move custom_choice_dialog into shared code

src/dialogxml/dialogs/3choice.cpp

@@ -14,6 +14,7 @@
 #include "mathutil.hpp"
 #include "dialogxml/widgets/message.hpp"
 #include "dialogxml/widgets/pict.hpp"
+#include "tools/cursors.hpp"
 
 cThreeChoice::cThreeChoice
   (std::vector<std::string>& strings, cBasicButtonType button, pic_num_t pic, ePicType t, cDialog* parent)
@@ -171,3 +172,24 @@ std::string cThreeChoice::show(){
 	else if(result == "btn3") return btns[2]->label;
 	return "**ERROR**"; // shouldn't be reached
 }
+
+short custom_choice_dialog(std::array<std::string, 6>& strs,short pic_num,ePicType pic_type,std::array<short, 3>& buttons,bool anim_pict,short anim_loops, int anim_fps) {
+	set_cursor(sword_curs);
+
+	std::vector<std::string> vec(strs.begin(), strs.end());
+	// Strip off trailing empty strings
+	while(!vec.empty() && vec.back().empty())
+		vec.pop_back();
+	cThreeChoice customDialog(vec, buttons, pic_num, pic_type);
+	if(anim_pict)
+		setup_dialog_pict_anim(*(customDialog.operator->()), "pict", anim_loops, anim_fps);
+
+	std::string item_hit = customDialog.show();
+
+	for(int i = 0; i < 3; i++) {
+		auto& btn = basic_buttons[buttons[i]];
+		if(item_hit == btn.label)
+			return i + 1;
+	}
+	return -1;
+}

src/dialogxml/dialogs/3choice.hpp

@@ -73,4 +73,6 @@ public:
 	std::string show();
 };
 
+short custom_choice_dialog(std::array<std::string, 6>& strs,short pic_num,ePicType pic_type,std::array<short, 3>& buttons, bool anim_pict = false, short anim_loops = -1, int anim_fps = -1);
+
 #endif

src/dialogxml/dialogs/dialog.cpp

@@ -1279,3 +1279,10 @@ void preview_dialog_xml(fs::path dialog_xml) {
 sf::Color cParentless::getDefTextClr() const {
 	return cDialog::defaultBackground == cDialog::BG_DARK ? sf::Color::White : sf::Color::Black;
 }
+
+void setup_dialog_pict_anim(cDialog& dialog, std::string pict_id, short anim_loops, short anim_fps) {
+	cPict& pict = dynamic_cast<cPict&>(dialog[pict_id]);
+	pict.setAnimLoops(anim_loops);
+	dialog.setAnimPictFPS(anim_fps);
+	dialog.setDoAnimations(true);
+}

src/dialogxml/dialogs/dialog.hpp

@@ -381,14 +381,7 @@ public:
 	const char* what() const throw();
 };
 
-//// This needs cControl to be complete.
-///// @note You need to include control.hpp to use this.
-//template<eDlogEvt t> void cDialog::attachEventHandlers(typename event_fcn<t>::type handler, const std::vector<std::string>& controls) {
-//	cDialog& me = *this;
-//	for(std::string control : controls) {
-//		me[control].attachEventHandler<t>(handler);
-//	}
-//}
+void setup_dialog_pict_anim(cDialog& dialog, std::string pict_id, short anim_loops, short anim_fps);
 
 // For development/debugging only.
 void preview_dialog_xml(fs::path dialog_xml);