added seek support for command line interface (Closes issue 121)

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@1598 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 89 insertions, 0 deletions

diff --git a/src/plugins/CommandLineOptions/SeekOption/seekoption.cpp b/src/plugins/CommandLineOptions/SeekOption/seekoption.cpp
new file mode 100644
index 000000000..444bc73be
--- /dev/null
+++ b/src/plugins/CommandLineOptions/SeekOption/seekoption.cpp
@@ -0,0 +1,89 @@
+/***************************************************************************
+ *   Copyright (C) 2010 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#include <QtPlugin>
+#include <QTranslator>
+#include <QLocale>
+#include <QRegExp>
+#include <qmmp/soundcore.h>
+#include "seekoption.h"
+
+bool SeekOption::identify(const QString &str) const
+{
+    QStringList opts;
+    opts << "--seek" << "--seek-fwd" << "--seek-bwd";
+    return opts.contains(str);
+}
+
+const QString SeekOption::helpString() const
+{
+    QString help;
+    help += QString("--seek <time>        ") + tr("Seek to position in the current track") + "\n";
+    help += QString("--seek-fwd <time>    ") + tr("Seek forward") + "\n";
+    help += QString("--seek-bwd <time>    ") + tr("Seek backwards") + "\n";
+    return  help;
+}
+
+void SeekOption::executeCommand(const QString &opt_str, const QStringList &args)
+{
+    SoundCore *core = SoundCore::instance();
+    if(core->state() != Qmmp::Playing && core->totalTime())
+        return;
+    if(args.isEmpty())
+        return;
+
+    int seek_pos = -1;
+    int elapsed = core->elapsed()/1000;
+
+    QRegExp seek_regexp1 ("^([0-9]{1,4})$");
+    QRegExp seek_regexp2 ("^([0-9]{1,2}):([0-9]{1,2})$");
+
+    if(seek_regexp1.indexIn(args.at(0)) != -1)
+        seek_pos = seek_regexp1.cap(1).toInt();
+    else if(seek_regexp2.indexIn(args.at(0)) != -1)
+        seek_pos = seek_regexp2.cap(1).toInt()*60 + seek_regexp2.cap(2).toInt();
+
+    //seek absolute
+    if(opt_str == "--seek")
+        ;
+    else if(opt_str == "--seek-fwd")
+            seek_pos += elapsed;
+    else if(opt_str == "--seek-bwd")
+        seek_pos = elapsed - seek_pos;
+    qDebug("SeekOption: position = %d", seek_pos);
+
+    if(seek_pos >= 0 && seek_pos < core->totalTime())
+        core->seek(seek_pos * 1000);
+}
+
+const QString SeekOption::name() const
+{
+    return "SeekOption";
+}
+
+QTranslator *SeekOption::createTranslator(QObject *parent)
+{
+    QTranslator *translator = new QTranslator(parent);
+    QString locale = Qmmp::systemLanguageID();
+    translator->load(QString(":/seek_plugin_") + locale);
+    return translator;
+}
+
+Q_EXPORT_PLUGIN2(seekoption, SeekOption)