Content dependent scripted images of (multiple) choice values are now updated correctly

src/data/field/choice.cpp

@@ -234,6 +234,13 @@ void ChoiceStyle::initDependencies(Context& ctx, const Dependency& dep) const {
 		ci.second.initDependencies(ctx, dep);
 	}
 }
+void ChoiceStyle::checkContentDependencies(Context& ctx, const Dependency& dep) const {
+	Style::checkContentDependencies(ctx, dep);
+	image.initDependencies(ctx, dep);
+	FOR_EACH_CONST(ci, choice_images) {
+		ci.second.initDependencies(ctx, dep);
+	}
+}
 void ChoiceStyle::invalidate() {
 	// TODO : this is also done in update(), once should be enough
 	// Update choice images and thumbnails

src/data/field/choice.hpp

@@ -162,6 +162,7 @@ class ChoiceStyle : public Style {
 	
 	virtual int  update(Context&);
 	virtual void initDependencies(Context&, const Dependency&) const;
+	virtual void checkContentDependencies(Context&, const Dependency&) const;
 	virtual void invalidate();
 };
 

src/render/value/choice.cpp

@@ -59,6 +59,12 @@ void draw_choice_viewer(RotatedDC& dc, ValueViewer& viewer, ChoiceStyle& style,
 	if (style.render_style & RENDER_IMAGE) {
 		// draw image
 		CachedScriptableImage& img = style.image;
+		if (style.content_dependent) {
+			// re run script
+			Context& ctx = viewer.viewer.getContext();
+			ctx.setVariable(SCRIPT_VAR_input, to_script(value));
+			img.update(ctx);
+		}
 		if (img.isReady()) {
 			GeneratedImage::Options img_options;
 			get_options(dc, viewer, style, img_options);

src/render/value/multiple_choice.cpp

@@ -82,3 +82,8 @@ void MultipleChoiceValueViewer::drawChoice(RotatedDC& dc, RealPoint& pos, const
 	// next position
 	pos = move_in_direction(style().direction, pos, size, style().spacing);
 }
+
+void MultipleChoiceValueViewer::onStyleChange(int changes) {
+	if (changes & CHANGE_MASK) style().image.clearCache();
+	ValueViewer::onStyleChange(changes);
+}

src/render/value/multiple_choice.hpp

@@ -22,6 +22,7 @@ class MultipleChoiceValueViewer : public ValueViewer {
 	
 	virtual bool prepare(RotatedDC& dc);
 	virtual void draw(RotatedDC& dc);
+	virtual void onStyleChange(int);
   protected:
 	double item_height; ///< Height of a single item, or 0 if non uniform
   private: