lasses etc.), but that's hairy to do consistently
without missing one, especially if it's not your code.
Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywhere..."
http://stacksmith.org
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r base class implements -foo:, and if yes, swizzle in a
compatibility implementation of -foo: or one of -foo:withBar: that calls -foo:?
Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywhere..."
http://stacksmith.org
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That way the clipping happens on the GPU and the CPU doesn't
constantly need to update the entire image and upload it onto the GPU. IIRC the
contentsRect property is what I used to tell the GPU how to clip the drawing in
the "selected" layer.
Cheers,
-- Uli Ku
nt Accessibility for it. You can probably just give a number
indicating the level, but otherwise you might have to do whatever NSSlider does
to expose itself to Accessibility. Or maybe you could just subclass NSSlider,
replace all the tracking and drawing code, and that way get Accessibility for
fre
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it.
Or do you mean the HTML title tag?
Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywhere..."
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ne of this helps, a common occurrence of weird behaviour like this is also
sometimes screwing up internal state by using thread-safe API that is not
documented to support being used from more than one thread at once, or API
that's not safe to use from non-main threads at all, from several
in mind that display
names are HFS-style names that may contain slashes, so using a slash as a path
separator with those can lead to wrong display.
Check out what the "Open recent" submenu does with file names for a good idea
to follow if you can't use a path control. Particularly h
interest
when displaying it, e.g. having the path display just start at the home folder
and using the file icon to have the user recognize it is a user folder.
Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywhere..."
http://stacksmith.org
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th today's Finder (I think it's more like 10.5's or so), and if I was
doing this class again today, I'd probably try to switch to using CALayers
instead of cells. Also, of course the IB plugin stuff in there is no longer
useful. But the main view and cell classes proper should be a
hen I check the NSFileManager.h header in the 10.11 SDK that
seems to be true: NSFileManager doesn't declare an applicationSupportDirectory
method, it seems.
Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywhere..."
http://stacksmith.org
_
und to how long the user can hold the
> mouse button. (With assistive technologies, the user doesn't even have to be
> actually holding anything for the duration.)
It shouldn't. performSelector:afterDelay: schedules using
NSRunLoopDefaultMode, while the slider uses NSEventTrackingRun
Ls.
>
> Rather than a plug-in, would a Safari extension do what you need? You might
> take look at
> https://developer.apple.com/library/safari/documentation/Tools/Conceptual/SafariExtensionGuide/WorkingwithWindowsandTabs/WorkingwithWindowsandTabs.html
You could probably modify Webera
nderscore-in-a-c-identifier).
Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywhere..."
http://stacksmith.org
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inally, did you just update Xcode or change the SDK? Maybe the current SDK is
now 64-bit only, but your app is still 32/64, and so it won't link because it
can't find the 32-bit linking info anymore.
Cheers,
-- Uli Kusterer
"The Witnesses of
ou really mean +newBlah ? Not something like +blahWithX: or just +blah?
Because +new is documented to just be a shorthand for +alloc followed by -init
on the result, so +newBlah behaving differently than +new sounds kinda
inconsistent to me. Did I miss a serious gotcha there?
Cheers,
-- Uli Kust
urned), and end up
over-releasing the +0 reference of the factory method. The other way round is
similar. If you create a -copyMachine method, ARC will just return a +1
reference from it and any other code using it must release it once done to
avoid leaking.
Cheers,
-- Uli Kusterer
"Th
xpectedly long due to GPU not being activated, and that in turn causing the
heartbeat thread to take out the lock too often, starving the other thread.
It could also be a side effect of anything else you're doing on a thread.
Particularly if, somewhere, you're accidentally doing UI on
o an NSString
> that is constant; but I recognize that may not be the way things are done in
> Obj-C.
Yeah, while in general that would be true, there currently is no such thing as
a NSString const as far as the ObjC compiler is concerned. ObjC's constants are
still sort of a runtime
or windows (but this
has a lot of potential to break the other app, so isn't very popular and very
hard to get right)
Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywhere..."
http://stacksmith.org
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On 23 Apr 2016, at 14:27, Dave wrote:
>> On 22 Apr 2016, at 18:17, Uli Kusterer wrote:
>> - Whether you want in the app store. If not,
> Not, don’t want the App in the App store and the I’m not the developer of the
> other app.
>
> I just want to put a window in front
3. Some MRC code in your ARC code over-releasing an object before it's even
handed to NSViewController as a delegate.
… uh, can't think of anything else right now.
Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywher
plication too soon after the activate statement, this was usually
> fixed by adding a delay. These days it the above statements seem to work and
> I’m wondering if some code has been added to stop this from happening, and,
> if so if I could do something similar.
Have you looked int
when it becomes frontmost, according to the comments
in that header.
Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywhere..."
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! Thanks for the tip.
That's even better than iterating runningApplications, I suppose. Though if
the app you're launching is a GUI app, you may want -menuBarOwningApplication
instead.
Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywher
way.)
>
> Is this a good way to present in the window? Any gotchas? (Oh, this is on
> OS X and I’m using storyboards.)
I'd just put a checkbox in front of the field. Check it off to mean NIL, check
it on to enable and edit the text field.
Cheers,
-- Uli Kusterer
"The Witnes
ve checked that I’m closing down the NSTask properly, as far as I can see.
>
> Is this the expected behaviour?
Are you reading all the data from the task (i.e. its standardOutput, not the
file) before you close it? AFAIR that's a prerequisite for it to properly close.
Cheers,
-- Ul
eing dragged, but beyond that you're pretty much back where you were in
System 6 before the Drag Manager came around.
Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywhere..."
http://stacksmith.org
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does the same name replacement on the XIB and
then manually feeds the result through ibtool. If your class only is the file's
owner of a XIB, then you needn't bother. The file's owner's class is only
advisory (you get whatever kind of object was passed in
OS)
Sure! Pick "Edit Scheme..." from the target selection popup in your Xcode
window's toolbar. There, select the "Run" entry on the left. In the "Info" tab,
you can set the executable to run to any executable in your project, or another
arbitrary one.
> On 22 Sep 2016, at 02:01, Graham Cox wrote:
>
>
>> On 22 Sep 2016, at 9:44 AM, Gabriel Zachmann wrote:
>>
>> I have found on the net
>
> That isn’t always a recommendation ;)
>
>
>> if ( context == (__bridge void *) @"mediaLibraryLoaded" )
Gabriel,
this is a pointer comparison, not a
On 22 Sep 2016, at 02:02, Doug Hill wrote:
>>> My question is: how can the compiler know that '==' in this case is a
>>> NSString comparison?
>>> Or is some other magic going on here? if so, which?
>>> Does the compiler know it should perform some kind of dynamic method
>>> dispatch?
>>
>> My g
> On 22 Sep 2016, at 02:05, Gabriel Zachmann wrote:
>>
>>> how can the compiler know that '==' in this case is a NSString comparison?
>>
>> It can’t because it isn't. What’s being compared are raw pointers. The
>> string value is irrelevant.
>
> Let me try to paraphrase, in order to check whe
alls (for those same keys, at least) are using
> nil or NSObjects.
That's not enough. You would also have to ensure that none of Apple's code uses
a non-object context in any KVOs it installs on any of your objects.
Which you can't.
Cheers,
-- Uli Kusterer
"The Witness
No. It is not supposed to be a refCon or userInfo. It's a unique identifier for
this observation (which can't be "self", because then observations registered
by a subclass would get the same identifier as observations registered by the
base class, and if one unsubscribes or re-
y to overlap."
It is to insulate code inherited from a superclass that observes the same
property as code in the superclass. By using a unique context as an additional
identifier for the subscription, the subclass can't accidentally unsubscribe
the base class that still wants to
object)
that represents your registration and that you keep around and pass to the
remove call to specify which registration to unregister.
Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywhere..."
http://www.zathras.de
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nvocation, as the observeValueForKeyPath method can't be called using
performSelector) to funnel all its callbacks through a single method on your
object.
If it allowed specifying a SEL to call, on the observer, you wouldn't need a
context parameter.
Cheers,
-- Ul
t contains useful
information, you can't tell it from someone else's context anymore (such as
your superclass's). At the least using it for data would be bad style.
Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywhere..."
http://www.zathras.de
__
yContext;
is *guaranteed* to give you a unique address that nobody else's object may
occupy?
Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywhere..."
http://www.zathras.de
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ing out resource forks is still buggy, but the
reading code works fine.
Cheers,
-- Uli Kusterer
"The Witnesses of TeachText are everywhere..."
http://www.zathras.de
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k there. If you can't do that,
another option would be to run the code on the main thread of another process,
e.g. using XPC, and have that call you back when it needs to make your app do
something on *its* main thread.
Cheers,
-- Uli Kusterer
"The Witness
t know if there is any documentation (haven't worked on a
QuickLook importer in years), but I'd try properly adding sandboxing
entitlements to your importer and seeing if that fixes things, as if it was a
standalone app.
Cheers,
-- Uli Kusterer
"
ll windows converted worked as part of the responder chain. It's
been too long for me to remember what we actually did in what order. I think we
first converted the menu bar to Cocoa alone, then slowly migrated windows bit
by bit, starting with modal windows first. Maybe that info helps
ets, I don't think this still works. If anyone has a similar trick…
I suppose you could try setting breakpoints in the various beginSheet calls in
NSApplication/NSWindow, or maybe one on -setSheetParent: might be enough.
Cheers,
-- Uli Kusterer
"The Witnesses of T
al kind of
view. For the latter, you can just create a transparent, borderless window and
give it a tracking area that sets your cursor.
I can give more detailed suggestions for these approaches, but there are many
ways to do the same thing that work better or worse depending on what your
're triggering a notification on a particular object/property and
while that is being handled in -observeValueForKeyPath:..., it will not send a
second notification.
Did you move code from the -observeValueForKeyPath:... into didSet?
Cheers,
-- Uli Kusterer
"The Witnesses of TeachText
Have you tried printing the responder chain when this happens? But as others
have said, funnelling all menu choices through a menuClick: method sounds
backwards.
On 12 Feb 2017, at 18:01, Andreas Falkenhahn wrote:
> I'm experiencing a strange issue with my app. Sometimes, maybe in 1 out of 10
>
color is being set by something else ... and then maybe work within that
> architecture.
FWIW, I usually implement the didAddRowView:forRow: delegate method and set
the color from there. That seems to work.
Cheers,
-- Uli Kusterer
“The Witnesses of TeachText are everywh
anism (I think you just name it
xxxTemplateImage.pdf) and then one of NSButton's highlighting styles will
recognize it’s a template image and fill and bezel it. This depends on what
style of button you’re using, too, though, so may be rather limiting.
Cheers,
-- Uli Kusterer
“The Wit
On 30 Nov 2014, at 18:30, Navneet Kumar wrote:
> I have a custom view in which I am setting the background using NSRectFill()
What is the current compositing mode set on the current graphics context? Have
you tried using NSRectFillUsingOperation() and passing NSCompositeCopy to make
sure you d
> On 05 Dec 2014, at 13:30, Uli Kusterer wrote:
>
> On 30 Nov 2014, at 18:30, Navneet Kumar wrote:
>> I have a custom view in which I am setting the background using NSRectFill()
>
> What is the current compositing mode set on the current graphics context?
&
review 5) and (2) in the
> NSVisualEffectView reference document. In one of those documents, there is
> some discussion of what you have to do to avoid unwanted color changes in
> text fields with NSVisualEffectView in back.
I think you override -(BOOL) allowsVibrancy to return NO t
On 15 Dec 2014, at 12:42, Jean-Daniel Dupas wrote:
> I found only 5 classes that does not responds to isProxy and they are all
> internal classes, so real code will never have to deal with instances of such
> classes.
Maxthon is iterating over the classes in the system. Even internal classes to
On 15 Dec 2014, at 19:19, Maxthon Chan wrote:
> My current design is that the main code is never possible of holding strong
> references to plugin code for extended periods. Main code keeps an eye on a
> folder and whenever a new bundle is dropped in it is loaded, and whenever a
> bundle is rem
On 15 Dec 2014, at 23:28, Jens Alfke wrote:
>> On Dec 15, 2014, at 2:10 PM, Kevin Bracey wrote:
>>
>> How can I tell if the Value is a Boolean or Number in the NSDictionary? as 0
>> and 1 are valid values for a number.
>
> There's no clean solution for this. You have to take advantage of the f
On 15 Dec 2014, at 13:42, Jean-Daniel Dupas wrote:
>> Apart from completely re-thinking his approach. E.g. NSImageRep, AFAIK,
>> simply has each image representation subclass add itself to an NSArray from
>> its +initialize method. I'd think that'd be less fragile than walking the
>> entire cla
ossibility of a changing size? I haven't yet been able to
> find any documentation on this at all, but that may only mean I used the
> wrong search keywords.
You can probably assume the *point* size will stay this way, but you still
need to provide 2x representations.
Cheers,
do a search-and-replace of sb_containsString: to
containsString:.
Cheers,
-- Uli Kusterer
“The Witnesses of TeachText are everywhere...”
http://zathras.de
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n the way).
But yeah, unless you set the min *and* max OS version to <= 10.9, you prolly
won’t get an error message when you use this selector.
Cheers,
-- Uli Kusterer
“The Witnesses of TeachText are everywhere...”
http://zathras.de
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solution scales on both screens are the same.
4) I have no idea whether Apple lets apps in the app store that read “their”
prefs keys.
5) If Apple ever change the algorithm or look used for vibrant list views, your
app will look out of place.
Hope that helps in some way.
Cheers,
-- Uli Kusterer
“
for that, and just not call the inherited method when it’s over a
subview.
Cheers,
-- Uli Kusterer
“The Witnesses of TeachText are everywhere...”
http://zathras.de
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So if you use a PList, you’re pretty much forced to have a key file.
If you need users to copy the key as a string, make the real key a struct and
choose smaller data types, so you get a shorter key.
Hope that helps.
Cheers,
-- Uli Kusterer
“The Witnesses of TeachText are ev
t
leaves gaps for your buttons, it might solve your problem. It works in the app
I just tried it in, but that does a lot of other cursor setting, so it’s not
impossible there’s some other code that’s required.
Please let the list know whether this work
the brouhaha with that big bug making OpenSSL insecure.
Cheers,
-- Uli Kusterer
“The Witnesses of TeachText are everywhere...”
http://zathras.de
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providing a binary-stable interface) are the reason why Apple
deprecated OpenSSL and introduced Security.framework. They wanted an encryption
API on their platform that would automatically get its security holes plugged
for all apps when the OS updates its copy, which apparently OpenSSL didn’t
al
On 12 Jan 2015, at 10:52, 2551 <2551p...@gmail.com> wrote:
> Given that my licences are being generated with OpenSSL in the FastSpring
> website,
Didn't FastSpring have an SDK that you just drop into your app to validate
their licenses?
> does that mean I HAVE TO use OpenSSL to validate them? I
On 15 Jan 2015, at 07:58, Quincey Morris
wrote:
> Putting those two ideas together leads to a better approach. Create the
> bezier path once, relative to an arbitrary bounding rect — say 1000 x 1000.
> (But any rect would do.) When you need to draw the path, set the CTM of the
> context to sca
On 15 Jan 2015, at 22:04, Steffen Andersen wrote:
> I am currently working on a MacOSX app, where the user will be able to send
> mails generated based on different user input. To help the user, when
> writing an email address, it would be great, if it was possible to search in
> the previous
On 16 Jan 2015, at 01:16, Jerry Krinock wrote:
> So, great, I thought, just override -currentDirectory in the
> NSDocumentController subclass for TextEdit, and I can make it go wherever I
> want to.
Have you thought about just setting the directoryURL of the NSOpenPanel?
> But, no. Although
ay completely — don’t
even think about signing again on the user’s machine, that defeats the whole
purpose of code signing).
But anyway, NSWorkspace has a method for adding custom icons to a file:
-setIcon:forFile:options: that would probably be the most convenient to use.
Cheers,
-- Uli
> On 26 Jan 2015, at 05:39, Trygve Inda wrote:
>
> I have created a borderless NSWindow. Is there a way to force it to appear
> under the menu bar so that the content of the window shows through the
> translucent menu bar?
>
> The OS seems to be resizing or repositioning my window to prevent it
Owner. Creating a new object instead of using an existing one of course means
that all ivars get new (likely default) values, which would be completely
consistent with the observed behaviour of “everything going to 0”.
Cheers,
-- Uli Kusterer
“The Witnesses of TeachText are everywhere...”
http
ps drawing between
pixels? Here’s an article (with pictures!) about this issue I wrote ages ago:
http://orangejuiceliberationfront.com/are-your-rectangles-blurry-pale-and-have-rounded-corners/
Does that help?
Cheers,
-- Uli Kusterer
“The Witnesses of T
On 12 Feb 2015, at 06:36, N!K wrote:
> Control-clicking the button in .xib does show the outlet panel but it does
> not list an IBAction, so it cannot connect to the IBAction entered into the
> MyView.h and .m files. Also, control-dragging from the button to MyView (in
> .xib, not in editor) se
On 25 Feb 2015, at 15:47, Arjan van Leeuwen wrote:
>> This method is useful in many situations. If your window has a toolbar, for
>> example, you can specify a location for the sheet that is just below it. If
>> you want the sheet associated with a certain control or view, you could
>> position th
On 02 Mar 2015, at 15:54, Ben wrote:
>> On 2 Mar 2015, at 14:10, Mike Abdullah wrote:
>>> On 2 Mar 2015, at 11:44, Ben wrote:
>>>
>>> Hi list,
>>>
>>> Since NSCell is apparently on the way out, I've been trying to build a new
>>> control I need using views. It's a cut-down spreadsheet-alike g
On 02 Mar 2015, at 17:43, Ken Thomases wrote:
> On Mar 2, 2015, at 9:45 AM, Uli Kusterer wrote:
>
>> Are you re-setting *all* the views or only hiding views that scroll out and
>> moving unused views to newly exposed areas? We've been doing stuff like that
>> in
On 02 Mar 2015, at 19:26, Ben wrote:
> - Granularity of selection. For example single or multiple disconnected
> cells. NSTableView only gives me row or column.
> - Scrollable floating headers on both axis. This I did sort-of manage with
> NSTableView by styling the first column to look like a h
not doing
it, it may be worth trying if somehow Apple isn’t expecting that.
Cheers,
-- Uli Kusterer
“The Witnesses of TeachText are everywhere...”
http://zathras.de
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aken to accept these risks.
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> Contact the moderators at cocoa-dev-admins(at)lists.apple.com
>
> He
On 03 Mar 2015, at 09:55, claudio santoro wrote:
> I'm developing an application for Yosemite OSX.
>
> How can I mute all the keyboard sounds like the ones retrieved when the
> user presses the right cursor key inside an empty text box?
I don't get a sound when I do that in any of my apps or a
ew. Make it layer-backed and set its layer’s contents to
your image (setting the anchor so the image is centered in the view). That way,
the GPU will take care of compositing the image, and won’t have to re-upload
the entire window contents whenever the user drags, saving laptop users battery.
On 11 Mar 2015, at 23:40, Matthieu Beghin
wrote:
> Any idea ?
You're not doing anything graphics or OpenGL-related, are you? At least in the
old days, Macs would turn off the GPU when no screen was attached, meaning that
you'd end up in software emulation when you did any openGL calls. I thoug
On 12 Mar 2015, at 01:09, Mutlu Qwerty wrote:
>self.nextResponder = super.nextResponder //insert self into the
> Responder chain
I think you mis-typed here. super nextResponder calls the superclass's
implementation of -nextResponder, but it still just calls nextResponder with
self be
> On 12 Mar 2015, at 16:17, Uli Kusterer wrote:
>
> On 12 Mar 2015, at 01:09, Mutlu Qwerty wrote:
>> self.nextResponder = super.nextResponder //insert self into the
>> Responder chain
>
> I think you mis-typed here. super nextResponder calls the superc
gt; seems ot be a spurious message, or is it really trying to tell me something
> important?
Haven’t had this happen without a reason yet. Maybe you’re accidentally
messaging views from a non-main thread or causing view layout in drawRect:?
Cheers,
-- Uli Kusterer
“The Witnesses of TeachText are
oo. What are you
doing that needs to happen at that time? Seems like an odd requirement, so
knowing what it’s for would be handy.
Cheers,
-- Uli Kusterer
“The Witnesses of TeachText are everywhere...”
http://zathras.de
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teps in one go. Then you could limit yourself to the minimal frequency,
including not simulating anything while your window is obscured or the like,
and would at busy times only have to run as often as the framerate of the
screen.
Cheers,
-- Uli Kusterer
“The Witnesses of TeachText are everywhe
> On 30 Mar 2015, at 11:09, Mike Abdullah wrote:
>
>
>> On 30 Mar 2015, at 08:19, Steve Mills wrote:
>>
>> OK, this is really weird. I just added an accessoryView to an NSOpenPanel.
>> The view contains only a checkbox style NSButton. When testing it, it seemed
>> like the clicks on this bu
> On 31 Mar 2015, at 14:39, Eyal Redler wrote:
> I'm working on a custom view. I'm using the following code to draw the view
>
> [[NSColor colorWithDeviceRed:(float)42/255
> green:(float)49/255
>
range between those two offsets.
Wildly guessing,
-- Uli Kusterer
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resource fork that can also take up
space on disk, and API may or may not include this in its reports.
Cheers,
-- Uli Kusterer
“The Witnesses of TeachText are everywhere...”
http://zathras.de
On 04 Apr 2015, at 11:23, Gerriet M. Denkmann wrote:
> When I look at " /Library/D
On 07 Apr 2015, at 21:49, Dave wrote:
> Given the iOS/Cocoa-Touch code:
>
> [self addTarget:self action:@selector(buttonTouchUpInsideAction:)
> forControlEvents:UIControlEventTouchUpInside];
> [self addTarget:self action:@selector(buttonTouchDownAction:)
> forControlEvents:UIControlEventTouchDo
On 08 Apr 2015, at 22:24, Juanjo Conti wrote:
> Hi! I'd like to use a WebView instance to handle a multi-tabs browser-like
> desktop app. Is it possible using only one WebView instance? Or should I
> need to use once per tab?
You'll want to use one per tab. You could put the web view as a *peer*
On 08 Apr 2015, at 21:43, wesley.dias wesley.dias
wrote:
> I'm having trouble to change the text in a UITextView element on a iPhone
> 5 OS 8.2(12D508). The same layout works in other versions( version < 8 ).
> I've tried to exclude and add the element again but it still doesn't work.
>
> Sugges
On 15 Apr 2015, at 16:04, Jonathan Taylor wrote:
> I've started encountering intermittent problems in one specific window in my
> application, where text input boxes become unresponsive, steppers remain
> highlighted after clicking, etc. I'm rather short of ideas on how to debug
> this, particu
neral, the “mute” switch is actually a “ringer” switch. That is, it’s
supposed to *only* suppress notification sounds and ring tones, not e.g. movie
audio. Could that perhaps be your issue? I think the APIs that let you set this
category of sound are called “audio session” or so?
Cheers,
-- Uli Ku
On 20 Apr 2015, at 09:05, Eric Matecki wrote:
>>>CGDataProviderRef provider = CGDataProviderCreateDirect( &mps,
>>> sizeof(mps), &callbacks );
>>>
>>>NSWindow* window = (NSWindow*)Window();
>>
>> What does this line do?
>
> It's just a global function which returns the (only) window.
contents
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