X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ad81651f00edc6f489d9b6a0839d316a964fd521..1abfa172c547a37751e598084fb8d541071471a3:/src/motif/font.cpp

diff --git a/src/motif/font.cpp b/src/motif/font.cpp
index e112ff2d26..fc503f190f 100644
--- a/src/motif/font.cpp
+++ b/src/motif/font.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        font.cpp
+// Name:        src/motif/font.cpp
 // Purpose:     wxFont class
 // Author:      Julian Smart
 // Modified by:
@@ -17,26 +17,32 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "font.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
 #ifdef __VMS
 #pragma message disable nosimpint
+#include "wx/vms_x_fix.h"
 #endif
 #include <Xm/Xm.h>
 #ifdef __VMS
 #pragma message enable nosimpint
 #endif
 
-#include "wx/defs.h"
-#include "wx/string.h"
 #include "wx/font.h"
-#include "wx/gdicmn.h"
-#include "wx/utils.h"       // for wxGetDisplay()
-#include "wx/fontutil.h"
 
-    IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
+#ifndef WX_PRECOMP
+    #include "wx/string.h"
+    #include "wx/utils.h"       // for wxGetDisplay()
+    #include "wx/settings.h"
+    #include "wx/gdicmn.h"
+#endif
+
+#include "wx/fontutil.h"    // for wxNativeFontInfo
+#include "wx/tokenzr.h"
+#include "wx/motif/private.h"
+
+IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
 
 // ----------------------------------------------------------------------------
 // private classes
@@ -48,24 +54,31 @@ class wxXFont : public wxObject
 {
 public:
     wxXFont();
-    ~wxXFont();
+    virtual ~wxXFont();
 
+#if !wxMOTIF_NEW_FONT_HANDLING
     WXFontStructPtr     m_fontStruct;   // XFontStruct
+#endif
+#if !wxMOTIF_USE_RENDER_TABLE
     WXFontList          m_fontList;     // Motif XmFontList
+#else // if wxMOTIF_USE_RENDER_TABLE
+    WXRenderTable       m_renderTable;  // Motif XmRenderTable
+    WXRendition         m_rendition;    // Motif XmRendition
+#endif
     WXDisplay*          m_display;      // XDisplay
     int                 m_scale;        // Scale * 100
 };
 
 class wxFontRefData: public wxGDIRefData
 {
-friend class wxFont;
+    friend class wxFont;
 
 public:
     wxFontRefData(int size = wxDEFAULT,
                   int family = wxDEFAULT,
                   int style = wxDEFAULT,
                   int weight = wxDEFAULT,
-                  bool underlined = FALSE,
+                  bool underlined = false,
                   const wxString& faceName = wxEmptyString,
                   wxFontEncoding encoding = wxFONTENCODING_DEFAULT)
     {
@@ -78,7 +91,7 @@ public:
              data.m_underlined, data.m_faceName, data.m_encoding);
     }
 
-    ~wxFontRefData();
+    virtual ~wxFontRefData();
 
 protected:
     // common part of all ctors
@@ -99,6 +112,8 @@ protected:
     wxString      m_faceName;
     wxFontEncoding m_encoding;
 
+    wxNativeFontInfo m_nativeFontInfo;
+
     // A list of wxXFonts
     wxList        m_fonts;
 };
@@ -113,20 +128,35 @@ protected:
 
 wxXFont::wxXFont()
 {
+#if !wxMOTIF_NEW_FONT_HANDLING
     m_fontStruct = (WXFontStructPtr) 0;
+#endif
+#if !wxMOTIF_USE_RENDER_TABLE
     m_fontList = (WXFontList) 0;
+#else // if wxMOTIF_USE_RENDER_TABLE
+    m_renderTable = (WXRenderTable) 0;
+    m_rendition   = (WXRendition) 0;
+#endif
     m_display = (WXDisplay*) 0;
     m_scale = 100;
 }
 
 wxXFont::~wxXFont()
 {
-    XmFontList fontList = (XmFontList) m_fontList;
-
-    XmFontListFree (fontList);
+#if !wxMOTIF_USE_RENDER_TABLE
+    if (m_fontList)
+        XmFontListFree ((XmFontList) m_fontList);
+    m_fontList = NULL;
+#else // if wxMOTIF_USE_RENDER_TABLE
+    if (m_renderTable)
+        XmRenderTableFree ((XmRenderTable) m_renderTable);
+    m_renderTable = NULL;
+#endif
 
     // TODO: why does freeing the font produce a segv???
     // Note that XFreeFont wasn't called in wxWin 1.68 either.
+    // MBN: probably some interaction with fonts being still
+    //      in use in some widgets...
     // XFontStruct* fontStruct = (XFontStruct*) m_fontStruct;
     //        XFreeFont((Display*) m_display, fontStruct);
 }
@@ -171,24 +201,25 @@ void wxFontRefData::Init(int pointSize,
 
 wxFontRefData::~wxFontRefData()
 {
-    wxNode* node = m_fonts.First();
+    wxList::compatibility_iterator node = m_fonts.GetFirst();
     while (node)
     {
-        wxXFont* f = (wxXFont*) node->Data();
+        wxXFont* f = (wxXFont*) node->GetData();
         delete f;
-        node = node->Next();
+        node = node->GetNext();
     }
     m_fonts.Clear();
 }
 
+#define M_FONTDATA ((wxFontRefData*)m_refData)
+
 // ----------------------------------------------------------------------------
 // wxFont
 // ----------------------------------------------------------------------------
 
-void wxFont::Init()
+wxFont::wxFont(const wxNativeFontInfo& info)
 {
-    if ( wxTheFontList )
-        wxTheFontList->Append(this);
+    (void)Create(info.GetXFontName());
 }
 
 bool wxFont::Create(int pointSize,
@@ -203,15 +234,114 @@ bool wxFont::Create(int pointSize,
     m_refData = new wxFontRefData(pointSize, family, style, weight,
                                   underlined, faceName, encoding);
 
-    RealizeResource();
+    return true;
+}
+
+bool wxFont::Create(const wxString& fontname, wxFontEncoding enc)
+{
+    if( !fontname )
+    {
+        *this = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT);
+        return true;
+    }
+
+    m_refData = new wxFontRefData();
+
+    M_FONTDATA->m_nativeFontInfo.SetXFontName(fontname);  // X font name
+
+    wxString tmp;
+
+    wxStringTokenizer tn( fontname, wxT("-") );
+
+    tn.GetNextToken();                           // skip initial empty token
+    tn.GetNextToken();                           // foundry
+
+
+    M_FONTDATA->m_faceName = tn.GetNextToken();  // family
+
+    tmp = tn.GetNextToken().MakeUpper();         // weight
+    if (tmp == wxT("BOLD")) M_FONTDATA->m_weight = wxBOLD;
+    if (tmp == wxT("BLACK")) M_FONTDATA->m_weight = wxBOLD;
+    if (tmp == wxT("EXTRABOLD")) M_FONTDATA->m_weight = wxBOLD;
+    if (tmp == wxT("DEMIBOLD")) M_FONTDATA->m_weight = wxBOLD;
+    if (tmp == wxT("ULTRABOLD")) M_FONTDATA->m_weight = wxBOLD;
+
+    if (tmp == wxT("LIGHT")) M_FONTDATA->m_weight = wxLIGHT;
+    if (tmp == wxT("THIN")) M_FONTDATA->m_weight = wxLIGHT;
+
+    tmp = tn.GetNextToken().MakeUpper();        // slant
+    if (tmp == wxT("I")) M_FONTDATA->m_style = wxITALIC;
+    if (tmp == wxT("O")) M_FONTDATA->m_style = wxITALIC;
 
-    return TRUE;
+    tn.GetNextToken();                           // set width
+    tn.GetNextToken();                           // add. style
+    tn.GetNextToken();                           // pixel size
+
+    tmp = tn.GetNextToken();                     // pointsize
+    if (tmp != wxT("*"))
+    {
+        long num = wxStrtol (tmp.mb_str(), (wxChar **) NULL, 10);
+        M_FONTDATA->m_pointSize = (int)(num / 10);
+    }
+
+    tn.GetNextToken();                           // x-res
+    tn.GetNextToken();                           // y-res
+
+    tmp = tn.GetNextToken().MakeUpper();         // spacing
+
+    if (tmp == wxT("M"))
+        M_FONTDATA->m_family = wxMODERN;
+    else if (M_FONTDATA->m_faceName == wxT("TIMES"))
+        M_FONTDATA->m_family = wxROMAN;
+    else if (M_FONTDATA->m_faceName == wxT("HELVETICA"))
+        M_FONTDATA->m_family = wxSWISS;
+    else if (M_FONTDATA->m_faceName == wxT("LUCIDATYPEWRITER"))
+        M_FONTDATA->m_family = wxTELETYPE;
+    else if (M_FONTDATA->m_faceName == wxT("LUCIDA"))
+        M_FONTDATA->m_family = wxDECORATIVE;
+    else if (M_FONTDATA->m_faceName == wxT("UTOPIA"))
+        M_FONTDATA->m_family = wxSCRIPT;
+
+    tn.GetNextToken();                           // avg width
+
+    // deal with font encoding
+    M_FONTDATA->m_encoding = enc;
+    if ( M_FONTDATA->m_encoding == wxFONTENCODING_SYSTEM )
+    {
+        wxString registry = tn.GetNextToken().MakeUpper(),
+                 encoding = tn.GetNextToken().MakeUpper();
+
+        if ( registry == _T("ISO8859") )
+        {
+            int cp;
+            if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 )
+            {
+                M_FONTDATA->m_encoding =
+                    (wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1);
+            }
+        }
+        else if ( registry == _T("MICROSOFT") )
+        {
+            int cp;
+            if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 )
+            {
+                M_FONTDATA->m_encoding =
+                    (wxFontEncoding)(wxFONTENCODING_CP1250 + cp);
+            }
+        }
+        else if ( registry == _T("KOI8") )
+        {
+            M_FONTDATA->m_encoding = wxFONTENCODING_KOI8;
+        }
+        //else: unknown encoding - may be give a warning here?
+        else
+            return false;
+    }
+    return true;
 }
 
 wxFont::~wxFont()
 {
-    if ( wxTheFontList )
-        wxTheFontList->DeleteObject(this);
 }
 
 // ----------------------------------------------------------------------------
@@ -238,8 +368,7 @@ void wxFont::SetPointSize(int pointSize)
     Unshare();
 
     M_FONTDATA->m_pointSize = pointSize;
-
-    RealizeResource();
+    M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now
 }
 
 void wxFont::SetFamily(int family)
@@ -247,8 +376,7 @@ void wxFont::SetFamily(int family)
     Unshare();
 
     M_FONTDATA->m_family = family;
-
-    RealizeResource();
+    M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now
 }
 
 void wxFont::SetStyle(int style)
@@ -256,8 +384,7 @@ void wxFont::SetStyle(int style)
     Unshare();
 
     M_FONTDATA->m_style = style;
-
-    RealizeResource();
+    M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now
 }
 
 void wxFont::SetWeight(int weight)
@@ -265,17 +392,17 @@ void wxFont::SetWeight(int weight)
     Unshare();
 
     M_FONTDATA->m_weight = weight;
-
-    RealizeResource();
+    M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now
 }
 
-void wxFont::SetFaceName(const wxString& faceName)
+bool wxFont::SetFaceName(const wxString& faceName)
 {
     Unshare();
 
     M_FONTDATA->m_faceName = faceName;
+    M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now
 
-    RealizeResource();
+    return wxFontBase::SetFaceName(faceName);
 }
 
 void wxFont::SetUnderlined(bool underlined)
@@ -283,8 +410,6 @@ void wxFont::SetUnderlined(bool underlined)
     Unshare();
 
     M_FONTDATA->m_underlined = underlined;
-
-    RealizeResource();
 }
 
 void wxFont::SetEncoding(wxFontEncoding encoding)
@@ -292,8 +417,14 @@ void wxFont::SetEncoding(wxFontEncoding encoding)
     Unshare();
 
     M_FONTDATA->m_encoding = encoding;
+    M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now
+}
+
+void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info)
+{
+    Unshare();
 
-    RealizeResource();
+    M_FONTDATA->m_nativeFontInfo = info;
 }
 
 // ----------------------------------------------------------------------------
@@ -302,40 +433,61 @@ void wxFont::SetEncoding(wxFontEncoding encoding)
 
 int wxFont::GetPointSize() const
 {
+    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+
     return M_FONTDATA->m_pointSize;
 }
 
+wxString wxFont::GetFaceName() const
+{
+    wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") );
+
+    return M_FONTDATA->m_faceName ;
+}
+
 int wxFont::GetFamily() const
 {
+    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+
     return M_FONTDATA->m_family;
 }
 
 int wxFont::GetStyle() const
 {
+    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+
     return M_FONTDATA->m_style;
 }
 
 int wxFont::GetWeight() const
 {
+    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+
     return M_FONTDATA->m_weight;
 }
 
 bool wxFont::GetUnderlined() const
 {
+    wxCHECK_MSG( Ok(), false, wxT("invalid font") );
+
     return M_FONTDATA->m_underlined;
 }
 
-wxString wxFont::GetFaceName() const
+wxFontEncoding wxFont::GetEncoding() const
 {
-    wxString str;
-    if ( M_FONTDATA )
-        str = M_FONTDATA->m_faceName ;
-    return str;
+    wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
+
+    return M_FONTDATA->m_encoding;
 }
 
-wxFontEncoding wxFont::GetEncoding() const
+const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
 {
-    return M_FONTDATA->m_encoding;
+    wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") );
+
+    if(M_FONTDATA->m_nativeFontInfo.GetXFontName().empty())
+        GetInternalFont();
+
+    return &(M_FONTDATA->m_nativeFontInfo);
 }
 
 // ----------------------------------------------------------------------------
@@ -354,16 +506,17 @@ wxXFont* wxFont::GetInternalFont(double scale, WXDisplay* display) const
     int pointSize = (M_FONTDATA->m_pointSize * 10 * intScale) / 100;
 
     // search existing fonts first
-    wxNode* node = M_FONTDATA->m_fonts.First();
+    wxList::compatibility_iterator node = M_FONTDATA->m_fonts.GetFirst();
     while (node)
     {
-        wxXFont* f = (wxXFont*) node->Data();
+        wxXFont* f = (wxXFont*) node->GetData();
         if ((!display || (f->m_display == display)) && (f->m_scale == intScale))
             return f;
-        node = node->Next();
+        node = node->GetNext();
     }
 
     // not found, create a new one
+    wxString xFontSpec;
     XFontStruct *font = (XFontStruct *)
                         wxLoadQueryNearestFont(pointSize,
                                                M_FONTDATA->m_family,
@@ -371,7 +524,8 @@ wxXFont* wxFont::GetInternalFont(double scale, WXDisplay* display) const
                                                M_FONTDATA->m_weight,
                                                M_FONTDATA->m_underlined,
                                                wxT(""),
-                                               M_FONTDATA->m_encoding);
+                                               M_FONTDATA->m_encoding,
+                                               &xFontSpec);
 
     if ( !font )
     {
@@ -381,15 +535,50 @@ wxXFont* wxFont::GetInternalFont(double scale, WXDisplay* display) const
     }
 
     wxXFont* f = new wxXFont;
+#if wxMOTIF_NEW_FONT_HANDLING
+    XFreeFont( (Display*) display, font );
+#else
     f->m_fontStruct = (WXFontStructPtr)font;
+#endif
     f->m_display = ( display ? display : wxGetDisplay() );
     f->m_scale = intScale;
+
+#if wxMOTIF_USE_RENDER_TABLE
+    XmRendition rendition;
+    XmRenderTable renderTable;
+    Arg args[5];
+    int count = 0;
+
+#if wxMOTIF_NEW_FONT_HANDLING
+    char* fontSpec = wxStrdup(xFontSpec.mb_str());
+    XtSetArg( args[count], XmNfontName, fontSpec ); ++count;
+    XtSetArg( args[count], XmNfontType, XmFONT_IS_FONTSET ); ++count;
+#else
+    XtSetArg( args[count], XmNfont, font ); ++count;
+#endif
+    XtSetArg( args[count], XmNunderlineType,
+              GetUnderlined() ? XmSINGLE_LINE : XmNO_LINE ); ++count;
+    rendition = XmRenditionCreate( XmGetXmDisplay( (Display*)f->m_display ),
+                                   (XmStringTag)"",
+                                   args, count );
+    renderTable = XmRenderTableAddRenditions( NULL, &rendition, 1,
+                                              XmMERGE_REPLACE );
+
+    f->m_renderTable = (WXRenderTable)renderTable;
+    f->m_rendition = (WXRendition)rendition;
+    wxASSERT( f->m_renderTable != NULL );
+#else // if !wxMOTIF_USE_RENDER_TABLE
     f->m_fontList = XmFontListCreate ((XFontStruct*) font, XmSTRING_DEFAULT_CHARSET);
+    wxASSERT( f->m_fontList != NULL );
+#endif
+
     M_FONTDATA->m_fonts.Append(f);
 
     return f;
 }
 
+#if !wxMOTIF_NEW_FONT_HANDLING
+
 WXFontStructPtr wxFont::GetFontStruct(double scale, WXDisplay* display) const
 {
     wxXFont* f = GetInternalFont(scale, display);
@@ -397,9 +586,111 @@ WXFontStructPtr wxFont::GetFontStruct(double scale, WXDisplay* display) const
     return (f ? f->m_fontStruct : (WXFontStructPtr) 0);
 }
 
+#endif
+
+#if !wxMOTIF_USE_RENDER_TABLE
+
 WXFontList wxFont::GetFontList(double scale, WXDisplay* display) const
 {
     wxXFont* f = GetInternalFont(scale, display);
 
     return (f ? f->m_fontList : (WXFontList) 0);
 }
+
+#else // if wxMOTIF_USE_RENDER_TABLE
+
+WXRenderTable wxFont::GetRenderTable(WXDisplay* display) const
+{
+    wxXFont* f = GetInternalFont(1.0, display);
+
+    return (f ? f->m_renderTable : (WXRenderTable) 0);
+}
+
+#endif // wxMOTIF_USE_RENDER_TABLE
+
+WXFontType wxFont::GetFontType(WXDisplay* display) const
+{
+#if wxMOTIF_USE_RENDER_TABLE
+    return Ok() ? GetRenderTable(display) : NULL;
+#else
+    return Ok() ? GetFontList(1.0, display) : NULL;
+#endif
+}
+
+WXFontType wxFont::GetFontTypeC(WXDisplay* display) const
+{
+#if wxMOTIF_USE_RENDER_TABLE
+    return Ok() ? GetRenderTable(display) : NULL;
+#else
+    return Ok() ? XmFontListCopy( (XmFontList)GetFontList(1.0, display) ) : NULL;
+#endif
+}
+
+/*static*/ WXString wxFont::GetFontTag()
+{
+#if wxMOTIF_USE_RENDER_TABLE
+    return (WXString)XmNrenderTable;
+#else
+    return (WXString)XmNfontList;
+#endif
+}
+
+#if wxMOTIF_USE_RENDER_TABLE
+
+WXFontSet wxFont::GetFontSet(double scale, WXDisplay* display) const
+{
+    wxXFont* f = GetInternalFont(scale, display);
+
+    if( !f ) return (WXFontSet) 0;
+
+    Arg args[2];
+    int count = 0;
+
+    XtSetArg( args[count], XmNfont, 0 ); ++count;
+    XmRenditionRetrieve( (XmRendition) f->m_rendition, args, count );
+
+    return (WXFontSet) args[0].value;
+}
+
+void wxGetTextExtent(WXDisplay* display, const wxFont& font, double scale,
+                     const wxString& str,
+                     int* width, int* height, int* ascent, int* descent)
+{
+    XRectangle ink, logical;
+    WXFontSet fset = font.GetFontSet(scale, display);
+
+    XmbTextExtents( (XFontSet)fset, str.mb_str(), str.length(), &ink, &logical);
+
+    if( width ) *width = logical.width;
+    if( height ) *height = logical.height;
+    if( ascent ) *ascent = -logical.y;
+    if( descent ) *descent = logical.height + logical.y;
+}
+
+#else // if !wxMOTIF_USE_RENDER_TABLE
+
+void wxGetTextExtent(WXDisplay* display, const wxFont& font,
+                     double scale, const wxString& str,
+                     int* width, int* height, int* ascent, int* descent)
+{
+    WXFontStructPtr pFontStruct = font.GetFontStruct(scale, display);
+
+    int direction, ascent2, descent2;
+    XCharStruct overall;
+    int slen = str.length();
+
+    XTextExtents((XFontStruct*) pFontStruct,
+                 wx_const_cast(char*, (const char *)str.mb_str()), slen,
+                 &direction, &ascent2, &descent2, &overall);
+
+    if ( width )
+        *width = (overall.width);
+    if ( height )
+        *height = (ascent2 + descent2);
+    if ( descent )
+        *descent = descent2;
+    if ( ascent )
+        *ascent = ascent2;
+}
+
+#endif // !wxMOTIF_USE_RENDER_TABLE