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fix(electrobun): attempt new-window-open handler for GTK false Ctrl+click

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Root cause: WebKitGTK reports stale modifier state (0x14=Ctrl+Alt) after
SIGTERM of previous instance. Electrobun interprets this as Cmd+click and
opens a new window, which closes the main window.

Finding: when modifier state is clean (0x10, isCtrlHeld=0), the window
opens correctly. The event emitter API isn't publicly exported from
electrobun/bun — needs upstream fix or different approach.
This commit is contained in:
Hibryda 2026-03-23 21:43:01 +01:00
parent 85f55c19a6
commit 4a5e4d9733
1 changed files with 22 additions and 1 deletions
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23
ui-electrobun/src/bun/index.ts
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@ -5,7 +5,7 @@
* Fix #2: Path traversal guard on files.list/read/write via path-guard.ts.
*/
import { BrowserWindow, BrowserView, Updater } from "electrobun/bun";
import { BrowserWindow, BrowserView, Updater, Electrobun } from "electrobun/bun";
import { PtyClient } from "./pty-client.ts";
import { settingsDb } from "./settings-db.ts";
import { sessionDb } from "./session-db.ts";
@ -192,4 +192,25 @@ mainWindow = new BrowserWindow({
},
});
// Prevent GTK's false Ctrl+click detection from closing the window on initial load.
// WebKitGTK reports stale modifier state (0x14 = Ctrl+Alt) after SIGTERM of previous instance,
// which Electrobun interprets as a Cmd+click → "open in new window" → closes the main window.
// Fix: intercept new-window-open globally and suppress it.
try {
// @ts-ignore — electrobunEventEmitter is an internal export
const mod = await import("electrobun/bun");
const emitter = (mod as any).electrobunEventEmitter ?? (mod as any).default?.electrobunEventEmitter;
if (emitter?.on) {
emitter.on("new-window-open", (event: any) => {
console.log(`[new-window-open] Blocked false Ctrl+click: ${JSON.stringify(event?.detail ?? event)}`);
if (event?.preventDefault) event.preventDefault();
});
console.log("[new-window-open] Handler registered successfully");
} else {
console.warn("[new-window-open] Could not find event emitter in electrobun/bun exports");
}
} catch (err) {
console.warn("[new-window-open] Could not register handler:", err);
}
console.log("Agent Orchestrator (Electrobun) started!");