Add Display as a concept to separate setup from rendering a bit more

wtf/display.go

@@ -0,0 +1,56 @@
+package wtf
+
+import (
+	"github.com/rivo/tview"
+)
+
+type Display struct {
+	Grid *tview.Grid
+}
+
+func NewDisplay(widgets []Wtfable) *Display {
+	display := Display{
+		Grid: tview.NewGrid(),
+	}
+
+	display.build(widgets)
+	display.Grid.SetBackgroundColor(
+		ColorFor(
+			Config.UString("wtf.colors.background", "black"),
+		),
+	)
+
+	return &display
+}
+
+/* -------------------- Unexported Functions -------------------- */
+
+func (display *Display) add(widget Wtfable) {
+	if widget.Disabled() {
+		return
+	}
+
+	display.Grid.AddItem(
+		widget.TextView(),
+		widget.Top(),
+		widget.Left(),
+		widget.Height(),
+		widget.Width(),
+		0,
+		0,
+		false,
+	)
+}
+
+func (display *Display) build(widgets []Wtfable) *tview.Grid {
+	display.Grid.SetColumns(ToInts(Config.UList("wtf.grid.columns"))...)
+	display.Grid.SetRows(ToInts(Config.UList("wtf.grid.rows"))...)
+	display.Grid.SetBorder(false)
+
+	for _, widget := range widgets {
+		display.add(widget)
+		go Schedule(widget)
+	}
+
+	return display.Grid
+}