Hi Joseph,
I am looking at executing NVDA commands from other programs. My idea is to build
a com server with routines that execute NVDA commands programmatically. The
dateTime script appears to be a simple one I can try. In this case, can I pass
None as a gesture parameter assuming I only want the time spoken?
Pranav
-----Original Message-----
From: nvda-addons-bounce@xxxxxxxxxxxxx [mailto:nvda-addons-bounce@xxxxxxxxxxxxx]
On Behalf Of Joseph Lee
Sent: Saturday, July 11, 2015 10:01 PM
To: nvda-addons@xxxxxxxxxxxxx
Subject: [nvda-addons] Re: Executing NVDA commands programmatically
Hi,
Few things:
* You need to say:
globalCommands.GlobalCommands.script_dateTime(gesture)
* Are you looking at enhancing how date and time are announced? If so, it might
be better to hijack the date and time script (i.e. assign NVDA+F12 to your
add-on script) and do something with it, or call routines defined in
winKernel.py (wrapper around kernel32.dll of Windows API) where some of the most
useful Windows API functions are defined (most are Unicode (widechar (variant).
Tip: At one point in add-on development, you may need to learn some Windows API
functions, as Windows API is used by NVDA for various things. Although NVDA
provides wrappers for some, not all are defined in wrapper modules. In case of
time and date, you use kernel32::GetTimeFormat (in NVDA,
winKernel.getTimeFormat) for time and kernel32::GetDateFormat
(winKernel.getDateFormat) and pass in what you want Windows to return (NVDA core
uses NOSECONDS macro to announce just hours and minutes).
Cheers,
Joseph
-----Original Message-----
From: nvda-addons-bounce@xxxxxxxxxxxxx
[mailto:nvda-addons-bounce@xxxxxxxxxxxxx] On Behalf Of Pranav Lal
Sent: Saturday, July 11, 2015 7:07 AM
To: nvda-addons@xxxxxxxxxxxxx
Subject: [nvda-addons] Re: Executing NVDA commands programmatically
Hi Joseph,
I found most of the commands I wanted in globalCommands.py. I have tried to
create a very small add-on to execute the function to speak the current time. My
problem is that I am not sure what to do about the gesture parameter that the
date and time script wants. I want to execute it programmatically and not with a
gesture so the gesture parameter will be blank.
The script has been defined as
def script_ Time(self,gesture):
My add-on is below
import globalPluginHandler
import globalCommands
class GlobalPlugin(globalPluginHandler.GlobalPlugin):
def script_announceDT(self, gesture):
dateTime(gesture)
Pranav
-----Original Message-----
From: nvda-addons-bounce@xxxxxxxxxxxxx
[mailto:nvda-addons-bounce@xxxxxxxxxxxxx]
On Behalf Of Joseph Lee
Sent: Saturday, July 11, 2015 10:46 AM
To: nvda-addons@xxxxxxxxxxxxx
Subject: [nvda-addons] Re: Executing NVDA commands programmatically
Hi,
Yes, you do need to look at NVDA source code itself. In fact, some of the
community add-ons have borrowed ideas and user interface mechanics from NVDA
core.
Cheers,
Joseph
-----Original Message-----
From: nvda-addons-bounce@xxxxxxxxxxxxx
[mailto:nvda-addons-bounce@xxxxxxxxxxxxx] On Behalf Of Pranav Lal
Sent: Friday, July 10, 2015 10:05 PM
To: nvda-addons@xxxxxxxxxxxxx
Subject: [nvda-addons] Re: Executing NVDA commands programmatically
Hi Joseph,
Thanks for this. Where can I go to get a list of scripts that are globally
available? I am guessing I have to look at the code.
Pranav
-----Original Message-----
From: nvda-addons-bounce@xxxxxxxxxxxxx
[mailto:nvda-addons-bounce@xxxxxxxxxxxxx]
On Behalf Of Joseph Lee
Sent: Friday, July 10, 2015 9:03 PM
To: nvda-addons@xxxxxxxxxxxxx
Subject: [nvda-addons] Re: Executing NVDA commands programmatically
Hi,
For global commands, yes. You need to use:
globalCommands.GlobalCommands.script_name(gesture)
For apps, you need to test if the script can be found by using "has attribute"
function like so:
hasattr(object, "script")
Same goes with other attributes you wish to test. One useful way is to test NVDA
version indirectly by testing for presence of specific attributes in a module.
Cheers,
Joseph
-----Original Message-----
From: nvda-addons-bounce@xxxxxxxxxxxxx
[mailto:nvda-addons-bounce@xxxxxxxxxxxxx] On Behalf Of Pranav Lal
Sent: Friday, July 10, 2015 6:51 AM
To: nvda-addons@xxxxxxxxxxxxx
Subject: [nvda-addons] Executing NVDA commands programmatically
Hi all,
Is it possible to execute NVDA commands programmatically from within a NVDA
add-on? For example, if I wrote an add-on for Microsoft Word that did something
and I wanted it to read the current line, could I execute this command from
within the add-on? One way would be to execute the relevant key combination but
keys can be changed. Could I perhaps scroll through a dictionary of gestures and
or commands, find the one I want and then execute it?
Pranav
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