]> git.saurik.com Git - wxWidgets.git/blobdiff - include/wx/font.h
moved xti info to common file
[wxWidgets.git] / include / wx / font.h
index 165c9c9f06452984ab3b408b7ce5f11b0c7afce5..35d696a4579517c9a3e7e70956dba249466f591e 100644 (file)
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/font.h
+// Purpose:     wxFontBase class: the interface of wxFont
+// Author:      Vadim Zeitlin
+// Modified by:
+// Created:     20.09.99
+// RCS-ID:      $Id$
+// Copyright:   (c) wxWidgets team
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
 #ifndef _WX_FONT_H_BASE_
 #define _WX_FONT_H_BASE_
 
-#if defined(__WXMSW__)
-#include "wx/msw/font.h"
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#include "wx/defs.h"        // for wxDEFAULT &c
+#include "wx/fontenc.h"     // the font encoding constants
+#include "wx/gdiobj.h"      // the base class
+#include "wx/gdicmn.h"      // for wxGDIObjListBase
+
+// ----------------------------------------------------------------------------
+// forward declarations
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_FWD_CORE wxFont;
+
+// ----------------------------------------------------------------------------
+// font constants
+// ----------------------------------------------------------------------------
+
+// standard font families: these may be used only for the font creation, it
+// doesn't make sense to query an existing font for its font family as,
+// especially if the font had been created from a native font description, it
+// may be unknown
+enum wxFontFamily
+{
+    wxFONTFAMILY_DEFAULT = wxDEFAULT,
+    wxFONTFAMILY_DECORATIVE = wxDECORATIVE,
+    wxFONTFAMILY_ROMAN = wxROMAN,
+    wxFONTFAMILY_SCRIPT = wxSCRIPT,
+    wxFONTFAMILY_SWISS = wxSWISS,
+    wxFONTFAMILY_MODERN = wxMODERN,
+    wxFONTFAMILY_TELETYPE = wxTELETYPE,
+    wxFONTFAMILY_MAX,
+    wxFONTFAMILY_UNKNOWN = wxFONTFAMILY_MAX
+};
+
+// font styles
+enum wxFontStyle
+{
+    wxFONTSTYLE_NORMAL = wxNORMAL,
+    wxFONTSTYLE_ITALIC = wxITALIC,
+    wxFONTSTYLE_SLANT = wxSLANT,
+    wxFONTSTYLE_MAX
+};
+
+// font weights
+enum wxFontWeight
+{
+    wxFONTWEIGHT_NORMAL = wxNORMAL,
+    wxFONTWEIGHT_LIGHT = wxLIGHT,
+    wxFONTWEIGHT_BOLD = wxBOLD,
+    wxFONTWEIGHT_MAX
+};
+
+// the font flag bits for the new font ctor accepting one combined flags word
+enum wxFontFlag
+{
+    // no special flags: font with default weight/slant/anti-aliasing
+    wxFONTFLAG_DEFAULT          = 0,
+
+    // slant flags (default: no slant)
+    wxFONTFLAG_ITALIC           = 1 << 0,
+    wxFONTFLAG_SLANT            = 1 << 1,
+
+    // weight flags (default: medium)
+    wxFONTFLAG_LIGHT            = 1 << 2,
+    wxFONTFLAG_BOLD             = 1 << 3,
+
+    // anti-aliasing flag: force on or off (default: the current system default)
+    wxFONTFLAG_ANTIALIASED      = 1 << 4,
+    wxFONTFLAG_NOT_ANTIALIASED  = 1 << 5,
+
+    // underlined/strikethrough flags (default: no lines)
+    wxFONTFLAG_UNDERLINED       = 1 << 6,
+    wxFONTFLAG_STRIKETHROUGH    = 1 << 7,
+
+    // the mask of all currently used flags
+    wxFONTFLAG_MASK = wxFONTFLAG_ITALIC             |
+                      wxFONTFLAG_SLANT              |
+                      wxFONTFLAG_LIGHT              |
+                      wxFONTFLAG_BOLD               |
+                      wxFONTFLAG_ANTIALIASED        |
+                      wxFONTFLAG_NOT_ANTIALIASED    |
+                      wxFONTFLAG_UNDERLINED         |
+                      wxFONTFLAG_STRIKETHROUGH
+};
+
+// ----------------------------------------------------------------------------
+// wxFontBase represents a font object
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_FWD_CORE wxNativeFontInfo;
+
+class WXDLLIMPEXP_CORE wxFontBase : public wxGDIObject
+{
+public:
+    /*
+        derived classes should provide the following ctors:
+
+    wxFont();
+    wxFont(const wxString& nativeFontInfoString);
+    wxFont(const wxNativeFontInfo& info);
+    wxFont(int size,
+           wxFontFamily family,
+           wxFontStyle style,
+           wxFontWeight weight,
+           bool underlined = false,
+           const wxString& face = wxEmptyString,
+           wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
+    wxFont(const wxSize& pixelSize,
+           wxFontFamily family,
+           wxFontStyle style,
+           wxFontWeight weight,
+           bool underlined = false,
+           const wxString& face = wxEmptyString,
+           wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
+    */
+
+    // creator function
+    virtual ~wxFontBase();
+
+
+#if FUTURE_WXWIN_COMPATIBILITY_3_0
+    // from the font components
+    static wxFont *New(
+        int pointSize,              // size of the font in points
+        int family,                 // see wxFontFamily enum
+        int style,                  // see wxFontStyle enum
+        int weight,                 // see wxFontWeight enum
+        bool underlined = false,    // not underlined by default
+        const wxString& face = wxEmptyString,              // facename
+        wxFontEncoding encoding = wxFONTENCODING_DEFAULT)  // ISO8859-X, ...
+        { return New(pointSize, (wxFontFamily)family, (wxFontStyle)style,
+                     (wxFontWeight)weight, underlined, face, encoding); }
+
+    // from the font components
+    static wxFont *New(
+        const wxSize& pixelSize,    // size of the font in pixels
+        int family,                 // see wxFontFamily enum
+        int style,                  // see wxFontStyle enum
+        int weight,                 // see wxFontWeight enum
+        bool underlined = false,    // not underlined by default
+        const wxString& face = wxEmptyString,              // facename
+        wxFontEncoding encoding = wxFONTENCODING_DEFAULT)  // ISO8859-X, ...
+        { return New(pixelSize, (wxFontFamily)family, (wxFontStyle)style,
+                     (wxFontWeight)weight, underlined, face, encoding); }
+#endif
+
+    // from the font components
+    static wxFont *New(
+        int pointSize,              // size of the font in points
+        wxFontFamily family,        // see wxFontFamily enum
+        wxFontStyle style,          // see wxFontStyle enum
+        wxFontWeight weight,        // see wxFontWeight enum
+        bool underlined = false,    // not underlined by default
+        const wxString& face = wxEmptyString,              // facename
+        wxFontEncoding encoding = wxFONTENCODING_DEFAULT); // ISO8859-X, ...
+
+    // from the font components
+    static wxFont *New(
+        const wxSize& pixelSize,    // size of the font in pixels
+        wxFontFamily family,        // see wxFontFamily enum
+        wxFontStyle style,          // see wxFontStyle enum
+        wxFontWeight weight,        // see wxFontWeight enum
+        bool underlined = false,    // not underlined by default
+        const wxString& face = wxEmptyString,              // facename
+        wxFontEncoding encoding = wxFONTENCODING_DEFAULT); // ISO8859-X, ...
+
+    // from the font components but using the font flags instead of separate
+    // parameters for each flag
+    static wxFont *New(int pointSize,
+                       wxFontFamily family,
+                       int flags = wxFONTFLAG_DEFAULT,
+                       const wxString& face = wxEmptyString,
+                       wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
+
+
+    // from the font components but using the font flags instead of separate
+    // parameters for each flag
+    static wxFont *New(const wxSize& pixelSize,
+                       wxFontFamily family,
+                       int flags = wxFONTFLAG_DEFAULT,
+                       const wxString& face = wxEmptyString,
+                       wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
+
+    // from the (opaque) native font description object
+    static wxFont *New(const wxNativeFontInfo& nativeFontDesc);
+
+    // from the string representation of wxNativeFontInfo
+    static wxFont *New(const wxString& strNativeFontDesc);
+
+    // comparison
+    bool operator==(const wxFont& font) const;
+    bool operator!=(const wxFont& font) const { return !(*this == font); }
+
+    // accessors: get the font characteristics
+    virtual int GetPointSize() const = 0;
+    virtual wxSize GetPixelSize() const;
+    virtual bool IsUsingSizeInPixels() const;
+    wxFontFamily GetFamily() const;
+    virtual wxFontStyle GetStyle() const = 0;
+    virtual wxFontWeight GetWeight() const = 0;
+    virtual bool GetUnderlined() const = 0;
+    virtual wxString GetFaceName() const = 0;
+    virtual wxFontEncoding GetEncoding() const = 0;
+    virtual const wxNativeFontInfo *GetNativeFontInfo() const = 0;
+
+    virtual bool IsFixedWidth() const;
+
+    wxString GetNativeFontInfoDesc() const;
+    wxString GetNativeFontInfoUserDesc() const;
+
+    // change the font characteristics
+    virtual void SetPointSize( int pointSize ) = 0;
+    virtual void SetPixelSize( const wxSize& pixelSize );
+    virtual void SetFamily( wxFontFamily family ) = 0;
+    virtual void SetStyle( wxFontStyle style ) = 0;
+    virtual void SetWeight( wxFontWeight weight ) = 0;
+
+    virtual void SetUnderlined( bool underlined ) = 0;
+    virtual void SetEncoding(wxFontEncoding encoding) = 0;
+    virtual bool SetFaceName( const wxString& faceName );
+    void SetNativeFontInfo(const wxNativeFontInfo& info)
+        { DoSetNativeFontInfo(info); }
+
+    bool SetNativeFontInfo(const wxString& info);
+    bool SetNativeFontInfoUserDesc(const wxString& info);
+
+    // translate the fonts into human-readable string (i.e. GetStyleString()
+    // will return "wxITALIC" for an italic font, ...)
+    wxString GetFamilyString() const;
+    wxString GetStyleString() const;
+    wxString GetWeightString() const;
+
+    // the default encoding is used for creating all fonts with default
+    // encoding parameter
+    static wxFontEncoding GetDefaultEncoding() { return ms_encodingDefault; }
+    static void SetDefaultEncoding(wxFontEncoding encoding);
+
+    // this doesn't do anything and is kept for compatibility only
+#ifdef WXWIN_COMPATIBILITY_2_8
+    wxDEPRECATED_INLINE(void SetNoAntiAliasing(bool no = true), wxUnusedVar(no););
+    wxDEPRECATED_INLINE(bool GetNoAntiAliasing() const, return false;)
+#endif // WXWIN_COMPATIBILITY_2_8
+
+protected:
+    // the function called by both overloads of SetNativeFontInfo()
+    virtual void DoSetNativeFontInfo(const wxNativeFontInfo& info);
+
+    // The function called by public GetFamily(): it can return
+    // wxFONTFAMILY_UNKNOWN unlike the public method (see comment there).
+    virtual wxFontFamily DoGetFamily() const = 0;
+
+private:
+    // the currently default encoding: by default, it's the default system
+    // encoding, but may be changed by the application using
+    // SetDefaultEncoding() to make all subsequent fonts created without
+    // specifying encoding parameter using this encoding
+    static wxFontEncoding ms_encodingDefault;
+};
+
+// wxFontBase <-> wxString utilities, used by wxConfig
+WXDLLIMPEXP_CORE wxString wxToString(const wxFontBase& font);
+WXDLLIMPEXP_CORE bool wxFromString(const wxString& str, wxFontBase* font);
+
+
+#if FUTURE_WXWIN_COMPATIBILITY_3_0
+#define wxDECLARE_FONT_COMPAT_SETTER   \
+    wxDEPRECATED_FUTURE( void SetFamily(int family) ) \
+        { SetFamily((wxFontFamily)family); } \
+    wxDEPRECATED_FUTURE( void SetStyle(int style) ) \
+        { SetStyle((wxFontStyle)style); } \
+    wxDEPRECATED_FUTURE( void SetWeight(int weight) ) \
+        { SetWeight((wxFontWeight)weight); } \
+    wxDEPRECATED_FUTURE( void SetFamily(wxDeprecatedGUIConstants family) ) \
+        { SetFamily((wxFontFamily)family); } \
+    wxDEPRECATED_FUTURE( void SetStyle(wxDeprecatedGUIConstants style) ) \
+        { SetStyle((wxFontStyle)style); } \
+    wxDEPRECATED_FUTURE( void SetWeight(wxDeprecatedGUIConstants weight) ) \
+        { SetWeight((wxFontWeight)weight); }
+#else
+#define wxDECLARE_FONT_COMPAT_SETTER  /*empty*/
+#endif
+
+// this macro must be used in all derived wxFont classes declarations
+#define wxDECLARE_COMMON_FONT_METHODS() \
+    wxDECLARE_FONT_COMPAT_SETTER \
+ \
+    /* functions for modifying font in place */ \
+    wxFont& MakeBold(); \
+    wxFont& MakeItalic(); \
+    wxFont& MakeLarger() { return Scale(1.2f); } \
+    wxFont& MakeSmaller() { return Scale(1/1.2f); } \
+    wxFont& Scale(float x); \
+    /* functions for creating fonts based on this one */ \
+    wxFont Bold() const; \
+    wxFont Italic() const; \
+    wxFont Larger() const { return Scaled(1.2f); } \
+    wxFont Smaller() const { return Scaled(1/1.2f); } \
+    wxFont Scaled(float x) const
+
+// include the real class declaration
+#if defined(__WXPALMOS__)
+    #include "wx/palmos/font.h"
+#elif defined(__WXMSW__)
+    #include "wx/msw/font.h"
 #elif defined(__WXMOTIF__)
-#include "wx/motif/font.h"
+    #include "wx/motif/font.h"
+#elif defined(__WXGTK20__)
+    #include "wx/gtk/font.h"
 #elif defined(__WXGTK__)
-#include "wx/gtk/font.h"
-#elif defined(__WXQT__)
-#include "wx/qt/font.h"
+    #include "wx/gtk1/font.h"
+#elif defined(__WXX11__)
+    #include "wx/x11/font.h"
+#elif defined(__WXMGL__)
+    #include "wx/mgl/font.h"
+#elif defined(__WXDFB__)
+    #include "wx/dfb/font.h"
 #elif defined(__WXMAC__)
-#include "wx/mac/font.h"
-#elif defined(__WXSTUBS__)
-#include "wx/stubs/font.h"
+    #include "wx/osx/font.h"
+#elif defined(__WXCOCOA__)
+    #include "wx/cocoa/font.h"
+#elif defined(__WXPM__)
+    #include "wx/os2/font.h"
+#endif
+
+class WXDLLIMPEXP_CORE wxFontList: public wxGDIObjListBase
+{
+public:
+    wxFont *FindOrCreateFont(int pointSize,
+                             wxFontFamily family,
+                             wxFontStyle style,
+                             wxFontWeight weight,
+                             bool underline = false,
+                             const wxString& face = wxEmptyString,
+                             wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
+
+#if FUTURE_WXWIN_COMPATIBILITY_3_0
+     wxFont *FindOrCreateFont(int pointSize, int family, int style, int weight,
+                              bool underline = false,
+                              const wxString& face = wxEmptyString,
+                              wxFontEncoding encoding = wxFONTENCODING_DEFAULT)
+        { return FindOrCreateFont(pointSize, (wxFontFamily)family, (wxFontStyle)style,
+                                  (wxFontWeight)weight, underline, face, encoding); }
+#endif
+
+#if WXWIN_COMPATIBILITY_2_6
+    wxDEPRECATED( void AddFont(wxFont*) );
+    wxDEPRECATED( void RemoveFont(wxFont*) );
 #endif
+};
+
+extern WXDLLIMPEXP_DATA_CORE(wxFontList*)    wxTheFontList;
+
+
+// provide comparison operators to allow code such as
+//
+//      if ( font.GetStyle() == wxFONTSTYLE_SLANT )
+//
+// to compile without warnings which it would otherwise provoke from some
+// compilers as it compares elements of different enums
+#if FUTURE_WXWIN_COMPATIBILITY_3_0
+
+// Unfortunately some compilers have ambiguity issues when enum comparisons are
+// overloaded so we have to disable the overloads in this case, see
+// wxCOMPILER_NO_OVERLOAD_ON_ENUM definition in wx/platform.h for more details.
+#ifndef wxCOMPILER_NO_OVERLOAD_ON_ENUM
+
+inline bool operator==(wxFontFamily s, wxDeprecatedGUIConstants t)
+{ return static_cast<int>(s) == static_cast<int>(t); }
+inline bool operator!=(wxFontFamily s, wxDeprecatedGUIConstants t)
+{ return !(s == t); }
+inline bool operator==(wxFontStyle s, wxDeprecatedGUIConstants t)
+{ return static_cast<int>(s) == static_cast<int>(t); }
+inline bool operator!=(wxFontStyle s, wxDeprecatedGUIConstants t)
+{ return !(s == t); }
+inline bool operator==(wxFontWeight s, wxDeprecatedGUIConstants t)
+{ return static_cast<int>(s) == static_cast<int>(t); }
+inline bool operator!=(wxFontWeight s, wxDeprecatedGUIConstants t)
+{ return !(s == t); }
+
+#endif // // wxCOMPILER_NO_OVERLOAD_ON_ENUM
+
+#endif // FUTURE_WXWIN_COMPATIBILITY_3_0
 
 #endif
     // _WX_FONT_H_BASE_