Added missing includes

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

diff --git a/src/html/winpars.cpp b/src/html/winpars.cpp
index e702952b46752f0fe4b7d316939f6450ba2dd26b..5054e70b29cca5b61f4318cb73cdaa59de557d9f 100644 (file)
--- a/src/html/winpars.cpp
+++ b/src/html/winpars.cpp
@@ -15,17 +15,17 @@
 
 #if wxUSE_HTML && wxUSE_STREAMS
 
 
 #if wxUSE_HTML && wxUSE_STREAMS
 

-#ifndef WXPRECOMP
+#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/settings.h"

 #include "wx/uri.h"
 
 
 #include "wx/uri.h"
 
 


@@ -47,6 +47,7 @@ wxHtmlWinParser::wxHtmlWinParser(wxHtmlWindowInterface *wndIface)
     m_CharHeight = m_CharWidth = 0;
     m_UseLink = false;
 #if !wxUSE_UNICODE
     m_CharHeight = m_CharWidth = 0;
     m_UseLink = false;
 #if !wxUSE_UNICODE

+    m_nbsp = 0;

     m_EncConv = NULL;
     m_InputEnc = wxFONTENCODING_ISO8859_1;
     m_OutputEnc = wxFONTENCODING_DEFAULT;
     m_EncConv = NULL;
     m_InputEnc = wxFONTENCODING_ISO8859_1;
     m_OutputEnc = wxFONTENCODING_DEFAULT;


@@ -110,25 +111,50 @@ void wxHtmlWinParser::RemoveModule(wxHtmlTagsModule *module)
     m_Modules.DeleteObject(module);
 }
 
     m_Modules.DeleteObject(module);
 }
 

-void wxHtmlWinParser::SetFonts(const wxString& normal_face, const 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
-        };
+    static int default_sizes[7] = { 0 };
+    if ( !sizes )
+    {
+        if ( !default_sizes[0] )
+            wxBuildFontSizes(default_sizes, wxGetDefaultHTMLFontSize());

 
 

-    if (sizes == NULL) sizes = default_sizes;
+        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;
 


@@ -153,22 +179,15 @@ void wxHtmlWinParser::SetStandardFonts(int size,
                                        const wxString& normal_face,
                                        const wxString& fixed_face)
 {
                                        const wxString& normal_face,
                                        const wxString& fixed_face)
 {

-    wxFont defaultFont = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
-
-    int f_sizes[7];

     if (size == -1)
     if (size == -1)

-        size = defaultFont.GetPointSize();
+        size = wxGetDefaultHTMLFontSize();

 
 

-    f_sizes[0] = int(size * 0.6);
-    f_sizes[1] = int(size * 0.8);
-    f_sizes[2] = size;
-    f_sizes[3] = int(size * 1.2);
-    f_sizes[4] = int(size * 1.4);
-    f_sizes[5] = int(size * 1.6);
-    f_sizes[6] = int(size * 1.8);
+    int f_sizes[7];
+    wxBuildFontSizes(f_sizes, size);

 
 

-    wxString normal = normal_face.empty() ?
-                      defaultFont.GetFaceName() : normal_face;
+    wxString normal = normal_face;
+    if ( normal.empty() )
+        normal = wxNORMAL_FONT->GetFaceName();

 
     SetFonts(normal, fixed_face, f_sizes);
 }
 
     SetFonts(normal, fixed_face, f_sizes);
 }


@@ -181,10 +200,13 @@ 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
-                 */
+    
+    // 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_UseLink = false;
     m_Link = wxHtmlLinkInfo( wxEmptyString );


@@ -196,7 +218,11 @@ void wxHtmlWinParser::InitParser(const wxString& source)
     m_tmpLastWasSpace = false;
     m_lastWordCell = NULL;
 
     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


@@ -310,18 +336,19 @@ wxFSFile *wxHtmlWinParser::OpenURL(wxHtmlURLType type,
     if ( status == wxHTML_BLOCK )
         return NULL;
 
     if ( status == wxHTML_BLOCK )
         return NULL;
 

-    return GetFS()->OpenFile(myurl);
+    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 wxString& txt)

 {
 {

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

     register wxChar d;
     int templen = 0;
     register wxChar d;
     int templen = 0;

-    wxChar nbsp = GetEntitiesParser()->GetCharForCode(160 /* nbsp */);

 
 

+    size_t lng = txt.length();

     if (lng+1 > m_tmpStrBufSize)
     {
         delete[] m_tmpStrBuf;
     if (lng+1 > m_tmpStrBufSize)
     {
         delete[] m_tmpStrBuf;


@@ -330,42 +357,63 @@ void wxHtmlWinParser::AddText(const wxChar* txt)
     }
     wxChar *temp = m_tmpStrBuf;
 
     }
     wxChar *temp = m_tmpStrBuf;
 

+    wxString::const_iterator i = txt.begin();
+    wxString::const_iterator end = txt.end();
+

     if (m_tmpLastWasSpace)
     {
     if (m_tmpLastWasSpace)
     {

-        while ((i < lng) &&
-               ((txt[i] == wxT('\n')) || (txt[i] == wxT('\r')) || (txt[i] == wxT(' ')) ||
-                (txt[i] == wxT('\t')))) i++;
+        while ( (i < end) &&
+                (*i == wxT('\n') || *i == wxT('\r') || *i == wxT(' ') ||
+                 *i == wxT('\t')) )
+        {
+            ++i;
+        }

     }
 
     }
 

-    while (i < lng)
+    while (i < end)

     {
     {

-        x = 0;
-        d = temp[templen++] = txt[i];
+        size_t x = 0;
+        d = temp[templen++] = *i;

         if ((d == wxT('\n')) || (d == wxT('\r')) || (d == wxT(' ')) || (d == wxT('\t')))
         {
         if ((d == wxT('\n')) || (d == wxT('\r')) || (d == wxT(' ')) || (d == wxT('\t')))
         {

-            i++, x++;
-            while ((i < lng) && ((txt[i] == wxT('\n')) || (txt[i] == wxT('\r')) ||
-                                 (txt[i] == wxT(' ')) || (txt[i] == wxT('\t')))) i++, x++;
+            ++i, ++x;
+            while ( (i < end) &&
+                    (*i == wxT('\n') || *i == wxT('\r') ||
+                     *i == wxT(' ') || *i == wxT('\t')) )
+            {
+                ++i;
+                ++x;
+            }

         }
         }

-        else i++;
+        else
+            ++i;

 
         if (x)
         {
             temp[templen-1] = wxT(' ');
 
         if (x)
         {
             temp[templen-1] = wxT(' ');

-            DoAddText(temp, templen, nbsp);
+            DoAddText(temp, templen);

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

-        DoAddText(temp, templen, nbsp);
+        DoAddText(temp, templen);

         m_tmpLastWasSpace = false;
     }
 }
 
         m_tmpLastWasSpace = false;
     }
 }
 

-void wxHtmlWinParser::DoAddText(wxChar *temp, int& templen, wxChar nbsp)
+void wxHtmlWinParser::DoAddText(wxChar *temp, int& templen)

 {
 {

+    #define NBSP_UNICODE_VALUE 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
+

     temp[templen] = 0;
     templen = 0;
 #if !wxUSE_UNICODE
     temp[templen] = 0;
     templen = 0;
 #if !wxUSE_UNICODE


@@ -375,7 +423,7 @@ void wxHtmlWinParser::DoAddText(wxChar *temp, int& templen, wxChar nbsp)
     size_t len = wxStrlen(temp);
     for (size_t j = 0; j < len; j++)
     {
     size_t len = wxStrlen(temp);
     for (size_t j = 0; j < len; j++)
     {

-        if (temp[j] == nbsp)
+        if (temp[j] == CUR_NBSP_VALUE)

             temp[j] = wxT(' ');
     }
 
             temp[j] = wxT(' ');
     }
 


@@ -504,6 +552,9 @@ void wxHtmlWinParser::ApplyStateToCell(wxHtmlCell *cell)
 #if !wxUSE_UNICODE
 void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
 {
 #if !wxUSE_UNICODE
 void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
 {

+    // the character used for non-breakable space may change:
+    m_nbsp = 0;
+

     m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
     if (m_EncConv)
     {
     m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
     if (m_EncConv)
     {


@@ -537,7 +588,7 @@ void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
     else
     {
 #ifndef __WXMAC__
     else
     {
 #ifndef __WXMAC__

-        // okay, let convert to ISO_8859-1, available always
+        // okay, let's convert to ISO_8859-1, available always

         m_OutputEnc = wxFONTENCODING_DEFAULT;
 #else
         m_OutputEnc = wxLocale::GetSystemEncoding() ;
         m_OutputEnc = wxFONTENCODING_DEFAULT;
 #else
         m_OutputEnc = wxLocale::GetSystemEncoding() ;


@@ -557,7 +608,7 @@ 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;