Fix large string dialogs not wrapping text and expanding to crazy widths

src/dialogxml/dialogs/3choice.cpp

@@ -86,6 +86,7 @@ void cThreeChoice::init_strings(std::vector<std::string>& strings, unsigned shor
 		cur_text_rect.bottom = cur_text_rect.top + str_height;
 		cTextMsg* str = new cTextMsg(*me);
 		str->setText(strings[j]);
+		str->setFixed(true, false);
 		me->add(str, cur_text_rect, sout.str());
 		cur_text_rect.top = cur_text_rect.bottom + 8;
 	}

src/dialogxml/widgets/message.cpp

@@ -90,6 +90,11 @@ void cTextMsg::validatePostParse(ticpp::Element& who, std::string fname, const s
 	if(attrs.count("height")) fixedHeight = true;
 }
 
+void cTextMsg::setFixed(bool w, bool h) {
+	fixedWidth = w;
+	fixedHeight = h;
+}
+
 void cTextMsg::recalcRect() {
 	if(fixedWidth && fixedHeight) return;
 	TextStyle style;

src/dialogxml/widgets/message.hpp

@@ -36,6 +36,7 @@ public:
 	bool isClickable() override;
 	bool isFocusable() override;
 	bool isScrollable() override;
+	void setFixed(bool w, bool h);
 	virtual ~cTextMsg();
 	void draw() override;
 	void recalcRect() override;