fix memory leak; allocate the DC before SetFont() is called on the status bar

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

diff --git a/include/wx/font.h b/include/wx/font.h
index 33f6068e093c0d73f41a3f03d7b1d79f9a918ba2..6f39a459c4463059c7a53c5d1382bbf7c09c3c73 100644 (file)
--- a/include/wx/font.h
+++ b/include/wx/font.h
@@ -19,15 +19,16 @@
 #include "wx/defs.h"        // for wxDEFAULT &c
 #include "wx/fontenc.h"     // the font encoding constants
 #include "wx/gdiobj.h"      // the base class
 #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
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // forward declarations
 // ----------------------------------------------------------------------------
 

-class WXDLLEXPORT wxFontData;
-class WXDLLEXPORT wxFontBase;
-class WXDLLEXPORT wxFont;
-class WXDLLEXPORT wxSize;
+class WXDLLIMPEXP_FWD_CORE wxFontData;
+class WXDLLIMPEXP_FWD_CORE wxFontBase;
+class WXDLLIMPEXP_FWD_CORE wxFont;
+class WXDLLIMPEXP_FWD_CORE wxSize;

 
 // ----------------------------------------------------------------------------
 // font constants
 
 // ----------------------------------------------------------------------------
 // font constants


@@ -69,7 +70,7 @@ enum wxFontWeight
 };
 
 // the font flag bits for the new font ctor accepting one combined flags word
 };
 
 // the font flag bits for the new font ctor accepting one combined flags word

-enum
+enum wxFontFlag

 {
     // no special flags: font with default weight/slant/anti-aliasing
     wxFONTFLAG_DEFAULT          = 0,
 {
     // no special flags: font with default weight/slant/anti-aliasing
     wxFONTFLAG_DEFAULT          = 0,


@@ -105,15 +106,16 @@ enum
 // wxFontBase represents a font object
 // ----------------------------------------------------------------------------
 
 // wxFontBase represents a font object
 // ----------------------------------------------------------------------------
 

-class WXDLLEXPORT wxFontRefData;
-struct WXDLLEXPORT wxNativeFontInfo;
+class WXDLLIMPEXP_FWD_CORE wxNativeFontInfo;

 
 

-class WXDLLEXPORT wxFontBase : public wxGDIObject
+class WXDLLIMPEXP_CORE wxFontBase : public wxGDIObject

 {
 public:
     // creator function
     virtual ~wxFontBase();
 
 {
 public:
     // 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
     // from the font components
     static wxFont *New(
         int pointSize,              // size of the font in points


@@ -122,15 +124,9 @@ public:
         int weight,                 // see wxFontWeight enum
         bool underlined = false,    // not underlined by default
         const wxString& face = wxEmptyString,              // facename
         int 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);
+        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(
 
     // from the font components
     static wxFont *New(


@@ -140,8 +136,40 @@ public:
         int weight,                 // see wxFontWeight enum
         bool underlined = false,    // not underlined by default
         const wxString& face = wxEmptyString,              // facename
         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, ...
 
         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,
     // from the font components but using the font flags instead of separate
     // parameters for each flag
     static wxFont *New(const wxSize& pixelSize,


@@ -156,20 +184,17 @@ public:
     // from the string representation of wxNativeFontInfo
     static wxFont *New(const wxString& strNativeFontDesc);
 
     // from the string representation of wxNativeFontInfo
     static wxFont *New(const wxString& strNativeFontDesc);
 

-    // was the font successfully created?
-    bool Ok() const { return m_refData != NULL; }
-

     // comparison
     // comparison

-    bool operator == (const wxFont& font) const;
-    bool operator != (const wxFont& font) const;
+    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;
 
     // accessors: get the font characteristics
     virtual int GetPointSize() const = 0;
     virtual wxSize GetPixelSize() const;
     virtual bool IsUsingSizeInPixels() const;

-    virtual int GetFamily() const = 0;
-    virtual int GetStyle() const = 0;
-    virtual int GetWeight() const = 0;
+    virtual wxFontFamily GetFamily() const = 0;
+    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 bool GetUnderlined() const = 0;
     virtual wxString GetFaceName() const = 0;
     virtual wxFontEncoding GetEncoding() const = 0;


@@ -183,17 +208,18 @@ public:
     // change the font characteristics
     virtual void SetPointSize( int pointSize ) = 0;
     virtual void SetPixelSize( const wxSize& pixelSize );
     // change the font characteristics
     virtual void SetPointSize( int pointSize ) = 0;
     virtual void SetPixelSize( const wxSize& pixelSize );

-    virtual void SetFamily( int family ) = 0;
-    virtual void SetStyle( int style ) = 0;
-    virtual void SetWeight( int weight ) = 0;
-    virtual void SetFaceName( const wxString& faceName ) = 0;
+    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 void SetUnderlined( bool underlined ) = 0;
     virtual void SetEncoding(wxFontEncoding encoding) = 0;

+    virtual bool SetFaceName( const wxString& faceName );

     void SetNativeFontInfo(const wxNativeFontInfo& info)
         { DoSetNativeFontInfo(info); }
 
     void SetNativeFontInfo(const wxNativeFontInfo& info)
         { DoSetNativeFontInfo(info); }
 

-    void SetNativeFontInfo(const wxString& info);
-    void SetNativeFontInfoUserDesc(const wxString& 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, ...)
 
     // translate the fonts into human-readable string (i.e. GetStyleString()
     // will return "wxITALIC" for an italic font, ...)


@@ -211,10 +237,6 @@ public:
     static void SetDefaultEncoding(wxFontEncoding encoding);
 
 protected:
     static void SetDefaultEncoding(wxFontEncoding encoding);
 
 protected:

-    // get the internal data
-    wxFontRefData *GetFontData() const
-        { return (wxFontRefData *)m_refData; }
-

     // the function called by both overloads of SetNativeFontInfo()
     virtual void DoSetNativeFontInfo(const wxNativeFontInfo& info);
 
     // the function called by both overloads of SetNativeFontInfo()
     virtual void DoSetNativeFontInfo(const wxNativeFontInfo& info);
 


@@ -226,6 +248,29 @@ private:
     static wxFontEncoding ms_encodingDefault;
 };
 
     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_COMPAT_SETTERS   \
+    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_COMPAT_SETTERS  /*empty*/
+#endif
+

 // include the real class declaration
 #if defined(__WXPALMOS__)
     #include "wx/palmos/font.h"
 // include the real class declaration
 #if defined(__WXPALMOS__)
     #include "wx/palmos/font.h"


@@ -241,19 +286,67 @@ private:
     #include "wx/x11/font.h"
 #elif defined(__WXMGL__)
     #include "wx/mgl/font.h"
     #include "wx/x11/font.h"
 #elif defined(__WXMGL__)
     #include "wx/mgl/font.h"

+#elif defined(__WXDFB__)
+    #include "wx/dfb/font.h"

 #elif defined(__WXMAC__)
 #elif defined(__WXMAC__)

-    #include "wx/mac/font.h"
+    #include "wx/osx/font.h"

 #elif defined(__WXCOCOA__)
     #include "wx/cocoa/font.h"
 #elif defined(__WXPM__)
     #include "wx/os2/font.h"
 #endif
 
 #elif defined(__WXCOCOA__)
     #include "wx/cocoa/font.h"
 #elif defined(__WXPM__)
     #include "wx/os2/font.h"
 #endif
 

-// ----------------------------------------------------------------------------
-// macros
-// ----------------------------------------------------------------------------
+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
+};

 
 

-#define M_FONTDATA GetFontData()
+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
+
+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 // FUTURE_WXWIN_COMPATIBILITY_3_0

 
 #endif
     // _WX_FONT_H_BASE_
 
 #endif
     // _WX_FONT_H_BASE_