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Diffstat (limited to 'src/gui/dialogs/qfontdialog_mac.mm')
| -rw-r--r-- | src/gui/dialogs/qfontdialog_mac.mm | 625 |
1 files changed, 625 insertions, 0 deletions
diff --git a/src/gui/dialogs/qfontdialog_mac.mm b/src/gui/dialogs/qfontdialog_mac.mm new file mode 100644 index 0000000..d6ddfa3 --- /dev/null +++ b/src/gui/dialogs/qfontdialog_mac.mm @@ -0,0 +1,625 @@ +/**************************************************************************** +** +** 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 "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_mac_p.h> +#include <qdebug.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_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 <NSObject> @end + +#endif + +@interface QCocoaFontPanelDelegate : NSObject <NSWindowDelegate> { + NSFontPanel *mFontPanel; + NSView *mStolenContentView; + NSButton *mOkButton; + NSButton *mCancelButton; + QFontDialogPrivate *mPriv; + NSFont *mCocoaFont; + 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 + +@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; + mCocoaFont = 0; + 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 +{ + if (mCocoaFont) + [mCocoaFont release]; + delete mQtFont; + [super dealloc]; +} + +- (void)changeFont:(id)sender +{ + Q_UNUSED(sender); + + QFont newFont; + + if (mCocoaFont) + [mCocoaFont autorelease]; + NSFont *dummyFont = [NSFont userFontOfSize:12.0]; + mCocoaFont = [sender convertFont:dummyFont]; + if (mCocoaFont) { + [mCocoaFont retain]; + + int pSize = qRound([mCocoaFont pointSize]); + QString family(QCFString::toQString(reinterpret_cast<CFStringRef>([mCocoaFont familyName]))); + QString typeface(QCFString::toQString(reinterpret_cast<CFStringRef>([mCocoaFont fontName]))); +// qDebug() << "original family" << family << "typeface" << typeface << "psize" << pSize; + int hyphenPos = typeface.indexOf(QLatin1Char('-')); + if (hyphenPos != -1) { + typeface.remove(0, hyphenPos + 1); + } else { + typeface = QLatin1String("Normal"); + } +// qDebug() << " massaged family" << family << "typeface" << typeface << "psize" << pSize; + newFont = QFontDatabase().font(family, typeface, pSize); + newFont.setUnderline(mQtFont->underline()); + newFont.setStrikeOut(mQtFont->strikeOut()); + } + + [self setQtFont:newFont]; + 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); +} + +- (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<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); + [[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; + } + + // temporary hack to work around bug in deleteLater() in Qt/Mac Cocoa +#if 1 + bool deleteDialog = mPriv->fontDialog()->testAttribute(Qt::WA_DeleteOnClose); + mPriv->fontDialog()->setAttribute(Qt::WA_DeleteOnClose, false); +#endif + mPriv->done((code == NSOKButton) ? QDialog::Accepted : QDialog::Rejected); +#if 1 + if (deleteDialog) + delete mPriv->fontDialog(); +#endif + } 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]; +} +@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]; + 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) +{ + QCocoaFontPanelDelegate *theDelegate = static_cast<QCocoaFontPanelDelegate *>(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<QCocoaFontPanelDelegate *>( + 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) +{ + QFontEngine *fe = font.d->engineForScript(QUnicodeTables::Common); +#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 + if (qstrcmp(fe->name(), "CoreText") == 0) { + const NSFont *nsFont = reinterpret_cast<const NSFont *>(static_cast<QCoreTextFontEngineMulti *>(fe)->ctfont); + [[NSFontManager sharedFontManager] setSelectedFont:nsFont isMultiple:NO]; + } +#endif + [static_cast<QCocoaFontPanelDelegate *>(delegate) setQtFont:font]; +} + +QT_END_NAMESPACE + +#endif |