undo/redo for edit personality

rsrc/dialogs/confirm-edit-personality.xml

@@ -0,0 +1,12 @@
+<?xml version='1.0' encoding='UTF-8' standalone='no'?>
+<!-- NOTE: This file should be updated to use relative positioning the next time it changes. -->
+<?xml-stylesheet href="dialog.xsl" type="text/xsl"?>
+<dialog defbtn='keep' escbtn='cancel'>
+	<pict type='dlog' num='7' top='6' left='6'/>
+	<text name='keep-msg' top='6' left='49' width='256' height='32'>
+		Keep changes to {{name}} before editing another personality?
+	</text>
+	<button name='cancel' type='regular' top='43' left='109'>Cancel</button>
+	<button name='revert' type='regular' top='43' left='175'>Discard</button>
+	<button name='keep' type='regular' top='43' left='240'>Keep</button>
+</dialog>

src/scenario/talking.hpp

@@ -20,8 +20,19 @@ namespace legacy {
 
 class cPersonality {
 public:
+	// This is the character's name.
 	std::string title;
+	// name is how the character responds when asked about it
 	std::string look, name, job, dunno;
+	bool operator==(const cPersonality& other) const {
+		CHECK_EQ(other, title);
+		CHECK_EQ(other, look);
+		CHECK_EQ(other, name);
+		CHECK_EQ(other, job);
+		CHECK_EQ(other, dunno);
+		return true;
+	}
+	bool operator!=(const cPersonality& other) const { return !(*this == other); }
 };
 
 // This is used solely for porting old shops

src/scenedit/scen.townout.cpp

@@ -1163,13 +1163,37 @@ void edit_town_wand() {
 	wand_dlg.run();
 }
 
-static void save_basic_dlog(cDialog& me, short& which) {
+// return true if the left/right buttons can continue their shift
+bool save_basic_dlog(cDialog& me, short& which, bool need_confirm) {
 	auto& the_node = town->talking.people[which];
-	the_node.title = me["title"].getText().substr(0,30);
-	the_node.dunno = me["dunno"].getText();
-	the_node.look = me["look"].getText();
-	the_node.name = me["name"].getText();
-	the_node.job = me["job"].getText();
+
+	auto new_node = the_node;
+	new_node.title = me["title"].getText().substr(0,30);
+	new_node.dunno = me["dunno"].getText();
+	new_node.look = me["look"].getText();
+	new_node.name = me["name"].getText();
+	new_node.job = me["job"].getText();
+
+	if(new_node != the_node){
+		if(need_confirm){
+			cChoiceDlog dlog("confirm-edit-personality", {"keep","revert","cancel"}, &me);
+			dlog->getControl("keep-msg").replaceText("{{name}}", new_node.title);
+			std::string choice = dlog.show();
+			if(choice == "cancel"){
+				// Can't shift left/right
+				return false;
+			}else if(choice == "revert"){
+				// Shift left/right without saving
+				return true;
+			}
+		}
+
+		// We update the edit menu after all editing is done
+		undo_list.add(action_ptr(new aEditPersonality(cur_town, which, the_node, new_node)));
+		the_node = new_node;
+	}
+
+	return true;
 }
 
 static void put_basic_dlog_in_dlog(cDialog& me, const short which) {
@@ -1183,14 +1207,19 @@ static void put_basic_dlog_in_dlog(cDialog& me, const short which) {
 }
 
 static bool edit_basic_dlog_event_filter(cDialog& me, std::string hit, short& which) {
-	save_basic_dlog(me, which);
+	// There are no focus handlers right now, but there could be.
+	if(!me.toast(true)) return true;
+	if(hit != "okay") me.untoast();
+
 	if(hit == "okay")
-		me.toast(true);
+		save_basic_dlog(me, which, false);
 	else if(hit == "left") {
+		if(!save_basic_dlog(me, which, true)) return true;
 		which--;
 		if(which < 0) which = 9;
 		put_basic_dlog_in_dlog(me, which);
 	} else if(hit == "right") {
+		if(!save_basic_dlog(me, which, true)) return true;
 		which++;
 		if(which > 9) which = 0;
 		put_basic_dlog_in_dlog(me, which);
@@ -1208,6 +1237,7 @@ void edit_basic_dlog(short personality) {
 	put_basic_dlog_in_dlog(person_dlg, personality);
 	
 	person_dlg.run();
+	update_edit_menu();
 }
 
 static bool check_talk_personality(cDialog& me, std::string item_hit, bool losing) {

src/scenedit/scen.undo.cpp

@@ -997,3 +997,13 @@ bool aEditOutEncounter::redo_me() {
 	if(mode == 0) outdoors.wandering_locs[which] = new_loc;
 	return true;
 }
+
+bool aEditPersonality::undo_me() {
+	scenario.towns[town_num]->talking.people[which] = old_pers;
+	return true;
+}
+
+bool aEditPersonality::redo_me() {
+	scenario.towns[town_num]->talking.people[which] = new_pers;
+	return true;
+}

src/scenedit/scen.undo.hpp

@@ -662,4 +662,16 @@ public:
 		out_sec(out_sec), mode(1), which(which), old_enc(old_enc), new_enc(new_enc) {}
 };
 
+class aEditPersonality : public cAction {
+	size_t town_num;
+	size_t which;
+	cPersonality old_pers;
+	cPersonality new_pers;
+	bool undo_me() override;
+	bool redo_me() override;
+public:
+	aEditPersonality(size_t town_num, size_t which, cPersonality old_pers, cPersonality new_pers) :
+		cAction("Edit Personality"), town_num(town_num), which(which), old_pers(old_pers), new_pers(new_pers) {}
+};
+
 #endif