Merge branch 'origin/4.6' into widgets-team/4.6

13 files changed, 100 insertions, 103 deletions

diff --git a/src/gui/egl/qegl.cpp b/src/gui/egl/qegl.cpp
index 840b9d6..39291d3 100644
--- a/src/gui/egl/qegl.cpp
+++ b/src/gui/egl/qegl.cpp
@@ -61,6 +61,7 @@ QEglContext::QEglContext()
     , cfg(0)
     , currentSurface(EGL_NO_SURFACE)
     , current(false)
+    , ownsContext(true)
 {
 }
 
@@ -206,7 +207,7 @@ void QEglContext::destroySurface(EGLSurface surface)
 // Destroy the context.  Note: this does not destroy the surface.
 void QEglContext::destroy()
 {
-    if (ctx != EGL_NO_CONTEXT)
+    if (ctx != EGL_NO_CONTEXT && ownsContext)
         eglDestroyContext(dpy, ctx);
     dpy = EGL_NO_DISPLAY;
     ctx = EGL_NO_CONTEXT;
diff --git a/src/gui/egl/qegl_p.h b/src/gui/egl/qegl_p.h
index dc399da..16b5b16 100644
--- a/src/gui/egl/qegl_p.h
+++ b/src/gui/egl/qegl_p.h
@@ -110,7 +110,7 @@ public:
     EGLDisplay display() const { return dpy; }
 
     EGLContext context() const { return ctx; }
-    void setContext(EGLContext context) { ctx = context; }
+    void setContext(EGLContext context) { ctx = context; ownsContext = false;}
 
     EGLConfig config() const { return cfg; }
     void setConfig(EGLConfig config) { cfg = config; }
@@ -131,6 +131,7 @@ private:
     EGLConfig cfg;
     EGLSurface currentSurface;
     bool current;
+    bool ownsContext;
 
     static EGLDisplay getDisplay(QPaintDevice *device);
 
diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h
index 8621b11..5b401ba 100644
--- a/src/gui/graphicsview/qgraphicsitem_p.h
+++ b/src/gui/graphicsview/qgraphicsitem_p.h
@@ -539,7 +539,7 @@ struct QGraphicsItemPrivate::TransformData
             QMatrix4x4 m;
             for (int i = 0; i < graphicsTransforms.size(); ++i)
                 graphicsTransforms.at(i)->applyTo(&m);
-            x *= m.toTransform();
+            x *= m.toTransform(0);
         }
         x.translate(xOrigin, yOrigin);
         x.rotate(rotation);
diff --git a/src/gui/graphicsview/qgraphicstransform.cpp b/src/gui/graphicsview/qgraphicstransform.cpp
index ec1a2f5..49d8999 100644
--- a/src/gui/graphicsview/qgraphicstransform.cpp
+++ b/src/gui/graphicsview/qgraphicstransform.cpp
@@ -547,7 +547,9 @@ void QGraphicsRotation::applyTo(QMatrix4x4 *matrix) const
         return;
 
     matrix->translate(d->origin);
-    matrix->rotate(d->angle, d->axis.x(), d->axis.y(), d->axis.z());
+    QMatrix4x4 m;
+    m.rotate(d->angle, d->axis.x(), d->axis.y(), d->axis.z());
+    *matrix *= m.toTransform();
     matrix->translate(-d->origin);
 }
 
diff --git a/src/gui/image/qimagepixmapcleanuphooks.cpp b/src/gui/image/qimagepixmapcleanuphooks.cpp
index d08d3ef..ac30646 100644
--- a/src/gui/image/qimagepixmapcleanuphooks.cpp
+++ b/src/gui/image/qimagepixmapcleanuphooks.cpp
@@ -70,19 +70,30 @@ QImagePixmapCleanupHooks *QImagePixmapCleanupHooks::instance()
     return qt_image_and_pixmap_cleanup_hooks;
 }
 
-void QImagePixmapCleanupHooks::addPixmapHook(_qt_pixmap_cleanup_hook_pm hook)
+void QImagePixmapCleanupHooks::addPixmapModificationHook(_qt_pixmap_cleanup_hook_pm hook)
 {
-    pixmapHooks.append(hook);
+    pixmapModificationHooks.append(hook);
 }
 
+void QImagePixmapCleanupHooks::addPixmapDestructionHook(_qt_pixmap_cleanup_hook_pm hook)
+{
+    pixmapDestructionHooks.append(hook);
+}
+
+
 void QImagePixmapCleanupHooks::addImageHook(_qt_image_cleanup_hook_64 hook)
 {
     imageHooks.append(hook);
 }
 
-void QImagePixmapCleanupHooks::removePixmapHook(_qt_pixmap_cleanup_hook_pm hook)
+void QImagePixmapCleanupHooks::removePixmapModificationHook(_qt_pixmap_cleanup_hook_pm hook)
+{
+    pixmapModificationHooks.removeAll(hook);
+}
+
+void QImagePixmapCleanupHooks::removePixmapDestructionHook(_qt_pixmap_cleanup_hook_pm hook)
 {
-    pixmapHooks.removeAll(hook);
+    pixmapDestructionHooks.removeAll(hook);
 }
 
 void QImagePixmapCleanupHooks::removeImageHook(_qt_image_cleanup_hook_64 hook)
@@ -91,18 +102,29 @@ void QImagePixmapCleanupHooks::removeImageHook(_qt_image_cleanup_hook_64 hook)
 }
 
 
-void QImagePixmapCleanupHooks::executePixmapHooks(QPixmap* pm)
+void QImagePixmapCleanupHooks::executePixmapModificationHooks(QPixmap* pm)
 {
-    for (int i = 0; i < qt_image_and_pixmap_cleanup_hooks->pixmapHooks.count(); ++i)
-        qt_image_and_pixmap_cleanup_hooks->pixmapHooks[i](pm);
+    Q_ASSERT(qt_image_and_pixmap_cleanup_hooks);
+    for (int i = 0; i < qt_image_and_pixmap_cleanup_hooks->pixmapModificationHooks.count(); ++i)
+        qt_image_and_pixmap_cleanup_hooks->pixmapModificationHooks[i](pm);
 
     if (qt_pixmap_cleanup_hook_64)
         qt_pixmap_cleanup_hook_64(pm->cacheKey());
 }
 
+void QImagePixmapCleanupHooks::executePixmapDestructionHooks(QPixmap* pm)
+{
+    Q_ASSERT(qt_image_and_pixmap_cleanup_hooks);
+    for (int i = 0; i < qt_image_and_pixmap_cleanup_hooks->pixmapDestructionHooks.count(); ++i)
+        qt_image_and_pixmap_cleanup_hooks->pixmapDestructionHooks[i](pm);
+
+    if (qt_pixmap_cleanup_hook_64)
+        qt_pixmap_cleanup_hook_64(pm->cacheKey());
+}
 
 void QImagePixmapCleanupHooks::executeImageHooks(qint64 key)
 {
+    Q_ASSERT(qt_image_and_pixmap_cleanup_hooks);
     for (int i = 0; i < qt_image_and_pixmap_cleanup_hooks->imageHooks.count(); ++i)
         qt_image_and_pixmap_cleanup_hooks->imageHooks[i](key);
 
diff --git a/src/gui/image/qimagepixmapcleanuphooks_p.h b/src/gui/image/qimagepixmapcleanuphooks_p.h
index dd2d0f7..16c8974 100644
--- a/src/gui/image/qimagepixmapcleanuphooks_p.h
+++ b/src/gui/image/qimagepixmapcleanuphooks_p.h
@@ -70,18 +70,27 @@ public:
 
     static QImagePixmapCleanupHooks *instance();
 
-    void addPixmapHook(_qt_pixmap_cleanup_hook_pm);
+    // Gets called when a pixmap is about to be modified:
+    void addPixmapModificationHook(_qt_pixmap_cleanup_hook_pm);
+
+    // Gets called when a pixmap is about to be destroyed:
+    void addPixmapDestructionHook(_qt_pixmap_cleanup_hook_pm);
+
+    // Gets called when an image is about to be modified or destroyed:
     void addImageHook(_qt_image_cleanup_hook_64);
 
-    void removePixmapHook(_qt_pixmap_cleanup_hook_pm);
+    void removePixmapModificationHook(_qt_pixmap_cleanup_hook_pm);
+    void removePixmapDestructionHook(_qt_pixmap_cleanup_hook_pm);
     void removeImageHook(_qt_image_cleanup_hook_64);
 
-    static void executePixmapHooks(QPixmap*);
+    static void executePixmapModificationHooks(QPixmap*);
+    static void executePixmapDestructionHooks(QPixmap*);
     static void executeImageHooks(qint64 key);
 
 private:
     QList<_qt_image_cleanup_hook_64> imageHooks;
-    QList<_qt_pixmap_cleanup_hook_pm> pixmapHooks;
+    QList<_qt_pixmap_cleanup_hook_pm> pixmapModificationHooks;
+    QList<_qt_pixmap_cleanup_hook_pm> pixmapDestructionHooks;
 };
 
 QT_END_NAMESPACE
diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp
index c03a364..f94552d 100644
--- a/src/gui/image/qpixmap.cpp
+++ b/src/gui/image/qpixmap.cpp
@@ -322,8 +322,9 @@ QPixmap::QPixmap(const char * const xpm[])
 
 QPixmap::~QPixmap()
 {
-    if (data->is_cached && data->ref == 1)
-        QImagePixmapCleanupHooks::executePixmapHooks(this);
+    Q_ASSERT(data->ref >= 1); // Catch if ref-counting changes again
+    if (data->is_cached && data->ref == 1) // ref will be decrememnted after destructor returns
+        QImagePixmapCleanupHooks::executePixmapDestructionHooks(this);
 }
 
 /*!
@@ -959,7 +960,17 @@ void QPixmap::fill(const QColor &color)
         return;
     }
 
-    detach();
+    if (data->ref == 1) {
+        // detach() will also remove this pixmap from caches, so
+        // it has to be called even when ref == 1.
+        detach();
+    } else {
+        // Don't bother to make a copy of the data object, since
+        // it will be filled with new pixel data anyway.
+        QPixmapData *d = data->createCompatiblePixmapData();
+        d->resize(data->width(), data->height());
+        data = d;
+    }
     data->fill(color);
 }
 
@@ -1907,7 +1918,7 @@ void QPixmap::detach()
     }
 
     if (data->is_cached && data->ref == 1)
-        QImagePixmapCleanupHooks::executePixmapHooks(this);
+        QImagePixmapCleanupHooks::executePixmapModificationHooks(this);
 
 #if defined(Q_WS_MAC)
     QMacPixmapData *macData = id == QPixmapData::MacClass ? static_cast<QMacPixmapData*>(data.data()) : 0;
diff --git a/src/gui/image/qpixmap_x11_p.h b/src/gui/image/qpixmap_x11_p.h
index 2d6672d..8ce7c0d 100644
--- a/src/gui/image/qpixmap_x11_p.h
+++ b/src/gui/image/qpixmap_x11_p.h
@@ -103,6 +103,7 @@ private:
     friend class QRasterWindowSurface;
     friend class QGLContextPrivate; // Needs to access xinfo, gl_surface & flags
     friend class QEglContext; // Needs gl_surface
+    friend class QX11GLPixmapData; // Needs gl_surface
     friend bool  qt_createEGLSurfaceForPixmap(QPixmapData*, bool); // Needs gl_surface
 
     void release();
diff --git a/src/gui/kernel/qapplication_mac.mm b/src/gui/kernel/qapplication_mac.mm
index f9c8aa3..771cddc 100644
--- a/src/gui/kernel/qapplication_mac.mm
+++ b/src/gui/kernel/qapplication_mac.mm
@@ -203,6 +203,8 @@ static EventHandlerRef tablet_proximity_handler = 0;
 static EventHandlerUPP tablet_proximity_UPP = 0;
 bool QApplicationPrivate::native_modal_dialog_active;
 
+Q_GUI_EXPORT bool qt_applefontsmoothing_enabled;
+
 /*****************************************************************************
   External functions
  *****************************************************************************/
@@ -222,6 +224,12 @@ extern bool qt_sendSpontaneousEvent(QObject *obj, QEvent *event); // qapplicatio
 void onApplicationWindowChangedActivation( QWidget*widget, bool activated );
 void onApplicationChangedActivation( bool activated );
 
+static void qt_mac_read_fontsmoothing_settings()
+{
+    NSInteger appleFontSmoothing = [[NSUserDefaults standardUserDefaults] integerForKey:@"AppleFontSmoothing"];
+    qt_applefontsmoothing_enabled = (appleFontSmoothing > 0);
+}
+
 Q_GUI_EXPORT bool qt_mac_execute_apple_script(const char *script, long script_len, AEDesc *ret) {
     OSStatus err;
     AEDesc scriptTextDesc;
@@ -1203,6 +1211,9 @@ void qt_init(QApplicationPrivate *priv, int)
     }
     if (QApplication::desktopSettingsAware())
         QApplicationPrivate::qt_mac_apply_settings();
+
+    qt_mac_read_fontsmoothing_settings();
+
     // Cocoa application delegate
 #ifdef QT_MAC_USE_COCOA
     NSApplication *cocoaApp = [NSApplication sharedApplication];
diff --git a/src/gui/painting/qpaintengine.h b/src/gui/painting/qpaintengine.h
index 5b82e7b..bf4b4ea 100644
--- a/src/gui/painting/qpaintengine.h
+++ b/src/gui/painting/qpaintengine.h
@@ -278,6 +278,7 @@ private:
     friend class QWin32PaintEnginePrivate;
     friend class QMacCGContext;
     friend class QPreviewPaintEngine;
+    friend class QX11GLPixmapData;
 };
 
 
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index fab2d8d..fd0e810 100644
--- a/src/gui/painting/qpaintengine_raster.cpp
+++ b/src/gui/painting/qpaintengine_raster.cpp
@@ -132,6 +132,10 @@ static const qreal aliasedCoordinateDelta = 0.5 - 0.015625;
 extern bool qt_cleartype_enabled;
 #endif
 
+#ifdef Q_WS_MAC
+extern bool qt_applefontsmoothing_enabled;
+#endif
+
 
 /********************************************************************************
  * Span functions
@@ -508,7 +512,7 @@ bool QRasterPaintEngine::begin(QPaintDevice *device)
 #if defined(Q_WS_WIN)
     else if (qt_cleartype_enabled)
 #elif defined (Q_WS_MAC)
-    else if (true)
+    else if (qt_applefontsmoothing_enabled)
 #else
     else if (false)
 #endif
diff --git a/src/gui/painting/qtextureglyphcache.cpp b/src/gui/painting/qtextureglyphcache.cpp
index 9e5707d..a192e87 100644
--- a/src/gui/painting/qtextureglyphcache.cpp
+++ b/src/gui/painting/qtextureglyphcache.cpp
@@ -229,16 +229,9 @@ void QImageTextureGlyphCache::createTextureData(int width, int height)
 
 int QImageTextureGlyphCache::glyphMargin() const
 {
-#ifdef Q_WS_MAC
-
-#ifdef QT_MAC_USE_COCOA
-    // For cocoa the margin is built into the glyph it seems..
+#if defined(Q_WS_MAC) && defined(QT_MAC_USE_COCOA)
     return 0;
 #else
-    return 2;
-#endif
-
-#else
     return m_type == QFontEngineGlyphCache::Raster_RGBMask ? 2 : 0;
 #endif
 }
diff --git a/src/gui/text/qfontengine_win.cpp b/src/gui/text/qfontengine_win.cpp
index cc555a3..d781c70 100644
--- a/src/gui/text/qfontengine_win.cpp
+++ b/src/gui/text/qfontengine_win.cpp
@@ -125,6 +125,7 @@ HDC shared_dc()
 }
 #endif
 
+#ifndef Q_WS_WINCE
 typedef BOOL (WINAPI *PtrGetCharWidthI)(HDC, UINT, UINT, LPWORD, LPINT);
 static PtrGetCharWidthI ptrGetCharWidthI = 0;
 static bool resolvedGetCharWidthI = false;
@@ -136,6 +137,7 @@ static void resolveGetCharWidthI()
     resolvedGetCharWidthI = true;
     ptrGetCharWidthI = (PtrGetCharWidthI)QLibrary::resolve(QLatin1String("gdi32"), "GetCharWidthI");
 }
+#endif // !defined(Q_WS_WINCE)
 
 // defined in qtextengine_win.cpp
 typedef void *SCRIPT_CACHE;
@@ -340,8 +342,10 @@ QFontEngineWin::QFontEngineWin(const QString &name, HFONT _hfont, bool stockFont
     designAdvances = 0;
     designAdvancesSize = 0;
 
+#ifndef Q_WS_WINCE
     if (!resolvedGetCharWidthI)
         resolveGetCharWidthI();
+#endif
 }
 
 QFontEngineWin::~QFontEngineWin()
@@ -381,80 +385,18 @@ bool QFontEngineWin::stringToCMap(const QChar *str, int len, QGlyphLayout *glyph
     if (flags & QTextEngine::GlyphIndicesOnly)
         return true;
 
-#if defined(Q_WS_WINCE)
-    HDC hdc = shared_dc();
-    if (flags & QTextEngine::DesignMetrics) {
-        HGDIOBJ oldFont = 0;
-        int glyph_pos = 0;
-        for(register int i = 0; i < len; i++) {
-            bool surrogate = (str[i].unicode() >= 0xd800 && str[i].unicode() < 0xdc00 && i < len-1
-                              && str[i+1].unicode() >= 0xdc00 && str[i+1].unicode() < 0xe000);
-            unsigned int glyph = glyphs->glyphs[glyph_pos];
-            if(int(glyph) >= designAdvancesSize) {
-                int newSize = (glyph + 256) >> 8 << 8;
-                designAdvances = q_check_ptr((QFixed *)realloc(designAdvances, newSize*sizeof(QFixed)));
-                for(int i = designAdvancesSize; i < newSize; ++i)
-                    designAdvances[i] = -1000000;
-                designAdvancesSize = newSize;
-            }
-            if(designAdvances[glyph] < -999999) {
-                if(!oldFont)
-                    oldFont = selectDesignFont();
-                SIZE size = {0, 0};
-                GetTextExtentPoint32(hdc, (wchar_t *)(str+i), surrogate ? 2 : 1, &size);
-                designAdvances[glyph] = QFixed((int)size.cx)/designToDevice;
-            }
-            glyphs->advances_x[glyph_pos] = designAdvances[glyph];
-            glyphs->advances_y[glyph_pos] = 0;
-            if (surrogate)
-                ++i;
-            ++glyph_pos;
-        }
-        if(oldFont)
-            DeleteObject(SelectObject(hdc, oldFont));
-    } else {
-        int glyph_pos = 0;
-        HGDIOBJ oldFont = 0;
-
-        for(register int i = 0; i < len; i++) {
-            bool surrogate = (str[i].unicode() >= 0xd800 && str[i].unicode() < 0xdc00 && i < len-1
-                              && str[i+1].unicode() >= 0xdc00 && str[i+1].unicode() < 0xe000);
-            unsigned int glyph = glyphs->glyphs[glyph_pos];
-
-            glyphs->advances_y[glyph_pos] = 0;
-
-            if (glyph >= widthCacheSize) {
-                int newSize = (glyph + 256) >> 8 << 8;
-                widthCache = q_check_ptr((unsigned char *)realloc(widthCache,
-                            newSize*sizeof(QFixed)));
-                memset(widthCache + widthCacheSize, 0, newSize - widthCacheSize);
-                widthCacheSize = newSize;
-            }
-            glyphs->advances_x[glyph_pos] = widthCache[glyph];
-            // font-width cache failed
-            if (glyphs->advances_x[glyph_pos] == 0) {
-                SIZE size = {0, 0};
-                if (!oldFont)
-                    oldFont = SelectObject(hdc, hfont);
-                GetTextExtentPoint32(hdc, (wchar_t *)str + i, surrogate ? 2 : 1, &size);
-                glyphs->advances_x[glyph_pos] = size.cx;
-                // if glyph's within cache range, store it for later
-                if (size.cx > 0 && size.cx < 0x100)
-                    widthCache[glyph] = size.cx;
-            }
-
-            if (surrogate)
-                ++i;
-            ++glyph_pos;
-        }
+    recalcAdvances(glyphs, flags);
+    return true;
+}
 
-        if (oldFont)
-            SelectObject(hdc, oldFont);
-    }
+inline void calculateTTFGlyphWidth(HDC hdc, UINT glyph, int &width)
+{
+#if defined(Q_WS_WINCE)
+    GetCharWidth32(hdc, glyph, glyph, &width);
 #else
-    recalcAdvances(glyphs, flags);
+    if (ptrGetCharWidthI)
+        ptrGetCharWidthI(hdc, glyph, 1, 0, &width);
 #endif
-    return true;
 }
 
 void QFontEngineWin::recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFlags flags) const
@@ -477,8 +419,7 @@ void QFontEngineWin::recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFla
                     oldFont = selectDesignFont();
 
                 int width = 0;
-                if (ptrGetCharWidthI)
-                    ptrGetCharWidthI(hdc, glyph, 1, 0, &width);
+                calculateTTFGlyphWidth(hdc, glyph, width);
                 designAdvances[glyph] = QFixed(width) / designToDevice;
             }
             glyphs->advances_x[i] = designAdvances[glyph];
@@ -517,8 +458,8 @@ void QFontEngineWin::recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFla
                     SIZE size = {0, 0};
                     GetTextExtentPoint32(hdc, (wchar_t *)ch, chrLen, &size);
                     width = size.cx;
-                } else if (ptrGetCharWidthI) {
-                    ptrGetCharWidthI(hdc, glyph, 1, 0, &width);
+                } else {
+                    calculateTTFGlyphWidth(hdc, glyph, width);
                 }
                 glyphs->advances_x[i] = width;
                 // if glyph's within cache range, store it for later