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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4185 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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Vadim Zeitlin
1999-10-25 16:41:22 +00:00
parent 974e8d946f
commit bbea8df359
1 changed files with 0 additions and 206 deletions
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src/motif/fontenum.cpp
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/////////////////////////////////////////////////////////////////////////////
// Name: src/motif/fontenum.cpp
// Purpose: wxFontEnumerator class for X11/GDK
// Author: Vadim Zeitlin
// Modified by:
// Created: 01.10.99
// RCS-ID: $Id$
// Copyright: (c) Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
#pragma implementation "fontenum.h"
#endif
#include "wx/defs.h"
#include "wx/dynarray.h"
#include "wx/string.h"
#include "wx/utils.h"
#include "wx/fontenum.h"
#include <X11/Xlib.h>
// ----------------------------------------------------------------------------
// private functions
// ----------------------------------------------------------------------------
// compare function for sorted array of strings
static int CMPFUNC_CONV CompareStrings(const char *s1, const char *s2);
// create the list of all fonts with the given spacing
static char **CreateFontList(wxChar spacing, int *nFonts);
// extract all font families from the given font list and call our
// OnFontFamily() for each of them
static bool ProcessFamiliesFromFontList(wxFontEnumerator *This,
char **fonts,
int nFonts);
// ----------------------------------------------------------------------------
// private types
// ----------------------------------------------------------------------------
WX_DEFINE_SORTED_ARRAY(const char *, wxSortedStringArray);
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// helpers
// ----------------------------------------------------------------------------
static int CMPFUNC_CONV CompareStrings(const char *s1, const char *s2)
{
return strcmp(s1, s2);
}
static char **CreateFontList(wxChar spacing, int *nFonts)
{
wxString pattern;
pattern.Printf(wxT("-*-*-*-*-*-*-*-*-*-*-%c-*-*-*"), spacing);
// get the list of all fonts
return XListFonts((Display *)wxGetDisplay(), pattern, 32767, nFonts);
}
static bool ProcessFamiliesFromFontList(wxFontEnumerator *This,
char **fonts,
int nFonts)
{
// extract the list of (unique) font families
wxSortedStringArray families(CompareStrings);
for ( int n = 0; n < nFonts; n++ )
{
char *font = fonts[n];
if ( !wxString(font).Matches("-*-*-*-*-*-*-*-*-*-*-*-*-*-*") )
{
// it's not a full font name (probably an alias)
continue;
}
char *dash = strchr(font + 1, '-');
char *family = dash + 1;
dash = strchr(family, '-');
*dash = '\0'; // !NULL because Matches() above succeeded
if ( families.Index(family) == wxNOT_FOUND )
{
if ( !This->OnFontFamily(family) )
{
// stop enumerating
return FALSE;
}
families.Add(family);
}
//else: already seen
}
return TRUE;
}
// ----------------------------------------------------------------------------
// wxFontEnumerator
// ----------------------------------------------------------------------------
bool wxFontEnumerator::EnumerateFamilies(bool fixedWidthOnly)
{
int nFonts;
char **fonts;
if ( fixedWidthOnly )
{
bool cont = TRUE;
fonts = CreateFontList(wxT('m'), &nFonts);
if ( fonts )
{
cont = ProcessFamiliesFromFontList(this, fonts, nFonts);
XFreeFontNames(fonts);
}
if ( !cont )
{
return TRUE;
}
fonts = CreateFontList(wxT('c'), &nFonts);
if ( !fonts )
{
return TRUE;
}
}
else
{
fonts = CreateFontList(wxT('*'), &nFonts);
if ( !fonts )
{
wxFAIL_MSG(wxT("No fonts at all on this system?"));
return FALSE;
}
}
(void)ProcessFamiliesFromFontList(this, fonts, nFonts);
XFreeFontNames(fonts);
return TRUE;
}
bool wxFontEnumerator::EnumerateEncodings(const wxString& family)
{
#if 0
wxString pattern;
pattern.Printf(wxT("-*-%s-*-*-*-*-*-*-*-*-*-*-*-*"),
family.IsEmpty() ? wxT("*") : family.c_str());
// get the list of all fonts
int nFonts;
char **fonts = XListFonts((Display *)wxGetDisplay(), pattern,
32767, nFonts);
if ( !fonts )
{
// unknown family?
return FALSE;
}
// extract the list of (unique) encodings
wxSortedStringArray families(CompareStrings);
for ( int n = 0; n < nFonts; n++ )
{
char *font = fonts[n];
if ( !wxString(font).Matches("-*-*-*-*-*-*-*-*-*-*-*-*-*-*") )
{
// it's not a full font name (probably an alias)
continue;
}
// extract the family
char *dash = strchr(font + 1, '-');
char *family = dash + 1;
dash = strchr(family, '-');
*dash = '\0'; // !NULL because Matches() above succeeded
// now extract the registry/encoding
}
return TRUE;
#endif // 0
return FALSE; // TODO
}