WingHexExplorer2/3rdparty/QHexView/document/commands/meta/metaaddcommand.cpp

57 lines
2.2 KiB
C++

/*==============================================================================
** Copyright (C) 2024-2027 WingSummer
**
** This program is free software: you can redistribute it and/or modify it under
** the terms of the GNU Affero General Public License as published by the Free
** Software Foundation, version 3.
**
** This program is distributed in the hope that it will be useful, but WITHOUT
** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
** FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
** details.
**
** You should have received a copy of the GNU Affero General Public License
** along with this program. If not, see <https://www.gnu.org/licenses/>.
**
** The original License is MIT from Dax89/QHexView. I have modified a lot so I
** decide to change the Open Source License. You can use the original library
** under MIT. Thanks for Dax89's efforts.
** =============================================================================
*/
#include "metaaddcommand.h"
MetaAddCommand::MetaAddCommand(QHexMetadata *hexmeta,
const QHexMetadataItem &meta,
QUndoCommand *parent)
: MetaCommand(tr("[MetaAdd]"), hexmeta, meta, parent) {
_brokenMetas = m_hexmeta->mayBrokenMetaData(meta.begin, meta.end);
}
void MetaAddCommand::redo() {
m_hexmeta->metadata(m_meta.begin, m_meta.end, m_meta.foreground,
m_meta.background, m_meta.comment);
}
int MetaAddCommand::id() const { return UndoID_MetaAdd; }
bool MetaAddCommand::mergeWith(const QUndoCommand *other) {
auto ucmd = static_cast<const MetaAddCommand *>(other);
if (ucmd) {
if (this->m_meta.foreground == ucmd->m_meta.foreground &&
this->m_meta.background == ucmd->m_meta.background &&
this->m_meta.comment == ucmd->m_meta.comment) {
return this->m_meta.mergeRegionWithoutMetaCheck(ucmd->m_meta);
}
}
return false;
}
void MetaAddCommand::undo() {
m_hexmeta->removeMetadata(m_meta.begin, m_meta.end);
for (auto &meta : _brokenMetas) {
m_hexmeta->metadata(meta.begin, meta.end, meta.foreground,
meta.background, meta.comment);
}
}