mirror of
https://github.com/RetroShare/RetroShare.git
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1b42c9457e
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@297 b45a01b8-16f6-495d-af2f-9b41ad6348cc
311 lines
8.9 KiB
C++
311 lines
8.9 KiB
C++
/****************************************************************
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* This file is distributed under the following license:
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*
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* Copyright (c) 2006-2007, crypton
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* Copyright (c) 2006, Matt Edman, Justin Hipple
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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
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* GNU 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; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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****************************************************************/
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#include <QDir>
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#include <QTextStream>
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#include <QStyleFactory>
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#include <util/string.h>
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#include <lang/languagesupport.h>
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#include "config/rsharesettings.h"
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#include "rshare.h"
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/* Available command-line arguments. */
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#define ARG_LANGUAGE "lang" /**< Argument specifying language. */
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#define ARG_GUISTYLE "style" /**< Argument specfying GUI style. */
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#define ARG_GUISTYLESHEET "stylesheet" /**< Argument specfying GUI style. */
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#define ARG_RESET "reset" /**< Reset Rshare's saved settings. */
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#define ARG_DATADIR "datadir" /**< Directory to use for data files. */
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/* Static member variables */
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QMap<QString, QString> Rshare::_args; /**< List of command-line arguments. */
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QString Rshare::_style; /**< The current GUI style. */
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QString Rshare::_language; /**< The current language. */
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QString Rshare::_stylesheet; /**< The current GUI style. */
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bool Rshare::useConfigDir;
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QString Rshare::configDir;
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/** Constructor. Parses the command-line arguments, resets Rshare's
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* configuration (if requested), and sets up the GUI style and language
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* translation. */
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Rshare::Rshare(QStringList args, int &argc, char **argv, QString dir)
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: QApplication(argc, argv)
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{
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/* Read in all our command-line arguments. */
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parseArguments(args);
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/* Check if we're supposed to reset our config before proceeding. */
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if (_args.contains(ARG_RESET)) {
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RshareSettings settings;
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settings.reset();
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}
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/* config directory */
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useConfigDir = false;
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if (dir != "")
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{
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setConfigDirectory(dir);
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}
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/** Initialize support for language translations. */
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LanguageSupport::initialize();
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/** Translate the GUI to the appropriate language. */
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setLanguage(_args.value(ARG_LANGUAGE));
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/** Set the GUI style appropriately. */
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setStyle(_args.value(ARG_GUISTYLE));
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/** Set the GUI stylesheet appropriately. */
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setSheet(_args.value(ARG_GUISTYLESHEET));
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}
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/** Destructor */
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Rshare::~Rshare()
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{
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}
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#if defined(Q_OS_WIN)
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/** On Windows, we need to catch the WM_QUERYENDSESSION message
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* so we know that it is time to shutdown. */
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bool
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Rshare::winEventFilter(MSG *msg, long *result)
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{
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if (msg->message == WM_QUERYENDSESSION) {
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emit shutdown();
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}
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return QApplication::winEventFilter(msg, result);
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}
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#endif
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/** Display usage information regarding command-line arguments. */
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void
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Rshare::printUsage(QString errmsg)
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{
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QTextStream out(stdout);
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/* If there was an error message, print it out. */
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if (!errmsg.isEmpty()) {
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out << "** " << errmsg << " **" << endl << endl;
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}
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/* Now print the application usage */
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out << "Usage: " << endl;
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out << "\t" << qApp->arguments().at(0) << " [options]" << endl;
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/* And available options */
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out << endl << "Available Options:" << endl;
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out << "\t-"ARG_RESET"\t\tResets ALL stored Rshare settings." << endl;
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out << "\t-"ARG_DATADIR"\tSets the directory Rshare uses for data files"<< endl;
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out << "\t-"ARG_GUISTYLE"\t\tSets Rshare's interface style." << endl;
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out << "\t-"ARG_GUISTYLESHEET"\t\tSets Rshare's stylesheet." << endl;
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out << "\t\t\t[" << QStyleFactory::keys().join("|") << "]" << endl;
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out << "\t-"ARG_LANGUAGE"\t\tSets Rshare's language." << endl;
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out << "\t\t\t[" << LanguageSupport::languageCodes().join("|") << "]" << endl;
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}
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/** Returns true if the specified argument expects a value. */
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bool
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Rshare::argNeedsValue(QString argName)
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{
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return (argName == ARG_GUISTYLE ||
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argName == ARG_GUISTYLESHEET ||
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argName == ARG_LANGUAGE ||
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argName == ARG_DATADIR);
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}
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/** Parses the list of command-line arguments for their argument names and
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* values. */
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void
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Rshare::parseArguments(QStringList args)
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{
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QString arg, value;
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/* Loop through all command-line args/values and put them in a map */
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for (int i = 0; i < args.size(); i++) {
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/* Get the argument name and set a blank value */
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arg = args.at(i).toLower();
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value = "";
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/* Check if it starts with a - or -- */
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if (arg.startsWith("-")) {
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arg = arg.mid((arg.startsWith("--") ? 2 : 1));
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}
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/* Check if it takes a value and there is one on the command-line */
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if (i < args.size()-1 && argNeedsValue(arg)) {
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value = args.at(++i);
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}
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/* Place this arg/value in the map */
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_args.insert(arg, value);
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}
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}
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/** Verifies that all specified arguments were valid. */
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bool
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Rshare::validateArguments(QString &errmsg)
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{
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/* If they want help, just return false now
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if (_args.contains(ARG_HELP)) {
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return false;
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}*/
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/* Check for a language that Retroshare recognizes. */
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if (_args.contains(ARG_LANGUAGE) &&
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!LanguageSupport::isValidLanguageCode(_args.value(ARG_LANGUAGE))) {
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errmsg = tr("Invalid language code specified: ") + _args.value(ARG_LANGUAGE);
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return false;
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}
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/* Check for a valid GUI style */
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if (_args.contains(ARG_GUISTYLE) &&
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!QStyleFactory::keys().contains(_args.value(ARG_GUISTYLE),
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Qt::CaseInsensitive)) {
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errmsg = tr("Invalid GUI style specified: ") + _args.value(ARG_GUISTYLE);
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return false;
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}
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return true;
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}
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/** Sets the translation RetroShare will use. If one was specified on the
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* command-line, we will use that. Otherwise, we'll check to see if one was
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* saved previously. If not, we'll default to one appropriate for the system
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* locale. */
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bool
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Rshare::setLanguage(QString languageCode)
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{
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/* If the language code is empty, use the previously-saved setting */
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if (languageCode.isEmpty()) {
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RshareSettings settings;
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languageCode = settings.getLanguageCode();
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}
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/* Translate into the desired langauge */
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if (LanguageSupport::translate(languageCode)) {
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_language = languageCode;
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return true;
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}
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return false;
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}
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/** Sets the GUI style RetroShare will use. If one was specified on the
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* command-line, we will use that. Otherwise, we'll check to see if one was
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* saved previously. If not, we'll default to one appropriate for the
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* operating system. */
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bool
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Rshare::setStyle(QString styleKey)
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{
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/* If no style was specified, use the previously-saved setting */
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if (styleKey.isEmpty()) {
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RshareSettings settings;
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styleKey = settings.getInterfaceStyle();
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}
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/* Apply the specified GUI style */
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if (QApplication::setStyle(styleKey)) {
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_style = styleKey;
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return true;
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}
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return false;
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}
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bool
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Rshare::setSheet(QString sheet)
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{
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/* If no stylesheet was specified, use the previously-saved setting */
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if (sheet.isEmpty()) {
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RshareSettings settings;
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sheet = settings.getSheetName();
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}
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/* Apply the specified GUI stylesheet */
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/*if (QApplication::setSheet(sheet)) {*/
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_stylesheet = sheet;
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return true;
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/*}
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return false;*/
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}
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/** Displays the help page associated with the specified topic. If no topic is
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* specified, then the default help page will be displayed. */
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/**void
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Rshare::help(QString topic)
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{
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_help->show(topic);
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}*/
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/** Returns the directory RetroShare uses for its data files. */
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QString
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Rshare::dataDirectory()
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{
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if (useConfigDir)
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{
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return configDir;
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}
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else if (_args.contains(ARG_DATADIR)) {
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return _args.value(ARG_DATADIR);
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}
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return defaultDataDirectory();
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}
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/** Returns the default location of RetroShare's data directory. */
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QString
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Rshare::defaultDataDirectory()
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{
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#if defined(Q_OS_WIN32)
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return (win32_app_data_folder() + "\\RetroShare");
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#else
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return (QDir::homePath() + "/.RetroShare");
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#endif
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}
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/** Creates Rshare's data directory, if it doesn't already exist. */
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bool
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Rshare::createDataDirectory(QString *errmsg)
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{
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QDir datadir(dataDirectory());
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if (!datadir.exists()) {
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QString path = datadir.absolutePath();
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if (!datadir.mkpath(path)) {
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return err(errmsg,
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QString("Could not create data directory: %1").arg(path));
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}
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}
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return true;
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}
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/** Set Rshare's data directory - externally */
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bool Rshare::setConfigDirectory(QString dir)
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{
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useConfigDir = true;
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configDir = dir;
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return true;
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}
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