Merge branch '4.7' of scm.dev.nokia.troll.no:qt/qt-qml into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/qt-qml: (42 commits)
  Update on color change.
  Update on color change.
  Add go button to webbrowser example.
  Remove 'XXX Experimental' from VisualItemModel/VisualDataModel and
  Document attached properties
  Add 'on' prefix to documentation of signals
  Stablize qmlviewer test
  Improve test stability.
  qmlviewer: ensure that only clicks on the current file list are handled.
  Doc improvements: move some example code to snippets, add screenshots,
  Move some example code into snippets/ and add other doc fixes
  Fix crash when changing ListView model with highlightRangeMode: ListView.StrictlyEnforceRange
  Fix GridView bounds behavior with snapping enabled.
  Small optimization when checking if MouseArea's onPressAndHold is
  Fix autotest.
  Fixed `nmake clean' breaking declarative imports on Windows.
  Fix drawing flicker on Qml Viewer startup
  Fix snake demo
  Add qmlmethod Item::childAt() to delarative item
  Cursor positioning in QTextDocument after undo()
  ...

3 files changed, 24 insertions, 0 deletions

diff --git a/src/gui/text/qtextcursor.cpp b/src/gui/text/qtextcursor.cpp
index d6ac3aa..3db66ce 100644
--- a/src/gui/text/qtextcursor.cpp
+++ b/src/gui/text/qtextcursor.cpp
@@ -2437,6 +2437,9 @@ void QTextCursor::beginEditBlock()
     if (!d || !d->priv)
         return;
 
+    if (d->priv->editBlock == 0) // we are the initial edit block, store current cursor position for undo
+        d->priv->editBlockCursorPosition = d->position;
+
     d->priv->beginEditBlock();
 }
 
diff --git a/src/gui/text/qtextdocument_p.cpp b/src/gui/text/qtextdocument_p.cpp
index e2bca04..f3cd481 100644
--- a/src/gui/text/qtextdocument_p.cpp
+++ b/src/gui/text/qtextdocument_p.cpp
@@ -192,6 +192,7 @@ QTextDocumentPrivate::QTextDocumentPrivate()
     initialBlockCharFormatIndex(-1) // set correctly later in init()
 {
     editBlock = 0;
+    editBlockCursorPosition = -1;
     docChangeFrom = -1;
 
     undoState = 0;
@@ -967,6 +968,10 @@ int QTextDocumentPrivate::undoRedo(bool undo)
             editPos = -1;
 	    break;
 	}
+        case QTextUndoCommand::CursorMoved:
+            editPos = c.pos;
+            editLength = 0;
+            break;
 	case QTextUndoCommand::Custom:
             resetBlockRevision = -1; // ## TODO
             if (undo)
@@ -1046,6 +1051,18 @@ void QTextDocumentPrivate::appendUndoItem(const QTextUndoCommand &c)
     if (undoState < undoStack.size())
         clearUndoRedoStacks(QTextDocument::RedoStack);
 
+    if (editBlock != 0 && editBlockCursorPosition >= 0) { // we had a beginEditBlock() with a cursor position
+        if (c.pos != (quint32) editBlockCursorPosition) { // and that cursor position is different from the command
+            // generate a CursorMoved undo item
+            QT_INIT_TEXTUNDOCOMMAND(cc, QTextUndoCommand::CursorMoved, true, QTextUndoCommand::MoveCursor,
+                                    0, 0, editBlockCursorPosition, 0, 0);
+            undoStack.append(cc);
+            undoState++;
+            editBlockCursorPosition = -1;
+        }
+    }
+
+
     if (!undoStack.isEmpty() && modified) {
         QTextUndoCommand &last = undoStack[undoState - 1];
 
@@ -1167,6 +1184,8 @@ void QTextDocumentPrivate::endEditBlock()
         }
     }
 
+    editBlockCursorPosition = -1;
+
     finishEdit();
 }
 
diff --git a/src/gui/text/qtextdocument_p.h b/src/gui/text/qtextdocument_p.h
index ac5ed3c..d1bd698 100644
--- a/src/gui/text/qtextdocument_p.h
+++ b/src/gui/text/qtextdocument_p.h
@@ -132,6 +132,7 @@ public:
         BlockAdded = 6,
         BlockDeleted = 7,
         GroupFormatChange = 8,
+        CursorMoved = 9,
         Custom = 256
     };
     enum Operation {
@@ -315,6 +316,7 @@ private:
     bool modified;
 
     int editBlock;
+    int editBlockCursorPosition;
     int docChangeFrom;
     int docChangeOldLength;
     int docChangeLength;