update frm Ivan Masar

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

diff --git a/src/html/winpars.cpp b/src/html/winpars.cpp
index 4a5de2de4d6f7858ca8517dfd1b903b02c934e87..bc530f289657d1d142b3743225cf7de324ed58a3 100644 (file)
--- a/src/html/winpars.cpp
+++ b/src/html/winpars.cpp
@@ -1,59 +1,57 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        winpars.cpp
+// Name:        src/html/winpars.cpp

 // Purpose:     wxHtmlParser class (generic parser)
 // Author:      Vaclav Slavik
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vaclav Slavik
 // Purpose:     wxHtmlParser class (generic parser)
 // Author:      Vaclav Slavik
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vaclav Slavik

-// Licence:     wxWindows Licence
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-
-#ifdef __GNUG__
-#pragma implementation "winpars.h"
-#endif
-

 #include "wx/wxprec.h"
 
 #include "wx/wxprec.h"
 

-#include "wx/defs.h"
-#if wxUSE_HTML && wxUSE_STREAMS
-

 #ifdef __BORLANDC__
 #ifdef __BORLANDC__

-#pragma hdrstop
+    #pragma hdrstop

 #endif
 
 #endif
 

-#ifndef WXPRECOMP
+#if wxUSE_HTML && wxUSE_STREAMS
+
+#ifndef WX_PRECOMP

     #include "wx/intl.h"
     #include "wx/dc.h"
     #include "wx/intl.h"
     #include "wx/dc.h"

+    #include "wx/log.h"
+    #include "wx/settings.h"

 #endif
 
 #include "wx/html/htmldefs.h"
 #include "wx/html/winpars.h"
 #include "wx/html/htmlwin.h"
 #include "wx/fontmap.h"
 #endif
 
 #include "wx/html/htmldefs.h"
 #include "wx/html/winpars.h"
 #include "wx/html/htmlwin.h"
 #include "wx/fontmap.h"

-#include "wx/log.h"
+#include "wx/uri.h"

 
 
 //-----------------------------------------------------------------------------
 // wxHtmlWinParser
 //-----------------------------------------------------------------------------
 
 
 
 //-----------------------------------------------------------------------------
 // wxHtmlWinParser
 //-----------------------------------------------------------------------------
 

+IMPLEMENT_ABSTRACT_CLASS(wxHtmlWinParser, wxHtmlParser)

 
 wxList wxHtmlWinParser::m_Modules;
 
 
 wxList wxHtmlWinParser::m_Modules;
 

-wxHtmlWinParser::wxHtmlWinParser(wxHtmlWindow *wnd) : wxHtmlParser()
+wxHtmlWinParser::wxHtmlWinParser(wxHtmlWindowInterface *wndIface)

 {
     m_tmpStrBuf = NULL;
     m_tmpStrBufSize = 0;
 {
     m_tmpStrBuf = NULL;
     m_tmpStrBufSize = 0;

-    m_Window = wnd;
+    m_windowInterface = wndIface;

     m_Container = NULL;
     m_DC = NULL;
     m_CharHeight = m_CharWidth = 0;
     m_Container = NULL;
     m_DC = NULL;
     m_CharHeight = m_CharWidth = 0;

-    m_UseLink = FALSE;
+    m_UseLink = false;

 #if !wxUSE_UNICODE
     m_EncConv = NULL;
     m_InputEnc = wxFONTENCODING_ISO8859_1;
     m_OutputEnc = wxFONTENCODING_DEFAULT;
 #endif
 #if !wxUSE_UNICODE
     m_EncConv = NULL;
     m_InputEnc = wxFONTENCODING_ISO8859_1;
     m_OutputEnc = wxFONTENCODING_DEFAULT;
 #endif

+    m_lastWordCell = NULL;

 
     {
         int i, j, k, l, m;
 
     {
         int i, j, k, l, m;


@@ -74,7 +72,7 @@ wxHtmlWinParser::wxHtmlWinParser(wxHtmlWindow *wnd) : wxHtmlParser()
     }
 
     // fill in wxHtmlParser's tables:
     }
 
     // fill in wxHtmlParser's tables:

-    wxNode *node = m_Modules.GetFirst();
+    wxList::compatibility_iterator node = m_Modules.GetFirst();

     while (node)
     {
         wxHtmlTagsModule *mod = (wxHtmlTagsModule*) node->GetData();
     while (node)
     {
         wxHtmlTagsModule *mod = (wxHtmlTagsModule*) node->GetData();


@@ -112,25 +110,50 @@ void wxHtmlWinParser::RemoveModule(wxHtmlTagsModule *module)
     m_Modules.DeleteObject(module);
 }
 
     m_Modules.DeleteObject(module);
 }
 

-void wxHtmlWinParser::SetFonts(wxString normal_face, wxString fixed_face,
+// build all HTML font sizes (1..7) from the given base size
+static void wxBuildFontSizes(int *sizes, int size)
+{
+    // using a fixed factor (1.2, from CSS2) is a bad idea as explained at
+    // http://www.w3.org/TR/CSS21/fonts.html#font-size-props but this is by far
+    // simplest thing to do so still do it like this for now
+    sizes[0] = int(size * 0.75); // exception to 1.2 rule, otherwise too small
+    sizes[1] = int(size * 0.83);
+    sizes[2] = size;
+    sizes[3] = int(size * 1.2);
+    sizes[4] = int(size * 1.44);
+    sizes[5] = int(size * 1.73);
+    sizes[6] = int(size * 2);
+}
+
+static int wxGetDefaultHTMLFontSize()
+{
+    // base the default font size on the size of the default system font but
+    // also ensure that we have a font of reasonable size, otherwise small HTML
+    // fonts are unreadable
+    int size = wxNORMAL_FONT->GetPointSize();
+    if ( size < 10 )
+        size = 10;
+    return size;
+}
+
+void wxHtmlWinParser::SetFonts(const wxString& normal_face,
+                               const wxString& fixed_face,

                                const int *sizes)
 {
                                const int *sizes)
 {

-    static int default_sizes[7] =
-        {
-            wxHTML_FONT_SIZE_1,
-                       wxHTML_FONT_SIZE_2,
-                       wxHTML_FONT_SIZE_3,
-                       wxHTML_FONT_SIZE_4,
-                       wxHTML_FONT_SIZE_5,
-                       wxHTML_FONT_SIZE_6,
-                       wxHTML_FONT_SIZE_7
-        };
-    
-    if (sizes == NULL) sizes = default_sizes;
+    static int default_sizes[7] = { 0 };
+    if ( !sizes )
+    {
+        if ( !default_sizes[0] )
+            wxBuildFontSizes(default_sizes, wxGetDefaultHTMLFontSize());
+
+        sizes = default_sizes;
+    }

 
     int i, j, k, l, m;
 
 
     int i, j, k, l, m;
 

-    for (i = 0; i < 7; i++) m_FontsSizes[i] = sizes[i];
+    for (i = 0; i < 7; i++)
+        m_FontsSizes[i] = sizes[i];
+

     m_FontFaceFixed = fixed_face;
     m_FontFaceNormal = normal_face;
 
     m_FontFaceFixed = fixed_face;
     m_FontFaceNormal = normal_face;
 


@@ -151,6 +174,23 @@ void wxHtmlWinParser::SetFonts(wxString normal_face, wxString fixed_face,
                     }
 }
 
                     }
 }
 

+void wxHtmlWinParser::SetStandardFonts(int size,
+                                       const wxString& normal_face,
+                                       const wxString& fixed_face)
+{
+    if (size == -1)
+        size = wxGetDefaultHTMLFontSize();
+
+    int f_sizes[7];
+    wxBuildFontSizes(f_sizes, size);
+
+    wxString normal = normal_face;
+    if ( normal.empty() )
+        normal = wxNORMAL_FONT->GetFaceName();
+
+    SetFonts(normal, fixed_face, f_sizes);
+}
+

 void wxHtmlWinParser::InitParser(const wxString& source)
 {
     wxHtmlParser::InitParser(source);
 void wxHtmlWinParser::InitParser(const wxString& source)
 {
     wxHtmlParser::InitParser(source);


@@ -159,19 +199,29 @@ 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
     m_FontBold = m_FontItalic = m_FontUnderlined = m_FontFixed = FALSE;
     m_FontSize = 3; //default one
     CreateCurrentFont();           // we're selecting default font into

-    m_DC->GetTextExtent( wxT("H"), &m_CharWidth, &m_CharHeight);
-                /* NOTE : we're not using GetCharWidth/Height() because
-                   of differences under X and win
-                 */
-
-    m_UseLink = FALSE;
-    m_Link = wxHtmlLinkInfo( wxT(""), wxT("") );
+    
+    // we're not using GetCharWidth/Height() because of
+    // differences under X and win
+    wxCoord w,h;
+    m_DC->GetTextExtent( wxT("H"), &w, &h);
+    m_CharWidth = w;
+    m_CharHeight = h;
+
+    m_UseLink = false;
+    m_Link = wxHtmlLinkInfo( wxEmptyString );

     m_LinkColor.Set(0, 0, 0xFF);
     m_ActualColor.Set(0, 0, 0);
     m_Align = wxHTML_ALIGN_LEFT;
     m_LinkColor.Set(0, 0, 0xFF);
     m_ActualColor.Set(0, 0, 0);
     m_Align = wxHTML_ALIGN_LEFT;

-    m_tmpLastWasSpace = FALSE;
+    m_ScriptMode = wxHTML_SCRIPT_NORMAL;
+    m_ScriptBaseline = 0;
+    m_tmpLastWasSpace = false;
+    m_lastWordCell = NULL;

 
 

+    // open the toplevel container that contains everything else and that
+    // is never closed (this makes parser's life easier):

     OpenContainer();
     OpenContainer();

+
+    // then open the first container into which page's content will go:

     OpenContainer();
 
 #if !wxUSE_UNICODE
     OpenContainer();
 
 #if !wxUSE_UNICODE


@@ -185,6 +235,19 @@ void wxHtmlWinParser::InitParser(const wxString& source)
 #endif
 
     m_Container->InsertCell(new wxHtmlColourCell(m_ActualColor));
 #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_Container->InsertCell(new wxHtmlFontCell(CreateCurrentFont()));
 }
 
     m_Container->InsertCell(new wxHtmlFontCell(CreateCurrentFont()));
 }
 


@@ -197,6 +260,15 @@ void wxHtmlWinParser::DoneParser()
     wxHtmlParser::DoneParser();
 }
 
     wxHtmlParser::DoneParser();
 }
 

+#if WXWIN_COMPATIBILITY_2_6
+wxHtmlWindow *wxHtmlWinParser::GetWindow()
+{
+    if (!m_windowInterface)
+        return NULL;
+    return wxDynamicCast(m_windowInterface->GetHTMLWindow(), wxHtmlWindow);
+}
+#endif
+

 wxObject* wxHtmlWinParser::GetProduct()
 {
     wxHtmlContainerCell *top;
 wxObject* wxHtmlWinParser::GetProduct()
 {
     wxHtmlContainerCell *top;


@@ -206,40 +278,72 @@ wxObject* wxHtmlWinParser::GetProduct()
 
     top = m_Container;
     while (top->GetParent()) top = top->GetParent();
 
     top = m_Container;
     while (top->GetParent()) top = top->GetParent();

+    top->RemoveExtraSpacing(true, true);
+

     return top;
 }
 
 wxFSFile *wxHtmlWinParser::OpenURL(wxHtmlURLType type,
                                    const wxString& url) const
 {
     return top;
 }
 
 wxFSFile *wxHtmlWinParser::OpenURL(wxHtmlURLType type,
                                    const wxString& url) const
 {

-    // FIXME - normalize the URL to full path before passing to
-    //         OnOpeningURL!!
-    if ( m_Window )
+    if ( !m_windowInterface )
+        return wxHtmlParser::OpenURL(type, url);
+
+    wxString myurl(url);
+    wxHtmlOpeningStatus status;
+    for (;;)

     {
     {

-        wxString myurl(url);
-        wxHtmlOpeningStatus status;
-        for (;;)
-        {
-            wxString redirect;
-            status = m_Window->OnOpeningURL(type, myurl, &redirect);
-            if ( status != wxHTML_REDIRECT )
-                break;
+        wxString myfullurl(myurl);
+
+        // consider url as absolute path first
+        wxURI current(myurl);
+        myfullurl = current.BuildUnescapedURI();

 
 

-            myurl = redirect;
+        // if not absolute then ...
+        if( current.IsReference() )
+        {
+            wxString basepath = GetFS()->GetPath();
+            wxURI base(basepath);
+
+            // ... try to apply base path if valid ...
+            if( !base.IsReference() )
+            {
+                wxURI path(myfullurl);
+                path.Resolve( base );
+                myfullurl = path.BuildUnescapedURI();
+            }
+            else
+            {
+                // ... or force such addition if not included already
+                if( !current.GetPath().Contains(base.GetPath()) )
+                {
+                    basepath += myurl;
+                    wxURI connected( basepath );
+                    myfullurl = connected.BuildUnescapedURI();
+                }
+            }

         }
 
         }
 

-        if ( status == wxHTML_BLOCK )
-            return NULL;
+        wxString redirect;
+        status = m_windowInterface->OnHTMLOpeningURL(type, myfullurl, &redirect);
+        if ( status != wxHTML_REDIRECT )
+            break;

 
 

-        return GetFS()->OpenFile(myurl);
+        myurl = redirect;

     }
 
     }
 

-    return wxHtmlParser::OpenURL(type, url);
+    if ( status == wxHTML_BLOCK )
+        return NULL;
+
+    int flags = wxFS_READ;
+    if (type == wxHTML_URL_IMAGE)
+        flags |= wxFS_SEEKABLE;
+
+    return GetFS()->OpenFile(myurl, flags);

 }
 
 void wxHtmlWinParser::AddText(const wxChar* txt)
 {
 }
 
 void wxHtmlWinParser::AddText(const wxChar* txt)
 {

-    wxHtmlCell *c;

     size_t i = 0,
            x,
            lng = wxStrlen(txt);
     size_t i = 0,
            x,
            lng = wxStrlen(txt);


@@ -277,44 +381,40 @@ void wxHtmlWinParser::AddText(const wxChar* txt)
         if (x)
         {
             temp[templen-1] = wxT(' ');
         if (x)
         {
             temp[templen-1] = wxT(' ');

-            temp[templen] = 0;
-#if 0 // VS - WHY was this here?!
-            if (templen == 1) continue;
-#endif
-            templen = 0;
-#if !wxUSE_UNICODE
-            if (m_EncConv)
-                m_EncConv->Convert(temp);
-#endif
-            size_t len = wxStrlen(temp);
-            for (size_t j = 0; j < len; j++)
-                if (temp[j] == nbsp)
-                    temp[j] = wxT(' ');
-            c = new wxHtmlWordCell(temp, *(GetDC()));
-            if (m_UseLink)
-                c->SetLink(m_Link);
-            m_Container->InsertCell(c);
-            m_tmpLastWasSpace = TRUE;
+            DoAddText(temp, templen, nbsp);
+            m_tmpLastWasSpace = true;

         }
     }
 
     if (templen && (templen > 1 || temp[0] != wxT(' ')))
     {
         }
     }
 
     if (templen && (templen > 1 || temp[0] != wxT(' ')))
     {

-        temp[templen] = 0;
+        DoAddText(temp, templen, nbsp);
+        m_tmpLastWasSpace = false;
+    }
+}
+
+void wxHtmlWinParser::DoAddText(wxChar *temp, int& templen, wxChar nbsp)
+{
+    temp[templen] = 0;
+    templen = 0;

 #if !wxUSE_UNICODE
 #if !wxUSE_UNICODE

-        if (m_EncConv)
-            m_EncConv->Convert(temp);
+    if (m_EncConv)
+        m_EncConv->Convert(temp);

 #endif
 #endif

-        size_t len = wxStrlen(temp);
-        for (size_t j = 0; j < len; j++)
-            if (temp[j] == nbsp)
-                temp[j] = wxT(' ');
-        c = new wxHtmlWordCell(temp, *(GetDC()));
-        if (m_UseLink)
-            c->SetLink(m_Link);
-        m_Container->InsertCell(c);
-        m_tmpLastWasSpace = FALSE;
+    size_t len = wxStrlen(temp);
+    for (size_t j = 0; j < len; j++)
+    {
+        if (temp[j] == nbsp)
+            temp[j] = wxT(' ');

     }
     }

+
+    wxHtmlCell *c = new wxHtmlWordCell(temp, *(GetDC()));
+
+    ApplyStateToCell(c);
+
+    m_Container->InsertCell(c);
+    ((wxHtmlWordCell*)c)->SetPreviousWord(m_lastWordCell);
+    m_lastWordCell = (wxHtmlWordCell*)c;

 }
 
 
 }
 
 


@@ -323,7 +423,7 @@ wxHtmlContainerCell* wxHtmlWinParser::OpenContainer()
 {
     m_Container = new wxHtmlContainerCell(m_Container);
     m_Container->SetAlignHor(m_Align);
 {
     m_Container = new wxHtmlContainerCell(m_Container);
     m_Container->SetAlignHor(m_Align);

-    m_tmpLastWasSpace = TRUE;
+    m_tmpLastWasSpace = true;

         /* to avoid space being first character in paragraph */
     return m_Container;
 }
         /* to avoid space being first character in paragraph */
     return m_Container;
 }


@@ -332,7 +432,7 @@ wxHtmlContainerCell* wxHtmlWinParser::OpenContainer()
 
 wxHtmlContainerCell* wxHtmlWinParser::SetContainer(wxHtmlContainerCell *c)
 {
 
 wxHtmlContainerCell* wxHtmlWinParser::SetContainer(wxHtmlContainerCell *c)
 {

-    m_tmpLastWasSpace = TRUE;
+    m_tmpLastWasSpace = true;

         /* to avoid space being first character in paragraph */
     return m_Container = c;
 }
         /* to avoid space being first character in paragraph */
     return m_Container = c;
 }


@@ -388,7 +488,7 @@ wxFont* wxHtmlWinParser::CreateCurrentFont()
                        ff ? wxMODERN : wxSWISS,
                        fi ? wxITALIC : wxNORMAL,
                        fb ? wxBOLD : wxNORMAL,
                        ff ? wxMODERN : wxSWISS,
                        fi ? wxITALIC : wxNORMAL,
                        fb ? wxBOLD : wxNORMAL,

-                       fu ? TRUE : FALSE, face
+                       fu ? true : false, face

 #if wxUSE_UNICODE
                        );
 #else
 #if wxUSE_UNICODE
                        );
 #else


@@ -408,7 +508,6 @@ void wxHtmlWinParser::SetLink(const wxHtmlLinkInfo& link)
     m_UseLink = (link.GetHref() != wxEmptyString);
 }
 
     m_UseLink = (link.GetHref() != wxEmptyString);
 }
 

-

 void wxHtmlWinParser::SetFontFace(const wxString& face)
 {
     if (GetFontFixed()) m_FontFaceFixed = face;
 void wxHtmlWinParser::SetFontFace(const wxString& face)
 {
     if (GetFontFixed()) m_FontFaceFixed = face;


@@ -420,6 +519,15 @@ void wxHtmlWinParser::SetFontFace(const wxString& face)
 #endif
 }
 
 #endif
 }
 

+void wxHtmlWinParser::ApplyStateToCell(wxHtmlCell *cell)
+{
+    // set the link:
+    if (m_UseLink)
+        cell->SetLink(GetLink());
+
+    // apply current script mode settings:
+    cell->SetScriptMode(GetScriptMode(), GetScriptBaseline());
+}

 
 
 #if !wxUSE_UNICODE
 
 
 #if !wxUSE_UNICODE


@@ -444,20 +552,26 @@ void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
         m_OutputEnc = enc;
 
     // alternatives?
         m_OutputEnc = enc;
 
     // alternatives?

-    else if (wxFontMapper::Get()->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, FALSE) &&
-             wxFontMapper::Get()->GetAltForEncoding(enc, &altfix, m_FontFaceFixed, FALSE) &&
+    else if (wxFontMapper::Get()->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, false) &&
+             wxFontMapper::Get()->GetAltForEncoding(enc, &altfix, m_FontFaceFixed, false) &&

              altnorm == altfix)
         m_OutputEnc = altnorm;
 
     // at least normal face?
     else if (availnorm)
         m_OutputEnc = enc;
              altnorm == altfix)
         m_OutputEnc = altnorm;
 
     // at least normal face?
     else if (availnorm)
         m_OutputEnc = enc;

-    else if (wxFontMapper::Get()->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, FALSE))
+    else if (wxFontMapper::Get()->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, false))

         m_OutputEnc = altnorm;
 
         m_OutputEnc = altnorm;
 

-    // okay, let convert to ISO_8859-1, available always

     else
     else

+    {
+#ifndef __WXMAC__
+        // okay, let's convert to ISO_8859-1, available always

         m_OutputEnc = wxFONTENCODING_DEFAULT;
         m_OutputEnc = wxFONTENCODING_DEFAULT;

+#else
+        m_OutputEnc = wxLocale::GetSystemEncoding() ;
+#endif
+    }

 
     m_InputEnc = enc;
     if (m_OutputEnc == wxFONTENCODING_DEFAULT)
 
     m_InputEnc = enc;
     if (m_OutputEnc == wxFONTENCODING_DEFAULT)


@@ -472,7 +586,7 @@ void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
                            (m_OutputEnc == wxFONTENCODING_DEFAULT) ?
                                       wxFONTENCODING_ISO8859_1 : m_OutputEnc,
                            wxCONVERT_SUBSTITUTE))
                            (m_OutputEnc == wxFONTENCODING_DEFAULT) ?
                                       wxFONTENCODING_ISO8859_1 : m_OutputEnc,
                            wxCONVERT_SUBSTITUTE))

-    { // total failture :-(
+    { // total failure :-(

         wxLogError(_("Failed to display HTML document in %s encoding"),
                    wxFontMapper::GetEncodingName(enc).c_str());
         m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
         wxLogError(_("Failed to display HTML document in %s encoding"),
                    wxFontMapper::GetEncodingName(enc).c_str());
         m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;


@@ -507,7 +621,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxHtmlTagsModule, wxModule)
 bool wxHtmlTagsModule::OnInit()
 {
     wxHtmlWinParser::AddModule(this);
 bool wxHtmlTagsModule::OnInit()
 {
     wxHtmlWinParser::AddModule(this);

-    return TRUE;
+    return true;

 }
 
 void wxHtmlTagsModule::OnExit()
 }
 
 void wxHtmlTagsModule::OnExit()


@@ -516,4 +630,3 @@ void wxHtmlTagsModule::OnExit()
 }
 
 #endif
 }
 
 #endif

-