--- a
+++ b/GUI/progresswidget/progresswidgetif.h
@@ -0,0 +1,58 @@
+/* Copyright (C) 2015 J.F.Dockes
+ * 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.
+ */
+
+#ifndef _PROGRESSWIDGETIF_H_INCLUDED_
+#define _PROGRESSWIDGETIF_H_INCLUDED_
+
+#include <QWidget>
+#include <QString>
+
+// Abstract interface for a volume control.
+class ProgressWidgetIF : public QWidget {
+ Q_OBJECT;
+
+public:
+ ProgressWidgetIF(QWidget *parent = 0)
+ : QWidget(parent) {
+ }
+ virtual ~ProgressWidgetIF() {}
+
+public slots:
+ // All times are in seconds
+
+ virtual void setTotalTime(int value) = 0;
+
+ // Set value and do whatever we do when it changes (emit
+ // signals)
+ virtual void seek(int value) = 0;
+ // Increment/decrement value and do whatever we do when it
+ // changes (emit signals). steps are in units of step_unit (x %)
+ virtual void step(int steps) = 0;
+ virtual void set_step_value_pc(int percent) = 0;
+ virtual void set_step_value_secs(int secs) = 0;
+ // Set-up display, keep quiet
+ virtual void setUi(int value) = 0;
+ virtual void setSkinSuffix(const QString&) {
+ }
+
+signals:
+ // Emitted when requested position changes, either because the
+ // user acted on the slider, or seek() was called
+ void progressChanged(int);
+};
+
+#endif /* _PROGRESSWIDGETIF_H_INCLUDED_ */