feat(ui): display canvas generation mode in status text

- use the existing logic to determine if generation is txt2img, img2img, inpaint or outpaint
- technically `outpaint` and `inpaint` are the same, just display
"Inpaint" if its either
- debounce this by 1s to prevent jank

invokeai/frontend/web/src/app/store/middleware/listenerMiddleware/listeners/userInvokedCanvas.ts

@@ -40,7 +40,7 @@ export const addUserInvokedCanvasListener = () => {
       const state = getState();
 
       // Build canvas blobs
-      const canvasBlobsAndImageData = await getCanvasData(state);
+      const canvasBlobsAndImageData = await getCanvasData(state.canvas);
 
       if (!canvasBlobsAndImageData) {
         log.error('Unable to create canvas data');

invokeai/frontend/web/src/features/canvas/components/IAICanvasStatusText.tsx

@@ -2,8 +2,8 @@ import { Box, Flex } from '@chakra-ui/react';
 import { createSelector } from '@reduxjs/toolkit';
 import { useAppSelector } from 'app/store/storeHooks';
 import { canvasSelector } from 'features/canvas/store/canvasSelectors';
+import GenerationModeStatusText from 'features/parameters/components/Parameters/Canvas/GenerationModeStatusText';
 import { isEqual } from 'lodash-es';
-
 import { useTranslation } from 'react-i18next';
 import roundToHundreth from '../util/roundToHundreth';
 import IAICanvasStatusTextCursorPos from './IAICanvasStatusText/IAICanvasStatusTextCursorPos';
@@ -110,6 +110,7 @@ const IAICanvasStatusText = () => {
         },
       }}
     >
+      <GenerationModeStatusText />
       <Box
         style={{
           color: activeLayerColor,

invokeai/frontend/web/src/features/canvas/components/IAICanvasToolbar/IAICanvasToolbar.tsx

@@ -2,7 +2,15 @@ import { Box, ButtonGroup, Flex } from '@chakra-ui/react';
 import { createSelector } from '@reduxjs/toolkit';
 import { useAppDispatch, useAppSelector } from 'app/store/storeHooks';
 import IAIIconButton from 'common/components/IAIIconButton';
+import IAIMantineSelect from 'common/components/IAIMantineSelect';
+import { useImageUploadButton } from 'common/hooks/useImageUploadButton';
 import { useSingleAndDoubleClick } from 'common/hooks/useSingleAndDoubleClick';
+import {
+  canvasCopiedToClipboard,
+  canvasDownloadedAsImage,
+  canvasMerged,
+  canvasSavedToGallery,
+} from 'features/canvas/store/actions';
 import {
   canvasSelector,
   isStagingSelector,
@@ -21,16 +29,8 @@ import {
 } from 'features/canvas/store/canvasTypes';
 import { getCanvasBaseLayer } from 'features/canvas/util/konvaInstanceProvider';
 import { systemSelector } from 'features/system/store/systemSelectors';
+import { useCopyImageToClipboard } from 'features/ui/hooks/useCopyImageToClipboard';
 import { isEqual } from 'lodash-es';
-
-import IAIMantineSearchableSelect from 'common/components/IAIMantineSearchableSelect';
-import { useImageUploadButton } from 'common/hooks/useImageUploadButton';
-import {
-  canvasCopiedToClipboard,
-  canvasDownloadedAsImage,
-  canvasMerged,
-  canvasSavedToGallery,
-} from 'features/canvas/store/actions';
 import { useHotkeys } from 'react-hotkeys-hook';
 import { useTranslation } from 'react-i18next';
 import {
@@ -48,7 +48,6 @@ import IAICanvasRedoButton from './IAICanvasRedoButton';
 import IAICanvasSettingsButtonPopover from './IAICanvasSettingsButtonPopover';
 import IAICanvasToolChooserOptions from './IAICanvasToolChooserOptions';
 import IAICanvasUndoButton from './IAICanvasUndoButton';
-import { useCopyImageToClipboard } from 'features/ui/hooks/useCopyImageToClipboard';
 
 export const selector = createSelector(
   [systemSelector, canvasSelector, isStagingSelector],
@@ -220,7 +219,7 @@ const IAICanvasToolbar = () => {
       }}
     >
       <Box w={24}>
-        <IAIMantineSearchableSelect
+        <IAIMantineSelect
           tooltip={`${t('unifiedCanvas.layer')} (Q)`}
           value={layer}
           data={LAYER_NAMES_DICT}

invokeai/frontend/web/src/features/canvas/store/canvasSlice.ts

@@ -30,6 +30,7 @@ import {
   CanvasState,
   CanvasTool,
   Dimensions,
+  GenerationMode,
   isCanvasAnyLine,
   isCanvasBaseImage,
   isCanvasMaskLine,
@@ -858,6 +859,9 @@ export const canvasSlice = createSlice({
       state.isMovingBoundingBox = false;
       state.isTransformingBoundingBox = false;
     },
+    generationModeChanged: (state, action: PayloadAction<GenerationMode>) => {
+      state.generationMode = action.payload;
+    },
   },
   extraReducers: (builder) => {
     builder.addCase(sessionCanceled.pending, (state) => {
@@ -955,6 +959,7 @@ export const {
   stagingAreaInitialized,
   canvasSessionIdChanged,
   setShouldAntialias,
+  generationModeChanged,
 } = canvasSlice.actions;
 
 export default canvasSlice.reducer;

invokeai/frontend/web/src/features/canvas/store/canvasTypes.ts

@@ -168,4 +168,7 @@ export interface CanvasState {
   stageDimensions: Dimensions;
   stageScale: number;
   tool: CanvasTool;
+  generationMode?: GenerationMode;
 }
+
+export type GenerationMode = 'txt2img' | 'img2img' | 'inpaint' | 'outpaint';

invokeai/frontend/web/src/features/canvas/util/getCanvasData.ts

@@ -1,6 +1,5 @@
 import { logger } from 'app/logging/logger';
-import { RootState } from 'app/store/store';
-import { isCanvasMaskLine } from '../store/canvasTypes';
+import { CanvasState, isCanvasMaskLine } from '../store/canvasTypes';
 import createMaskStage from './createMaskStage';
 import { getCanvasBaseLayer, getCanvasStage } from './konvaInstanceProvider';
 import { konvaNodeToBlob } from './konvaNodeToBlob';
@@ -9,7 +8,7 @@ import { konvaNodeToImageData } from './konvaNodeToImageData';
 /**
  * Gets Blob and ImageData objects for the base and mask layers
  */
-export const getCanvasData = async (state: RootState) => {
+export const getCanvasData = async (canvasState: CanvasState) => {
   const log = logger('canvas');
 
   const canvasBaseLayer = getCanvasBaseLayer();
@@ -26,7 +25,7 @@ export const getCanvasData = async (state: RootState) => {
     boundingBoxDimensions,
     isMaskEnabled,
     shouldPreserveMaskedArea,
-  } = state.canvas;
+  } = canvasState;
 
   const boundingBox = {
     ...boundingBoxCoordinates,

invokeai/frontend/web/src/features/canvas/util/getCanvasGenerationMode.ts

@@ -2,11 +2,12 @@ import {
   areAnyPixelsBlack,
   getImageDataTransparency,
 } from 'common/util/arrayBuffer';
+import { GenerationMode } from '../store/canvasTypes';
 
 export const getCanvasGenerationMode = (
   baseImageData: ImageData,
   maskImageData: ImageData
-) => {
+): GenerationMode => {
   const {
     isPartiallyTransparent: baseIsPartiallyTransparent,
     isFullyTransparent: baseIsFullyTransparent,

invokeai/frontend/web/src/features/parameters/components/Parameters/Canvas/GenerationModeStatusText.tsx

@@ -0,0 +1,55 @@
+import { Box } from '@chakra-ui/react';
+import { useAppDispatch, useAppSelector } from 'app/store/storeHooks';
+import { generationModeChanged } from 'features/canvas/store/canvasSlice';
+import { getCanvasData } from 'features/canvas/util/getCanvasData';
+import { getCanvasGenerationMode } from 'features/canvas/util/getCanvasGenerationMode';
+import { useDebounce } from 'react-use';
+
+const GENERATION_MODE_NAME_MAP = {
+  txt2img: 'Text to Image',
+  img2img: 'Image to Image',
+  inpaint: 'Inpaint',
+  outpaint: 'Inpaint',
+};
+
+export const useGenerationMode = () => {
+  const dispatch = useAppDispatch();
+  const canvasState = useAppSelector((state) => state.canvas);
+
+  useDebounce(
+    async () => {
+      // Build canvas blobs
+      const canvasBlobsAndImageData = await getCanvasData(canvasState);
+
+      if (!canvasBlobsAndImageData) {
+        return;
+      }
+
+      const { baseImageData, maskImageData } = canvasBlobsAndImageData;
+
+      // Determine the generation mode
+      const generationMode = getCanvasGenerationMode(
+        baseImageData,
+        maskImageData
+      );
+
+      dispatch(generationModeChanged(generationMode));
+    },
+    1000,
+    [dispatch, canvasState, generationModeChanged]
+  );
+};
+
+const GenerationModeStatusText = () => {
+  const generationMode = useAppSelector((state) => state.canvas.generationMode);
+
+  useGenerationMode();
+
+  return (
+    <Box>
+      Mode: {generationMode ? GENERATION_MODE_NAME_MAP[generationMode] : '...'}
+    </Box>
+  );
+};
+
+export default GenerationModeStatusText;