New autolabel widget

companion/src/shared/CMakeLists.txt

@@ -8,6 +8,7 @@ set(shared_NAMES
   autocombobox
   autodoublespinbox
   autohexspinbox
+  autolabel
   autolineedit
   autoprecisioncombobox
   autoslider

companion/src/shared/autolabel.cpp

@@ -0,0 +1,67 @@
+/*
+ * 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.
+ */
+
+#include "autolabel.h"
+
+#include <QFontMetrics>
+
+AutoLabel::AutoLabel(QWidget * parent):
+  QLabel(parent),
+  AutoWidget(),
+  m_charField(NULL),
+  m_strField(nullptr)
+{
+}
+
+AutoLabel::~AutoLabel()
+{
+}
+
+void AutoLabel::setField(char * field, GenericPanel * panel)
+{
+  m_charField = field;
+  setPanel(panel);
+  updateValue();
+}
+
+void AutoLabel::setField(QString & field, GenericPanel * panel)
+{
+  m_strField = &field;
+  setPanel(panel);
+  updateValue();
+}
+
+void AutoLabel::setWidth(int numChars)
+{
+  QFontMetrics *f = new QFontMetrics(this->font());
+  QSize sz = f->size(Qt::TextSingleLine, QString(numChars, QChar('X')));
+  setMinimumWidth(sz.width());
+  delete f;
+}
+
+void AutoLabel::updateValue()
+{
+  setLock(true);
+  if (m_strField)
+    setText(*m_strField);
+  else if (m_charField)
+    setText(m_charField);
+  setLock(false);
+}

companion/src/shared/autolabel.h

@@ -0,0 +1,44 @@
+/*
+ * 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 "autowidget.h"
+
+#include <QLabel>
+
+class AutoLabel: public QLabel, AutoWidget
+{
+  Q_OBJECT
+
+  public:
+    explicit AutoLabel(QWidget * parent = nullptr);
+    virtual ~AutoLabel();
+
+    virtual void updateValue() override;
+
+    void setField(char * field, GenericPanel * panel = nullptr);
+    void setField(QString & field, GenericPanel * panel = nullptr);
+    void setWidth(int numChars);
+
+  private:
+    char *m_charField;
+    QString *m_strField;
+};