From: darin <darin@268f45cc-cd09-0410-ab3c-d52691b4dbfc>
Date: Fri, 22 Apr 2005 16:29:51 +0000 (+0000)
Subject:         Reviewed by John.
X-Git-Url: https://git.webkit.org/?p=WebKit-https.git;a=commitdiff_plain;h=549618cc15a16407016869a219efa3804cb53905

    Reviewed by John.

        - a small editing-related code cleanup

        * khtml/rendering/render_text.h: Added positionForOffset and made offsetForPosition const.
        * khtml/rendering/render_text.cpp:
        (InlineTextBox::offsetForPosition): Made const.
        (InlineTextBox::positionForOffset): Added. Moved code here from caretRect.
        (RenderText::caretRect): Call positionForOffset instead of doing the work here.


git-svn-id: https://svn.webkit.org/repository/webkit/trunk@9037 268f45cc-cd09-0410-ab3c-d52691b4dbfc
---

diff --git a/WebCore/ChangeLog-2005-08-23 b/WebCore/ChangeLog-2005-08-23
index 29aa31c8c125..ebefa8317bb6 100644
--- a/WebCore/ChangeLog-2005-08-23
+++ b/WebCore/ChangeLog-2005-08-23
@@ -1,3 +1,15 @@
+2005-04-22  Darin Adler  <darin@apple.com>
+
+        Reviewed by John.
+
+        - a small editing-related code cleanup
+
+        * khtml/rendering/render_text.h: Added positionForOffset and made offsetForPosition const.
+        * khtml/rendering/render_text.cpp:
+        (InlineTextBox::offsetForPosition): Made const.
+        (InlineTextBox::positionForOffset): Added. Moved code here from caretRect.
+        (RenderText::caretRect): Call positionForOffset instead of doing the work here.
+
 2005-04-21  David Hyatt  <hyatt@apple.com>
 
 	Fix for 4095839, wrong background image used on flechtwerk.de.  Make sure that the global mapped
diff --git a/WebCore/khtml/rendering/render_text.cpp b/WebCore/khtml/rendering/render_text.cpp
index b66f61cd8c43..778e5758df1c 100644
--- a/WebCore/khtml/rendering/render_text.cpp
+++ b/WebCore/khtml/rendering/render_text.cpp
@@ -739,15 +739,32 @@ long RenderText::nextOffset (long current) const
     return current + 1;
 }
 
-#define LOCAL_WIDTH_BUF_SIZE	1024
-
-int InlineTextBox::offsetForPosition(int _x, bool includePartialGlyphs)
+int InlineTextBox::offsetForPosition(int _x, bool includePartialGlyphs) const
 {
     RenderText* text = static_cast<RenderText*>(m_object);
     const Font* f = text->htmlFont(m_firstLine);
     return f->checkSelectionPoint(text->str->s, text->str->l, m_start, m_len, m_toAdd, _x - m_x, m_reversed, includePartialGlyphs);
 }
 
+int InlineTextBox::positionForOffset(int offset) const
+{
+    RenderText *text = static_cast<RenderText *>(m_object);
+    const QFontMetrics &fm = text->metrics(m_firstLine);
+
+    int left;
+    if (m_reversed) {
+	long len = m_start + m_len - offset;
+	QString string(text->str->s + offset, len);
+	left = m_x + fm.boundingRect(string, len).right();
+    } else {
+	long len = offset - m_start;
+	QString string(text->str->s + m_start, len);
+	left = m_x + fm.boundingRect(string, len).right();
+    }
+    // FIXME: Do we need to add rightBearing here?
+    return left;
+}
+
 // -------------------------------------------------------------------------------------
 
 RenderText::RenderText(DOM::NodeImpl* node, DOMStringImpl *_str)
@@ -1063,17 +1080,7 @@ QRect RenderText::caretRect(int offset, EAffinity affinity, int *extraWidthToEnd
     int height = box->root()->bottomOverflow() - box->root()->topOverflow();
     int top = box->root()->topOverflow();
 
-    const QFontMetrics &fm = metrics(box->isFirstLineStyle());
-    int left;
-    if (box->m_reversed) {
-	long len = box->m_start+box->m_len-offset;
-	QString string(str->s +offset,len);
-	left = box->m_x + fm.boundingRect(string,len).right();
-    } else {
-	long len = offset - box->m_start; // the number of characters we are into the string
-	QString string(str->s + box->m_start,len);
-	left = box->m_x + fm.boundingRect(string,len).right();
-    }
+    int left = box->positionForOffset(offset);
 
     // FIXME: should we use the width of the root inline box or the
     // width of the containing block for this?
diff --git a/WebCore/khtml/rendering/render_text.h b/WebCore/khtml/rendering/render_text.h
index 2e833615d8cb..d3d2ad38ceda 100644
--- a/WebCore/khtml/rendering/render_text.h
+++ b/WebCore/khtml/rendering/render_text.h
@@ -124,7 +124,8 @@ public:
     virtual long caretMaxOffset() const;
     virtual unsigned long caretMaxRenderedOffset() const;
     
-    int offsetForPosition(int _x, bool includePartialGlyphs = true);
+    int offsetForPosition(int _x, bool includePartialGlyphs = true) const;
+    int positionForOffset(int offset) const;
     
     /**
      * if this text run was rendered @ref _ty pixels below the upper edge