143 lines
2.7 KiB
Go
143 lines
2.7 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/canvas"
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"fyne.io/fyne/v2/container"
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"fyne.io/fyne/v2/driver/desktop"
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"fyne.io/fyne/v2/theme"
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"fyne.io/fyne/v2/widget"
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myTheme "github.com/dweymouth/supersonic/ui/theme"
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)
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type IconButtonSize int
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const (
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IconButtonSizeNormal IconButtonSize = iota
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IconButtonSizeBigger
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IconButtonSizeSmaller
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)
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type IconButton struct {
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widget.BaseWidget
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Highlighted bool
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IconSize IconButtonSize
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OnTapped func()
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icon fyne.Resource
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focused bool
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hovered bool
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themed *theme.ThemedResource
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img *canvas.Image
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}
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var (
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_ fyne.Tappable = (*IconButton)(nil)
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_ fyne.Focusable = (*IconButton)(nil)
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_ desktop.Hoverable = (*IconButton)(nil)
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)
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func NewIconButton(icon fyne.Resource, onTapped func()) *IconButton {
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i := &IconButton{icon: icon, OnTapped: onTapped}
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i.ExtendBaseWidget(i)
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return i
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}
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func (i *IconButton) SetIcon(icon fyne.Resource) {
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i.icon = icon
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if i.img != nil {
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i.themed = theme.NewThemedResource(icon)
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i.img.Resource = i.themed
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i.Refresh()
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}
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}
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func (i *IconButton) Tapped(*fyne.PointEvent) {
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if i.OnTapped != nil {
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i.OnTapped()
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}
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}
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func (i *IconButton) FocusGained() {
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if !i.focused {
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defer i.Refresh()
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}
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i.focused = true
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}
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func (i *IconButton) FocusLost() {
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if i.focused {
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defer i.Refresh()
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}
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i.focused = false
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}
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func (i *IconButton) TypedKey(e *fyne.KeyEvent) {
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if e.Name == fyne.KeySpace {
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i.Tapped(nil)
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}
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}
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func (i *IconButton) TypedRune(r rune) {
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}
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func (i *IconButton) MouseIn(*desktop.MouseEvent) {
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if !i.hovered {
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defer i.Refresh()
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}
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i.hovered = true
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}
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func (i *IconButton) MouseOut() {
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if i.hovered {
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defer i.Refresh()
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}
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i.hovered = false
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}
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func (i *IconButton) MouseMoved(*desktop.MouseEvent) {
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}
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func (i *IconButton) MinSize() fyne.Size {
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return i.iconSize()
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}
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func (i *IconButton) iconSize() fyne.Size {
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switch i.IconSize {
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case IconButtonSizeBigger:
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return fyne.NewSquareSize(theme.IconInlineSize() * 2)
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case IconButtonSizeSmaller:
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return fyne.NewSquareSize(theme.IconInlineSize())
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default:
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return fyne.NewSquareSize(theme.IconInlineSize() * 1.3333)
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}
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}
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func (i *IconButton) Refresh() {
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if i.img == nil {
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return
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}
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if i.Highlighted || i.focused {
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i.themed.ColorName = theme.ColorNamePrimary
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} else if i.hovered {
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i.themed.ColorName = myTheme.ColorNameHoveredIconButton
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} else {
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i.themed.ColorName = myTheme.ColorNameIconButton
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}
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i.img.SetMinSize(i.iconSize())
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i.img.Refresh()
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}
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func (i *IconButton) CreateRenderer() fyne.WidgetRenderer {
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if i.img == nil {
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i.themed = theme.NewThemedResource(i.icon)
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i.img = canvas.NewImageFromResource(i.themed)
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i.img.FillMode = canvas.ImageFillContain
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i.img.SetMinSize(i.iconSize())
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}
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return widget.NewSimpleRenderer(container.NewCenter(i.img))
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}
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