From 2fee267dfee11bd687b4d780cb6b82924d59af3c Mon Sep 17 00:00:00 2001
From: Sebastian Koslowski <koslowski@kit.edu>
Date: Thu, 23 Jul 2015 16:36:22 +0200
Subject: grc: open and update params from external editor
---
grc/gui/FlowGraph.py | 37 +++++++++++++++++++++++++++++++++++--
1 file changed, 35 insertions(+), 2 deletions(-)
(limited to 'grc/gui/FlowGraph.py')
diff --git a/grc/gui/FlowGraph.py b/grc/gui/FlowGraph.py
index fc6a711572..b27f0153db 100644
--- a/grc/gui/FlowGraph.py
+++ b/grc/gui/FlowGraph.py
@@ -18,12 +18,16 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
"""
import random
+import functools
from itertools import chain
from operator import methodcaller
+import gobject
+
from . import Actions, Colors, Utils, Messages, Bars
-from .Constants import SCROLL_PROXIMITY_SENSITIVITY, SCROLL_DISTANCE
-from .Element import Element
+from . Element import Element
+from . Constants import SCROLL_PROXIMITY_SENSITIVITY, SCROLL_DISTANCE
+from . external_editor import ExternalEditor
class FlowGraph(Element):
@@ -55,6 +59,35 @@ class FlowGraph(Element):
self._context_menu = Bars.ContextMenu()
self.get_context_menu = lambda: self._context_menu
+ self._external_updaters = {}
+
+ def install_external_editor(self, param):
+ target = (param.get_parent().get_id(), param.get_key())
+
+ if target in self._external_updaters:
+ editor = self._external_updaters[target]
+ else:
+ updater = functools.partial(
+ self.handle_external_editor_change, target=target)
+ editor = self._external_updaters[target] = ExternalEditor(
+ name=target[0], value=param.get_value(),
+ callback=functools.partial(gobject.idle_add, updater)
+ )
+ editor.start()
+ editor.open_editor()
+
+ def handle_external_editor_change(self, new_value, target):
+ try:
+ block_id, param_key = target
+ self.get_block(block_id).get_param(param_key).set_value(new_value)
+
+ except (IndexError, ValueError): # block no longer exists
+ self._external_updaters[target].stop()
+ del self._external_updaters[target]
+ return
+ Actions.EXTERNAL_UPDATE()
+
+
###########################################################################
# Access Drawing Area
###########################################################################
--
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