130 lines
4.8 KiB
C++
130 lines
4.8 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2017 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef UTILS_H
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#define UTILS_H
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#include "thread.h"
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#include <math.h>
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#include <sys/types.h>
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#include <QtGlobal>
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#include <QString>
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#include <QLatin1Char>
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#include <QDir>
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#include <QFont>
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#include <QPainterPath>
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#include <stdlib.h>
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#ifdef Q_OS_WIN
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#include <time.h>
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#endif
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#include <sys/time.h>
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class QString;
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class QWidget;
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class QUrl;
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class QRectF;
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namespace Utils
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{
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extern const QLatin1Char constDirSep;
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extern const QLatin1String constDirSepStr;
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extern const char * constDirSepCharStr;
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inline bool equal(double d1, double d2, double precision=0.0001)
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{
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return (fabs(d1 - d2) < precision);
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}
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inline int random(int max=0) { return max ? (qrand()%max) : qrand(); }
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inline void initRand() { timeval time; gettimeofday(&time, NULL); qsrand((time.tv_sec*1000)+(time.tv_usec/1000)); }
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extern QString fixPath(const QString &d, bool ensureEndsInSlash=true);
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#ifdef Q_OS_WIN
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inline QString homeToTilda(const QString &s) { return s; }
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inline QString tildaToHome(const QString &s) { return s; }
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#else
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extern QString homeToTilda(const QString &s);
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extern QString tildaToHome(const QString &s);
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#endif
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extern QString getDir(const QString &file);
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extern QString getFile(const QString &file);
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extern QString changeExtension(const QString &file, const QString &extension);
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extern bool isDirReadable(const QString &dir);
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inline void msleep(int msecs) { Thread::msleep(msecs); }
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inline void sleep() { msleep(100); }
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extern QString strippedText(QString s);
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extern QString stripAcceleratorMarkers(QString label);
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// Convert path to a format suitable fo rUI - e.g. use native separators, and remove any trailing separator
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extern QString convertPathForDisplay(const QString &dir, bool isFolder=true);
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// Convert path from a UI field - convert to / separators, and add a trailing separator (if isFolder)
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extern QString convertPathFromDisplay(const QString &dir, bool isFolder=true);
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#ifndef Q_OS_WIN
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extern gid_t getGroupId(const char *groupName="users"); // Return 0 if user is not in group, otherwise returns group ID
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#endif
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extern void setFilePerms(const QString &file, const char *groupName="users");
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extern bool makeDir(const QString &dir, int mode);
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extern bool createWorldReadableDir(const QString &dir, const QString &base, const char *groupName="users");
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extern QString findExe(const QString &appname, const QString &pathstr=QString());
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extern QString formatByteSize(double size);
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inline QString formatNumber(double number, int precision) { return QString::number(number, 'f', precision); }
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extern QString formatDuration(const quint32 totalseconds);
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extern QString formatTime(const quint32 seconds, bool zeroIsUnknown=false);
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extern QString cleanPath(const QString &p);
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extern QString dataDir(const QString &sub=QString(), bool create=false);
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extern QString cacheDir(const QString &sub=QString(), bool create=true);
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extern QString systemDir(const QString &sub);
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extern QString helper(const QString &app);
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extern bool moveFile(const QString &from, const QString &to);
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extern void moveDir(const QString &from, const QString &to);
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extern void clearOldCache(const QString &sub, int maxAge);
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extern void touchFile(const QString &fileName);
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extern double smallFontFactor(const QFont &f);
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extern QFont smallFont(QFont f);
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extern int layoutSpacing(QWidget *w);
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extern double screenDpiScale();
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inline bool isHighDpi() { return screenDpiScale()>1.35; }
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inline int scaleForDpi(int v) { return qRound(screenDpiScale()*v); }
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extern bool limitedHeight(QWidget *w);
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extern void resizeWindow(QWidget *w, bool preserveWidth=true, bool preserveHeight=true);
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extern void raiseWindow(QWidget *w);
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enum Desktop {
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KDE,
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Gnome,
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Unity,
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Other
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};
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extern Desktop currentDe();
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extern QPainterPath buildPath(const QRectF &r, double radius);
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extern QColor clampColor(const QColor &col);
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extern QColor monoIconColor();
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}
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#endif
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