69 lines
2.0 KiB
TypeScript
69 lines
2.0 KiB
TypeScript
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import { spawn } from "bun"
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import type { WindowState, TmuxPaneInfo } from "./types"
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import { getTmuxPath } from "../../tools/interactive-bash/utils"
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import { log } from "../../shared"
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/**
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* Query the current window state from tmux.
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* This is the source of truth - not our internal cache.
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*/
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export async function queryWindowState(sourcePaneId: string): Promise<WindowState | null> {
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const tmux = await getTmuxPath()
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if (!tmux) return null
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// Get window width and all panes in the current window
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const proc = spawn(
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[
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tmux,
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"list-panes",
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"-t",
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sourcePaneId,
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"-F",
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"#{pane_id},#{pane_width},#{pane_left},#{pane_title},#{pane_active},#{window_width}",
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],
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{ stdout: "pipe", stderr: "pipe" }
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)
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const exitCode = await proc.exited
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const stdout = await new Response(proc.stdout).text()
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if (exitCode !== 0) {
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log("[pane-state-querier] list-panes failed", { exitCode })
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return null
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}
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const lines = stdout.trim().split("\n").filter(Boolean)
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if (lines.length === 0) return null
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let windowWidth = 0
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const panes: TmuxPaneInfo[] = []
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for (const line of lines) {
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const [paneId, widthStr, leftStr, title, activeStr, windowWidthStr] = line.split(",")
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const width = parseInt(widthStr, 10)
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const left = parseInt(leftStr, 10)
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const isActive = activeStr === "1"
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windowWidth = parseInt(windowWidthStr, 10)
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if (!isNaN(width) && !isNaN(left)) {
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panes.push({ paneId, width, left, title, isActive })
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}
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}
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// Sort panes by left position (leftmost first)
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panes.sort((a, b) => a.left - b.left)
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// The main pane is the leftmost pane (where opencode runs)
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// Agent panes are all other panes to the right
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const mainPane = panes.find((p) => p.paneId === sourcePaneId) ?? panes[0] ?? null
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const agentPanes = panes.filter((p) => p.paneId !== mainPane?.paneId)
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log("[pane-state-querier] window state", {
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windowWidth,
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mainPane: mainPane?.paneId,
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agentPaneCount: agentPanes.length,
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})
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return { windowWidth, mainPane, agentPanes }
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}
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