QVariant data(const QModelIndex &parent, int role) const override;
QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
- void add_clip(int64_t pts_in);
+ void add_clip(const Clip &clip);
size_t size() const { return clips.size(); }
+ bool empty() const { return clips.empty(); }
+
+ // Like a smart pointer to a Clip, but emits dataChanged when it goes out of scope.
+ struct ClipProxy {
+ public:
+ ClipProxy(Clip &clip, ClipList *clip_list, size_t row)
+ : clip(clip), clip_list(clip_list), row(row) {}
+ ~ClipProxy() {
+ if (clip_list != nullptr) {
+ clip_list->emit_data_changed(row);
+ }
+ }
+ Clip *operator->() { return &clip; }
+ Clip &operator*() { return clip; }
+
+ private:
+ Clip &clip;
+ ClipList *clip_list;
+ size_t row;
+ };
+
+ ClipProxy clip(size_t index) { return ClipProxy(clips[index], this, index); }
+ const Clip *clip(size_t index) const { return &clips[index]; }
+
+ ClipProxy back() { return clip(size() - 1); }
+ const Clip *back() const { return clip(size() - 1); }
+
+ void emit_data_changed(size_t row);
private:
std::vector<Clip> clips;