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|
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt 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 "qfontdialog_p.h"
#if !defined(QT_NO_FONTDIALOG) && defined(Q_WS_MAC)
#include <qapplication.h>
#include <qdialogbuttonbox.h>
#include <qlineedit.h>
#include <private/qapplication_p.h>
#include <private/qfont_p.h>
#include <private/qfontengine_p.h>
#include <private/qt_cocoa_helpers_mac_p.h>
#include <private/qt_mac_p.h>
#include <qabstracteventdispatcher.h>
#include <qdebug.h>
#include <private/qfontengine_coretext_p.h>
#import <AppKit/AppKit.h>
#import <Foundation/Foundation.h>
#if !CGFLOAT_DEFINED
typedef float CGFloat; // Should only not be defined on 32-bit platforms
#endif
QT_BEGIN_NAMESPACE
extern void macStartInterceptNSPanelCtor();
extern void macStopInterceptNSPanelCtor();
extern NSButton *macCreateButton(const char *text, NSView *superview);
extern bool qt_mac_is_macsheet(const QWidget *w); // qwidget_mac.mm
QT_END_NAMESPACE
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 QT_MANGLE_NAMESPACE(QCocoaFontPanelDelegate);
#if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_5
@protocol NSWindowDelegate <NSObject>
- (NSSize)windowWillResize:(NSWindow *)window toSize:(NSSize)proposedFrameSize;
@end
#endif
@interface QT_MANGLE_NAMESPACE(QCocoaFontPanelDelegate) : NSObject <NSWindowDelegate> {
NSFontPanel *mFontPanel;
NSView *mStolenContentView;
NSButton *mOkButton;
NSButton *mCancelButton;
QFontDialogPrivate *mPriv;
QFont *mQtFont;
BOOL mPanelHackedWithButtons;
CGFloat mDialogExtraWidth;
CGFloat mDialogExtraHeight;
int mReturnCode;
BOOL mAppModal;
}
- (id)initWithFontPanel:(NSFontPanel *)panel
stolenContentView:(NSView *)stolenContentView
okButton:(NSButton *)okButton
cancelButton:(NSButton *)cancelButton
priv:(QFontDialogPrivate *)priv
extraWidth:(CGFloat)extraWidth
extraHeight:(CGFloat)extraHeight;
- (void)showModelessPanel;
- (void)showWindowModalSheet:(QWidget *)docWidget;
- (void)runApplicationModalPanel;
- (BOOL)isAppModal;
- (void)changeFont:(id)sender;
- (void)changeAttributes:(id)sender;
- (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;
- (void)setSubwindowStacking;
@end
static QFont qfontForCocoaFont(NSFont *cocoaFont, const QFont &resolveFont)
{
QFont newFont;
if (cocoaFont) {
int pSize = qRound([cocoaFont pointSize]);
CTFontDescriptorRef font = CTFontCopyFontDescriptor((CTFontRef)cocoaFont);
// QCoreTextFontDatabase::populateFontDatabase() is using localized names
QString family = QCFString::toQString((CFStringRef) CTFontDescriptorCopyLocalizedAttribute(font, kCTFontFamilyNameAttribute, NULL));
QString style = QCFString::toQString((CFStringRef) CTFontDescriptorCopyLocalizedAttribute(font, kCTFontStyleNameAttribute, NULL));
newFont = QFontDatabase().font(family, style, pSize);
newFont.setUnderline(resolveFont.underline());
newFont.setStrikeOut(resolveFont.strikeOut());
CFRelease(font);
}
return newFont;
}
@implementation QT_MANGLE_NAMESPACE(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;
mReturnCode = -1;
mAppModal = false;
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_7)
[mFontPanel setRestorable:NO];
#endif
if (mPanelHackedWithButtons) {
[self relayout];
[okButton setAction:@selector(onOkClicked)];
[okButton setTarget:self];
[cancelButton setAction:@selector(onCancelClicked)];
[cancelButton setTarget:self];
}
mQtFont = new QFont();
return self;
}
- (void)setSubwindowStacking
{
#ifdef QT_MAC_USE_COCOA
// Stack the native dialog in front of its parent, if any:
QFontDialog *q = mPriv->fontDialog();
if (!qt_mac_is_macsheet(q)) {
if (QWidget *parent = q->parentWidget()) {
if (parent->isWindow()) {
[qt_mac_window_for(parent)
addChildWindow:[mStolenContentView window] ordered:NSWindowAbove];
}
}
}
#endif
}
- (void)dealloc
{
delete mQtFont;
[super dealloc];
}
- (void)showModelessPanel
{
mAppModal = false;
NSWindow *ourPanel = [mStolenContentView window];
[ourPanel makeKeyAndOrderFront:self];
}
- (void)runApplicationModalPanel
{
QBoolBlocker nativeDialogOnTop(QApplicationPrivate::native_modal_dialog_active);
mAppModal = true;
NSWindow *ourPanel = [mStolenContentView window];
[ourPanel setReleasedWhenClosed:NO];
[NSApp runModalForWindow:ourPanel];
QAbstractEventDispatcher::instance()->interrupt();
if (mReturnCode == NSOKButton)
mPriv->fontDialog()->accept();
else
mPriv->fontDialog()->reject();
}
- (BOOL)isAppModal
{
return mAppModal;
}
- (void)showWindowModalSheet:(QWidget *)docWidget
{
#ifdef QT_MAC_USE_COCOA
NSWindow *window = qt_mac_window_for(docWidget);
#else
WindowRef hiwindowRef = qt_mac_window_for(docWidget);
NSWindow *window = [[NSWindow alloc] initWithWindowRef:hiwindowRef];
CFRetain(hiwindowRef);
#endif
mAppModal = false;
NSWindow *ourPanel = [mStolenContentView window];
[NSApp beginSheet:ourPanel
modalForWindow:window
modalDelegate:0
didEndSelector:0
contextInfo:0 ];
#ifndef QT_MAC_USE_COCOA
CFRelease(hiwindowRef);
#endif
}
- (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<NSNumber *>([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);
}
- (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<id <NSWindowDelegate> >(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<id <NSWindowDelegate> >(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)];
[self finishOffWithCode:NSOKButton];
}
- (void)onCancelClicked
{
Q_ASSERT(mPanelHackedWithButtons);
[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
{
#ifdef QT_MAC_USE_COCOA
QFontDialog *q = mPriv->fontDialog();
if (QWidget *parent = q->parentWidget()) {
if (parent->isWindow()) {
[qt_mac_window_for(parent) removeChildWindow:[mStolenContentView window]];
}
}
#endif
if(code == NSOKButton)
mPriv->sampleEdit->setFont([self qtFont]);
if (mAppModal) {
mReturnCode = code;
[NSApp stopModalWithCode:code];
} else {
if (code == NSOKButton)
mPriv->fontDialog()->accept();
else
mPriv->fontDialog()->reject();
}
}
- (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
void QFontDialogPrivate::closeCocoaFontPanel()
{
QMacCocoaAutoReleasePool pool;
QT_MANGLE_NAMESPACE(QCocoaFontPanelDelegate) *theDelegate = static_cast<QT_MANGLE_NAMESPACE(QCocoaFontPanelDelegate) *>(delegate);
NSWindow *ourPanel = [theDelegate actualPanel];
[ourPanel close];
if ([theDelegate isAppModal])
[ourPanel release];
[theDelegate cleanUpAfterMyself];
[theDelegate release];
this->delegate = 0;
sharedFontPanelAvailable = true;
}
void QFontDialogPrivate::setFont(void *delegate, const QFont &font)
{
QMacCocoaAutoReleasePool pool;
QFontEngine *fe = font.d->engineForScript(QUnicodeTables::Common);
NSFontManager *mgr = [NSFontManager sharedFontManager];
const 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<const NSFont *>(static_cast<QCoreTextFontEngineMulti *>(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:const_cast<NSFont *>(nsFont) isMultiple:NO];
[static_cast<QT_MANGLE_NAMESPACE(QCocoaFontPanelDelegate) *>(delegate) setQtFont:font];
}
void QFontDialogPrivate::createNSFontPanelDelegate()
{
if (delegate)
return;
sharedFontPanelAvailable = false;
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 the delegate and set it
QT_MANGLE_NAMESPACE(QCocoaFontPanelDelegate) *del = [[QT_MANGLE_NAMESPACE(QCocoaFontPanelDelegate) alloc] initWithFontPanel:sharedFontPanel
stolenContentView:stolenContentView
okButton:okButton
cancelButton:cancelButton
priv:this
extraWidth:dialogExtraWidth
extraHeight:dialogExtraHeight];
delegate = del;
[ourPanel setDelegate:del];
[[NSFontManager sharedFontManager] setDelegate:del];
#ifdef QT_MAC_USE_COCOA
[[NSFontManager sharedFontManager] setTarget:del];
#endif
setFont(del, q_func()->currentFont());
{
// 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 = [del windowWillResize:ourPanel toSize:frameRect.size];
[ourPanel setFrame:frameRect display:NO];
[ourPanel center];
}
[del setSubwindowStacking];
NSString *title = @"Select font";
[ourPanel setTitle:title];
}
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()
{
createNSFontPanelDelegate();
QT_MANGLE_NAMESPACE(QCocoaFontPanelDelegate) *del = static_cast<QT_MANGLE_NAMESPACE(QCocoaFontPanelDelegate) *>(delegate);
[del runApplicationModalPanel];
}
bool QFontDialogPrivate::showCocoaFontPanel()
{
if (!sharedFontPanelAvailable)
return false;
Q_Q(QFontDialog);
QMacCocoaAutoReleasePool pool;
createNSFontPanelDelegate();
QT_MANGLE_NAMESPACE(QCocoaFontPanelDelegate) *del = static_cast<QT_MANGLE_NAMESPACE(QCocoaFontPanelDelegate) *>(delegate);
if (qt_mac_is_macsheet(q))
[del showWindowModalSheet:q->parentWidget()];
else
[del showModelessPanel];
return true;
}
bool QFontDialogPrivate::hideCocoaFontPanel()
{
if (!delegate){
// Nothing to do. We return false to leave the question
// open regarding whether or not to go native:
return false;
} else {
closeCocoaFontPanel();
// Even when we hide it, we are still using a
// native dialog, so return true:
return true;
}
}
bool QFontDialogPrivate::setVisible_sys(bool visible)
{
Q_Q(QFontDialog);
if (!visible == q->isHidden())
return false;
return visible ? showCocoaFontPanel() : hideCocoaFontPanel();
}
QT_END_NAMESPACE
#endif
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