feat: add new webcam widget Vue component.

src/renderer/extensions/vueNodes/widgets/components/WidgetWebcam.vue

@@ -0,0 +1,114 @@
+<template>
+  <div class="relative">
+    <div class="mb-4">
+      <Button
+        class="text-text-secondary w-full border-0 bg-component-node-widget-background hover:bg-secondary-background-hover"
+        :disabled="isCameraOn || readonly"
+        @click="handleTurnOnCamera"
+      >
+        {{ t('g.turnOnCamera', 'Turn on Camera') }}
+        <i-lucide:video class="ml-1" />
+      </Button>
+    </div>
+    <LODFallback />
+  </div>
+</template>
+
+<script setup lang="ts">
+import { Button } from 'primevue'
+import { computed, nextTick, onMounted, ref } from 'vue'
+
+import { t } from '@/i18n'
+import type { LGraphNode } from '@/lib/litegraph/src/LGraphNode'
+import LODFallback from '@/renderer/extensions/vueNodes/components/LODFallback.vue'
+import { app } from '@/scripts/app'
+import type { SimplifiedWidget } from '@/types/simplifiedWidget'
+
+const props = defineProps<{
+  widget: SimplifiedWidget<string | number | undefined>
+  readonly?: boolean
+  nodeId: string
+}>()
+
+const isCameraOn = ref(false)
+
+const litegraphNode = computed(() => {
+  if (!props.nodeId || !app.rootGraph) return null
+  return app.rootGraph.getNodeById(props.nodeId) as LGraphNode | null
+})
+
+function hideWidgets() {
+  const node = litegraphNode.value
+  if (!node?.widgets) return
+
+  // Create completely new widget objects to trigger shallowReactive
+  const newWidgets = node.widgets.map((widget) => {
+    const shouldHide = ['height', 'width', 'capture_on_queue'].includes(
+      widget.name
+    )
+
+    if (shouldHide) {
+      return {
+        ...widget,
+        options: {
+          ...widget.options,
+          hidden: true
+        }
+      }
+    }
+    return widget
+  })
+
+  node.widgets = newWidgets
+}
+
+function showWidgets() {
+  const node = litegraphNode.value
+  if (!node?.widgets) return
+
+  // Create completely new widget objects to trigger shallowReactive
+  const newWidgets = node.widgets.map((widget) => {
+    const shouldShow = ['height', 'width', 'capture_on_queue'].includes(
+      widget.name
+    )
+
+    if (shouldShow) {
+      return {
+        ...widget,
+        options: {
+          ...widget.options,
+          hidden: false
+        }
+      }
+    }
+    return widget
+  })
+
+  node.widgets = newWidgets
+
+  // Increment graph version to trigger reactivity
+  if (node.graph) {
+    node.graph._version++
+  }
+
+  app.graph.setDirtyCanvas(true, true)
+}
+
+async function handleTurnOnCamera() {
+  if (props.readonly || isCameraOn.value) return
+
+  isCameraOn.value = true
+  showWidgets()
+
+  // Wait for next tick to ensure reactivity has processed
+  await nextTick()
+
+  // Force another canvas update after nextTick
+  app.graph.setDirtyCanvas(true, true)
+}
+
+onMounted(() => {
+  // Hide all widgets initially until camera is turned on
+  hideWidgets()
+})
+</script>