107 lines
2.5 KiB
Go
107 lines
2.5 KiB
Go
package widgets
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import (
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"fyne.io/fyne/v2"
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"fyne.io/fyne/v2/container"
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"fyne.io/fyne/v2/theme"
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"fyne.io/fyne/v2/widget"
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)
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// OptionHyperlink is a widget that displays a "vertical dots"/"more" button
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// to the right of the text, which can show a menu.
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type OptionHyperlink struct {
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widget.BaseWidget
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h *widget.Hyperlink
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b *IconButton
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OnShowMenu func(btnPos fyne.Position)
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layout optionHyperlinkLayout
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}
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func NewOptionHyperlink() *OptionHyperlink {
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o := &OptionHyperlink{
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h: widget.NewHyperlink("", nil),
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}
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o.h.Truncation = fyne.TextTruncateEllipsis
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o.b = NewIconButton(theme.MoreVerticalIcon(), func() {
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if o.OnShowMenu != nil {
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o.OnShowMenu(fyne.CurrentApp().Driver().AbsolutePositionForObject(o.b))
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}
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})
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o.b.IconSize = IconButtonSizeSmaller
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o.ExtendBaseWidget(o)
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return o
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}
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func (o *OptionHyperlink) SetText(text string) {
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o.h.SetText(text)
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o.updatePreferredWidth()
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o.BaseWidget.Refresh()
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}
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func (o *OptionHyperlink) Text() string {
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return o.h.Text
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}
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func (o *OptionHyperlink) SetTextStyle(style fyne.TextStyle) {
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o.h.TextStyle = style
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o.updatePreferredWidth()
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o.BaseWidget.Refresh()
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}
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func (o *OptionHyperlink) SetOnTapped(f func()) {
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o.h.OnTapped = f
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}
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func (o *OptionHyperlink) SetMenuBtnEnabled(enabled bool) {
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o.b.Hidden = !enabled
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}
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func (o *OptionHyperlink) updatePreferredWidth() {
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var h widget.Hyperlink
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h.Text = o.Text()
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h.TextStyle = o.h.TextStyle
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o.layout.preferredWidth = h.MinSize().Width + theme.Padding()
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}
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func (o *OptionHyperlink) CreateRenderer() fyne.WidgetRenderer {
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return widget.NewSimpleRenderer(
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container.New(&o.layout, o.h, o.b),
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)
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}
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var _ fyne.Layout = (*optionHyperlinkLayout)(nil)
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type optionHyperlinkLayout struct {
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preferredWidth float32
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}
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func (o *optionHyperlinkLayout) MinSize(objects []fyne.CanvasObject) fyne.Size {
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var minSize fyne.Size
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for _, obj := range objects {
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if !obj.Visible() {
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continue
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}
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ms := obj.MinSize()
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minSize.Height = fyne.Max(ms.Height, minSize.Height)
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minSize.Width += ms.Width
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}
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return minSize
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}
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// only supports the two objects
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func (o *optionHyperlinkLayout) Layout(objects []fyne.CanvasObject, size fyne.Size) {
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if !objects[1].Visible() {
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objects[0].Move(fyne.NewPos(0, 0))
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objects[0].Resize(size)
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return
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}
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btnWidth := objects[1].MinSize().Width
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hypWidth := fyne.Min(o.preferredWidth, size.Width-btnWidth)
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objects[0].Resize(fyne.NewSize(hypWidth, size.Height))
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objects[0].Move(fyne.NewPos(0, 0))
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objects[1].Resize(fyne.NewSize(btnWidth, size.Height))
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objects[1].Move(fyne.NewPos(hypWidth-theme.Padding()*2, 0))
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}
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