src/html/m_span.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/html/m_span.cpp
   3 // Purpose:     wxHtml module for span handling
   4 // Author:      Nigel Paton
   5 // RCS-ID:      $Id$
   6 // Copyright:   wxWidgets team
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #include "wx/wxprec.h"
  11
  12 #ifdef __BORLANDC__
  13     #pragma hdrstop
  14 #endif
  15
  16 #if wxUSE_HTML
  17
  18 #include "wx/html/forcelnk.h"
  19 #include "wx/html/m_templ.h"
  20 #include "wx/fontenum.h"
  21 #include "wx/tokenzr.h"
  22 #include "wx/html/styleparams.h"
  23
  24 FORCE_LINK_ME(m_span)
  25
  26
  27 TAG_HANDLER_BEGIN(SPAN, "SPAN" )
  28
  29     TAG_HANDLER_VARS
  30         wxArrayString m_Faces;
  31
  32     TAG_HANDLER_CONSTR(SPAN) { }
  33
  34     TAG_HANDLER_PROC(tag)
  35     {
  36         wxColour oldclr = m_WParser->GetActualColor();
  37         wxColour oldbackclr = m_WParser->GetActualBackgroundColor();
  38         int oldbackmode = m_WParser->GetActualBackgroundMode();
  39         int oldsize = m_WParser->GetFontSize();
  40         int oldbold = m_WParser->GetFontBold();
  41         int olditalic = m_WParser->GetFontItalic();
  42         int oldunderlined = m_WParser->GetFontUnderlined();
  43         wxString oldfontface = m_WParser->GetFontFace();
  44
  45         // Load any style parameters
  46         wxHtmlStyleParams styleParams(tag);
  47
  48         wxString str;
  49
  50         str = styleParams.GetParam(wxS("color"));
  51         if ( !str.empty() )
  52         {
  53             wxColour clr;
  54             if ( wxHtmlTag::ParseAsColour(str, &clr) )
  55             {
  56                 m_WParser->SetActualColor(clr);
  57                 m_WParser->GetContainer()->InsertCell(new wxHtmlColourCell(clr));
  58             }
  59         }
  60
  61         str = styleParams.GetParam(wxS("background-color"));
  62         if ( !str.empty() )
  63         {
  64             wxColour clr;
  65             if ( wxHtmlTag::ParseAsColour(str, &clr) )
  66             {
  67                 m_WParser->SetActualBackgroundColor(clr);
  68                 m_WParser->SetActualBackgroundMode(wxBRUSHSTYLE_SOLID);
  69                 m_WParser->GetContainer()->InsertCell(new wxHtmlColourCell(clr, wxHTML_CLR_BACKGROUND));
  70             }
  71         }
  72
  73         str = styleParams.GetParam(wxS("font-size"));
  74         if ( !str.empty() )
  75         {
  76             // Point size
  77             int foundIndex = str.Find(wxS("pt"));
  78             if (foundIndex != wxNOT_FOUND)
  79             {
  80                 str.Truncate(foundIndex);
  81
  82                 long sizeValue;
  83                 if (str.ToLong(&sizeValue) == true)
  84                 {
  85                     // Set point size
  86                     m_WParser->SetFontPointSize(sizeValue);
  87                     m_WParser->GetContainer()->InsertCell(
  88                          new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
  89                 }
  90             }
  91             // else: check for other ways of specifying size (TODO)
  92         }
  93
  94         str = styleParams.GetParam(wxS("font-weight"));
  95         if ( !str.empty() )
  96         {
  97             // Only bold and normal supported just now
  98             if ( str == wxS("bold") )
  99             {
 100                 m_WParser->SetFontBold(true);
 101                 m_WParser->GetContainer()->InsertCell(
 102                      new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
 103             }
 104             else if ( str == wxS("normal") )
 105             {
 106                 m_WParser->SetFontBold(false);
 107                 m_WParser->GetContainer()->InsertCell(
 108                      new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
 109             }
 110         }
 111
 112         str = styleParams.GetParam(wxS("font-style"));
 113         if ( !str.empty() )
 114         {
 115             // "oblique" and "italic" are more or less the same.
 116             // "inherit" (using the parent font) is not supported.
 117             if ( str == wxS("oblique") || str == wxS("italic") )
 118             {
 119                 m_WParser->SetFontItalic(true);
 120                 m_WParser->GetContainer()->InsertCell(
 121                      new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
 122             }
 123             else if ( str == wxS("normal") )
 124             {
 125                 m_WParser->SetFontItalic(false);
 126                 m_WParser->GetContainer()->InsertCell(
 127                      new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
 128             }
 129         }
 130
 131         str = styleParams.GetParam(wxS("text-decoration"));
 132         if ( !str.empty() )
 133         {
 134             // Only underline is supported.
 135             if ( str == wxS("underline") )
 136             {
 137                 m_WParser->SetFontUnderlined(true);
 138                 m_WParser->GetContainer()->InsertCell(
 139                      new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
 140             }
 141         }
 142
 143         str = styleParams.GetParam(wxS("font-family"));
 144         if ( !str.empty() )
 145         {
 146             m_WParser->SetFontFace(str);
 147             m_WParser->GetContainer()->InsertCell(
 148                  new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
 149         }
 150
 151         ParseInner(tag);
 152
 153         m_WParser->SetFontSize(oldsize);
 154         m_WParser->SetFontBold(oldbold);
 155         m_WParser->SetFontUnderlined(oldunderlined);
 156         m_WParser->SetFontFace(oldfontface);
 157         m_WParser->SetFontItalic(olditalic);
 158         m_WParser->GetContainer()->InsertCell(
 159                 new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
 160
 161         if (oldclr != m_WParser->GetActualColor())
 162         {
 163             m_WParser->SetActualColor(oldclr);
 164             m_WParser->GetContainer()->InsertCell(
 165                 new wxHtmlColourCell(oldclr));
 166         }
 167
 168         if (oldbackmode != m_WParser->GetActualBackgroundMode() ||
 169             oldbackclr != m_WParser->GetActualBackgroundColor())
 170         {
 171             m_WParser->SetActualBackgroundMode(oldbackmode);
 172             m_WParser->SetActualBackgroundColor(oldbackclr);
 173             m_WParser->GetContainer()->InsertCell(
 174                 new wxHtmlColourCell(oldbackclr, oldbackmode == wxBRUSHSTYLE_TRANSPARENT ? wxHTML_CLR_TRANSPARENT_BACKGROUND : wxHTML_CLR_BACKGROUND));
 175         }
 176
 177         return true;
 178     }
 179
 180 TAG_HANDLER_END(SPAN)
 181
 182
 183 TAGS_MODULE_BEGIN(Spans)
 184
 185     TAGS_MODULE_ADD(SPAN)
 186
 187 TAGS_MODULE_END(Spans)
 188
 189 #endif // wxUSE_HTML