103 lines
2.4 KiB
Go
103 lines
2.4 KiB
Go
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/config"
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import "git.tebibyte.media/sashakoshka/tomo/canvas"
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import "git.tebibyte.media/sashakoshka/tomo/artist"
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import "git.tebibyte.media/sashakoshka/tomo/textdraw"
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// ListEntry is an item that can be added to a list.
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type ListEntry struct {
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drawer textdraw.Drawer
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bounds image.Rectangle
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text string
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width int
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minimumWidth int
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config config.Wrapped
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theme theme.Wrapped
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onSelect func ()
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}
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func NewListEntry (text string, onSelect func ()) (entry ListEntry) {
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entry = ListEntry {
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text: text,
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onSelect: onSelect,
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}
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entry.theme.Case = theme.C("basic", "listEntry")
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entry.drawer.SetText([]rune(text))
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entry.updateBounds()
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return
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}
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func (entry *ListEntry) SetTheme (new theme.Theme) {
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if new == entry.theme.Theme { return }
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entry.theme.Theme = new
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entry.drawer.SetFace (entry.theme.FontFace (
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theme.FontStyleRegular,
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theme.FontSizeNormal))
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entry.updateBounds()
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}
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func (entry *ListEntry) SetConfig (new config.Config) {
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if new == entry.config.Config { return }
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entry.config.Config = new
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}
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func (entry *ListEntry) updateBounds () {
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inset := entry.theme.Inset(theme.PatternRaised)
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entry.bounds = inset.Inverse().Apply(entry.drawer.LayoutBounds())
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entry.bounds = entry.bounds.Sub(entry.bounds.Min)
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entry.minimumWidth = entry.bounds.Dx()
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entry.bounds.Max.X = entry.width
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}
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func (entry *ListEntry) Draw (
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destination canvas.Canvas,
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offset image.Point,
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focused bool,
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on bool,
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) (
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updatedRegion image.Rectangle,
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) {
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state := theme.PatternState {
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Focused: focused,
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On: on,
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}
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pattern := entry.theme.Pattern (theme.PatternRaised, state)
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inset := entry.theme.Inset(theme.PatternRaised)
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artist.FillRectangle (
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destination,
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pattern,
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entry.Bounds().Add(offset))
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foreground := entry.theme.Pattern (theme.PatternForeground, state)
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return entry.drawer.Draw (
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destination,
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foreground,
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offset.Add(image.Pt(inset[3], inset[0])).
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Sub(entry.drawer.LayoutBounds().Min))
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}
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func (entry *ListEntry) RunSelect () {
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if entry.onSelect != nil {
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entry.onSelect()
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}
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}
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func (entry *ListEntry) Bounds () (bounds image.Rectangle) {
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return entry.bounds
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}
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func (entry *ListEntry) Resize (width int) {
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entry.width = width
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entry.updateBounds()
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}
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func (entry *ListEntry) MinimumWidth () (width int) {
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return entry.minimumWidth
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}
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