X-Git-Url: http://git.code-monkey.de/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fwidgets%2Fsweeptimingwidget.cpp;fp=pv%2Fwidgets%2Fsweeptimingwidget.cpp;h=b1164891419898bd588c511edc3ab45e58edf70f;hp=0000000000000000000000000000000000000000;hb=1198b8872516662c257e5dcdec346094ed4f32dd;hpb=bb2cdfffd5817feb7a6dcde19b6110a6c253a261

diff --git a/pv/widgets/sweeptimingwidget.cpp b/pv/widgets/sweeptimingwidget.cpp
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+++ b/pv/widgets/sweeptimingwidget.cpp
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+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include "sweeptimingwidget.h"
+
+#include <assert.h>
+
+namespace pv {
+namespace widgets {
+
+SweepTimingWidget::SweepTimingWidget(const char *suffix,
+	QWidget *parent) :
+	QWidget(parent),
+	_layout(this),
+	_read_only_value(this),
+	_value(this),
+	_list(this),
+	_value_type(None)
+{
+	setContentsMargins(0, 0, 0, 0);
+
+	_value.setDecimals(0);
+	_value.setSuffix(QString::fromUtf8(suffix));
+
+	connect(&_list, SIGNAL(currentIndexChanged(int)),
+		this, SIGNAL(value_changed()));
+	connect(&_value, SIGNAL(editingFinished()),
+		this, SIGNAL(value_changed()));
+
+	setLayout(&_layout);
+	_layout.setMargin(0);
+	_layout.addWidget(&_read_only_value);
+	_layout.addWidget(&_list);
+	_layout.addWidget(&_value);
+
+	show_none();
+}
+
+void SweepTimingWidget::show_none()
+{
+	_value_type = None;
+	_read_only_value.hide();
+	_value.hide();
+	_list.hide();
+}
+
+void SweepTimingWidget::show_read_only()
+{
+	_value_type = ReadOnly;
+	_read_only_value.show();
+	_value.hide();
+	_list.hide();
+}
+
+void SweepTimingWidget::show_min_max_step(uint64_t min, uint64_t max,
+	uint64_t step)
+{
+	_value_type = MinMaxStep;
+
+	_value.setRange(min, max);
+	_value.setSingleStep(step);
+
+	_read_only_value.hide();
+	_value.show();
+	_list.hide();
+}
+
+void SweepTimingWidget::show_list(const uint64_t *vals, size_t count)
+{
+	_value_type = List;
+
+	_list.clear();
+	for (size_t i = 0; i < count; i++)
+	{
+		char *const s = sr_samplerate_string(vals[i]);
+		_list.addItem(QString::fromUtf8(s),
+			qVariantFromValue(vals[i]));
+		g_free(s);
+	}
+
+	_read_only_value.hide();
+	_value.hide();
+	_list.show();
+}
+
+uint64_t SweepTimingWidget::value() const
+{
+	switch(_value_type)
+	{
+	case None:
+	case ReadOnly:
+		return 0;
+
+	case MinMaxStep:
+		return (uint64_t)_value.value();
+
+	case List:
+	{
+		const int index = _list.currentIndex();
+		return (index >= 0) ? _list.itemData(
+			index).value<uint64_t>() : 0;
+	}
+
+	default:
+		// Unexpected value type
+		assert(0);
+		return 0;
+	}
+}
+
+void SweepTimingWidget::set_value(uint64_t value)
+{
+	_read_only_value.setText(QString("%1").arg(value));
+
+	_value.setValue(value);
+
+	for (int i = 0; i < _list.count(); i++)
+		if (value == _list.itemData(i).value<uint64_t>())
+			_list.setCurrentIndex(i);
+}
+
+} // widgets
+} // pv