Merge branch '4.7-upstream' into 4.7-water

15 files changed, 34 insertions, 24 deletions

diff --git a/src/gui/graphicsview/qgraphicstransform.cpp b/src/gui/graphicsview/qgraphicstransform.cpp
index 1f155c6..d495da2 100644
--- a/src/gui/graphicsview/qgraphicstransform.cpp
+++ b/src/gui/graphicsview/qgraphicstransform.cpp
@@ -54,7 +54,7 @@
     instances to one QGraphicsItem. Each QGraphicsTransform is applied in
     order, one at a time, to the QGraphicsItem it's assigned to.
 
-    QGraphicsTransform is particularily useful for animations. Whereas
+    QGraphicsTransform is particularly useful for animations. Whereas
     QGraphicsItem::setTransform() lets you assign any transform directly to an
     item, there is no direct way to interpolate between two different
     transformations (e.g., when transitioning between two states, each for
diff --git a/src/gui/kernel/qapplication_win.cpp b/src/gui/kernel/qapplication_win.cpp
index 78028eb..10c4ed6 100644
--- a/src/gui/kernel/qapplication_win.cpp
+++ b/src/gui/kernel/qapplication_win.cpp
@@ -3269,7 +3269,7 @@ bool QETWidget::translateMouseEvent(const MSG &msg)
         if (type == QEvent::MouseButtonPress
             && QApplication::activePopupWidget() != activePopupWidget
             && replayPopupMouseEvent) {
-            // the popup dissappeared. Replay the event
+            // the popup disappeared. Replay the event
             QWidget* w = QApplication::widgetAt(gpos.x, gpos.y);
             if (w && !QApplicationPrivate::isBlockedByModal(w)) {
                 Q_ASSERT(w->testAttribute(Qt::WA_WState_Created));
@@ -3506,7 +3506,7 @@ static void tabletInit(const quint64 uniqueId, const UINT csr_type, HCTX hTab)
 }
 #endif // QT_NO_TABLETEVENT
 
-// Update the "dynamic" informations of a cursor device (pen, airbrush, etc).
+// Update the "dynamic" information of a cursor device (pen, airbrush, etc).
 // The dynamic information is the information of QTabletDeviceData that can change
 // in time (eraser or pen if a device is turned around).
 #ifndef QT_NO_TABLETEVENT
diff --git a/src/gui/kernel/qclipboard_mac.cpp b/src/gui/kernel/qclipboard_mac.cpp
index 49a6cc8..482a3a3 100644
--- a/src/gui/kernel/qclipboard_mac.cpp
+++ b/src/gui/kernel/qclipboard_mac.cpp
@@ -623,7 +623,7 @@ QMacPasteboard::sync() const
 
 #ifdef DEBUG_PASTEBOARD
     if(fromGlobal)
-        qDebug("Pasteboard: Syncronize!");
+        qDebug("Pasteboard: Synchronize!");
 #endif
     return fromGlobal;
 }
diff --git a/src/gui/kernel/qevent.cpp b/src/gui/kernel/qevent.cpp
index eade02e..7fdb926 100644
--- a/src/gui/kernel/qevent.cpp
+++ b/src/gui/kernel/qevent.cpp
@@ -1970,7 +1970,7 @@ void QInputMethodEvent::setCommitString(const QString &commitString, int replace
   is usually given by a wheel on 4D mouse. If the device does not support a
   Z-axis, pass zero here.
 
-  The \a tangentialPressure paramater contins the tangential pressure of an air
+  The \a tangentialPressure parameter contins the tangential pressure of an air
   brush. If the device does not support tangential pressure, pass 0 here.
 
   \a rotation contains the device's rotation in degrees. 4D mice support
diff --git a/src/gui/kernel/qgesturemanager.cpp b/src/gui/kernel/qgesturemanager.cpp
index 9519447..46450b1 100644
--- a/src/gui/kernel/qgesturemanager.cpp
+++ b/src/gui/kernel/qgesturemanager.cpp
@@ -189,7 +189,7 @@ void QGestureManager::cleanupCachedGestures(QObject *target, Qt::GestureType typ
 QGesture *QGestureManager::getState(QObject *object, QGestureRecognizer *recognizer, Qt::GestureType type)
 {
     // if the widget is being deleted we should be careful not to
-    // create a new state, as it will create QWeakPointer which doesnt work
+    // create a new state, as it will create QWeakPointer which doesn't work
     // from the destructor.
     if (object->isWidgetType()) {
         if (static_cast<QWidget *>(object)->d_func()->data.in_destructor)
diff --git a/src/gui/kernel/qgesturemanager_p.h b/src/gui/kernel/qgesturemanager_p.h
index a5a3482..92310f5 100644
--- a/src/gui/kernel/qgesturemanager_p.h
+++ b/src/gui/kernel/qgesturemanager_p.h
@@ -101,7 +101,7 @@ private:
         NotGesture,
         MaybeGesture // this means timers are up and waiting for some
                      // more events, and input events are handled by
-                     // gesture recognizer explicitely
+                     // gesture recognizer explicitly
     } state;
 
     struct ObjectGesture
diff --git a/src/gui/kernel/qguiplatformplugin.cpp b/src/gui/kernel/qguiplatformplugin.cpp
index 2dd251b..c80c6d3 100644
--- a/src/gui/kernel/qguiplatformplugin.cpp
+++ b/src/gui/kernel/qguiplatformplugin.cpp
@@ -187,7 +187,7 @@ QString QGuiPlatformPlugin::styleName()
 #endif
 }
 
-/* return an aditional default palette  (only work on X11) */
+/* return an additional default palette  (only work on X11) */
 QPalette QGuiPlatformPlugin::palette()
 {
 #ifdef Q_WS_X11
diff --git a/src/gui/kernel/qkeymapper_mac.cpp b/src/gui/kernel/qkeymapper_mac.cpp
index 300e5ca..b8f08bf 100644
--- a/src/gui/kernel/qkeymapper_mac.cpp
+++ b/src/gui/kernel/qkeymapper_mac.cpp
@@ -765,7 +765,7 @@ bool QKeyMapperPrivate::translateKeyEvent(QWidget *widget, EventHandlerCallRef e
                                   &handled_event) == false)
         return handled_event;
     QString text(ourChar);
-    /* This is actually wrong - but unfortunatly it is the best that can be
+    /* This is actually wrong - but unfortunately it is the best that can be
        done for now because of the Control/Meta mapping problems */
     if (modifiers & (Qt::ControlModifier | Qt::MetaModifier)
         && !qApp->testAttribute(Qt::AA_MacDontSwapCtrlAndMeta)) {
diff --git a/src/gui/kernel/qkeysequence.cpp b/src/gui/kernel/qkeysequence.cpp
index 50b2354..bf3eddd 100644
--- a/src/gui/kernel/qkeysequence.cpp
+++ b/src/gui/kernel/qkeysequence.cpp
@@ -1105,7 +1105,7 @@ QKeySequence QKeySequence::mnemonic(const QString &text)
 #else
                     found = true;
                 } else {
-                    qWarning("QKeySequence::mnemonic: \"%s\" contains multiple occurences of '&'", qPrintable(text));
+                    qWarning("QKeySequence::mnemonic: \"%s\" contains multiple occurrences of '&'", qPrintable(text));
 #endif
                 }
             }
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index e22ec55..39c734e 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -8836,7 +8836,7 @@ void QWidget::mousePressEvent(QMouseEvent *event)
         QWidget* w;
         while ((w = QApplication::activePopupWidget()) && w != this){
             w->close();
-            if (QApplication::activePopupWidget() == w) // widget does not want to dissappear
+            if (QApplication::activePopupWidget() == w) // widget does not want to disappear
                 w->hide(); // hide at least
         }
         if (!rect().contains(event->pos())){
@@ -9305,7 +9305,7 @@ void QWidget::setInputMethodHints(Qt::InputMethodHints hints)
 #ifndef QT_NO_IM
     Q_D(QWidget);
     d->imHints = hints;
-    // Optimisation to update input context only it has already been created.
+    // Optimization to update input context only it has already been created.
     if (d->ic || qApp->d_func()->inputContext) {
         QInputContext *ic = inputContext();
         if (ic)
diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index cf4bdf1..97917ba 100644
--- a/src/gui/kernel/qwidget_s60.cpp
+++ b/src/gui/kernel/qwidget_s60.cpp
@@ -57,7 +57,7 @@
 #include <eikbtgpc.h>
 #endif
 
-// This is necessary in order to be able to perform delayed invokation on slots
+// This is necessary in order to be able to perform delayed invocation on slots
 // which take arguments of type WId.  One example is
 // QWidgetPrivate::_q_delayedDestroy, which is used to delay destruction of
 // CCoeControl objects until after the CONE event handler has finished running.
diff --git a/src/gui/kernel/qx11embed_x11.cpp b/src/gui/kernel/qx11embed_x11.cpp
index 9f1b1f8..e6e3bfb 100644
--- a/src/gui/kernel/qx11embed_x11.cpp
+++ b/src/gui/kernel/qx11embed_x11.cpp
@@ -1136,7 +1136,7 @@ void QX11EmbedContainer::paintEvent(QPaintEvent *)
 
 /*! \internal
 
-    Returns wether or not the windows' embedded flag is set.
+    Returns whether or not the windows' embedded flag is set.
 */
 bool QX11EmbedContainerPrivate::isEmbedded() const
 {
diff --git a/src/gui/painting/qtextureglyphcache.cpp b/src/gui/painting/qtextureglyphcache.cpp
index b609f7b..2daa1f0 100644
--- a/src/gui/painting/qtextureglyphcache.cpp
+++ b/src/gui/painting/qtextureglyphcache.cpp
@@ -65,7 +65,7 @@ static inline int qt_next_power_of_two(int v)
     return v;
 }
 
-void QTextureGlyphCache::populate(QFontEngine *fontEngine, int numGlyphs, const glyph_t *glyphs,
+bool QTextureGlyphCache::populate(QFontEngine *fontEngine, int numGlyphs, const glyph_t *glyphs,
                                   const QFixedPoint *)
 {
 #ifdef CACHE_DEBUG
@@ -119,7 +119,7 @@ void QTextureGlyphCache::populate(QFontEngine *fontEngine, int numGlyphs, const
         rowHeight = qMax(rowHeight, glyph_height);
     }
     if (listItemCoordinates.isEmpty())
-        return;
+        return true;
 
     rowHeight += margin * 2 + paddingDoubled;
     if (isNull())
@@ -150,6 +150,13 @@ void QTextureGlyphCache::populate(QFontEngine *fontEngine, int numGlyphs, const
             int new_height = m_h*2;
             while (new_height < m_cy + c.h)
                 new_height *= 2;
+
+            if (maxTextureHeight() > 0 && new_height > maxTextureHeight()) {
+                // We can't make a new texture of the required size, so
+                // bail out
+                return false;
+            }
+
             // if no room in the current texture - realloc a larger texture
             resizeTextureData(m_w, new_height);
             m_h = new_height;
@@ -165,7 +172,7 @@ void QTextureGlyphCache::populate(QFontEngine *fontEngine, int numGlyphs, const
         ++iter;
     }
 
-
+    return true;
 }
 
 QImage QTextureGlyphCache::textureMapForGlyph(glyph_t g) const
@@ -259,11 +266,14 @@ void QImageTextureGlyphCache::fillTexture(const Coord &c, glyph_t g)
     }
 #endif
 
-    if (m_type == QFontEngineGlyphCache::Raster_RGBMask) {
-        QPainter p(&m_image);
+    if (m_type == QFontEngineGlyphCache::Raster_RGBMask) {        
+        QImage ref(m_image.bits() + (c.x * 4 + c.y * m_image.bytesPerLine()),
+                   qMax(mask.width(), c.w), qMax(mask.height(), c.h), m_image.bytesPerLine(),
+                   m_image.format());
+        QPainter p(&ref);
         p.setCompositionMode(QPainter::CompositionMode_Source);
-        p.fillRect(c.x, c.y, c.w, c.h, QColor(0,0,0,0)); // TODO optimize this
-        p.drawImage(c.x, c.y, mask);
+        p.fillRect(0, 0, c.w, c.h, QColor(0,0,0,0)); // TODO optimize this
+        p.drawImage(0, 0, mask);
         p.end();
     } else if (m_type == QFontEngineGlyphCache::Raster_Mono) {
         if (mask.depth() > 1) {
diff --git a/src/gui/painting/qtextureglyphcache_p.h b/src/gui/painting/qtextureglyphcache_p.h
index e6d2b22..94cb555 100644
--- a/src/gui/painting/qtextureglyphcache_p.h
+++ b/src/gui/painting/qtextureglyphcache_p.h
@@ -96,7 +96,7 @@ public:
         int baseLineY;
     };
 
-    void populate(QFontEngine *fontEngine, int numGlyphs, const glyph_t *glyphs,
+    bool populate(QFontEngine *fontEngine, int numGlyphs, const glyph_t *glyphs,
                   const QFixedPoint *positions);
 
     virtual void createTextureData(int width, int height) = 0;
@@ -118,7 +118,7 @@ public:
 
     QImage textureMapForGlyph(glyph_t g) const;
     virtual int maxTextureWidth() const { return QT_DEFAULT_TEXTURE_GLYPH_CACHE_WIDTH; }
-    virtual int maxTextureHeight() const { return 32768; }
+    virtual int maxTextureHeight() const { return -1; }
 
 protected:
     QFontEngine *m_current_fontengine;
diff --git a/src/gui/util/qundostack.cpp b/src/gui/util/qundostack.cpp
index 919ac3c..04cfca9 100644
--- a/src/gui/util/qundostack.cpp
+++ b/src/gui/util/qundostack.cpp
@@ -441,7 +441,7 @@ bool QUndoStackPrivate::checkUndoLimit()
 
 /*!
     Constructs an empty undo stack with the parent \a parent. The
-    stack will initally be in the clean state. If \a parent is a
+    stack will initially be in the clean state. If \a parent is a
     QUndoGroup object, the stack is automatically added to the group.
 
     \sa push()