feat: add ESC key support to close all modals and fullscreen modes

src/components/tools/QrScanner.vue

@@ -377,11 +377,18 @@ watch(scannedCodes, (newVal) => {
   localStorage.setItem('qr-history', JSON.stringify(newVal))
 }, { deep: true })
 
+const handleKeydown = (e) => {
+  if (e.key === 'Escape' && isFullscreen.value) {
+    toggleFullscreen()
+  }
+}
+
 onMounted(() => {
   checkCameras()
   loadHistory()
   window.addEventListener('resize', updateVideoAspect)
   window.addEventListener('resize', startBackgroundLoop)
+  window.addEventListener('keydown', handleKeydown)
   watch(isFullscreen, (fs) => {
     if (fs) {
       startBackgroundLoop()
@@ -389,13 +396,14 @@ onMounted(() => {
       stopBackgroundLoop()
     }
   }, { immediate: true })
-
+  
   startScan()
 })
 
 onUnmounted(() => {
   window.removeEventListener('resize', updateVideoAspect)
   window.removeEventListener('resize', startBackgroundLoop)
+  window.removeEventListener('keydown', handleKeydown)
   stopScan()
 })