ocinput.h

Go to the documentation of this file.

#ifndef ocinput_h
#define ocinput_h
 
#include <InterViews/input.h>
#include <InterViews/event.h>
#include <InterViews/handler.h>
 
class HandlerList;
 
public
StandardInputHandler: public InputHandler {
  public:
    StandardInputHandler(Glyph*, Style*);
    virtual ~StandardInputHandler();
 
    virtual void bind_select(Handler * h) {
        bind_press(Event::left, h);
    }
    virtual void bind_adjust(Handler * h) {
        bind_press(Event::middle, h);
    }
    virtual void bind_menu(Handler * h) {
        bind_press(Event::right, h);
    }
 
    virtual void move(const Event& e) {
        mouse(0, e);
    }
    virtual void press(const Event& e) {
        mouse(1, e);
    }
    virtual void drag(const Event& e) {
        mouse(2, e);
    }
    virtual void release(const Event& e) {
        mouse(3, e);
    }
    void mouse(int, const Event&);
 
    void bind_move(EventButton eb, Handler * h) {
        bind(0, eb, h);
    }
    void bind_press(EventButton eb, Handler * h) {
        bind(0, eb, h);
    }
    void bind_drag(EventButton eb, Handler * h) {
        bind(0, eb, h);
    }
    void bind_release(EventButton eb, Handler * h) {
        bind(0, eb, h);
    }
    void bind(int, EventButton eb, Handler* h) {
        bind(0, eb, h);
    }
    void remove_all(EventButton);
 
  private:
    HandlerList* handlers_[4];
};
 
    /*
     * Handler denoted by an object and member function to call on the object.
     * Used the FieldEditorAction as a template
     */
 
#if defined(__STDC__) || defined(__ANSI_CPP__) || defined(WIN32)
#define __HandlerCallback(T)       T##_HandlerCallback
#define HandlerCallback(T)         __HandlerCallback(T)
#define __HandlerMemberFunction(T) T##_HandlerMemberFunction
#define HandlerMemberFunction(T)   __HandlerMemberFunction(T)
#else
#define __HandlerCallback(T)       T /**/ _HandlerCallback
#define HandlerCallback(T)         __HandlerCallback(T)
#define __HandlerMemberFunction(T) T /**/ _HandlerMemberFunction
#define HandlerMemberFunction(T)   __HandlerMemberFunction(T)
#endif
 
#define declareHandlerCallback(T)                         \
    typedef void (T::*HandlerMemberFunction(T))(Event&);  \
    class HandlerCallback(T)                              \
        : public Handler {                                \
      public:                                             \
        HandlerCallback(T)(T*, HandlerMemberFunction(T)); \
        virtual ~HandlerCallback(T)();                    \
                                                          \
        virtual void event(Event&);                       \
                                                          \
      private:                                            \
        T* obj_;                                          \
        HandlerMemberFunction(T) func_;                   \
    };
 
#define implementHandlerCallback(T)                                                  \
    HandlerCallback(T)::HandlerCallback(T)(T * obj, HandlerMemberFunction(T) func) { \
        obj_ = obj;                                                                  \
        func_ = func;                                                                \
    }                                                                                \
                                                                                     \
    HandlerCallback(T)::~HandlerCallback(T)() {}                                     \
                                                                                     \
    void HandlerCallback(T)::event(Event& e) {                                       \
        (obj_->*func_)(e);                                                           \
    }
 
#endif