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/***************************************************************************
copyright : (C) 2003-2006 by Robby Stephenson
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* 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;
}
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