220 lines
6.6 KiB
C++
220 lines
6.6 KiB
C++
/*
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* This file Copyright (C) 2009-2014 Mnemosyne LLC
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*
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* It may be used under the GNU Public License v2 or v3 licenses,
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* or any future license endorsed by Mnemosyne LLC.
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*
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* $Id$
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*/
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#include <iostream>
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#ifdef _WIN32
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#include <windows.h>
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#include <shellapi.h>
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#endif
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#include <QApplication>
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#include <QDataStream>
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#include <QFile>
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#include <QFileDialog>
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#include <QFileInfo>
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#include <QInputDialog>
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#include <QObject>
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#include <QPixmapCache>
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#include <QSet>
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#include <QStyle>
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#include <libtransmission/transmission.h>
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#include <libtransmission/utils.h> // tr_formatter
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#include "utils.h"
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/***
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****
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***/
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#if defined(_WIN32) && QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
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// Should be in QtWinExtras soon, but for now let's import it manually
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extern QPixmap qt_pixmapFromWinHICON(HICON icon);
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#endif
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QString
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Utils :: remoteFileChooser (QWidget * parent, const QString& title, const QString& myPath, bool dir, bool local)
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{
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QString path;
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if (local)
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{
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if (dir)
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path = QFileDialog::getExistingDirectory (parent, title, myPath);
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else
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path = QFileDialog::getOpenFileName (parent, title, myPath);
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}
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else
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{
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path = QInputDialog::getText (parent, title, tr ("Enter a location:"), QLineEdit::Normal, myPath, NULL);
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}
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return path;
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}
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void
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Utils :: toStderr (const QString& str)
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{
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std::cerr << qPrintable(str) << std::endl;
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}
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#ifdef _WIN32
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namespace
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{
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void
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addAssociatedFileIcon (const QFileInfo& fileInfo, UINT iconSize, QIcon& icon)
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{
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QString const pixmapCacheKey = QLatin1String ("tr_file_ext_")
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+ QString::number (iconSize)
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+ "_"
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+ fileInfo.suffix ();
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QPixmap pixmap;
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if (!QPixmapCache::find (pixmapCacheKey, &pixmap))
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{
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const QString filename = fileInfo.fileName ();
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SHFILEINFO shellFileInfo;
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if (::SHGetFileInfoW ((const wchar_t*) filename.utf16 (), FILE_ATTRIBUTE_NORMAL,
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&shellFileInfo, sizeof(shellFileInfo),
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SHGFI_ICON | iconSize | SHGFI_USEFILEATTRIBUTES) != 0)
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{
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if (shellFileInfo.hIcon != NULL)
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{
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#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
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pixmap = qt_pixmapFromWinHICON (shellFileInfo.hIcon);
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#else
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pixmap = QPixmap::fromWinHICON (shellFileInfo.hIcon);
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#endif
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::DestroyIcon (shellFileInfo.hIcon);
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}
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}
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QPixmapCache::insert (pixmapCacheKey, pixmap);
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}
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if (!pixmap.isNull ())
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icon.addPixmap (pixmap);
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}
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} // namespace
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#endif
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QIcon
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Utils :: guessMimeIcon (const QString& filename)
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{
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#ifdef _WIN32
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QIcon icon;
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if (!filename.isEmpty ())
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{
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const QFileInfo fileInfo (filename);
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addAssociatedFileIcon (fileInfo, SHGFI_SMALLICON, icon);
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addAssociatedFileIcon (fileInfo, 0, icon);
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addAssociatedFileIcon (fileInfo, SHGFI_LARGEICON, icon);
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}
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if (icon.isNull ())
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icon = QApplication::style ()->standardIcon (QStyle::SP_FileIcon);
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return icon;
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#else
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enum { DISK, DOCUMENT, PICTURE, VIDEO, ARCHIVE, AUDIO, APP, TYPE_COUNT };
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static QIcon fallback;
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static QIcon fileIcons[TYPE_COUNT];
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static QSet<QString> suffixes[TYPE_COUNT];
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if (fileIcons[0].isNull ())
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{
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fallback = QApplication::style()->standardIcon (QStyle :: SP_FileIcon);
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suffixes[DISK] << QString::fromLatin1("iso");
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fileIcons[DISK]= QIcon::fromTheme (QString::fromLatin1("media-optical"), fallback);
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const char * doc_types[] = {
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"abw", "csv", "doc", "dvi", "htm", "html", "ini", "log", "odp",
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"ods", "odt", "pdf", "ppt", "ps", "rtf", "tex", "txt", "xml" };
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for (int i=0, n=sizeof(doc_types)/sizeof(doc_types[0]); i<n; ++i)
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suffixes[DOCUMENT] << QString::fromLatin1(doc_types[i]);
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fileIcons[DOCUMENT] = QIcon::fromTheme (QString::fromLatin1("text-x-generic"), fallback);
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const char * pic_types[] = {
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"bmp", "gif", "jpg", "jpeg", "pcx", "png", "psd", "ras", "tga", "tiff" };
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for (int i=0, n=sizeof(pic_types)/sizeof(pic_types[0]); i<n; ++i)
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suffixes[PICTURE] << QString::fromLatin1(pic_types[i]);
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fileIcons[PICTURE] = QIcon::fromTheme (QString::fromLatin1("image-x-generic"), fallback);
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const char * vid_types[] = {
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"3gp", "asf", "avi", "mkv", "mov", "mpeg", "mpg", "mp4",
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"ogm", "ogv", "qt", "rm", "wmv" };
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for (int i=0, n=sizeof(vid_types)/sizeof(vid_types[0]); i<n; ++i)
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suffixes[VIDEO] << QString::fromLatin1(vid_types[i]);
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fileIcons[VIDEO] = QIcon::fromTheme (QString::fromLatin1("video-x-generic"), fallback);
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const char * arc_types[] = {
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"7z", "ace", "bz2", "cbz", "gz", "gzip", "lzma", "rar", "sft", "tar", "zip" };
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for (int i=0, n=sizeof(arc_types)/sizeof(arc_types[0]); i<n; ++i)
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suffixes[ARCHIVE] << QString::fromLatin1(arc_types[i]);
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fileIcons[ARCHIVE] = QIcon::fromTheme (QString::fromLatin1("package-x-generic"), fallback);
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const char * aud_types[] = {
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"aac", "ac3", "aiff", "ape", "au", "flac", "m3u", "m4a", "mid", "midi", "mp2",
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"mp3", "mpc", "nsf", "oga", "ogg", "ra", "ram", "shn", "voc", "wav", "wma" };
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for (int i=0, n=sizeof(aud_types)/sizeof(aud_types[0]); i<n; ++i)
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suffixes[AUDIO] << QString::fromLatin1(aud_types[i]);
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fileIcons[AUDIO] = QIcon::fromTheme (QString::fromLatin1("audio-x-generic"), fallback);
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const char * exe_types[] = { "bat", "cmd", "com", "exe" };
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for (int i=0, n=sizeof(exe_types)/sizeof(exe_types[0]); i<n; ++i)
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suffixes[APP] << QString::fromLatin1(exe_types[i]);
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fileIcons[APP] = QIcon::fromTheme (QString::fromLatin1("application-x-executable"), fallback);
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}
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QString suffix (QFileInfo (filename).suffix ().toLower ());
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for (int i=0; i<TYPE_COUNT; ++i)
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if (suffixes[i].contains (suffix))
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return fileIcons[i];
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return fallback;
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#endif
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}
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bool
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Utils :: isValidUtf8 (const char *s)
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{
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int n; // number of bytes in a UTF-8 sequence
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for (const char *c = s; *c; c += n)
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{
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if ((*c & 0x80) == 0x00) n = 1; // ASCII
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else if ((*c & 0xc0) == 0x80) return false; // not valid
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else if ((*c & 0xe0) == 0xc0) n = 2;
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else if ((*c & 0xf0) == 0xe0) n = 3;
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else if ((*c & 0xf8) == 0xf0) n = 4;
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else if ((*c & 0xfc) == 0xf8) n = 5;
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else if ((*c & 0xfe) == 0xfc) n = 6;
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else return false;
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for (int m = 1; m < n; m++)
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if ((c[m] & 0xc0) != 0x80)
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return false;
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}
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return true;
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}
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QString
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Utils :: removeTrailingDirSeparator (const QString& path)
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{
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return path.endsWith (QDir::separator ())
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? path.left (path.length()-1)
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: path;
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}
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