121 lines
2.5 KiB
Go
121 lines
2.5 KiB
Go
package widgets
|
|
|
|
import (
|
|
"time"
|
|
|
|
"fyne.io/fyne/v2"
|
|
"fyne.io/fyne/v2/container"
|
|
"fyne.io/fyne/v2/lang"
|
|
"fyne.io/fyne/v2/theme"
|
|
"fyne.io/fyne/v2/widget"
|
|
"github.com/dweymouth/supersonic/ui/util"
|
|
)
|
|
|
|
// SearchEntry is a search entry widget that will issue a search command
|
|
// (aka call OnSearched) when a short span of time has elapsed since
|
|
// the user typed into the widget.
|
|
type SearchEntry struct {
|
|
widget.Entry
|
|
|
|
OnSearched func(string)
|
|
}
|
|
|
|
func NewSearchEntry() *SearchEntry {
|
|
sf := &SearchEntry{}
|
|
sf.ExtendBaseWidget(sf)
|
|
sf.Init()
|
|
return sf
|
|
}
|
|
|
|
// For use only by extending widgets
|
|
func (sf *SearchEntry) Init() {
|
|
sf.PlaceHolder = lang.L("Search")
|
|
sf.ActionItem = NewClearTextButton(func() {
|
|
sf.SetText("")
|
|
})
|
|
debounceFunc := util.NewDebouncer(200*time.Millisecond, func() {
|
|
sf.sendSearch(sf.Entry.Text)
|
|
})
|
|
sf.Entry.OnChanged = func(_ string) {
|
|
if sf.updateActionButton() {
|
|
sf.ActionItem.Refresh()
|
|
}
|
|
debounceFunc()
|
|
}
|
|
}
|
|
|
|
func (s *SearchEntry) TypedKey(e *fyne.KeyEvent) {
|
|
if e.Name == fyne.KeyEscape {
|
|
s.SetText("")
|
|
fyne.CurrentApp().Driver().CanvasForObject(s).Unfocus()
|
|
return
|
|
}
|
|
s.Entry.TypedKey(e)
|
|
}
|
|
|
|
func (s *SearchEntry) Refresh() {
|
|
s.updateActionButton()
|
|
s.Entry.Refresh()
|
|
}
|
|
|
|
func (s *SearchEntry) MinSize() fyne.Size {
|
|
return fyne.NewSize(200, s.Entry.MinSize().Height)
|
|
}
|
|
|
|
func (s *SearchEntry) updateActionButton() bool {
|
|
btn := s.ActionItem.(*searchActionButton)
|
|
oldResouce := btn.Resource
|
|
if s.Text == "" {
|
|
btn.Resource = theme.SearchIcon()
|
|
} else {
|
|
btn.Resource = theme.ContentClearIcon()
|
|
}
|
|
return oldResouce != btn.Resource
|
|
}
|
|
|
|
var _ fyne.Tappable = (*searchActionButton)(nil)
|
|
|
|
type searchActionButton struct {
|
|
widget.BaseWidget
|
|
|
|
Resource fyne.Resource
|
|
|
|
icon *widget.Icon
|
|
|
|
OnTapped func()
|
|
}
|
|
|
|
func (s *SearchEntry) sendSearch(text string) {
|
|
if s.OnSearched != nil {
|
|
s.OnSearched(text)
|
|
}
|
|
}
|
|
|
|
func NewClearTextButton(onTapped func()) *searchActionButton {
|
|
c := &searchActionButton{OnTapped: onTapped}
|
|
c.ExtendBaseWidget(c)
|
|
c.Resource = theme.SearchIcon()
|
|
c.icon = widget.NewIcon(c.Resource)
|
|
return c
|
|
}
|
|
|
|
func (c *searchActionButton) Tapped(*fyne.PointEvent) {
|
|
if c.OnTapped != nil {
|
|
c.OnTapped()
|
|
}
|
|
}
|
|
|
|
func (c *searchActionButton) MinSize() fyne.Size {
|
|
th := c.Theme()
|
|
return fyne.NewSquareSize(th.Size(theme.SizeNameInlineIcon) + th.Size(theme.SizeNameInnerPadding)*2)
|
|
}
|
|
|
|
func (c *searchActionButton) Refresh() {
|
|
c.icon.Resource = c.Resource
|
|
c.BaseWidget.Refresh()
|
|
}
|
|
|
|
func (c *searchActionButton) CreateRenderer() fyne.WidgetRenderer {
|
|
return widget.NewSimpleRenderer(container.NewCenter(c.icon))
|
|
}
|