Qt: Use latest cheat set for set properties

src/gba/cheats.c

@@ -724,12 +724,7 @@ bool GBACheatParseFile(struct GBACheatDevice* device, struct VFile* vf) {
 				GBACheatAddSet(device, set);
 			}
 			if (set && !reset) {
-				newSet->gsaVersion = set->gsaVersion;
+				GBACheatSetCopyProperties(newSet, set);
-				memcpy(newSet->gsaSeeds, set->gsaSeeds, sizeof(newSet->gsaSeeds));
-				if (set->hook) {
-					newSet->hook = set->hook;
-					++newSet->hook->refs;
-				}
 			} else {
 				_setGameSharkVersion(newSet, gsaVersion);
 			}
@@ -935,6 +930,21 @@ void GBACheatRefresh(struct GBACheatDevice* device, struct GBACheatSet* cheats)
 	}
 }
 
+void GBACheatSetCopyProperties(struct GBACheatSet* newSet, struct GBACheatSet* set) {
+	newSet->gsaVersion = set->gsaVersion;
+	memcpy(newSet->gsaSeeds, set->gsaSeeds, sizeof(newSet->gsaSeeds));
+	if (set->hook) {
+		if (newSet->hook) {
+			--newSet->hook->refs;
+			if (newSet->hook->refs == 0) {
+				free(newSet->hook);
+			}
+		}
+		newSet->hook = set->hook;
+		++newSet->hook->refs;
+	}
+}
+
 void GBACheatDeviceInit(struct ARMCore* cpu, struct ARMComponent* component) {
 	struct GBACheatDevice* device = (struct GBACheatDevice*) component;
 	device->p = (struct GBA*) cpu->master;

src/gba/cheats.h

@@ -188,6 +188,7 @@ void GBACheatAttachDevice(struct GBA* gba, struct GBACheatDevice*);
 
 void GBACheatAddSet(struct GBACheatDevice*, struct GBACheatSet*);
 void GBACheatRemoveSet(struct GBACheatDevice*, struct GBACheatSet*);
+void GBACheatSetCopyProperties(struct GBACheatSet* newSet, struct GBACheatSet* set);
 
 bool GBACheatAddCodeBreaker(struct GBACheatSet*, uint32_t op1, uint16_t op2);
 bool GBACheatAddCodeBreakerLine(struct GBACheatSet*, const char* line);

src/platform/qt/CheatsModel.cpp

@@ -222,6 +222,10 @@ void CheatsModel::saveFile(const QString& path) {
 
 void CheatsModel::addSet(GBACheatSet* set) {
 	beginInsertRows(QModelIndex(), GBACheatSetsSize(&m_device->cheats), GBACheatSetsSize(&m_device->cheats));
+	size_t size = GBACheatSetsSize(&m_device->cheats);
+	if (size) {
+		GBACheatSetCopyProperties(set, *GBACheatSetsGetPointer(&m_device->cheats, size - 1));
+	}
 	GBACheatAddSet(m_device, set);
 	endInsertRows();
 }