 @@ protected:
 	vector<RageSpriteVertex> verts;
 	vector<RageTexture *> tex;
 	
+	void AddLine( CString & sAddition, int & iWidthPixels );
 	void BuildChars();
 	void DrawChars();
 	void UpdateBaseZoom();
diff --git a/stepmania/src/ScreenNetSelectBase.cpp b/stepmania/src/ScreenNetSelectBase.cpp
index 6ef18e982a..27f5a34d61 100644
--- a/stepmania/src/ScreenNetSelectBase.cpp
+++ b/stepmania/src/ScreenNetSelectBase.cpp
@@ -79,7 +79,7 @@ void ScreenNetSelectBase::Init()
 	vector <wstring> wLines;
 	m_textOutHidden.GetLines( wLines );
 	m_actualText = "";
-	for (unsigned i = max(int(wLines.size()) - SHOW_CHAT_LINES, 0 ) ; i < wLines.size() ; ++i)
+	for (unsigned i = max(int(wLines.size()) - SHOW_CHAT_LINES + 1, 0 ) ; i < wLines.size() ; ++i)
 		m_actualText += WStringToCString( wLines[i] )+'\n';
 	m_textChatOutput.SetText( m_actualText );
 
@@ -201,7 +201,7 @@ void ScreenNetSelectBase::HandleScreenMessage( const ScreenMessage SM )
 		vector <wstring> wLines;
 		m_textOutHidden.GetLines( wLines );
 		m_actualText = "";
-		for (unsigned i = max(int(wLines.size()) - SHOW_CHAT_LINES, 0 ) ; i < wLines.size() ; ++i)
+		for (unsigned i = max(int(wLines.size()) - SHOW_CHAT_LINES + 1, 0 ) ; i < wLines.size() ; ++i)
 			m_actualText += WStringToCString( wLines[i] )+'\n';
 		m_textChatOutput.SetText( m_actualText );
 	}