Hi David,
I think a slightly better way would be to have a map (dictionary) of control
ID's to label names so the object init event can pull it in (this is employed
in TeamTalk add-on and others). Note that this works best if control ID's are
static across sessions/systems/upgrades.
Cheers,
Joseph
-----Original Message-----
From: nvda-addons-bounce@xxxxxxxxxxxxx
[mailto:nvda-addons-bounce@xxxxxxxxxxxxx] On Behalf Of David Mehler
Sent: Tuesday, July 5, 2016 10:30 PM
To: nvda-addons <nvda-addons@xxxxxxxxxxxxx>
Subject: [nvda-addons] Dynamically changing control IDs
Hello,
I'm trying to write an addon for an application, it's called demon tools lite
and it's purpose is to mount iso or other cd/dvd disk images as virtual cd/dvd
drives.
I installed this app on one of my machines, 7 at the time, since gone to ten,
and made a .py file, part below. It's going to do a few things, first check for
a button, then check if that button has a specific control ID, if it does,
speak a label so that when tabbing through I know what each button, which by
default are unlabeled, does.
The problem is I put this app on another machine, laptop that went ten, and
loaded the app module. It didn't work. Exploring the buttons I found out why,
apparently the app uses dynamically generated control IDs for the buttons,
works fine on the one box, doesn't work a t all on the other.
Here's a snipet of code:
import appModuleHandler
from NVDAObjects.window import Window
class AppModule(appModuleHandler.AppModule):
def event_NVDAObject_init(self, obj):
if isinstance(obj, Window) and obj.windowClassName == "Button":
if obj.windowControlID == 1042:
obj.name = "Connect"
if obj.windowControlID == 1043:
obj.name = "Save"
Does anyone have a better way of doing this or something more reliable?
Thanks.
Dave.
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