IQ.Pilot Release Commit @ 661a2de

tools/cabana/commands.cc

@@ -1,25 +1,86 @@
-#include <QApplication>
-
 #include "tools/cabana/commands.h"
 
+#include <cmath>
+
+// UndoStack
+
+void UndoStack::push(UndoCommand *cmd) {
+  commands_.resize(index_);  // drop any redoable commands
+  if (clean_index_ > index_) clean_index_ = -1;
+  commands_.emplace_back(cmd);
+  cmd->redo();
+  setIndex(index_ + 1);
+}
+
+void UndoStack::undo() {
+  if (!canUndo()) return;
+  commands_[index_ - 1]->undo();
+  setIndex(index_ - 1);
+}
+
+void UndoStack::redo() {
+  if (!canRedo()) return;
+  commands_[index_]->redo();
+  setIndex(index_ + 1);
+}
+
+void UndoStack::clear() {
+  bool was_clean = isClean();
+  commands_.clear();
+  index_ = clean_index_ = 0;
+  if (callbacks_.index_changed) callbacks_.index_changed();
+  if (!was_clean && callbacks_.clean_changed) callbacks_.clean_changed(true);
+}
+
+void UndoStack::setClean() {
+  if (!isClean()) {
+    clean_index_ = index_;
+    if (callbacks_.clean_changed) callbacks_.clean_changed(true);
+  }
+}
+
+void UndoStack::setIndex(int index) {
+  bool was_clean = isClean();
+  index_ = index;
+  if (callbacks_.index_changed) callbacks_.index_changed();
+  if (isClean() != was_clean && callbacks_.clean_changed) callbacks_.clean_changed(isClean());
+}
+
+UndoStack *UndoStack::instance() {
+  static UndoStack undo_stack;
+  return &undo_stack;
+}
+
+QtUndoNotifier::QtUndoNotifier(QObject *parent) : QObject(parent) {
+  UndoStack::instance()->setCallbacks({
+    .index_changed = [this]() { emit indexChanged(); },
+    .clean_changed = [this](bool clean) { emit cleanChanged(clean); },
+  });
+}
+
+QtUndoNotifier *undoNotifier() {
+  static QtUndoNotifier notifier;
+  return &notifier;
+}
+
 // EditMsgCommand
 
-EditMsgCommand::EditMsgCommand(const MessageId &id, const QString &name, int size,
-                               const QString &node, const QString &comment, QUndoCommand *parent)
-    : id(id), new_name(name), new_size(size), new_node(node), new_comment(comment), QUndoCommand(parent) {
+EditMsgCommand::EditMsgCommand(const MessageId &id, const std::string &name, int size,
+                               const std::string &node, const std::string &comment)
+    : id(id), new_name(name), new_size(size), new_node(node), new_comment(comment) {
   if (auto msg = dbc()->msg(id)) {
     old_name = msg->name;
     old_size = msg->size;
     old_node = msg->transmitter;
     old_comment = msg->comment;
-    setText(QObject::tr("edit message %1:%2").arg(name).arg(id.address));
+    text = "edit message " + name + ":" + std::to_string(id.address);
   } else {
-    setText(QObject::tr("new message %1:%2").arg(name).arg(id.address));
+    text = "new message " + name + ":" + std::to_string(id.address);
   }
 }
 
 void EditMsgCommand::undo() {
-  if (old_name.isEmpty())
+  if (old_name.empty())
     dbc()->removeMsg(id);
   else
     dbc()->updateMsg(id, old_name, old_size, old_node, old_comment);
@@ -31,15 +92,15 @@ void EditMsgCommand::redo() {
 
 // RemoveMsgCommand
 
-RemoveMsgCommand::RemoveMsgCommand(const MessageId &id, QUndoCommand *parent) : id(id), QUndoCommand(parent) {
+RemoveMsgCommand::RemoveMsgCommand(const MessageId &id) : id(id) {
   if (auto msg = dbc()->msg(id)) {
     message = *msg;
-    setText(QObject::tr("remove message %1:%2").arg(message.name).arg(id.address));
+    text = "remove message " + message.name + ":" + std::to_string(id.address);
   }
 }
 
 void RemoveMsgCommand::undo() {
-  if (!message.name.isEmpty()) {
+  if (!message.name.empty()) {
     dbc()->updateMsg(id, message.name, message.size, message.transmitter, message.comment);
     for (auto s : message.getSignals())
       dbc()->addSignal(id, *s);
@@ -47,15 +108,15 @@ void RemoveMsgCommand::undo() {
 }
 
 void RemoveMsgCommand::redo() {
-  if (!message.name.isEmpty())
+  if (!message.name.empty())
     dbc()->removeMsg(id);
 }
 
 // AddSigCommand
 
-AddSigCommand::AddSigCommand(const MessageId &id, const cabana::Signal &sig, QUndoCommand *parent)
-    : id(id), signal(sig), QUndoCommand(parent) {
-  setText(QObject::tr("add signal %1 to %2:%3").arg(sig.name).arg(msgName(id)).arg(id.address));
+AddSigCommand::AddSigCommand(const MessageId &id, const cabana::Signal &sig)
+    : id(id), signal(sig) {
+  text = "add signal " + sig.name + " to " + msgName(id) + ":" + std::to_string(id.address);
 }
 
 void AddSigCommand::undo() {
@@ -75,8 +136,7 @@ void AddSigCommand::redo() {
 
 // RemoveSigCommand
 
-RemoveSigCommand::RemoveSigCommand(const MessageId &id, const cabana::Signal *sig, QUndoCommand *parent)
-    : id(id), QUndoCommand(parent) {
+RemoveSigCommand::RemoveSigCommand(const MessageId &id, const cabana::Signal *sig) : id(id) {
   sigs.push_back(*sig);
   if (sig->type == cabana::Signal::Type::Multiplexor) {
     for (const auto &s : dbc()->msg(id)->sigs) {
@@ -85,7 +145,7 @@ RemoveSigCommand::RemoveSigCommand(const MessageId &id, const cabana::Signal *si
       }
     }
   }
-  setText(QObject::tr("remove signal %1 from %2:%3").arg(sig->name).arg(msgName(id)).arg(id.address));
+  text = "remove signal " + sig->name + " from " + msgName(id) + ":" + std::to_string(id.address);
 }
 
 void RemoveSigCommand::undo() { for (const auto &s : sigs) dbc()->addSignal(id, s); }
@@ -93,8 +153,8 @@ void RemoveSigCommand::redo() { for (const auto &s : sigs) dbc()->removeSignal(i
 
 // EditSignalCommand
 
-EditSignalCommand::EditSignalCommand(const MessageId &id, const cabana::Signal *sig, const cabana::Signal &new_sig, QUndoCommand *parent)
-    : id(id), QUndoCommand(parent) {
+EditSignalCommand::EditSignalCommand(const MessageId &id, const cabana::Signal *sig, const cabana::Signal &new_sig)
+    : id(id) {
   sigs.push_back({*sig, new_sig});
   if (sig->type == cabana::Signal::Type::Multiplexor && new_sig.type == cabana::Signal::Type::Normal) {
     // convert all multiplexed signals to normal signals
@@ -108,17 +168,8 @@ EditSignalCommand::EditSignalCommand(const MessageId &id, const cabana::Signal *
       }
     }
   }
-  setText(QObject::tr("edit signal %1 in %2:%3").arg(sig->name).arg(msgName(id)).arg(id.address));
+  text = "edit signal " + sig->name + " in " + msgName(id) + ":" + std::to_string(id.address);
 }
 
 void EditSignalCommand::undo() { for (const auto &s : sigs) dbc()->updateSignal(id, s.second.name, s.first); }
 void EditSignalCommand::redo() { for (const auto &s : sigs) dbc()->updateSignal(id, s.first.name, s.second); }
-
-namespace UndoStack {
-
-QUndoStack *instance() {
-  static QUndoStack *undo_stack = new QUndoStack(qApp);
-  return undo_stack;
-}
-
-}  // namespace UndoStack