Re: ToolTip like info item

FROM : Ryan Stevens
DATE : Sun Nov 03 17:26:30 2002

On Saturday, November 2, 2002, at 05:24  PM, Bertrand Mansion wrote:

> Hi again :)
>
> In the rulers example found in AppKit examples, I have noticed that
> NSRulerView displays some kind of tooltip to show units when the
> markers are
> moved.
>
> I would like to have the same kind of items in my view (just a standard
> NSView though). I thought about using tooltips but they don't fit my
> needs
> because of their delay. Indeed, I need this item to be here all the
> time and
> to be dynamically updated, showing the cursor x, y position.
>
> This is a bit like in the Grab app but with a tooltip look and feel
> (shadow
> included). Is such an item available in cocoa or will I have to
> implement
> something approaching ?
>
> If so, what do you think would be the best way to go ?
>
> Thank you for any hints,

I'd make an NSWindow category similar to this....

@implementation NSWindow(TooltipLike)
+ (NSWindow *)tooltipLikeWindowWithContentRect:(NSRect)someRect
{
NSWindow *yourWindow = [[NSWindow alloc] initWithContentRect:someRect
styleMask:NSBorderlessWindowMask backing:NSBackingStoreRetained
defer:YES];

   // This seems "proper", may want a diff. level though..
      [yourWindow setLevel:NSStatusWindowLevel];

   // Mouse events aren't needed, most likely...
      [yourWindow setIgnoresMouseEvents:YES];

      // Tooltips are more of a toned-down peachy-yellow I think.
      // This will be bright, I just know it. ;-)
      [yourWindow setBackgroundColor: [NSColor yellowColor] ];

      // ?
      [yourWindow setAlphaValue:0.8];

return [yourWindow autorelease];
}
@end


NSWindow *test = [NSWindow
tooltipLikeWindowWithContentRect:NSMakeRect(0,0,60,20)];
   [test retain];

// myView = NSTexField with the line border for the tooltip-ish look..?

   [test setContentView: myView];
   [myView setStringValue:@"good?"];
   [test orderFront:nil];

Anyway, good luck and I hope that helps! :-)
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