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feat(electrobun): native C resize library (Wails pattern)

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New: agor-pty/native/agor_resize.c — C shared library that:
- Connects button-press-event on GtkWindow + WebView children in C
- Stores mouseButton, xroot, yroot, dragTime from real GTK events
- Exports agor_resize_start(edge) for Bun FFI

Build: gcc -shared -fPIC -o libagor-resize.so agor_resize.c $(pkg-config --cflags --libs gtk+-3.0)

New: ui-electrobun/src/bun/native-resize.ts — Bun FFI wrapper
App.svelte: simplified to just edge detection + RPC call
This commit is contained in:
Hibryda 2026-03-25 16:44:51 +01:00
parent de40bcbcac
commit 178e560068
5 changed files with 244 additions and 62 deletions
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20
ui-electrobun/src/bun/index.ts
View file

@ -109,14 +109,11 @@ const rpc = BrowserView.defineRPC<PtyRPCSchema>({
...miscHandlers,
// GTK native drag/resize — delegates to window manager (zero CPU)
"window.beginResize": ({ edge, button, rootX, rootY }: { edge: string; button: number; rootX: number; rootY: number }) => {
"window.beginResize": ({ edge }: { edge: string }) => {
try {
const { beginResizeDrag, edgeStringToGdk } = require("./gtk-window.ts");
const gdkEdge = edgeStringToGdk(edge);
if (gdkEdge === null) return { ok: false, error: `Unknown edge: ${edge}` };
console.log(`[resize] edge=${edge} gdkEdge=${gdkEdge} btn=${button} rootX=${rootX} rootY=${rootY} ptr=${(mainWindow as any).ptr}`);
const ok = beginResizeDrag((mainWindow as any).ptr, gdkEdge, button, rootX, rootY);
console.log(`[resize] result: ${ok}`);
// Uses native C library — stored mouse state from real GTK event
const { startNativeResize } = require("./native-resize.ts");
const ok = startNativeResize(edge);
return { ok };
} catch (err) { console.error("[window.beginResize]", err); return { ok: false }; }
},
@ -240,11 +237,12 @@ mainWindow = new BrowserWindow({
},
});
// GTK window setup — only log resizable status, skip all FFI modifications
// (forceSmallMinSize and wrapWebViewInScrolledWindow caused crashes)
// Native resize via C shared library (libagor-resize.so)
// Owns GTK signal connections in C — no JSCallback boundary crossing
try {
console.log("[gtk] Window ptr:", (mainWindow as any).ptr);
} catch (e) { console.error("[gtk] ptr access failed:", e); }
const { initNativeResize } = require("./native-resize.ts");
initNativeResize((mainWindow as any).ptr, 8);
} catch (e) { console.error("[native-resize] init failed:", e); }
// 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,