67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
package navigation
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import (
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"log/slog"
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"github.com/egoist/mygo/ui"
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"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
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)
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var cross = pixel.MustSprite(`
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#...#
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.#.#.
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..#..
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.#.#.
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#...#
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`)
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type DocumentTabsOptions struct {
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Disabled bool
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}
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type DocumentTabsResult struct {
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Element *ui.Element
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Changed bool
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// Closed is the tab × or Delete closed, or -1.
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Closed int
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}
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// DocumentTabs are closable tabs; × or Delete reports Closed.
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func DocumentTabs(c *ui.Context, text string, titles []string, selected *int, o DocumentTabsOptions) DocumentTabsResult {
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k := pixel.K(c)
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res := DocumentTabsResult{Closed: -1}
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p := ui.TabsBase(c, selected, len(titles))
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p.List.Label(text).Children(func() {
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for i, t := range titles {
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var x *ui.Element
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shell, base, st := pixel.Shell(c, func() *ui.Element {
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tab := p.Tab(i).Label(t).Disabled(o.Disabled)
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// The × is no Tab stop; Delete closes by keyboard.
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tab.Children(func() {
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x = ui.Box(c).Absolute().Right(k.D(4)).Top(k.D(6)).Size(k.D(7), k.D(7)).Role(ui.RoleButton).Label(k.Msg("close") + " " + t)
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})
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return tab
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})
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if x.Clicked() || base.Shortcut(0, ui.KeyDelete) {
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res.Closed = i
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}
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hot := x.Hovered()
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shell.Size(k.D(pixel.Measure(t)+24), k.D(pixel.LineHeight+6)).Draw(func(p *ui.Painter, r ui.Rect) {
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g := k.Canvas(p, r)
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folder(g, t, i == *selected, false, st)
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ink := pixel.Faint
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if hot {
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ink = pixel.Bad
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}
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g.Sprite(g.W-10, 7, cross, 0, ink, 1)
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})
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}
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})
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res.Element, res.Changed = p.List, p.List.Changed()
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if res.Closed >= 0 {
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slog.Debug("8bit: tab closed", "label", text, "tab", titles[res.Closed])
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}
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return res
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}
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