implemented undos for effect fields that aren't keyframed

project/undo.cpp

@@ -1302,3 +1302,19 @@ void KeyframeSet::redo() {
 	project_changed = true;
 	done = true;
 }
+
+EffectFieldUndo::EffectFieldUndo(EffectField* f) : field(f), done(true) {
+	old_val = field->get_previous_data();
+	new_val = field->get_current_data();
+}
+
+void EffectFieldUndo::undo() {
+	field->set_current_data(old_val);
+	done = false;
+}
+
+void EffectFieldUndo::redo() {
+	if (!done) {
+		field->set_current_data(new_val);
+	}
+}

project/undo.h

@@ -7,6 +7,7 @@ class LabelSlider;
 class Effect;
 class SourceTable;
 class EffectRow;
+class EffectField;
 class Transition;
 struct Clip;
 struct Sequence;
@@ -15,6 +16,7 @@ struct Media;
 #include <QUndoStack>
 #include <QUndoCommand>
 #include <QVector>
+#include <QVariant>
 
 #define TA_NO_TRANSITION 0
 #define TA_OPENING_TRANSITION 1
@@ -427,4 +429,16 @@ private:
 	bool done;
 };
 
+class EffectFieldUndo : public QUndoCommand {
+public:
+	EffectFieldUndo(EffectField* field);
+	void undo();
+	void redo();
+private:
+	EffectField* field;
+	QVariant old_val;
+	QVariant new_val;
+	bool done;
+};
+
 #endif // UNDO_H