init: pristine aerc 0.20.0 source

app/dialog.go

@@ -0,0 +1,70 @@
+package app
+
+import (
+	"git.sr.ht/~rjarry/aerc/lib/ui"
+)
+
+type Dialog interface {
+	ui.DrawableInteractive
+	ContextWidth() (func(int) int, func(int) int)
+	ContextHeight() (func(int) int, func(int) int)
+}
+
+type dialog struct {
+	ui.DrawableInteractive
+	x func(int) int
+	y func(int) int
+	w func(int) int
+	h func(int) int
+}
+
+func (d *dialog) ContextWidth() (func(int) int, func(int) int) {
+	return d.x, d.w
+}
+
+func (d *dialog) ContextHeight() (func(int) int, func(int) int) {
+	return d.y, d.h
+}
+
+func NewDialog(
+	d ui.DrawableInteractive,
+	x func(int) int, y func(int) int,
+	w func(int) int, h func(int) int,
+) *dialog {
+	return &dialog{DrawableInteractive: d, x: x, y: y, w: w, h: h}
+}
+
+// DefaultDialog creates a dialog window spanning half of the screen
+func DefaultDialog(d ui.DrawableInteractive) Dialog {
+	position := SelectedAccountUiConfig().DialogPosition
+	width := SelectedAccountUiConfig().DialogWidth
+	height := SelectedAccountUiConfig().DialogHeight
+	return NewDialog(d,
+		// horizontal starting position in columns from the left
+		func(w int) int {
+			return (w * (100 - width)) / 200
+		},
+		// vertical starting position in lines from the top
+		func(h int) int {
+			switch position {
+			case "center":
+				return (h * (100 - height)) / 200
+			case "bottom":
+				return h - (h * height / 100)
+			default:
+				return 1
+			}
+		},
+		// dialog width from the starting column
+		func(w int) int {
+			return w * width / 100
+		},
+		// dialog height from the starting line
+		func(h int) int {
+			if position == "bottom" {
+				return h*height/100 - 1
+			}
+			return h * height / 100
+		},
+	)
+}