Add period dial.

sdrgui/CMakeLists.txt

@@ -74,6 +74,7 @@ set(sdrgui_SOURCES
     gui/mdiutils.cpp
     gui/mypositiondialog.cpp
     gui/nanosecondsdelegate.cpp
+    gui/perioddial.cpp
     gui/pluginsdialog.cpp
     gui/pluginpresetsdialog.cpp
     gui/presetitem.cpp
@@ -201,6 +202,7 @@ set(sdrgui_HEADERS
     gui/mdiutils.h
     gui/mypositiondialog.h
     gui/nanosecondsdelegate.h
+    gui/perioddial.h
     gui/physicalunit.h
     gui/pluginsdialog.h
     gui/pluginpresetsdialog.h

sdrgui/gui/perioddial.cpp

@@ -0,0 +1,123 @@
+///////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2024 Jon Beniston, M7RCE <jon@beniston.com>                     //
+//                                                                               //
+// 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 as version 3 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 V3 for more details.                               //
+//                                                                               //
+// You should have received a copy of the GNU General Public License             //
+// along with this program. If not, see <http://www.gnu.org/licenses/>.          //
+///////////////////////////////////////////////////////////////////////////////////
+
+#include <cmath>
+
+#include "perioddial.h"
+#include "wrappingdial.h"
+#include "wrappingspinbox.h"
+
+#include <QComboBox>
+#include <QHBoxLayout>
+
+PeriodDial::PeriodDial(QWidget *parent) :
+    QWidget(parent)
+{
+    m_layout = new QHBoxLayout(this);
+    m_layout->setContentsMargins(0, 0, 0, 0);
+
+    m_dial = new WrappingDial();
+    m_dial->setMinimum(1);
+    m_dial->setMaximum(999);
+    m_dial->setMaximumSize(24, 24);
+
+    m_spinBox = new WrappingSpinBox();
+    m_spinBox->setMinimum(1);
+    m_spinBox->setMaximum(999);
+    m_spinBox->setButtonSymbols(QAbstractSpinBox::NoButtons);
+
+    m_units = new QComboBox();
+    m_units->addItem(QString("%1s").arg(QChar(0x3bc)));
+    m_units->addItem("ms");
+    m_units->addItem("s");
+
+    m_layout->addWidget(m_dial);
+    m_layout->addWidget(m_spinBox);
+    m_layout->addWidget(m_units);
+
+    connect(m_dial, &WrappingDial::valueChanged, this, &PeriodDial::on_dial_valueChanged);
+    connect(m_dial, &WrappingDial::wrapUp, this, &PeriodDial::on_wrapUp);
+    connect(m_dial, &WrappingDial::wrapDown, this, &PeriodDial::on_wrapDown);
+    connect(m_spinBox, QOverload<int>::of(&WrappingSpinBox::valueChanged), this, &PeriodDial::on_spinBox_valueChanged);
+    connect(m_spinBox, &WrappingSpinBox::wrapUp, this, &PeriodDial::on_wrapUp);
+    connect(m_spinBox, &WrappingSpinBox::wrapDown, this, &PeriodDial::on_wrapDown);
+    connect(m_units, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &PeriodDial::on_units_currentIndexChanged);
+}
+
+void PeriodDial::on_dial_valueChanged(int dialValue)
+{
+    m_spinBox->setValue(dialValue);
+    emit valueChanged(value());
+}
+
+void PeriodDial::on_spinBox_valueChanged(int boxValue)
+{
+    m_dial->setValue(boxValue);
+}
+
+void PeriodDial::on_units_currentIndexChanged(int index)
+{
+    emit valueChanged(value());
+}
+
+void PeriodDial::on_wrapUp()
+{
+    int index = m_units->currentIndex();
+    if (index < m_units->count() - 1) {
+        m_units->setCurrentIndex(index + 1);
+    }
+}
+
+void PeriodDial::on_wrapDown()
+{
+    int index = m_units->currentIndex();
+    if (index > 0) {
+        m_units->setCurrentIndex(index - 1);
+    }
+}
+
+void PeriodDial::setValue(double newValue)
+{
+    double oldValue = value();
+    int index;
+    if (newValue < 1e-3) {
+        index = 0;
+    } else if (newValue < 1.0) {
+        index = 1;
+    } else {
+        index = 2;
+    }
+    double scale = std::pow(10.0, 3 * (2 - index));
+    int mantissa = std::round(newValue * scale);
+
+    bool blocked = blockSignals(true);
+    m_dial->setValue(mantissa);
+    m_units->setCurrentIndex(index);
+    blockSignals(blocked);
+
+    if (newValue != oldValue) {
+        emit valueChanged(value());
+    }
+}
+
+double PeriodDial::value()
+{
+    int index = -3 * (2 - m_units->currentIndex()); // 0=s -3=ms -6=us
+    double scale = std::pow(10.0, index);
+    int mantissa = m_dial->value();
+    return mantissa * scale;
+}

sdrgui/gui/perioddial.h

@@ -0,0 +1,60 @@
+///////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2024 Jon Beniston, M7RCE <jon@beniston.com>                     //
+//                                                                               //
+// 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 as version 3 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 V3 for more details.                               //
+//                                                                               //
+// You should have received a copy of the GNU General Public License             //
+// along with this program. If not, see <http://www.gnu.org/licenses/>.          //
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef SDRGUI_GUI_PERIODDIAL_H
+#define SDRGUI_GUI_PERIODDIAL_H
+
+#include <QWidget>
+
+#include "export.h"
+
+class QHBoxLayout;
+class WrappingDial;
+class WrappingSpinBox;
+class QComboBox;
+
+// Combines QDial, QSpinBox and QComboBox to allow user to enter time period in s, ms or us
+class SDRGUI_API PeriodDial : public QWidget {
+    Q_OBJECT
+
+public:
+    explicit PeriodDial(QWidget *parent = nullptr);
+
+    void setValue(double value);
+    double value();
+
+private:
+
+    QHBoxLayout *m_layout;
+    WrappingDial *m_dial;
+    WrappingSpinBox *m_spinBox;
+    QComboBox *m_units;
+
+private slots:
+
+    void on_dial_valueChanged(int value);
+    void on_spinBox_valueChanged(int value);
+    void on_units_currentIndexChanged(int index);
+    void on_wrapUp();
+    void on_wrapDown();
+
+signals:
+    void valueChanged(double value);
+
+};
+
+#endif // SDRGUI_GUI_PERIODDIAL_H