wxWidgets/interface/fontenum.h

86 lines
3.0 KiB
Objective-C

/////////////////////////////////////////////////////////////////////////////
// Name: fontenum.h
// Purpose: interface of wxFontEnumerator
// Author: wxWidgets team
// RCS-ID: $Id$
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
/**
@class wxFontEnumerator
@wxheader{fontenum.h}
wxFontEnumerator enumerates either all available fonts on the system or only
the ones with given attributes - either only fixed-width (suited for use in
programs such as terminal emulators and the like) or the fonts available in
the given encoding().
To do this, you just have to call one of EnumerateXXX() functions - either
wxFontEnumerator::EnumerateFacenames or
wxFontEnumerator::EnumerateEncodings and the
corresponding callback (wxFontEnumerator::OnFacename or
wxFontEnumerator::OnFontEncoding) will be called
repeatedly until either all fonts satisfying the specified criteria are
exhausted or the callback returns @false.
@library{wxcore}
@category{FIXME}
@see @ref overview_wxfontencodingoverview, @ref overview_samplefont "Font
sample", wxFont, wxFontMapper
*/
class wxFontEnumerator
{
public:
/**
Call OnFontEncoding() for each
encoding supported by the given font - or for each encoding supported by at
least some font if @a font is not specified.
*/
virtual bool EnumerateEncodings(const wxString& font = "");
/**
Call OnFacename() for each font which
supports given encoding (only if it is not wxFONTENCODING_SYSTEM) and is of
fixed width (if @a fixedWidthOnly is @true).
Calling this function with default arguments will result in enumerating all
fonts available on the system.
*/
virtual bool EnumerateFacenames(wxFontEncoding encoding = wxFONTENCODING_SYSTEM,
bool fixedWidthOnly = false);
/**
Return array of strings containing all encodings found by
EnumerateEncodings().
*/
static wxArrayString GetEncodings(const wxString& facename = "");
/**
Return array of strings containing all facenames found by
EnumerateFacenames().
*/
static wxArrayString GetFacenames(wxFontEncoding encoding = wxFONTENCODING_SYSTEM,
bool fixedWidthOnly = false);
/**
Returns @true if the given string is valid face name, i.e. it's the face name
of an installed
font and it can safely be used with wxFont::SetFaceName.
*/
static bool IsValidFacename(const wxString& facename);
/**
Called by EnumerateFacenames() for
each match. Return @true to continue enumeration or @false to stop it.
*/
virtual bool OnFacename(const wxString& font);
/**
Called by EnumerateEncodings() for
each match. Return @true to continue enumeration or @false to stop it.
*/
virtual bool OnFontEncoding(const wxString& font,
const wxString& encoding);
};