On 21 Oct 2008, at 10:48 am, DKJ wrote:
On 20 Oct, 2008, at 16:32, Graham Cox wrote:
What would you expect it to do?
Suppose I wanted it to draw lines in response to user input. Would I
put NSBezierPath methods in drawRect: and expose the relevant
properties in the subclass?
To draw
On 20 Oct, 2008, at 16:32, Graham Cox wrote:
What would you expect it to do?
Suppose I wanted it to draw lines in response to user input. Would I
put NSBezierPath methods in drawRect: and expose the relevant
properties in the subclass?
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On 21 Oct 2008, at 10:26 am, DKJ wrote:
Is this a good way of going about it? I subclassed NSView and
defined the properties border_colour, fill_colour, and pic. These
are initialised to nil. I then implemented drawRect: like this:
- (void)drawRect:(NSRect)rect {
if( bord
On 20 Oct, 2008, at 09:15, Nick Zitzmann wrote:
you do all your drawing in -drawRect:, and call -setNeedsDisplay: &
friends when you need to refresh part of the view.
Is this a good way of going about it? I subclassed NSView and defined
the properties border_colour, fill_colour, and pic. The
On 21 Oct 2008, at 2:21 am, DKJ wrote:
When I do this in the controller's awakeFromNib method:
[theView lockFocus];
Then don't do it!
stuff like -lockFocus comes into the category of "advanced
techniques". 99% of Cocoa programmers will never need it. Move along
now, nothing to
On Oct 20, 2008, at 10:09 AM, DKJ wrote:
I'm just practising with views and animations.
Generally, you don't call -lockFocus on a view unless you have a very
good reason. As you've already found out, -lockFocus will raise
exceptions if things aren't set exactly right. Instead, you do all
On 20 Oct, 2008, at 08:59, Nick Zitzmann wrote:
Out of curiosity, why are you locking focus on a view in -
awakeFromNib?
I'm just practising with views and animations.
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On Oct 20, 2008, at 9:21 AM, DKJ wrote:
I have a custom view in a window, set as an instance of MyView, and
connected to my controller as an IBOutlet theView. When I do this in
the controller's awakeFromNib method:
[theView lockFocus];
Out of curiosity, why are you locking focus
I have a custom view in a window, set as an instance of MyView, and
connected to my controller as an IBOutlet theView. When I do this in
the controller's awakeFromNib method:
[theView lockFocus];
I get this error:
*** Assertion failure in -[MyView lockFocus], /SourceCache/AppKit/
A
