71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
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package basicElements
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import "image"
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import "git.tebibyte.media/sashakoshka/tomo/theme"
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import "git.tebibyte.media/sashakoshka/tomo/artist"
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import "git.tebibyte.media/sashakoshka/tomo/elements/core"
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type Icon struct {
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*core.Core
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core core.CoreControl
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theme theme.Wrapped
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id theme.Icon
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size theme.IconSize
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}
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func NewIcon (id theme.Icon, size theme.IconSize) (element *Icon) {
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element = &Icon {
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id: id,
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size: size,
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}
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element.theme.Case = theme.C("basic", "icon")
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element.Core, element.core = core.NewCore(element.draw)
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element.updateMinimumSize()
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return
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}
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// SetTheme sets the element's theme.
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func (element *Icon) SetTheme (new theme.Theme) {
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if new == element.theme.Theme { return }
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element.theme.Theme = new
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element.updateMinimumSize()
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if element.core.HasImage() {
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element.draw()
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element.core.DamageAll()
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}
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}
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func (element *Icon) icon () artist.Icon {
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return element.theme.Icon(element.id, element.size)
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}
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func (element *Icon) updateMinimumSize () {
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icon := element.icon()
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if icon == nil {
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element.core.SetMinimumSize(0, 0)
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} else {
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bounds := icon.Bounds()
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element.core.SetMinimumSize(bounds.Dx(), bounds.Dy())
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}
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}
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func (element *Icon) draw () {
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bounds := element.Bounds()
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state := theme.State { }
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element.theme.
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Pattern(theme.PatternBackground, state).
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Draw(element.core, bounds)
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icon := element.icon()
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if icon != nil {
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iconBounds := icon.Bounds()
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offset := image.Pt (
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(bounds.Dx() - iconBounds.Dx()) / 2,
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(bounds.Dy() - iconBounds.Dy()) / 2)
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icon.Draw (
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element.core,
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element.theme.Color (
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theme.ColorForeground, state),
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bounds.Min.Add(offset))
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}
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}
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