Merge branch 'master' of git@scm.dev.nokia.troll.no:qt/qt

13 files changed, 152 insertions, 64 deletions

diff --git a/src/gui/graphicsview/qgraphicsitem.h b/src/gui/graphicsview/qgraphicsitem.h
index b5e6ed5..52b862e 100644
--- a/src/gui/graphicsview/qgraphicsitem.h
+++ b/src/gui/graphicsview/qgraphicsitem.h
@@ -516,6 +516,7 @@ class Q_GUI_EXPORT QGraphicsObject : public QObject, public QGraphicsItem
     Q_PROPERTY(qreal rotation READ rotation WRITE setRotation NOTIFY rotationChanged)
     Q_PROPERTY(qreal scale READ scale WRITE setScale NOTIFY scaleChanged)
     Q_PROPERTY(QPointF transformOriginPoint READ transformOriginPoint WRITE setTransformOriginPoint)
+    Q_INTERFACES(QGraphicsItem)
 public:
     QGraphicsObject(QGraphicsItem *parent = 0);
 
diff --git a/src/gui/itemviews/qheaderview.cpp b/src/gui/itemviews/qheaderview.cpp
index f7b5b6f..4ab81f5 100644
--- a/src/gui/itemviews/qheaderview.cpp
+++ b/src/gui/itemviews/qheaderview.cpp
@@ -1195,7 +1195,8 @@ QHeaderView::ResizeMode QHeaderView::resizeMode(int logicalIndex) const
 {
     Q_D(const QHeaderView);
     int visual = visualIndex(logicalIndex);
-    Q_ASSERT(visual != -1);
+    if (visual == -1)
+        return Fixed; //the default value
     return d->headerSectionResizeMode(visual);
 }
 
diff --git a/src/gui/itemviews/qitemselectionmodel.cpp b/src/gui/itemviews/qitemselectionmodel.cpp
index 98810a0..8414460 100644
--- a/src/gui/itemviews/qitemselectionmodel.cpp
+++ b/src/gui/itemviews/qitemselectionmodel.cpp
@@ -573,6 +573,7 @@ void QItemSelectionModelPrivate::_q_rowsAboutToBeRemoved(const QModelIndex &pare
                                                          int start, int end)
 {
     Q_Q(QItemSelectionModel);
+    finalize();
 
     // update current index
     if (currentIndex.isValid() && parent == currentIndex.parent()
@@ -591,8 +592,8 @@ void QItemSelectionModelPrivate::_q_rowsAboutToBeRemoved(const QModelIndex &pare
     }
 
     QItemSelection deselected;
-    QItemSelection::iterator it = currentSelection.begin();
-    while (it != currentSelection.end()) {
+    QItemSelection::iterator it = ranges.begin();
+    while (it != ranges.end()) {
         if (it->topLeft().parent() != parent) {  // Check parents until reaching root or contained in range
             QModelIndex itParent = it->topLeft().parent();
             while (itParent.isValid() && itParent.parent() != parent)
@@ -600,24 +601,22 @@ void QItemSelectionModelPrivate::_q_rowsAboutToBeRemoved(const QModelIndex &pare
 
             if (parent.isValid() && start <= itParent.row() && itParent.row() <= end) {
                 deselected.append(*it);
-                it = currentSelection.erase(it);
+                it = ranges.erase(it);
             } else {
                 ++it;
             }
         } else if (start <= it->bottom() && it->bottom() <= end    // Full inclusion
                    && start <= it->top() && it->top() <= end) {
             deselected.append(*it);
-            it = currentSelection.erase(it);
+            it = ranges.erase(it);
         } else if (start <= it->top() && it->top() <= end) {      // Top intersection
             deselected.append(QItemSelectionRange(it->topLeft(), model->index(end, it->left(), it->parent())));
-            it = currentSelection.insert(it, QItemSelectionRange(model->index(end + 1, it->left(), it->parent()),
-                                                                 it->bottomRight()));
-            it = currentSelection.erase(++it);
+            *it = QItemSelectionRange(model->index(end + 1, it->left(), it->parent()), it->bottomRight());
+            ++it;
         } else if (start <= it->bottom() && it->bottom() <= end) {    // Bottom intersection
             deselected.append(QItemSelectionRange(model->index(start, it->right(), it->parent()), it->bottomRight()));
-            it = currentSelection.insert(it, QItemSelectionRange(it->topLeft(),
-                                                                 model->index(start - 1, it->right(), it->parent())));
-            it = currentSelection.erase(++it);
+            *it = QItemSelectionRange(it->topLeft(), model->index(start - 1, it->right(), it->parent()));
+            ++it;
         } else {
             if (it->top() < start && end < it->bottom())  // Middle intersection (do nothing)
                 deselected.append(QItemSelectionRange(model->index(start, it->right(), it->parent()),
@@ -626,7 +625,8 @@ void QItemSelectionModelPrivate::_q_rowsAboutToBeRemoved(const QModelIndex &pare
        }
     }
 
-    emit q->selectionChanged(QItemSelection(), deselected);
+    if (!deselected.isEmpty())
+        emit q->selectionChanged(QItemSelection(), deselected);
 }
 
 /*!
diff --git a/src/gui/kernel/qapplication_x11.cpp b/src/gui/kernel/qapplication_x11.cpp
index db349f0..d942519 100644
--- a/src/gui/kernel/qapplication_x11.cpp
+++ b/src/gui/kernel/qapplication_x11.cpp
@@ -1851,10 +1851,20 @@ void qt_init(QApplicationPrivate *priv, int,
             QX11InfoData *screen = X11->screens + s;
             screen->ref = 1; // ensures it doesn't get deleted
             screen->screen = s;
-            screen->dpiX = (DisplayWidth(X11->display, s) * 254 + DisplayWidthMM(X11->display, s)*5)
-                           / (DisplayWidthMM(X11->display, s)*10);
-            screen->dpiY = (DisplayHeight(X11->display, s) * 254 + DisplayHeightMM(X11->display, s)*5)
-                           / (DisplayHeightMM(X11->display, s)*10);
+
+            int widthMM = DisplayWidthMM(X11->display, s);
+            if (widthMM != 0) {
+                screen->dpiX = (DisplayWidth(X11->display, s) * 254 + widthMM * 5) / (widthMM * 10);
+            } else {
+                screen->dpiX = 72;
+            }
+
+            int heightMM = DisplayHeightMM(X11->display, s);
+            if (heightMM != 0) {
+                screen->dpiY = (DisplayHeight(X11->display, s) * 254 + heightMM * 5) / (heightMM * 10);
+            } else {
+                screen->dpiY = 72;
+            }
 
             X11->argbVisuals[s] = 0;
             X11->argbColormaps[s] = 0;
diff --git a/src/gui/kernel/qcocoaview_mac.mm b/src/gui/kernel/qcocoaview_mac.mm
index 45b0ada..7ac0d89 100644
--- a/src/gui/kernel/qcocoaview_mac.mm
+++ b/src/gui/kernel/qcocoaview_mac.mm
@@ -872,7 +872,7 @@ extern "C" {
     NSPoint p = [[event window] convertBaseToScreen:[event locationInWindow]];
     qNGEvent.position = flipPoint(p).toPoint();
     qNGEvent.percentage = [event magnification];
-    qApp->sendEvent(qwidget, &qNGEvent);
+    qt_sendSpontaneousEvent(qwidget, &qNGEvent);
 }
 
 - (void)rotateWithEvent:(NSEvent *)event;
@@ -885,7 +885,7 @@ extern "C" {
     NSPoint p = [[event window] convertBaseToScreen:[event locationInWindow]];
     qNGEvent.position = flipPoint(p).toPoint();
     qNGEvent.percentage = [event rotation];
-    qApp->sendEvent(qwidget, &qNGEvent);
+    qt_sendSpontaneousEvent(qwidget, &qNGEvent);
 }
 
 - (void)swipeWithEvent:(NSEvent *)event;
@@ -898,7 +898,7 @@ extern "C" {
     NSPoint p = [[event window] convertBaseToScreen:[event locationInWindow]];
     qNGEvent.position = flipPoint(p).toPoint();
     qNGEvent.direction = QSize(-[event deltaX], -[event deltaY]);
-    qApp->sendEvent(qwidget, &qNGEvent);
+    qt_sendSpontaneousEvent(qwidget, &qNGEvent);
 }
 
 - (void)beginGestureWithEvent:(NSEvent *)event;
@@ -910,7 +910,7 @@ extern "C" {
     qNGEvent.gestureType = QNativeGestureEvent::GestureBegin;
     NSPoint p = [[event window] convertBaseToScreen:[event locationInWindow]];
     qNGEvent.position = flipPoint(p).toPoint();
-    qApp->sendEvent(qwidget, &qNGEvent);
+    qt_sendSpontaneousEvent(qwidget, &qNGEvent);
 }
 
 - (void)endGestureWithEvent:(NSEvent *)event;
@@ -922,7 +922,7 @@ extern "C" {
     qNGEvent.gestureType = QNativeGestureEvent::GestureEnd;
     NSPoint p = [[event window] convertBaseToScreen:[event locationInWindow]];
     qNGEvent.position = flipPoint(p).toPoint();
-    qApp->sendEvent(qwidget, &qNGEvent);
+    qt_sendSpontaneousEvent(qwidget, &qNGEvent);
 }
 #endif // MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
 
diff --git a/src/gui/kernel/qeventdispatcher_mac.mm b/src/gui/kernel/qeventdispatcher_mac.mm
index efe6375..113362a 100644
--- a/src/gui/kernel/qeventdispatcher_mac.mm
+++ b/src/gui/kernel/qeventdispatcher_mac.mm
@@ -500,7 +500,7 @@ static bool IsMouseOrKeyEvent( NSEvent* event )
 static inline void qt_mac_waitForMoreEvents()
 {
 #ifndef QT_MAC_USE_COCOA
-    while(CFRunLoopRunInMode(kCFRunLoopDefaultMode, 1.0e20, true) == kCFRunLoopRunTimedOut);
+    while (CFRunLoopRunInMode(kCFRunLoopDefaultMode, 1.0e20, true) == kCFRunLoopRunTimedOut) ;
 #else
     // If no event exist in the cocoa event que, wait
     // (and free up cpu time) until at least one event occur.
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index 5bf140c..999faeb 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -107,6 +107,7 @@
 #include <private/qcocoapanel_mac_p.h>
 
 #include "qwidget_p.h"
+#include "qevent_p.h"
 #include "qdnd_p.h"
 #include <QtGui/qgraphicsproxywidget.h>
 
@@ -729,6 +730,13 @@ static EventTypeSpec window_events[] = {
     { kEventClassWindow, kEventWindowGetRegion },
     { kEventClassWindow, kEventWindowGetClickModality },
     { kEventClassWindow, kEventWindowTransitionCompleted },
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+    { kEventClassGesture, kEventGestureStarted },
+    { kEventClassGesture, kEventGestureEnded },
+    { kEventClassGesture, kEventGestureMagnify },
+    { kEventClassGesture, kEventGestureSwipe },
+    { kEventClassGesture, kEventGestureRotate },
+#endif
     { kEventClassMouse, kEventMouseDown }
 };
 static EventHandlerUPP mac_win_eventUPP = 0;
@@ -1013,6 +1021,69 @@ OSStatus QWidgetPrivate::qt_window_event(EventHandlerCallRef er, EventRef event,
             return SendEventToApplication(event);
         handled_event = false;
         break; }
+
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+    case kEventClassGesture: {
+        // First, find the widget that was under
+        // the mouse when the gesture happened:
+        HIPoint screenLocation;
+        if (GetEventParameter(event, kEventParamMouseLocation, typeHIPoint, 0,
+                    sizeof(screenLocation), 0, &screenLocation) != noErr) {
+            handled_event = false;
+            break;
+        }
+        QWidget *widget = QApplication::widgetAt(screenLocation.x, screenLocation.y);
+        if (!widget) {
+            handled_event = false;
+            break;
+        }
+
+        QNativeGestureEvent qNGEvent;
+        qNGEvent.position = QPoint(screenLocation.x, screenLocation.y);
+
+        switch (ekind) {
+            case kEventGestureStarted:
+                qNGEvent.gestureType = QNativeGestureEvent::GestureBegin;
+                break;
+            case kEventGestureEnded:
+                qNGEvent.gestureType = QNativeGestureEvent::GestureEnd;
+                break;
+            case kEventGestureRotate: {
+                CGFloat amount;
+                if (GetEventParameter(event, kEventParamRotationAmount, typeCGFloat, 0,
+                            sizeof(amount), 0, &amount) != noErr) {
+                    handled_event = false;
+                    break;
+                }
+                qNGEvent.gestureType = QNativeGestureEvent::Zoom;
+                qNGEvent.percentage = float(amount);
+                break; }
+            case kEventGestureSwipe: {
+                HIPoint swipeDirection;
+                if (GetEventParameter(event, kEventParamSwipeDirection, typeHIPoint, 0,
+                            sizeof(swipeDirection), 0, &swipeDirection) != noErr) {
+                    handled_event = false;
+                    break;
+                }
+                qNGEvent.gestureType = QNativeGestureEvent::Swipe;
+                qNGEvent.direction = QSize(-swipeDirection.x, -swipeDirection.y);
+                break; }
+            case kEventGestureMagnify: {
+                CGFloat amount;
+                if (GetEventParameter(event, kEventParamMagnificationAmount, typeCGFloat, 0,
+                            sizeof(amount), 0, &amount) != noErr) {
+                    handled_event = false;
+                    break;
+                }
+                qNGEvent.gestureType = QNativeGestureEvent::Zoom;
+                qNGEvent.percentage = float(amount);
+                break; }
+        }
+
+        QApplication::sendSpontaneousEvent(widget, &qNGEvent);
+    break; }
+#endif // gestures
+
     default:
         handled_event = false;
     }
diff --git a/src/gui/math3d/qmatrix4x4.cpp b/src/gui/math3d/qmatrix4x4.cpp
index dc17eda..8fc439b 100644
--- a/src/gui/math3d/qmatrix4x4.cpp
+++ b/src/gui/math3d/qmatrix4x4.cpp
@@ -1010,11 +1010,24 @@ QMatrix4x4& QMatrix4x4::rotate(qreal angle, const QVector3D& vector)
 */
 QMatrix4x4& QMatrix4x4::rotate(qreal angle, qreal x, qreal y, qreal z)
 {
+    if (angle == 0.0f)
+        return *this;
     QMatrix4x4 m(1); // The "1" says to not load the identity.
-    qreal a = angle * M_PI / 180.0f;
-    qreal c = qCos(a);
-    qreal s = qSin(a);
-    qreal ic;
+    qreal c, s, ic;
+    if (angle == 90.0f || angle == -270.0f) {
+        s = 1.0f;
+        c = 0.0f;
+    } else if (angle == -90.0f || angle == 270.0f) {
+        s = -1.0f;
+        c = 0.0f;
+    } else if (angle == 180.0f || angle == -180.0f) {
+        s = 0.0f;
+        c = -1.0f;
+    } else {
+        qreal a = angle * M_PI / 180.0f;
+        c = qCos(a);
+        s = qSin(a);
+    }
     bool quick = false;
     if (x == 0.0f) {
         if (y == 0.0f) {
diff --git a/src/gui/painting/qpaintdevice.cpp b/src/gui/painting/qpaintdevice.cpp
index 6477952..6a2a4c4 100644
--- a/src/gui/painting/qpaintdevice.cpp
+++ b/src/gui/painting/qpaintdevice.cpp
@@ -64,3 +64,5 @@ int QPaintDevice::metric(PaintDeviceMetric) const
     qWarning("QPaintDevice::metrics: Device has no metric information");
     return 0;
 }
+
+QT_END_NAMESPACE
diff --git a/src/gui/painting/qpaintdevice_qws.cpp b/src/gui/painting/qpaintdevice_qws.cpp
index 9a6a3d3..b161cb8 100644
--- a/src/gui/painting/qpaintdevice_qws.cpp
+++ b/src/gui/painting/qpaintdevice_qws.cpp
@@ -48,39 +48,6 @@
 
 QT_BEGIN_NAMESPACE
 
-QPaintDevice::QPaintDevice()
-{
-    painters = 0;
-}
-
-extern void qt_painter_removePaintDevice(QPaintDevice *); //qpainter.cpp
-
-
-QPaintDevice::~QPaintDevice()
-{
-    if (paintingActive())
-        qWarning("QPaintDevice: Cannot destroy paint device that is being "
-                  "painted");
-    qt_painter_removePaintDevice(this);
-}
-
-
-int QPaintDevice::metric(PaintDeviceMetric m) const
-{
-    qWarning("QPaintDevice::metrics: Device has no metric information");
-    if (m == PdmDpiX) {
-        return 72;
-    } else if (m == PdmDpiY) {
-        return 72;
-    } else if (m == PdmNumColors) {
-        // FIXME: does this need to be a real value?
-        return 256;
-    } else {
-        qDebug("Unrecognised metric %d!",m);
-        return 0;
-    }
-}
-
 QWSDisplay *QPaintDevice::qwsDisplay()
 {
     return qt_fbdpy;
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index 8b83f02..547818c 100644
--- a/src/gui/painting/qpaintengine_raster.cpp
+++ b/src/gui/painting/qpaintengine_raster.cpp
@@ -5198,6 +5198,13 @@ static void drawLine_midpoint_i(int x1, int y1, int x2, int y2, ProcessSpans spa
             dy = -dy;
         }
 
+        int x_lower_limit = - 128;
+        if (x1 < x_lower_limit) {
+            int cy = dy * (x_lower_limit - x1) / dx + y1;
+            drawLine_midpoint_i(x_lower_limit, cy, x2, y2, span_func, data, style, devRect);
+            return;
+        }
+
         if (style == LineDrawNormal)
             --x2;
 
@@ -5335,6 +5342,13 @@ static void drawLine_midpoint_i(int x1, int y1, int x2, int y2, ProcessSpans spa
             dx = -dx;
         }
 
+        int y_lower_limit = - 128;
+        if (y1 < y_lower_limit) {
+            int cx = dx * (y_lower_limit - y1) / dy + x1;
+            drawLine_midpoint_i(cx, y_lower_limit, x2, y2, span_func, data, style, devRect);
+            return;
+        }
+
         if (style == LineDrawNormal)
             --y2;
 
diff --git a/src/gui/painting/qpaintengine_x11.cpp b/src/gui/painting/qpaintengine_x11.cpp
index 6816aac..a4d34b5 100644
--- a/src/gui/painting/qpaintengine_x11.cpp
+++ b/src/gui/painting/qpaintengine_x11.cpp
@@ -2459,15 +2459,23 @@ void QX11PaintEngine::drawFreetype(const QPointF &p, const QTextItemInt &ti)
     XRectangle rects[rectcount];
     int num_rects = 0;
 
+    QPoint delta(qRound(d->matrix.dx()), qRound(d->matrix.dy()));
+    QRect clip(d->polygonClipper.boundingRect());
     for (int i=0; i < path.elementCount(); i+=5) {
         int x = qRound(path.elementAt(i).x);
         int y = qRound(path.elementAt(i).y);
         int w = qRound(path.elementAt(i+1).x) - x;
         int h = qRound(path.elementAt(i+2).y) - y;
-        rects[num_rects].x = x + qRound(d->matrix.dx());
-        rects[num_rects].y = y + qRound(d->matrix.dy());
-        rects[num_rects].width = w;
-        rects[num_rects].height = h;
+
+        QRect rect = QRect(x + delta.x(), y + delta.y(), w, h);
+        rect = rect.intersected(clip);
+        if (rect.isEmpty())
+            continue;
+
+        rects[num_rects].x = short(rect.x());
+        rects[num_rects].y = short(rect.y());
+        rects[num_rects].width = ushort(rect.width());
+        rects[num_rects].height = ushort(rect.height());
         ++num_rects;
         if (num_rects == rectcount) {
             XFillRectangles(d->dpy, d->hd, d->gc, rects, num_rects);
diff --git a/src/gui/text/qtextcursor.cpp b/src/gui/text/qtextcursor.cpp
index 88ab9d0..5a938e3 100644
--- a/src/gui/text/qtextcursor.cpp
+++ b/src/gui/text/qtextcursor.cpp
@@ -84,7 +84,8 @@ QTextCursorPrivate::QTextCursorPrivate(const QTextCursorPrivate &rhs)
 
 QTextCursorPrivate::~QTextCursorPrivate()
 {
-    priv->removeCursor(this);
+    if (priv)
+        priv->removeCursor(this);
 }
 
 QTextCursorPrivate::AdjustResult QTextCursorPrivate::adjustPosition(int positionOfChange, int charsAddedOrRemoved, QTextUndoCommand::Operation op)