A2JMIDI: Simplify UI

- Remove "Export HW Ports" button
- Make the "Export Ports" checkbox apply changes immediately
- Change the status label to show when ports are exported

resources/ui/cadence.ui

@@ -782,13 +782,6 @@
                      </property>
                     </widget>
                    </item>
-                   <item>
-                    <widget class="QPushButton" name="b_a2j_export_hw">
-                     <property name="text">
-                      <string>Export HW ports</string>
-                     </property>
-                    </widget>
-                   </item>
                    <item>
                     <spacer name="horizontalSpacer_8">
                      <property name="orientation">
@@ -825,7 +818,7 @@
                    <item>
                     <widget class="QCheckBox" name="cb_a2j_autoexport">
                      <property name="text">
-                      <string>Export ports on startup</string>
+                      <string>Export hardware ports</string>
                      </property>
                     </widget>
                    </item>

src/cadence.py

@@ -1063,7 +1063,6 @@ class CadenceMainW(QMainWindow, ui_cadence.Ui_CadenceMainW):
             self.systray.addMenu("a2j", self.tr("ALSA MIDI Bridge"))
             self.systray.addMenuAction("a2j", "a2j_start", self.tr("Start"))
             self.systray.addMenuAction("a2j", "a2j_stop", self.tr("Stop"))
-            self.systray.addMenuAction("a2j", "a2j_export_hw", self.tr("Export Hardware Ports..."))
             self.systray.addMenu("pulse", self.tr("PulseAudio Bridge"))
             self.systray.addMenuAction("pulse", "pulse_start", self.tr("Start"))
             self.systray.addMenuAction("pulse", "pulse_stop", self.tr("Stop"))
@@ -1085,7 +1084,6 @@ class CadenceMainW(QMainWindow, ui_cadence.Ui_CadenceMainW):
             self.systray.connect("alsa_stop", self.slot_AlsaBridgeStop)
             self.systray.connect("a2j_start", self.slot_A2JBridgeStart)
             self.systray.connect("a2j_stop", self.slot_A2JBridgeStop)
-            self.systray.connect("a2j_export_hw", self.slot_A2JBridgeExportHW)
             self.systray.connect("pulse_start", self.slot_PulseAudioBridgeStart)
             self.systray.connect("pulse_stop", self.slot_PulseAudioBridgeStop)
 
@@ -1130,7 +1128,6 @@ class CadenceMainW(QMainWindow, ui_cadence.Ui_CadenceMainW):
 
         self.b_a2j_start.clicked.connect(self.slot_A2JBridgeStart)
         self.b_a2j_stop.clicked.connect(self.slot_A2JBridgeStop)
-        self.b_a2j_export_hw.clicked.connect(self.slot_A2JBridgeExportHW)
         self.b_pulse_start.clicked.connect(self.slot_PulseAudioBridgeStart)
         self.b_pulse_stop.clicked.connect(self.slot_PulseAudioBridgeStop)
         self.tb_pulse_options.clicked.connect(self.slot_PulseAudioBridgeOptions)
@@ -1189,6 +1186,7 @@ class CadenceMainW(QMainWindow, ui_cadence.Ui_CadenceMainW):
         # org.gna.home.a2jmidid.control
         self.DBusA2JBridgeStartedCallback.connect(self.slot_DBusA2JBridgeStartedCallback)
         self.DBusA2JBridgeStoppedCallback.connect(self.slot_DBusA2JBridgeStoppedCallback)
+        self.cb_a2j_autoexport.stateChanged[int].connect(self.slot_A2JBridgeExportHW)
 
         # -------------------------------------------------------------
 
@@ -1342,21 +1340,12 @@ class CadenceMainW(QMainWindow, ui_cadence.Ui_CadenceMainW):
             if GlobalSettings.value("A2J/AutoStart", True, type=bool):
                 if not portsExported and GlobalSettings.value("A2J/AutoExport", True, type=bool):
                     gDBus.a2j.set_hw_export(True)
-                    self.systray.setActionEnabled("a2j_start", False)
                     portsExported = True
                 gDBus.a2j.start()
             else:
                 self.b_a2j_start.setEnabled(True)
-                self.b_a2j_export_hw.setEnabled(True)
                 self.systray.setActionEnabled("a2j_start", True)
 
-            if portsExported:
-                self.b_a2j_export_hw.setText('Ports exported!')
-
-            # It is only needed to export the ports initially, new ones will appear automatically
-            self.b_a2j_export_hw.setEnabled(not portsExported)
-            self.systray.setActionEnabled("a2j_export_hw", not portsExported)
-
         self.checkAlsaAudio()
         self.checkPulseAudio()
 
@@ -1388,10 +1377,7 @@ class CadenceMainW(QMainWindow, ui_cadence.Ui_CadenceMainW):
 
         if gDBus.a2j:
             self.b_a2j_start.setEnabled(False)
-            self.b_a2j_export_hw.setEnabled(False)
             self.systray.setActionEnabled("a2j_start", False)
-            if bool(gDBus.a2j.get_hw_export()):
-                self.b_a2j_export_hw.setText('Ports exported!')
 
         global jackClientIdALSA, jackClientIdPulse
         jackClientIdALSA  = -1
@@ -1406,17 +1392,17 @@ class CadenceMainW(QMainWindow, ui_cadence.Ui_CadenceMainW):
         self.b_a2j_stop.setEnabled(True)
         self.systray.setActionEnabled("a2j_start", False)
         self.systray.setActionEnabled("a2j_stop", True)
-        self.label_bridge_a2j.setText(self.tr("ALSA MIDI Bridge is running"))
+        if bool(gDBus.a2j.get_hw_export()):
+            self.label_bridge_a2j.setText(self.tr("ALSA MIDI Bridge is running, ports are exported"))
+        else :
+            self.label_bridge_a2j.setText(self.tr("ALSA MIDI Bridge is running"))
 
     def a2jStopped(self):
         jackRunning = bool(gDBus.jack and gDBus.jack.IsStarted())
-        needExport = bool(not gDBus.a2j.get_hw_export() and jackRunning)
         self.b_a2j_start.setEnabled(jackRunning)
         self.b_a2j_stop.setEnabled(False)
         self.systray.setActionEnabled("a2j_start", jackRunning)
         self.systray.setActionEnabled("a2j_stop", False)
-        self.systray.setActionEnabled("a2j_export_hw", needExport)
-        self.b_a2j_export_hw.setEnabled(needExport)
         self.label_bridge_a2j.setText(self.tr("ALSA MIDI Bridge is stopped"))
 
     def checkAlsaAudio(self):
@@ -1788,17 +1774,14 @@ class CadenceMainW(QMainWindow, ui_cadence.Ui_CadenceMainW):
     def slot_A2JBridgeStop(self):
         gDBus.a2j.stop()
 
-    @pyqtSlot()
-    def slot_A2JBridgeExportHW(self):
+    @pyqtSlot(int)
+    def slot_A2JBridgeExportHW(self, state):
         a2jWasStarted = bool(gDBus.a2j.is_started())
 
         if a2jWasStarted:
             gDBus.a2j.stop()
 
-        gDBus.a2j.set_hw_export(True)
-        self.b_a2j_export_hw.setText('Ports exported!')
-        self.b_a2j_export_hw.setEnabled(False)
-        self.systray.setActionEnabled("a2j_export_hw", False)
+        gDBus.a2j.set_hw_export(bool(state))
 
         if a2jWasStarted:
             gDBus.a2j.start()