Hi,
I have some problems with the NSRulerView that I hope to solve by this
request.
The NSRulerView I am using is a horizontal ruler view in a NSScrollView.
In most examples seen in the developer documentation, the markers on
the ruler are located above the baseline. In my opinon, this does not
look very nice. Therefore I am triying to put the markes below the
baseline of the ruler view. I think this is not standard, and it gives
me a lot of troubles.
In other words, I would like to make a ruler view, that is like the
ruler seen in the apple program "Pages". Here the markers are located
on the ruler itself.
So far, I am able to put the markers below the baseline by offseting
them and hiding the area above the baseline. This makes it looks like
the ruler in "Pages".
The problems begin, when I want to move the markers.
First the handleMouseDown function is called. This works fine:
- (void)rulerView:(NSRulerView*)aRulerView handleMouseDown:
(NSEvent*)event
{
[ruler trackMarker:marker withMouseEvent:event];
}
Hereafter, I expect these functions to be called.
- (BOOL)rulerView:(NSRulerView *)aRulerView didMoveMarker:
(NSRulerMarker *)aMarker
{
return YES;
}
- (CGFloat)rulerView:(NSRulerView *)aRulerView willMoveMarker:
(NSRulerMarker *)aMarker toLocation:(CGFloat)location
{
return location;
}
- (BOOL)rulerView:(NSRulerView *)aRulerView shouldMoveMarker:
(NSRulerMarker *)aMarker
{
return YES;
}
BUT, this will only happens, if the mouse pointer is above the
baseline of the ruler.
If the mouse pointer is below the baseline, none of these delegates
are called.
Any ideas for solving this are most welcome.
Kind regard,
Anders Lassen
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