Re #3026: add Clear to the flight mode (context menu on the Name label)

companion/src/modeledit/flightmode.ui

@@ -52,7 +52,7 @@
       </widget>
      </item>
      <item row="0" column="0">
-      <widget class="QLabel" name="label">
+      <widget class="QLabel" name="labelName">
        <property name="text">
         <string>Name</string>
        </property>

companion/src/modeledit/flightmodes.cpp

@@ -15,6 +15,9 @@ FlightModePanel::FlightModePanel(QWidget * parent, ModelData & model, int phaseI
 {
   ui->setupUi(this);
 
+  ui->labelName->setContextMenuPolicy(Qt::CustomContextMenu);
+  connect(ui->labelName, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(name_customContextMenuRequested(const QPoint &)));
+
   int modesCount = firmware->getCapability(FlightModes);
 
   // Phase name
@@ -426,6 +429,29 @@ void FlightModePanel::phaseTrimSlider_valueChanged()
   }
 }
 
+void FlightModePanel::name_customContextMenuRequested(const QPoint & pos)
+{
+    QLabel *label = (QLabel *)sender();
+    QPoint globalPos = label->mapToGlobal(pos);
+    QMenu contextMenu;
+    contextMenu.addAction(CompanionIcon("clear.png"), tr("&Clear"),this,SLOT(fmClear()),tr("Clear"));
+    contextMenu.exec(globalPos);
+}
+
+void FlightModePanel::fmClear()
+{
+  int res = QMessageBox::question(this, "Companion", tr("Clear all current Flight Mode properties?"), QMessageBox::Yes | QMessageBox::No);
+  if (res == QMessageBox::Yes) {
+    phase.clear();
+    for(int i=0; i < 4; ++i) {
+      model->setTrimValue(phaseIdx, i, 0);
+    }
+    update();
+    emit modified();
+    emit nameModified();
+  }
+}
+
 /**********************************************************/
 
 FlightModesPanel::FlightModesPanel(QWidget * parent, ModelData & model, GeneralSettings & generalSettings, Firmware * firmware):

companion/src/modeledit/flightmodes.h

@@ -41,6 +41,8 @@ class FlightModePanel : public ModelPanel
     void phaseGVPopupToggled(bool checked);
     void phaseREValue_editingFinished();
     void phaseREUse_currentIndexChanged(int index);
+    void name_customContextMenuRequested(const QPoint & pos);
+    void fmClear();
 
   private:
     Ui::FlightMode *ui;