Remove all the last vestiges of QuickDraw in Qt/Mac.

Panther was the last reason for having this around. We don't touch this
code anywhere else in Qt. As a result it's orphaned and can be safely
removed. It truly is the end of an era, but it's definitely worth
celebrating. Quartz4Life!

6 files changed, 3 insertions, 227 deletions

diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp
index 3e5c9b7..18829f4 100644
--- a/src/gui/image/qpixmap.cpp
+++ b/src/gui/image/qpixmap.cpp
@@ -671,12 +671,7 @@ void QPixmap::resize_helper(const QSize &s)
         p.drawPixmap(0, 0, *this, 0, 0, qMin(width(), w), qMin(height(), h));
     }
 
-#if defined(Q_WS_MAC)
-#ifndef QT_MAC_NO_QUICKDRAW
-    if(macData && macData->qd_alpha)
-        macData->macQDUpdateAlpha();
-#endif
-#elif defined(Q_WS_X11)
+#if defined(Q_WS_X11)
     if (x11Data && x11Data->x11_mask) {
         QX11PixmapData *pmData = static_cast<QX11PixmapData*>(pm.data);
         pmData->x11_mask = (Qt::HANDLE)XCreatePixmap(X11->display,
@@ -1945,11 +1940,6 @@ void QPixmap::detach()
 
     if (data->ref != 1) {
         *this = copy();
-#if defined(Q_WS_MAC) && !defined(QT_MAC_NO_QUICKDRAW)
-        if (id == QPixmapData::MacClass) {
-            macData->qd_alpha = 0;
-        }
-#endif
     }
     ++data->detach_no;
 
diff --git a/src/gui/image/qpixmap_mac.cpp b/src/gui/image/qpixmap_mac.cpp
index 25ef8ba..c14c059 100644
--- a/src/gui/image/qpixmap_mac.cpp
+++ b/src/gui/image/qpixmap_mac.cpp
@@ -166,9 +166,6 @@ QMacPixmapData::QMacPixmapData(PixelType type)
     : QPixmapData(type, MacClass), has_alpha(0), has_mask(0),
       uninit(true), pixels(0), pixelsToFree(0), bytesPerRow(0),
       cg_data(0), cg_dataBeingReleased(0), cg_mask(0),
-#ifndef QT_MAC_NO_QUICKDRAW
-      qd_data(0), qd_alpha(0),
-#endif
       pengine(0)
 {
 }
@@ -494,13 +491,6 @@ int QMacPixmapData::metric(QPaintDevice::PaintDeviceMetric theMetric) const
 QMacPixmapData::~QMacPixmapData()
 {
     validDataPointers.remove(this);
-#ifndef QT_MAC_NO_QUICKDRAW
-    macQDDisposeAlpha();
-    if (qd_data) {
-        DisposeGWorld(qd_data);
-        qd_data = 0;
-    }
-#endif
     if (cg_mask) {
         CGImageRelease(cg_mask);
         cg_mask = 0;
@@ -589,48 +579,9 @@ void QMacPixmapData::macGetAlphaChannel(QMacPixmapData *pix, bool asMask) const
 void QMacPixmapData::macSetHasAlpha(bool b)
 {
     has_alpha = b;
-#ifndef QT_MAC_NO_QUICKDRAW
-    macQDDisposeAlpha(); //let it get created lazily
-#endif
     macReleaseCGImageRef();
 }
 
-#ifndef QT_MAC_NO_QUICKDRAW
-void QMacPixmapData::macQDDisposeAlpha()
-{
-    if (qd_alpha) {
-        DisposeGWorld(qd_alpha);
-        qd_alpha = 0;
-    }
-}
-
-void QMacPixmapData::macQDUpdateAlpha()
-{
-    macQDDisposeAlpha(); // get rid of alpha pixmap
-    if (!has_alpha && !has_mask)
-        return;
-
-    //setup
-    Rect rect;
-    SetRect(&rect, 0, 0, w, h);
-    const int params = alignPix | stretchPix | newDepth;
-    NewGWorld(&qd_alpha, 32, &rect, 0, 0, params);
-    int *dptr = (int *)GetPixBaseAddr(GetGWorldPixMap(qd_alpha)), *drow;
-    unsigned short dbpr = GetPixRowBytes(GetGWorldPixMap(qd_alpha));
-    const int *sptr = (int*)pixels, *srow;
-    const uint sbpr = bytesPerRow;
-    uchar clr;
-    for (int y = 0; y < h; ++y) {
-        drow = (int*)((char *)dptr + (y * dbpr));
-        srow = (int*)((char *)sptr + (y * sbpr));
-        for (int x=0; x < w; x++) {
-            clr = qAlpha(*(srow + x));
-            *(drow + x) = qRgba(~clr, ~clr, ~clr, 0);
-        }
-    }
-}
-#endif
-
 void QMacPixmapData::macCreateCGImageRef()
 {
     Q_ASSERT(cg_data == 0);
@@ -979,31 +930,12 @@ QPixmap QPixmap::grabWindow(WId window, int x, int y, int w, int h)
     relocated.
 
     \warning This function is only available on Mac OS X.
+    \warning As of Qt 4.6, this function \em{always} returns zero.
 */
 
 Qt::HANDLE QPixmap::macQDHandle() const
 {
-#ifndef QT_MAC_NO_QUICKDRAW
-    QMacPixmapData *d = static_cast<QMacPixmapData*>(data);
-    if (!d->qd_data) { //create the qd data
-        Rect rect;
-        SetRect(&rect, 0, 0, d->w, d->h);
-        unsigned long qdformat = k32ARGBPixelFormat;
-        GWorldFlags qdflags = 0;
-        //we play such games so we can use the same buffer in CG as QD this
-        //makes our merge much simpler, at some point the hacks will go away
-        //because QD will be removed, but until that day this keeps them coexisting
-        if (QSysInfo::ByteOrder == QSysInfo::LittleEndian)
-            qdformat = k32BGRAPixelFormat;
-
-        if(NewGWorldFromPtr(&d->qd_data, qdformat, &rect, 0, 0, qdflags,
-                            (char*)d->pixels, d->bytesPerRow) != noErr)
-            qWarning("Qt: internal: QPixmap::init error (%d %d %d %d)", rect.left, rect.top, rect.right, rect.bottom);
-    }
-    return d->qd_data;
-#else
     return 0;
-#endif
 }
 
 /*! \internal
@@ -1013,18 +945,11 @@ Qt::HANDLE QPixmap::macQDHandle() const
     long as it can be relocated.
 
     \warning This function is only available on Mac OS X.
+    \warning As of Qt 4.6, this function \em{always} returns zero.
 */
 
 Qt::HANDLE QPixmap::macQDAlphaHandle() const
 {
-#ifndef QT_MAC_NO_QUICKDRAW
-    QMacPixmapData *d = static_cast<QMacPixmapData*>(data);
-    if (d->has_alpha || d->has_mask) {
-        if (!d->qd_alpha) //lazily created
-            d->macQDUpdateAlpha();
-        return d->qd_alpha;
-    }
-#endif
     return 0;
 }
 
@@ -1094,7 +1019,6 @@ IconRef qt_mac_create_iconref(const QPixmap &px)
     if (px.isNull())
         return 0;
 
-    QMacSavedPortInfo pi; //save the current state
     //create icon
     IconFamilyHandle iconFamily = reinterpret_cast<IconFamilyHandle>(NewHandle(0));
     //create data
diff --git a/src/gui/image/qpixmap_mac_p.h b/src/gui/image/qpixmap_mac_p.h
index a3ff0d3..ea6fe60 100644
--- a/src/gui/image/qpixmap_mac_p.h
+++ b/src/gui/image/qpixmap_mac_p.h
@@ -109,11 +109,6 @@ private:
     uint bytesPerRow;
     QRectF cg_mask_rect;
     CGImageRef cg_data, cg_dataBeingReleased, cg_mask;
-#ifndef QT_MAC_NO_QUICKDRAW
-    GWorldPtr qd_data, qd_alpha;
-    void macQDDisposeAlpha();
-    void macQDUpdateAlpha();
-#endif
     static QSet<QMacPixmapData*> validDataPointers;
 
     QPaintEngine *pengine;
diff --git a/src/gui/kernel/qeventdispatcher_mac.mm b/src/gui/kernel/qeventdispatcher_mac.mm
index cde0c47..af36d9f 100644
--- a/src/gui/kernel/qeventdispatcher_mac.mm
+++ b/src/gui/kernel/qeventdispatcher_mac.mm
@@ -506,16 +506,6 @@ bool QEventDispatcherMac::processEvents(QEventLoop::ProcessEventsFlags flags)
     wakeUp();
     emit awake();
 
-#ifndef QT_MAC_NO_QUICKDRAW
-    if(!qt_mac_safe_pdev) { //create an empty widget and this can be used for a port anytime
-        QWidget *tlw = new QWidget;
-        tlw->setAttribute(Qt::WA_DeleteOnClose);
-        tlw->setObjectName(QLatin1String("empty_widget"));
-        tlw->hide();
-        qt_mac_safe_pdev = tlw;
-    }
-#endif
-
     bool retVal = false;
     forever {
         if (d->interrupt)
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index 1717fbd..70eea3a 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -1116,23 +1116,9 @@ OSStatus QWidgetPrivate::qt_widget_event(EventHandlerCallRef er, EventRef event,
                 //update handles
                 GrafPtr qd = 0;
                 CGContextRef cg = 0;
-#ifndef QT_MAC_NO_QUICKDRAW
-                {
-                    if(GetEventParameter(event, kEventParamGrafPort, typeGrafPtr, 0, sizeof(qd), 0, &qd) != noErr) {
-                        GDHandle dev = 0;
-                        GetGWorld(&qd, &dev); //just use the global port..
-                    }
-                }
-                bool end_cg_context = false;
-                if(GetEventParameter(event, kEventParamCGContextRef, typeCGContextRef, 0, sizeof(cg), 0, &cg) != noErr && qd) {
-                    end_cg_context = true;
-                    QDBeginCGContext(qd, &cg);
-                }
-#else
                 if(GetEventParameter(event, kEventParamCGContextRef, typeCGContextRef, 0, sizeof(cg), 0, &cg) != noErr) {
                     Q_ASSERT(false);
                 }
-#endif
                 widget->d_func()->hd = cg;
                 widget->d_func()->qd_hd = qd;
                 CGContextSaveGState(cg);
@@ -1252,10 +1238,6 @@ OSStatus QWidgetPrivate::qt_widget_event(EventHandlerCallRef er, EventRef event,
                 widget->d_func()->hd = 0;
                 widget->d_func()->qd_hd = 0;
                 CGContextRestoreGState(cg);
-#ifndef QT_MAC_NO_QUICKDRAW
-                if(end_cg_context)
-                    QDEndCGContext(qd, &cg);
-#endif
             } else if(!HIObjectIsOfClass((HIObjectRef)hiview, kObjectQWidget)) {
                 CallNextEventHandler(er, event);
             }
diff --git a/src/gui/painting/qpaintengine_mac_p.h b/src/gui/painting/qpaintengine_mac_p.h
index 755b7b1..20a4a08 100644
--- a/src/gui/painting/qpaintengine_mac_p.h
+++ b/src/gui/painting/qpaintengine_mac_p.h
@@ -58,9 +58,6 @@
 #include "private/qpaintengine_p.h"
 #include "private/qpolygonclipper_p.h"
 #include "QtCore/qhash.h"
-#ifndef QT_MAC_NO_QUICKDRAW
-#include <private/qwidget_p.h>
-#endif
 
 typedef struct CGColorSpace *CGColorSpaceRef;
 QT_BEGIN_NAMESPACE
@@ -69,108 +66,6 @@ extern int qt_defaultDpi();
 extern int qt_defaultDpiX();
 extern int qt_defaultDpiY();
 
-#ifndef QT_MAC_NO_QUICKDRAW
-class QMacSavedPortInfo
-{
-    RgnHandle clip;
-    GWorldPtr world;
-    GDHandle handle;
-    PenState pen; //go pennstate
-    RGBColor back, fore;
-    bool valid_gworld;
-    void init();
-
-public:
-    inline QMacSavedPortInfo() { init(); }
-    inline QMacSavedPortInfo(QPaintDevice *pd) { init(); setPaintDevice(pd); }
-    inline QMacSavedPortInfo(QPaintDevice *pd, const QRect &r)
-        { init(); setPaintDevice(pd); setClipRegion(r); }
-    inline QMacSavedPortInfo(QPaintDevice *pd, const QRegion &r)
-        { init(); setPaintDevice(pd); setClipRegion(r); }
-    ~QMacSavedPortInfo();
-    static inline bool setClipRegion(const QRect &r);
-    static inline bool setClipRegion(const QRegion &r);
-    static inline bool setPaintDevice(QPaintDevice *);
-};
-
-inline bool
-QMacSavedPortInfo::setClipRegion(const QRect &rect)
-{
-    Rect r;
-    SetRect(&r, rect.x(), rect.y(), rect.right()+1, rect.bottom()+1);
-    ClipRect(&r);
-    return true;
-}
-
-inline bool
-QMacSavedPortInfo::setClipRegion(const QRegion &r)
-{
-    if(r.isEmpty())
-        return setClipRegion(QRect());
-    QMacSmartQuickDrawRegion rgn(r.toQDRgn());
-    SetClip(rgn);
-    return true;
-}
-
-inline bool
-QMacSavedPortInfo::setPaintDevice(QPaintDevice *pd)
-{
-    if(!pd)
-        return false;
-    bool ret = true;
-    extern GrafPtr qt_mac_qd_context(const QPaintDevice *); // qpaintdevice_mac.cpp
-    if(pd->devType() == QInternal::Widget)
-        SetPortWindowPort(qt_mac_window_for(static_cast<QWidget*>(pd)));
-    else if(pd->devType() == QInternal::Pixmap || pd->devType() == QInternal::Printer)
-        SetGWorld((GrafPtr)qt_mac_qd_context(pd), 0); //set the gworld
-    return ret;
-}
-
-inline void
-QMacSavedPortInfo::init()
-{
-    GetBackColor(&back);
-    GetForeColor(&fore);
-    GetGWorld(&world, &handle);
-    valid_gworld = true;
-    clip = NewRgn();
-    GetClip(clip);
-    GetPenState(&pen);
-}
-
-inline QMacSavedPortInfo::~QMacSavedPortInfo()
-{
-    bool set_state = false;
-    if(valid_gworld) {
-        set_state = IsValidPort(world);
-        if(set_state)
-            SetGWorld(world,handle); //always do this one first
-    } else {
-        setPaintDevice(qt_mac_safe_pdev);
-    }
-    if(set_state) {
-        SetClip(clip);
-        SetPenState(&pen);
-        RGBForeColor(&fore);
-        RGBBackColor(&back);
-    }
-    DisposeRgn(clip);
-}
-#else
-class QMacSavedPortInfo
-{
-public:
-    inline QMacSavedPortInfo() { }
-    inline QMacSavedPortInfo(QPaintDevice *) { }
-    inline QMacSavedPortInfo(QPaintDevice *, const QRect &) { }
-    inline QMacSavedPortInfo(QPaintDevice *, const QRegion &) { }
-    ~QMacSavedPortInfo() { }
-    static inline bool setClipRegion(const QRect &) { return false; }
-    static inline bool setClipRegion(const QRegion &) { return false; }
-    static inline bool setPaintDevice(QPaintDevice *) { return false; }
-};
-#endif
-
 class QCoreGraphicsPaintEnginePrivate;
 class QCoreGraphicsPaintEngine : public QPaintEngine
 {