Merge commit 'c0b81480b2909b18ac15bdd124a562ae005c2f41' into origin-4.6

13 files changed, 85 insertions, 18 deletions

diff --git a/src/corelib/kernel/qmath.h b/src/corelib/kernel/qmath.h
index a9e4378..820f424 100644
--- a/src/corelib/kernel/qmath.h
+++ b/src/corelib/kernel/qmath.h
@@ -76,6 +76,16 @@ inline int qFloor(qreal v)
         return int(floor(v));
 }
 
+inline qreal qFabs(qreal v)
+{
+#ifdef QT_USE_MATH_H_FLOATS
+    if(sizeof(qreal) == sizeof(float))
+        return fabsf(float(v));
+    else
+#endif
+        return fabs(v);
+}
+
 inline qreal qSin(qreal v)
 {
 #ifdef QT_USE_MATH_H_FLOATS
@@ -96,6 +106,16 @@ inline qreal qCos(qreal v)
         return cos(v);
 }
 
+inline qreal qTan(qreal v)
+{
+#ifdef QT_USE_MATH_H_FLOATS
+    if (sizeof(qreal) == sizeof(float))
+        return tanf(float(v));
+    else
+#endif
+        return tan(v);
+}
+
 inline qreal qAcos(qreal v)
 {
 #ifdef QT_USE_MATH_H_FLOATS
@@ -106,6 +126,36 @@ inline qreal qAcos(qreal v)
         return acos(v);
 }
 
+inline qreal qAsin(qreal v)
+{
+#ifdef QT_USE_MATH_H_FLOATS
+    if (sizeof(qreal) == sizeof(float))
+        return asinf(float(v));
+    else
+#endif
+        return asin(v);
+}
+
+inline qreal qAtan(qreal v)
+{
+#ifdef QT_USE_MATH_H_FLOATS
+    if(sizeof(qreal) == sizeof(float))
+        return atanf(float(v));
+    else
+#endif
+        return atan(v);
+}
+
+inline qreal qAtan2(qreal x, qreal y)
+{
+#ifdef QT_USE_MATH_H_FLOATS
+    if(sizeof(qreal) == sizeof(float))
+        return atan2f(float(x), float(y));
+    else
+#endif
+        return atan2(x, y);
+}
+
 inline qreal qSqrt(qreal v)
 {
 #ifdef QT_USE_MATH_H_FLOATS
@@ -126,6 +176,13 @@ inline qreal qLn(qreal v)
         return log(v);
 }
 
+inline qreal qExp(qreal v)
+{
+    // only one signature
+    // exists, exp(double)
+    return exp(v);
+}
+
 inline qreal qPow(qreal x, qreal y)
 {
 #ifdef QT_USE_MATH_H_FLOATS
diff --git a/src/gui/dialogs/qprogressdialog.cpp b/src/gui/dialogs/qprogressdialog.cpp
index f5024bb..98b15e9 100644
--- a/src/gui/dialogs/qprogressdialog.cpp
+++ b/src/gui/dialogs/qprogressdialog.cpp
@@ -424,10 +424,6 @@ void QProgressDialog::setCancelButton(QPushButton *cancelButton)
 {
     Q_D(QProgressDialog);
     delete d->cancel;
-#ifdef QT_SOFTKEYS_ENABLED
-    delete d->cancelAction;
-    d->cancelAction = 0;
-#endif
     d->cancel = cancelButton;
     if (cancelButton) {
         if (cancelButton->parentWidget() == this) {
diff --git a/src/gui/egl/qegl.cpp b/src/gui/egl/qegl.cpp
index cf28dc4..6ee4bfc 100644
--- a/src/gui/egl/qegl.cpp
+++ b/src/gui/egl/qegl.cpp
@@ -429,7 +429,10 @@ QString QEglContext::extensions()
 
 bool QEglContext::hasExtension(const char* extensionName)
 {
-    return extensions().contains(QLatin1String(extensionName));
+    QList<QByteArray> extensions =
+        QByteArray(reinterpret_cast<const char *>
+            (eglQueryString(QEglContext::defaultDisplay(0), EGL_EXTENSIONS))).split(' ');
+    return extensions.contains(extensionName);
 }
 
 QEglContext *QEglContext::currentContext(QEgl::API api)
diff --git a/src/gui/graphicsview/qgraphicsanchorlayout.cpp b/src/gui/graphicsview/qgraphicsanchorlayout.cpp
index 686096c..6718a28 100644
--- a/src/gui/graphicsview/qgraphicsanchorlayout.cpp
+++ b/src/gui/graphicsview/qgraphicsanchorlayout.cpp
@@ -158,7 +158,7 @@ QGraphicsAnchor::~QGraphicsAnchor()
     \property QGraphicsAnchor::sizePolicy
     \brief the size policy for the QGraphicsAnchor.
 
-    By setting the size policy on an anchor you can configure how the item can resize itself
+    By setting the size policy on an anchor you can configure how the anchor can resize itself
     from its preferred spacing. For instance, if the anchor has the size policy
     QSizePolicy::Minimum, the spacing is the minimum size of the anchor. However, its size
     can grow up to the anchors maximum size. If the default size policy is QSizePolicy::Fixed,
@@ -247,7 +247,7 @@ QGraphicsAnchorLayout::~QGraphicsAnchorLayout()
 
 /*!
     Creates an anchor between the edge \a firstEdge of item \a firstItem and the edge \a secondEdge
-    of item \a secondItem. The magnitude of the anchor is picked up from the style. Anchors
+    of item \a secondItem. The spacing of the anchor is picked up from the style. Anchors
     between a layout edge and an item edge will have a size of 0.
     If there is already an anchor between the edges, the the new anchor will replace the old one.
 
diff --git a/src/gui/itemviews/qabstractitemview.cpp b/src/gui/itemviews/qabstractitemview.cpp
index acfeff8..de6e6cb 100644
--- a/src/gui/itemviews/qabstractitemview.cpp
+++ b/src/gui/itemviews/qabstractitemview.cpp
@@ -1625,7 +1625,7 @@ void QAbstractItemView::mousePressEvent(QMouseEvent *event)
     QPoint offset = d->offset();
     if ((command & QItemSelectionModel::Current) == 0)
         d->pressedPosition = pos + offset;
-    else if (!indexAt(d->pressedPosition).isValid())
+    else if (!indexAt(d->pressedPosition - offset).isValid())
         d->pressedPosition = visualRect(currentIndex()).center() + offset;
 
     if (edit(index, NoEditTriggers, event))
@@ -2195,7 +2195,7 @@ void QAbstractItemView::keyPressEvent(QKeyEvent *event)
             // note that we don't check if the new current index is enabled because moveCursor() makes sure it is
             if (command & QItemSelectionModel::Current) {
                 d->selectionModel->setCurrentIndex(newCurrent, QItemSelectionModel::NoUpdate);
-                if (!indexAt(d->pressedPosition).isValid())
+                if (!indexAt(d->pressedPosition - d->offset()).isValid())
                     d->pressedPosition = visualRect(oldCurrent).center() + d->offset();
                 QRect rect(d->pressedPosition - d->offset(), visualRect(newCurrent).center());
                 setSelection(rect, command);
diff --git a/src/gui/kernel/qsoftkeymanager.cpp b/src/gui/kernel/qsoftkeymanager.cpp
index 775d773..1acc9b3 100644
--- a/src/gui/kernel/qsoftkeymanager.cpp
+++ b/src/gui/kernel/qsoftkeymanager.cpp
@@ -190,7 +190,7 @@ bool QSoftKeyManager::event(QEvent *e)
                 }
 
                 QWidget *parent = source->parentWidget();
-                if (parent && softKeys.isEmpty())
+                if (parent && softKeys.isEmpty() && !source->isWindow())
                     source = parent;
                 else
                     break;
diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp
index 443c9c5..30f8c9e 100644
--- a/src/gui/painting/qpainter.cpp
+++ b/src/gui/painting/qpainter.cpp
@@ -284,7 +284,7 @@ bool QPainterPrivate::attachPainterPrivate(QPainter *q, QPaintDevice *pdev)
 
     // Update matrix.
     if (q->d_ptr->state->WxF) {
-        q->d_ptr->state->redirectionMatrix *= q->d_ptr->state->worldMatrix;
+        q->d_ptr->state->redirectionMatrix = q->d_ptr->state->matrix;
         q->d_ptr->state->redirectionMatrix.translate(-offset.x(), -offset.y());
         q->d_ptr->state->worldMatrix = QTransform();
         q->d_ptr->state->WxF = false;
diff --git a/src/gui/styles/qwindowsxpstyle.cpp b/src/gui/styles/qwindowsxpstyle.cpp
index fe7f5d7..0767083 100644
--- a/src/gui/styles/qwindowsxpstyle.cpp
+++ b/src/gui/styles/qwindowsxpstyle.cpp
@@ -623,8 +623,7 @@ void QWindowsXPStylePrivate::drawBackground(XPThemeData &themeData)
 
     painter->save();
 
-    QMatrix m = painter->matrix();
-    bool complexXForm = m.m11() != 1.0 || m.m22() != 1.0 || m.m12() != 0.0 || m.m21() != 0.0;
+    bool complexXForm = painter->deviceTransform().type() > QTransform::TxTranslate;
 
     bool translucentToplevel = false;
     QPaintDevice *pdev = painter->device();
diff --git a/src/gui/widgets/qlineedit_p.cpp b/src/gui/widgets/qlineedit_p.cpp
index d03c003..4437fef 100644
--- a/src/gui/widgets/qlineedit_p.cpp
+++ b/src/gui/widgets/qlineedit_p.cpp
@@ -103,12 +103,12 @@ void QLineEditPrivate::_q_handleWindowActivate()
 void QLineEditPrivate::_q_textEdited(const QString &text)
 {
     Q_Q(QLineEdit);
+    emit q->textEdited(text);
 #ifndef QT_NO_COMPLETER
-    if (control->completer() &&
-            control->completer()->completionMode() != QCompleter::InlineCompletion)
+    if (control->completer()
+        && control->completer()->completionMode() != QCompleter::InlineCompletion)
         control->complete(-1); // update the popup on cut/paste/del
 #endif
-    emit q->textEdited(text);
 }
 
 void QLineEditPrivate::_q_cursorPositionChanged(int from, int to)
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index 5ada125..94b8aa5 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -1495,6 +1495,7 @@ void QGLContextPrivate::init(QPaintDevice *dev, const QGLFormat &format)
     version_flags_cached = false;
     version_flags = QGLFormat::OpenGL_Version_None;
     current_fbo = 0;
+    default_fbo = 0;
     active_engine = 0;
 }
 
diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h
index 8e472e5..ab72c9c 100644
--- a/src/opengl/qgl_p.h
+++ b/src/opengl/qgl_p.h
@@ -328,6 +328,7 @@ public:
     GLint max_texture_size;
 
     GLuint current_fbo;
+    GLuint default_fbo;
     QPaintEngine *active_engine;
 
     static inline QGLContextGroup *contextGroup(const QGLContext *ctx) { return ctx->d_ptr->group; }
diff --git a/src/opengl/qglframebufferobject.cpp b/src/opengl/qglframebufferobject.cpp
index d79283e..d0297c9 100644
--- a/src/opengl/qglframebufferobject.cpp
+++ b/src/opengl/qglframebufferobject.cpp
@@ -899,8 +899,8 @@ bool QGLFramebufferObject::release()
 #endif
 
     if (current) {
-        current->d_ptr->current_fbo = 0;
-        glBindFramebuffer(GL_FRAMEBUFFER_EXT, 0);
+        current->d_ptr->current_fbo = current->d_ptr->default_fbo;
+        glBindFramebuffer(GL_FRAMEBUFFER_EXT, current->d_ptr->default_fbo);
     }
 
     return true;
diff --git a/src/opengl/qglpaintdevice.cpp b/src/opengl/qglpaintdevice.cpp
index 2867de5..bcd90a5 100644
--- a/src/opengl/qglpaintdevice.cpp
+++ b/src/opengl/qglpaintdevice.cpp
@@ -89,6 +89,12 @@ void QGLPaintDevice::beginPaint()
         ctx->d_ptr->current_fbo = m_thisFBO;
         glBindFramebuffer(GL_FRAMEBUFFER_EXT, m_thisFBO);
     }
+
+    // Set the default fbo for the context to m_thisFBO so that
+    // if some raw GL code between beginNativePainting() and
+    // endNativePainting() calls QGLFramebufferObject::release(),
+    // painting will revert to the window surface's fbo.
+    ctx->d_ptr->default_fbo = m_thisFBO;
 }
 
 void QGLPaintDevice::ensureActiveTarget()
@@ -101,6 +107,8 @@ void QGLPaintDevice::ensureActiveTarget()
         ctx->d_ptr->current_fbo = m_thisFBO;
         glBindFramebuffer(GL_FRAMEBUFFER_EXT, m_thisFBO);
     }
+
+    ctx->d_ptr->default_fbo = m_thisFBO;
 }
 
 void QGLPaintDevice::endPaint()
@@ -111,6 +119,8 @@ void QGLPaintDevice::endPaint()
         ctx->d_ptr->current_fbo = m_previousFBO;
         glBindFramebuffer(GL_FRAMEBUFFER_EXT, m_previousFBO);
     }
+
+    ctx->d_ptr->default_fbo = 0;
 }
 
 QGLFormat QGLPaintDevice::format() const