feat(ui): separate ca layer opacity

invokeai/frontend/web/public/locales/en.json

@@ -1536,6 +1536,7 @@
         "maskedGuidance": "Masked Guidance",
         "maskedGuidanceLayer": "$t(regionalPrompts.maskedGuidance) $t(unifiedCanvas.layer)",
         "controlNetLayer": "$t(common.controlNet) $t(unifiedCanvas.layer)",
-        "ipAdapterLayer": "$t(common.ipAdapter) $t(unifiedCanvas.layer)"
+        "ipAdapterLayer": "$t(common.ipAdapter) $t(unifiedCanvas.layer)",
+        "opacity": "Opacity"
     }
 }

invokeai/frontend/web/src/features/regionalPrompts/components/CALayerOpacity.tsx

@@ -0,0 +1,81 @@
+import {
+  CompositeNumberInput,
+  CompositeSlider,
+  Flex,
+  FormControl,
+  FormLabel,
+  IconButton,
+  Popover,
+  PopoverArrow,
+  PopoverBody,
+  PopoverContent,
+  PopoverTrigger,
+} from '@invoke-ai/ui-library';
+import { useAppDispatch } from 'app/store/storeHooks';
+import { useLayerOpacity } from 'features/regionalPrompts/hooks/layerStateHooks';
+import { layerOpacityChanged } from 'features/regionalPrompts/store/regionalPromptsSlice';
+import { memo, useCallback } from 'react';
+import { useTranslation } from 'react-i18next';
+import { PiDropHalfFill } from 'react-icons/pi';
+
+type Props = {
+  layerId: string;
+};
+
+const marks = [0, 25, 50, 75, 100];
+const formatPct = (v: number | string) => `${v} %`;
+
+const CALayerOpacity = ({ layerId }: Props) => {
+  const { t } = useTranslation();
+  const dispatch = useAppDispatch();
+  const opacity = useLayerOpacity(layerId);
+  const onChange = useCallback(
+    (v: number) => {
+      dispatch(layerOpacityChanged({ layerId, opacity: v / 100 }));
+    },
+    [dispatch, layerId]
+  );
+  return (
+    <Popover isLazy>
+      <PopoverTrigger>
+        <IconButton
+          aria-label={t('regionalPrompts.opacity')}
+          size="sm"
+          icon={<PiDropHalfFill size={16} />}
+          variant="ghost"
+        />
+      </PopoverTrigger>
+      <PopoverContent>
+        <PopoverArrow />
+        <PopoverBody>
+          <Flex direction="column" gap={2}>
+            <FormControl orientation="horizontal" minW={96}>
+              <FormLabel m={0}>{t('regionalPrompts.opacity')}</FormLabel>
+              <CompositeSlider
+                min={0}
+                max={100}
+                step={1}
+                value={opacity}
+                defaultValue={100}
+                onChange={onChange}
+                marks={marks}
+              />
+              <CompositeNumberInput
+                min={0}
+                max={100}
+                step={1}
+                value={opacity}
+                defaultValue={100}
+                onChange={onChange}
+                minW={24}
+                format={formatPct}
+              />
+            </FormControl>
+          </Flex>
+        </PopoverBody>
+      </PopoverContent>
+    </Popover>
+  );
+};
+
+export default memo(CALayerOpacity);

invokeai/frontend/web/src/features/regionalPrompts/components/ControlAdapterLayerListItem.tsx

@@ -1,6 +1,7 @@
 import { Flex, Spacer } from '@invoke-ai/ui-library';
 import { createMemoizedSelector } from 'app/store/createMemoizedSelector';
 import { useAppDispatch, useAppSelector } from 'app/store/storeHooks';
+import CALayerOpacity from 'features/regionalPrompts/components/CALayerOpacity';
 import ControlAdapterLayerConfig from 'features/regionalPrompts/components/controlAdapterOverrides/ControlAdapterLayerConfig';
 import { LayerTitle } from 'features/regionalPrompts/components/LayerTitle';
 import { RPLayerDeleteButton } from 'features/regionalPrompts/components/RPLayerDeleteButton';
@@ -52,6 +53,7 @@ export const ControlAdapterLayerListItem = memo(({ layerId }: Props) => {
           <RPLayerVisibilityToggle layerId={layerId} />
           <LayerTitle type="control_adapter_layer" />
           <Spacer />
+          <CALayerOpacity layerId={layerId} />
           <RPLayerMenu layerId={layerId} />
           <RPLayerDeleteButton layerId={layerId} />
         </Flex>

invokeai/frontend/web/src/features/regionalPrompts/hooks/layerStateHooks.ts

@@ -1,6 +1,10 @@
 import { createSelector } from '@reduxjs/toolkit';
 import { useAppSelector } from 'app/store/storeHooks';
-import { isMaskedGuidanceLayer, selectRegionalPromptsSlice } from 'features/regionalPrompts/store/regionalPromptsSlice';
+import {
+  isControlAdapterLayer,
+  isMaskedGuidanceLayer,
+  selectRegionalPromptsSlice,
+} from 'features/regionalPrompts/store/regionalPromptsSlice';
 import { useMemo } from 'react';
 import { assert } from 'tsafe';
 
@@ -61,3 +65,17 @@ export const useLayerType = (layerId: string) => {
   const type = useAppSelector(selectLayer);
   return type;
 };
+
+export const useLayerOpacity = (layerId: string) => {
+  const selectLayer = useMemo(
+    () =>
+      createSelector(selectRegionalPromptsSlice, (regionalPrompts) => {
+        const layer = regionalPrompts.present.layers.filter(isControlAdapterLayer).find((l) => l.id === layerId);
+        assert(layer, `Layer ${layerId} not found`);
+        return Math.round(layer.opacity * 100);
+      }),
+    [layerId]
+  );
+  const opacity = useAppSelector(selectLayer);
+  return opacity;
+};