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Add a constructor of UndoGroupHelper that uses a CursorData parameter

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This aloows to se the the `before' cursor of the undo group.

Not used for now.
This commit is contained in:
Jean-Marc Lasgouttes 2024-06-20 17:52:19 +02:00
parent f643057779
commit e7b1ee47ea
2 changed files with 22 additions and 0 deletions
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16
src/Undo.cpp
View File

@ -704,6 +704,12 @@ UndoGroupHelper::UndoGroupHelper(Buffer * buf) : d(new UndoGroupHelper::Impl)
}
UndoGroupHelper::UndoGroupHelper(CursorData & cur) : d(new UndoGroupHelper::Impl)
{
resetBuffer(cur);
}
UndoGroupHelper::~UndoGroupHelper()
{
for (Buffer * buf : d->buffers_)
@ -712,6 +718,7 @@ UndoGroupHelper::~UndoGroupHelper()
delete d;
}
void UndoGroupHelper::resetBuffer(Buffer * buf)
{
if (buf && d->buffers_.count(buf) == 0) {
@ -721,4 +728,13 @@ void UndoGroupHelper::resetBuffer(Buffer * buf)
}
void UndoGroupHelper::resetBuffer(CursorData & cur)
{
if (!cur.empty() && d->buffers_.count(cur.buffer()) == 0) {
d->buffers_.insert(cur.buffer());
cur.buffer()->undo().beginUndoGroup(cur);
}
}
} // namespace lyx

6
src/Undo.h
View File

@ -140,12 +140,18 @@ class UndoGroupHelper {
public:
// Begin a new undo group for buffer \c buf.
UndoGroupHelper(Buffer * buf);
// Begin an undo group for the buffer of \c cur with the the
// `before' cursor set to \c cur.
UndoGroupHelper(CursorData & cur);
// End all active undo groups.
~UndoGroupHelper();
// Begin if needed an undo group for buffer \c buf.
void resetBuffer(Buffer * buf);
// Begin if needed an undo group for the buffer of \c cur with the
// the `before' cursor set to \c cur.
void resetBuffer(CursorData & cur);
private:
class Impl;
Impl * const d;