LeechCraft  0.6.70-10870-g558588d6ec
Modular cross-platform feature rich live environment.
modeliterator.h
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29 
30 #pragma once
31 
32 #include <QModelIndex>
33 #include "modelsconfig.h"
34 
35 namespace LeechCraft
36 {
37 namespace Util
38 {
54  {
55  QAbstractItemModel * const Model_;
56  const QModelIndex Parent_;
57 
58  int Row_;
59  int Col_;
60  public:
63  enum class Direction
64  {
69  Rows,
70 
75  Cols
76  };
77  private:
78  const Direction Dir_;
79  public:
88  ModelIterator (QAbstractItemModel *model, int row, int col = 0,
89  Direction dir = Direction::Rows, const QModelIndex& parent = {});
90 
96  ModelIterator& operator++ ();
97 
103  ModelIterator operator++ (int);
104 
110  ModelIterator& operator-- ();
111 
117  ModelIterator operator-- (int);
118 
124  ModelIterator& operator+= (int count);
125 
132  ModelIterator& operator-= (int count);
133 
146  int operator- (const ModelIterator& other) const;
147 
158  friend UTIL_MODELS_API bool operator== (const ModelIterator& left, const ModelIterator& right);
159 
170  friend UTIL_MODELS_API bool operator!= (const ModelIterator& left, const ModelIterator& right);
171 
177  QModelIndex operator* () const;
178 
185  int GetRow () const;
186 
193  int GetCol () const;
194  private:
195  int& GetIncrementable ();
196  int GetIncrementable () const;
197  };
198 }
199 }
200 
201 namespace std
202 {
203  template<>
204  struct iterator_traits<LeechCraft::Util::ModelIterator>
205  {
206  typedef QModelIndex value_type;
207  typedef int difference_type;
208 
209  typedef random_access_iterator_tag iterator_category;
210  };
211 }
constexpr detail::AggregateType< detail::AggregateFunction::Count > count
Definition: oral.h:936
bool operator!=(const ModelIterator &left, const ModelIterator &right)
auto operator*(const AF &af, const AV &av) -> decltype(GSL(af, av))
Definition: applicative.h:63
STL namespace.
bool operator==(const ModelIterator &left, const ModelIterator &right)
Direction
The direction of traversal.
Definition: modeliterator.h:63
#define UTIL_MODELS_API
Definition: modelsconfig.h:37
Provides an iterator-based API to a Qt model.
Definition: modeliterator.h:53