From 6ec7ab5603863cb1f80a04e09fdb634c6ba6f380 Mon Sep 17 00:00:00 2001
From: Clemens Richter <csrichter@gmx.de>
Date: Tue, 18 Apr 2017 12:29:06 +0200
Subject: [PATCH] added auto_scroll to tmc_parser

---
 grc/multirds_tmc_parser.xml | 16 +++++++++++++++-
 python/tmc_parser.py        | 11 ++++++++---
 2 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/grc/multirds_tmc_parser.xml b/grc/multirds_tmc_parser.xml
index ce2f26a..7f70b2d 100644
--- a/grc/multirds_tmc_parser.xml
+++ b/grc/multirds_tmc_parser.xml
@@ -9,7 +9,7 @@
 #if not $label()
 	#set $label = '"%s"'%$id
 #end if
-$(parser) = multirds.tmc_parser($workdir, $log, $debug, $writeDB,$maxheight)
+$(parser) = multirds.tmc_parser($workdir, $log, $debug, $writeDB,$maxheight,$auto_scroll)
 $(win) = $(parser).getqtwidget()
 $(gui_hint()($win))
   </make>
@@ -66,6 +66,20 @@ $(gui_hint()($win))
 			<key>False</key>
 		</option>
 	</param>
+        <param>
+                <name>auto_scroll</name>
+                <key>auto_scroll</key>
+                <value>True</value>
+                <type>bool</type>
+                <option>
+                        <name>Enable</name>
+                        <key>True</key>
+                </option>
+                <option>
+                        <name>Disable</name>
+                        <key>False</key>
+                </option>
+        </param>
 	<param>
 		<name>write Database</name>
 		<key>writeDB</key>
diff --git a/python/tmc_parser.py b/python/tmc_parser.py
index 00eb54b..44ddc5c 100644
--- a/python/tmc_parser.py
+++ b/python/tmc_parser.py
@@ -33,7 +33,7 @@ class tmc_parser(gr.sync_block):
     """
     docstring for block tmc_parser
     """
-    def __init__(self, workdir,log,debug,writeDB,maxheight):
+    def __init__(self, workdir,log,debug,writeDB,maxheight,auto_scroll):
         gr.sync_block.__init__(self,
             name="tmc_parser",
             in_sig=None,
@@ -42,7 +42,7 @@ class tmc_parser(gr.sync_block):
         self.debug=debug
         self.workdir=workdir
         self.writeDB=writeDB
-        self.qtwidget=tmc_parser_Widget(self,maxheight)
+        self.qtwidget=tmc_parser_Widget(self,maxheight,auto_scroll)
         self.message_port_register_in(pmt.intern('in'))
         self.set_msg_handler(pmt.intern('in'), self.handle_msg)
         self.tmc_meta={}
@@ -251,6 +251,10 @@ class tmc_parser_Widget(QtGui.QWidget):
         if self.parser.tmc_messages.matchFilter(tmc_msg,filters):
             self.logOutput.append(Qt.QString.fromUtf8(tmc_msg.log_string()))
             self.logOutput.append(Qt.QString.fromUtf8(tmc_msg.multi_str()))
+        if self.auto_scroll:
+            scroll_max=self.logOutput.verticalScrollBar().maximum()
+            self.logOutput.verticalScrollBar().setValue(scroll_max)
+        #code.interact(local=locals())
     def updateui(self):
         print("updating ui")
     def filterChanged(self):
@@ -260,11 +264,12 @@ class tmc_parser_Widget(QtGui.QWidget):
         filters=[{"type":"location", "str":lf},{"type":"event", "str":ef}]
         self.logOutput.append(Qt.QString.fromUtf8(self.parser.tmc_messages.getLogString(filters)))
         print("filter changed")
-    def __init__(self, parser,maxheight):
+    def __init__(self, parser,maxheight,auto_scroll):
         QtGui.QWidget.__init__(self)
         layout = Qt.QVBoxLayout()
         self.setLayout(layout)
         self.parser=parser
+        self.auto_scroll=auto_scroll
         self.tmc_message_label=QtGui.QLabel("TMC messages:")
         self.event_filter=QtGui.QLineEdit()#QPlainTextEdit ?
         self.location_filter=QtGui.QLineEdit(u"Baden-Württemberg")