void CUndoRedoStack::remove(QUndoCommand* cmd)
{
if(!cmd)
return;
int inUndo = d->undoStack.indexOf(cmd);
int inRedo = inUndo >= 0 ? -1 : d->redoStack.indexOf(cmd);
CUndoRedoCmdBase* cmd2 = dynamic_cast<CUndoRedoCmdBase*>(cmd);
if(cmd2)
removeCommand(cmd2);
if(inUndo >= 0)
{
d->undoStack.remove(inUndo);
emit canUndoChanged(d->undoStack.count());
}
else if(inRedo >= 0)
{
d->redoStack.remove(inRedo);
emit canRedoChanged(d->redoStack.count());
}
emit countChanged(count());
}
void QUndoStack::clear()
{
Q_D(QUndoStack);
if (d->command_list.isEmpty())
return;
bool was_clean = isClean();
d->macro_stack.clear();
qDeleteAll(d->command_list);
d->command_list.clear();
d->index = 0;
d->clean_index = 0;
emit indexChanged(0);
emit canUndoChanged(false);
emit undoTextChanged(QString());
emit canRedoChanged(false);
emit redoTextChanged(QString());
if (!was_clean)
emit cleanChanged(true);
}
void KUndo2QStack::setIndex(int idx, bool clean)
{
bool was_clean = m_index == m_clean_index;
if (m_lastMergedIndex <= idx) {
m_lastMergedSetCount = idx - m_lastMergedIndex;
} else {
m_lastMergedSetCount = 1;
m_lastMergedIndex = idx-1;
}
if(idx == 0){
m_lastMergedSetCount = 0;
m_lastMergedIndex = 0;
}
if (idx != m_index) {
m_index = idx;
emit indexChanged(m_index);
emit canUndoChanged(canUndo());
emit undoTextChanged(undoText());
emit canRedoChanged(canRedo());
emit redoTextChanged(redoText());
}
if (clean)
m_clean_index = m_index;
bool is_clean = m_index == m_clean_index;
if (is_clean != was_clean)
emit cleanChanged(is_clean);
}
void GameMovesRegistry::failExecution()
{
m_performedCmnds.clear();
m_undoneCmnds.clear();
emit canRedoChanged(canRedo());
emit canUndoChanged(canUndo());
emit executionFailed();
}
void GameMovesRegistry::clear()
{
m_performedCmnds.clear();
m_undoneCmnds.clear();
emit countChanged(count());
emit canRedoChanged(canRedo());
emit canUndoChanged(canUndo());
}
void UndoStack::execCmd(UndoCommand* cmd, bool autoMerge) throw (Exception)
{
Q_CHECK_PTR(cmd);
if (mCommandActive)
{
delete cmd;
throw RuntimeError(__FILE__, __LINE__, QString(), tr("Another command is active "
"at the moment. Please finish that command to continue."));
}
if (mCleanIndex > mCurrentIndex)
mCleanIndex = -1; // the clean state will no longer exist -> make the index invalid
// first, delete all commands above the current index (make redo impossible)
// --> in reverse order (from top to bottom)!
while (mCurrentIndex < mCommands.count())
delete mCommands.takeLast();
Q_ASSERT(mCurrentIndex == mCommands.count());
try
{
cmd->redo(); // throws an exception on error
}
catch (Exception& e)
{
// delete the command because this UndoStack object will NOT take the ownership
// over the failed command! and then rethrow the exception...
delete cmd;
throw;
}
// command successfully executed, try to merge it with the last executed command
bool merged = false;
if ((autoMerge) && (mCurrentIndex > 0))
merged = mCommands[mCurrentIndex-1]->mergeWith(cmd); // try merging the commands
if (!merged)
{
// command was not merged --> add it to the command stack and emit signals
mCommands.append(cmd);
mCurrentIndex++;
// emit signals
emit undoTextChanged(QString(tr("Undo: %1")).arg(cmd->getText()));
emit redoTextChanged(tr("Redo"));
emit canUndoChanged(true);
emit canRedoChanged(false);
emit cleanChanged(false);
}
}
void UndoStack::beginCommand(const QString& text) throw (Exception)
{
if (mCommandActive)
{
throw RuntimeError(__FILE__, __LINE__, QString(), tr("Another command is active "
"at the moment. Please finish that command to continue."));
}
UndoCommand* cmd = new UndoCommand(text);
execCmd(cmd, false); // throws an exception on error; emits all signals; does NOT merge
mCommandActive = true;
// emit signals
emit canUndoChanged(false);
}
void UndoStack::redo() throw (Exception)
{
if (!canRedo())
return;
mCommands[mCurrentIndex]->redo(); // throws an exception on error
mCurrentIndex++;
// emit signals
emit undoTextChanged(getUndoText());
emit redoTextChanged(getRedoText());
emit canUndoChanged(canUndo());
emit canRedoChanged(canRedo());
emit cleanChanged(isClean());
}
void UndoStack::undo() throw (Exception)
{
if ((!canUndo()) || (mCommandActive)) // if a command is active, undo() is not allowed
return;
mCommands[mCurrentIndex-1]->undo(); // throws an exception on error
mCurrentIndex--;
// emit signals
emit undoTextChanged(getUndoText());
emit redoTextChanged(getRedoText());
emit canUndoChanged(canUndo());
emit canRedoChanged(canRedo());
emit cleanChanged(isClean());
}
void CUndoRedoStack::redo()
{
QUndoCommand* topCmd = d->redoStack.count() ? d->redoStack.pop() : 0;
if(!topCmd)
return;
QString cmdText = topCmd->text();
topCmd->redo();
d->undoStack.push(topCmd);
qWarning("Redo: %s", qPrintable(cmdText));
// emit change notifications.
emit redone(cmdText);
emit canUndoChanged(d->undoStack.count());
emit canRedoChanged(d->redoStack.count());
}
void CUndoRedoStack::push(QUndoCommand* cmd)
{
if(!cmd)
return;
// First register the undo command into the undo stack.
QUndoCommand* topCmd = d->undoStack.count() ? d->undoStack.top() : 0;
if(!topCmd)
{
d->undoStack.push(cmd);
CUndoRedoCmdBase* cmd2 = dynamic_cast<CUndoRedoCmdBase*>(cmd);
if(cmd2)
addCommand(cmd2);
}
else
{
if(topCmd->id() == cmd->id())
{
bool success = topCmd->mergeWith(cmd);
if(!success)
{
d->undoStack.push(cmd);
CUndoRedoCmdBase* cmd2 = dynamic_cast<CUndoRedoCmdBase*>(cmd);
if(cmd2)
addCommand(cmd2);
}
else
delete cmd;
}
}
// Now clear the redo stack.
for(int i=0; i<d->redoStack.count(); i++)
{
QUndoCommand* cmd = d->redoStack.pop();
CUndoRedoCmdBase* cmd2 = dynamic_cast<CUndoRedoCmdBase*>(cmd);
if(cmd2)
removeCommand(cmd2);
delete cmd;
}
// emit change notifications.
emit canUndoChanged(d->undoStack.count());
emit canRedoChanged(d->redoStack.count());
emit countChanged(count());
}
void QUndoStack::push(QUndoCommand *cmd)
{
Q_D(QUndoStack);
cmd->redo();
bool macro = !d->macro_stack.isEmpty();
QUndoCommand *cur = 0;
if (macro) {
QUndoCommand *macro_cmd = d->macro_stack.last();
if (!macro_cmd->d->child_list.isEmpty())
cur = macro_cmd->d->child_list.last();
} else {
if (d->index > 0)
cur = d->command_list.at(d->index - 1);
while (d->index < d->command_list.size())
delete d->command_list.takeLast();
if (d->clean_index > d->index)
d->clean_index = -1; // we've deleted the clean state
}
bool try_merge = cur != 0
&& cur->id() != -1
&& cur->id() == cmd->id()
&& (macro || d->index != d->clean_index);
if (try_merge && cur->mergeWith(cmd)) {
delete cmd;
if (!macro) {
emit indexChanged(d->index);
emit canUndoChanged(canUndo());
emit undoTextChanged(undoText());
emit canRedoChanged(canRedo());
emit redoTextChanged(redoText());
}
} else {
if (macro) {
d->macro_stack.last()->d->child_list.append(cmd);
} else {
d->command_list.append(cmd);
d->checkUndoLimit();
d->setIndex(d->index + 1, false);
}
}
}
void KUndo2QStack::push(KUndo2Command *cmd)
{
cmd->redo();
bool macro = !m_macro_stack.isEmpty();
KUndo2Command *cur = 0;
if (macro) {
KUndo2Command *macro_cmd = m_macro_stack.last();
if (!macro_cmd->d->child_list.isEmpty())
cur = macro_cmd->d->child_list.last();
} else {
if (m_index > 0)
cur = m_command_list.at(m_index - 1);
while (m_index < m_command_list.size())
delete m_command_list.takeLast();
if (m_clean_index > m_index)
m_clean_index = -1; // we've deleted the clean state
}
bool try_merge = cur != 0
&& cur->id() != -1
&& cur->id() == cmd->id()
&& (macro || m_index != m_clean_index);
if (try_merge && cur->mergeWith(cmd)) {
delete cmd;
if (!macro) {
emit indexChanged(m_index);
emit canUndoChanged(canUndo());
emit undoTextChanged(undoText());
emit canRedoChanged(canRedo());
emit redoTextChanged(redoText());
}
} else {
if (macro) {
m_macro_stack.last()->d->child_list.append(cmd);
} else {
m_command_list.append(cmd);
checkUndoLimit();
setIndex(m_index + 1, false);
}
}
}
void KUndo2QStack::setIndex(int idx, bool clean)
{
bool was_clean = m_index == m_clean_index;
if (idx != m_index) {
m_index = idx;
emit indexChanged(m_index);
emit canUndoChanged(canUndo());
emit undoTextChanged(undoText());
emit canRedoChanged(canRedo());
emit redoTextChanged(redoText());
}
if (clean)
m_clean_index = m_index;
bool is_clean = m_index == m_clean_index;
if (is_clean != was_clean)
emit cleanChanged(is_clean);
}
void UndoStack::abortCommand() throw (Exception)
{
Q_ASSERT(mCurrentIndex == mCommands.count());
if (!mCommandActive)
throw LogicError(__FILE__, __LINE__, QString(), tr("No command active!"));
mCommands.last()->undo(); // throws an exception on error
mCurrentIndex--;
mCommandActive = false;
delete mCommands.takeLast(); // delete and remove the aborted command from the stack
// emit signals
emit undoTextChanged(getUndoText());
emit redoTextChanged(tr("Redo"));
emit canUndoChanged(canUndo());
emit canRedoChanged(false);
emit cleanChanged(isClean());
emit commandAborted(); // this is important!
}
void UndoStack::endCommand() throw (Exception)
{
Q_ASSERT(mCurrentIndex == mCommands.count());
if (!mCommandActive)
throw LogicError(__FILE__, __LINE__, QString(), tr("No command active!"));
if (mCommands.last()->getChildCount() == 0)
{
// the last command is empty --> remove it from the stack!
abortCommand();
return;
}
mCommandActive = false;
// emit signals
emit canUndoChanged(canUndo());
emit commandEnded();
}
void CUndoRedoStack::clear()
{
qDeleteAll(d->undoStack);
qDeleteAll(d->redoStack);
d->undoStack.clear();
d->redoStack.clear();
QList<QObject*> objects = d->objectCmdMap.keys();
for(int i=0; i<objects.count(); i++)
{
if(d->invalidPtrList.contains( objects[i] ) )
continue;
disconnect(objects[i], 0, this, 0);
}
d->objectCmdMap.clear();
emit stackCleared();
emit canUndoChanged(false);
emit canRedoChanged(false);
emit countChanged(count());
}
int QUndoGroup::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QObject::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: activeStackChanged((*reinterpret_cast< QUndoStack*(*)>(_a[1]))); break;
case 1: indexChanged((*reinterpret_cast< int(*)>(_a[1]))); break;
case 2: cleanChanged((*reinterpret_cast< bool(*)>(_a[1]))); break;
case 3: canUndoChanged((*reinterpret_cast< bool(*)>(_a[1]))); break;
case 4: canRedoChanged((*reinterpret_cast< bool(*)>(_a[1]))); break;
case 5: undoTextChanged((*reinterpret_cast< const QString(*)>(_a[1]))); break;
case 6: redoTextChanged((*reinterpret_cast< const QString(*)>(_a[1]))); break;
case 7: undo(); break;
case 8: redo(); break;
case 9: setActiveStack((*reinterpret_cast< QUndoStack*(*)>(_a[1]))); break;
default: ;
}
_id -= 10;
}
return _id;
}
/// Reverts the last command issued by undo().
void UndoStack::redo()
{
if(inGroup()){
endGroup();
}
if(!canRedo()){
return;
}
UndoCommand *command = m_redoStack.top();
m_redoStack.pop();
command->redo();
m_undoStack.push(command);
if(m_undoStack.size() == 1){
canUndoChanged(true);
}
if(m_redoStack.empty()){
canRedoChanged(false);
}
}
void GameMovesRegistry::undo()
{
if (!canUndo())
{
return;
}
qDebug() << "Undo";
IMoveCommand::UPtr cmd = std::move(m_performedCmnds.back());
m_performedCmnds.pop_back();
m_undoneCmnds.push_back(std::move(cmd));
if (!m_undoneCmnds.back()->undo(m_board))
{
failExecution();
return;
}
emit newMoveDone();
emit canRedoChanged(canRedo());
emit canUndoChanged(canUndo());
}
void UndoStack::clear() noexcept
{
if (mCommands.isEmpty())
return;
if (mCommandActive)
try {abortCommand();} catch (...) {}
// delete all commands in the stack from top to bottom (newest first, oldest last)!
while (!mCommands.isEmpty())
delete mCommands.takeLast();
mCurrentIndex = 0;
mCleanIndex = 0;
mCommandActive = false;
// emit signals
emit undoTextChanged(tr("Undo"));
emit redoTextChanged(tr("Redo"));
emit canUndoChanged(false);
emit canRedoChanged(false);
emit cleanChanged(true);
}
void KUndo2QStack::beginMacro(const KUndo2MagicString &text)
{
KUndo2Command *cmd = new KUndo2Command();
cmd->setText(text);
if (m_macro_stack.isEmpty()) {
while (m_index < m_command_list.size())
delete m_command_list.takeLast();
if (m_clean_index > m_index)
m_clean_index = -1; // we've deleted the clean state
m_command_list.append(cmd);
} else {
m_macro_stack.last()->d->child_list.append(cmd);
}
m_macro_stack.append(cmd);
if (m_macro_stack.count() == 1) {
emit canUndoChanged(false);
emit undoTextChanged(QString());
emit canRedoChanged(false);
emit redoTextChanged(QString());
}
}
void QtUndoStack::beginMacro(const QString &text)
{
QtUndoCommand *cmd = new QtUndoCommand();
cmd->setText(text);
if (d_ptr->macro_stack.isEmpty()) {
while (d_ptr->index < d_ptr->command_list.size())
delete d_ptr->command_list.takeLast();
if (d_ptr->clean_index > d_ptr->index)
d_ptr->clean_index = -1; // we've deleted the clean state
d_ptr->command_list.append(cmd);
} else {
d_ptr->macro_stack.last()->d_ptr->child_list.append(cmd);
}
d_ptr->macro_stack.append(cmd);
if (d_ptr->macro_stack.count() == 1) {
emit canUndoChanged(false);
emit undoTextChanged(QString());
emit canRedoChanged(false);
emit redoTextChanged(QString());
}
}
void KUndo2QStack::clear()
{
if (m_command_list.isEmpty())
return;
bool was_clean = isClean();
m_macro_stack.clear();
qDeleteAll(m_command_list);
m_command_list.clear();
m_index = 0;
m_clean_index = 0;
emit indexChanged(0);
emit canUndoChanged(false);
emit undoTextChanged(QString());
emit canRedoChanged(false);
emit redoTextChanged(QString());
if (!was_clean)
emit cleanChanged(true);
}
void disableActions()
{
canUndoChanged(false);
canRedoChanged(false);
}
bool KUndo2QStack::push(KUndo2Command *cmd)
{
cmd->redoMergedCommands();
cmd->setEndTime();
bool macro = !m_macro_stack.isEmpty();
KUndo2Command *cur = 0;
if (macro) {
KUndo2Command *macro_cmd = m_macro_stack.last();
if (!macro_cmd->d->child_list.isEmpty())
cur = macro_cmd->d->child_list.last();
} else {
if (m_index > 0)
cur = m_command_list.at(m_index - 1);
while (m_index < m_command_list.size())
delete m_command_list.takeLast();
if (m_clean_index > m_index)
m_clean_index = -1; // we've deleted the clean state
}
bool try_merge = cur != 0
&& cur->id() != -1
&& cur->id() == cmd->id()
&& (macro || m_index != m_clean_index);
/*!
*Here we are going to try to merge several commands together using the QVector field in the commands using
*3 parameters. N : Number of commands that should remain individual at the top of the stack. T1 : Time lapsed between current command and previously merged command -- signal to
*merge throughout the stack. T2 : Time lapsed between two commands signalling both commands belong to the same set
*Whenever a KUndo2Command is initialized -- it consists of a start-time and when it is pushed --an end time.
*Every time a command is pushed -- it checks whether the command pushed was pushed after T1 seconds of the last merged command
*Then the merging begins with each group depending on the time in between each command (T2).
*
*@TODO : Currently it is not able to merge two merged commands together.
*/
if (!macro && m_command_list.size() > 1 && cmd->timedId() != -1 && m_useCumulativeUndoRedo) {
KUndo2Command* lastcmd = m_command_list.last();
if (qAbs(cmd->time().msecsTo(lastcmd->endTime())) < m_timeT2 * 1000) {
m_lastMergedSetCount++;
} else {
m_lastMergedSetCount = 0;
m_lastMergedIndex = m_index-1;
}
if (lastcmd->timedId() == -1){
m_lastMergedSetCount = 0;
m_lastMergedIndex = m_index;
}
if (m_lastMergedSetCount > m_strokesN) {
KUndo2Command* toMerge = m_command_list.at(m_lastMergedIndex);
if (toMerge && m_command_list.size() >= m_lastMergedIndex + 1 && m_command_list.at(m_lastMergedIndex + 1)) {
if(toMerge->timedMergeWith(m_command_list.at(m_lastMergedIndex + 1))){
m_command_list.removeAt(m_lastMergedIndex + 1);
}
m_lastMergedSetCount--;
m_lastMergedIndex = m_command_list.indexOf(toMerge);
}
}
m_index = m_command_list.size();
if(m_lastMergedIndex<m_index){
if (cmd->time().msecsTo(m_command_list.at(m_lastMergedIndex)->endTime()) < -m_timeT1 * 1000) { //T1 time elapsed
QListIterator<KUndo2Command*> it(m_command_list);
it.toBack();
m_lastMergedSetCount = 1;
while (it.hasPrevious()) {
KUndo2Command* curr = it.previous();
KUndo2Command* lastCmdInCurrent = curr;
if (!lastcmd->mergeCommandsVector().isEmpty()) {
if (qAbs(lastcmd->mergeCommandsVector().last()->time().msecsTo(lastCmdInCurrent->endTime())) < int(m_timeT2 * 1000) && lastcmd != lastCmdInCurrent && lastcmd != curr) {
if(lastcmd->timedMergeWith(curr)){
if (m_command_list.contains(curr)) {
m_command_list.removeOne(curr);
}
}
} else {
lastcmd = curr; //end of a merge set
}
} else {
if (qAbs(lastcmd->time().msecsTo(lastCmdInCurrent->endTime())) < int(m_timeT2 * 1000) && lastcmd != lastCmdInCurrent &&lastcmd!=curr) {
if(lastcmd->timedMergeWith(curr)){
if (m_command_list.contains(curr)){
m_command_list.removeOne(curr);
}
}
} else {
lastcmd = curr; //end of a merge set
}
}
}
m_lastMergedIndex = m_command_list.size()-1;
}
}
m_index = m_command_list.size();
}
if (try_merge && cur->mergeWith(cmd)) {
delete cmd;
cmd = 0;
if (!macro) {
emit indexChanged(m_index);
emit canUndoChanged(canUndo());
emit undoTextChanged(undoText());
emit canRedoChanged(canRedo());
emit redoTextChanged(redoText());
}
} else {
if (macro) {
m_macro_stack.last()->d->child_list.append(cmd);
} else {
m_command_list.append(cmd);
if(checkUndoLimit())
{
m_lastMergedIndex = m_index - m_strokesN;
}
setIndex(m_index + 1, false);
}
}
return cmd;
}
void KisSketchView::documentChanged()
{
d->doc = DocumentManager::instance()->document();
if (!d->doc) return;
connect(d->doc, SIGNAL(modified(bool)), SIGNAL(modifiedChanged()));
KisSketchPart *part = DocumentManager::instance()->part();
Q_ASSERT(part);
QPointer<KisView2> view = qobject_cast<KisView2*>(part->createView(d->doc, QApplication::activeWindow()));
d->view = view;
d->view->setShowFloatingMessage(false);
connect(d->view, SIGNAL(floatingMessageRequested(QString,QString)), this, SIGNAL(floatingMessageRequested(QString,QString)));
d->view->canvasControllerWidget()->setGeometry(x(), y(), width(), height());
d->view->hide();
d->canvas = d->view->canvasBase();
d->undoStack = d->doc->undoStack();
d->undoAction = d->view->actionCollection()->action("edit_undo");
connect(d->undoAction, SIGNAL(changed()), this, SIGNAL(canUndoChanged()));
d->redoAction = d->view->actionCollection()->action("edit_redo");
connect(d->redoAction, SIGNAL(changed()), this, SIGNAL(canRedoChanged()));
KoToolManager::instance()->switchToolRequested( "KritaShape/KisToolBrush" );
d->canvasWidget = d->canvas->canvasWidget();
connect(d->doc->image(), SIGNAL(sigImageUpdated(QRect)), SLOT(imageUpdated(QRect)));
connect(d->view->canvasControllerWidget()->proxyObject, SIGNAL(moveDocumentOffset(QPoint)), SLOT(documentOffsetMoved()));
connect(d->view->zoomController(), SIGNAL(zoomChanged(KoZoomMode::Mode,qreal)), SLOT(zoomChanged()));
connect(d->canvas, SIGNAL(updateCanvasRequested(QRect)), SLOT(imageUpdated(QRect)));
connect(d->doc->image()->signalRouter(), SIGNAL(sigRemoveNodeAsync(KisNodeSP)), SLOT(removeNodeAsync(KisNodeSP)));
connect(d->doc->image()->signalRouter(), SIGNAL(sigSizeChanged(QPointF,QPointF)), SIGNAL(imageSizeChanged()));
if(scene()) {
SketchDeclarativeView *v = qobject_cast<SketchDeclarativeView*>(scene()->views().at(0));
if (v) {
v->setCanvasWidget(d->canvasWidget);
v->setDrawCanvas(true);
}
}
d->imageUpdated(d->canvas->image()->bounds());
static_cast<KoZoomHandler*>(d->canvas->viewConverter())->setResolution(d->doc->image()->xRes(), d->doc->image()->yRes());
d->view->zoomController()->setZoomMode(KoZoomMode::ZOOM_PAGE);
d->view->canvasControllerWidget()->setScrollBarValue(QPoint(0, 0));
d->view->canvasControllerWidget()->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
d->view->canvasControllerWidget()->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
geometryChanged(QRectF(x(), y(), width(), height()), QRectF());
d->loadedTimer->start(100);
d->view->actionCollection()->action("zoom_to_100pct")->trigger();
d->resetDocumentPosition();
emit viewChanged();
}