From ab901e7d4cb6e5e8b1b46dac8a7af74acf72cb8c Mon Sep 17 00:00:00 2001
From: Johnathan Corgan
Date: Wed, 21 Oct 2009 17:11:03 -0700
Subject: Basic terminal window that takes raw text on input msgq and appends
 it

Works, but needs "--line-buffered" mode for GR buffering between blocks
---
 gr-wxgui/src/python/term_window.py | 29 +++++++++++++++++++++++++----
 gr-wxgui/src/python/termsink.py    | 26 ++++++++++++++------------
 grc/blocks/wxgui_termsink.xml      | 25 ++++++++++++++++++++++++-
 3 files changed, 63 insertions(+), 17 deletions(-)

diff --git a/gr-wxgui/src/python/term_window.py b/gr-wxgui/src/python/term_window.py
index 8658e54a6..77270b1f3 100644
--- a/gr-wxgui/src/python/term_window.py
+++ b/gr-wxgui/src/python/term_window.py
@@ -20,17 +20,27 @@
 #
 
 import wx
-import pubsub
 
 DEFAULT_WIN_SIZE = (600, 300)
+APPEND_EVENT = wx.NewEventType()
+EVT_APPEND_EVENT = wx.PyEventBinder(APPEND_EVENT, 0)
 
-class term_window(wx.Panel, pubsub.pubsub):
+class AppendEvent(wx.PyEvent):
+    def __init__(self, text):
+        wx.PyEvent.__init__(self)
+        self.SetEventType(APPEND_EVENT)
+        self.text = text
+
+    def Clone(self): 
+        self.__class__(self.GetId())
+
+
+class term_window(wx.Panel):
 	def __init__(self,
 		     parent,
 		     size,
 		     ):
 
-		pubsub.pubsub.__init__(self)
 		wx.Panel.__init__(self,
 				  parent,
 				  size=size,
@@ -39,7 +49,7 @@ class term_window(wx.Panel, pubsub.pubsub):
 
 		self.text_ctrl = wx.TextCtrl(self,
 					     wx.ID_ANY,
-					     value="BOO",
+					     value="",
 					     size=size,
 					     style=wx.TE_MULTILINE|wx.TE_READONLY,
 					)
@@ -47,3 +57,14 @@ class term_window(wx.Panel, pubsub.pubsub):
 		main_sizer = wx.BoxSizer(wx.VERTICAL)
 		main_sizer.Add(self.text_ctrl, 1, wx.EXPAND)
 		self.SetSizerAndFit(main_sizer)
+
+                EVT_APPEND_EVENT(self, self.evt_append)
+
+        def append_text(self, text):
+            evt = AppendEvent(text)
+            wx.PostEvent(self, evt)
+            del evt
+
+        def evt_append(self, evt):
+            print "appending", len(evt.text), "bytes"
+            self.text_ctrl.AppendText(evt.text)
diff --git a/gr-wxgui/src/python/termsink.py b/gr-wxgui/src/python/termsink.py
index 2c583b115..addfa5810 100644
--- a/gr-wxgui/src/python/termsink.py
+++ b/gr-wxgui/src/python/termsink.py
@@ -20,22 +20,24 @@
 #
 
 import term_window
-import common
-from gnuradio import gr
+from gnuradio import gru
 
-class termsink(gr.hier_block2, common.wxgui_hb):
+class termsink(object):
 	def __init__(self,
 		     parent,
+		     msgq,
+		     size=term_window.DEFAULT_WIN_SIZE,
 		     ):
-
-		gr.hier_block2.__init__(
-			self,
-			"termsink",
-			gr.io_signature(0, 0, 0),
-			gr.io_signature(0, 0, 0),
-		)
-
+		
 		self.win = term_window.term_window(
 			parent=parent,
-			size=term_window.DEFAULT_WIN_SIZE,
+			size=size,
 		)
+
+		self.runner = gru.msgq_runner(msgq, self.handle_msg)
+
+	def handle_msg(self, msg):
+		# Just append text for now
+		text = msg.to_string()
+		print "handle_msg: received", len(text), "bytes"
+		self.win.append_text(text)
diff --git a/grc/blocks/wxgui_termsink.xml b/grc/blocks/wxgui_termsink.xml
index e1d52cd17..fce7577de 100644
--- a/grc/blocks/wxgui_termsink.xml
+++ b/grc/blocks/wxgui_termsink.xml
@@ -7,26 +7,49 @@
 <block>
 	<name>Terminal Sink</name>
 	<key>wxgui_termsink</key>
+
 	<import>from gnuradio.wxgui import termsink</import>
+
 	<make>#set $parent = $notebook() and 'self.%s.GetPage(%s)'%$notebook() or 'self'
 termsink.termsink(
-	$(parent).GetWin(),
+	parent=$(parent).GetWin(),
+#if $win_size()
+	size=$win_size,
+#end if
+	msgq=$(id)_msgq,
 )
 #if not $grid_pos()
 $(parent).Add(self.$(id).win)
 #else
 $(parent).GridAdd(self.$(id).win, $(', '.join(map(str, $grid_pos()))))
 #end if</make>
+
+	<param>
+		<name>Window Size</name>
+		<key>win_size</key>
+		<value></value>
+		<type>int_vector</type>
+		<hide>#if $win_size() then 'none' else 'part'#</hide>
+	</param>
 	<param>
 		<name>Grid Position</name>
 		<key>grid_pos</key>
 		<value></value>
 		<type>grid_pos</type>
 	</param>
+
 	<param>
 		<name>Notebook</name>
 		<key>notebook</key>
 		<value></value>
 		<type>notebook</type>
 	</param>
+
+	<check>not $win_size or len($win_size) == 2</check>
+
+	<sink>
+		<name>in</name>
+		<type>msg</type>
+	</sink>
+	
 </block>
-- 
cgit