Bjarne Øverli
2f7044d071
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Plugins can now call cliamp.message(text, duration_secs?) to display transient messages in the UI status bar. Closes #175. Delivery flows through prog.Send to the Bubbletea model thread, so plugin timers and event handlers never touch UI state directly.
31 lines
991 B
Go
31 lines
991 B
Go
package luaplugin
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import (
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"time"
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lua "github.com/yuin/gopher-lua"
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)
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// messageMaxDuration caps how long a plugin-supplied status message can stay on
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// screen. Plugins can request longer durations, but they get clamped so a
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// runaway script cannot pin the status bar indefinitely.
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const messageMaxDuration = 60 * time.Second
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// registerMessageAPI adds cliamp.message(text, duration_secs?) which displays a
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// temporary message in the status bar at the bottom of the UI. A missing or
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// non-positive duration falls back to the default status TTL (set by the UI).
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func registerMessageAPI(L *lua.LState, cliamp *lua.LTable, ui *UIProvider) {
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L.SetField(cliamp, "message", L.NewFunction(func(L *lua.LState) int {
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if ui.ShowMessage == nil {
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return 0
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}
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text := L.CheckString(1)
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var dur time.Duration
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if secs := float64(L.OptNumber(2, 0)); secs > 0 {
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dur = min(time.Duration(secs*float64(time.Second)), messageMaxDuration)
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}
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ui.ShowMessage(text, dur)
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return 0
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}))
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}
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