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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qpagesetupdialog.h"
#include <qhash.h>
#include <private/qapplication_p.h>
#include <private/qprintengine_mac_p.h>
#include <private/qabstractpagesetupdialog_p.h>
#ifndef QT_NO_PRINTDIALOG
QT_USE_NAMESPACE
@class QT_MANGLE_NAMESPACE(QCocoaPageLayoutDelegate);
@interface QT_MANGLE_NAMESPACE(QCocoaPageLayoutDelegate) : NSObject {
QMacPrintEnginePrivate *pe;
}
- (id)initWithMacPrintEngine:(QMacPrintEnginePrivate *)printEngine;
- (void)pageLayoutDidEnd:(NSPageLayout *)pageLayout
returnCode:(int)returnCode contextInfo:(void *)contextInfo;
@end
@implementation QT_MANGLE_NAMESPACE(QCocoaPageLayoutDelegate)
- (id)initWithMacPrintEngine:(QMacPrintEnginePrivate *)printEngine
{
self = [super init];
if (self) {
pe = printEngine;
}
return self;
}
- (void)pageLayoutDidEnd:(NSPageLayout *)pageLayout
returnCode:(int)returnCode contextInfo:(void *)contextInfo
{
Q_UNUSED(pageLayout);
QPageSetupDialog *dialog = static_cast<QPageSetupDialog *>(contextInfo);
if (returnCode == NSOKButton) {
PMRect paperRect;
PMGetUnadjustedPaperRect(pe->format, &paperRect);
pe->customSize = QSizeF(paperRect.right - paperRect.left,
paperRect.bottom - paperRect.top);
}
dialog->done((returnCode == NSOKButton) ? QDialog::Accepted : QDialog::Rejected);
}
@end
QT_BEGIN_NAMESPACE
extern void macStartInterceptWindowTitle(QWidget *window);
extern void macStopInterceptWindowTitle();
class QPageSetupDialogPrivate : public QAbstractPageSetupDialogPrivate
{
Q_DECLARE_PUBLIC(QPageSetupDialog)
public:
QPageSetupDialogPrivate() : ep(0)
#ifndef QT_MAC_USE_COCOA
,upp(0)
#else
,pageLayout(0)
#endif
{}
~QPageSetupDialogPrivate() {
#ifndef QT_MAC_USE_COCOA
if (upp) {
DisposePMSheetDoneUPP(upp);
upp = 0;
}
QHash<PMPrintSession, QPageSetupDialogPrivate *>::iterator it = sheetCallbackMap.begin();
while (it != sheetCallbackMap.end()) {
if (it.value() == this) {
it = sheetCallbackMap.erase(it);
} else {
++it;
}
}
#endif
}
#ifndef QT_MAC_USE_COCOA
void openCarbonPageLayout(Qt::WindowModality modality);
void closeCarbonPageLayout();
static void pageSetupDialogSheetDoneCallback(PMPrintSession printSession, WindowRef /*documentWindow*/, Boolean accepted) {
QPageSetupDialogPrivate *priv = sheetCallbackMap.value(printSession);
if (!priv) {
qWarning("%s:%d: QPageSetupDialog::exec: Could not retrieve data structure, "
"you most likely now have an infinite modal loop", __FILE__, __LINE__);
return;
}
priv->q_func()->done(accepted ? QDialog::Accepted : QDialog::Rejected);
}
#else
void openCocoaPageLayout(Qt::WindowModality modality);
void closeCocoaPageLayout();
#endif
QMacPrintEnginePrivate *ep;
#ifndef QT_MAC_USE_COCOA
PMSheetDoneUPP upp;
static QHash<PMPrintSession, QPageSetupDialogPrivate*> sheetCallbackMap;
#else
NSPageLayout *pageLayout;
#endif
};
#ifndef QT_MAC_USE_COCOA
QHash<PMPrintSession, QPageSetupDialogPrivate*> QPageSetupDialogPrivate::sheetCallbackMap;
void QPageSetupDialogPrivate::openCarbonPageLayout(Qt::WindowModality modality)
{
Q_Q(QPageSetupDialog);
// If someone is reusing a QPrinter object, the end released all our old
// information. In this case, we must reinitialize.
if (ep->session == 0)
ep->initialize();
sheetCallbackMap.insert(ep->session, this);
if (modality == Qt::ApplicationModal) {
QWidget modal_widg(0, Qt::Window);
modal_widg.setObjectName(QLatin1String(__FILE__ "__modal_dlg"));
modal_widg.createWinId();
QApplicationPrivate::enterModal(&modal_widg);
QApplicationPrivate::native_modal_dialog_active = true;
Boolean accepted;
PMSessionPageSetupDialog(ep->session, ep->format, &accepted);
QApplicationPrivate::leaveModal(&modal_widg);
QApplicationPrivate::native_modal_dialog_active = false;
pageSetupDialogSheetDoneCallback(ep->session, 0, accepted);
} else {
// Window Modal means that we use a sheet at the moment, there's no other way to do it correctly.
if (!upp)
upp = NewPMSheetDoneUPP(QPageSetupDialogPrivate::pageSetupDialogSheetDoneCallback);
PMSessionUseSheets(ep->session, qt_mac_window_for(q->parentWidget()), upp);
Boolean unused;
PMSessionPageSetupDialog(ep->session, ep->format, &unused);
}
}
void QPageSetupDialogPrivate::closeCarbonPageLayout()
{
// if the margins have changed, we have to use the margins from the new
// PMFormat object
if (q_func()->result() == QDialog::Accepted) {
PMPaper paper;
PMPaperMargins margins;
PMGetPageFormatPaper(ep->format, &paper);
PMPaperGetMargins(paper, &margins);
ep->leftMargin = margins.left;
ep->topMargin = margins.top;
ep->rightMargin = margins.right;
ep->bottomMargin = margins.bottom;
PMRect paperRect;
PMGetUnadjustedPaperRect(ep->format, &paperRect);
ep->customSize = QSizeF(paperRect.right - paperRect.left,
paperRect.bottom - paperRect.top);
}
sheetCallbackMap.remove(ep->session);
}
#else
void QPageSetupDialogPrivate::openCocoaPageLayout(Qt::WindowModality modality)
{
Q_Q(QPageSetupDialog);
// If someone is reusing a QPrinter object, the end released all our old
// information. In this case, we must reinitialize.
if (ep->session == 0)
ep->initialize();
macStartInterceptWindowTitle(q);
pageLayout = [NSPageLayout pageLayout];
// Keep a copy to this since we plan on using it for a bit.
[pageLayout retain];
QT_MANGLE_NAMESPACE(QCocoaPageLayoutDelegate) *delegate = [[QT_MANGLE_NAMESPACE(QCocoaPageLayoutDelegate) alloc] initWithMacPrintEngine:ep];
if (modality == Qt::ApplicationModal) {
int rval = [pageLayout runModalWithPrintInfo:ep->printInfo];
[delegate pageLayoutDidEnd:pageLayout returnCode:rval contextInfo:q];
} else {
Q_ASSERT(q->parentWidget());
[pageLayout beginSheetWithPrintInfo:ep->printInfo
modalForWindow:qt_mac_window_for(q->parentWidget())
delegate:delegate
didEndSelector:@selector(pageLayoutDidEnd:returnCode:contextInfo:)
contextInfo:q];
}
macStopInterceptWindowTitle();
}
void QPageSetupDialogPrivate::closeCocoaPageLayout()
{
// NSPageLayout can change the session behind our back and then our
// d->ep->session object will become a dangling pointer. Update it
// based on the "current" session
ep->session = static_cast<PMPrintSession>([ep->printInfo PMPrintSession]);
[pageLayout release];
pageLayout = 0;
}
#endif
QPageSetupDialog::QPageSetupDialog(QPrinter *printer, QWidget *parent)
: QAbstractPageSetupDialog(*(new QPageSetupDialogPrivate), printer, parent)
{
Q_D(QPageSetupDialog);
d->ep = static_cast<QMacPrintEngine *>(d->printer->paintEngine())->d_func();
}
QPageSetupDialog::QPageSetupDialog(QWidget *parent)
: QAbstractPageSetupDialog(*(new QPageSetupDialogPrivate), 0, parent)
{
Q_D(QPageSetupDialog);
d->ep = static_cast<QMacPrintEngine *>(d->printer->paintEngine())->d_func();
}
void QPageSetupDialog::setVisible(bool visible)
{
Q_D(QPageSetupDialog);
if (d->printer->outputFormat() != QPrinter::NativeFormat)
return;
#ifndef QT_MAC_USE_COCOA
bool isCurrentlyVisible = d->sheetCallbackMap.contains(d->ep->session);
#else
bool isCurrentlyVisible = (d->pageLayout != 0);
#endif
if (!visible == !isCurrentlyVisible)
return;
if (visible) {
#ifndef QT_MAC_USE_COCOA
d->openCarbonPageLayout(parentWidget() ? Qt::WindowModal
: Qt::ApplicationModal);
#else
d->openCocoaPageLayout(parentWidget() ? Qt::WindowModal
: Qt::ApplicationModal);
#endif
return;
} else {
#ifndef QT_MAC_USE_COCOA
d->closeCarbonPageLayout();
#else
if (d->pageLayout) {
d->closeCocoaPageLayout();
return;
}
#endif
}
}
int QPageSetupDialog::exec()
{
Q_D(QPageSetupDialog);
if (d->printer->outputFormat() != QPrinter::NativeFormat)
return Rejected;
#ifndef QT_MAC_USE_COCOA
d->openCarbonPageLayout(Qt::ApplicationModal);
d->closeCarbonPageLayout();
#else
QMacCocoaAutoReleasePool pool;
d->openCocoaPageLayout(Qt::ApplicationModal);
d->closeCocoaPageLayout();
#endif
return result();
}
QT_END_NAMESPACE
#endif /* QT_NO_PRINTDIALOG */
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