comparison: src/model.h
src/model.h
- changeset 250
- 2837b549e616
- parent 249
- 37d3c819cafa
- child 251
- 94b0a30a1886
equal
deleted
inserted
replaced
| 249:37d3c819cafa | 250:2837b549e616 |
|---|---|
| 196 { | 196 { |
| 197 std::int32_t value; | 197 std::int32_t value; |
| 198 constexpr auto operator<=>(const ModelId& other) const = default; | 198 constexpr auto operator<=>(const ModelId& other) const = default; |
| 199 }; | 199 }; |
| 200 | 200 |
| 201 constexpr int qHash(ModelId id) | 201 constexpr unsigned int qHash(ModelId id) |
| 202 { | 202 { |
| 203 return qHash(id.value); | 203 return qHash(id.value); |
| 204 } | 204 } |
| 205 | 205 |
| 206 class Model : public QAbstractListModel | 206 class Model : public QAbstractListModel |
| 209 struct Entry { | 209 struct Entry { |
| 210 ModelElement data; | 210 ModelElement data; |
| 211 ModelId id; | 211 ModelId id; |
| 212 }; | 212 }; |
| 213 std::vector<Entry> body; | 213 std::vector<Entry> body; |
| 214 std::map<ModelId, int> positions; | 214 std::map<ModelId, std::size_t> positions; |
| 215 ModelId runningId = {1}; | 215 ModelId runningId = {1}; |
| 216 public: | 216 public: |
| 217 Model(QObject* parent); | 217 Model(QObject* parent); |
| 218 virtual ~Model(); | 218 virtual ~Model(); |
| 219 ModelId append(const ModelElement& value); | 219 ModelId append(const ModelElement& value); |
| 220 const ModelElement& at(int position) const; | 220 const ModelElement& at(std::size_t position) const; |
| 221 ModelId idAt(int position) const; | 221 ModelId idAt(std::size_t position) const; |
| 222 void assignAt(int position, const ModelElement& element); | 222 void assignAt(std::size_t position, const ModelElement& element); |
| 223 std::optional<int> find(ModelId id) const; | 223 std::optional<int> find(ModelId id) const; |
| 224 void remove(int index); | 224 void remove(std::size_t index); |
| 225 int rowCount(const QModelIndex&) const override; | 225 int rowCount(const QModelIndex&) const override; |
| 226 QVariant data(const QModelIndex& index, int role) const override; | 226 QVariant data(const QModelIndex& index, int role) const override; |
| 227 const ModelElement& operator[](int index) const; | 227 const ModelElement& operator[](std::size_t index) const; |
| 228 int size() const; | 228 std::size_t size() const; |
| 229 auto operator[](int index) { | 229 auto operator[](const std::size_t index) { |
| 230 struct { | 230 struct { |
| 231 Model& model; | 231 Model& model; |
| 232 int index; | 232 const std::size_t index; |
| 233 operator const ModelElement&() { | 233 operator const ModelElement&() { |
| 234 return model.at(index); | 234 return model.at(index); |
| 235 } | 235 } |
| 236 auto& operator=(const ModelElement& newData) { | 236 auto& operator=(const ModelElement& newData) { |
| 237 model.assignAt(index, newData); | 237 model.assignAt(index, newData); |
| 249 void updateHeaderNameField(Model& model, const QString &name); | 249 void updateHeaderNameField(Model& model, const QString &name); |
| 250 | 250 |
| 251 template<typename T> | 251 template<typename T> |
| 252 void iterate(const Model& model, std::function<void(const T&)> fn) | 252 void iterate(const Model& model, std::function<void(const T&)> fn) |
| 253 { | 253 { |
| 254 for (int i = 0; i < model.size(); ++i) { | 254 for (std::size_t i = 0; i < model.size(); ++i) { |
| 255 if (std::holds_alternative<T>(model[i])) { | 255 if (std::holds_alternative<T>(model[i])) { |
| 256 fn(std::get<T>(model[i])); | 256 fn(std::get<T>(model[i])); |
| 257 } | 257 } |
| 258 } | 258 } |
| 259 } | 259 } |
