From b12f75cfdc3414fc4a64e5afbff9326819f15658 Mon Sep 17 00:00:00 2001
From: Stefano Ceccherini <stefano.ceccherini@gmail.com>
Date: Mon, 28 Aug 2006 10:06:18 +0000
Subject: [PATCH] More changes to StyleBuffer. Now BTextView::AutoResize() has
 a minimum size of 3 pixels. To be verified, but seems to work better.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@18657 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/kits/interface/BTextView/StyleBuffer.cpp | 25 ++++++++++----------
 src/kits/interface/BTextView/StyleBuffer.h   |  6 ++---
 src/kits/interface/BTextView/TextView.cpp    |  4 +++-
 3 files changed, 18 insertions(+), 17 deletions(-)

diff --git a/src/kits/interface/BTextView/StyleBuffer.cpp b/src/kits/interface/BTextView/StyleBuffer.cpp
index e54879e8f5..f0c58dd253 100644
--- a/src/kits/interface/BTextView/StyleBuffer.cpp
+++ b/src/kits/interface/BTextView/StyleBuffer.cpp
@@ -85,8 +85,7 @@ _BStyleRecordBuffer_::_BStyleRecordBuffer_()
 
 
 int32
-_BStyleRecordBuffer_::InsertRecord(const BFont *inFont,
-	const rgb_color *inColor)
+_BStyleRecordBuffer_::InsertRecord(const BFont *inFont, const rgb_color *inColor)
 {
 	int32 index = 0;
 	
@@ -111,14 +110,14 @@ _BStyleRecordBuffer_::InsertRecord(const BFont *inFont,
 	}
 	
 	// no unused space, expand the buffer
-	index = fItemCount;
-	STEStyleRecord 	newRecord;
-	newRecord.refs = 0;
-	newRecord.ascent = fh.ascent;
-	newRecord.descent = fh.descent + fh.leading;
-	newRecord.style.font = *inFont;
-	newRecord.style.color = *inColor;
-	InsertItemsAt(1, index, &newRecord);
+	const STEStyle style = { *inFont, *inColor };
+	const STEStyleRecord newRecord = { 
+		0,
+		fh.ascent,
+		fh.descent + fh.leading,
+		style
+	};
+	InsertItemsAt(1, fItemCount, &newRecord);
 
 	return index;
 }
@@ -176,8 +175,9 @@ SetStyleFromMode(uint32 mode, const BFont *fromFont, BFont *toFont,
 
 
 _BStyleBuffer_::_BStyleBuffer_(const BFont *inFont, const rgb_color *inColor)
+	:
+	fValidNullStyle(true)
 {
-	fValidNullStyle = true;
 	fNullStyle.font = *inFont;
 	fNullStyle.color = *inColor;
 }
@@ -227,8 +227,7 @@ _BStyleBuffer_::SetNullStyle(uint32 inMode, const BFont *inFont,
 
 
 void
-_BStyleBuffer_::GetNullStyle(const BFont **font,
-	const rgb_color **color) const
+_BStyleBuffer_::GetNullStyle(const BFont **font, const rgb_color **color) const
 {
 	if (font)
 		*font = &fNullStyle.font;
diff --git a/src/kits/interface/BTextView/StyleBuffer.h b/src/kits/interface/BTextView/StyleBuffer.h
index c6125b588d..8d762e41aa 100644
--- a/src/kits/interface/BTextView/StyleBuffer.h
+++ b/src/kits/interface/BTextView/StyleBuffer.h
@@ -138,9 +138,9 @@ class _BStyleBuffer_ {
 		const _BStyleRunDescBuffer_& RunBuffer() const;
 		const _BStyleRecordBuffer_& RecordBuffer() const;
 
-	protected:
-		_BStyleRunDescBuffer_ fStyleRunDesc;
-		_BStyleRecordBuffer_ fStyleRecord;
+	private:
+		_BStyleRunDescBuffer_	fStyleRunDesc;
+		_BStyleRecordBuffer_	fStyleRecord;
 		bool			fValidNullStyle;
 		STEStyle		fNullStyle;
 };
diff --git a/src/kits/interface/BTextView/TextView.cpp b/src/kits/interface/BTextView/TextView.cpp
index 3d494b6d59..438c7a1266 100644
--- a/src/kits/interface/BTextView/TextView.cpp
+++ b/src/kits/interface/BTextView/TextView.cpp
@@ -4020,7 +4020,9 @@ BTextView::AutoResize(bool redraw)
 		float newWidth = 0;
 		for (int32 i = 0; i < CountLines(); i++)
 			newWidth += LineWidth(i);
-			
+		
+		if (newWidth < 3)
+			newWidth = 3;
 		BRect newRect(0, 0, ceilf(newWidth) + 1, ceilf(TextHeight(0, 0)) + 1);
 		
 		if (fContainerView != NULL) {