initial commit

column.go

@@ -0,0 +1,103 @@
+package gel
+
+import (
+	l "github.com/p9c/p9/pkg/gel/gio/layout"
+)
+
+type ColumnRow struct {
+	Label string
+	W     l.Widget
+}
+
+type Rows []ColumnRow
+
+type Column struct {
+	*Window
+	rows              []ColumnRow
+	font              string
+	scale             float32
+	color, background string
+	list              *List
+}
+
+func (w *Window) Column(rows Rows, font string, scale float32, color string,
+	background string) *Column {
+	return &Column{Window: w, rows: rows, font: font, scale: scale, color: color,
+		background: background, list: w.List()}
+}
+
+func (c *Column) Fn(gtx l.Context) l.Dimensions {
+	max, list := c.List(gtx)
+	out := c.Theme.SliceToWidget(list, l.Vertical)
+	gtx.Constraints.Max.X = max
+	return out(gtx)
+}
+
+func (c *Column) List(gtx l.Context) (max int, out []l.Widget) {
+	le := func(gtx l.Context, index int) l.Dimensions {
+		return c.H6(c.rows[index].Label).Font(c.font).TextScale(c.scale).Fn(gtx)
+	}
+	// render the widgets onto a second context to get their dimensions
+	gtx1 := CopyContextDimensionsWithMaxAxis(gtx, l.Vertical)
+	// generate the dimensions for all the list elements
+	dims := GetDimensionList(gtx1, len(c.rows), le)
+	D.S(dims)
+	for i := range dims {
+		if dims[i].Size.X > max {
+			max = dims[i].Size.X
+		}
+	}
+	for x := range c.rows {
+		i := x
+		_ = i
+		out = append(out, func(gtx l.Context) l.Dimensions {
+			return c.Flex(). // AlignEnd().SpaceStart().
+				Rigid(
+					c.Fill("red", l.Center, float32(c.TextSize), 0, EmptySpace(max-dims[i].Size.X, dims[i].Size.Y)).Fn,
+				).
+				Rigid(
+					c.Inset(0.5, func(gtx l.Context) l.Dimensions {
+						// D.Ln("max!", m)
+						// // gtx.Constraints.Max.X = max
+						// gtx.Constraints.Max.Y = dims[i].Size.Y
+						// gtx.Constraints.Min.Y = dims[i].Size.Y
+						// gtx.Constraints.Min.X = max
+						// gtx.Constraints.Constrain(image.Point{X: max, Y: dims[i].Size.Y})
+						// gtx.Constraints.Max.X = max
+						// gtx.Constraints.Min.Y = 0
+						// gtx.Constraints.Max.Y = dims[i].Size.Y
+						// gtx.Constraints.Constrain(dims[i].Size)
+						dms := c.Label().
+							Text(c.rows[i].Label).
+							Font(c.font).
+							TextScale(c.scale).
+							Color(c.color).
+							Fn(gtx)
+						return dms
+					}).Fn,
+				).
+				Rigid(
+					c.Inset(0.5,
+						c.rows[i].W,
+					).Fn,
+				).
+				Fn(gtx)
+			// return c.Theme.Fill("Primary",
+			// 	c.Theme.Flex().AlignEnd().SpaceBetween().
+			// 		Rigid(
+			// 		).Fn,
+			// ).
+			// Fn(gtx)
+		})
+	}
+	// le = func(gtx l.Context, index int) l.Dimensions {
+	// 	return out[index](gtx)
+	// }
+	return max, out
+	
+	// // render the widgets onto a second context to get their dimensions
+	// gtx1 = CopyContextDimensionsWithMaxAxis(gtx, gtx.Constraints.Max, l.Vertical)
+	// dim := GetDimension(gtx1, c.Theme.SliceToWidget(out, l.Vertical))
+	// max = dim.Size.X
+	// return
+}