comparison base/PropertyContainer.h @ 46:5364a9d338a2

* Add Insert Instant function in main window
* Ensure selections and window geometry are saved in session file
* Add wait cursor on session file save
* Various improvements to display of texts in pane (clearer readability)
* Use commands for setting properties on layers and panes
  (still need to batch up multiple sets on the same property)
* Fix failure of spectrogram to refresh when initial part became visible
* Some fixes & paint optimisations in View &c
* Make curve mode for time value layers work properly when resolution == 1
* Some vague improvements for time value layer vertical scale

     This is experimental software.  Not for distribution.
 */
 
 #ifndef _PROPERTY_CONTAINER_H_
 #define _PROPERTY_CONTAINER_H_
+
+#include "Command.h"
 
 #include <QString>
 #include <QObject>
 #include <vector>
 

      * Set a property.  This is used for all property types.  For
      * boolean properties, zero is false and non-zero true; for
      * colours, the integer value should be treated as a qRgb.
      */
     virtual void setProperty(const PropertyName &, int value);
+
+    /**
+     * Set a property using a command, supporting undo and redo.
+     */
+    virtual void setPropertyWithCommand(const PropertyName &, int value);
+
+protected:
+
+    class SetPropertyCommand : public Command
+    {
+    public:
+	SetPropertyCommand(PropertyContainer *pc, const PropertyName &pn, int);
+	virtual ~SetPropertyCommand() { }
+
+	virtual void execute();
+	virtual void unexecute();
+	virtual QString getName() const;
+
+    protected:
+	PropertyContainer *m_pc;
+	PropertyName m_pn;
+	int m_value;
+	int m_oldValue;
+    };
 };
 
 #endif