[Bug] Fix DOM widgets position when canvas bounding box change (#3565)

Co-authored-by: github-actions <github-actions@github.com>

browser_tests/tests/domWidget.spec.ts

@@ -24,4 +24,11 @@ test.describe('DOM Widget', () => {
     await expect(firstMultiline).not.toBeVisible()
     await expect(lastMultiline).not.toBeVisible()
   })
+
+  test('Position update when entering focus mode', async ({ comfyPage }) => {
+    await comfyPage.setSetting('Comfy.UseNewMenu', 'Top')
+    await comfyPage.executeCommand('Workspace.ToggleFocusMode')
+    await comfyPage.nextFrame()
+    await expect(comfyPage.canvas).toHaveScreenshot('focus-mode-on.png')
+  })
 })

src/components/graph/DomWidgets.vue

@@ -73,6 +73,7 @@ watch(
         updateWidgets()
       }
     )
-  }
+  },
+  { immediate: true }
 )
 </script>

src/components/graph/GraphCanvas.vue

@@ -19,7 +19,6 @@
       <GraphCanvasMenu v-if="canvasMenuEnabled" class="pointer-events-auto" />
     </template>
   </LiteGraphCanvasSplitterOverlay>
-  <TitleEditor />
   <GraphCanvasMenu v-if="!betaMenuEnabled && canvasMenuEnabled" />
   <canvas
     id="graph-canvas"
@@ -27,13 +26,20 @@
     tabindex="1"
     class="w-full h-full touch-none"
   />
-  <NodeSearchboxPopover />
-  <SelectionOverlay v-if="selectionToolboxEnabled">
-    <SelectionToolbox />
-  </SelectionOverlay>
-  <NodeTooltip v-if="tooltipEnabled" />
+
   <NodeBadge />
-  <DomWidgets />
+  <NodeTooltip v-if="tooltipEnabled" />
+  <NodeSearchboxPopover />
+
+  <!-- Initialize components after comfyApp is ready. useAbsolutePosition requires
+  canvasStore.canvas to be initialized. -->
+  <template v-if="comfyAppReady">
+    <TitleEditor />
+    <SelectionOverlay v-if="selectionToolboxEnabled">
+      <SelectionToolbox />
+    </SelectionOverlay>
+    <DomWidgets />
+  </template>
 </template>
 
 <script setup lang="ts">
@@ -78,7 +84,9 @@ import { useSettingStore } from '@/stores/settingStore'
 import { useColorPaletteStore } from '@/stores/workspace/colorPaletteStore'
 import { useWorkspaceStore } from '@/stores/workspaceStore'
 
-const emit = defineEmits(['ready'])
+const emit = defineEmits<{
+  ready: []
+}>()
 const canvasRef = ref<HTMLCanvasElement | null>(null)
 const settingStore = useSettingStore()
 const nodeDefStore = useNodeDefStore()

src/components/graph/TitleEditor.vue

@@ -16,7 +16,7 @@
 import { LGraphGroup, LGraphNode, LiteGraph } from '@comfyorg/litegraph'
 import type { LiteGraphCanvasEvent } from '@comfyorg/litegraph'
 import { useEventListener } from '@vueuse/core'
-import { ref, watch } from 'vue'
+import { type CSSProperties, computed, ref, watch } from 'vue'
 
 import EditableText from '@/components/common/EditableText.vue'
 import { useAbsolutePosition } from '@/composables/element/useAbsolutePosition'
@@ -28,7 +28,12 @@ const settingStore = useSettingStore()
 
 const showInput = ref(false)
 const editedTitle = ref('')
-const { style: inputStyle, updatePosition } = useAbsolutePosition()
+const { style: inputPositionStyle, updatePosition } = useAbsolutePosition()
+const inputFontStyle = ref<CSSProperties>({})
+const inputStyle = computed<CSSProperties>(() => ({
+  ...inputPositionStyle.value,
+  ...inputFontStyle.value
+}))
 
 const titleEditorStore = useTitleEditorStore()
 const canvasStore = useCanvasStore()
@@ -59,23 +64,19 @@ watch(
 
     if (target instanceof LGraphGroup) {
       const group = target
-      updatePosition(
-        {
-          pos: group.pos,
-          size: [group.size[0], group.titleHeight]
-        },
-        { fontSize: `${group.font_size * scale}px` }
-      )
+      updatePosition({
+        pos: group.pos,
+        size: [group.size[0], group.titleHeight]
+      })
+      inputFontStyle.value = { fontSize: `${group.font_size * scale}px` }
     } else if (target instanceof LGraphNode) {
       const node = target
       const [x, y] = node.getBounding()
-      updatePosition(
-        {
-          pos: [x, y],
-          size: [node.width, LiteGraph.NODE_TITLE_HEIGHT]
-        },
-        { fontSize: `${12 * scale}px` }
-      )
+      updatePosition({
+        pos: [x, y],
+        size: [node.width, LiteGraph.NODE_TITLE_HEIGHT]
+      })
+      inputFontStyle.value = { fontSize: `${12 * scale}px` }
     }
   }
 )

src/components/graph/widgets/DomWidget.vue

@@ -37,13 +37,14 @@ const { widget, widgetState } = defineProps<{
 }>()
 
 const emit = defineEmits<{
-  (e: 'update:widgetValue', value: string | object): void
+  'update:widgetValue': [value: string | object]
 }>()
 
 const widgetElement = ref<HTMLElement | undefined>()
 
-const { style: positionStyle, updatePositionWithTransform } =
-  useAbsolutePosition()
+const { style: positionStyle, updatePosition } = useAbsolutePosition({
+  useTransform: true
+})
 const { style: clippingStyle, updateClipPath } = useDomClipping()
 const style = computed<CSSProperties>(() => ({
   ...positionStyle.value,
@@ -94,7 +95,7 @@ const updateDomClipping = () => {
 watch(
   () => widgetState,
   (newState) => {
-    updatePositionWithTransform(newState)
+    updatePosition(newState)
     if (enableDomClipping.value) {
       updateDomClipping()
     }

src/composables/element/useAbsolutePosition.ts

@@ -1,7 +1,7 @@
 import type { Size, Vector2 } from '@comfyorg/litegraph'
-import { CSSProperties, ref } from 'vue'
+import { CSSProperties, computed, ref } from 'vue'
 
-import { app } from '@/scripts/app'
+import { useCanvasPositionConversion } from '@/composables/element/useCanvasPositionConversion'
 import { useCanvasStore } from '@/stores/graphStore'
 
 export interface PositionConfig {
@@ -13,70 +13,56 @@ export interface PositionConfig {
   scale?: number
 }
 
-export function useAbsolutePosition() {
+export function useAbsolutePosition(options: { useTransform?: boolean } = {}) {
+  const { useTransform = false } = options
+
   const canvasStore = useCanvasStore()
-  const style = ref<CSSProperties>({
-    position: 'fixed',
-    left: '0px',
-    top: '0px',
-    width: '0px',
-    height: '0px'
+  const lgCanvas = canvasStore.getCanvas()
+  const { canvasPosToClientPos } = useCanvasPositionConversion(
+    lgCanvas.canvas,
+    lgCanvas
+  )
+
+  const position = ref<PositionConfig>({
+    pos: [0, 0],
+    size: [0, 0]
+  })
+
+  const style = computed<CSSProperties>(() => {
+    const { pos, size, scale = lgCanvas.ds.scale } = position.value
+    const [left, top] = canvasPosToClientPos(pos)
+    const [width, height] = size
+
+    return useTransform
+      ? {
+          position: 'fixed',
+          transformOrigin: '0 0',
+          transform: `scale(${scale})`,
+          left: `${left}px`,
+          top: `${top}px`,
+          width: `${width}px`,
+          height: `${height}px`
+        }
+      : {
+          position: 'fixed',
+          left: `${left}px`,
+          top: `${top}px`,
+          width: `${width * scale}px`,
+          height: `${height * scale}px`
+        }
   })
 
   /**
    * Update the position of the element on the litegraph canvas.
    *
    * @param config
-   * @param extraStyle
    */
-  const updatePosition = (
-    config: PositionConfig,
-    extraStyle?: CSSProperties
-  ) => {
-    const { pos, size, scale = canvasStore.canvas?.ds?.scale ?? 1 } = config
-    const [left, top] = app.canvasPosToClientPos(pos)
-    const [width, height] = size
-
-    style.value = {
-      ...style.value,
-      left: `${left}px`,
-      top: `${top}px`,
-      width: `${width * scale}px`,
-      height: `${height * scale}px`,
-      ...extraStyle
-    }
-  }
-
-  /**
-   * Update the position and size of the element on the litegraph canvas,
-   * with CSS transform scaling applied.
-   *
-   * @param config
-   * @param extraStyle
-   */
-  const updatePositionWithTransform = (
-    config: PositionConfig,
-    extraStyle?: CSSProperties
-  ) => {
-    const { pos, size, scale = canvasStore.canvas?.ds?.scale ?? 1 } = config
-    const [left, top] = app.canvasPosToClientPos(pos)
-    const [width, height] = size
-
-    style.value = {
-      ...style.value,
-      transformOrigin: '0 0',
-      transform: `scale(${scale})`,
-      left: `${left}px`,
-      top: `${top}px`,
-      width: `${width}px`,
-      height: `${height}px`,
-      ...extraStyle
-    }
+  const updatePosition = (config: PositionConfig) => {
+    position.value = config
   }
 
   return {
     style,
-    updatePosition,
-    updatePositionWithTransform
+    updatePosition
   }
 }