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core/undo: provide access to the QUndoStack

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This is used by the mobile UI to get notifications when the undo
text changes.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2020-01-11 15:22:50 -08:00
parent 2936d203e2
commit 41072cf48f
2 changed files with 8 additions and 0 deletions
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6
commands/command_base.cpp
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@ -29,6 +29,12 @@ bool isClean()
return undoStack.isClean(); return undoStack.isClean();
} }
// this can be used to get access to the signals emitted by the QUndoStack
QUndoStack *getUndoStack()
{
return &undoStack;
}
QAction *undoAction(QObject *parent) QAction *undoAction(QObject *parent)
{ {
return undoStack.createUndoAction(parent, QCoreApplication::translate("Command", "&Undo")); return undoStack.createUndoAction(parent, QCoreApplication::translate("Command", "&Undo"));

2
commands/command_base.h
View file

@ -172,6 +172,8 @@ public:
// If nothing is to be done, the command will be deleted and false is returned. // If nothing is to be done, the command will be deleted and false is returned.
bool execute(Base *cmd); bool execute(Base *cmd);
QUndoStack *getUndoStack();
} // namespace Command } // namespace Command
#endif // COMMAND_BASE_H #endif // COMMAND_BASE_H