Shamusworld >> Repos - architektonas/blob - src/base/rs_layerlist.h

   1 #ifndef RS_LAYERLIST_H
   2 #define RS_LAYERLIST_H
   3
   4 #include <iostream>
   5 #include <QtCore>
   6
   7 class RS_Layer;
   8 class RS_LayerListListener;
   9
  10 /**
  11  * A list of layers.
  12  *
  13  * @author Andrew Mustun
  14  */
  15 class RS_LayerList
  16 {
  17         public:
  18                 RS_LayerList();
  19                 virtual ~RS_LayerList();
  20
  21                 void clear();
  22                 uint count() const;
  23                 RS_Layer * at(uint i);
  24                 void activate(const QString & name, bool notify = false);
  25                 void activate(RS_Layer * layer, bool notify = false);
  26                 RS_Layer * getActive();
  27                 virtual void add(RS_Layer * layer);
  28                 virtual void remove(RS_Layer * layer);
  29                 virtual void edit(RS_Layer * layer, const RS_Layer & source);
  30                 RS_Layer * find(const QString & name);
  31                 int getIndex(const QString & name);
  32                 int getIndex(RS_Layer * layer);
  33                 void toggle(const QString & name);
  34                 void toggle(RS_Layer * layer);
  35                 void toggleLock(RS_Layer * layer);
  36                 void freezeAll(bool freeze);
  37                 void addListener(RS_LayerListListener * listener);
  38                 void removeListener(RS_LayerListListener * listener);
  39                 void setModified(bool m);
  40                 virtual bool isModified() const;
  41
  42                 friend std::ostream & operator<<(std::ostream & os, RS_LayerList & l);
  43
  44         private:
  45                 //! layers in the graphic
  46 //              Q3PtrList<RS_Layer> layers;
  47                 QList<RS_Layer *> layers;
  48                 //! List of registered LayerListListeners
  49 //              Q3PtrList<RS_LayerListListener> layerListListeners;
  50                 QList<RS_LayerListListener *> layerListListeners;
  51                 //! Currently active layer
  52                 RS_Layer * activeLayer;
  53                 /** Flag set if the layer list was modified and not yet saved. */
  54                 bool modified;
  55 };
  56
  57 #endif