# HG changeset patch
# User David Douard <david.douard@logilab.fr>
# Date 1203196667 -3600
# Node ID a682ee5e6a5569b2374c68723800372ef85048e2
# Parent  ceb2a3a4de6cb9593a5ba91ebb9dd139411b33ff
add ability to select display (A or B) from which we get trace/coord

diff -r ceb2a3a4de6c -r a682ee5e6a55 pygpibtoolkit/HP3562A/datablockwidget.py
--- a/pygpibtoolkit/HP3562A/datablockwidget.py	Thu Feb 14 19:28:41 2008 +0100
+++ b/pygpibtoolkit/HP3562A/datablockwidget.py	Sat Feb 16 22:17:47 2008 +0100
@@ -294,7 +294,9 @@
 
         y = y.clip(min=self.header[1]['Min value of data'],
                    max=self.header[1]['Max value of data'],)
-        
+
+        if self.header[1]['Y scale factor']:
+            y *= self.header[1]['Y scale factor']
         self.canvas.axes.clear()
         self.canvas.axes.plot(x, y, 'r')
         self.canvas.axes.set_xlim(min(x), max(x))
diff -r ceb2a3a4de6c -r a682ee5e6a55 pygpibtoolkit/HP3562A/q3562A.py
--- a/pygpibtoolkit/HP3562A/q3562A.py	Thu Feb 14 19:28:41 2008 +0100
+++ b/pygpibtoolkit/HP3562A/q3562A.py	Sat Feb 16 22:17:47 2008 +0100
@@ -160,6 +160,19 @@
         self.getCoordAct.setStatusTip(self.tr("Retrieve Coord from GPIB device"))
         self.connect(self.getCoordAct, QtCore.SIGNAL("triggered()"),
                      self.getCoord)
+
+        self.channelActGroups = QtGui.QActionGroup(self)
+        self.channelActGroups.setExclusive(True)
+        self.channelAAct = QtGui.QAction(self.tr("Channel A"), self)
+        self.channelAAct.setCheckable(True)
+        self.channelAAct.setChecked(True)
+        self.channelAAct.setStatusTip(self.tr("Retrieve from channel A"))
+        self.channelActGroups.addAction(self.channelAAct)
+        self.channelBAct = QtGui.QAction(self.tr("Channel B"), self)
+        self.channelBAct.setCheckable(True)
+        self.channelBAct.setStatusTip(self.tr("Retrieve from channel B"))
+        self.channelActGroups.addAction(self.channelBAct)
+        
         
     def setupUi(self):
         self.connect(self.actionPreferences, SIGNAL('triggered(bool)'),
@@ -229,18 +242,19 @@
         self.fileMenu.addAction(self.saveAsAct)
         self.fileMenu.addSeparator()
         self.fileMenu.addAction(self.exitAct)
-        
-        self.windowMenu = self.menuBar().addMenu(self.tr("&Window"))
-        self.connect(self.windowMenu, QtCore.SIGNAL("aboutToShow()"), 
-                     self.updateWindowMenu)
-
-
 
         self.deviceMenu = self.menuBar().addMenu(self.tr("&Device"))
+        self.deviceMenu.addAction(self.channelAAct)
+        self.deviceMenu.addAction(self.channelBAct)
+        self.deviceMenu.addSeparator()
         self.deviceMenu.addAction(self.getStateAct)
         self.deviceMenu.addAction(self.getTraceAct)
         self.deviceMenu.addAction(self.getCoordAct)
 
+        self.windowMenu = self.menuBar().addMenu(self.tr("&Window"))
+        self.connect(self.windowMenu, QtCore.SIGNAL("aboutToShow()"), 
+                     self.updateWindowMenu)
+        
         self.menuBar().addSeparator()
         self.helpMenu = self.menuBar().addMenu(self.tr("&Help"))
         self.helpMenu.addAction(self.aboutAct)
@@ -252,9 +266,15 @@
         self.fileToolBar.addAction(self.openAct)
         self.fileToolBar.addAction(self.saveAsAct)
         self.fileToolBar.addSeparator()
-        self.fileToolBar.addAction(self.getStateAct)
-        self.fileToolBar.addAction(self.getTraceAct)
-        self.fileToolBar.addAction(self.getCoordAct)
+
+        self.deviceToolBar = self.addToolBar(self.tr("Device"))
+        self.deviceToolBar.setObjectName('devicetoolbar')
+        self.deviceToolBar.addAction(self.channelAAct)
+        self.deviceToolBar.addAction(self.channelBAct)
+        self.deviceToolBar.addSeparator()
+        self.deviceToolBar.addAction(self.getStateAct)
+        self.deviceToolBar.addAction(self.getTraceAct)
+        self.deviceToolBar.addAction(self.getCoordAct)
                 
     def createStatusBar(self):
         self.statusBar().showMessage(self.tr("Ready"))
@@ -332,10 +352,16 @@
         self.statusBar().showMessage(self.tr("Received data block"), 2000)
         self._receiving = False
 
+    def selectChannel(self):
+        if self.channelAAct.isEnabled():
+            self.captureThread.sendCommand("A")
+        else:
+            self.captureThread.sendCommand("B")
+        
     def getState(self):
         if self._receiving:
             return
-        self._receiving = True        
+        self._receiving = True
         self.statusBar().showMessage(self.tr("Waiting for a %1 data block").arg(self.tr('state')))
         self.getStateAct.setChecked(True)
         self.captureThread.startCapture(mode="state")
@@ -346,6 +372,7 @@
         self._receiving = True        
         self.statusBar().showMessage(self.tr("Waiting for a %1 data block").arg(self.tr('trace')))
         self.getTraceAct.setChecked(True)
+        self.selectChannel()
         self.captureThread.startCapture(mode="trace")
 
     def getCoord(self):
@@ -354,9 +381,10 @@
         self._receiving = True        
         self.statusBar().showMessage(self.tr("Waiting for a %1 data block").arg(self.tr('coord')))
         self.getCoordAct.setChecked(True)
+        self.selectChannel()
         self.captureThread.startCapture(mode="coord")
 
-class GPIBReceiver(QtCore.QThread):
+class GPIBConnection(QtCore.QThread):
     def __init__(self, cnx):
         QtCore.QThread.__init__(self)
         self.gpibdumper = cnx
@@ -375,6 +403,11 @@
         self._cancel = True
         self._cancelmutex.unlock()
 
+    def sendCommand(self, cmd):
+        if self._capturing:
+            return
+        return self.gpibdumper.send_command(cmd)
+        
     def startCapture(self, mode):
         self._modemutex.lock()
         self._mode = mode