129 lines
3.0 KiB
C++
129 lines
3.0 KiB
C++
// vim: set tabstop=4 shiftwidth=4 expandtab:
|
|
/*
|
|
Gwenview: an image viewer
|
|
Copyright 2007 Aurélien Gâteau <agateau@kde.org>
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
*/
|
|
// Self
|
|
#include "abstractimageoperation.h"
|
|
|
|
// Qt
|
|
#include <QTimer>
|
|
#include <QUrl>
|
|
|
|
// KF
|
|
#include <KJob>
|
|
|
|
// Local
|
|
#include "document/documentfactory.h"
|
|
#include "document/documentjob.h"
|
|
|
|
namespace Gwenview
|
|
{
|
|
class ImageOperationCommand : public QUndoCommand
|
|
{
|
|
public:
|
|
ImageOperationCommand(AbstractImageOperation *op)
|
|
: mOp(op)
|
|
{
|
|
}
|
|
|
|
~ImageOperationCommand() override
|
|
{
|
|
delete mOp;
|
|
}
|
|
|
|
void undo() override
|
|
{
|
|
mOp->undo();
|
|
}
|
|
|
|
void redo() override
|
|
{
|
|
mOp->redo();
|
|
}
|
|
|
|
private:
|
|
AbstractImageOperation *const mOp;
|
|
};
|
|
|
|
struct AbstractImageOperationPrivate {
|
|
QString mText;
|
|
QUrl mUrl;
|
|
ImageOperationCommand *mCommand;
|
|
};
|
|
|
|
AbstractImageOperation::AbstractImageOperation()
|
|
: d(new AbstractImageOperationPrivate)
|
|
{
|
|
}
|
|
|
|
AbstractImageOperation::~AbstractImageOperation()
|
|
{
|
|
delete d;
|
|
}
|
|
|
|
void AbstractImageOperation::applyToDocument(Document::Ptr doc)
|
|
{
|
|
d->mUrl = doc->url();
|
|
|
|
d->mCommand = new ImageOperationCommand(this);
|
|
d->mCommand->setText(d->mText);
|
|
// QUndoStack::push() executes command by calling its redo() function
|
|
doc->undoStack()->push(d->mCommand);
|
|
}
|
|
|
|
Document::Ptr AbstractImageOperation::document() const
|
|
{
|
|
Document::Ptr doc = DocumentFactory::instance()->load(d->mUrl);
|
|
doc->startLoadingFullImage();
|
|
return doc;
|
|
}
|
|
|
|
void AbstractImageOperation::finish(bool ok)
|
|
{
|
|
if (ok) {
|
|
// Give QUndoStack time to update in case the redo/undo is executed immediately
|
|
// (e.g. undo crop just sets the previous image)
|
|
QTimer::singleShot(0, document().data(), &Document::imageOperationCompleted);
|
|
} else {
|
|
// Remove command from undo stack without executing undo()
|
|
d->mCommand->setObsolete(true);
|
|
document()->undoStack()->undo();
|
|
}
|
|
}
|
|
|
|
void AbstractImageOperation::finishFromKJob(KJob *job)
|
|
{
|
|
finish(job->error() == KJob::NoError);
|
|
}
|
|
|
|
void AbstractImageOperation::setText(const QString &text)
|
|
{
|
|
d->mText = text;
|
|
}
|
|
|
|
void AbstractImageOperation::redoAsDocumentJob(DocumentJob *job)
|
|
{
|
|
connect(job, &KJob::result, this, &AbstractImageOperation::finishFromKJob);
|
|
document()->enqueueJob(job);
|
|
}
|
|
|
|
} // namespace
|
|
|
|
#include "moc_abstractimageoperation.cpp"
|
