X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6a603a10e77f719458939d117e46f7d8ed0b372b..6bf921176c7ca7a738e057648dde7fbc57f3e682:/src/html/winpars.cpp

diff --git a/src/html/winpars.cpp b/src/html/winpars.cpp
index 9b5adbdfb1..2043afea64 100644
--- a/src/html/winpars.cpp
+++ b/src/html/winpars.cpp
@@ -25,6 +25,7 @@
 #include "wx/html/htmldefs.h"
 #include "wx/html/winpars.h"
 #include "wx/html/htmlwin.h"
+#include "wx/html/styleparams.h"
 #include "wx/fontmap.h"
 #include "wx/uri.h"
 
@@ -202,7 +203,7 @@ void wxHtmlWinParser::InitParser(const wxString& source)
     m_FontBold = m_FontItalic = m_FontUnderlined = m_FontFixed = FALSE;
     m_FontSize = 3; //default one
     CreateCurrentFont();           // we're selecting default font into
-    
+
     // we're not using GetCharWidth/Height() because of
     // differences under X and win
     wxCoord w,h;
@@ -214,6 +215,11 @@ void wxHtmlWinParser::InitParser(const wxString& source)
     m_Link = wxHtmlLinkInfo( wxEmptyString );
     m_LinkColor.Set(0, 0, 0xFF);
     m_ActualColor.Set(0, 0, 0);
+    const wxColour windowColour = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW) ;
+    m_ActualBackgroundColor = m_windowInterface
+                            ? m_windowInterface->GetHTMLBackgroundColour()
+                            : windowColour;
+    m_ActualBackgroundMode = wxTRANSPARENT;
     m_Align = wxHTML_ALIGN_LEFT;
     m_ScriptMode = wxHTML_SCRIPT_NORMAL;
     m_ScriptBaseline = 0;
@@ -238,16 +244,13 @@ void wxHtmlWinParser::InitParser(const wxString& source)
 #endif
 
     m_Container->InsertCell(new wxHtmlColourCell(m_ActualColor));
-    wxColour windowColour = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW) ;
 
     m_Container->InsertCell
                  (
                    new wxHtmlColourCell
                        (
-                         m_windowInterface
-                            ? m_windowInterface->GetHTMLBackgroundColour()
-                            : windowColour,
-                         wxHTML_CLR_BACKGROUND
+                         m_ActualBackgroundColor,
+                         m_ActualBackgroundMode == wxTRANSPARENT ? wxHTML_CLR_TRANSPARENT_BACKGROUND : wxHTML_CLR_BACKGROUND
                        )
                   );
 
@@ -345,15 +348,18 @@ wxFSFile *wxHtmlWinParser::OpenURL(wxHtmlURLType type,
     return GetFS()->OpenFile(myurl, flags);
 }
 
+#define NBSP_UNICODE_VALUE  (wxChar(160))
+#if !wxUSE_UNICODE
+    #define CUR_NBSP_VALUE m_nbsp
+#else
+    #define CUR_NBSP_VALUE NBSP_UNICODE_VALUE
+#endif
+
 void wxHtmlWinParser::AddText(const wxString& txt)
 {
-    #define NBSP_UNICODE_VALUE  (wxChar(160))
 #if !wxUSE_UNICODE
     if ( m_nbsp == 0 )
         m_nbsp = GetEntitiesParser()->GetCharForCode(NBSP_UNICODE_VALUE);
-    #define CUR_NBSP_VALUE m_nbsp
-#else
-    #define CUR_NBSP_VALUE NBSP_UNICODE_VALUE
 #endif
 
     if ( m_whitespaceMode == Whitespace_Normal )
@@ -385,7 +391,7 @@ void wxHtmlWinParser::AddText(const wxString& txt)
         while (i < end)
         {
             size_t x = 0;
-            wxChar d = *i;
+            const wxChar d = temp[templen++] = *i;
             if ((d == wxT('\n')) || (d == wxT('\r')) || (d == wxT(' ')) || (d == wxT('\t')))
             {
                 ++i, ++x;
@@ -402,11 +408,6 @@ void wxHtmlWinParser::AddText(const wxString& txt)
                 ++i;
             }
 
-            if (d == CUR_NBSP_VALUE)
-                d = ' ';
-
-            temp[templen++] = d;
-
             if (x)
             {
                 temp[templen-1] = wxT(' ');
@@ -445,6 +446,12 @@ void wxHtmlWinParser::FlushWordBuf(wxChar *buf, int& len)
 {
     buf[len] = 0;
 
+    for ( int i = 0; i < len; i++ )
+    {
+        if ( buf[i] == CUR_NBSP_VALUE )
+            buf[i] = ' ';
+    }
+
 #if !wxUSE_UNICODE
     if (m_EncConv)
         m_EncConv->Convert(buf);
@@ -473,7 +480,6 @@ void wxHtmlWinParser::AddPreBlock(const wxString& text)
 
         const wxString::const_iterator end = text.end();
         wxString::const_iterator copyFrom = text.begin();
-        size_t posFrom = 0;
         size_t pos = 0;
         int posColumn = m_posColumn;
         for ( wxString::const_iterator i = copyFrom; i != end; ++i, ++pos )
@@ -489,7 +495,6 @@ void wxHtmlWinParser::AddPreBlock(const wxString& text)
 
                 posColumn += expandTo;
                 copyFrom = i + 1;
-                posFrom = pos + 1;
             }
             else
             {
@@ -550,6 +555,42 @@ void wxHtmlWinParser::SetFontSize(int s)
 }
 
 
+void wxHtmlWinParser::SetDC(wxDC *dc, double pixel_scale, double font_scale)
+{
+    m_DC = dc;
+    m_PixelScale = pixel_scale;
+    m_FontScale = font_scale;
+}
+
+void wxHtmlWinParser::SetFontPointSize(int pt)
+{
+    if (pt <= m_FontsSizes[0])
+        m_FontSize = 1;
+    else if (pt >= m_FontsSizes[6])
+        m_FontSize = 7;
+    else
+    {
+        // Find the font closest to the given value with a simple linear search
+        // (binary search is not worth it here for so small number of elements)
+        for ( int n = 0; n < 6; n++ )
+        {
+            if ( (pt > m_FontsSizes[n]) && (pt <= m_FontsSizes[n + 1]) )
+            {
+                if ( (pt - m_FontsSizes[n]) >= (m_FontsSizes[n + 1] - pt) )
+                {
+                    // The actual size is closer to the next entry than to this
+                    // one, so use it.
+                    n++;
+                }
+
+                // Notice that m_FontSize starts from 1, hence +1 here.
+                m_FontSize = n + 1;
+
+                break;
+            }
+        }
+    }
+}
 
 wxFont* wxHtmlWinParser::CreateCurrentFont()
 {
@@ -572,15 +613,14 @@ wxFont* wxHtmlWinParser::CreateCurrentFont()
 #endif
                             ))
     {
-        delete *fontptr;
-        *fontptr = NULL;
+        wxDELETE(*fontptr);
     }
 
     if (*fontptr == NULL)
     {
         *faceptr = face;
         *fontptr = new wxFont(
-                       (int) (m_FontsSizes[fs] * m_PixelScale),
+                       (int) (m_FontsSizes[fs] * m_FontScale),
                        ff ? wxMODERN : wxSWISS,
                        fi ? wxITALIC : wxNORMAL,
                        fb ? wxBOLD : wxNORMAL,
@@ -635,11 +675,7 @@ void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
     m_nbsp = 0;
 
     m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
-    if (m_EncConv)
-    {
-        delete m_EncConv;
-        m_EncConv = NULL;
-    }
+    wxDELETE(m_EncConv);
 
     if (enc == wxFONTENCODING_DEFAULT)
         return;
@@ -704,8 +740,7 @@ void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
         wxLogError(_("Failed to display HTML document in %s encoding"),
                    wxFontMapper::GetEncodingName(enc).c_str());
         m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
-        delete m_EncConv;
-        m_EncConv = NULL;
+        wxDELETE(m_EncConv);
     }
 }
 #endif
@@ -719,6 +754,112 @@ void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
 
 IMPLEMENT_ABSTRACT_CLASS(wxHtmlWinTagHandler, wxHtmlTagHandler)
 
+void wxHtmlWinTagHandler::ApplyStyle(const wxHtmlStyleParams &styleParams)
+{
+    wxString str;
+
+    str = styleParams.GetParam(wxS("color"));
+    if ( !str.empty() )
+    {
+        wxColour clr;
+        if ( wxHtmlTag::ParseAsColour(str, &clr) )
+        {
+            m_WParser->SetActualColor(clr);
+            m_WParser->GetContainer()->InsertCell(new wxHtmlColourCell(clr));
+        }
+    }
+
+    str = styleParams.GetParam(wxS("background-color"));
+    if ( !str.empty() )
+    {
+        wxColour clr;
+        if ( wxHtmlTag::ParseAsColour(str, &clr) )
+        {
+            m_WParser->SetActualBackgroundColor(clr);
+            m_WParser->SetActualBackgroundMode(wxSOLID);
+            m_WParser->GetContainer()->InsertCell(new wxHtmlColourCell(clr, wxHTML_CLR_BACKGROUND));
+        }
+    }
+
+    str = styleParams.GetParam(wxS("font-size"));
+    if ( !str.empty() )
+    {
+        // Point size
+        int foundIndex = str.Find(wxS("pt"));
+        if (foundIndex != wxNOT_FOUND)
+        {
+            str.Truncate(foundIndex);
+
+            long sizeValue;
+            if (str.ToLong(&sizeValue) == true)
+            {
+                // Set point size
+                m_WParser->SetFontPointSize(sizeValue);
+                m_WParser->GetContainer()->InsertCell(
+                    new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
+            }
+        }
+        // else: check for other ways of specifying size (TODO)
+    }
+
+    str = styleParams.GetParam(wxS("font-weight"));
+    if ( !str.empty() )
+    {
+        // Only bold and normal supported just now
+        if ( str == wxS("bold") )
+        {
+            m_WParser->SetFontBold(true);
+            m_WParser->GetContainer()->InsertCell(
+                new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
+        }
+        else if ( str == wxS("normal") )
+        {
+            m_WParser->SetFontBold(false);
+            m_WParser->GetContainer()->InsertCell(
+                new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
+        }
+    }
+
+    str = styleParams.GetParam(wxS("font-style"));
+    if ( !str.empty() )
+    {
+        // "oblique" and "italic" are more or less the same.
+        // "inherit" (using the parent font) is not supported.
+        if ( str == wxS("oblique") || str == wxS("italic") )
+        {
+            m_WParser->SetFontItalic(true);
+            m_WParser->GetContainer()->InsertCell(
+                new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
+        }
+        else if ( str == wxS("normal") )
+        {
+            m_WParser->SetFontItalic(false);
+            m_WParser->GetContainer()->InsertCell(
+                new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
+        }
+    }
+
+    str = styleParams.GetParam(wxS("text-decoration"));
+    if ( !str.empty() )
+    {
+        // Only underline is supported.
+        if ( str == wxS("underline") )
+        {
+            m_WParser->SetFontUnderlined(true);
+            m_WParser->GetContainer()->InsertCell(
+                new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
+        }
+    }
+
+    str = styleParams.GetParam(wxS("font-family"));
+    if ( !str.empty() )
+    {
+        m_WParser->SetFontFace(str);
+        m_WParser->GetContainer()->InsertCell(
+            new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
+    }
+}
+
 //-----------------------------------------------------------------------------
 // wxHtmlTagsModule
 //-----------------------------------------------------------------------------