Have you tried creating 4 NSSliders next to each other, using an NSSliderCell subclass that overrides - (void)drawBarInside:(NSRect)aRect flipped:(BOOL)flipped; to draw nothing? You can set the custom class of a cell in the XIB, so you won't even have to touch NSSlider.
Cheers, -- Uli Kusterer http://stacksmith.org On 15.02.2013, at 21:30, Steve Mills <smi...@makemusic.com> wrote: > On Feb 15, 2013, at 13:35:38, Steve Mills <smi...@makemusic.com> wrote: > >> What's the easiest way to create a custom control that contains a matrix of >> 4 custom vertical sliders, like a mini graphic EQ? The sliders will not draw >> the slot, only the knob. First I started with a subclass of NSMatrix and a >> subclass of NSCell. No matter what I've tried, the cells always end up >> drawing at the wrong size, as if they were the cell for a simple text >> matrix, about 100 pixels wide and the height of a regular size text label. I >> create it thusly: >> >> MyMatrix* blView = [[MyMatrix alloc] >> initWithFrame:NSMakeRect(100, 100, 200, 80) mode:NSTrackModeMatrix >> cellClass:[MyCell class] numberOfRows:1 numberOfColumns:4]; >> >> I've tried overriding all sorts of methods in the 2 subclasses; cellSize, >> cellFrameAtRow:column, even returning a cellSize of 10000,10000 as suggested >> in the docs for cells that aren't text or image cells. > > > Addendum: > > If any of the sliders is dragged past the top of bottom of the containing > control, the containing control's bounds will be expanded live in that > direction, thereby keeping the mouse within the containing control. I'm > starting to think that doing with this a matrix of cells won't be the best > way to do this, but rather just create a custom control and tracks the 4 > "sliders" internally. Thoughts? > > -- > Steve Mills > office: 952-818-3871 > home: 952-401-6255 > cell: 612-803-6157 > > > > > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/cocoa-dev/witness.of.teachtext%40gmx.net > > This email sent to witness.of.teacht...@gmx.net _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com