From ae9d8bcea3a32be96f0f6b2db0399a890a7da831 Mon Sep 17 00:00:00 2001
From: Maxime Perrotin <Maxime.Perrotin@esa.int>
Date: Thu, 15 Feb 2018 14:50:34 +0100
Subject: [PATCH] Make sure last item put on the MSC is visible

Automatic scroll up when streaming
---
 asn1_value_editor/mscStreamingScene.py  |  7 ++++++-
 asn1_value_editor/test_msc_streaming.py | 14 ++------------
 2 files changed, 8 insertions(+), 13 deletions(-)

diff --git a/asn1_value_editor/mscStreamingScene.py b/asn1_value_editor/mscStreamingScene.py
index 1cf47ce..3dbedc4 100644
--- a/asn1_value_editor/mscStreamingScene.py
+++ b/asn1_value_editor/mscStreamingScene.py
@@ -70,6 +70,7 @@ class MscStreamingScene(MscGraphBasicMSCScene):
 
         rst = super(MscStreamingScene, self).addMessage2(graphMsg)
         self.streamingControl(rst)
+        rst.ensureVisible()
         return rst
 
 
@@ -79,6 +80,7 @@ class MscStreamingScene(MscGraphBasicMSCScene):
         y = y - self.globalDiff
         rst = super(MscStreamingScene, self).addCondition(instance, y, label)
         self.streamingControl(rst)
+        rst.ensureVisible()
         return rst
 
 
@@ -88,6 +90,7 @@ class MscStreamingScene(MscGraphBasicMSCScene):
         pos = instance.mapFromScene(0, y)
         rst = super(MscStreamingScene, self).addTimer(instance, pos, label)
         self.streamingControl(rst)
+        rst.ensureVisible()
         return rst
 
 
@@ -118,6 +121,7 @@ class MscStreamingScene(MscGraphBasicMSCScene):
         y = y - self.globalDiff
         rst = super(MscStreamingScene, self).addProcedure(instance, y, label)
         self.streamingControl(rst)
+        rst.ensureVisible()
         return rst
 
 
@@ -136,8 +140,9 @@ class MscStreamingScene(MscGraphBasicMSCScene):
 
     def streamingControl(self, element):
         ''' Scroll up in streaming mode '''
-        #self.visible_items.append(element)
+        _ = element
         if len(self.visible_items) > self.max_items:
+            #print "stream up"
             item = self.visible_items.popleft()
             firstY = item.pos().y()
             self.removeGenericItem(item)
diff --git a/asn1_value_editor/test_msc_streaming.py b/asn1_value_editor/test_msc_streaming.py
index 80361d8..471690a 100755
--- a/asn1_value_editor/test_msc_streaming.py
+++ b/asn1_value_editor/test_msc_streaming.py
@@ -64,20 +64,10 @@ def test_msc():
                                     next_y,
                                     "Pong({})".format(counter))
         add_item(item)
-
+        print "next y = ", next_y
 
     msc_scene.mousePressEvent = click
-#   for _ in xrange (10):
-#       item = msc_scene.addMessage(gui_instance,
-#                                   taste_instance,
-#                                   next_y,
-#                                   "Ping({})".format(counter))
-#       add_item(item)
-#       item = msc_scene.addMessage(taste_instance,
-#                                   gui_instance,
-#                                   next_y,
-#                                   "Pong({})".format(counter))
-#       add_item(item)
+
     app.exec_()
 
 
-- 
GitLab