Made element layout consistent with wxMSW/wxGTK when

[wxWidgets.git] / src / unix / fontutil.cpp

diff --git a/src/unix/fontutil.cpp b/src/unix/fontutil.cpp
index 9e976bd3f03dc9c883d2ccbb916a66e127ed3e4c..e422117996645d276c7e23429997834dd584b893 100644 (file)
--- a/src/unix/fontutil.cpp
+++ b/src/unix/fontutil.cpp
@@ -6,7 +6,7 @@
 // Created:     05.11.99
 // RCS-ID:      $Id$
 // Copyright:   (c) Vadim Zeitlin
 // Created:     05.11.99
 // RCS-ID:      $Id$
 // Copyright:   (c) Vadim Zeitlin

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

 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

     #pragma implementation "fontutil.h"
 #endif
 
     #pragma implementation "fontutil.h"
 #endif
 


@@ -29,8 +29,204 @@
 #endif
 
 #ifndef WX_PRECOMP
 #endif
 
 #ifndef WX_PRECOMP

+    #include "wx/encinfo.h"

 #endif // PCH
 
 #endif // PCH
 

+#include "wx/fontutil.h"
+#include "wx/fontmap.h"
+#include "wx/tokenzr.h"
+#include "wx/hash.h"
+#include "wx/module.h"
+
+#if wxUSE_PANGO
+
+#include "pango/pango.h"
+
+#ifdef __WXGTK20__
+#include "wx/gtk/private.h"
+#else
+#include "wx/x11/private.h"
+#endif
+
+// ----------------------------------------------------------------------------
+// wxNativeFontInfo
+// ----------------------------------------------------------------------------
+
+void wxNativeFontInfo::Init()
+{
+    description = NULL;
+}
+
+int wxNativeFontInfo::GetPointSize() const
+{
+    return pango_font_description_get_size( description ) / PANGO_SCALE;
+}
+
+wxFontStyle wxNativeFontInfo::GetStyle() const
+{
+    wxFontStyle m_style = wxFONTSTYLE_NORMAL;
+
+    switch (pango_font_description_get_style( description ))
+    {
+        case PANGO_STYLE_NORMAL:
+            m_style = wxFONTSTYLE_NORMAL;
+            break;
+        case PANGO_STYLE_ITALIC:
+            m_style = wxFONTSTYLE_ITALIC;
+            break;
+        case PANGO_STYLE_OBLIQUE:
+            m_style = wxFONTSTYLE_SLANT;
+            break;
+    }
+
+    return m_style;
+}
+
+wxFontWeight wxNativeFontInfo::GetWeight() const
+{
+    wxFontWeight m_weight = wxFONTWEIGHT_NORMAL;
+
+    switch (pango_font_description_get_weight( description ))
+    {
+        case PANGO_WEIGHT_ULTRALIGHT:
+            m_weight = wxFONTWEIGHT_LIGHT;
+            break;
+        case PANGO_WEIGHT_LIGHT:
+            m_weight = wxFONTWEIGHT_LIGHT;
+            break;
+        case PANGO_WEIGHT_NORMAL:
+            m_weight = wxFONTWEIGHT_NORMAL;
+            break;
+        case PANGO_WEIGHT_BOLD:
+            m_weight = wxFONTWEIGHT_BOLD;
+            break;
+        case PANGO_WEIGHT_ULTRABOLD:
+            m_weight = wxFONTWEIGHT_BOLD;
+            break;
+        case PANGO_WEIGHT_HEAVY:
+            m_weight = wxFONTWEIGHT_BOLD;
+            break;
+    }
+
+    return m_weight;
+}
+
+bool wxNativeFontInfo::GetUnderlined() const
+{
+    return FALSE;
+}
+
+wxString wxNativeFontInfo::GetFaceName() const
+{
+    wxString tmp = wxGTK_CONV_BACK( pango_font_description_get_family( description ) );
+
+    return tmp;
+}
+
+wxFontFamily wxNativeFontInfo::GetFamily() const
+{
+    return wxFONTFAMILY_SWISS;
+}
+
+wxFontEncoding wxNativeFontInfo::GetEncoding() const
+{
+    return wxFONTENCODING_SYSTEM;
+}
+
+
+void wxNativeFontInfo::SetPointSize(int WXUNUSED(pointsize))
+{
+    wxFAIL_MSG( _T("not implemented") );
+}
+
+void wxNativeFontInfo::SetStyle(wxFontStyle WXUNUSED(style))
+{
+    wxFAIL_MSG( _T("not implemented") );
+}
+
+void wxNativeFontInfo::SetWeight(wxFontWeight WXUNUSED(weight))
+{
+    wxFAIL_MSG( _T("not implemented") );
+}
+
+void wxNativeFontInfo::SetUnderlined(bool WXUNUSED(underlined))
+{
+    wxFAIL_MSG( _T("not implemented") );
+}
+
+void wxNativeFontInfo::SetFaceName(wxString WXUNUSED(facename))
+{
+    wxFAIL_MSG( _T("not implemented") );
+}
+
+void wxNativeFontInfo::SetFamily(wxFontFamily WXUNUSED(family))
+{
+    wxFAIL_MSG( _T("not implemented") );
+}
+
+void wxNativeFontInfo::SetEncoding(wxFontEncoding WXUNUSED(encoding))
+{
+    wxFAIL_MSG( _T("not implemented") );
+}
+
+
+
+bool wxNativeFontInfo::FromString(const wxString& s)
+{
+    if (description)
+        pango_font_description_free( description );
+
+    description = pango_font_description_from_string( wxGTK_CONV( s ) );
+
+    return TRUE;
+}
+
+wxString wxNativeFontInfo::ToString() const
+{
+    char *str = pango_font_description_to_string( description );
+    wxString tmp = wxGTK_CONV_BACK(  str );
+    g_free( str );
+
+    return tmp;
+}
+
+bool wxNativeFontInfo::FromUserString(const wxString& s)
+{
+    return FromString( s );
+}
+
+wxString wxNativeFontInfo::ToUserString() const
+{
+    return ToString();
+}
+
+// ----------------------------------------------------------------------------
+// wxNativeEncodingInfo
+// ----------------------------------------------------------------------------
+
+bool wxNativeEncodingInfo::FromString(const wxString& s)
+{
+    return FALSE;
+}
+
+wxString wxNativeEncodingInfo::ToString() const
+{
+    return wxEmptyString;
+}
+
+bool wxTestFontEncoding(const wxNativeEncodingInfo& info)
+{
+    return TRUE;
+}
+
+bool wxGetNativeFontEncoding(wxFontEncoding encoding,
+                             wxNativeEncodingInfo *info)
+{
+    return FALSE;
+}
+
+#else // GTK+ 1.x
+

 #ifdef __X__
     #ifdef __VMS__
         #pragma message disable nosimpint
 #ifdef __X__
     #ifdef __VMS__
         #pragma message disable nosimpint


@@ -53,11 +249,6 @@
     #include <gdk/gdk.h>
 #endif
 
     #include <gdk/gdk.h>
 #endif
 

-#include "wx/fontutil.h"
-#include "wx/fontmap.h"
-#include "wx/tokenzr.h"
-#include "wx/hash.h"
-#include "wx/module.h"

 
 // ----------------------------------------------------------------------------
 // private data
 
 // ----------------------------------------------------------------------------
 // private data


@@ -71,7 +262,7 @@ static wxHashTable *g_fontHash = (wxHashTable*) NULL;
 
 // define the functions to create and destroy native fonts for this toolkit
 #ifdef __X__
 
 // define the functions to create and destroy native fonts for this toolkit
 #ifdef __X__

-    inline wxNativeFont wxLoadFont(const wxString& fontSpec)
+    wxNativeFont wxLoadFont(const wxString& fontSpec)

     {
         return XLoadQueryFont((Display *)wxGetDisplay(), fontSpec);
     }
     {
         return XLoadQueryFont((Display *)wxGetDisplay(), fontSpec);
     }


@@ -81,9 +272,15 @@ static wxHashTable *g_fontHash = (wxHashTable*) NULL;
         XFreeFont((Display *)wxGetDisplay(), (XFontStruct *)font);
     }
 #elif defined(__WXGTK__)
         XFreeFont((Display *)wxGetDisplay(), (XFontStruct *)font);
     }
 #elif defined(__WXGTK__)

-    inline wxNativeFont wxLoadFont(const wxString& fontSpec)
+    wxNativeFont wxLoadFont(const wxString& fontSpec)

     {
     {

-       return gdk_font_load( wxConvertWX2MB(fontSpec) );
+        // VZ: we should use gdk_fontset_load() instead of gdk_font_load()
+        //     here to be able to display Japanese fonts correctly (at least
+        //     this is what people report) but unfortunately doing it results
+        //     in tons of warnings when using GTK with "normal" European
+        //     languages and so we can't always do it and I don't know enough
+        //     to determine when should this be done... (FIXME)
+        return gdk_font_load( wxConvertWX2MB(fontSpec) );

     }
 
     inline void wxFreeFont(wxNativeFont font)
     }
 
     inline void wxFreeFont(wxNativeFont font)


@@ -236,11 +433,21 @@ bool wxNativeFontInfo::FromXFontName(const wxString& fontname)
             return FALSE;
         }
 
             return FALSE;
         }
 

-        fontElements[n] = tokenizer.GetNextToken();
+        wxString field = tokenizer.GetNextToken();
+        if ( !field.empty() && field != _T('*') )
+        {
+            // we're really initialized now
+            m_isDefault = FALSE;
+        }
+
+        fontElements[n] = field;

     }
 
     // this should be all
     }
 
     // this should be all

-    return !tokenizer.HasMoreTokens();
+    if ( tokenizer.HasMoreTokens() )
+        return FALSE;
+
+    return TRUE;

 }
 
 wxString wxNativeFontInfo::GetXFontName() const
 }
 
 wxString wxNativeFontInfo::GetXFontName() const


@@ -301,6 +508,164 @@ void wxNativeFontInfo::SetXFontName(const wxString& xFontName_)
     m_isDefault = FALSE;
 }
 
     m_isDefault = FALSE;
 }
 

+int wxNativeFontInfo::GetPointSize() const
+{
+    const wxString s = GetXFontComponent(wxXLFD_POINTSIZE);
+
+    // return -1 to indicate that the size is unknown
+    long l;
+    return s.ToLong(&l) ? l : -1;
+}
+
+wxFontStyle wxNativeFontInfo::GetStyle() const
+{
+    const wxString s = GetXFontComponent(wxXLFD_SLANT);
+
+    if ( s.length() != 1 )
+    {
+        // it is really unknown but we don't have any way to return it from
+        // here
+        return wxFONTSTYLE_NORMAL;
+    }
+
+    switch ( s[0] )
+    {
+        default:
+            // again, unknown but consider normal by default
+
+        case _T('r'):
+            return wxFONTSTYLE_NORMAL;
+
+        case _T('i'):
+            return wxFONTSTYLE_ITALIC;
+
+        case _T('o'):
+            return wxFONTSTYLE_SLANT;
+    }
+}
+
+wxFontWeight wxNativeFontInfo::GetWeight() const
+{
+    const wxString s = GetXFontComponent(wxXLFD_WEIGHT).MakeLower();
+    if ( s.find(_T("bold")) != wxString::npos || s == _T("black") )
+        return wxFONTWEIGHT_BOLD;
+    else if ( s == _T("light") )
+        return wxFONTWEIGHT_LIGHT;
+
+    return wxFONTWEIGHT_NORMAL;
+}
+
+bool wxNativeFontInfo::GetUnderlined() const
+{
+    // X fonts are never underlined
+    return FALSE;
+}
+
+wxString wxNativeFontInfo::GetFaceName() const
+{
+    // wxWindows facename probably more accurately corresponds to X family
+    return GetXFontComponent(wxXLFD_FAMILY);
+}
+
+wxFontFamily wxNativeFontInfo::GetFamily() const
+{
+    // and wxWindows family -- to X foundry, but we have to translate it to
+    // wxFontFamily somehow...
+    wxFAIL_MSG(_T("not implemented")); // GetXFontComponent(wxXLFD_FOUNDRY);
+
+    return wxFONTFAMILY_DEFAULT;
+}
+
+wxFontEncoding wxNativeFontInfo::GetEncoding() const
+{
+    // we already have the code for this but need to refactor it first
+    wxFAIL_MSG( _T("not implemented") );
+
+    return wxFONTENCODING_MAX;
+}
+
+void wxNativeFontInfo::SetPointSize(int pointsize)
+{
+    SetXFontComponent(wxXLFD_POINTSIZE, wxString::Format(_T("%d"), pointsize));
+}
+
+void wxNativeFontInfo::SetStyle(wxFontStyle style)
+{
+    wxString s;
+    switch ( style )
+    {
+        case wxFONTSTYLE_ITALIC:
+            s = _T('i');
+            break;
+
+        case wxFONTSTYLE_SLANT:
+            s = _T('o');
+            break;
+
+        case wxFONTSTYLE_NORMAL:
+            s = _T('r');
+
+        default:
+            wxFAIL_MSG( _T("unknown wxFontStyle in wxNativeFontInfo::SetStyle") );
+            return;
+    }
+
+    SetXFontComponent(wxXLFD_SLANT, s);
+}
+
+void wxNativeFontInfo::SetWeight(wxFontWeight weight)
+{
+    wxString s;
+    switch ( weight )
+    {
+        case wxFONTWEIGHT_BOLD:
+            s = _T("bold");
+            break;
+
+        case wxFONTWEIGHT_LIGHT:
+            s = _T("light");
+            break;
+
+        case wxFONTWEIGHT_NORMAL:
+            s = _T("medium");
+            break;
+
+        default:
+            wxFAIL_MSG( _T("unknown wxFontWeight in wxNativeFontInfo::SetWeight") );
+            return;
+    }
+
+    SetXFontComponent(wxXLFD_WEIGHT, s);
+}
+
+void wxNativeFontInfo::SetUnderlined(bool WXUNUSED(underlined))
+{
+    // can't do this under X
+}
+
+void wxNativeFontInfo::SetFaceName(wxString facename)
+{
+    SetXFontComponent(wxXLFD_FAMILY, facename);
+}
+
+void wxNativeFontInfo::SetFamily(wxFontFamily family)
+{
+    // wxFontFamily -> X foundry, anyone?
+    wxFAIL_MSG( _T("not implemented") );
+
+    // SetXFontComponent(wxXLFD_FOUNDRY, ...);
+}
+
+void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding)
+{
+    wxNativeEncodingInfo info;
+    if ( wxGetNativeFontEncoding(encoding, &info) )
+    {
+        SetXFontComponent(wxXLFD_ENCODING, info.xencoding);
+        SetXFontComponent(wxXLFD_REGISTRY, info.xregistry);
+    }
+}
+

 // ----------------------------------------------------------------------------
 // common functions
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // common functions
 // ----------------------------------------------------------------------------


@@ -344,6 +709,11 @@ bool wxGetNativeFontEncoding(wxFontEncoding encoding,
             info->xencoding = wxT("*");
             break;
 
             info->xencoding = wxT("*");
             break;
 

+        case wxFONTENCODING_GB2312:
+            info->xregistry = wxT("GB2312");   // or the otherway round? 
+            info->xencoding = wxT("*");
+            break;
+

         case wxFONTENCODING_KOI8:
             info->xregistry = wxT("koi8");
 
         case wxFONTENCODING_KOI8:
             info->xregistry = wxT("koi8");
 


@@ -425,7 +795,7 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize,
              !wxTestFontEncoding(info) )
         {
 #if wxUSE_FONTMAP
              !wxTestFontEncoding(info) )
         {
 #if wxUSE_FONTMAP

-            if ( !wxTheFontMapper->GetAltForEncoding(encoding, &info) )
+            if ( !wxFontMapper::Get()->GetAltForEncoding(encoding, &info) )

 #endif // wxUSE_FONTMAP
             {
                 // unspported encoding - replace it with the default
 #endif // wxUSE_FONTMAP
             {
                 // unspported encoding - replace it with the default


@@ -455,7 +825,7 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize,
 
         (void) tokenizer.NextToken();
 
 
         (void) tokenizer.NextToken();
 

-        newFontName += wxString::Format("%d-", pointSize);
+        newFontName += wxString::Format(wxT("%d-"), pointSize);

 
         while(tokenizer.HasMoreTokens())
           newFontName += tokenizer.GetNextToken();
 
         while(tokenizer.HasMoreTokens())
           newFontName += tokenizer.GetNextToken();


@@ -466,27 +836,49 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize,
           *xFontName = newFontName;
     }
 
           *xFontName = newFontName;
     }
 

-    // try to load exactly the font requested first
-    if( !font )
-    {
-        font = wxLoadQueryFont( pointSize, family, style, weight,
-                                underlined, facename,
-                                info.xregistry, info.xencoding,
-                                xFontName );
-    }
-

     if ( !font )
     {
         // search up and down by stepsize 10
         int max_size = pointSize + 20 * (1 + (pointSize/180));
         int min_size = pointSize - 20 * (1 + (pointSize/180));
 
     if ( !font )
     {
         // search up and down by stepsize 10
         int max_size = pointSize + 20 * (1 + (pointSize/180));
         int min_size = pointSize - 20 * (1 + (pointSize/180));
 

-        int i;
+        int i, round; // counters
+
+        // first round: search for equal, then for smaller and for larger size with the given weight and style
+        int testweight = weight;
+        int teststyle = style;

 
 

-        // Search for smaller size (approx.)
-        for ( i = pointSize - 10; !font && i >= 10 && i >= min_size; i -= 10 )
+        for ( round = 0; round < 3; round++ )

         {
         {

-            font = wxLoadQueryFont(i, family, style, weight, underlined,
+            // second round: use normal weight
+            if ( round == 1 )
+        {
+                if ( testweight != wxNORMAL )
+                {
+                    testweight = wxNORMAL;
+                }
+                else
+                {
+                    ++round; // fall through to third round
+                }
+            }
+
+            // third round: ... and use normal style
+            if ( round == 2 )
+            {
+                if ( teststyle != wxNORMAL )
+                {
+                    teststyle = wxNORMAL;
+                }
+                else
+                {
+                    break;
+                }
+            }
+            // Search for equal or smaller size (approx.)
+            for ( i = pointSize; !font && i >= 10 && i >= min_size; i -= 10 )
+            {
+                font = wxLoadQueryFont(i, family, teststyle, testweight, underlined,

                                    facename, info.xregistry, info.xencoding,
                                    xFontName);
         }
                                    facename, info.xregistry, info.xencoding,
                                    xFontName);
         }


@@ -494,9 +886,10 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize,
         // Search for larger size (approx.)
         for ( i = pointSize + 10; !font && i <= max_size; i += 10 )
         {
         // Search for larger size (approx.)
         for ( i = pointSize + 10; !font && i <= max_size; i += 10 )
         {

-            font = wxLoadQueryFont(i, family, style, weight, underlined,
+                font = wxLoadQueryFont(i, family, teststyle, testweight, underlined,

                                    facename, info.xregistry, info.xencoding,
                                    xFontName);
                                    facename, info.xregistry, info.xencoding,
                                    xFontName);

+            }

         }
 
         // Try default family
         }
 
         // Try default family


@@ -613,7 +1006,77 @@ static wxNativeFont wxLoadQueryFont(int pointSize,
         case wxSCRIPT:     xfamily = wxT("utopia"); break;
         default:           xfamily = wxT("*");
     }
         case wxSCRIPT:     xfamily = wxT("utopia"); break;
         default:           xfamily = wxT("*");
     }

+#if wxUSE_NANOX
+    int xweight;
+    switch (weight)
+    {
+         case wxBOLD:
+             {
+                 xweight = MWLF_WEIGHT_BOLD;
+                 break;
+             }
+        case wxLIGHT:
+             {
+                 xweight = MWLF_WEIGHT_LIGHT;
+                 break;
+             }
+         case wxNORMAL:
+             {
+                 xweight = MWLF_WEIGHT_NORMAL;
+                 break;
+             }
+
+     default:
+             {
+                 xweight = MWLF_WEIGHT_DEFAULT;
+                 break;
+             }
+    }
+    GR_SCREEN_INFO screenInfo;
+    GrGetScreenInfo(& screenInfo);
+
+    int yPixelsPerCM = screenInfo.ydpcm;
+
+    // A point is 1/72 of an inch.
+    // An inch is 2.541 cm.
+    // So pixelHeight = (pointSize / 72) (inches) * 2.541 (for cm) * yPixelsPerCM (for pixels)
+    // In fact pointSize is 10 * the normal point size so
+    // divide by 10.
+
+    int pixelHeight = (int) ( (((float)pointSize) / 720.0) * 2.541 * (float) yPixelsPerCM) ;
+
+    // An alternative: assume that the screen is 72 dpi.
+    //int pixelHeight = (int) (((float)pointSize / 720.0) * 72.0) ;
+    //int pixelHeight = (int) ((float)pointSize / 10.0) ;
+
+    GR_LOGFONT logFont;
+    logFont.lfHeight = pixelHeight;
+    logFont.lfWidth = 0;
+    logFont.lfEscapement = 0;
+    logFont.lfOrientation = 0;
+    logFont.lfWeight = xweight;
+    logFont.lfItalic = (style == wxNORMAL ? 0 : 1) ;
+    logFont.lfUnderline = 0;
+    logFont.lfStrikeOut = 0;
+    logFont.lfCharSet = MWLF_CHARSET_DEFAULT; // TODO: select appropriate one
+    logFont.lfOutPrecision = MWLF_TYPE_DEFAULT;
+    logFont.lfClipPrecision = 0; // Not used
+    logFont.lfRoman = (family == wxROMAN ? 1 : 0) ;
+    logFont.lfSerif = (family == wxSWISS ? 0 : 1) ;
+    logFont.lfSansSerif = !logFont.lfSerif ;
+    logFont.lfModern = (family == wxMODERN ? 1 : 0) ;
+    logFont.lfProportional = (family == wxTELETYPE ? 0 : 1) ;
+    logFont.lfOblique = 0;
+    logFont.lfSmallCaps = 0;
+    logFont.lfPitch = 0; // 0 = default
+    strcpy(logFont.lfFaceName, facename.c_str());
+
+    XFontStruct* fontInfo = (XFontStruct*) malloc(sizeof(XFontStruct));
+    fontInfo->fid = GrCreateFont((GR_CHAR*) facename.c_str(), pixelHeight, & logFont);
+    GrGetFontInfo(fontInfo->fid, & fontInfo->info);
+    return (wxNativeFont) fontInfo;

 
 

+#else

     wxString fontSpec;
     if (!facename.IsEmpty())
     {
     wxString fontSpec;
     if (!facename.IsEmpty())
     {


@@ -771,7 +1234,7 @@ static wxNativeFont wxLoadQueryFont(int pointSize,
 
     // if pointSize is -1, don't specify any
     wxString sizeSpec;
 
     // if pointSize is -1, don't specify any
     wxString sizeSpec;

-    if ( fontSpec == -1 )
+    if ( pointSize == -1 )

     {
         sizeSpec = _T('*');
     }
     {
         sizeSpec = _T('*');
     }


@@ -789,6 +1252,8 @@ static wxNativeFont wxLoadQueryFont(int pointSize,
         *xFontName = fontSpec;
 
     return wxLoadFont(fontSpec);
         *xFontName = fontSpec;
 
     return wxLoadFont(fontSpec);

+#endif
+    // wxUSE_NANOX

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -820,3 +1285,6 @@ void wxFontModule::OnExit()
 
     g_fontHash = (wxHashTable *)NULL;
 }
 
     g_fontHash = (wxHashTable *)NULL;
 }

+
+#endif // GTK 2.0/1.x
+