fix(colorbar): Allow for AdvancedRenderingControls to be placed at the top or bottom of the viewport. (#5270)

extensions/cornerstone/src/components/AdvancedRenderingControls/AdvancedRenderingControls.tsx

@@ -1,6 +1,12 @@
 import { useToolbar, useViewportMousePosition } from '@ohif/core/src/hooks';
 import React, { useState, useEffect, useRef } from 'react';
 import { useViewportRendering } from '../../hooks';
+import { ButtonLocation } from '@ohif/core/src/services/ToolBarService/ToolbarService';
+
+const mouseNearControlsRanges = {
+  [ButtonLocation.TopMiddle]: { minX: 0, minY: 0, maxX: 1, maxY: 0.1 },
+  [ButtonLocation.BottomMiddle]: { minX: 0, minY: 0.9, maxX: 1, maxY: 1 },
+};
 
 function AdvancedRenderingControls({
   viewportId,
@@ -24,7 +30,7 @@ function AdvancedRenderingControls({
   });
 
   const mousePosition = useViewportMousePosition(viewportId);
-  const [isAtBottom, setIsAtBottom] = useState(false);
+  const [isMouseNearControls, setIsMouseNearControls] = useState(false);
   const [showAllIcons, setShowAllIcons] = useState(true);
   const firstMountRef = useRef(true);
   const { hasColorbar } = useViewportRendering(viewportId);
@@ -43,10 +49,11 @@ function AdvancedRenderingControls({
 
   useEffect(() => {
     if (!showAllIcons && mousePosition.isInViewport) {
-      if (mousePosition.isInBottomPercentage(10)) {
-        setIsAtBottom(true);
+      const mouseHoverLocation = mouseNearControlsRanges[location];
+      if (mousePosition.isWithinNormalizedBox(mouseHoverLocation)) {
+        setIsMouseNearControls(true);
       } else {
-        setIsAtBottom(false);
+        setIsMouseNearControls(false);
       }
     }
   }, [mousePosition, showAllIcons]);
@@ -97,7 +104,7 @@ function AdvancedRenderingControls({
 
         // Always show all icons on first mount for 3 seconds
         // After that, always show Colorbar, show others only when mouse is at bottom
-        const shouldBeVisible = showAllIcons || id === 'Colorbar' || isAtBottom;
+        const shouldBeVisible = showAllIcons || id === 'Colorbar' || isMouseNearControls;
 
         return (
           <div

extensions/cornerstone/src/components/ViewportColorbar/ViewportColorbar.tsx

@@ -27,6 +27,9 @@ type ColorbarProps = {
   numColorbars: number;
 };
 
+export const isHorizontal = (position: ColorbarPositionType): boolean =>
+  position === 'top' || position === 'bottom';
+
 /**
  * ViewportColorbar Component
  * A React wrapper for the cornerstone ViewportColorbar that adds a close button
@@ -143,8 +146,9 @@ const ViewportColorbar = memo(function ViewportColorbar({
         display: 'flex',
         alignItems: 'center',
         pointerEvents: 'auto',
-        minWidth: position === 'bottom' ? width / 2.5 : '17px',
-        minHeight: position === 'bottom' ? '20px' : numColorbars === 1 ? height / 3 : height / 4,
+        minWidth: isHorizontal(position) ? width / 2.5 : '17px',
+        minHeight: isHorizontal(position) ? '20px' : numColorbars === 1 ? height / 3 : height / 4,
+        height: '1px', // sometimes flex items with min-height need a starting point for its height calculation
         ...positionStylesFromConfig,
       }}
     ></div>

extensions/cornerstone/src/components/ViewportColorbar/ViewportColorbarsContainer.tsx

@@ -2,7 +2,7 @@ import React, { useEffect, useState, useMemo, memo, useCallback } from 'react';
 import { useSystem } from '@ohif/core';
 import { ColorbarCustomization } from '../../types/Colorbar';
 import type { ColorMapPreset } from '../../types/Colormap';
-import ViewportColorbar from './ViewportColorbar';
+import ViewportColorbar, { isHorizontal } from './ViewportColorbar';
 import useViewportRendering from '../../hooks/useViewportRendering';
 import { useViewportDisplaySets } from '../../hooks/useViewportDisplaySets';
 type ViewportColorbarsContainerProps = {
@@ -74,10 +74,8 @@ const ViewportColorbarsContainer = memo(function ViewportColorbarsContainer({
     return null;
   }
 
-  const isBottom = position === 'bottom';
-
   const isSingleViewport = viewportDisplaySets.length === 1;
-  const showFullList = isSingleViewport || !isBottom;
+  const showFullList = isSingleViewport || !isHorizontal(position);
 
   const colorbarsToUse = showFullList
     ? colorbars

platform/core/src/hooks/useViewportMousePosition.ts

@@ -2,24 +2,33 @@ import { useState, useEffect } from 'react';
 import { useViewportRef } from './useViewportRef';
 import { useViewportSize } from './useViewportSize';
 
+interface NormalizedBox {
+  minX: number;
+  minY: number;
+  maxX: number;
+  maxY: number;
+}
+
 interface MousePosition {
   x: number;
   y: number;
   isInViewport: boolean;
+  relativeX: number;
   relativeY: number; // Position as percentage from top (0-1)
-  isInBottomPercentage: (percentage: number) => boolean;
+  isWithinNormalizedBox?: (normalizedBox: NormalizedBox) => boolean;
 }
 
 function useViewportMousePosition(viewportId: string): MousePosition {
   const viewportRef = useViewportRef(viewportId);
-  const { height, clientRect } = useViewportSize(viewportId);
+  const { width, height, clientRect } = useViewportSize(viewportId);
 
   const [mousePosition, setMousePosition] = useState<MousePosition>({
     x: 0,
     y: 0,
     isInViewport: false,
     relativeY: 0,
-    isInBottomPercentage: (percentage: number) => false,
+    relativeX: 0,
+    isWithinNormalizedBox: (normalizedBox: NormalizedBox) => false,
   });
 
   useEffect(() => {
@@ -38,18 +47,25 @@ function useViewportMousePosition(viewportId: string): MousePosition {
 
       const isInViewport = x >= 0 && x <= clientRect.width && y >= 0 && y <= clientRect.height;
 
+      const relativeX = Math.max(0, Math.min(1, x / width));
       const relativeY = Math.max(0, Math.min(1, y / height));
 
-      const isInBottomPercentage = (percentage: number) => {
-        return relativeY >= 1 - percentage / 100;
+      const isWithinNormalizedBox = (normalizedBox: NormalizedBox) => {
+        return (
+          relativeX >= normalizedBox.minX &&
+          relativeX <= normalizedBox.maxX &&
+          relativeY >= normalizedBox.minY &&
+          relativeY <= normalizedBox.maxY
+        );
       };
 
       setMousePosition({
         x,
         y,
         isInViewport,
+        relativeX,
         relativeY,
-        isInBottomPercentage,
+        isWithinNormalizedBox,
       });
     };
 
@@ -58,7 +74,7 @@ function useViewportMousePosition(viewportId: string): MousePosition {
     return () => {
       document.removeEventListener('mousemove', handleMouseMove);
     };
-  }, [viewportRef, height, clientRect]);
+  }, [viewportRef, height, clientRect, width]);
 
   return mousePosition;
 }

tests/SEGHydration.spec.ts

@@ -10,6 +10,8 @@ test.beforeEach(async ({ page }) => {
 test('should hydrate SEG reports correctly', async ({ page }) => {
   await page.getByTestId('side-panel-header-right').click();
   await page.getByTestId('study-browser-thumbnail-no-image').dblclick();
+
+  await page.waitForTimeout(5000);
   await checkForScreenshot(page, page, screenShotPaths.segHydration.segPreHydration);
 
   await page.evaluate(() => {
@@ -32,5 +34,7 @@ test('should hydrate SEG reports correctly', async ({ page }) => {
   });
 
   await page.getByTestId('yes-hydrate-btn').click();
+
+  await page.waitForTimeout(5000);
   await checkForScreenshot(page, page, screenShotPaths.segHydration.segPostHydration);
 });

tests/SEGHydrationFromMPR.spec.ts

@@ -13,19 +13,23 @@ test('should properly display MPR for MR', async ({ page }) => {
   await page.getByTestId('Layout').click();
   await page.getByTestId('MPR').click();
 
+  await page.waitForTimeout(5000);
   await checkForScreenshot(page, page, screenShotPaths.segHydrationFromMPR.mprBeforeSEG);
 
   await page.getByTestId('study-browser-thumbnail-no-image').dblclick();
 
+  await page.waitForTimeout(5000);
   await checkForScreenshot(page, page, screenShotPaths.segHydrationFromMPR.mprAfterSEG);
 
   await page.getByTestId('yes-hydrate-btn').click();
 
+  await page.waitForTimeout(5000);
   await checkForScreenshot(page, page, screenShotPaths.segHydrationFromMPR.mprAfterSegHydrated);
 
   await page.getByTestId('Layout').click();
   await page.getByTestId('Axial Primary').click();
 
+  await page.waitForTimeout(5000);
   await checkForScreenshot(
     page,
     page,