diff options
Diffstat (limited to 'src/UndoHistory.h')
| -rw-r--r-- | src/UndoHistory.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/UndoHistory.h b/src/UndoHistory.h index 03bea3de3..ab8c24250 100644 --- a/src/UndoHistory.h +++ b/src/UndoHistory.h @@ -67,6 +67,8 @@ public: [[nodiscard]] const char *TextAt(size_t position) const noexcept; }; +constexpr int coalesceFlag = 0x100; + /** * */ @@ -78,6 +80,8 @@ class UndoHistory { int tentativePoint = -1; std::optional<int> detach; std::unique_ptr<ScrapStack> scraps; + struct actPos { int act; size_t position; }; + std::optional<actPos> memory; int PreviousAction() const noexcept; @@ -92,8 +96,12 @@ public: void DropUndoSequence() noexcept; void DeleteUndoHistory() noexcept; + [[nodiscard]] int Actions() const noexcept; + /// The save point is a marker in the undo stack where the container has stated that /// the buffer was saved. Undo and redo can move over the save point. + void SetSavePoint(int action) noexcept; + [[nodiscard]] int SavePoint() const noexcept; void SetSavePoint() noexcept; bool IsSavePoint() const noexcept; bool BeforeSavePoint() const noexcept; @@ -103,7 +111,17 @@ public: bool AfterDetachPoint() const noexcept; bool AfterOrAtDetachPoint() const noexcept; + void SetCurrent(int action) noexcept; + [[nodiscard]] int Current() const noexcept; + [[nodiscard]] int Type(int action) const noexcept; + [[nodiscard]] Sci::Position Position(int action) const noexcept; + [[nodiscard]] std::string_view Text(int action) noexcept; + void PushUndoActionType(int type, Sci::Position position); + void ChangeLastUndoActionText(size_t length, const char *text); + // Tentative actions are used for input composition so that it can be undone cleanly + void SetTentative(int action) noexcept; + [[nodiscard]] int TentativePoint() const noexcept; void TentativeStart() noexcept; void TentativeCommit() noexcept; bool TentativeActive() const noexcept; |