added wxGetX11Display() returning the pointer of the correct type, unlike the old...

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

diff --git a/include/wx/unichar.h b/include/wx/unichar.h
index f6ad19abff0429f793d35004d1c2f430f5b1d12a..95626697109934d715ed7205a421619fe78d2354 100644 (file)
--- a/include/wx/unichar.h
+++ b/include/wx/unichar.h
@@ -13,10 +13,29 @@
 
 #include "wx/defs.h"
 #include "wx/chartype.h"
 
 #include "wx/defs.h"
 #include "wx/chartype.h"

+#include "wx/stringimpl.h"
+
+// wint_t is just a typedef for wchar_t for many old compilers but for modern
+// ones it's a separate type and we must provide a conversion to it to allow
+// passing wxUniChar[Ref] to functions taking wint_t such as iswalnum() &c
+#if (defined(__GNUC__) && !defined(__DARWIN__) && !defined(__OS2__)) || \
+    (defined(__VISUALC__) && defined(_NATIVE_WCHAR_T_DEFINED))
+    #define wxWINT_T_IS_SEPARATE_TYPE
+#endif

 
 

-// NB: this header is included from string.h as well, but from the place
-//     where wxStringImpl is already declared and that's all we need
-#include "wx/string.h"
+// helper macro for doing something dependent on whether wint_t is or isn't a
+// typedef inside another macro
+#ifdef wxWINT_T_IS_SEPARATE_TYPE
+    #define wxIF_WINT_T_TYPE(x) x
+#else // !wxWINT_T_IS_SEPARATE_TYPE
+    #define wxIF_WINT_T_TYPE(x)
+#endif // wxWINT_T_IS_SEPARATE_TYPE/!wxWINT_T_IS_SEPARATE_TYPE
+
+// wchar_t seems to be defined as unsigned short by all Windows compilers but
+// unsigned int everywhere else
+#ifndef __WIN32__
+    #define wxWCHAR_T_IS_UINT
+#endif

 
 class WXDLLIMPEXP_BASE wxUniCharRef;
 
 
 class WXDLLIMPEXP_BASE wxUniCharRef;
 


@@ -39,6 +58,9 @@ public:
 
     // Create the character from a wchar_t character value.
     wxUniChar(wchar_t c) { m_value = c; }
 
     // Create the character from a wchar_t character value.
     wxUniChar(wchar_t c) { m_value = c; }

+#ifdef wxWINT_T_IS_SEPARATE_TYPE
+    wxUniChar(wint_t c) { m_value = c; }
+#endif

 
     wxUniChar(int c) { m_value = c; }
 
 
     wxUniChar(int c) { m_value = c; }
 


@@ -47,12 +69,18 @@ public:
     // Returns Unicode code point value of the character
     value_type GetValue() const { return m_value; }
 
     // Returns Unicode code point value of the character
     value_type GetValue() const { return m_value; }
 

+    // Returns true if the character is an ASCII character:
+    bool IsAscii() const { return m_value < 0x80; }
+

     // Conversions to char and wchar_t types: all of those are needed to be
     // able to pass wxUniChars to verious standard narrow and wide character
     // functions
     operator char() const { return To8bit(m_value); }
     operator wchar_t() const { return m_value; }
     operator int() const { return m_value; }
     // Conversions to char and wchar_t types: all of those are needed to be
     // able to pass wxUniChars to verious standard narrow and wide character
     // functions
     operator char() const { return To8bit(m_value); }
     operator wchar_t() const { return m_value; }
     operator int() const { return m_value; }

+#ifndef wxWCHAR_T_IS_UINT
+    operator unsigned int() const { return m_value; }
+#endif

 
     // More conversions needed for other standard functions: uchar is for VC++
     // _mbxxx() ones (to which toxxx/isxxx() are mapped when _MBCS is defined)
 
     // More conversions needed for other standard functions: uchar is for VC++
     // _mbxxx() ones (to which toxxx/isxxx() are mapped when _MBCS is defined)


@@ -60,7 +88,7 @@ public:
     // same as wchar_t for Windows compilers but not for g++ (except for the
     // special Apple version)
     operator unsigned char() const { return (unsigned char)To8bit(m_value); }
     // same as wchar_t for Windows compilers but not for g++ (except for the
     // special Apple version)
     operator unsigned char() const { return (unsigned char)To8bit(m_value); }

-#if defined(__GNUC__) && !defined(__DARWIN__)
+#ifdef wxWINT_T_IS_SEPARATE_TYPE

     operator wint_t() const { return m_value; }
 #endif
 
     operator wint_t() const { return m_value; }
 #endif
 


@@ -82,6 +110,10 @@ public:
     wxUniChar& operator=(const wxUniChar& c) { m_value = c.m_value; return *this; }
     wxUniChar& operator=(char c) { m_value = From8bit(c); return *this; }
     wxUniChar& operator=(wchar_t c) { m_value = c; return *this; }
     wxUniChar& operator=(const wxUniChar& c) { m_value = c.m_value; return *this; }
     wxUniChar& operator=(char c) { m_value = From8bit(c); return *this; }
     wxUniChar& operator=(wchar_t c) { m_value = c; return *this; }

+    wxUniChar& operator=(int c) { m_value = c; return *this; }
+#ifdef wxWINT_T_IS_SEPARATE_TYPE
+    wxUniChar& operator=(wint_t c) { m_value = c; return *this; }
+#endif

 
     // Comparison operators:
 
 
     // Comparison operators:
 


@@ -89,7 +121,8 @@ public:
 #define wxDEFINE_UNICHAR_OPERATOR(op)                                         \
     bool operator op(const wxUniChar& c) const { return m_value op c.m_value; }\
     bool operator op(char c) const { return m_value op From8bit(c); }         \
 #define wxDEFINE_UNICHAR_OPERATOR(op)                                         \
     bool operator op(const wxUniChar& c) const { return m_value op c.m_value; }\
     bool operator op(char c) const { return m_value op From8bit(c); }         \

-    bool operator op(wchar_t c) const { return m_value op (value_type)c; }
+    bool operator op(wchar_t c) const { return m_value op (value_type)c; }    \
+    wxIF_WINT_T_TYPE( bool operator op(wint_t c) const { return m_value op (value_type)c; } )

 
     wxFOR_ALL_COMPARISONS(wxDEFINE_UNICHAR_OPERATOR)
 
 
     wxFOR_ALL_COMPARISONS(wxDEFINE_UNICHAR_OPERATOR)
 


@@ -99,6 +132,9 @@ public:
     int operator-(const wxUniChar& c) const { return m_value - c.m_value; }
     int operator-(char c) const { return m_value - From8bit(c); }
     int operator-(wchar_t c) const { return m_value - (value_type)c; }
     int operator-(const wxUniChar& c) const { return m_value - c.m_value; }
     int operator-(char c) const { return m_value - From8bit(c); }
     int operator-(wchar_t c) const { return m_value - (value_type)c; }

+#ifdef wxWINT_T_IS_SEPARATE_TYPE
+    int operator-(wint_t c) const { return m_value - (value_type)c; }
+#endif

 
 private:
     static value_type From8bit(char c);
 
 private:
     static value_type From8bit(char c);


@@ -119,7 +155,11 @@ private:
     typedef wxStringImpl::iterator iterator;
 
     // create the reference
     typedef wxStringImpl::iterator iterator;
 
     // create the reference

+#if wxUSE_UNICODE_UTF8
+    wxUniCharRef(wxStringImpl& str, iterator pos) : m_str(str), m_pos(pos) {}
+#else

     wxUniCharRef(iterator pos) : m_pos(pos) {}
     wxUniCharRef(iterator pos) : m_pos(pos) {}

+#endif

 
 public:
     // NB: we have to make this public, because we don't have wxString
 
 public:
     // NB: we have to make this public, because we don't have wxString


@@ -127,35 +167,45 @@ public:
     //     as friend; so at least don't use a ctor but a static function
     //     that must be used explicitly (this is more than using 'explicit'
     //     keyword on ctor!):
     //     as friend; so at least don't use a ctor but a static function
     //     that must be used explicitly (this is more than using 'explicit'
     //     keyword on ctor!):

+#if wxUSE_UNICODE_UTF8
+    static wxUniCharRef CreateForString(wxStringImpl& str, iterator pos)
+        { return wxUniCharRef(str, pos); }
+#else

     static wxUniCharRef CreateForString(iterator pos)
         { return wxUniCharRef(pos); }
     static wxUniCharRef CreateForString(iterator pos)
         { return wxUniCharRef(pos); }

+#endif

 
     wxUniChar::value_type GetValue() const { return UniChar().GetValue(); }
 
     wxUniChar::value_type GetValue() const { return UniChar().GetValue(); }

+    bool IsAscii() const { return UniChar().IsAscii(); }

 
     // Assignment operators:
 
     // Assignment operators:

-    wxUniCharRef& operator=(const wxUniCharRef& c)
-    {
-        *m_pos = *c.m_pos;
-        return *this;
-    };
+#if wxUSE_UNICODE_UTF8
+    wxUniCharRef& operator=(const wxUniChar& c);
+#else
+    wxUniCharRef& operator=(const wxUniChar& c) { *m_pos = c; return *this; }
+#endif

 
 

-    wxUniCharRef& operator=(const wxUniChar& c)
-    {
-        *m_pos = c;
-        return *this;
-    };
+    wxUniCharRef& operator=(const wxUniCharRef& c)
+        { return *this = c.UniChar(); }

 
     wxUniCharRef& operator=(char c) { return *this = wxUniChar(c); }
     wxUniCharRef& operator=(wchar_t c) { return *this = wxUniChar(c); }
 
     wxUniCharRef& operator=(char c) { return *this = wxUniChar(c); }
     wxUniCharRef& operator=(wchar_t c) { return *this = wxUniChar(c); }

+    wxUniCharRef& operator=(int c) { return *this = wxUniChar(c); }
+#ifdef wxWINT_T_IS_SEPARATE_TYPE
+    wxUniCharRef& operator=(wint_t c) { return *this = wxUniChar(c); }
+#endif

 
     // Conversions to the same types as wxUniChar is convertible too:
     operator char() const { return UniChar(); }
 
     // Conversions to the same types as wxUniChar is convertible too:
     operator char() const { return UniChar(); }

-    operator wchar_t() const { return UniChar(); }

     operator int() const { return UniChar(); }
     operator unsigned char() const { return UniChar(); }
     operator int() const { return UniChar(); }
     operator unsigned char() const { return UniChar(); }

-#if defined(__GNUC__) && !defined(__DARWIN__)
+    operator wchar_t() const { return UniChar(); }
+#ifdef wxWINT_T_IS_SEPARATE_TYPE

     operator wint_t() const { return UniChar(); }
 #endif
     operator wint_t() const { return UniChar(); }
 #endif

+#ifndef wxWCHAR_T_IS_UINT
+    operator unsigned int() const { return UniChar(); }
+#endif

 
     // see wxUniChar::operator bool etc. for explanation
     operator bool() const { return (bool)UniChar(); }
 
     // see wxUniChar::operator bool etc. for explanation
     operator bool() const { return (bool)UniChar(); }


@@ -170,7 +220,8 @@ public:
     bool operator op(const wxUniCharRef& c) const { return UniChar() op c.UniChar(); }\
     bool operator op(const wxUniChar& c) const { return UniChar() op c; }     \
     bool operator op(char c) const { return UniChar() op c; }                 \
     bool operator op(const wxUniCharRef& c) const { return UniChar() op c.UniChar(); }\
     bool operator op(const wxUniChar& c) const { return UniChar() op c; }     \
     bool operator op(char c) const { return UniChar() op c; }                 \

-    bool operator op(wchar_t c) const { return UniChar() op c; }
+    bool operator op(wchar_t c) const { return UniChar() op c; }              \
+    wxIF_WINT_T_TYPE( bool operator op(wint_t c) const { return UniChar() op c; } )

 
     wxFOR_ALL_COMPARISONS(wxDEFINE_UNICHARREF_OPERATOR)
 
 
     wxFOR_ALL_COMPARISONS(wxDEFINE_UNICHARREF_OPERATOR)
 


@@ -181,13 +232,33 @@ public:
     int operator-(const wxUniChar& c) const { return UniChar() - c; }
     int operator-(char c) const { return UniChar() - c; }
     int operator-(wchar_t c) const { return UniChar() - c; }
     int operator-(const wxUniChar& c) const { return UniChar() - c; }
     int operator-(char c) const { return UniChar() - c; }
     int operator-(wchar_t c) const { return UniChar() - c; }

+#ifdef wxWINT_T_IS_SEPARATE_TYPE
+    int operator-(wint_t c) const { return UniChar() - c; }
+#endif

 
 private:
 
 private:

-    wxUniChar UniChar() const { return *m_pos; }
+    wxUniChar UniChar() const
+    {
+#if wxUSE_UNICODE_UTF8
+        return DecodeChar(m_pos);
+#else
+        return *m_pos;
+#endif
+    }
+
+#if wxUSE_UNICODE_UTF8
+    // FIXME-UTF8: move this to a separate 'string operations' class
+    static wxUniChar DecodeChar(wxStringImpl::const_iterator i);
+    friend class WXDLLIMPEXP_BASE wxString;
+#endif
+

     friend class WXDLLIMPEXP_BASE wxUniChar;
 
 private:
     friend class WXDLLIMPEXP_BASE wxUniChar;
 
 private:

-    // pointer to the character in string
+    // reference to the string and pointer to the character in string
+#if wxUSE_UNICODE_UTF8
+    wxStringImpl& m_str;
+#endif

     iterator m_pos;
 };
 
     iterator m_pos;
 };
 


@@ -207,13 +278,21 @@ wxDEFINE_COMPARISONS(char, const wxUniCharRef&, wxCMP_REVERSE)
 wxDEFINE_COMPARISONS(wchar_t, const wxUniChar&, wxCMP_REVERSE)
 wxDEFINE_COMPARISONS(wchar_t, const wxUniCharRef&, wxCMP_REVERSE)
 
 wxDEFINE_COMPARISONS(wchar_t, const wxUniChar&, wxCMP_REVERSE)
 wxDEFINE_COMPARISONS(wchar_t, const wxUniCharRef&, wxCMP_REVERSE)
 

+#ifdef wxWINT_T_IS_SEPARATE_TYPE
+//wxDEFINE_COMPARISONS(wint_t, const wxUniChar&, wxCMP_REVERSE)
+wxDEFINE_COMPARISONS(wint_t, const wxUniCharRef&, wxCMP_REVERSE)
+#endif
+

 wxDEFINE_COMPARISONS(const wxUniChar&, const wxUniCharRef&, wxCMP_REVERSE)
 
 #undef wxCMP_REVERSE
 
 // for expressions like c-'A':
 inline int operator-(char c1, const wxUniCharRef& c2) { return -(c2 - c1); }
 wxDEFINE_COMPARISONS(const wxUniChar&, const wxUniCharRef&, wxCMP_REVERSE)
 
 #undef wxCMP_REVERSE
 
 // for expressions like c-'A':
 inline int operator-(char c1, const wxUniCharRef& c2) { return -(c2 - c1); }

-inline int operator-(wchar_t c1, const wxUniCharRef& c2) { return -(c2 - c1); }

 inline int operator-(const wxUniChar& c1, const wxUniCharRef& c2) { return -(c2 - c1); }
 inline int operator-(const wxUniChar& c1, const wxUniCharRef& c2) { return -(c2 - c1); }

+inline int operator-(wchar_t c1, const wxUniCharRef& c2) { return -(c2 - c1); }
+#ifdef wxWINT_T_IS_SEPARATE_TYPE
+inline int operator-(wint_t c1, const wxUniCharRef& c2) { return -(c2 - c1); }
+#endif

 
 #endif /* _WX_UNICHAR_H_ */
 
 #endif /* _WX_UNICHAR_H_ */