Beispiel #1
0
func CreateProgressBar(theme *Theme) gxui.ProgressBar {
	b := &ProgressBar{}
	b.Init(b, theme)
	b.theme = theme
	b.chevronWidth = 10

	b.OnAttach(func() {
		driver := theme.Driver()
		b.ticker = time.NewTicker(time.Millisecond * 50)
		go func() {
			for _ = range b.ticker.C {
				if !driver.Call(b.animationTick) {
					return
				}
			}
		}()
	})

	b.OnDetach(func() {
		if b.chevrons != nil {
			b.chevrons = nil
			b.ticker.Stop()
			b.ticker = nil
		}
	})
	b.SetBackgroundBrush(gxui.CreateBrush(gxui.Gray10))
	b.SetBorderPen(gxui.CreatePen(1, gxui.Gray40))
	return b
}
Beispiel #2
0
func (defaultTreeControlCreator) Create(theme gxui.Theme, control gxui.Control, node *TreeToListNode) gxui.Control {
	ll := theme.CreateLinearLayout()
	ll.SetDirection(gxui.LeftToRight)

	btn := theme.CreateButton()
	btn.SetBackgroundBrush(gxui.TransparentBrush)
	btn.SetBorderPen(gxui.CreatePen(1, gxui.Gray30))
	btn.SetMargin(math.Spacing{L: 2, R: 2, T: 1, B: 1})
	btn.OnClick(func(ev gxui.MouseEvent) {
		if ev.Button == gxui.MouseButtonLeft {
			node.ToggleExpanded()
		}
	})

	update := func() {
		btn.SetVisible(!node.IsLeaf())
		if node.IsExpanded() {
			btn.SetText("-")
		} else {
			btn.SetText("+")
		}
	}
	update()

	gxui.WhileAttached(btn, node.OnChange, update)

	ll.AddChild(btn)
	ll.AddChild(control)
	ll.SetPadding(math.Spacing{L: 16 * node.Depth()})
	return ll
}
Beispiel #3
0
func drawMoon(canvas gxui.Canvas, center math.Point, radius float32) {
	c := 40
	p := make(gxui.Polygon, c*2)
	for i := 0; i < c; i++ {
		frac := float32(i) / float32(c)
		α := math.Lerpf(math.Pi*1.2, math.Pi*-0.2, frac)
		p[i] = gxui.PolygonVertex{
			Position: math.Point{
				X: center.X + int(radius*math.Sinf(α)),
				Y: center.Y + int(radius*math.Cosf(α)),
			},
			RoundedRadius: 0,
		}
	}
	for i := 0; i < c; i++ {
		frac := float32(i) / float32(c)
		α := math.Lerpf(math.Pi*-0.2, math.Pi*1.2, frac)
		r := math.Lerpf(radius, radius*0.5, math.Sinf(frac*math.Pi))
		p[i+c] = gxui.PolygonVertex{
			Position: math.Point{
				X: center.X + int(r*math.Sinf(α)),
				Y: center.Y + int(r*math.Cosf(α)),
			},
			RoundedRadius: 0,
		}
	}
	canvas.DrawPolygon(p, gxui.CreatePen(3, gxui.Gray80), gxui.CreateBrush(gxui.Gray40))
}
Beispiel #4
0
func (a *customAdapter) Create(theme gxui.Theme, index int) gxui.Control {
	phase := float32(index) / 1000
	c := gxui.Color{
		R: 0.5 + 0.5*math.Sinf(math.TwoPi*(phase+0.000)),
		G: 0.5 + 0.5*math.Sinf(math.TwoPi*(phase+0.333)),
		B: 0.5 + 0.5*math.Sinf(math.TwoPi*(phase+0.666)),
		A: 1.0,
	}
	i := theme.CreateImage()
	i.SetBackgroundBrush(gxui.CreateBrush(c))
	i.SetMargin(math.Spacing{L: 3, T: 3, R: 3, B: 3})
	i.OnMouseEnter(func(ev gxui.MouseEvent) {
		i.SetBorderPen(gxui.CreatePen(2, gxui.Gray80))
	})
	i.OnMouseExit(func(ev gxui.MouseEvent) {
		i.SetBorderPen(gxui.TransparentPen)
	})
	i.OnMouseDown(func(ev gxui.MouseEvent) {
		i.SetBackgroundBrush(gxui.CreateBrush(c.MulRGB(0.7)))
	})
	i.OnMouseUp(func(ev gxui.MouseEvent) {
		i.SetBackgroundBrush(gxui.CreateBrush(c))
	})
	return i
}
Beispiel #5
0
func CreateStyle(fontColor, brushColor, penColor gxui.Color, penWidth float32) Style {
	return Style{
		FontColor: fontColor,
		Pen:       gxui.CreatePen(penWidth, penColor),
		Brush:     gxui.CreateBrush(brushColor),
	}
}
Beispiel #6
0
func (l *CodeEditorLine) PaintBorders(c gxui.Canvas, info CodeEditorLinePaintInfo) {
	start, _ := info.LineSpan.Span()
	offsets := info.GlyphOffsets
	for _, layer := range l.ce.layers {
		if layer != nil && layer.BorderColor() != nil {
			color := *layer.BorderColor()
			interval.Visit(layer.Spans(), info.LineSpan, func(vs, ve uint64, _ int) {
				s, e := vs-start, ve-start
				r := math.CreateRect(offsets[s].X, 0, offsets[e-1].X+info.GlyphWidth, info.LineHeight)
				c.DrawRoundedRect(r, 3, 3, 3, 3, gxui.CreatePen(0.5, color), gxui.TransparentBrush)
			})
		}
	}
}
Beispiel #7
0
func drawStar(canvas gxui.Canvas, center math.Point, radius, rotation float32, points int) {
	p := make(gxui.Polygon, points*2)
	for i := 0; i < points*2; i++ {
		frac := float32(i) / float32(points*2)
		α := frac*math.TwoPi + rotation
		r := []float32{radius, radius / 2}[i&1]
		p[i] = gxui.PolygonVertex{
			Position: math.Point{
				X: center.X + int(r*math.Cosf(α)),
				Y: center.Y + int(r*math.Sinf(α)),
			},
			RoundedRadius: []float32{0, 50}[i&1],
		}
	}
	canvas.DrawPolygon(p, gxui.CreatePen(3, gxui.Red), gxui.CreateBrush(gxui.Yellow))
}
Beispiel #8
0
func (treeControlCreator) Create(theme gxui.Theme, control gxui.Control, node *mixins.TreeToListNode) gxui.Control {
	img := theme.CreateImage()
	imgSize := math.Size{W: 10, H: 10}

	ll := theme.CreateLinearLayout()
	ll.SetDirection(gxui.LeftToRight)

	btn := theme.CreateButton()
	btn.SetBackgroundBrush(gxui.TransparentBrush)
	btn.SetBorderPen(gxui.CreatePen(1, gxui.Gray30))
	btn.SetMargin(math.Spacing{L: 1, R: 1, T: 1, B: 1})
	btn.OnClick(func(ev gxui.MouseEvent) {
		if ev.Button == gxui.MouseButtonLeft {
			node.ToggleExpanded()
		}
	})
	btn.AddChild(img)

	update := func() {
		expanded := node.IsExpanded()
		canvas := theme.Driver().CreateCanvas(imgSize)
		btn.SetVisible(!node.IsLeaf())
		switch {
		case !btn.IsMouseDown(gxui.MouseButtonLeft) && expanded:
			canvas.DrawPolygon(expandedPoly, gxui.TransparentPen, gxui.CreateBrush(gxui.Gray70))
		case !btn.IsMouseDown(gxui.MouseButtonLeft) && !expanded:
			canvas.DrawPolygon(collapsedPoly, gxui.TransparentPen, gxui.CreateBrush(gxui.Gray70))
		case expanded:
			canvas.DrawPolygon(expandedPoly, gxui.TransparentPen, gxui.CreateBrush(gxui.Gray30))
		case !expanded:
			canvas.DrawPolygon(collapsedPoly, gxui.TransparentPen, gxui.CreateBrush(gxui.Gray30))
		}
		canvas.Complete()
		img.SetCanvas(canvas)
	}
	btn.OnMouseDown(func(gxui.MouseEvent) { update() })
	btn.OnMouseUp(func(gxui.MouseEvent) { update() })
	update()

	gxui.WhileAttached(btn, node.OnChange, update)

	ll.AddChild(btn)
	ll.AddChild(control)
	ll.SetPadding(math.Spacing{L: 16 * node.Depth()})
	return ll
}
Beispiel #9
0
func (t *Tree) PaintUnexpandedSelection(c gxui.Canvas, r math.Rect) {
	c.DrawRoundedRect(r, 2.0, 2.0, 2.0, 2.0, gxui.CreatePen(1, gxui.Gray50), gxui.TransparentBrush)
}
Beispiel #10
0
func (t *DefaultTextBoxLine) PaintCaret(c gxui.Canvas, top, bottom math.Point) {
	r := math.Rect{Min: top, Max: bottom}.ExpandI(t.caretWidth / 2)
	c.DrawRoundedRect(r, 1, 1, 1, 1, gxui.CreatePen(0.5, gxui.Gray70), gxui.WhiteBrush)
}