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More OS X scrollbar work.

This commit is contained in:
Pietro Gagliardi 2015-09-10 11:21:08 -04:00
parent 4cc63399fa
commit 568e9f65e8
1 changed files with 58 additions and 18 deletions
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76
macarea/alt/scrollertest.swift
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@ -24,8 +24,7 @@ class program : NSObject, NSTextFieldDelegate {
private var scrollbar: NSScroller
private var proportion: NSTextField
private var doubleValue: NSTextField
private var info: NSTextField
init(_ contentView: NSView) {
var views: [String: NSView]
@ -33,21 +32,17 @@ class program : NSObject, NSTextFieldDelegate {
var nhlabel = newLabel("H Max")
nhlabel.setContentHuggingPriority(1000, forOrientation: NSLayoutConstraintOrientation.Horizontal)
self.nhspinb = newTextField()
self.proportion = newLabel("")
var container1 = newContainerView()
container1.addSubview(nhlabel)
container1.addSubview(self.nhspinb)
container1.addSubview(self.proportion)
views = [
"nhlabel": nhlabel,
"nhspinb": self.nhspinb,
"proportion": self.proportion,
]
addConstraint(container1, "H:|[nhlabel]-[nhspinb]-[proportion]|", views)
addConstraint(container1, "H:|[nhlabel]-[nhspinb]|", views)
addConstraint(container1, "V:|[nhlabel]|", views)
addConstraint(container1, "V:|[nhspinb]|", views)
addConstraint(container1, "V:|[proportion]|", views)
var ss = NSScroller.preferredScrollerStyle()
var ccs = NSScroller.scrollerWidthForControlSize(
@ -61,20 +56,20 @@ class program : NSObject, NSTextFieldDelegate {
//TODO self.scrollbar.arrowsPosition = NSScrollArrowPosition.ScrollerArrowsDefaultSetting
self.scrollbar.translatesAutoresizingMaskIntoConstraints = false
self.doubleValue = newLabel("")
self.info = newLabel("")
contentView.addSubview(container1)
contentView.addSubview(self.scrollbar)
contentView.addSubview(self.doubleValue)
contentView.addSubview(self.info)
views = [
"container1": container1,
"scrollbar": scrollbar,
"doubleValue": doubleValue,
"container1": container1,
"scrollbar": self.scrollbar,
"info": self.info,
]
addConstraint(contentView, "V:|-[container1]-[scrollbar]-[doubleValue]-|", views)
addConstraint(contentView, "V:|-[container1]-[scrollbar]-[info]-|", views)
addConstraint(contentView, "H:|-[container1]-|", views)
addConstraint(contentView, "H:|-[scrollbar]-|", views)
addConstraint(contentView, "H:|-[doubleValue]-|", views)
addConstraint(contentView, "H:|-[info]-|", views)
self.nhformatter = newNumberFormatter(0, 100000)
@ -119,14 +114,60 @@ class program : NSObject, NSTextFieldDelegate {
self.updateLabels()
}
func lineincr() -> CGFloat {
var swidth = self.scrollbar.frame.width
var max = CGFloat(self.nhspinb.integerValue) - swidth
if max <= 0 {
return 0
}
return 1.0 / max
}
func pageincr() -> CGFloat {
return self.lineincr() * self.scrollbar.frame.width
}
@IBAction func onScroll(sender: AnyObject) {
println("got \(self.scrollbar.hitPart)")
switch self.scrollbar.hitPart {
case NSScrollerPart.NoPart:
// do nothing
break
case NSScrollerPart.DecrementPage:
self.scrollbar.doubleValue -= Double(self.pageincr())
case NSScrollerPart.Knob:
// do nothing
break
case NSScrollerPart.IncrementPage:
self.scrollbar.doubleValue += Double(self.pageincr())
case NSScrollerPart.DecrementLine:
self.scrollbar.doubleValue -= Double(self.lineincr())
case NSScrollerPart.IncrementLine:
self.scrollbar.doubleValue += Double(self.lineincr())
case NSScrollerPart.KnobSlot:
// do nothing
break
}
self.updateLabels()
}
func updateLabels() {
self.proportion.stringValue = "Proportion: \(self.scrollbar.knobProportion)"
self.doubleValue.stringValue = "Double Value: \(self.scrollbar.doubleValue)"
var swidth = self.scrollbar.frame.width
var max = CGFloat(self.nhspinb.integerValue) - swidth
if max < 0 {
max = 0
}
var infostr = "Width: \(swidth)"
infostr += "\nProportion: \(self.scrollbar.knobProportion)"
infostr += "\nDouble Value: \(self.scrollbar.doubleValue)"
var scaledValue = Int(self.scrollbar.doubleValue * Double(max))
infostr += "\nScaled: \(scaledValue)"
var lineincr: CGFloat = 0
if max != 0 {
lineincr = 1.0 / max
}
infostr += "\nLine Increment: \(lineincr)"
infostr += "\nPage Increment: \(lineincr * swidth)"
self.info.stringValue = infostr
}
}
@ -173,7 +214,6 @@ func newTextField() -> NSTextField {
cell.lineBreakMode = NSLineBreakMode.ByClipping
cell.scrollable = true
tf.translatesAutoresizingMaskIntoConstraints = false
tf.setContentHuggingPriority(1000, forOrientation: NSLayoutConstraintOrientation.Horizontal)
tf.setContentCompressionResistancePriority(1000, forOrientation: NSLayoutConstraintOrientation.Vertical)
return tf
}