/**************************************************************************** ** ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying ** this package. ** ** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "qfontdialog_p.h" #if !defined(QT_NO_FONTDIALOG) && defined(Q_WS_MAC) #include #include #include #include #include #include #include #include #include #include #import #import #if !CGFLOAT_DEFINED typedef float CGFloat; // Should only not be defined on 32-bit platforms #endif QT_USE_NAMESPACE // should a priori be kept in sync with qcolordialog_mac.mm const CGFloat ButtonMinWidth = 78.0; const CGFloat ButtonMinHeight = 32.0; const CGFloat ButtonSpacing = 0.0; const CGFloat ButtonTopMargin = 0.0; const CGFloat ButtonBottomMargin = 7.0; const CGFloat ButtonSideMargin = 9.0; // looks better with some margins const CGFloat DialogTopMargin = 7.0; const CGFloat DialogSideMargin = 9.0; const int StyleMask = NSTitledWindowMask | NSClosableWindowMask | NSResizableWindowMask; @class QCocoaFontPanelDelegate; #if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_5 @protocol NSWindowDelegate - (NSSize)windowWillResize:(NSWindow *)window toSize:(NSSize)proposedFrameSize; @end #endif @interface QCocoaFontPanelDelegate : NSObject { NSFontPanel *mFontPanel; NSView *mStolenContentView; NSButton *mOkButton; NSButton *mCancelButton; QFontDialogPrivate *mPriv; QFont *mQtFont; BOOL mPanelHackedWithButtons; CGFloat mDialogExtraWidth; CGFloat mDialogExtraHeight; NSModalSession mModalSession; } - (id)initWithFontPanel:(NSFontPanel *)panel stolenContentView:(NSView *)stolenContentView okButton:(NSButton *)okButton cancelButton:(NSButton *)cancelButton priv:(QFontDialogPrivate *)priv extraWidth:(CGFloat)extraWidth extraHeight:(CGFloat)extraHeight; - (void)changeFont:(id)sender; - (void)changeAttributes:(id)sender; - (void)setModalSession:(NSModalSession)session; - (BOOL)windowShouldClose:(id)window; - (NSSize)windowWillResize:(NSWindow *)window toSize:(NSSize)proposedFrameSize; - (void)relayout; - (void)relayoutToContentSize:(NSSize)frameSize; - (void)onOkClicked; - (void)onCancelClicked; - (NSFontPanel *)fontPanel; - (NSWindow *)actualPanel; - (NSSize)dialogExtraSize; - (void)setQtFont:(const QFont &)newFont; - (QFont)qtFont; - (void)finishOffWithCode:(NSInteger)result; - (void)cleanUpAfterMyself; @end static QFont qfontForCocoaFont(NSFont *cocoaFont, const QFont &resolveFont) { QFont newFont; if (cocoaFont) { int pSize = qRound([cocoaFont pointSize]); QString family(qt_mac_NSStringToQString([cocoaFont familyName])); QString typeface(qt_mac_NSStringToQString([cocoaFont fontName])); int hyphenPos = typeface.indexOf(QLatin1Char('-')); if (hyphenPos != -1) { typeface.remove(0, hyphenPos + 1); } else { typeface = QLatin1String("Normal"); } newFont = QFontDatabase().font(family, typeface, pSize); newFont.setUnderline(resolveFont.underline()); newFont.setStrikeOut(resolveFont.strikeOut()); } return newFont; } @implementation QCocoaFontPanelDelegate - (id)initWithFontPanel:(NSFontPanel *)panel stolenContentView:(NSView *)stolenContentView okButton:(NSButton *)okButton cancelButton:(NSButton *)cancelButton priv:(QFontDialogPrivate *)priv extraWidth:(CGFloat)extraWidth extraHeight:(CGFloat)extraHeight { self = [super init]; mFontPanel = panel; mStolenContentView = stolenContentView; mOkButton = okButton; mCancelButton = cancelButton; mPriv = priv; mPanelHackedWithButtons = (okButton != 0); mDialogExtraWidth = extraWidth; mDialogExtraHeight = extraHeight; mModalSession = 0; if (mPanelHackedWithButtons) { [self relayout]; [okButton setAction:@selector(onOkClicked)]; [okButton setTarget:self]; [cancelButton setAction:@selector(onCancelClicked)]; [cancelButton setTarget:self]; } mQtFont = new QFont(); return self; } - (void)dealloc { delete mQtFont; [super dealloc]; } - (void)changeFont:(id)sender { NSFont *dummyFont = [NSFont userFontOfSize:12.0]; [self setQtFont:qfontForCocoaFont([sender convertFont:dummyFont], *mQtFont)]; if (mPriv) mPriv->updateSampleFont(*mQtFont); } - (void)changeAttributes:(id)sender { NSDictionary *dummyAttribs = [NSDictionary dictionary]; NSDictionary *attribs = [sender convertAttributes:dummyAttribs]; #ifdef QT_MAC_USE_COCOA for (id key in attribs) { #else NSEnumerator *enumerator = [attribs keyEnumerator]; id key; while((key = [enumerator nextObject])) { #endif NSNumber *number = static_cast([attribs objectForKey:key]); if ([key isEqual:NSUnderlineStyleAttributeName]) { mQtFont->setUnderline([number intValue] != NSUnderlineStyleNone); } else if ([key isEqual:NSStrikethroughStyleAttributeName]) { mQtFont->setStrikeOut([number intValue] != NSUnderlineStyleNone); } } if (mPriv) mPriv->updateSampleFont(*mQtFont); } - (void)setModalSession:(NSModalSession)session { Q_ASSERT(!mModalSession); mModalSession = session; } - (BOOL)windowShouldClose:(id)window { Q_UNUSED(window); if (mPanelHackedWithButtons) { [self onCancelClicked]; } else { [self finishOffWithCode:NSCancelButton]; } return true; } - (NSSize)windowWillResize:(NSWindow *)window toSize:(NSSize)proposedFrameSize { if (mFontPanel == window) { proposedFrameSize = [static_cast >(mFontPanel) windowWillResize:mFontPanel toSize:proposedFrameSize]; } else { /* Ugly hack: NSFontPanel rearranges the layout of its main component in windowWillResize:toSize:. So we temporarily restore the stolen content view to its rightful owner, call windowWillResize:toSize:, and steal the content view again. */ [mStolenContentView removeFromSuperview]; [mFontPanel setContentView:mStolenContentView]; NSSize extraSize = [self dialogExtraSize]; proposedFrameSize.width -= extraSize.width; proposedFrameSize.height -= extraSize.height; proposedFrameSize = [static_cast >(mFontPanel) windowWillResize:mFontPanel toSize:proposedFrameSize]; NSRect frameRect = { { 0.0, 0.0 }, proposedFrameSize }; [mFontPanel setFrame:frameRect display:NO]; [mFontPanel setContentView:0]; [[window contentView] addSubview:mStolenContentView]; proposedFrameSize.width += extraSize.width; proposedFrameSize.height += extraSize.height; } if (mPanelHackedWithButtons) { NSRect frameRect = { { 0.0, 0.0 }, proposedFrameSize }; NSRect contentRect = [NSWindow contentRectForFrameRect:frameRect styleMask:[window styleMask]]; [self relayoutToContentSize:contentRect.size]; } return proposedFrameSize; } - (void)relayout { [self relayoutToContentSize:[[mStolenContentView superview] frame].size]; } - (void)relayoutToContentSize:(NSSize)frameSize; { Q_ASSERT(mPanelHackedWithButtons); [mOkButton sizeToFit]; NSSize okSizeHint = [mOkButton frame].size; [mCancelButton sizeToFit]; NSSize cancelSizeHint = [mCancelButton frame].size; const CGFloat ButtonWidth = qMin(qMax(ButtonMinWidth, qMax(okSizeHint.width, cancelSizeHint.width)), CGFloat((frameSize.width - 2.0 * ButtonSideMargin - ButtonSpacing) * 0.5)); const CGFloat ButtonHeight = qMax(ButtonMinHeight, qMax(okSizeHint.height, cancelSizeHint.height)); const CGFloat X = DialogSideMargin; const CGFloat Y = ButtonBottomMargin + ButtonHeight + ButtonTopMargin; NSRect okRect = { { frameSize.width - ButtonSideMargin - ButtonWidth, ButtonBottomMargin }, { ButtonWidth, ButtonHeight } }; [mOkButton setFrame:okRect]; [mOkButton setNeedsDisplay:YES]; NSRect cancelRect = { { okRect.origin.x - ButtonSpacing - ButtonWidth, ButtonBottomMargin }, { ButtonWidth, ButtonHeight } }; [mCancelButton setFrame:cancelRect]; [mCancelButton setNeedsDisplay:YES]; NSRect stolenCVRect = { { X, Y }, { frameSize.width - X - X, frameSize.height - Y - DialogTopMargin } }; [mStolenContentView setFrame:stolenCVRect]; [mStolenContentView setNeedsDisplay:YES]; [[mStolenContentView superview] setNeedsDisplay:YES]; } - (void)onOkClicked { Q_ASSERT(mPanelHackedWithButtons); NSFontManager *fontManager = [NSFontManager sharedFontManager]; [self setQtFont:qfontForCocoaFont([fontManager convertFont:[fontManager selectedFont]], *mQtFont)]; [[mStolenContentView window] close]; [self finishOffWithCode:NSOKButton]; } - (void)onCancelClicked { Q_ASSERT(mPanelHackedWithButtons); [[mStolenContentView window] close]; [self finishOffWithCode:NSCancelButton]; } - (NSFontPanel *)fontPanel { return mFontPanel; } - (NSWindow *)actualPanel { return [mStolenContentView window]; } - (NSSize)dialogExtraSize { // this must be recomputed each time, because sometimes the // NSFontPanel has the NSDocModalWindowMask flag set, and sometimes // not -- which affects the frame rect vs. content rect measurements // take the different frame rectangles into account for dialogExtra{Width,Height} NSRect someRect = { { 0.0, 0.0 }, { 100000.0, 100000.0 } }; NSRect sharedFontPanelContentRect = [mFontPanel contentRectForFrameRect:someRect]; NSRect ourPanelContentRect = [NSWindow contentRectForFrameRect:someRect styleMask:StyleMask]; NSSize result = { mDialogExtraWidth, mDialogExtraHeight }; result.width -= ourPanelContentRect.size.width - sharedFontPanelContentRect.size.width; result.height -= ourPanelContentRect.size.height - sharedFontPanelContentRect.size.height; return result; } - (void)setQtFont:(const QFont &)newFont { delete mQtFont; mQtFont = new QFont(newFont); } - (QFont)qtFont { return *mQtFont; } - (void)finishOffWithCode:(NSInteger)code { if (mPriv) { if (mModalSession) { [NSApp endModalSession:mModalSession]; mModalSession = 0; } // Hack alert! // Since this code path was never intended to be followed when starting from exec // we need to force the dialog to communicate the new font, otherwise the signal // won't get emitted. if(code == NSOKButton) mPriv->sampleEdit->setFont([self qtFont]); mPriv->done((code == NSOKButton) ? QDialog::Accepted : QDialog::Rejected); } else { [NSApp stopModalWithCode:code]; } } - (void)cleanUpAfterMyself { if (mPanelHackedWithButtons) { NSView *ourContentView = [mFontPanel contentView]; // return stolen stuff to its rightful owner [mStolenContentView removeFromSuperview]; [mFontPanel setContentView:mStolenContentView]; [mOkButton release]; [mCancelButton release]; [ourContentView release]; } [mFontPanel setDelegate:nil]; [[NSFontManager sharedFontManager] setDelegate:nil]; #ifdef QT_MAC_USE_COCOA [[NSFontManager sharedFontManager] setTarget:nil]; #endif } @end QT_BEGIN_NAMESPACE extern void macStartInterceptNSPanelCtor(); extern void macStopInterceptNSPanelCtor(); extern NSButton *macCreateButton(const char *text, NSView *superview); void *QFontDialogPrivate::openCocoaFontPanel(const QFont &initial, QWidget *parent, const QString &title, QFontDialog::FontDialogOptions options, QFontDialogPrivate *priv) { Q_UNUSED(parent); // we would use the parent if only NSFontPanel could be a sheet QMacCocoaAutoReleasePool pool; /* The standard Cocoa font panel has no OK or Cancel button and is created as a utility window. For strange reasons (which seem to stem from the fact that the font panel is based on a NIB file), the approach we use for the color panel doesn't work for the font panel (and, inversely, the approach we use here doesn't quite work for color panel, and crashed last time I tried). So instead, we take the following steps: 1. Constructs a plain NSPanel that looks the way we want it to look. Specifically, if the NoButtons option is off, we construct a panel without the NSUtilityWindowMask flag and with buttons (OK and Cancel). 2. Steal the content view from the shared NSFontPanel and put it inside our new NSPanel's content view, together with the OK and Cancel buttons. 3. Lay out the original content view and the buttons when the font panel is shown and whenever it is resized. 4. Clean up after ourselves. PS. Some customization is also done in QCocoaApplication validModesForFontPanel:. */ Qt::WindowModality modality = Qt::ApplicationModal; if (priv) modality = priv->fontDialog()->windowModality(); bool needButtons = !(options & QFontDialog::NoButtons); // don't need our own panel if the title bar isn't visible anyway (in a sheet) bool needOwnPanel = (needButtons && modality != Qt::WindowModal); bool sharedFontPanelExisted = [NSFontPanel sharedFontPanelExists]; NSFontPanel *sharedFontPanel = [NSFontPanel sharedFontPanel]; [sharedFontPanel setHidesOnDeactivate:false]; // hack to ensure that QCocoaApplication's validModesForFontPanel: // implementation is honored if (!sharedFontPanelExisted && needOwnPanel) { [sharedFontPanel makeKeyAndOrderFront:sharedFontPanel]; [sharedFontPanel close]; } NSPanel *ourPanel = 0; NSView *stolenContentView = 0; NSButton *okButton = 0; NSButton *cancelButton = 0; CGFloat dialogExtraWidth = 0.0; CGFloat dialogExtraHeight = 0.0; if (!needOwnPanel) { // we can reuse the NSFontPanel unchanged ourPanel = sharedFontPanel; } else { // compute dialogExtra{Width,Height} dialogExtraWidth = 2.0 * DialogSideMargin; dialogExtraHeight = DialogTopMargin + ButtonTopMargin + ButtonMinHeight + ButtonBottomMargin; // compute initial contents rectangle NSRect contentRect = [sharedFontPanel contentRectForFrameRect:[sharedFontPanel frame]]; contentRect.size.width += dialogExtraWidth; contentRect.size.height += dialogExtraHeight; // create the new panel ourPanel = [[NSPanel alloc] initWithContentRect:contentRect styleMask:StyleMask backing:NSBackingStoreBuffered defer:YES]; [ourPanel setReleasedWhenClosed:YES]; } stolenContentView = [sharedFontPanel contentView]; if (needButtons) { // steal the font panel's contents view [stolenContentView retain]; [sharedFontPanel setContentView:0]; // create a new content view and add the stolen one as a subview NSRect frameRect = { { 0.0, 0.0 }, { 0.0, 0.0 } }; NSView *ourContentView = [[NSView alloc] initWithFrame:frameRect]; [ourContentView addSubview:stolenContentView]; // create OK and Cancel buttons and add these as subviews okButton = macCreateButton("&OK", ourContentView); cancelButton = macCreateButton("Cancel", ourContentView); [ourPanel setContentView:ourContentView]; [ourPanel setDefaultButtonCell:[okButton cell]]; } // create a delegate and set it QCocoaFontPanelDelegate *delegate = [[QCocoaFontPanelDelegate alloc] initWithFontPanel:sharedFontPanel stolenContentView:stolenContentView okButton:okButton cancelButton:cancelButton priv:priv extraWidth:dialogExtraWidth extraHeight:dialogExtraHeight]; [ourPanel setDelegate:delegate]; [[NSFontManager sharedFontManager] setDelegate:delegate]; #ifdef QT_MAC_USE_COCOA [[NSFontManager sharedFontManager] setTarget:delegate]; #endif setFont(delegate, initial); // hack to get correct initial layout NSRect frameRect = [ourPanel frame]; frameRect.size.width += 1.0; [ourPanel setFrame:frameRect display:NO]; frameRect.size.width -= 1.0; frameRect.size = [delegate windowWillResize:ourPanel toSize:frameRect.size]; [ourPanel setFrame:frameRect display:NO]; [ourPanel center]; [ourPanel setTitle:(NSString*)(CFStringRef)QCFString(title)]; if (priv) { switch (modality) { case Qt::WindowModal: if (parent) { #ifndef QT_MAC_USE_COCOA WindowRef hiwindowRef = qt_mac_window_for(parent); NSWindow *window = [[NSWindow alloc] initWithWindowRef:hiwindowRef]; // Cocoa docs say I should retain the Carbon ref. CFRetain(hiwindowRef); #else NSWindow *window = qt_mac_window_for(parent); #endif [NSApp beginSheet:ourPanel modalForWindow:window modalDelegate:0 didEndSelector:0 contextInfo:0]; #ifndef QT_MAC_USE_COCOA [window release]; #endif break; } // fallthrough case Qt::ApplicationModal: [delegate setModalSession:[NSApp beginModalSessionForWindow:ourPanel]]; break; default: [ourPanel makeKeyAndOrderFront:ourPanel]; } } return delegate; } void QFontDialogPrivate::closeCocoaFontPanel(void *delegate) { QMacCocoaAutoReleasePool pool; QCocoaFontPanelDelegate *theDelegate = static_cast(delegate); NSWindow *ourPanel = [theDelegate actualPanel]; [ourPanel close]; [theDelegate cleanUpAfterMyself]; [theDelegate autorelease]; } QFont QFontDialogPrivate::execCocoaFontPanel(bool *ok, const QFont &initial, QWidget *parent, const QString &title, QFontDialog::FontDialogOptions options) { QMacCocoaAutoReleasePool pool; QCocoaFontPanelDelegate *delegate = static_cast( openCocoaFontPanel(initial, parent, title, options)); NSWindow *ourPanel = [delegate actualPanel]; [ourPanel retain]; int rval = [NSApp runModalForWindow:ourPanel]; QFont font([delegate qtFont]); [ourPanel release]; [delegate cleanUpAfterMyself]; [delegate release]; bool isOk = ((options & QFontDialog::NoButtons) || rval == NSOKButton); if (ok) *ok = isOk; if (isOk) { return font; } else { return initial; } } void QFontDialogPrivate::setFont(void *delegate, const QFont &font) { QMacCocoaAutoReleasePool pool; QFontEngine *fe = font.d->engineForScript(QUnicodeTables::Common); NSFontManager *mgr = [NSFontManager sharedFontManager]; NSFont *nsFont = 0; #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 if (qstrcmp(fe->name(), "CoreText") == 0) { nsFont = reinterpret_cast(static_cast(fe)->ctfont); } else #endif { int weight = 5; NSFontTraitMask mask = 0; if (font.style() == QFont::StyleItalic) { mask |= NSItalicFontMask; } if (font.weight() == QFont::Bold) { weight = 9; mask |= NSBoldFontMask; } NSFontManager *mgr = [NSFontManager sharedFontManager]; QFontInfo fontInfo(font); nsFont = [mgr fontWithFamily:qt_mac_QStringToNSString(fontInfo.family()) traits:mask weight:weight size:fontInfo.pointSize()]; } [mgr setSelectedFont:nsFont isMultiple:NO]; [static_cast(delegate) setQtFont:font]; } void *QFontDialogPrivate::_q_constructNativePanel() { QMacCocoaAutoReleasePool pool; bool sharedFontPanelExisted = [NSFontPanel sharedFontPanelExists]; NSFontPanel *sharedFontPanel = [NSFontPanel sharedFontPanel]; [sharedFontPanel setHidesOnDeactivate:false]; // hack to ensure that QCocoaApplication's validModesForFontPanel: // implementation is honored if (!sharedFontPanelExisted) { [sharedFontPanel makeKeyAndOrderFront:sharedFontPanel]; [sharedFontPanel close]; } NSPanel *ourPanel = 0; NSView *stolenContentView = 0; NSButton *okButton = 0; NSButton *cancelButton = 0; CGFloat dialogExtraWidth = 0.0; CGFloat dialogExtraHeight = 0.0; // compute dialogExtra{Width,Height} dialogExtraWidth = 2.0 * DialogSideMargin; dialogExtraHeight = DialogTopMargin + ButtonTopMargin + ButtonMinHeight + ButtonBottomMargin; // compute initial contents rectangle NSRect contentRect = [sharedFontPanel contentRectForFrameRect:[sharedFontPanel frame]]; contentRect.size.width += dialogExtraWidth; contentRect.size.height += dialogExtraHeight; // create the new panel ourPanel = [[NSPanel alloc] initWithContentRect:contentRect styleMask:StyleMask backing:NSBackingStoreBuffered defer:YES]; [ourPanel setReleasedWhenClosed:YES]; stolenContentView = [sharedFontPanel contentView]; // steal the font panel's contents view [stolenContentView retain]; [sharedFontPanel setContentView:0]; { // create a new content view and add the stolen one as a subview NSRect frameRect = { { 0.0, 0.0 }, { 0.0, 0.0 } }; NSView *ourContentView = [[NSView alloc] initWithFrame:frameRect]; [ourContentView addSubview:stolenContentView]; // create OK and Cancel buttons and add these as subviews okButton = macCreateButton("&OK", ourContentView); cancelButton = macCreateButton("Cancel", ourContentView); [ourPanel setContentView:ourContentView]; [ourPanel setDefaultButtonCell:[okButton cell]]; } // create a delegate and set it QCocoaFontPanelDelegate *delegate = [[QCocoaFontPanelDelegate alloc] initWithFontPanel:sharedFontPanel stolenContentView:stolenContentView okButton:okButton cancelButton:cancelButton priv:this extraWidth:dialogExtraWidth extraHeight:dialogExtraHeight]; [ourPanel setDelegate:delegate]; [[NSFontManager sharedFontManager] setDelegate:delegate]; #ifdef QT_MAC_USE_COCOA [[NSFontManager sharedFontManager] setTarget:delegate]; #endif setFont(delegate, QApplication::font()); { // hack to get correct initial layout NSRect frameRect = [ourPanel frame]; frameRect.size.width += 1.0; [ourPanel setFrame:frameRect display:NO]; frameRect.size.width -= 1.0; frameRect.size = [delegate windowWillResize:ourPanel toSize:frameRect.size]; [ourPanel setFrame:frameRect display:NO]; [ourPanel center]; } NSString *title = @"Select font"; [ourPanel setTitle:title]; [delegate setModalSession:[NSApp beginModalSessionForWindow:ourPanel]]; return delegate; } void QFontDialogPrivate::mac_nativeDialogModalHelp() { // Copied from QFileDialogPrivate // Do a queued meta-call to open the native modal dialog so it opens after the new // event loop has started to execute (in QDialog::exec). Using a timer rather than // a queued meta call is intentional to ensure that the call is only delivered when // [NSApp run] runs (timers are handeled special in cocoa). If NSApp is not // running (which is the case if e.g a top-most QEventLoop has been // interrupted, and the second-most event loop has not yet been reactivated (regardless // if [NSApp run] is still on the stack)), showing a native modal dialog will fail. if (nativeDialogInUse) { Q_Q(QFontDialog); QTimer::singleShot(1, q, SLOT(_q_macRunNativeAppModalPanel())); } } // The problem with the native font dialog is that OS X does not // offer a proper dialog, but a panel (i.e. without Ok and Cancel buttons). // This means we need to "construct" a native dialog by taking the panel // and "adding" the buttons. void QFontDialogPrivate::_q_macRunNativeAppModalPanel() { QBoolBlocker nativeDialogOnTop(QApplicationPrivate::native_modal_dialog_active); Q_Q(QFontDialog); QCocoaFontPanelDelegate *delegate = (QCocoaFontPanelDelegate *)_q_constructNativePanel(); NSWindow *ourPanel = [delegate actualPanel]; [ourPanel retain]; int rval = [NSApp runModalForWindow:ourPanel]; QAbstractEventDispatcher::instance()->interrupt(); [ourPanel release]; [delegate cleanUpAfterMyself]; [delegate release]; bool isOk = (rval == NSOKButton); if(isOk) rescode = QDialog::Accepted; else rescode = QDialog::Rejected; } bool QFontDialogPrivate::setVisible_sys(bool visible) { Q_Q(QFontDialog); if (!visible == q->isHidden()) return false; return visible; } QT_END_NAMESPACE #endif