// XmbFontImp.cc for FbTk fluxbox toolkit // Copyright (c) 2002 - 2006 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. #include "XmbFontImp.hh" #include "App.hh" #include "TextUtils.hh" #include "StringUtil.hh" #include "FbPixmap.hh" #include "GContext.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 #ifdef HAVE_CSTRING #include <cstring> #else #include <string.h> #endif using std::string; 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; char **missing; const char *constdef = "-"; char *def = const_cast<char *>(constdef); int nmissing; string orig_locale = ""; #ifdef HAVE_SETLOCALE if (utf8mode) { orig_locale = setlocale(LC_CTYPE, NULL); if (setlocale(LC_CTYPE, "UTF-8") == NULL) { utf8mode = false; } } #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()); return fs; } if (utf8mode) setlocale(LC_CTYPE, orig_locale.c_str()); #endif // HAVE_SETLOCALE // set to false because our strings won't be utf8-happy 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 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 &d, int screen, GC main_gc, const FbString &text, size_t len, int x, int y, FbTk::Orientation orient) { if (m_fontset == 0) return; if (orient == ROT0) { #ifdef X_HAVE_UTF8_STRING if (m_utf8mode) { Xutf8DrawString(d.display(), d.drawable(), m_fontset, main_gc, x, y, text.data(), len); } else #endif //X_HAVE_UTF8_STRING { string localestr = text; localestr.erase(len, string::npos); localestr = FbStringUtil::FbStrToLocale(localestr); XmbDrawString(d.display(), d.drawable(), m_fontset, main_gc, x, y, localestr.data(), localestr.size()); } return; } Display *dpy = App::instance()->display(); int xpos = x, ypos = y; unsigned int w = d.width(); unsigned int h = d.height(); translateSize(orient, w, h); untranslateCoords(orient, xpos, ypos, w, h); // not straight forward, we actually draw it elsewhere, then rotate it FbTk::FbPixmap canvas(d.drawable(), w, h, 1); // create graphic context for our canvas FbTk::GContext font_gc(canvas); font_gc.setBackground(None); font_gc.setForeground(None); XFillRectangle(dpy, canvas.drawable(), font_gc.gc(), 0, 0, canvas.width(), canvas.height()); font_gc.setForeground(1); #ifdef X_HAVE_UTF8_STRING if (m_utf8mode) { Xutf8DrawString(dpy, canvas.drawable(), m_fontset, font_gc.gc(), xpos, ypos, text.data(), len); } else #endif //X_HAVE_UTF8_STRING { string localestr = text; localestr.erase(len, string::npos); localestr = FbStringUtil::FbStrToLocale(localestr); XmbDrawString(dpy, canvas.drawable(), m_fontset, font_gc.gc(), xpos, ypos, localestr.data(), localestr.size()); } canvas.rotate(orient); GC my_gc = XCreateGC(dpy, d.drawable(), 0, 0); XCopyGC(dpy, main_gc, GCForeground|GCBackground, my_gc); // vertical or upside down XSetFillStyle(dpy, my_gc, FillStippled); // vertical or upside down XSetFillStyle(dpy, my_gc, FillStippled); XSetStipple(dpy, my_gc, canvas.drawable()); XSetTSOrigin(dpy, my_gc, 0, 0); XFillRectangle(dpy, d.drawable(), my_gc, 0, 0, canvas.width(), canvas.height()); XFreeGC(dpy, my_gc); } unsigned int XmbFontImp::textWidth(const FbString &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.data(), len, &ink, &logical); if (logical.width != 0) return logical.width; } #endif // X_HAVE_UTF8_STRING string localestr = text; if (len > localestr.length()) len = localestr.length(); localestr.erase(len, string::npos); localestr = FbStringUtil::FbStrToLocale(localestr); XmbTextExtents(m_fontset, localestr.data(), localestr.size(), &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