From cb80d5901853cf86d7f556284c29d4d4e16c28cc Mon Sep 17 00:00:00 2001
From: PianetaRadio <78976006+PianetaRadio@users.noreply.github.com>
Date: Mon, 7 Nov 2022 20:15:02 +0100
Subject: [PATCH] Versioning of radio.lst

#26
---
 dialogconfig.cpp | 40 +++++++++++++++++++++++++++++-----------
 dialogconfig.h   |  3 ++-
 2 files changed, 31 insertions(+), 12 deletions(-)

diff --git a/dialogconfig.cpp b/dialogconfig.cpp
index 12eecd0..aabd7f2 100644
--- a/dialogconfig.cpp
+++ b/dialogconfig.cpp
@@ -35,7 +35,7 @@ extern rigConnect rigCom;
 
 
 QString rigListFile = "rig.lst";    //Text file containing the list of rig supported by hamlib
-QFile file(rigListFile);
+QFile rigFile(rigListFile);
 
 
 DialogConfig::DialogConfig(QWidget *parent) :
@@ -45,22 +45,30 @@ DialogConfig::DialogConfig(QWidget *parent) :
     ui->setupUi(this);
 
     //* rigModel comboBox
-    if (!file.exists()) //Create file rig.lst if not exists
+    if (!rigFile.exists()) //Create file rig.lst if not exists
     {
-        file.open(QIODevice::ReadWrite);
-        rig_load_all_backends();    //Load all backends information
-        rig_list_foreach(printRigList, NULL);   //Create the rig list
+        createRigFile();
     }
-    else file.open(QIODevice::ReadOnly);    //Open file rig.lst and populate the combobox
-    file.seek(0);
+    else rigFile.open(QIODevice::ReadOnly);    //Open file rig.lst and populate the combobox
+    rigFile.seek(0);
+
+    QString versionFile = rigFile.readLine();   //Update rigFile if old version
+    if (versionFile.trimmed() != hamlib_version)
+    {
+        rigFile.remove();
+        createRigFile();
+        rigFile.seek(0);
+        rigFile.readLine();
+    }
+
     ui->comboBox_rigModel->clear();
     ui->comboBox_rigModel->addItem("");
-    while(!file.atEnd())
+    while(!rigFile.atEnd())
     {
-        QString line = file.readLine();
+        QString line = rigFile.readLine();
         ui->comboBox_rigModel->addItem(line.trimmed());
     }
-    file.close();
+    rigFile.close();
 
     //* COM port
     ui->comboBox_comPort->clear();
@@ -179,11 +187,21 @@ void DialogConfig::on_buttonBox_accepted()
 int printRigList(const struct rig_caps *rigCaps, void *data)    //Load rig list from hamlib and save into file rig.lst
 {
     if (data) return 0;
-    QTextStream stream(&file);
+    QTextStream stream(&rigFile);
     stream << rigCaps->rig_model << " " << rigCaps->mfg_name << " " << rigCaps->model_name << "\n";
     return 1;
 }
 
+bool createRigFile()
+{
+    bool ret = rigFile.open(QIODevice::ReadWrite);
+    rigFile.write(hamlib_version);  //Write current Hamlib version in the file header
+    rigFile.write("\n");
+    rig_load_all_backends();    //Load all backends information
+    rig_list_foreach(printRigList, NULL);   //Create and write the rig list
+    return ret;
+}
+
 void DialogConfig::on_checkBox_netRigctl_toggled(bool checked)
 {
     if (checked)    //TCP port
diff --git a/dialogconfig.h b/dialogconfig.h
index 170ae6f..702cfb6 100644
--- a/dialogconfig.h
+++ b/dialogconfig.h
@@ -47,6 +47,7 @@ private:
     Ui::DialogConfig *ui;
 };
 
-int printRigList(const struct rig_caps *rigCaps, void *data);
+int printRigList(const struct rig_caps *rigCaps, void *data);   //Retrives rig list from Hamlib and write to file
+bool createRigFile();    //Create the rig list file
 
 #endif // DIALOGCONFIG_H