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

   1 #ifndef RS_ACTIONINTERFACE_H
   2 #define RS_ACTIONINTERFACE_H
   3
   4 #include <QtCore>
   5
   6 #include "rs_entitycontainer.h"
   7 #include "rs_commandevent.h"
   8 //#include "rs_event.h"
   9 #include "rs_graphic.h"
  10 #include "rs_graphicview.h"
  11 #include "rs_snapper.h"
  12 #include "rs_preview.h"
  13 #include "rs_dialogfactory.h"
  14
  15 #ifndef RS_NO_QCADCMD
  16 #include "commands.h"
  17 #endif
  18
  19 //template<class T> T* instantiate(RS_EntityContainer& container, RS_GraphicView& graphicView) {
  20 //      return new T(container, graphicView);
  21         //void (*function)() = T::instantiate;
  22         //return (*function)();
  23 //}
  24
  25 /**
  26  * This is the interface that must be implemented for all
  27  * action classes. Action classes handle actions such
  28  * as drawing lines, moving entities or zooming in.
  29  *
  30  * Inherited from QObject for Qt translation features.
  31  *
  32  * @author Andrew Mustun
  33  */
  34 class RS_ActionInterface: public QObject, public RS_Snapper
  35 {
  36 //huh? no slots/signals here...    Q_OBJECT
  37
  38         public:
  39                 RS_ActionInterface(const char * name, RS_EntityContainer & container,
  40                         RS_GraphicView & graphicView);
  41                 virtual ~RS_ActionInterface();
  42
  43                 virtual RS2::ActionType rtti();
  44
  45                 QString getName();
  46
  47                 virtual void init(int status = 0);
  48                 virtual void mouseMoveEvent(QMouseEvent *);
  49                 virtual void mousePressEvent(QMouseEvent *);
  50
  51                 virtual void mouseReleaseEvent(QMouseEvent *);
  52                 virtual void keyPressEvent(QKeyEvent * e);
  53                 virtual void keyReleaseEvent(QKeyEvent * e);
  54                 virtual void coordinateEvent(RS_CoordinateEvent *);
  55                 virtual void commandEvent(RS_CommandEvent *);
  56                 virtual QStringList getAvailableCommands();
  57                 virtual void setStatus(int status);
  58                 virtual int getStatus();
  59                 virtual void trigger();
  60                 virtual void updateMouseButtonHints();
  61                 virtual void updateMouseCursor();
  62                 virtual void updateToolBar();
  63                 virtual bool isFinished();
  64                 virtual void setFinished();
  65                 virtual void finish();
  66                 virtual void setPredecessor(RS_ActionInterface * pre);
  67                 virtual void suspend();
  68                 virtual void resume();
  69                 virtual void hideOptions();
  70                 virtual void showOptions();
  71                 bool checkCommand(const QString & cmd, const QString & str,
  72                         RS2::ActionType action = RS2::ActionNone);
  73                 QString command(const QString & cmd);
  74                 QString msgAvailableCommands();
  75
  76         private:
  77                 /**
  78                 * Current status of the action. After an action has
  79                 * been created the action status is set to 0. Actions
  80                 * that are terminated have a status of -1. Other status
  81                 * numbers can be used to describe the stage this action
  82                 * is in. E.g. a window zoom consists of selecting the
  83                 * first corner (status 0), and selecting the second
  84                 * corner (status 1).
  85                 */
  86                 int status;
  87
  88         protected:
  89                 /** Action name. Used internally for debugging */
  90                 QString name;
  91
  92                 /**
  93                 * This flag is set when the action has terminated and
  94                 * can be deleted.
  95                 */
  96                 bool finished;
  97
  98                 /**
  99                 * Pointer to the graphic is this container is a graphic.
 100                 * NULL otherwise
 101                 */
 102                 RS_Graphic * graphic;
 103
 104                 /**
 105                 * Pointer to the document (graphic or block) or NULL.
 106                 */
 107                 RS_Document * document;
 108
 109                 /**
 110                 * Pointer to the default mouse cursor for this action or NULL.
 111                 */
 112                 //RS2::CursorType cursor;
 113
 114                 /**
 115                 * Predecessor of this action or NULL.
 116                 */
 117                 RS_ActionInterface * predecessor;
 118
 119                 /**
 120                 * String prepended to the help text for currently available commands.
 121                 */
 122                 //static QString msgAvailableCommands;
 123
 124                 /**
 125                 * Command used for showing help for every action.
 126                 */
 127                 //static QString cmdHelp;
 128
 129                 /**
 130                 * Command for answering yes to a question.
 131                 */
 132                 //static QString cmdYes;
 133                 //static QString cmdYes2;
 134
 135                 /**
 136                 * Command for answering no to a question.
 137                 */
 138                 //static QString cmdNo;
 139                 //static QString cmdNo2;
 140 };
 141
 142 #endif