Fix VC++ compile error

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

diff --git a/src/richtext/richtextbuffer.cpp b/src/richtext/richtextbuffer.cpp
index 14fcf8998464fe05093111a6ef6b8447289dc9a6..c4b472a4913fed52bf34d38319fde5f15ab0bb4e 100644 (file)
--- a/src/richtext/richtextbuffer.cpp
+++ b/src/richtext/richtextbuffer.cpp
@@ -2469,7 +2469,7 @@ bool wxRichTextParagraphLayoutBox::HasCharacterAttributes(const wxRichTextRange&
         {
             // Stop searching if we're beyond the range of interest
             if (para->GetRange().GetStart() > range.GetEnd())
-                return foundCount == matchingCount;
+                return foundCount == matchingCount && foundCount != 0;
 
             if (!para->GetRange().IsOutside(range))
             {
@@ -2478,7 +2478,12 @@ bool wxRichTextParagraphLayoutBox::HasCharacterAttributes(const wxRichTextRange&
                 while (node2)
                 {
                     wxRichTextObject* child = node2->GetData();
-                    if (!child->GetRange().IsOutside(range) && child->IsKindOf(CLASSINFO(wxRichTextPlainText)))
+                    // Allow for empty string if no buffer
+                    wxRichTextRange childRange = child->GetRange();
+                    if (childRange.GetLength() == 0 && GetRange().GetLength() == 1)
+                        childRange.SetEnd(childRange.GetEnd()+1);
+
+                    if (!childRange.IsOutside(range) && child->IsKindOf(CLASSINFO(wxRichTextPlainText)))
                     {
                         foundCount ++;
                         wxTextAttr textAttr = para->GetCombinedAttributes(child->GetAttributes());
@@ -2495,7 +2500,7 @@ bool wxRichTextParagraphLayoutBox::HasCharacterAttributes(const wxRichTextRange&
         node = node->GetNext();
     }
 
-    return foundCount == matchingCount;
+    return foundCount == matchingCount && foundCount != 0;
 }
 
 /// Test if this whole range has paragraph attributes of the specified kind. If any
@@ -2517,7 +2522,7 @@ bool wxRichTextParagraphLayoutBox::HasParagraphAttributes(const wxRichTextRange&
         {
             // Stop searching if we're beyond the range of interest
             if (para->GetRange().GetStart() > range.GetEnd())
-                return foundCount == matchingCount;
+                return foundCount == matchingCount && foundCount != 0;
 
             if (!para->GetRange().IsOutside(range))
             {
@@ -2533,7 +2538,7 @@ bool wxRichTextParagraphLayoutBox::HasParagraphAttributes(const wxRichTextRange&
 
         node = node->GetNext();
     }
-    return foundCount == matchingCount;
+    return foundCount == matchingCount && foundCount != 0;
 }
 
 void wxRichTextParagraphLayoutBox::Clear()
@@ -3355,8 +3360,8 @@ 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 +3489,9 @@ 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 +3507,7 @@ 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 +3531,9 @@ 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();
@@ -6956,8 +6964,12 @@ void wxRichTextAction::UpdateAppearance(long caretPosition, bool sendUpdateEvent
                         // Detect last line in the buffer
                         else if (!node2->GetNext() && para->GetRange().Contains(m_buffer->GetRange().GetEnd()))
                         {
-                            foundEnd = true;
-                            lastY = pt.y + line->GetSize().y;
+                            // If deleting text, make sure we refresh below as well as above
+                            if (positionOffset >= 0)
+                            {
+                                foundEnd = true;
+                                lastY = pt.y + line->GetSize().y;
+                            }
 
                             node2 = wxRichTextLineList::compatibility_iterator();
                             node = wxRichTextObjectList::compatibility_iterator();
@@ -7411,11 +7423,7 @@ wxRichTextImageBlock::wxRichTextImageBlock(const wxRichTextImageBlock& block):wx
 
 wxRichTextImageBlock::~wxRichTextImageBlock()
 {
-    if (m_data)
-    {
-        delete[] m_data;
-        m_data = NULL;
-    }
+    wxDELETEA(m_data);
 }
 
 void wxRichTextImageBlock::Init()
@@ -7427,8 +7435,7 @@ void wxRichTextImageBlock::Init()
 
 void wxRichTextImageBlock::Clear()
 {
-    delete[] m_data;
-    m_data = NULL;
+    wxDELETEA(m_data);
     m_dataSize = 0;
     m_imageType = wxBITMAP_TYPE_INVALID;
 }
@@ -7527,11 +7534,7 @@ bool wxRichTextImageBlock::Write(const wxString& filename)
 void wxRichTextImageBlock::Copy(const wxRichTextImageBlock& block)
 {
     m_imageType = block.m_imageType;
-    if (m_data)
-    {
-        delete[] m_data;
-        m_data = NULL;
-    }
+    wxDELETEA(m_data);
     m_dataSize = block.m_dataSize;
     if (m_dataSize == 0)
         return;
@@ -7778,8 +7781,7 @@ bool wxRichTextBufferDataObject::GetDataHere(void *pBuf) const
 
 bool wxRichTextBufferDataObject::SetData(size_t WXUNUSED(len), const void *buf)
 {
-    delete m_richTextBuffer;
-    m_richTextBuffer = NULL;
+    wxDELETE(m_richTextBuffer);
 
     wxString bufXML((const char*) buf, wxConvUTF8);
 
@@ -7790,8 +7792,7 @@ bool wxRichTextBufferDataObject::SetData(size_t WXUNUSED(len), const void *buf)
     {
         wxLogError(wxT("Could not read the buffer from an XML stream.\nYou may have forgotten to add the XML file handler."));
 
-        delete m_richTextBuffer;
-        m_richTextBuffer = NULL;
+        wxDELETE(m_richTextBuffer);
 
         return false;
     }