minor clean up

[wxWidgets.git] / include / wx / fontmap.h

diff --git a/include/wx/fontmap.h b/include/wx/fontmap.h
index 7c2ee4ba8534f569d4073ebf2a29eb8f7141d38c..70691e8afb90ac9db8ec11a9c15f1248406a64b0 100644 (file)
--- a/include/wx/fontmap.h
+++ b/include/wx/fontmap.h
@@ -20,11 +20,21 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#include "wx/defs.h"        // for wxDEFAULT &c
+#if wxUSE_FONTMAP
 
-#include "wx/font.h"        // for wxFontEncoding
+#include "wx/fontenc.h"         // for wxFontEncoding
 
-class WXDLLEXPORT wxConfigBase;
+#if wxUSE_GUI
+    #include "wx/fontutil.h"    // for wxNativeEncodingInfo
+#endif // wxUSE_GUI
+
+#if wxUSE_CONFIG
+    class WXDLLEXPORT wxConfigBase;
+#endif // wxUSE_CONFIG
+
+#if wxUSE_GUI
+    class WXDLLEXPORT wxWindow;
+#endif // wxUSE_GUI
 
 // ----------------------------------------------------------------------------
 // wxFontMapper manages user-definable correspondence between logical font
@@ -49,15 +59,56 @@ public:
     // virtual dtor for a base class
     virtual ~wxFontMapper();
 
+#if wxUSE_GUI
+    // find an alternative for the given encoding (which is supposed to not be
+    // available on this system). If successful, return TRUE and fill info
+    // structure with the parameters required to create the font, otherwise
+    // return FALSE
+    virtual bool GetAltForEncoding(wxFontEncoding encoding,
+                                   wxNativeEncodingInfo *info,
+                                   const wxString& facename = wxEmptyString,
+                                   bool interactive = TRUE);
+
+    // version better suitable for 'public' use. Returns wxFontEcoding
+    // that can be used it wxFont ctor
+    bool GetAltForEncoding(wxFontEncoding encoding,
+                           wxFontEncoding *alt_encoding,
+                           const wxString& facename = wxEmptyString,
+                           bool interactive = TRUE);
+
+    // checks whether given encoding is available in given face or not.
+    // If no facename is given, 
+    virtual bool IsEncodingAvailable(wxFontEncoding encoding,
+                                     const wxString& facename = wxEmptyString);
+#endif // wxUSE_GUI
+
     // returns the encoding for the given charset (in the form of RFC 2046) or
     // wxFONTENCODING_SYSTEM if couldn't decode it
     virtual wxFontEncoding CharsetToEncoding(const wxString& charset,
                                              bool interactive = TRUE);
 
+    // encoding names
+    // --------------
+
+    // return internal string identifier for the encoding (see also
+    // GetEncodingDescription())
+    static wxString GetEncodingName(wxFontEncoding encoding);
+
+    // return user-readable string describing the given encoding
+    //
+    // NB: hard-coded now, but might change later (read it from config?)
+    static wxString GetEncodingDescription(wxFontEncoding encoding);
+
     // configure the appearance of the dialogs we may popup
     // ----------------------------------------------------
 
+#if wxUSE_GUI
+    // the parent window for modal dialogs
+    void SetDialogParent(wxWindow *parent) { m_windowParent = parent; }
+
+    // the title for the dialogs (note that default is quite reasonable)
     void SetDialogTitle(const wxString& title) { m_titleDialog = title; }
+#endif // wxUSE_GUI
 
     // functions which allow to configure the config object used: by default,
     // the global one (from wxConfigBase::Get() will be used) and the default
@@ -65,6 +116,7 @@ public:
     // GetDefaultConfigPath()
     // ----------------------------------------------------------------------
 
+#if wxUSE_CONFIG
     // set the config object to use (may be NULL to use default)
     void SetConfig(wxConfigBase *config) { m_config = config; }
 
@@ -73,8 +125,11 @@ public:
 
     // return default config path
     static const wxChar *GetDefaultConfigPath();
+#endif
 
 protected:
+
+#if wxUSE_CONFIG
     // get the config object we're using - if it wasn't set explicitly, this
     // function will use wxConfig::Get() to get the global one
     wxConfigBase *GetConfig();
@@ -82,6 +137,7 @@ protected:
     // gets the root path for our settings - if itwasn't set explicitly, use
     // GetDefaultConfigPath()
     const wxString& GetConfigPath();
+#endif
 
     // change to the given (relative) path in the config, return TRUE if ok
     // (then GetConfig() will return something !NULL), FALSE if no config
@@ -94,15 +150,45 @@ protected:
     // restore the config path after use
     void RestorePath(const wxString& pathOld);
 
+#if wxUSE_GUI
+    // GetAltForEncoding() helper: tests for the existence of the given
+    // encoding and saves the result in config if ok - this results in the
+    // following (desired) behaviour: when an unknown/unavailable encoding is
+    // requested for the first time, the user is asked about a replacement,
+    // but if he doesn't choose any and the default logic finds one, it will
+    // be saved in the config so that the user won't be asked about it any
+    // more
+    bool TestAltEncoding(const wxString& configEntry,
+                         wxFontEncoding encReplacement,
+                         wxNativeEncodingInfo *info);
+#endif // wxUSE_GUI
+
+#if wxUSE_CONFIG
     // config object and path (in it) to use
     wxConfigBase *m_config;
+    bool m_configIsDummy;
+#endif
+
     wxString  m_configRootPath;
 
+#if wxUSE_GUI
     // the title for our dialogs
     wxString m_titleDialog;
 
     // the parent window for our dialogs
     wxWindow *m_windowParent;
+#endif // wxUSE_GUI
+
+    friend class wxFontMapperPathChanger;
 };
 
+// ----------------------------------------------------------------------------
+// global variables
+// ----------------------------------------------------------------------------
+
+// the default font mapper for wxWindows programs
+WXDLLEXPORT_DATA(extern wxFontMapper *) wxTheFontMapper;
+
+#endif // wxUSE_FONTMAP
+
 #endif // _WX_FONTMAPPER_H_