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Diffstat (limited to 'src/tellico_utils.cpp')
| -rw-r--r-- | src/tellico_utils.cpp | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/src/tellico_utils.cpp b/src/tellico_utils.cpp new file mode 100644 index 0000000..6af6706 --- /dev/null +++ b/src/tellico_utils.cpp @@ -0,0 +1,218 @@ +/*************************************************************************** + copyright : (C) 2003-2006 by Robby Stephenson + email : robby@periapsis.org + ***************************************************************************/ + +/*************************************************************************** + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of version 2 of the GNU General Public License as * + * published by the Free Software Foundation; * + * * + ***************************************************************************/ + +#include "tellico_utils.h" +#include "tellico_kernel.h" +#include "latin1literal.h" +#include "tellico_debug.h" + +#include <kapplication.h> +#include <klocale.h> +#include <kglobal.h> +#include <klibloader.h> +#include <kstandarddirs.h> +#include <kcharsets.h> + +#include <qregexp.h> +#include <qdir.h> +#include <qcursor.h> +#include <qscrollview.h> + +namespace { + static const int STRING_STORE_SIZE = 997; // too big, too small? +} + +QColor Tellico::contrastColor; + +QString Tellico::decodeHTML(QString text) { + QRegExp rx(QString::fromLatin1("&(.+);")); + rx.setMinimal(true); + int pos = rx.search(text); + while(pos > -1) { + QChar c = KCharsets::fromEntity(rx.cap(1)); + if(!c.isNull()) { + text.replace(pos, rx.matchedLength(), c); + } + pos = rx.search(text, pos+1); + } + return text; +} + +QString Tellico::uid(int l, bool prefix) { + QString uid; + if(prefix) { + uid = QString::fromLatin1("Tellico"); + } + uid.append(kapp->randomString(QMAX(l - uid.length(), 0))); + return uid; +} + +uint Tellico::toUInt(const QString& s, bool* ok) { + if(s.isEmpty()) { + if(ok) { + *ok = false; + } + return 0; + } + + uint idx = 0; + while(s[idx].isDigit()) { + ++idx; + } + if(idx == 0) { + if(ok) { + *ok = false; + } + return 0; + } + return s.left(idx).toUInt(ok); +} + +QString Tellico::i18nReplace(QString text) { + // Because QDomDocument sticks in random newlines, go ahead and grab them too + static QRegExp rx(QString::fromLatin1("(?:\\n+ *)*<i18n>([^<]*)</i18n>(?: *\\n+)*")); + int pos = rx.search(text); + while(pos > -1) { + text.replace(pos, rx.matchedLength(), i18n(rx.cap(1).utf8())); + pos = rx.search(text, pos+rx.matchedLength()); + } + return text; +} + +QStringList Tellico::findAllSubDirs(const QString& dir_) { + if(dir_.isEmpty()) { + return QStringList(); + } + + // TODO: build in symlink checking, for now, prohibit + QDir dir(dir_, QString::null, QDir::Name | QDir::IgnoreCase, QDir::Dirs | QDir::Readable | QDir::NoSymLinks); + + QStringList allSubdirs; // the whole list + + // find immediate sub directories + const QStringList subdirs = dir.entryList(); + for(QStringList::ConstIterator subdir = subdirs.begin(); subdir != subdirs.end(); ++subdir) { + if((*subdir).isEmpty() || *subdir == Latin1Literal(".") || *subdir == Latin1Literal("..")) { + continue; + } + QString absSubdir = dir.absFilePath(*subdir); + allSubdirs += findAllSubDirs(absSubdir); + allSubdirs += absSubdir; + } + return allSubdirs; +} + +// Based on QGDict's hash functions, Copyright (C) 1992-2000 Trolltech AS +// and used from Juk, Copyright (C) 2003 - 2004 by Scott Wheeler +int Tellico::stringHash(const QString& str) { + uint h = 0; + uint g = 0; + for(uint i = 0; i < str.length(); ++i) { + h = (h << 4) + str.unicode()[i].cell(); + if((g = h & 0xf0000000)) { + h ^= g >> 24; + } + h &= ~g; + } + + int index = h; + return index < 0 ? -index : index; +} + +QString Tellico::shareString(const QString& str) { + static QString stringStore[STRING_STORE_SIZE]; + + const int hash = stringHash(str) % STRING_STORE_SIZE; + if(stringStore[hash] != str) { + stringStore[hash] = str; + } + return stringStore[hash]; +} + +void Tellico::updateContrastColor(const QColorGroup& cg_) { + // if the value difference between background and highlight is more than ??? + // use highlight, else go lighter or darker + int h1, s1, v1, h2, s2, v2; + cg_.background().getHsv(&h1, &s1, &v1); + + QColor hl = cg_.highlight(); + hl.getHsv(&h2, &s2, &v2); + h2 += 120; + s2 = 255; + hl.setHsv(h2, s2, v2); + + if(KABS(v2-v1) < 48) { + if(v1 < 128) { + contrastColor = hl.light(); + } else { + contrastColor = hl.dark(); + } + } else { + contrastColor = hl; + } +} + +KLibrary* Tellico::openLibrary(const QString& libName_) { + QString path = KLibLoader::findLibrary(QFile::encodeName(libName_)); + if(path.isEmpty()) { + kdWarning() << "Tellico::openLibrary() - Could not find library '" << libName_ << "'" << endl; + kdWarning() << "ERROR: " << KLibLoader::self()->lastErrorMessage() << endl; + return 0; + } + + KLibrary* library = KLibLoader::self()->library(QFile::encodeName(path)); + if(!library) { + kdWarning() << "Tellico::openLibrary() - Could not load library '" << libName_ << "'" << endl; + kdWarning() << " PATH: " << path << endl; + kdWarning() << "ERROR: " << KLibLoader::self()->lastErrorMessage() << endl; + return 0; + } + + return library; +} + +QColor Tellico::blendColors(const QColor& color1, const QColor& color2, int percent) { + const double factor2 = percent/100.0; + const double factor1 = 1.0 - factor2; + + const int r = static_cast<int>(color1.red() * factor1 + color2.red() * factor2); + const int g = static_cast<int>(color1.green() * factor1 + color2.green() * factor2); + const int b = static_cast<int>(color1.blue() * factor1 + color2.blue() * factor2); + + return QColor(r, g, b); +} + +QString Tellico::minutes(int seconds) { + int min = seconds / 60; + seconds = seconds % 60; + return QString::number(min) + ':' + QString::number(seconds).rightJustify(2, '0'); +} + +QString Tellico::saveLocation(const QString& dir_) { + return KGlobal::dirs()->saveLocation("appdata", dir_, true); +} + +Tellico::GUI::CursorSaver::CursorSaver(const QCursor& cursor_) : m_restored(false) { + kapp->setOverrideCursor(cursor_); +} + +Tellico::GUI::CursorSaver::~CursorSaver() { + if(!m_restored) { + kapp->restoreOverrideCursor(); + } +} + +void Tellico::GUI::CursorSaver::restore() { + kapp->restoreOverrideCursor(); + m_restored = true; +} |