55 lines
1.9 KiB
Go
55 lines
1.9 KiB
Go
package chat
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import (
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"fmt"
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"log/slog"
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"github.com/egoist/mygo/ui"
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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/core"
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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/input"
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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/internal"
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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/theme"
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)
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// BranchNavigator switches among count branches of a message, showing "< 2 / 3 >"; Left and Right step.
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func BranchNavigator(c *ui.Context, index *int, count int) core.ChoiceResult {
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if count < 1 || *index < 0 || *index >= count {
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panic("mujica: BranchNavigator needs 0 <= index < count")
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}
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k := core.Tokens(c)
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label := fmt.Sprintf(core.Msg(c, "branch_navigator.label"), *index+1, count)
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var r core.ChoiceResult
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r.Element = ui.Row(c).Focusable().AlignItems(ui.Center).Radius(theme.ControlRadius).Role(ui.RoleGroup).Label(label)
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internal.Ring(r.Element, k.Focus, theme.ControlRadius)
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disabled := r.Element.IsDisabled()
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step := func(d int) {
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if i := *index + d; i >= 0 && i < count && !disabled {
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*index, r = i, core.NewChoiceResult(r.Element, true)
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c.Announce(fmt.Sprintf(core.Msg(c, "branch_navigator.label"), i+1, count))
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slog.Debug("mujica: branch_navigator change", "index", i)
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}
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}
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switch {
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case r.Element.Shortcut(0, ui.KeyLeft):
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step(-1)
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case r.Element.Shortcut(0, ui.KeyRight):
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step(1)
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case r.Element.Shortcut(0, ui.KeyHome):
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step(-*index)
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case r.Element.Shortcut(0, ui.KeyEnd):
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step(count - 1 - *index)
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}
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r.Element.Children(func() {
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if input.NumberInputButton(c, "chevron-left", core.Msg(c, "branch_navigator.previous"), *index > 0) {
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step(-1)
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}
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ui.Text(c, fmt.Sprintf("%d / %d", *index+1, count)).FontFeatures("tnum").FontSize(core.FontSize(c, theme.CaptionSize)).
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TextColor(k.TextMuted).SingleLine()
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if input.NumberInputButton(c, "chevron-right", core.Msg(c, "branch_navigator.next"), *index < count-1) {
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step(1)
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}
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})
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return r
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}
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