Changeset 710

Timestamp:

Apr 26, 2010, 4:59:03 PM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

gui: Fixed distortions in Dive mode when moving windows of other processes over a Qt window by ignoring the ffVisRgnChanged flag of WM_VRNENABLED which PM doesn't always set correctly.

File:

• trunk/src/gui/painting/qwindowsurface_pm.cpp (modified) (2 diffs)

trunk/src/gui/painting/qwindowsurface_pm.cpp

@@ -304 +304 @@
     // during resize & move due to the different event order)
     QRect src = from.intersected(QRect(0, 0, d->image->width(), d->image->height()));
-    QPoint dst = to - (src.bottomLeft() - from.bottomLeft());
+    QPoint dst = to + (src.bottomLeft() - from.bottomLeft());
 
     HWND hwnd = window()->winId();
@@ -391 +391 @@
         case WM_VRNENABLED: {
             d->vrnDisabled = false;
+            // Note that when an overlapping window of *other* process is moved
+            // over this window, PM still sends WM_VRNENABLED to it but with
+            // ffVisRgnChanged set to FALSE although the visible region *does*
+            // actually change (it doesn't seem to be the case for windows of
+            // the same process). The solution is to ignore this flag and always
+            // assume that the visible region was changed when we get this msg
+#if 0
             if (LONGFROMMP(msg->mp1)) // window's visible region changed
+#endif
                 d->vrnDirty = true;
             d->posDirty = true;