diff options
Diffstat (limited to 'src/gui/text/qtextdocument_p.cpp')
-rw-r--r-- | src/gui/text/qtextdocument_p.cpp | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/src/gui/text/qtextdocument_p.cpp b/src/gui/text/qtextdocument_p.cpp index 2ad6512..b015198 100644 --- a/src/gui/text/qtextdocument_p.cpp +++ b/src/gui/text/qtextdocument_p.cpp @@ -870,6 +870,7 @@ int QTextDocumentPrivate::undoRedo(bool undo) undoEnabled = false; beginEditBlock(); + int editPos = -1; while (1) { if (undo) --undoState; @@ -881,11 +882,13 @@ int QTextDocumentPrivate::undoRedo(bool undo) remove(c.pos, c.length, (QTextUndoCommand::Operation)c.operation); PMDEBUG(" erase: from %d, length %d", c.pos, c.length); c.command = QTextUndoCommand::Removed; + editPos = c.pos; break; case QTextUndoCommand::Removed: PMDEBUG(" insert: format %d (from %d, length %d, strpos=%d)", c.format, c.pos, c.length, c.strPos); insert_string(c.pos, c.strPos, c.length, c.format, (QTextUndoCommand::Operation)c.operation); c.command = QTextUndoCommand::Inserted; + editPos = c.pos + c.length; break; case QTextUndoCommand::BlockInserted: case QTextUndoCommand::BlockAdded: @@ -895,6 +898,7 @@ int QTextDocumentPrivate::undoRedo(bool undo) c.command = QTextUndoCommand::BlockRemoved; else c.command = QTextUndoCommand::BlockDeleted; + editPos = c.pos; break; case QTextUndoCommand::BlockRemoved: case QTextUndoCommand::BlockDeleted: @@ -905,6 +909,7 @@ int QTextDocumentPrivate::undoRedo(bool undo) c.command = QTextUndoCommand::BlockInserted; else c.command = QTextUndoCommand::BlockAdded; + editPos = c.pos + 1; break; case QTextUndoCommand::CharFormatChanged: { resetBlockRevision = -1; // ## TODO @@ -915,6 +920,7 @@ int QTextDocumentPrivate::undoRedo(bool undo) int oldFormat = it.value()->format; setCharFormat(c.pos, c.length, formats.charFormat(c.format)); c.format = oldFormat; + editPos = c.pos + c.length; break; } case QTextUndoCommand::BlockFormatChanged: { @@ -937,6 +943,7 @@ int QTextDocumentPrivate::undoRedo(bool undo) group->blockFormatChanged(it); } documentChange(it.position(), it.length()); + editPos = -1; break; } case QTextUndoCommand::GroupFormatChange: { @@ -946,6 +953,7 @@ int QTextDocumentPrivate::undoRedo(bool undo) int oldFormat = formats.objectFormatIndex(c.objectIndex); changeObjectFormat(object, c.format); c.format = oldFormat; + editPos = -1; break; } case QTextUndoCommand::Custom: @@ -954,6 +962,7 @@ int QTextDocumentPrivate::undoRedo(bool undo) c.custom->undo(); else c.custom->redo(); + editPos = -1; break; default: Q_ASSERT(false); @@ -979,8 +988,7 @@ int QTextDocumentPrivate::undoRedo(bool undo) break; } undoEnabled = true; - int editPos = -1; - if (docChangeFrom >= 0) { + if (editPos < 0 && docChangeFrom >= 0) { editPos = qMin(docChangeFrom + docChangeLength, length() - 1); } endEditBlock(); @@ -1114,9 +1122,11 @@ void QTextDocumentPrivate::endEditBlock() return; if (undoEnabled && undoState > 0) { + const bool wasBlocking = !undoStack[undoState - 1].block_end; if (undoStack[undoState - 1].block_part) { undoStack[undoState - 1].block_end = true; - emit document()->undoCommandAdded(); + if (wasBlocking) + emit document()->undoCommandAdded(); } } |