New autoslider widget

companion/src/shared/CMakeLists.txt

@@ -18,6 +18,7 @@ set(shared_HDRS
   autoprecisioncombobox.h
   autotimeedit.h
   autospinbox.h
+  autoslider.h
 )
 
 qt5_wrap_cpp(shared_SRCS ${shared_HDRS})

companion/src/shared/autoslider.h

@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) OpenTX
+ *
+ * Based on code named
+ *   th9x - http://code.google.com/p/th9x
+ *   er9x - http://code.google.com/p/er9x
+ *   gruvin9x - http://code.google.com/p/gruvin9x
+ *
+ * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+#pragma once
+
+#include "genericpanel.h"
+
+#include <QSlider>
+
+class AutoSlider : public QSlider
+{
+  Q_OBJECT
+
+  public:
+    explicit AutoSlider(QWidget * parent = nullptr):
+      QSlider(parent)
+    {
+      init();
+    }
+
+    explicit AutoSlider(Qt::Orientation orientation, QWidget * parent = nullptr):
+      QSlider(orientation, parent)
+    {
+      init();
+    }
+
+    void setField(int & field, int min, int max, GenericPanel * panel = nullptr)
+    {
+      this->field = &field;
+      setFieldInit(min, max, panel);
+    }
+
+    void setField(unsigned int & field, int min, int max, GenericPanel * panel = nullptr)
+    {
+      this->field = reinterpret_cast<int *>(&field);
+      setFieldInit(min, max, panel);
+    }
+
+    void setTick(int interval, QSlider::TickPosition position)
+    {
+      setTickInterval(interval);
+      setTickPosition(position);
+    }
+
+    void updateValue()
+    {
+      if (field) {
+        lock = true;
+        setValue(*field);
+        lock = false;
+      }
+    }
+
+  signals:
+    void currentDataChanged(int value);
+
+  protected slots:
+    void init()
+    {
+      connect(this, &AutoSlider::valueChanged, this, &AutoSlider::onValueChanged);
+    }
+
+    void onValueChanged(int value)
+    {
+      if (panel && panel->lock)
+        return;
+      if (field && !lock) {
+        *field = value;
+        emit currentDataChanged(value);
+        if (panel) {
+          emit panel->modified();
+        }
+      }
+    }
+
+  protected:
+    void setFieldInit(int min, int max, GenericPanel * panel)
+    {
+      this->panel = panel;
+      setRange(min, max);
+      updateValue();
+    }
+
+    int *field = nullptr;
+    GenericPanel *panel = nullptr;
+    bool lock = false;
+};

companion/src/shared/genericpanel.h

@@ -42,6 +42,7 @@ class GenericPanel : public QWidget
   friend class AutoBitsetCheckBox;
   friend class AutoTimeEdit;
   friend class AutoSpinBox;
+  friend class AutoSlider;
 
   public:
     GenericPanel(QWidget *parent, ModelData * model, GeneralSettings & generalSettings, Firmware * firmware);