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authorNeil <nyamatongwe@gmail.com>2024-02-15 14:17:08 +1100
committerNeil <nyamatongwe@gmail.com>2024-02-15 14:17:08 +1100
commit38d2856d341358bf9c691157ae0ca2e8960e35df (patch)
treea1a187630421e954b65181bb2d2fb4a58d2549ff /src/UndoHistory.h
parenta6a2fe933e0103464c1a357f987ad10e3bcf6622 (diff)
downloadscintilla-mirror-38d2856d341358bf9c691157ae0ca2e8960e35df.tar.gz
Perform validation of undo state when SCI_SETUNDOCURRENT called, setting status
when invalid.
Diffstat (limited to 'src/UndoHistory.h')
-rw-r--r--src/UndoHistory.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/UndoHistory.h b/src/UndoHistory.h
index 1186a1e0e..13aaca98c 100644
--- a/src/UndoHistory.h
+++ b/src/UndoHistory.h
@@ -53,6 +53,7 @@ struct UndoActions {
[[nodiscard]] intptr_t SSize() const noexcept;
void Create(size_t index, ActionType at_, Sci::Position position_, Sci::Position lenData_, bool mayCoalesce_);
[[nodiscard]] bool AtStart(size_t index) const noexcept;
+ [[nodiscard]] size_t LengthTo(size_t index) const noexcept;
};
class ScrapStack {
@@ -112,7 +113,9 @@ public:
bool AfterDetachPoint() const noexcept;
bool AfterOrAtDetachPoint() const noexcept;
- void SetCurrent(int action) noexcept;
+ [[nodiscard]] intptr_t Delta(int action) noexcept;
+ [[nodiscard]] bool Validate(intptr_t lengthDocument) noexcept;
+ void SetCurrent(int action, intptr_t lengthDocument);
[[nodiscard]] int Current() const noexcept;
[[nodiscard]] int Type(int action) const noexcept;
[[nodiscard]] Sci::Position Position(int action) const noexcept;