added custom commands 0-15 to the dropdown field in the widget designer

src/ui/designer/QGCCommandButton.cc

@@ -37,6 +37,23 @@ QGCCommandButton::QGCCommandButton(QWidget *parent) :
     // Add commands to combo box
     ui->editCommandComboBox->addItem("DO: Control Video", MAV_CMD_DO_CONTROL_VIDEO);
     ui->editCommandComboBox->addItem("PREFLIGHT: Calibration", MAV_CMD_PREFLIGHT_CALIBRATION);
+    ui->editCommandComboBox->addItem("CUSTOM 0", 0);
+    ui->editCommandComboBox->addItem("CUSTOM 1", 1);
+    ui->editCommandComboBox->addItem("CUSTOM 2", 2);
+    ui->editCommandComboBox->addItem("CUSTOM 3", 3);
+    ui->editCommandComboBox->addItem("CUSTOM 4", 4);
+    ui->editCommandComboBox->addItem("CUSTOM 5", 5);
+    ui->editCommandComboBox->addItem("CUSTOM 6", 6);
+    ui->editCommandComboBox->addItem("CUSTOM 7", 7);
+    ui->editCommandComboBox->addItem("CUSTOM 8", 8);
+    ui->editCommandComboBox->addItem("CUSTOM 9", 9);
+    ui->editCommandComboBox->addItem("CUSTOM 10", 10);
+    ui->editCommandComboBox->addItem("CUSTOM 11", 11);
+    ui->editCommandComboBox->addItem("CUSTOM 12", 12);
+    ui->editCommandComboBox->addItem("CUSTOM 13", 13);
+    ui->editCommandComboBox->addItem("CUSTOM 14", 14);
+    ui->editCommandComboBox->addItem("CUSTOM 15", 15);
+    ui->editCommandComboBox->setEditable(true);
 }
 
 QGCCommandButton::~QGCCommandButton()