✨ feat(mac-window): 支持切换 macOS 原生窗口控制与原生全屏行为

frontend/src/utils/macWindow.ts

@@ -0,0 +1,42 @@
+export const getMacNativeTitlebarPaddingLeft = (uiScale: number, enabled: boolean): number => {
+  if (!enabled) {
+    return Math.max(12, Math.round(16 * uiScale));
+  }
+  return Math.max(88, Math.round(96 * uiScale));
+};
+
+export const getMacNativeTitlebarPaddingRight = (uiScale: number, enabled: boolean): number => {
+  if (!enabled) {
+    return 0;
+  }
+  return Math.max(12, Math.round(16 * uiScale));
+};
+
+export const shouldHandleMacNativeFullscreenShortcut = (
+  isMacRuntime: boolean,
+  useNativeMacWindowControls: boolean,
+  event: Pick<KeyboardEvent, 'ctrlKey' | 'metaKey' | 'altKey' | 'key'>,
+): boolean => {
+  if (!isMacRuntime || !useNativeMacWindowControls) {
+    return false;
+  }
+  if (!event.ctrlKey || !event.metaKey || event.altKey) {
+    return false;
+  }
+  return String(event.key || '').toLowerCase() === 'f';
+};
+
+export const shouldSuppressMacNativeEscapeExit = (
+  isMacRuntime: boolean,
+  useNativeMacWindowControls: boolean,
+  isFullscreen: boolean,
+  event: Pick<KeyboardEvent, 'key' | 'defaultPrevented'>,
+): boolean => {
+  if (!isMacRuntime || !useNativeMacWindowControls || !isFullscreen) {
+    return false;
+  }
+  if (event.defaultPrevented) {
+    return false;
+  }
+  return String(event.key || '') === 'Escape';
+};