src/boot/keyShortcut.js

@@ -0,0 +1,32 @@
+export default {
+    mounted: function (el, binding) {
+        const shortcut = binding.value ?? '+';
+
+        const { key, ctrl, alt, callback } =
+            typeof shortcut === 'string'
+                ? {
+                      key: shortcut,
+                      ctrl: true,
+                      alt: true,
+                      callback: () =>
+                          document.querySelector('button[shortcut="+"]')?.click(),
+                  }
+                : binding.value;
+
+        const handleKeydown = (event) => {
+            if (event.key === key && (!ctrl || event.ctrlKey) && (!alt || event.altKey)) {
+                callback();
+            }
+        };
+
+        // Attach the event listener to the window
+        window.addEventListener('keydown', handleKeydown);
+
+        el._handleKeydown = handleKeydown;
+    },
+    unmounted: function (el) {
+        if (el._handleKeydown) {
+            window.removeEventListener('keydown', el._handleKeydown);
+        }
+    },
+};

src/boot/quasar.js

@@ -1,6 +1,8 @@
 import { boot } from 'quasar/wrappers';
 import qFormMixin from './qformMixin';
+import keyShortcut from './keyShortcut';
 
 export default boot(({ app }) => {
     app.mixin(qFormMixin);
+    app.directive('shortcut', keyShortcut);
 });