(Flickery) fix for droppings when there are no notebook pages

[wxWidgets.git] / src / html / m_pre.cpp

diff --git a/src/html/m_pre.cpp b/src/html/m_pre.cpp
index e6e26c6c85dbd1fea2750bef2d3fc8deaa30e728..9d84e28fa5ac1dc49f070e75c24ae1b9dda8d32b 100644 (file)
--- a/src/html/m_pre.cpp
+++ b/src/html/m_pre.cpp
@@ -4,10 +4,10 @@
 // Author:      Vaclav Slavik
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vaclav Slavik
-// Licence:     wxWindows Licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation
 #endif
 
@@ -15,7 +15,7 @@
 
 #include "wx/defs.h"
 #if wxUSE_HTML && wxUSE_STREAMS
-#ifdef __BORDLANDC__
+#ifdef __BORLANDC__
 #pragma hdrstop
 #endif
 
@@ -31,12 +31,57 @@
 
 FORCE_LINK_ME(m_pre)
 
+// replaces '\t', ' ' and '\n' with HTML markup:
+static wxString LINKAGEMODE HtmlizeWhitespaces(const wxString& str)
+{
+    wxString out;
+    size_t len = str.Len();
+    size_t linepos = 0;
+    for (size_t i = 0; i < len; i++)
+    {
+        switch (str[i])
+        {
+            case wxT('<'):
+                while (i < len && str[i] != wxT('>'))
+                {
+                    out << str[i++];
+                    linepos++;
+                }
+                out << wxT('>');
+                linepos++;
+                break;
+            case wxT(' '):
+                out << wxT("&nbsp;");
+                linepos++;
+                break;
+            case wxT('\n'):
+                out << wxT("<br>");
+                linepos = 0;
+                break;
+            case wxT('\t'):
+                {
+                    for (size_t j = 8 - linepos % 8; j > 0; j--)
+                        out << wxT("&nbsp;");
+                    linepos += 8 - linepos % 8;
+                }
+                break;
+            default:
+                out << str[i];
+                linepos++;
+                break;
+        }
+    }
+    return out;
+}
+
+
 //-----------------------------------------------------------------------------
 // The list handler:
 //-----------------------------------------------------------------------------
 
 
 TAG_HANDLER_BEGIN(PRE, "PRE")
+    TAG_HANDLER_CONSTR(PRE) { }
 
     TAG_HANDLER_PROC(tag)
     {
@@ -49,30 +94,30 @@ TAG_HANDLER_BEGIN(PRE, "PRE")
             fsize = m_WParser->GetFontSize();
 
         c = m_WParser->GetContainer();
-        m_WParser->SetFontUnderlined(FALSE);
-        m_WParser->SetFontBold(FALSE);
-        m_WParser->SetFontItalic(FALSE);
-        m_WParser->SetFontFixed(TRUE);
+        m_WParser->SetFontUnderlined(false);
+        m_WParser->SetFontBold(false);
+        m_WParser->SetFontItalic(false);
+        m_WParser->SetFontFixed(true);
         m_WParser->SetFontSize(3);
         c->InsertCell(new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
 
         m_WParser->CloseContainer();
         c = m_WParser->OpenContainer();
+        c->SetWidthFloat(tag);
+        c = m_WParser->OpenContainer();
         c->SetAlignHor(wxHTML_ALIGN_LEFT);
+        c->SetIndent(m_WParser->GetCharHeight(), wxHTML_INDENT_TOP);
 
-        wxString srcMid = 
+        wxString srcMid =
             m_WParser->GetSource()->Mid(tag.GetBeginPos(),
                                         tag.GetEndPos1() - tag.GetBeginPos());
-        srcMid.Replace(wxT("\t"), wxT("        "));
-        srcMid.Replace(wxT(" "), wxT("&nbsp;"));
-        srcMid.Replace(wxT("\n"), wxT("<br>"));
-
         // It is safe to temporarily change the source being parsed,
         // provided we restore the state back after parsing
-        m_Parser->SetSourceAndSaveState(srcMid);
+        m_Parser->SetSourceAndSaveState(HtmlizeWhitespaces(srcMid));
         m_Parser->DoParsing();
         m_Parser->RestoreState();
 
+        m_WParser->CloseContainer();
         m_WParser->CloseContainer();
         c = m_WParser->OpenContainer();
 
@@ -83,7 +128,7 @@ TAG_HANDLER_BEGIN(PRE, "PRE")
         m_WParser->SetFontSize(fsize);
         c->InsertCell(new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
 
-        return TRUE;
+        return true;
     }
 
 TAG_HANDLER_END(PRE)