Long live Qt 4.5!

1 files changed, 313 insertions, 0 deletions

diff --git a/src/gui/dialogs/qpagesetupdialog_mac.mm b/src/gui/dialogs/qpagesetupdialog_mac.mm
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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 QCocoaPageLayoutDelegate;
+
+@interface QCocoaPageLayoutDelegate : NSObject {
+    QMacPrintEnginePrivate *pe;
+}
+- (id)initWithMacPrintEngine:(QMacPrintEnginePrivate *)printEngine;
+- (void)pageLayoutDidEnd:(NSPageLayout *)pageLayout
+        returnCode:(int)returnCode contextInfo:(void *)contextInfo;
+@end
+
+@implementation 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];
+    QCocoaPageLayoutDelegate *delegate = [[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()
+{
+    [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();
+}
+
+/*!
+    \reimp
+*/
+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