Add linear mode (#6670)

![linear-mode](https://github.com/user-attachments/assets/d1aa078a-00a8-4e71-86d5-ee929b269c90)

See also: #6642

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-6670-Add-linear-mode-2aa6d73d365081d08887e4a6db3a8fa0)
by [Unito](https://www.unito.io)

Author: AustinMroz

src/composables/graph/useGraphNodeManager.ts

@@ -79,10 +79,64 @@ export interface GraphNodeManager {
   cleanup(): void
 }
 
+export function safeWidgetMapper(
+  node: LGraphNode,
+  slotMetadata: Map<string, WidgetSlotMetadata>
+): (widget: IBaseWidget) => SafeWidgetData {
+  const nodeDefStore = useNodeDefStore()
+  return function (widget) {
+    try {
+      // TODO: Use widget.getReactiveData() once TypeScript types are updated
+      let value = widget.value
+
+      // For combo widgets, if value is undefined, use the first option as default
+      if (
+        value === undefined &&
+        widget.type === 'combo' &&
+        widget.options?.values &&
+        Array.isArray(widget.options.values) &&
+        widget.options.values.length > 0
+      ) {
+        value = widget.options.values[0]
+      }
+      const spec = nodeDefStore.getInputSpecForWidget(node, widget.name)
+      const slotInfo = slotMetadata.get(widget.name)
+
+      return {
+        name: widget.name,
+        type: widget.type,
+        value: value,
+        label: widget.label,
+        options: widget.options ? { ...widget.options } : undefined,
+        callback: widget.callback,
+        spec,
+        slotMetadata: slotInfo,
+        isDOMWidget: isDOMWidget(widget)
+      }
+    } catch (error) {
+      return {
+        name: widget.name || 'unknown',
+        type: widget.type || 'text',
+        value: undefined
+      }
+    }
+  }
+}
+
+export function isValidWidgetValue(value: unknown): value is WidgetValue {
+  return (
+    value === null ||
+    value === undefined ||
+    typeof value === 'string' ||
+    typeof value === 'number' ||
+    typeof value === 'boolean' ||
+    typeof value === 'object'
+  )
+}
+
 export function useGraphNodeManager(graph: LGraph): GraphNodeManager {
   // Get layout mutations composable
   const { createNode, deleteNode, setSource } = useLayoutMutations()
-  const nodeDefStore = useNodeDefStore()
   // Safe reactive data extracted from LiteGraph nodes
   const vueNodeData = reactive(new Map<string, VueNodeData>())
 
@@ -148,45 +202,7 @@ export function useGraphNodeManager(graph: LGraph): GraphNodeManager {
           linked: input.link != null
         })
       })
-      return (
-        node.widgets?.map((widget) => {
-          try {
-            // TODO: Use widget.getReactiveData() once TypeScript types are updated
-            let value = widget.value
-
-            // For combo widgets, if value is undefined, use the first option as default
-            if (
-              value === undefined &&
-              widget.type === 'combo' &&
-              widget.options?.values &&
-              Array.isArray(widget.options.values) &&
-              widget.options.values.length > 0
-            ) {
-              value = widget.options.values[0]
-            }
-            const spec = nodeDefStore.getInputSpecForWidget(node, widget.name)
-            const slotInfo = slotMetadata.get(widget.name)
-
-            return {
-              name: widget.name,
-              type: widget.type,
-              value: value,
-              label: widget.label,
-              options: widget.options ? { ...widget.options } : undefined,
-              callback: widget.callback,
-              spec,
-              slotMetadata: slotInfo,
-              isDOMWidget: isDOMWidget(widget)
-            }
-          } catch (error) {
-            return {
-              name: widget.name || 'unknown',
-              type: widget.type || 'text',
-              value: undefined
-            }
-          }
-        }) ?? []
-      )
+      return node.widgets?.map(safeWidgetMapper(node, slotMetadata)) ?? []
     })
 
     const nodeType =

src/composables/useCoreCommands.ts

@@ -1219,6 +1219,12 @@ export function useCoreCommands(): ComfyCommand[] {
         await settingStore.set('Comfy.Assets.UseAssetAPI', !current)
         await useWorkflowService().reloadCurrentWorkflow() // ensure changes take effect immediately
       }
+    },
+    {
+      id: 'Comfy.ToggleLinear',
+      icon: 'pi pi-database',
+      label: 'toggle linear mode',
+      function: () => (canvasStore.linearMode = !canvasStore.linearMode)
     }
   ]
 

src/platform/workflow/management/stores/workflowStore.ts

@@ -13,6 +13,7 @@ import type {
   ComfyWorkflowJSON,
   NodeId
 } from '@/platform/workflow/validation/schemas/workflowSchema'
+import { useCanvasStore } from '@/renderer/core/canvas/canvasStore'
 import { useWorkflowThumbnail } from '@/renderer/core/thumbnail/useWorkflowThumbnail'
 import { api } from '@/scripts/api'
 import { app as comfyApp } from '@/scripts/app'
@@ -329,6 +330,7 @@ export const useWorkflowStore = defineStore('workflow', () => {
       tabActivationHistory.value.shift()
     }
 
+    useCanvasStore().linearMode = !!loadedWorkflow.activeState.extra?.linearMode
     return loadedWorkflow
   }
 

src/renderer/core/canvas/canvasStore.ts

@@ -40,6 +40,8 @@ export const useCanvasStore = defineStore('canvas', () => {
   // Reactive scale percentage that syncs with app.canvas.ds.scale
   const appScalePercentage = ref(100)
 
+  const linearMode = ref(false)
+
   // Set up scale synchronization when canvas is available
   let originalOnChanged: ((scale: number, offset: Point) => void) | undefined =
     undefined
@@ -138,6 +140,7 @@ export const useCanvasStore = defineStore('canvas', () => {
     groupSelected,
     rerouteSelected,
     appScalePercentage,
+    linearMode,
     updateSelectedItems,
     getCanvas,
     setAppZoomFromPercentage,

src/stores/imagePreviewStore.ts

@@ -40,6 +40,7 @@ export const useNodeOutputStore = defineStore('nodeOutput', () => {
   const { nodeIdToNodeLocatorId, nodeToNodeLocatorId } = useWorkflowStore()
   const { executionIdToNodeLocatorId } = useExecutionStore()
   const scheduledRevoke: Record<NodeLocatorId, { stop: () => void }> = {}
+  const latestOutput = ref<string[]>([])
 
   function scheduleRevoke(locator: NodeLocatorId, cb: () => void) {
     scheduledRevoke[locator]?.stop()
@@ -146,6 +147,13 @@ export const useNodeOutputStore = defineStore('nodeOutput', () => {
       }
     }
 
+    //TODO:Preview params and deduplication
+    latestOutput.value =
+      (outputs as ExecutedWsMessage['output'])?.images?.map((image) => {
+        const imgUrlPart = new URLSearchParams(image)
+        const rand = app.getRandParam()
+        return api.apiURL(`/view?${imgUrlPart}${rand}`)
+      }) ?? []
     app.nodeOutputs[nodeLocatorId] = outputs
     nodeOutputs.value[nodeLocatorId] = outputs
   }
@@ -213,6 +221,7 @@ export const useNodeOutputStore = defineStore('nodeOutput', () => {
       scheduledRevoke[nodeLocatorId].stop()
       delete scheduledRevoke[nodeLocatorId]
     }
+    latestOutput.value = previewImages
     app.nodePreviewImages[nodeLocatorId] = previewImages
     nodePreviewImages.value[nodeLocatorId] = previewImages
   }
@@ -381,6 +390,7 @@ export const useNodeOutputStore = defineStore('nodeOutput', () => {
 
     // State
     nodeOutputs,
-    nodePreviewImages
+    nodePreviewImages,
+    latestOutput
   }
 })

src/views/GraphView.vue

@@ -5,12 +5,14 @@
     <div id="comfyui-body-left" class="comfyui-body-left" />
     <div id="comfyui-body-right" class="comfyui-body-right" />
     <div
+      v-show="!linearMode"
       id="graph-canvas-container"
       ref="graphCanvasContainerRef"
       class="graph-canvas-container"
     >
       <GraphCanvas @ready="onGraphReady" />
     </div>
+    <LinearView v-if="linearMode" />
   </div>
 
   <GlobalToast />
@@ -22,6 +24,7 @@
 
 <script setup lang="ts">
 import { useEventListener } from '@vueuse/core'
+import { storeToRefs } from 'pinia'
 import type { ToastMessageOptions } from 'primevue/toast'
 import { useToast } from 'primevue/usetoast'
 import {
@@ -53,6 +56,7 @@ import { useSettingStore } from '@/platform/settings/settingStore'
 import { useTelemetry } from '@/platform/telemetry'
 import { useFrontendVersionMismatchWarning } from '@/platform/updates/common/useFrontendVersionMismatchWarning'
 import { useVersionCompatibilityStore } from '@/platform/updates/common/versionCompatibilityStore'
+import { useCanvasStore } from '@/renderer/core/canvas/canvasStore'
 import type { StatusWsMessageStatus } from '@/schemas/apiSchema'
 import { api } from '@/scripts/api'
 import { app } from '@/scripts/app'
@@ -75,6 +79,7 @@ import { useColorPaletteStore } from '@/stores/workspace/colorPaletteStore'
 import { useSidebarTabStore } from '@/stores/workspace/sidebarTabStore'
 import { useWorkspaceStore } from '@/stores/workspaceStore'
 import { electronAPI, isElectron } from '@/utils/envUtil'
+import LinearView from '@/views/LinearView.vue'
 
 setupAutoQueueHandler()
 useProgressFavicon()
@@ -89,6 +94,7 @@ const queueStore = useQueueStore()
 const assetsStore = useAssetsStore()
 const versionCompatibilityStore = useVersionCompatibilityStore()
 const graphCanvasContainerRef = ref<HTMLDivElement | null>(null)
+const { linearMode } = storeToRefs(useCanvasStore())
 
 const telemetry = useTelemetry()
 const firebaseAuthStore = useFirebaseAuthStore()