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Re: Mouse tracking rects
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Re: Mouse tracking rects


  • Subject: Re: Mouse tracking rects
  • From: Marcel Narings <email@hidden>
  • Date: Thu, 10 Mar 2005 21:12:26 +0100

Thanks,

This works great

Marcel

On Mar 9, 2005, at 04:29, Ricky Sharp wrote:


On Mar 8, 2005, at 6:19 PM, Nick Zitzmann wrote:


On Mar 8, 2005, at 4:57 PM, Marcel Narings wrote:

This works perfectly. However when my app starts with the mouse over the view; I first have to move the mouse out of the view and then back over.
How do I get mouseMoved events when my app starts up with the mouse over the view? Where do I place the [ [self window] setAcceptsMouseMovedEvents:YES] ?

I solved this problem once by overriding -viewDidMoveToWindow, calling the method to set up the tracking rects in the override, and in the method that sets up the tracking rects I made it check the current mouse position and call -mouseEntered: manually if the pointer is already inside the rect. This works for me...

It may be better to obtain a correct value for the assumeInside parameter:


- (void)viewDidMoveToWindow
{
    NSWindow* theWindow = [self window];

if (theWindow != nil)
{
NSPoint theMouseLocation = [theWindow mouseLocationOutsideOfEventStream];
NSRect theBounds = [self bounds];
BOOL theAssumeInsideFlag = NSMouseInRect (
[self convertPoint:theMouseLocation fromView:nil], theBounds, YES);


        ... your call to addTrackingRect here ...

        if (theAssumeInsideFlag)
            {
            [theWindow setAcceptsMouseMovedEvents:YES];
            }
        }
}

___________________________________________________________
Ricky A. Sharp         mailto:email@hidden
Instant Interactive(tm)   http://www.instantinteractive.com


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References: 
 >Mouse tracking rects (From: Marcel Narings <email@hidden>)
 >Re: Mouse tracking rects (From: Nick Zitzmann <email@hidden>)
 >Re: Mouse tracking rects (From: Ricky Sharp <email@hidden>)

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