Create a text measuring context until a real context is assigned, this allows things...

[wxWidgets.git] / src / richtext / richtextbuffer.cpp

diff --git a/src/richtext/richtextbuffer.cpp b/src/richtext/richtextbuffer.cpp
index 4e00843d4bab8e7204866d6cc93042b36c8ff86a..fc722e8b62a275cf54f305df85bfd1cd227c4bca 100644 (file)
--- a/src/richtext/richtextbuffer.cpp
+++ b/src/richtext/richtextbuffer.cpp
@@ -3355,8 +3355,8 @@ bool wxRichTextParagraph::Layout(wxDC& dc, const wxRect& rect, int style)
     wxPoint currentPosition(0, spaceBeforePara); // We will calculate lines relative to paragraph
     int lineHeight = 0;
     int maxWidth = 0;
+    int maxAscent = 0;
     int maxDescent = 0;
-
     int lineCount = 0;
 
     wxRichTextObjectList::compatibility_iterator node;
@@ -3484,8 +3484,9 @@ bool wxRichTextParagraph::Layout(wxDC& dc, const wxRect& rect, int style)
 #endif
 
             currentWidth = actualSize.x;
-            lineHeight = wxMax(lineHeight, actualSize.y);
             maxDescent = wxMax(childDescent, maxDescent);
+            maxAscent = wxMax(actualSize.y-childDescent, maxAscent);
+            lineHeight = maxDescent + maxAscent;
 
             // Add a new line
             wxRichTextLine* line = AllocateLine(lineCount);
@@ -3501,6 +3502,7 @@ bool wxRichTextParagraph::Layout(wxDC& dc, const wxRect& rect, int style)
             currentPosition.y += lineSpacing;
             currentWidth = 0;
             maxDescent = 0;
+            maxAscent = 0;
             maxWidth = wxMax(maxWidth, currentWidth);
 
             lineCount ++;
@@ -3524,8 +3526,9 @@ bool wxRichTextParagraph::Layout(wxDC& dc, const wxRect& rect, int style)
         {
             // We still fit, so don't add a line, and keep going
             currentWidth += childSize.x;
-            lineHeight = wxMax(lineHeight, childSize.y);
             maxDescent = wxMax(childDescent, maxDescent);
+            maxAscent = wxMax(childSize.y-childDescent, maxAscent);
+            lineHeight = maxDescent + maxAscent;
 
             maxWidth = wxMax(maxWidth, currentWidth);
             lastEndPos = child->GetRange().GetEnd();
@@ -3641,17 +3644,13 @@ void wxRichTextParagraph::ApplyParagraphStyle(const wxTextAttr& attr, const wxRe
         if (attr.HasAlignment() && GetAttributes().GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
         {
             int rightIndent = ConvertTenthsMMToPixels(dc, attr.GetRightIndent());
-            pos.x = (rect.GetWidth() - (pos.x - rect.x) - rightIndent - size.x)/2 + pos.x;
-            // Lines are relative to the paragraph position
-            pos.x -= GetPosition().x;
+            pos.x = (rect.GetWidth() - pos.x - rightIndent - size.x)/2 + pos.x;
             line->SetPosition(pos);
         }
         else if (attr.HasAlignment() && GetAttributes().GetAlignment() == wxTEXT_ALIGNMENT_RIGHT)
         {
             int rightIndent = ConvertTenthsMMToPixels(dc, attr.GetRightIndent());
-            pos.x = rect.x + rect.GetWidth() - size.x - rightIndent;
-            // Lines are relative to the paragraph position
-            pos.x -= GetPosition().x;
+            pos.x = rect.GetWidth() - size.x - rightIndent;
             line->SetPosition(pos);
         }