Move the LAN connection and the read device settings part into separate threads

in order to keep the gui responsive.

dsremote.pro

@@ -53,6 +53,8 @@ HEADERS += edflib.h
 HEADERS += signalcurve.h
 HEADERS += settings_dialog.h
 HEADERS += screen_thread.h
+HEADERS += lan_connect_thread.h
+HEADERS += read_settings_thread.h
 
 HEADERS += third_party/kiss_fft/kiss_fft.h
 HEADERS += third_party/kiss_fft/_kiss_fft_guts.h
@@ -74,6 +76,8 @@ SOURCES += edflib.c
 SOURCES += signalcurve.cpp
 SOURCES += settings_dialog.cpp
 SOURCES += screen_thread.cpp
+SOURCES += lan_connect_thread.cpp
+SOURCES += read_settings_thread.cpp
 
 SOURCES += third_party/kiss_fft/kiss_fft.c
 SOURCES += third_party/kiss_fft/kiss_fftr.c

global.h

@@ -35,7 +35,7 @@
 
 
 #define PROGRAM_NAME          "DSRemote"
-#define PROGRAM_VERSION       "0.32_1609200823"
+#define PROGRAM_VERSION       "0.32_1610022021"
 
 #define MAX_PATHLEN            4096
 

lan_connect_thread.cpp

@@ -0,0 +1,72 @@
+/*
+***************************************************************************
+*
+* Author: Teunis van Beelen
+*
+* Copyright (C) 2016 Teunis van Beelen
+*
+* Email: teuniz@gmail.com
+*
+***************************************************************************
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* 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.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*
+***************************************************************************
+*/
+
+
+#include "lan_connect_thread.h"
+
+
+lan_connect_thread::lan_connect_thread()
+{
+  device = NULL;
+
+  dev_str[0] = 0;
+}
+
+
+void lan_connect_thread::run()
+{
+  if(dev_str[0] == 0) return;
+
+  device = tmc_open_lan(dev_str);
+}
+
+
+struct tmcdev * lan_connect_thread::get_device(void)
+{
+  return device;
+}
+
+
+void lan_connect_thread::set_device_address(const char *addr)
+{
+  strncpy(dev_str, addr, 16);
+
+  dev_str[15] = 0;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+

lan_connect_thread.h

@@ -0,0 +1,92 @@
+/*
+***************************************************************************
+*
+* Author: Teunis van Beelen
+*
+* Copyright (C) 2016 Teunis van Beelen
+*
+* Email: teuniz@gmail.com
+*
+***************************************************************************
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* 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.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*
+***************************************************************************
+*/
+
+
+#ifndef DEF_LAN_CONNECT_THREAD_H
+#define DEF_LAN_CONNECT_THREAD_H
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <QObject>
+#include <QThread>
+
+#include "global.h"
+#include "utils.h"
+#include "connection.h"
+#include "tmc_dev.h"
+
+
+
+class lan_connect_thread : public QThread
+{
+  Q_OBJECT
+
+public:
+
+  lan_connect_thread();
+
+  void set_device_address(const char *);
+  struct tmcdev * get_device(void);
+
+private:
+
+  char dev_str[256];
+
+  struct tmcdev *device;
+
+  void run();
+};
+
+
+
+#endif
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

mainwindow.h

@@ -84,6 +84,8 @@
 #include "signalcurve.h"
 #include "settings_dialog.h"
 #include "screen_thread.h"
+#include "lan_connect_thread.h"
+#include "read_settings_thread.h"
 
 #include "third_party/kiss_fft/kiss_fftr.h"
 
@@ -120,7 +122,7 @@ public:
   QTimer       *scrn_timer,
                *label_timer;
 
-  screenThread *scrn_thread;
+  screen_thread *scrn_thread;
 
 private:
 

mainwindow_constr.cpp

@@ -136,7 +136,7 @@ UI_Mainwindow::UI_Mainwindow()
 
   devparms.mutexx = new QMutex();
 
-  scrn_thread = new screenThread;
+  scrn_thread = new screen_thread;
   scrn_thread->set_device(NULL);
 
   menubar = menuBar();

read_settings_thread.h

@@ -0,0 +1,97 @@
+/*
+***************************************************************************
+*
+* Author: Teunis van Beelen
+*
+* Copyright (C) 2016 Teunis van Beelen
+*
+* Email: teuniz@gmail.com
+*
+***************************************************************************
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* 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.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*
+***************************************************************************
+*/
+
+
+#ifndef DEF_READ_SETTINGS_THREAD_H
+#define DEF_READ_SETTINGS_THREAD_H
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <QObject>
+#include <QThread>
+
+#include "global.h"
+#include "utils.h"
+#include "connection.h"
+#include "tmc_dev.h"
+
+
+
+class read_settings_thread : public QThread
+{
+  Q_OBJECT
+
+public:
+
+  read_settings_thread();
+
+  void set_device(struct tmcdev *);
+  void set_devparm_ptr(struct device_settings *);
+  int get_error_num(void);
+  void get_error_str(char *);
+
+private:
+
+  struct tmcdev *device;
+  struct device_settings *devparms;
+
+  char err_str[4096];
+
+  int err_num;
+
+  void run();
+};
+
+
+
+#endif
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

screen_thread.cpp

@@ -33,7 +33,7 @@
 #define SPECT_LOG_MINIMUM_LOG (-80)
 
 
-void screenThread::set_device(struct tmcdev *tmdev)
+void screen_thread::set_device(struct tmcdev *tmdev)
 {
   params.cmd_cue_idx_in = 0;
   params.cmd_cue_idx_out = 0;
@@ -43,7 +43,7 @@ void screenThread::set_device(struct tmcdev *tmdev)
 }
 
 
-screenThread::screenThread()
+screen_thread::screen_thread()
 {
   int i;
 
@@ -62,7 +62,7 @@ screenThread::screenThread()
 }
 
 
-screenThread::~screenThread()
+screen_thread::~screen_thread()
 {
   int i;
 
@@ -73,7 +73,7 @@ screenThread::~screenThread()
 }
 
 
-void screenThread::set_params(struct device_settings *dev_parms)
+void screen_thread::set_params(struct device_settings *dev_parms)
 {
   deviceparms = dev_parms;
   params.connected = deviceparms->connected;
@@ -101,7 +101,7 @@ void screenThread::set_params(struct device_settings *dev_parms)
 }
 
 
-void screenThread::get_params(struct device_settings *dev_parms)
+void screen_thread::get_params(struct device_settings *dev_parms)
 {
   int i;
 
@@ -147,7 +147,7 @@ void screenThread::get_params(struct device_settings *dev_parms)
 }
 
 
-int screenThread::get_devicestatus()
+int screen_thread::get_devicestatus()
 {
   int line;
 
@@ -293,7 +293,7 @@ OUT_ERROR:
 }
 
 
-void screenThread::run()
+void screen_thread::run()
 {
   int i, j, k, n=0, chns=0, line, cmd_sent=0;
 

screen_thread.h

@@ -48,14 +48,14 @@
 
 
 
-class screenThread : public QThread
+class screen_thread : public QThread
 {
   Q_OBJECT
 
 public:
 
-  screenThread();
-  ~screenThread();
+  screen_thread();
+  ~screen_thread();
 
   int h_busy;