Re: Delete key and panther
Re: Delete key and panther
- Subject: Re: Delete key and panther
- From: Brian Webster <email@hidden>
- Date: Tue, 11 Nov 2003 14:14:59 -0600
This is just a guess as to what this may be, but I found this nugget in
the Panther release notes (under NSEvent):
The delivery rule for NSScrollWheel events has been changed so that
NSScrollWheel events are sent to the view under the mouse in a key or
utility window. NSScrollWheel events are dropped if the mouse is not
over a key or utility window. NSScrollWheel events may still be passed
up the responder chain from the receiving view.In 10.2, the window
server started setting an additional device-dependent modifier flag in
user input events to indicate when event coalescing is disabled.
Applications that check for modifierFlags using equality without
masking off the device-dependent modifierFlags first can get unexpected
behavior due to this change. In order to maintain compatibility for
applications built on Jaguar and earlier systems, NSEvent by default
strips this device-dependent modifier flag when creating the event from
a windowServer event. For applications built on Panther or later
systems, this will no longer be the default behavior. In order to
override NSEvent's default behavior, an application can specify a value
for the user default NSDeviceDependentModifierFlags. If this default is
set to NO, the device-dependent modifier flags will be stripped.
On Nov 10, 2003, at 10:37 PM, Rosyna wrote:
I'm overriding the sendEvent: method in an NSTableView subclass to do
some delete key handling. I want to delete the selected item when the
delete key is pressed. I do this by checking the key against
NSDeleteCharacter (unichar key = [[event charactersIgnoringModifiers]
characterAtIndex:0];) and making sure the event modifier flags are 0.
In Jaguar, this worked fine but now in panther the modifierFlags
method on NSEvent is returning 256 (1<<8).
What modifier flag is 256 and why is it being returned instead of 0
when no modifiers are being pressed?
--
Sincerely,
Rosyna Keller
Technical Support/Holy Knight/Always needs a hug
Unsanity: Unsane Tools for Insanely Great People
---
Please include any previous correspondence in replies, it helps me
remember what we were talking about. Thanks.
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--
Brian Webster
email@hidden
http://homepage.mac.com/bwebster
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