mirror of
https://invent.kde.org/graphics/okular
synced 2024-08-27 11:40:07 +00:00
![Sune Vuorela](/assets/img/avatar_default.png)
- missing consts - shadowing of variable names - superflous code - tighter scoping of some variables and other such bits
162 lines
4 KiB
C++
162 lines
4 KiB
C++
/*
|
|
SPDX-FileCopyrightText: 2007 John Layt <john@layt.net>
|
|
|
|
FilePrinterPreview based on KPrintPreview (originally LGPL)
|
|
SPDX-FileCopyrightText: 2007 Alex Merry <huntedhacker@tiscali.co.uk>
|
|
|
|
SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
#include "fileprinterpreview.h"
|
|
|
|
#include <QDialogButtonBox>
|
|
#include <QFile>
|
|
#include <QLabel>
|
|
#include <QPushButton>
|
|
#include <QShowEvent>
|
|
#include <QSize>
|
|
#include <QVBoxLayout>
|
|
|
|
#include <KLocalizedString>
|
|
#include <KPluginFactory>
|
|
#include <KPluginLoader>
|
|
#include <KSharedConfig>
|
|
#include <KWindowConfig>
|
|
#include <QLoggingCategory>
|
|
#include <kparts/readonlypart.h>
|
|
|
|
#include "gui/debug_ui.h"
|
|
|
|
using namespace Okular;
|
|
|
|
// This code copied from KPrintPreview by Alex Merry, adapted to do PS files instead of PDF
|
|
|
|
class Okular::FilePrinterPreviewPrivate
|
|
{
|
|
public:
|
|
FilePrinterPreviewPrivate(FilePrinterPreview *host, const QString &_filename)
|
|
: q(host)
|
|
, mainWidget(new QWidget(host))
|
|
, previewPart(nullptr)
|
|
, failMessage(nullptr)
|
|
, config(KSharedConfig::openConfig(QStringLiteral("okularrc")))
|
|
|
|
{
|
|
mainlayout = new QVBoxLayout(q);
|
|
buttonBox = new QDialogButtonBox(QDialogButtonBox::Close, q);
|
|
mainlayout->addWidget(buttonBox);
|
|
filename = _filename;
|
|
}
|
|
|
|
void getPart();
|
|
bool doPreview();
|
|
void fail();
|
|
|
|
FilePrinterPreview *q;
|
|
|
|
QWidget *mainWidget;
|
|
|
|
QDialogButtonBox *buttonBox;
|
|
|
|
QVBoxLayout *mainlayout;
|
|
|
|
QString filename;
|
|
|
|
KParts::ReadOnlyPart *previewPart;
|
|
QWidget *failMessage;
|
|
|
|
KSharedConfig::Ptr config;
|
|
Q_DISABLE_COPY(FilePrinterPreviewPrivate)
|
|
};
|
|
|
|
void FilePrinterPreviewPrivate::getPart()
|
|
{
|
|
if (previewPart) {
|
|
qCDebug(OkularUiDebug) << "already got a part";
|
|
return;
|
|
}
|
|
|
|
KPluginLoader loader(QStringLiteral("okularpart"));
|
|
KPluginFactory *factory = loader.factory();
|
|
|
|
if (!factory) {
|
|
qCDebug(OkularUiDebug) << "Loading failed:" << loader.errorString();
|
|
return;
|
|
}
|
|
|
|
qCDebug(OkularUiDebug) << "Trying to create a part";
|
|
previewPart = factory->create<KParts::ReadOnlyPart>(q, (QVariantList() << QStringLiteral("Print/Preview")));
|
|
if (!previewPart) {
|
|
qCDebug(OkularUiDebug) << "Part creation failed";
|
|
}
|
|
}
|
|
|
|
bool FilePrinterPreviewPrivate::doPreview()
|
|
{
|
|
if (!QFile::exists(filename)) {
|
|
qCWarning(OkularUiDebug) << "Nothing was produced to be previewed";
|
|
return false;
|
|
}
|
|
|
|
getPart();
|
|
if (!previewPart) {
|
|
// TODO: error dialog
|
|
qCWarning(OkularUiDebug) << "Could not find a PS viewer for the preview dialog";
|
|
fail();
|
|
return false;
|
|
} else {
|
|
mainlayout->insertWidget(0, previewPart->widget());
|
|
return previewPart->openUrl(QUrl::fromLocalFile(filename));
|
|
}
|
|
}
|
|
|
|
void FilePrinterPreviewPrivate::fail()
|
|
{
|
|
if (!failMessage) {
|
|
failMessage = new QLabel(i18n("Could not load print preview part"), q);
|
|
}
|
|
mainlayout->insertWidget(0, failMessage);
|
|
}
|
|
|
|
FilePrinterPreview::FilePrinterPreview(const QString &filename, QWidget *parent)
|
|
: QDialog(parent)
|
|
, d(new FilePrinterPreviewPrivate(this, filename))
|
|
{
|
|
qCDebug(OkularUiDebug) << "kdeprint: creating preview dialog";
|
|
|
|
// Set up the dialog
|
|
setWindowTitle(i18n("Print Preview"));
|
|
|
|
connect(d->buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
|
|
|
|
KWindowConfig::restoreWindowSize(windowHandle(), d->config->group("Print Preview"));
|
|
}
|
|
|
|
FilePrinterPreview::~FilePrinterPreview()
|
|
{
|
|
KConfigGroup group(d->config->group("Print Preview"));
|
|
KWindowConfig::saveWindowSize(windowHandle(), group);
|
|
|
|
delete d;
|
|
}
|
|
|
|
QSize FilePrinterPreview::sizeHint() const
|
|
{
|
|
// return a more or less useful window size, if not saved already
|
|
return QSize(600, 500);
|
|
}
|
|
|
|
void FilePrinterPreview::showEvent(QShowEvent *event)
|
|
{
|
|
if (!event->spontaneous()) {
|
|
// being shown for the first time
|
|
if (!d->doPreview()) {
|
|
event->accept();
|
|
return;
|
|
}
|
|
}
|
|
QDialog::showEvent(event);
|
|
}
|
|
|
|
#include "moc_fileprinterpreview.cpp"
|