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// XmbFontImp.cc for FbTk fluxbox toolkit
// Copyright (c) 2002 Henrik Kinnunen (fluxgen at linuxmail.org)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
// $Id: XmbFontImp.cc,v 1.1 2002/11/26 16:01:28 fluxgen Exp $
#include "XmbFontImp.hh"
#include "App.hh"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif //HAVE_CONFIG_H
#ifdef HAVE_SETLOCALE
#include <locale.h>
#endif // HAVE_SETLOCALE
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif // _GNU_SOURCE
#include <cstdio>
#include <cstdarg>
#include <iostream>
using namespace std;
namespace {
const char *getFontSize(const char *pattern, int *size) {
const char *p;
const char *p2=0;
int n=0;
for (p=pattern; 1; p++) {
if (!*p) {
if (p2!=0 && n>1 && n<72) {
*size = n; return p2+1;
} else {
*size = 16; return 0;
}
} else if (*p=='-') {
if (n>1 && n<72 && p2!=0) {
*size = n;
return p2+1;
}
p2=p; n=0;
} else if (*p>='0' && *p<='9' && p2!=0) {
n *= 10;
n += *p-'0';
} else {
p2=0; n=0;
}
}
}
const char *getFontElement(const char *pattern, char *buf, int bufsiz, ...) {
const char *p, *v;
char *p2;
va_list va;
va_start(va, bufsiz);
buf[bufsiz-1] = 0;
buf[bufsiz-2] = '*';
while((v = va_arg(va, char *)) != 0) {
p = strcasestr(pattern, v);
if (p) {
std::strncpy(buf, p+1, bufsiz-2);
p2 = strchr(buf, '-');
if (p2) *p2=0;
va_end(va);
return p;
}
}
va_end(va);
std::strncpy(buf, "*", bufsiz);
return 0;
}
XFontSet createFontSet(const char *fontname) {
Display *display = FbTk::App::instance()->display();
XFontSet fs;
const int FONT_ELEMENT_SIZE=50;
char **missing, *def = "-";
int nmissing, pixel_size = 0, buf_size = 0;
char weight[FONT_ELEMENT_SIZE], slant[FONT_ELEMENT_SIZE];
fs = XCreateFontSet(display,
fontname, &missing, &nmissing, &def);
if (fs && (! nmissing)) return fs;
#ifdef HAVE_SETLOCALE
if (! fs) {
if (nmissing) XFreeStringList(missing);
setlocale(LC_CTYPE, "C");
fs = XCreateFontSet(display, fontname,
&missing, &nmissing, &def);
setlocale(LC_CTYPE, "");
}
#endif // HAVE_SETLOCALE
if (fs) {
XFontStruct **fontstructs;
char **fontnames;
XFontsOfFontSet(fs, &fontstructs, &fontnames);
fontname = fontnames[0];
}
getFontElement(fontname, weight, FONT_ELEMENT_SIZE,
"-medium-", "-bold-", "-demibold-", "-regular-", 0);
getFontElement(fontname, slant, FONT_ELEMENT_SIZE,
"-r-", "-i-", "-o-", "-ri-", "-ro-", 0);
getFontSize(fontname, &pixel_size);
if (! strcmp(weight, "*"))
std::strncpy(weight, "medium", FONT_ELEMENT_SIZE);
if (! strcmp(slant, "*"))
std::strncpy(slant, "r", FONT_ELEMENT_SIZE);
if (pixel_size < 3)
pixel_size = 3;
else if (pixel_size > 97)
pixel_size = 97;
buf_size = strlen(fontname) + (FONT_ELEMENT_SIZE * 2) + 64;
char *pattern2 = new char[buf_size];
snprintf(pattern2, buf_size - 1,
"%s,"
"-*-*-%s-%s-*-*-%d-*-*-*-*-*-*-*,"
"-*-*-*-*-*-*-%d-*-*-*-*-*-*-*,*",
fontname, weight, slant, pixel_size, pixel_size);
fontname = pattern2;
if (nmissing)
XFreeStringList(missing);
if (fs)
XFreeFontSet(display, fs);
fs = XCreateFontSet(display, fontname,
&missing, &nmissing, &def);
delete [] pattern2;
return fs;
}
};
namespace FbTk {
XmbFontImp::XmbFontImp(const char *filename, bool utf8):m_fontset(0), m_utf8mode(utf8) {
#ifdef DEBUG
#ifdef X_HAVE_UTF8_STRING
cerr<<"Using utf8 = "<<utf8<<endl;
#else // X_HAVE_UTF8_STRING
cerr<<"Using uft8 = false"<<endl;
#endif //X_HAVE_UTF8_STRING
#endif // DEBUG
if (filename != 0)
load(filename);
}
XmbFontImp::~XmbFontImp() {
if (m_fontset != 0)
XFreeFontSet(App::instance()->display(), m_fontset);
}
bool XmbFontImp::load(const std::string &fontname) {
if (fontname.size() == 0)
return false;
XFontSet set = createFontSet(fontname.c_str());
if (set == 0)
return false;
if (m_fontset != 0)
XFreeFontSet(App::instance()->display(), m_fontset);
m_fontset = set;
m_setextents = XExtentsOfFontSet(m_fontset);
return true;
}
void XmbFontImp::drawText(Drawable w, int screen, GC gc, const char *text,
size_t len, int x, int y) const {
if (text == 0 || len == 0 || w == 0 || m_fontset == 0)
return;
#ifdef X_HAVE_UTF8_STRING
if (m_utf8mode) {
Xutf8DrawString(App::instance()->display(), w, m_fontset,
gc, x, y,
text, len);
} else
#endif //X_HAVE_UTF8_STRING
{
XmbDrawString(App::instance()->display(), w, m_fontset,
gc, x, y,
text, len);
}
}
unsigned int XmbFontImp::textWidth(const char * const text, unsigned int len) const {
if (m_fontset == 0)
return 0;
XRectangle ink, logical;
#ifdef X_HAVE_UTF8_STRING
if (m_utf8mode) {
Xutf8TextExtents(m_fontset, text, len,
&ink, &logical);
} else
#endif // X_HAVE_UTF8_STRING
{
XmbTextExtents(m_fontset, text, len,
&ink, &logical);
}
return logical.width;
}
unsigned int XmbFontImp::height() const {
if (m_fontset == 0)
return 0;
return m_setextents->max_ink_extent.height;
}
}; // end namespace FbTk
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