diff options
-rw-r--r-- | src/gui/text/qtextcursor.cpp | 3 | ||||
-rw-r--r-- | src/gui/text/qtextdocument_p.cpp | 19 | ||||
-rw-r--r-- | src/gui/text/qtextdocument_p.h | 2 | ||||
-rw-r--r-- | tests/auto/qtextcursor/tst_qtextcursor.cpp | 18 |
4 files changed, 41 insertions, 1 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; diff --git a/tests/auto/qtextcursor/tst_qtextcursor.cpp b/tests/auto/qtextcursor/tst_qtextcursor.cpp index 99babac..41835bb 100644 --- a/tests/auto/qtextcursor/tst_qtextcursor.cpp +++ b/tests/auto/qtextcursor/tst_qtextcursor.cpp @@ -151,6 +151,7 @@ private slots: void cursorPositionWithBlockUndoAndRedo(); void cursorPositionWithBlockUndoAndRedo2(); + void cursorPositionWithBlockUndoAndRedo3(); private: int blockCount(); @@ -1756,9 +1757,9 @@ void tst_QTextCursor::adjustCursorsOnInsert() void tst_QTextCursor::cursorPositionWithBlockUndoAndRedo() { cursor.insertText("AAAABBBBCCCCDDDD"); - cursor.beginEditBlock(); cursor.setPosition(12); int cursorPositionBefore = cursor.position(); + cursor.beginEditBlock(); cursor.insertText("*"); cursor.setPosition(8); cursor.insertText("*"); @@ -1814,5 +1815,20 @@ void tst_QTextCursor::cursorPositionWithBlockUndoAndRedo2() QCOMPARE(cursor.position(), cursorPositionBefore); } +void tst_QTextCursor::cursorPositionWithBlockUndoAndRedo3() +{ + // verify that it's the position of the beginEditBlock that counts, and not the last edit position + cursor.insertText("AAAABBBB"); + int cursorPositionBefore = cursor.position(); + cursor.beginEditBlock(); + cursor.setPosition(4); + QVERIFY(cursor.position() != cursorPositionBefore); + cursor.insertText("*"); + cursor.endEditBlock(); + QCOMPARE(cursor.position(), 5); + doc->undo(&cursor); + QCOMPARE(cursor.position(), cursorPositionBefore); +} + QTEST_MAIN(tst_QTextCursor) #include "tst_qtextcursor.moc" |