widget: Add WRateRange widget for displaying the current rate slider range

1 files changed, 67 insertions, 0 deletions

diff --git a/src/widget/wraterange.cpp b/src/widget/wraterange.cpp
new file mode 100644
index 0000000000..42c5f7d678
--- /dev/null
+++ b/src/widget/wraterange.cpp
@@ -0,0 +1,67 @@
+#include "widget/wraterange.h"
+
+#include "control/controlobject.h"
+#include "control/controlproxy.h"
+#include "moc_wraterange.cpp"
+#include "util/math.h"
+
+WRateRange::WRateRange(const QString& group, QWidget* parent)
+        : WNumber(parent) {
+    m_pRateRangeControl = new ControlProxy(
+            group, "rateRange", this, ControlFlag::NoAssertIfMissing);
+    m_pRateRangeControl->connectValueChanged(this, &WRateRange::setValue);
+    m_pRateDirControl = new ControlProxy(
+            group, "rate_dir", this, ControlFlag::NoAssertIfMissing);
+    m_pRateDirControl->connectValueChanged(this, &WRateRange::slotRateDirChanged);
+}
+
+void WRateRange::setup(const QDomNode& node, const SkinContext& context) {
+    WNumber::setup(node, context);
+
+    QDomElement RateRangePosition = context.selectElement(node, "Position");
+    QDomElement RateRangeType = context.selectElement(node, "Display");
+    m_nodePosition = RateRangePosition.text() == "Top"
+            ? VerticalPosition::Top
+            : VerticalPosition::Bottom;
+    if (RateRangeType.text() == "prefix") {
+        m_nodeDisplay = DisplayType::Prefix;
+    } else if (RateRangeType.text() == "range") {
+        m_nodeDisplay = DisplayType::Range;
+    } else {
+        m_nodeDisplay = DisplayType::Default;
+    }
+
+    // Initialize the widget (overrides the base class initial value).
+    const double range = m_pRateRangeControl->get();
+    setValue(range);
+}
+
+void WRateRange::slotRateDirChanged(double dir) {
+    Q_UNUSED(dir);
+
+    const double range = m_pRateRangeControl->get();
+    setValue(range);
+}
+
+void WRateRange::setValue(double range) {
+    const double direction = m_pRateDirControl->get();
+
+    QString prefix('-');
+    if (m_nodePosition == VerticalPosition::Top && direction > 0) {
+        prefix = '+';
+    }
+
+    if (m_nodePosition == VerticalPosition::Bottom && direction < 0) {
+        prefix = '+';
+    }
+
+    if (m_nodeDisplay == DisplayType::Prefix) {
+        m_nodeText = prefix;
+    } else if (m_nodeDisplay == DisplayType::Range) {
+        m_nodeText = QString::number(range * 100).append("\%");
+    } else {
+        m_nodeText = prefix.append(QString::number(range * 100)).append("\%");
+    }
+
+    setText(m_nodeText);
+}