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