Added color marking to GuiMetaDataEd for newly scraped data.

es-app/src/guis/GuiMetaDataEd.cpp

@@ -295,6 +295,14 @@ void GuiMetaDataEd::fetchDone(const ScraperSearchResult& result)
 	// Update the list with the scraped metadata values.
 	for (unsigned int i = 0; i < mEditors.size(); i++) {
 		const std::string& key = mMetaDataDecl.at(i).key;
+		if (mEditors.at(i)->getValue() != metadata->get(key)) {
+			if (key == "rating") {
+				mEditors.at(i)->setColorShift(0xDD2222FF);
+			}
+			else {
+				mEditors.at(i)->setColor(0x994444FF);
+			}
+		}
 		mEditors.at(i)->setValue(metadata->get(key));
 	}
 

es-core/src/GuiComponent.cpp

@@ -269,6 +269,11 @@ void GuiComponent::setColorShift(unsigned int color)
 	mColorShiftEnd = color;
 }
 
+unsigned int GuiComponent::getColor() const
+{
+	return mColor;
+}
+
 const Transform4x4f& GuiComponent::getTransform()
 {
 	mTransform = Transform4x4f::Identity();

es-core/src/GuiComponent.h

@@ -132,6 +132,7 @@ public:
 	virtual void setOpacity(unsigned char opacity);
 	virtual void setColor(unsigned int color);
 	virtual void setColorShift(unsigned int color);
+	virtual unsigned int getColor() const;
 
 	const Transform4x4f& getTransform();
 

es-core/src/components/ComponentList.cpp

@@ -176,8 +176,39 @@ void ComponentList::render(const Transform4x4f& parentTrans)
 		auto& entry = mEntries.at(i);
 		drawAll = !mFocused || i != (unsigned int)mCursor;
 		for (auto it = entry.data.elements.cbegin(); it != entry.data.elements.cend(); it++) {
-			if (drawAll || it->invert_when_selected)
-				it->component->render(trans);
+			if (drawAll || it->invert_when_selected) {
+				// For the row where the cursor is at, we want to remove any hue from the
+				// font color before inverting, as it would otherwise lead to an ugly
+				// inverted color (e.g. red text inverting to a green hue).
+				if (i == mCursor && it->component->getValue() != "" ) {
+					// Check if the text color is neutral.
+					unsigned int origColor = it->component->getColor();
+					unsigned char byteRed = origColor >> 24 & 0xFF;
+					unsigned char byteGreen = origColor >> 16 & 0xFF;
+					unsigned char byteBlue = origColor >> 8 & 0xFF;
+					// If it's neutral, just proceed with normal rendering.
+					if (byteRed == byteGreen && byteGreen == byteBlue) {
+						it->component->render(trans);
+					}
+					else {
+						// If there is a hue, average the brightness values to make
+						// an equivalent gray value before inverting the text.
+						// This is not the proper way to do a BW conversion as the RGB values
+						// should not be evenly distributed, but it's definitely good enough
+						// for this situation.
+						unsigned char byteAverage = (byteRed + byteGreen + byteBlue) / 3;
+						unsigned int averageColor = byteAverage << 24 | byteAverage << 16 |
+								byteAverage << 8 | 0xFF;
+						it->component->setColor(averageColor);
+						it->component->render(trans);
+						// Revert to the original color after rendering.
+						it->component->setColor(origColor);
+					}
+				}
+				else {
+					it->component->render(trans);
+				}
+			}
 			else
 				drawAfterCursor.push_back(it->component.get());
 		}

es-core/src/components/DateTimeEditComponent.h

@@ -30,6 +30,7 @@ public:
 
 	bool input(InputConfig* config, Input input) override;
 	void update(int deltaTime) override;
+	unsigned int getColor() const override { return mColor; };
 	void render(const Transform4x4f& parentTrans) override;
 	void onSizeChanged() override;
 

es-core/src/components/TextComponent.h

@@ -30,6 +30,7 @@ public:
 	void setBackgroundColor(unsigned int color);
 	void setRenderBackground(bool render);
 
+	unsigned int getColor() const override { return mColor; };
 	void render(const Transform4x4f& parentTrans) override;
 
 	std::string getValue() const override;