# HG changeset patch
# User Drew Perttula <drewp@bigasterisk.com>
# Date 2012-06-14 06:23:31
# Node ID e8f9f4815ab45176c7a4646c1a5c0074379b8df9
# Parent  27fdbe9a8118288f416fba76b54c4d0c0bef194a

attempt at subtermview autoscroll but it doesn't work
Ignore-this: 4cb643412a6478a73526608a851ef9f4

diff --git a/bin/curvecalc b/bin/curvecalc
--- a/bin/curvecalc
+++ b/bin/curvecalc
@@ -66,7 +66,8 @@ class Main(object):
         # this is the only one i found that would set the size right,
         # but it's a minimum size, which i don't really want
         mainwin.set_size_request(1000, 1000)
-        
+
+        wtree.get_object("subterms").connect("add", self.onSubtermChildAdded)
         self.add_subterms_for_song(song, curveset, subterms)
         self.refreshCurveView()       
         
@@ -106,6 +107,11 @@ class Main(object):
         gtk.rc_reparse_all()
         reactor.callLater(1, self.refreshTheme)
 
+    def onSubtermChildAdded(self, subtermsTable, *args):
+        # this would probably work, but isn't getting called
+        v = subtermsTable.get_parent().props.vadjustment
+        v.props.value = v.props.upper
+
     def onQuit(self, *args):
         reactor.crash()
         # there's a hang after this, maybe in sem_wait in two
diff --git a/light9/curvecalc/curvecalc.glade b/light9/curvecalc/curvecalc.glade
--- a/light9/curvecalc/curvecalc.glade
+++ b/light9/curvecalc/curvecalc.glade
@@ -482,6 +482,8 @@
                                 <property name="visible">True</property>
                                 <property name="can_focus">False</property>
                                 <property name="n_columns">2</property>
+                                <signal name="add" handler="onSubtermChildAdded" swapped="no"/>
+                                <signal name="child-added" handler="onSubtermChildAdded" swapped="no"/>
                                 <child>
                                   <placeholder/>
                                 </child>
diff --git a/light9/curvecalc/subtermview.py b/light9/curvecalc/subtermview.py
--- a/light9/curvecalc/subtermview.py
+++ b/light9/curvecalc/subtermview.py
@@ -66,11 +66,29 @@ def add_one_subterm(graph, subUri, curve
 
     stv = Subtermview(graph, term)
     y = master.get_property('n-rows')
-    master.resize(y + 1, columns=2)
     master.attach(stv.label, 0, 1, y, y + 1, xoptions=0, yoptions=0)
     master.attach(stv.exprView, 1, 2, y, y + 1, yoptions=0)
+    scrollToRowUponAdd(stv.label)  
     if show:
         master.show_all()
     return term
 
 
+def scrollToRowUponAdd(widgetInRow):
+    """when this table widget is ready, scroll the table so we can see it"""
+    
+    # this doesn't work right, yet
+    return
+    
+    vp = widgetInRow
+    while vp.get_name() != 'GtkViewport':
+        print "walk", vp.get_name()
+        vp = vp.get_parent()
+    adj = vp.props.vadjustment
+
+    def firstExpose(widget, event, adj, widgetInRow):
+        print "scroll", adj.props.value
+        adj.props.value = adj.props.upper
+        widgetInRow.disconnect(handler)
+        
+    handler = widgetInRow.connect('expose-event', firstExpose, adj, widgetInRow)