tree generation flushed out

custom_widgets.go

@@ -0,0 +1,87 @@
+package main
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/widget"
+)
+
+// TextOverlayProgressBar is a custom widget that displays a progress bar with text overlay.
+type TextOverlayProgressBar struct {
+	widget.BaseWidget
+	progressBar *widget.ProgressBar
+	label       *widget.Label
+}
+
+// NewTextOverlayProgressBar creates a new TextOverlayProgressBar.
+func NewTextOverlayProgressBar() *TextOverlayProgressBar {
+	p := &TextOverlayProgressBar{
+		progressBar: widget.NewProgressBar(),
+		label:       widget.NewLabel(""),
+	}
+	p.ExtendBaseWidget(p)
+	return p
+}
+
+// SetValue sets the progress value.
+func (p *TextOverlayProgressBar) SetValue(v float64) {
+	p.progressBar.SetValue(v)
+}
+
+// SetText sets the text to be displayed on the progress bar.
+func (p *TextOverlayProgressBar) SetText(text string) {
+	p.label.SetText(text)
+}
+
+// CreateRenderer returns a new renderer for the widget.
+func (p *TextOverlayProgressBar) CreateRenderer() fyne.WidgetRenderer {
+	return &textOverlayProgressBarRenderer{
+		progressBar: p.progressBar,
+		label:       p.label,
+		objects:     []fyne.CanvasObject{p.progressBar, p.label},
+	}
+}
+
+type textOverlayProgressBarRenderer struct {
+	progressBar *widget.ProgressBar
+	label       *widget.Label
+	objects     []fyne.CanvasObject
+}
+
+func (r *textOverlayProgressBarRenderer) Layout(size fyne.Size) {
+	r.progressBar.Resize(size)
+	r.label.Resize(size)
+	r.label.Move(fyne.NewPos(0, 0))
+}
+
+func (r *textOverlayProgressBarRenderer) MinSize() fyne.Size {
+	return r.progressBar.MinSize()
+}
+
+func (r *textOverlayProgressBarRenderer) Refresh() {
+	r.progressBar.Refresh()
+	r.label.Refresh()
+}
+
+func (r *textOverlayProgressBarRenderer) Objects() []fyne.CanvasObject {
+	return r.objects
+}
+
+func (r *textOverlayProgressBarRenderer) Destroy() {}
+
+// CustomTheme is a custom theme to make the progress bar thinner.
+type CustomTheme struct {
+	fyne.Theme
+}
+
+// NewCustomTheme creates a new CustomTheme.
+func NewCustomTheme(theme fyne.Theme) *CustomTheme {
+	return &CustomTheme{Theme: theme}
+}
+
+// Size returns the size for a given themeable item.
+func (t *CustomTheme) Size(name fyne.ThemeSizeName) float32 {
+	if name == "progressBar.height" {
+		return 10
+	}
+	return t.Theme.Size(name)
+}