60 lines
978 B
Go
60 lines
978 B
Go
package ui
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import (
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"fmt"
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"git.kirsle.net/apps/doodle/render"
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)
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// Label is a simple text label widget.
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type Label struct {
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BaseWidget
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width int32
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height int32
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Text render.Text
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}
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// NewLabel creates a new label.
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func NewLabel(t render.Text) *Label {
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w := &Label{
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Text: t,
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}
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w.Configure(Config{
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Padding: 4,
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})
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w.IDFunc(func() string {
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return fmt.Sprintf("Label<%s>", w.Text.Text)
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})
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return w
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}
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// Compute the size of the label widget.
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func (w *Label) Compute(e render.Engine) {
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rect, _ := e.ComputeTextRect(w.Text)
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if !w.FixedSize() {
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w.resizeAuto(render.Rect{
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W: rect.W + w.Padding(),
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H: rect.H + w.Padding(),
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})
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}
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w.MoveTo(render.Point{
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X: rect.X + w.BoxThickness(1),
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Y: rect.Y + w.BoxThickness(1),
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})
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}
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// Present the label widget.
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func (w *Label) Present(e render.Engine) {
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var (
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P = w.Point()
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border = w.BoxThickness(1)
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)
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w.DrawBox(e)
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e.DrawText(w.Text, render.Point{
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X: P.X + border,
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Y: P.Y + border,
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})
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}
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