Add links to documentation

plugins/channelrx/chanalyzer/chanalyzergui.cpp

@@ -465,6 +465,7 @@ ChannelAnalyzerGUI::ChannelAnalyzerGUI(PluginAPI* pluginAPI, DeviceUISet *device
 	m_basebandSampleRate(48000)
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/chanalyzer/readme.md";
 	setAttribute(Qt::WA_DeleteOnClose, true);
 	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
 

plugins/channelrx/demodadsb/adsbdemodgui.cpp

@@ -2511,6 +2511,7 @@ ADSBDemodGUI::ADSBDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Baseb
     m_progressDialog(nullptr)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/demodadsb/readme.md";
 
     m_osmPort = 0; // Pick a free port
     m_templateServer = new ADSBOSMTemplateServer("q2RVNAe3eFKCH4XsrE3r", m_osmPort);

plugins/channelrx/demodais/aisdemodgui.cpp

@@ -417,6 +417,7 @@ AISDemodGUI::AISDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Baseban
     m_tickCount(0)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/demodais/readme.md";
 
     setAttribute(Qt::WA_DeleteOnClose, true);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/channelrx/demodam/amdemodgui.cpp

@@ -240,6 +240,7 @@ AMDemodGUI::AMDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandS
 	m_tickCount(0)
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/demodam/readme.md";
 	setAttribute(Qt::WA_DeleteOnClose, true);
 	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
     connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));

plugins/channelrx/demodapt/aptdemodgui.cpp

@@ -447,6 +447,7 @@ APTDemodGUI::APTDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Baseban
     m_pixmapItem(nullptr)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/demodapt/readme.md";
 
     setAttribute(Qt::WA_DeleteOnClose, true);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/channelrx/demodatv/atvdemodgui.cpp

@@ -219,6 +219,7 @@ ATVDemodGUI::ATVDemodGUI(PluginAPI* objPluginAPI, DeviceUISet *deviceUISet, Base
         m_basebandSampleRate(48000)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/demodatv/readme.md";
     setAttribute(Qt::WA_DeleteOnClose, true);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
 

plugins/channelrx/demodchirpchat/chirpchatdemodgui.cpp

@@ -378,6 +378,7 @@ ChirpChatDemodGUI::ChirpChatDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUI
     m_tickCount(0)
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/demodchirpchat/readme.md";
 	setAttribute(Qt::WA_DeleteOnClose, true);
 	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
     connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));

plugins/channelrx/demoddab/dabdemodgui.cpp

@@ -432,6 +432,7 @@ DABDemodGUI::DABDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Baseban
     m_channelFreq(0.0)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/demoddab/readme.md";
 
     setAttribute(Qt::WA_DeleteOnClose, true);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/channelrx/demoddatv/datvdemodgui.cpp

@@ -195,6 +195,7 @@ DATVDemodGUI::DATVDemodGUI(PluginAPI* objPluginAPI, DeviceUISet *deviceUISet, Ba
         m_cstlnSetByModcod(false)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/demoddatv/readme.md";
     ui->screenTV->setColor(true);
     ui->screenTV->resizeTVScreen(256,256);
     setAttribute(Qt::WA_DeleteOnClose, true);

plugins/channelrx/demoddsd/dsddemodgui.cpp

@@ -318,6 +318,7 @@ DSDDemodGUI::DSDDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Baseban
 	m_dsdStatusTextDialog(0)
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/demoddsd/readme.md";
 	ui->screenTV->setColor(true);
 	ui->screenTV->resizeTVScreen(200,200);
 	setAttribute(Qt::WA_DeleteOnClose, true);

plugins/channelrx/demodfreedv/freedvdemodgui.cpp

@@ -250,6 +250,7 @@ FreeDVDemodGUI::FreeDVDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, B
     m_audioSampleRate(-1)
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/demodfreedv/readme.md";
 	setAttribute(Qt::WA_DeleteOnClose, true);
 	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
 	connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));

plugins/channelrx/demodnfm/nfmdemodgui.cpp

@@ -340,6 +340,7 @@ NFMDemodGUI::NFMDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Baseban
 	m_tickCount(0)
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/demodnfm/readme.md";
 	setAttribute(Qt::WA_DeleteOnClose, true);
 
 	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/channelrx/demodpacket/packetdemodgui.cpp

@@ -416,6 +416,7 @@ PacketDemodGUI::PacketDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, B
     m_tickCount(0)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/demodpacket/readme.md";
 
     setAttribute(Qt::WA_DeleteOnClose, true);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/channelrx/demodpager/pagerdemodgui.cpp

@@ -466,6 +466,7 @@ PagerDemodGUI::PagerDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Bas
     m_tickCount(0)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/demodpager/readme.md";
 
     setAttribute(Qt::WA_DeleteOnClose, true);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/channelrx/demodssb/ssbdemodgui.cpp

@@ -290,6 +290,7 @@ SSBDemodGUI::SSBDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Baseban
     m_audioSampleRate(-1)
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/demodssb/readme.md";
 	setAttribute(Qt::WA_DeleteOnClose, true);
 	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
 	connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));

plugins/channelrx/demodvor/vordemodgui.cpp

@@ -1164,6 +1164,7 @@ VORDemodGUI::VORDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Baseban
     m_vors(nullptr)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/demodvor/readme.md";
 
     ui->map->rootContext()->setContextProperty("vorModel", &m_vorModel);
     ui->map->setSource(QUrl(QStringLiteral("qrc:/demodvor/map/map.qml")));

plugins/channelrx/demodvorsc/vordemodscgui.cpp

@@ -279,6 +279,7 @@ VORDemodSCGUI::VORDemodSCGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Bas
     m_tickCount(0)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/demodvorsc/readme.md";
 
     setAttribute(Qt::WA_DeleteOnClose, true);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/channelrx/demodwfm/wfmdemodgui.cpp

@@ -202,6 +202,7 @@ WFMDemodGUI::WFMDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Baseban
     m_audioSampleRate(-1)
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/demodwfm/readme.md";
 	setAttribute(Qt::WA_DeleteOnClose, true);
 	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
     connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));

plugins/channelrx/filesink/filesinkgui.cpp

@@ -183,6 +183,7 @@ FileSinkGUI::FileSinkGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Baseban
         m_tickCount(0)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/filesink/readme.md";
     setAttribute(Qt::WA_DeleteOnClose, true);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
     connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));

plugins/channelrx/freqtracker/freqtrackergui.cpp

@@ -308,6 +308,7 @@ FreqTrackerGUI::FreqTrackerGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, B
 	m_tickCount(0)
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/freqtracker/readme.md";
 	setAttribute(Qt::WA_DeleteOnClose, true);
 	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
     connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));

plugins/channelrx/localsink/localsinkgui.cpp

@@ -101,6 +101,7 @@ LocalSinkGUI::LocalSinkGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Baseb
         m_tickCount(0)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/localsink/readme.md";
     setAttribute(Qt::WA_DeleteOnClose, true);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
     connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));

plugins/channelrx/noisefigure/noisefiguregui.cpp

@@ -608,6 +608,7 @@ NoiseFigureGUI::NoiseFigureGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, B
     m_chart(nullptr)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/noisefigure/readme.md";
 
     setAttribute(Qt::WA_DeleteOnClose, true);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/channelrx/radioclock/radioclockgui.cpp

@@ -264,6 +264,7 @@ RadioClockGUI::RadioClockGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Bas
     m_tickCount(0)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/radioclock/readme.md";
 
     setAttribute(Qt::WA_DeleteOnClose, true);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/channelrx/remotesink/remotesinkgui.cpp

@@ -100,6 +100,7 @@ RemoteSinkGUI::RemoteSinkGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Bas
         m_tickCount(0)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/remotesink/readme.md";
     setAttribute(Qt::WA_DeleteOnClose, true);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
     connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));

plugins/channelrx/sigmffilesink/sigmffilesinkgui.cpp

@@ -170,6 +170,7 @@ SigMFFileSinkGUI::SigMFFileSinkGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISe
         m_tickCount(0)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/sigmffilesink/readme.md";
     setAttribute(Qt::WA_DeleteOnClose, true);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
     connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));

plugins/channelrx/udpsink/udpsinkgui.cpp

@@ -146,6 +146,7 @@ UDPSinkGUI::UDPSinkGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandS
     m_rfBandwidthChanged(false)
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/channelrx/udpsink/readme.md";
 	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
     connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));
 	setAttribute(Qt::WA_DeleteOnClose, true);

plugins/channeltx/filesource/filesourcegui.cpp

@@ -179,6 +179,7 @@ FileSourceGUI::FileSourceGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Bas
     (void) channelTx;
 
     ui->setupUi(this);
+    m_helpURL = "plugins/channeltx/filesource/readme.md";
     ui->channelPowerMeter->setColorTheme(LevelMeterSignalDB::ColorGreenAndBlue);
 
     setAttribute(Qt::WA_DeleteOnClose, true);

plugins/channeltx/localsource/localsourcegui.cpp

@@ -95,6 +95,7 @@ LocalSourceGUI::LocalSourceGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, B
         m_tickCount(0)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channeltx/localsource/readme.md";
     setAttribute(Qt::WA_DeleteOnClose, true);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
     connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));

plugins/channeltx/mod802.15.4/ieee_802_15_4_modgui.cpp

@@ -376,6 +376,7 @@ IEEE_802_15_4_ModGUI::IEEE_802_15_4_ModGUI(PluginAPI* pluginAPI, DeviceUISet *de
     m_basebandSampleRate(12000000)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channeltx/mod802.15.4/readme.md";
     setAttribute(Qt::WA_DeleteOnClose, true);
 
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/channeltx/modais/aismodgui.cpp

@@ -385,6 +385,7 @@ AISModGUI::AISModGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSam
     m_doApplySettings(true)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channeltx/modais/readme.md";
     setAttribute(Qt::WA_DeleteOnClose, true);
 
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/channeltx/modam/ammodgui.cpp

@@ -332,6 +332,7 @@ AMModGUI::AMModGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSampl
     m_enableNavTime(false)
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/channeltx/modam/readme.md";
 	setAttribute(Qt::WA_DeleteOnClose, true);
 	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
 	connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));

plugins/channeltx/modatv/atvmodgui.cpp

@@ -64,6 +64,7 @@ ATVModGUI::ATVModGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSam
     m_rfSliderDivisor(100000)
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/channeltx/modatv/readme.md";
 	setAttribute(Qt::WA_DeleteOnClose, true);
 	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
 	connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));

plugins/channeltx/modchirpchat/chirpchatmodgui.cpp

@@ -413,6 +413,7 @@ ChirpChatModGUI::ChirpChatModGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet,
     m_tickCount(0)
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/channeltx/modchirpchat/readme.md";
 	setAttribute(Qt::WA_DeleteOnClose, true);
 
 	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/channeltx/moddatv/datvmodgui.cpp

@@ -64,6 +64,7 @@ DATVModGUI::DATVModGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandS
     m_enableNavTime(false)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channeltx/moddatv/readme.md";
     setAttribute(Qt::WA_DeleteOnClose, true);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
     connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));

plugins/channeltx/modfreedv/freedvmodgui.cpp

@@ -345,6 +345,7 @@ FreeDVModGUI::FreeDVModGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Baseb
     m_enableNavTime(false)
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/channeltx/modfreedv/readme.md";
 	setAttribute(Qt::WA_DeleteOnClose, true);
 	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
 	connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));

plugins/channeltx/modnfm/nfmmodgui.cpp

@@ -405,6 +405,7 @@ NFMModGUI::NFMModGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSam
     m_dcsCodeValidator(QRegExp("[0-7]{1,3}"))
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/channeltx/modnfm/readme.md";
 	setAttribute(Qt::WA_DeleteOnClose, true);
 
     ui->channelSpacing->blockSignals(true);

plugins/channeltx/modpacket/packetmodgui.cpp

@@ -422,6 +422,7 @@ PacketModGUI::PacketModGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Baseb
     m_doApplySettings(true)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channeltx/modpacket/readme.md";
     setAttribute(Qt::WA_DeleteOnClose, true);
 
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/channeltx/modssb/ssbmodgui.cpp

@@ -410,6 +410,7 @@ SSBModGUI::SSBModGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSam
     m_enableNavTime(false)
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/channeltx/modssb/readme.md";
 	setAttribute(Qt::WA_DeleteOnClose, true);
 	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
 	connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));

plugins/channeltx/modwfm/wfmmodgui.cpp

@@ -339,6 +339,7 @@ WFMModGUI::WFMModGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSam
     m_enableNavTime(false)
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/channeltx/modwfm/readme.md";
 	setAttribute(Qt::WA_DeleteOnClose, true);
 
     blockApplySettings(true);

plugins/channeltx/remotesource/remotesourcegui.cpp

@@ -159,6 +159,7 @@ RemoteSourceGUI::RemoteSourceGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet,
 {
     (void) channelTx;
     ui->setupUi(this);
+    m_helpURL = "plugins/channeltx/remotesource/readme.md";
     setAttribute(Qt::WA_DeleteOnClose, true);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
     connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));

plugins/channeltx/udpsource/udpsourcegui.cpp

@@ -106,6 +106,7 @@ UDPSourceGUI::UDPSourceGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, Baseb
         m_doApplySettings(true)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/channeltx/udpsource/readme.md";
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
     connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));
     setAttribute(Qt::WA_DeleteOnClose, true);

plugins/feature/afc/afcgui.cpp

@@ -127,6 +127,7 @@ AFCGUI::AFCGUI(PluginAPI* pluginAPI, FeatureUISet *featureUISet, Feature *featur
     m_lastFeatureState(0)
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/feature/afc/readme.md";
 	setAttribute(Qt::WA_DeleteOnClose, true);
 
     ui->targetFrequency->setColorMapper(ColorMapper(ColorMapper::GrayGold));

plugins/feature/ais/aisgui.cpp

@@ -128,6 +128,7 @@ AISGUI::AISGUI(PluginAPI* pluginAPI, FeatureUISet *featureUISet, Feature *featur
     m_lastFeatureState(0)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/feature/ais/readme.md";
     setAttribute(Qt::WA_DeleteOnClose, true);
     setChannelWidget(false);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/feature/antennatools/antennatoolsgui.cpp

@@ -115,6 +115,7 @@ AntennaToolsGUI::AntennaToolsGUI(PluginAPI* pluginAPI, FeatureUISet *featureUISe
     m_deviceSets(0)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/feature/antennatools/readme.md";
 
     setAttribute(Qt::WA_DeleteOnClose, true);
     setChannelWidget(false);

plugins/feature/aprs/aprsgui.cpp

@@ -422,6 +422,7 @@ APRSGUI::APRSGUI(PluginAPI* pluginAPI, FeatureUISet *featureUISet, Feature *feat
     m_lastFeatureState(0)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/feature/aprs/readme.md";
 
     setAttribute(Qt::WA_DeleteOnClose, true);
     setChannelWidget(false);

plugins/feature/demodanalyzer/demodanalyzergui.cpp

@@ -138,6 +138,7 @@ DemodAnalyzerGUI::DemodAnalyzerGUI(PluginAPI* pluginAPI, FeatureUISet *featureUI
     m_selectedChannel(nullptr)
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/feature/demodanalyzer/readme.md";
 	setAttribute(Qt::WA_DeleteOnClose, true);
     setChannelWidget(false);
 	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/feature/gs232controller/gs232controllergui.cpp

@@ -141,6 +141,7 @@ GS232ControllerGUI::GS232ControllerGUI(PluginAPI* pluginAPI, FeatureUISet *featu
     m_lastOnTarget(false)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/feature/gs232controller/readme.md";
     setAttribute(Qt::WA_DeleteOnClose, true);
     setChannelWidget(false);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/feature/map/mapgui.cpp

@@ -686,6 +686,7 @@ MapGUI::MapGUI(PluginAPI* pluginAPI, FeatureUISet *featureUISet, Feature *featur
     m_radioTimeDialog(this)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/feature/map/readme.md";
 
     quint16 port = 0; // Pick a free port
     // Free keys, so no point in stealing them :)

plugins/feature/pertester/pertestergui.cpp

@@ -127,6 +127,7 @@ PERTesterGUI::PERTesterGUI(PluginAPI* pluginAPI, FeatureUISet *featureUISet, Fea
     m_lastFeatureState(0)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/feature/pertester/readme.md";
     setAttribute(Qt::WA_DeleteOnClose, true);
     setChannelWidget(false);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/feature/rigctlserver/rigctlservergui.cpp

@@ -127,6 +127,7 @@ RigCtlServerGUI::RigCtlServerGUI(PluginAPI* pluginAPI, FeatureUISet *featureUISe
     m_lastFeatureState(0)
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/feature/rigctlserver/readme.md";
 	setAttribute(Qt::WA_DeleteOnClose, true);
     setChannelWidget(false);
 	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/feature/satellitetracker/satellitetrackergui.cpp

@@ -246,6 +246,7 @@ SatelliteTrackerGUI::SatelliteTrackerGUI(PluginAPI* pluginAPI, FeatureUISet *fea
     m_geostationarySatVisible(false)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/feature/satellitetracker/readme.md";
     setAttribute(Qt::WA_DeleteOnClose, true);
     setChannelWidget(false);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/feature/simpleptt/simplepttgui.cpp

@@ -134,6 +134,7 @@ SimplePTTGUI::SimplePTTGUI(PluginAPI* pluginAPI, FeatureUISet *featureUISet, Fea
     m_lastFeatureState(0)
 {
 	ui->setupUi(this);
+    m_helpURL = "plugins/feature/simpleptt/readme.md";
 	setAttribute(Qt::WA_DeleteOnClose, true);
     setChannelWidget(false);
 	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/feature/startracker/startrackergui.cpp

@@ -255,6 +255,7 @@ StarTrackerGUI::StarTrackerGUI(PluginAPI* pluginAPI, FeatureUISet *featureUISet,
     m_moonDec(0.0)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/feature/startracker/readme.md";
     setAttribute(Qt::WA_DeleteOnClose, true);
     setChannelWidget(false);
     connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

plugins/feature/vorlocalizer/vorlocalizergui.cpp

@@ -1226,6 +1226,7 @@ VORLocalizerGUI::VORLocalizerGUI(PluginAPI* pluginAPI, FeatureUISet *featureUISe
     m_rrSecondsCount(0)
 {
     ui->setupUi(this);
+    m_helpURL = "plugins/feature/vorlocalizer/readme.md";
 
     ui->map->rootContext()->setContextProperty("vorModel", &m_vorModel);
     ui->map->setSource(QUrl(QStringLiteral("qrc:/demodvor/map/map.qml")));

sdrgui/gui/rollupwidget.cpp

@@ -1,8 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////
 // Copyright (C) 2015-2020 Edouard Griffiths, F4EXB                              //
 //                                                                               //
-// API for features                                                              //
-//                                                                               //
 // 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 as version 3 of the License, or                  //
@@ -22,6 +20,7 @@
 #include <QPainterPath>
 #include <QMouseEvent>
 #include <QDialog>
+#include <QDesktopServices>
 
 #include "gui/rollupwidget.h"
 #include "ui_glspectrumgui.h"
@@ -262,7 +261,7 @@ void RollupWidget::paintEvent(QPaintEvent*)
 
     p.setRenderHint(QPainter::Antialiasing, true);
 
-    // Ecken
+    // Ecken (corners)
     p.setPen(Qt::NoPen);
     p.setBrush(palette().base());
     p.drawRect(0, 0, 5, 5);
@@ -270,14 +269,14 @@ void RollupWidget::paintEvent(QPaintEvent*)
     p.drawRect(0, height() - 5, 5, 5);
     p.drawRect(width() - 5, height() - 5, 5, 5);
 
-    // Rahmen
+    // Rahmen (frame)
     p.setPen(m_highlighted ? Qt::white : frame);
     p.setBrush(palette().window());
     QRectF r(rect());
     r.adjust(0.5, 0.5, -0.5, -0.5);
     p.drawRoundedRect(r, 3.0, 3.0, Qt::AbsoluteSize);
 
-    // Titel-Hintergrund
+    // Titel-Hintergrund (Title background)
     p.setPen(Qt::NoPen);
     p.setBrush(m_titleColor);
     QPainterPath path;
@@ -289,7 +288,7 @@ void RollupWidget::paintEvent(QPaintEvent*)
     path.arcTo(QRectF(1.5, 2.5, 2.5, 2.5), 90, 90);
     p.drawPath(path);
 
-    // Titel-Abschlusslinie
+    // Titel-Abschlusslinie (Title closing line)
     p.setPen(frame);
     p.drawLine(QPointF(0.5, 2 + fm.height() + 1.5), QPointF(width() - 1.5, 2 + fm.height() + 1.5));
 
@@ -302,7 +301,7 @@ void RollupWidget::paintEvent(QPaintEvent*)
 
     if (m_channelWidget)
     {
-        // Stromkanal-Button links
+        // Stromkanal-Button links (Current channel)
         p.setPen(QPen(palette().windowText().color(), 1.0));
         p.setBrush(palette().light());
         p.drawRoundedRect(QRectF(5.5 + fm.ascent(), 2.5, fm.ascent() + 2.0, fm.ascent() + 2.0), 2.0, 2.0, Qt::AbsoluteSize);
@@ -310,7 +309,21 @@ void RollupWidget::paintEvent(QPaintEvent*)
         p.drawText(QRectF(5.5 + fm.ascent(), 2.5, fm.ascent() + 2.0, fm.ascent() + 2.0),  Qt::AlignCenter, m_streamIndicator);
     }
 
-    // Schließen-Button rechts
+    // Help button
+    if (!m_helpURL.isEmpty())
+    {
+        p.setRenderHint(QPainter::Antialiasing, true);
+        p.setPen(QPen(palette().windowText().color(), 1.0));
+        p.setBrush(palette().light());
+        r = QRectF(width() - 2*(3.5 + fm.ascent()), 3.5, fm.ascent(), fm.ascent());
+        p.drawRoundedRect(r, 2.0, 2.0, Qt::AbsoluteSize);
+        p.drawText(QRectF(width() - 2*(3.5 + fm.ascent()), 5, fm.ascent(), fm.ascent() - 2), Qt::AlignCenter, "?");
+    }
+
+    //p.drawLine(r.topLeft() + QPointF(1, 1), r.bottomRight() + QPointF(-1, -1));
+    //p.drawLine(r.bottomLeft() + QPointF(1, -1), r.topRight() + QPointF(-1, 1));
+
+    // Schließen-Button rechts (Close button on the right)
     p.setRenderHint(QPainter::Antialiasing, true);
     p.setPen(QPen(palette().windowText().color(), 1.0));
     p.setBrush(palette().light());
@@ -451,6 +464,19 @@ void RollupWidget::mousePressEvent(QMouseEvent* event)
         }
     }
 
+    // help button
+    if(!m_helpURL.isEmpty() && QRectF(width() - 2*(3.5 + fm.ascent()), 3.5, fm.ascent(), fm.ascent()).contains(event->pos()))
+    {
+        QString url;
+        if (m_helpURL.startsWith("http")) {
+            url = m_helpURL;
+        } else {
+            url = QString("https://github.com/f4exb/sdrangel/blob/master/%1").arg(m_helpURL); // Something like "plugins/channelrx/chanalyzer/readme.md"
+        }
+        QDesktopServices::openUrl(QUrl(url));
+        return;
+    }
+
     // close button right
     if(QRectF(width() - 3.5 - fm.ascent(), 3.5, fm.ascent(), fm.ascent()).contains(event->pos())) {
         close();

sdrgui/gui/rollupwidget.h

@@ -52,6 +52,7 @@ protected:
     bool m_highlighted;
     ContextMenuType m_contextMenuType;
     QString m_streamIndicator;
+    QString m_helpURL;
 
     int arrangeRollups();
 

sdrgui/mainwindow.cpp

@@ -29,6 +29,7 @@
 #include <QResource>
 #include <QFontDatabase>
 #include <QStandardPaths>
+#include <QDesktopServices>
 
 #include "device/devicegui.h"
 #include "device/deviceapi.h"
@@ -1753,6 +1754,16 @@ void MainWindow::on_presetTree_itemActivated(QTreeWidgetItem *item, int column)
 	on_presetLoad_clicked();
 }
 
+void MainWindow::on_action_Quick_Start_triggered()
+{
+    QDesktopServices::openUrl(QUrl("https://github.com/f4exb/sdrangel/wiki/Quick-start"));
+}
+
+void MainWindow::on_action_Main_Window_triggered()
+{
+    QDesktopServices::openUrl(QUrl("https://github.com/f4exb/sdrangel/blob/master/sdrgui/readme.md"));
+}
+
 void MainWindow::on_action_Loaded_Plugins_triggered()
 {
     PluginsDialog pluginsDialog(m_pluginManager, this);

sdrgui/mainwindow.h

@@ -184,6 +184,8 @@ private slots:
     void samplingDeviceChanged(int deviceType, int tabIndex, int newDeviceIndex);
     void channelAddClicked(int channelIndex);
     void featureAddClicked(int featureIndex);
+    void on_action_Quick_Start_triggered();
+    void on_action_Main_Window_triggered();
 	void on_action_Loaded_Plugins_triggered();
 	void on_action_About_triggered();
 	void on_action_addSourceDevice_triggered();

sdrgui/mainwindow.ui

@@ -64,7 +64,7 @@
      <x>0</x>
      <y>0</y>
      <width>1012</width>
-     <height>27</height>
+     <height>20</height>
     </rect>
    </property>
    <widget class="QMenu" name="menu_File">
@@ -92,6 +92,9 @@
     <property name="title">
      <string>&amp;Help</string>
     </property>
+    <addaction name="action_Quick_Start"/>
+    <addaction name="action_Main_Window"/>
+    <addaction name="separator"/>
     <addaction name="action_Loaded_Plugins"/>
     <addaction name="separator"/>
     <addaction name="action_About"/>
@@ -978,6 +981,16 @@
     <string>FFT</string>
    </property>
   </action>
+  <action name="action_Quick_Start">
+   <property name="text">
+    <string>&amp;Quick Start...</string>
+   </property>
+  </action>
+  <action name="action_Main_Window">
+   <property name="text">
+    <string>&amp;Main Window...</string>
+   </property>
+  </action>
   <zorder>presetDock</zorder>
   <zorder>channelDock</zorder>
   <zorder>commandsDock</zorder>