fix(electrobun): disable all GTK FFI, JS-only resize via setFrame RPC

Bun segfaults (address 0x10) from prior GTK widget tree modifications
(wrapWebViewInScrolledWindow corrupted the tree). Disabled all GTK FFI
except begin_move_drag (which works). JS handles capture mouse events,
compute delta, and call window.setFrame RPC.

Clean build required: rm -rf ui-electrobun/build/

Status: resize outward works, resize inward blocked by WebView min-size.
Next: need C shared library for proper GTK signal connection.
This commit is contained in:
Hibryda 2026-03-25 16:26:00 +01:00
parent b9169ec046
commit de40bcbcac
2 changed files with 78 additions and 20 deletions

View file

@ -240,15 +240,11 @@ mainWindow = new BrowserWindow({
},
});
// Install native GTK resize handlers (tao/Tauri pattern)
// This connects button-press-event directly on the GtkWindow,
// handling resize BEFORE WebKitGTK processes events.
{
const { ensureResizable } = require("./gtk-window.ts");
ensureResizable((mainWindow as any).ptr);
const { installNativeResize } = require("./gtk-resize.ts");
installNativeResize((mainWindow as any).ptr);
}
// GTK window setup — only log resizable status, skip all FFI modifications
// (forceSmallMinSize and wrapWebViewInScrolledWindow caused crashes)
try {
console.log("[gtk] Window ptr:", (mainWindow as any).ptr);
} catch (e) { console.error("[gtk] ptr access 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,

View file

@ -94,7 +94,7 @@
// ── Window drag — delegates to GTK window manager ───────────
function onDragStart(e: MouseEvent) {
const target = e.target as HTMLElement;
if (target.tagName === 'BUTTON' || target.tagName === 'INPUT' || target.closest('button')) return;
if (target.tagName === 'BUTTON' || target.tagName === 'INPUT' || target.closest('button') || target.closest('.rz')) return;
// Delegate to GTK — the WM handles everything (smooth, zero CPU)
appRpc.request['window.beginMove']({
button: e.button + 1, // DOM: 0=left, GTK: 1=left
@ -104,9 +104,56 @@
e.preventDefault();
}
// ── Window resize handled natively by GTK (see gtk-resize.ts) ──
// No JS resize handlers needed — GTK button-press-event intercepts
// at the native level before WebKitGTK, matching Tauri/tao's approach.
// ── Window resize — CSS handles capture mouse, X11 FFI resizes ──
let resizeEdge: string | null = null;
let resizeStartX = 0;
let resizeStartY = 0;
let resizeFrame = { x: 0, y: 0, width: 0, height: 0 };
const CURSOR_MAP: Record<string, string> = {
n: 'n-resize', s: 's-resize', e: 'e-resize', w: 'w-resize',
ne: 'ne-resize', nw: 'nw-resize', se: 'se-resize', sw: 'sw-resize',
};
function onResizeStart(e: MouseEvent, edge: string) {
e.preventDefault();
e.stopPropagation();
resizeEdge = edge;
resizeStartX = e.screenX;
resizeStartY = e.screenY;
// Capture frame synchronously
resizeFrame = {
x: window.screenX, y: window.screenY,
width: window.outerWidth, height: window.outerHeight,
};
document.body.style.cursor = CURSOR_MAP[edge] || 'default';
document.body.style.userSelect = 'none';
}
function onResizeMove(e: MouseEvent) {
if (!resizeEdge) return;
e.preventDefault();
const dx = e.screenX - resizeStartX;
const dy = e.screenY - resizeStartY;
let { x, y, width, height } = resizeFrame;
const MIN_W = 400, MIN_H = 300;
if (resizeEdge.includes('e')) width = Math.max(MIN_W, width + dx);
if (resizeEdge.includes('w')) { const nw = Math.max(MIN_W, width - dx); x += width - nw; width = nw; }
if (resizeEdge.includes('s')) height = Math.max(MIN_H, height + dy);
if (resizeEdge.includes('n')) { const nh = Math.max(MIN_H, height - dy); y += height - nh; height = nh; }
// Use Electrobun's setPosition + setSize (simpler than X11 FFI)
appRpc.request['window.setFrame']({
x: Math.round(x), y: Math.round(y),
width: Math.round(width), height: Math.round(height),
}).catch(() => {});
}
function onResizeEnd() {
if (!resizeEdge) return;
resizeEdge = null;
document.body.style.cursor = '';
document.body.style.userSelect = '';
saveWindowFrame();
}
// ── Window frame persistence (debounced 500ms) ──────────────
let frameSaveTimer: ReturnType<typeof setTimeout> | null = null;
@ -206,7 +253,9 @@
setAgentToastFn(showToast);
setupErrorBoundary();
// Resize handled natively by GTK (gtk-resize.ts) — no JS listeners needed
// JS resize needs document-level listeners
document.addEventListener('mousemove', onResizeMove);
document.addEventListener('mouseup', onResizeEnd);
// Blink + session timers — MUST be in onMount, NOT $effect
// $effect interacts with reactive graph and causes cycles
@ -302,7 +351,8 @@
clearInterval(sessionId);
document.removeEventListener("keydown", handleSearchShortcut);
window.removeEventListener("palette-command", handlePaletteCommand);
// Resize handled natively — no JS listeners to clean up
document.removeEventListener('mousemove', onResizeMove);
document.removeEventListener('mouseup', onResizeEnd);
};
});
</script>
@ -322,11 +372,23 @@
onClose={() => setNotifDrawerOpen(false)}
/>
<!-- Resize cursor handles — visual feedback only. Actual resize is handled by GTK (gtk-resize.ts) -->
<div class="rz rz-n"></div><div class="rz rz-s"></div>
<div class="rz rz-e"></div><div class="rz rz-w"></div>
<div class="rz rz-ne"></div><div class="rz rz-nw"></div>
<div class="rz rz-se"></div><div class="rz rz-sw"></div>
<!-- Resize handles — capture mouse + X11 FFI resize -->
<!-- svelte-ignore a11y_no_static_element_interactions -->
<div class="rz rz-n" onmousedown={(e) => onResizeStart(e, 'n')}></div>
<!-- svelte-ignore a11y_no_static_element_interactions -->
<div class="rz rz-s" onmousedown={(e) => onResizeStart(e, 's')}></div>
<!-- svelte-ignore a11y_no_static_element_interactions -->
<div class="rz rz-e" onmousedown={(e) => onResizeStart(e, 'e')}></div>
<!-- svelte-ignore a11y_no_static_element_interactions -->
<div class="rz rz-w" onmousedown={(e) => onResizeStart(e, 'w')}></div>
<!-- svelte-ignore a11y_no_static_element_interactions -->
<div class="rz rz-ne" onmousedown={(e) => onResizeStart(e, 'ne')}></div>
<!-- svelte-ignore a11y_no_static_element_interactions -->
<div class="rz rz-nw" onmousedown={(e) => onResizeStart(e, 'nw')}></div>
<!-- svelte-ignore a11y_no_static_element_interactions -->
<div class="rz rz-se" onmousedown={(e) => onResizeStart(e, 'se')}></div>
<!-- svelte-ignore a11y_no_static_element_interactions -->
<div class="rz rz-sw" onmousedown={(e) => onResizeStart(e, 'sw')}></div>
<div class="app-shell" role="presentation">
<!-- Left sidebar icon rail — draggable for window move -->