Fix Tab navigation when focused control is disabled.

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

diff --git a/src/html/htmltag.cpp b/src/html/htmltag.cpp
index 4365a26554316d4165255e2fb0322b4403650d9c..6646ac1ed7f1a6dc09d38b2de4818342e23b2a27 100644 (file)
--- a/src/html/htmltag.cpp
+++ b/src/html/htmltag.cpp
@@ -23,6 +23,8 @@
 #endif
 
 #include "wx/html/htmlpars.h"
+#include "wx/html/styleparams.h"
+
 #include "wx/vector.h"
 
 #include <stdio.h> // for vsscanf
@@ -63,14 +65,14 @@ class wxHtmlTagsCacheData : public wxVector<wxHtmlCacheItem>
 
 bool wxIsCDATAElement(const wxChar *tag)
 {
-    return (wxStrcmp(tag, _T("SCRIPT")) == 0) ||
-           (wxStrcmp(tag, _T("STYLE")) == 0);
+    return (wxStrcmp(tag, wxT("SCRIPT")) == 0) ||
+           (wxStrcmp(tag, wxT("STYLE")) == 0);
 }
 
 bool wxIsCDATAElement(const wxString& tag)
 {
-    return (wxStrcmp(tag.wx_str(), wxSTRING_TEXT("SCRIPT")) == 0) ||
-           (wxStrcmp(tag.wx_str(), wxSTRING_TEXT("STYLE")) == 0);
+    return (wxStrcmp(tag.wx_str(), wxS("SCRIPT")) == 0) ||
+           (wxStrcmp(tag.wx_str(), wxS("STYLE")) == 0);
 }
 
 wxHtmlTagsCache::wxHtmlTagsCache(const wxString& source)
@@ -103,7 +105,7 @@ wxHtmlTagsCache::wxHtmlTagsCache(const wxString& source)
             {
                 tagBuffer[i] = (wxChar)wxToupper(*pos);
             }
-            tagBuffer[i] = _T('\0');
+            tagBuffer[i] = wxT('\0');
 
             Cache()[tg].Name = new wxChar[i+1];
             memcpy(Cache()[tg].Name, tagBuffer, (i+1)*sizeof(wxChar));
@@ -203,8 +205,7 @@ wxHtmlTagsCache::wxHtmlTagsCache(const wxString& source)
     for ( wxHtmlTagsCacheData::iterator i = Cache().begin();
           i != Cache().end(); ++i )
     {
-        delete[] i->Name;
-        i->Name = NULL;
+        wxDELETEA(i->Name);
     }
 }
 
@@ -246,9 +247,27 @@ void wxHtmlTagsCache::QueryTag(const wxString::const_iterator& at,
         }
         while (Cache()[m_CachePos].Key != at);
     }
-    *end1 = Cache()[m_CachePos].End1;
-    *end2 = Cache()[m_CachePos].End2;
-    *hasEnding = (Cache()[m_CachePos].type == wxHtmlCacheItem::Type_Normal);
+
+    switch ( Cache()[m_CachePos].type )
+    {
+        case wxHtmlCacheItem::Type_Normal:
+            *end1 = Cache()[m_CachePos].End1;
+            *end2 = Cache()[m_CachePos].End2;
+            *hasEnding = true;
+            break;
+
+        case wxHtmlCacheItem::Type_EndingTag:
+            wxFAIL_MSG("QueryTag called for ending tag - can't be");
+            // but if it does happen, fall through, better than crashing
+
+        case wxHtmlCacheItem::Type_NoMatchingEndingTag:
+            // If input HTML is invalid and there's no closing tag for this
+            // one, pretend that it runs all the way to the end of input
+            *end1 = inputEnd;
+            *end2 = inputEnd;
+            *hasEnding = false;
+            break;
+    }
 }
 
 
@@ -284,7 +303,7 @@ wxHtmlTag::wxHtmlTag(wxHtmlTag *parent,
 
     /* Find parameters and their values: */
 
-    wxChar c;
+    wxChar c wxDUMMY_INITIALIZE(0);
 
     // fill-in name, params and begin pos:
     wxString::const_iterator i(pos+1);
@@ -293,7 +312,7 @@ wxHtmlTag::wxHtmlTag(wxHtmlTag *parent,
     while ((i < end_pos) &&
            ((c = *(i++)) != wxT(' ') && c != wxT('\r') &&
              c != wxT('\n') && c != wxT('\t') &&
-             c != wxT('>')))
+             c != wxT('>') && c != wxT('/')))
     {
         if ((c >= wxT('a')) && (c <= wxT('z')))
             c -= (wxT('a') - wxT('A'));
@@ -412,6 +431,32 @@ wxHtmlTag::wxHtmlTag(wxHtmlTag *parent,
 #if WXWIN_COMPATIBILITY_2_8
     m_sourceStart = source->begin();
 #endif
+
+    // Try to parse any style parameters that can be handled simply by
+    // converting them to the equivalent HTML 3 attributes: this is a far cry
+    // from perfect but better than nothing.
+    static const struct EquivAttr
+    {
+        const char *style;
+        const char *attr;
+    } equivAttrs[] =
+    {
+        { "text-align",         "ALIGN"         },
+        { "width",              "WIDTH"         },
+        { "vertical-align",     "VALIGN"        },
+        { "background",         "BGCOLOR"       },
+    };
+
+    wxHtmlStyleParams styleParams(*this);
+    for ( unsigned n = 0; n < WXSIZEOF(equivAttrs); n++ )
+    {
+        const EquivAttr& ea = equivAttrs[n];
+        if ( styleParams.HasParam(ea.style) && !HasParam(ea.attr) )
+        {
+            m_ParamNames.Add(ea.attr);
+            m_ParamValues.Add(styleParams.GetParam(ea.style));
+        }
+    }
 }
 
 wxHtmlTag::~wxHtmlTag()
@@ -431,12 +476,12 @@ bool wxHtmlTag::HasParam(const wxString& par) const
     return (m_ParamNames.Index(par, false) != wxNOT_FOUND);
 }
 
-wxString wxHtmlTag::GetParam(const wxString& par, bool with_commas) const
+wxString wxHtmlTag::GetParam(const wxString& par, bool with_quotes) const
 {
     int index = m_ParamNames.Index(par, false);
     if (index == wxNOT_FOUND)
         return wxGetEmptyString();
-    if (with_commas)
+    if (with_quotes)
     {
         // VS: backward compatibility, seems to be never used by wxHTML...
         wxString s;
@@ -463,17 +508,16 @@ int wxHtmlTag::ScanParam(const wxString& par,
     return wxSscanf(parval, format, param);
 }
 
-bool wxHtmlTag::GetParamAsColour(const wxString& par, wxColour *clr) const
+/* static */
+bool wxHtmlTag::ParseAsColour(const wxString& str, wxColour *clr)
 {
-    wxCHECK_MSG( clr, false, _T("invalid colour argument") );
-
-    wxString str = GetParam(par);
+    wxCHECK_MSG( clr, false, wxT("invalid colour argument") );
 
     // handle colours defined in HTML 4.0 first:
-    if (str.length() > 1 && str[0] != _T('#'))
+    if (str.length() > 1 && str[0] != wxT('#'))
     {
-        #define HTML_COLOUR(name, r, g, b)                        \
-            if (str.IsSameAs(wxSTRING_TEXT(name), false))         \
+        #define HTML_COLOUR(name, r, g, b)              \
+            if (str.IsSameAs(wxS(name), false))         \
                 { clr->Set(r, g, b); return true; }
         HTML_COLOUR("black",   0x00,0x00,0x00)
         HTML_COLOUR("silver",  0xC0,0xC0,0xC0)
@@ -504,13 +548,23 @@ bool wxHtmlTag::GetParamAsColour(const wxString& par, wxColour *clr) const
     return false;
 }
 
+bool wxHtmlTag::GetParamAsColour(const wxString& par, wxColour *clr) const
+{
+    const wxString str = GetParam(par);
+    return !str.empty() && ParseAsColour(str, clr);
+}
+
 bool wxHtmlTag::GetParamAsInt(const wxString& par, int *clr) const
 {
-    if (!HasParam(par)) return false;
+    if ( !HasParam(par) )
+        return false;
+
     long i;
-    bool succ = GetParam(par).ToLong(&i);
+    if ( !GetParam(par).ToLong(&i) )
+        return false;
+
     *clr = (int)i;
-    return succ;
+    return true;
 }
 
 wxString wxHtmlTag::GetAllParams() const