// XmbFontImp.cc for FbTk fluxbox toolkit // Copyright (c) 2002 - 2005 Henrik Kinnunen (fluxgen at fluxbox dot 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. // $Id$ #include "XmbFontImp.hh" #include "App.hh" #include "StringUtil.hh" #include "FbDrawable.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 #ifdef HAVE_CSTDIO #include <cstdio> #else #include <stdio.h> #endif #ifdef HAVE_CSTDARG #include <cstdarg> #else #include <stdarg.h> #endif #include <iostream> #ifdef HAVE_CSTRING #include <cstring> #else #include <string.h> #endif 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 = FbTk::StringUtil::strcasestr(pattern, v); if (p) { strncpy(buf, p+1, bufsiz-2); p2 = strchr(buf, '-'); if (p2) *p2=0; va_end(va); return p; } } va_end(va); strncpy(buf, "*", bufsiz); return 0; } XFontSet createFontSet(const char *fontname, bool& utf8mode) { 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]; std::string orig_locale = ""; #ifdef HAVE_SETLOCALE if (utf8mode) { orig_locale = setlocale(LC_CTYPE, NULL); setlocale(LC_CTYPE, "UTF-8"); } #endif // HAVE_SETLOCALE fs = XCreateFontSet(display, fontname, &missing, &nmissing, &def); if (fs && (! nmissing)) { #ifdef HAVE_SETLOCALE if (utf8mode) setlocale(LC_CTYPE, orig_locale.c_str()); #endif // HAVE_SETLOCALE 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, orig_locale.c_str()); } #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-", NULL); getFontElement(fontname, slant, FONT_ELEMENT_SIZE, "-r-", "-i-", "-o-", "-ri-", "-ro-", NULL); getFontSize(fontname, &pixel_size); if (! strcmp(weight, "*")) strncpy(weight, "medium", FONT_ELEMENT_SIZE); if (! strcmp(slant, "*")) 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; #ifdef HAVE_SETLOCALE if (utf8mode) setlocale(LC_CTYPE, orig_locale.c_str()); #endif // HAVE_SETLOCALE utf8mode = false; return fs; } }; namespace FbTk { XmbFontImp::XmbFontImp(const char *filename, bool utf8) : m_fontset(0), m_setextents(0), m_utf8mode(utf8) { 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.empty()) return false; XFontSet set = createFontSet(fontname.c_str(), m_utf8mode); 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(const FbDrawable &w, int screen, GC gc, const char *text, size_t len, int x, int y) const { if (m_fontset == 0) return; #ifdef X_HAVE_UTF8_STRING if (m_utf8mode) { Xutf8DrawString(w.display(), w.drawable(), m_fontset, gc, x, y, text, len); } else #endif //X_HAVE_UTF8_STRING { XmbDrawString(w.display(), w.drawable(), 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); if (logical.width != 0) return logical.width; } #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