// XmbFontImp.cc for FbTk fluxbox toolkit // Copyright (c) 2002-2003 Henrik Kinnunen (fluxgen at users.sourceforge.net) // // 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 1.6 2003/04/26 18:57:51 fluxgen Exp $ #include "XmbFontImp.hh" #include "App.hh" #include "StringUtil.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> #include <cstring> using namespace std; namespace { #ifndef HAVE_STRCASESTR //!! TODO this is moved to StringUtil // Tries to find a string in another and // ignoring the case of the characters // Returns 0 on success else pointer to str. const char *strcasestr(const char *str, const char *ptn) { const char *s2, *p2; for( ; *str; str++) { for(s2=str, p2=ptn; ; s2++,p2++) { // check if we reached the end of ptn, if so, return str if (!*p2) return str; // check if the chars match(ignoring case) if (toupper(*s2) != toupper(*p2)) break; } } return 0; } #endif //HAVE_STRCASESTR 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) { 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