From 535161b217a9fb5117803cbff1ddcc97242c10f3 Mon Sep 17 00:00:00 2001
From: Paul Olav Tvete <paul.tvete@nokia.com>
Date: Thu, 22 Apr 2010 15:16:32 +0200
Subject: Avoid copying code.

---
 src/gui/kernel/qapplication_lite.cpp               |  2 +-
 src/gui/painting/qwindowsurface.cpp                |  8 +++-
 .../platforms/testlite/qtestlitewindowsurface.cpp  | 52 ++--------------------
 3 files changed, 11 insertions(+), 51 deletions(-)

diff --git a/src/gui/kernel/qapplication_lite.cpp b/src/gui/kernel/qapplication_lite.cpp
index 867c2dc..fae7663 100644
--- a/src/gui/kernel/qapplication_lite.cpp
+++ b/src/gui/kernel/qapplication_lite.cpp
@@ -627,7 +627,7 @@ void QApplicationPrivate::processMouseEvent(QWindowSystemInterface::MouseEvent *
         //even if we're blocked by modality, we should deliver the mouse release event..
         //### this code is not completely correct: multiple buttons can be pressed simultaneously
         if (!(implicit_mouse_grabber && buttons == Qt::NoButton)) {
-            qDebug() << "modal blocked mouse event to" << tlw;
+            //qDebug() << "modal blocked mouse event to" << tlw;
             return;
         }
     }
diff --git a/src/gui/painting/qwindowsurface.cpp b/src/gui/painting/qwindowsurface.cpp
index 7558cad..3b542bc 100644
--- a/src/gui/painting/qwindowsurface.cpp
+++ b/src/gui/painting/qwindowsurface.cpp
@@ -342,7 +342,13 @@ void QWindowSurface::setPartialUpdateSupport(bool enable)
     d_ptr->partialUpdateSupport = enable;
 }
 
-void qt_scrollRectInImage(QImage &img, const QRect &rect, const QPoint &offset)
+#ifdef Q_WS_LITE
+#define Q_EXPORT_SCROLLRECT Q_GUI_EXPORT
+#else
+#define Q_EXPORT_SCROLLRECT
+#endif
+
+void Q_EXPORT_SCROLLRECT qt_scrollRectInImage(QImage &img, const QRect &rect, const QPoint &offset)
 {
     // make sure we don't detach
     uchar *mem = const_cast<uchar*>(const_cast<const QImage &>(img).bits());
diff --git a/src/plugins/platforms/testlite/qtestlitewindowsurface.cpp b/src/plugins/platforms/testlite/qtestlitewindowsurface.cpp
index 3567118..a14a50e 100644
--- a/src/plugins/platforms/testlite/qtestlitewindowsurface.cpp
+++ b/src/plugins/platforms/testlite/qtestlitewindowsurface.cpp
@@ -197,54 +197,8 @@ void QTestLiteWindowSurface::flush(QWidget *widget, const QRegion &region, const
 #endif
 }
 
-//### scroll logic copied from QRasterWindowSurface, we should make better API for this
-
-void copied_qt_scrollRectInImage(QImage &img, const QRect &rect, const QPoint &offset)
-{
-    // make sure we don't detach
-    uchar *mem = const_cast<uchar*>(const_cast<const QImage &>(img).bits());
-
-    int lineskip = img.bytesPerLine();
-    int depth = img.depth() >> 3;
-
-    const QRect imageRect(0, 0, img.width(), img.height());
-    const QRect r = rect & imageRect & imageRect.translated(-offset);
-    const QPoint p = rect.topLeft() + offset;
-
-    if (r.isEmpty())
-        return;
-
-    const uchar *src;
-    uchar *dest;
-
-    if (r.top() < p.y()) {
-        src = mem + r.bottom() * lineskip + r.left() * depth;
-        dest = mem + (p.y() + r.height() - 1) * lineskip + p.x() * depth;
-        lineskip = -lineskip;
-    } else {
-        src = mem + r.top() * lineskip + r.left() * depth;
-        dest = mem + p.y() * lineskip + p.x() * depth;
-    }
-
-    const int w = r.width();
-    int h = r.height();
-    const int bytes = w * depth;
-
-    // overlapping segments?
-    if (offset.y() == 0 && qAbs(offset.x()) < w) {
-        do {
-            ::memmove(dest, src, bytes);
-            dest += lineskip;
-            src += lineskip;
-        } while (--h);
-    } else {
-        do {
-            ::memcpy(dest, src, bytes);
-            dest += lineskip;
-            src += lineskip;
-        } while (--h);
-    }
-}
+// from qwindowsurface.cpp
+extern void qt_scrollRectInImage(QImage &img, const QRect &rect, const QPoint &offset);
 
 bool QTestLiteWindowSurface::scroll(const QRegion &area, int dx, int dy)
 {
@@ -253,7 +207,7 @@ bool QTestLiteWindowSurface::scroll(const QRegion &area, int dx, int dy)
 
     const QVector<QRect> rects = area.rects();
     for (int i = 0; i < rects.size(); ++i)
-        copied_qt_scrollRectInImage(shm_img, rects.at(i), QPoint(dx, dy));
+        qt_scrollRectInImage(shm_img, rects.at(i), QPoint(dx, dy));
 
     return true;
 }
-- 
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