public ScrollView(Vector3 position, Vector2 size, ScrollViewOptions opts)
: base(position, size, opts.Sprite, opts)
{
_clip = new Rect(
opts.Border.x,
opts.Border.y + opts.HScrollBarHeight,
size.x - opts.Border.x - opts.Border.z - opts.VScrollBarWidth,
size.y - opts.Border.y - opts.Border.w - opts.HScrollBarHeight
);
_extents = _clip;
_opts = opts;
var clip = this.Clip;
// vertical scroll bar
if (opts.VScrollBarWidth > 0f)
{
_vScroll = new Image(
new Rect(clip.xMax, clip.yMin, opts.VScrollBarWidth, clip.height),
position.z - 0.1f,
opts.VScrollBarSprite,
new VisualOptions {
Name = "vscroll",
Parent = this,
PixelAlign = true
});
var knobSize = opts.VKnobSize;
if (knobSize.x <= 0f)
{
knobSize.x = opts.VScrollBarWidth;
}
if (knobSize.y <= 0f)
{
_vAutoSize = true;
knobSize.y = clip.height;
}
var x = (clip.xMax + opts.VScrollBarWidth / 2f) - knobSize.x / 2f;
_vKnob = new Button(
new Rect(x, clip.yMin, knobSize.x, knobSize.y),
position.z - 0.9f,
new ButtonOptions {
NormalSprite = opts.VKnobSprite,
OverSprite = opts.VKnobOverSprite,
PressedSprite = opts.VKnobPressedSprite,
Name = "vscrollknob",
Parent = this,
PixelAlign = !_vAutoSize
});
}
// horizontal scroll bar
if (opts.HScrollBarHeight > 0f)
{
_hScroll = new Image(
new Rect(clip.xMin, clip.yMin - opts.HScrollBarHeight, clip.width, opts.HScrollBarHeight),
position.z - 0.1f,
opts.HScrollBarSprite,
new VisualOptions {
Name = "hscroll",
Parent = this,
PixelAlign = false
});
var knobSize = opts.VKnobSize;
if (knobSize.y <= 0f)
{
knobSize.y = opts.HScrollBarHeight;
}
if (knobSize.x <= 0f)
{
_hAutoSize = true;
knobSize.x = clip.width;
}
var y = (clip.yMin - opts.HScrollBarHeight / 2f) - knobSize.y / 2f;
_hKnob = new Button(
new Rect(clip.xMin, y, knobSize.x, knobSize.y),
position.z - 0.9f,
new ButtonOptions {
NormalSprite = opts.HKnobSprite,
OverSprite = opts.HKnobOverSprite,
PressedSprite = opts.HKnobPressedSprite,
Name = "hscrollknob",
Parent = this,
PixelAlign = !_hAutoSize
});
}
}
public ScrollView(Rect bounds, float depth, ScrollViewOptions opts) :
this(new Vector3(bounds.x, bounds.y, depth), new Vector2(bounds.width, bounds.height), opts)
{
}