subsurface/commands/command_base.cpp
Dirk Hohndel 41072cf48f core/undo: provide access to the QUndoStack
This is used by the mobile UI to get notifications when the undo
text changes.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2020-03-10 09:25:57 -07:00

62 lines
1 KiB
C++

// SPDX-License-Identifier: GPL-2.0
#include "command_base.h"
#include "core/qthelper.h" // for updateWindowTitle()
#include "core/subsurface-qt/divelistnotifier.h"
namespace Command {
static QUndoStack undoStack;
// General commands
void init()
{
QObject::connect(&undoStack, &QUndoStack::cleanChanged, &updateWindowTitle);
}
void clear()
{
undoStack.clear();
}
void setClean()
{
undoStack.setClean();
}
bool 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)
{
return undoStack.createUndoAction(parent, QCoreApplication::translate("Command", "&Undo"));
}
QAction *redoAction(QObject *parent)
{
return undoStack.createRedoAction(parent, QCoreApplication::translate("Command", "&Redo"));
}
bool execute(Base *cmd)
{
if (cmd->workToBeDone()) {
undoStack.push(cmd);
emit diveListNotifier.commandExecuted();
return true;
} else {
delete cmd;
return false;
}
}
} // namespace Command